diff options
| author | dan sinclair <dsinclair@chromium.org> | 2016-03-23 19:21:44 -0400 |
|---|---|---|
| committer | dan sinclair <dsinclair@chromium.org> | 2016-03-23 19:21:44 -0400 |
| commit | 61b2fc718910a5ab2a75ec5026b239ff33bccfdc (patch) | |
| tree | 4031f4cea10dac3d77969035e66fc17235cb1d3d /core/fpdfapi | |
| parent | 46a8a2041868c5df6883647226dab1482e2bf4c2 (diff) | |
| download | pdfium-61b2fc718910a5ab2a75ec5026b239ff33bccfdc.tar.xz | |
Split core/include/fpdfapi/fpdf_resource.h
This CL splits apart the core/include/fpdfapi/fpdf_resource.h file and places
the classes into individual files.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1824033002 .
Diffstat (limited to 'core/fpdfapi')
67 files changed, 5597 insertions, 4364 deletions
diff --git a/core/fpdfapi/fpdf_cmaps/CNS1/cmaps_cns1.cpp b/core/fpdfapi/fpdf_cmaps/CNS1/cmaps_cns1.cpp index 086a78637a..b6a9132b5d 100644 --- a/core/fpdfapi/fpdf_cmaps/CNS1/cmaps_cns1.cpp +++ b/core/fpdfapi/fpdf_cmaps/CNS1/cmaps_cns1.cpp @@ -9,8 +9,7 @@ #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" #include "core/fpdfapi/fpdf_font/font_int.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" -#include "core/fxcrt/include/fx_basic.h" // For FX_ArraySize(). -#include "core/include/fpdfapi/fpdf_resource.h" +#include "core/fxcrt/include/fx_basic.h" static const FXCMAP_CMap g_FXCMAP_CNS1_cmaps[] = { {"B5pc-H", FXCMAP_CMap::Range, g_FXCMAP_B5pc_H_0, 247, FXCMAP_CMap::None, diff --git a/core/fpdfapi/fpdf_cmaps/GB1/cmaps_gb1.cpp b/core/fpdfapi/fpdf_cmaps/GB1/cmaps_gb1.cpp index 95d231563e..702bf06c75 100644 --- a/core/fpdfapi/fpdf_cmaps/GB1/cmaps_gb1.cpp +++ b/core/fpdfapi/fpdf_cmaps/GB1/cmaps_gb1.cpp @@ -9,8 +9,7 @@ #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" #include "core/fpdfapi/fpdf_font/font_int.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" -#include "core/fxcrt/include/fx_basic.h" // For FX_ArraySize(). -#include "core/include/fpdfapi/fpdf_resource.h" +#include "core/fxcrt/include/fx_basic.h" static const FXCMAP_CMap g_FXCMAP_GB1_cmaps[] = { {"GB-EUC-H", FXCMAP_CMap::Range, g_FXCMAP_GB_EUC_H_0, 90, FXCMAP_CMap::None, diff --git a/core/fpdfapi/fpdf_cmaps/Japan1/cmaps_japan1.cpp b/core/fpdfapi/fpdf_cmaps/Japan1/cmaps_japan1.cpp index 8c43d41311..43f7e0ee2b 100644 --- a/core/fpdfapi/fpdf_cmaps/Japan1/cmaps_japan1.cpp +++ b/core/fpdfapi/fpdf_cmaps/Japan1/cmaps_japan1.cpp @@ -9,8 +9,7 @@ #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" #include "core/fpdfapi/fpdf_font/font_int.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" -#include "core/fxcrt/include/fx_basic.h" // For FX_ArraySize(). -#include "core/include/fpdfapi/fpdf_resource.h" +#include "core/fxcrt/include/fx_basic.h" static const FXCMAP_CMap g_FXCMAP_Japan1_cmaps[] = { {"83pv-RKSJ-H", FXCMAP_CMap::Range, g_FXCMAP_83pv_RKSJ_H_1, 222, diff --git a/core/fpdfapi/fpdf_cmaps/Korea1/cmaps_korea1.cpp b/core/fpdfapi/fpdf_cmaps/Korea1/cmaps_korea1.cpp index 0001aaaf8d..77f65dfe3c 100644 --- a/core/fpdfapi/fpdf_cmaps/Korea1/cmaps_korea1.cpp +++ b/core/fpdfapi/fpdf_cmaps/Korea1/cmaps_korea1.cpp @@ -9,8 +9,7 @@ #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" #include "core/fpdfapi/fpdf_font/font_int.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" -#include "core/fxcrt/include/fx_basic.h" // For FX_ArraySize(). -#include "core/include/fpdfapi/fpdf_resource.h" +#include "core/fxcrt/include/fx_basic.h" static const FXCMAP_CMap g_FXCMAP_Korea1_cmaps[] = { {"KSC-EUC-H", FXCMAP_CMap::Range, g_FXCMAP_KSC_EUC_H_0, 467, diff --git a/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp b/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp index 73ac8e1f6a..4e0737dbc2 100644 --- a/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp +++ b/core/fpdfapi/fpdf_cmaps/fpdf_cmaps.cpp @@ -8,7 +8,6 @@ #include "core/fpdfapi/fpdf_font/font_int.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" -#include "core/include/fpdfapi/fpdf_resource.h" void FPDFAPI_FindEmbeddedCMap(const char* name, int charset, diff --git a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp index 20211f27f7..0ab34eab3c 100644 --- a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp +++ b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp @@ -7,6 +7,7 @@ #include "core/fpdfapi/fpdf_edit/include/cpdf_pagecontentgenerator.h" #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" @@ -14,6 +15,8 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) { diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp index 874b205c84..7688bb08ce 100644 --- a/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp +++ b/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp @@ -6,6 +6,8 @@ #include <limits.h> +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h" #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp new file mode 100644 index 0000000000..d528017779 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.cpp @@ -0,0 +1,908 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/cpdf_cidfont.h" + +#include "core/fpdfapi/fpdf_cmaps/cmap_int.h" +#include "core/fpdfapi/fpdf_font/font_int.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h" +#include "core/fpdfapi/fpdf_font/ttgsubtable.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" +#include "core/fpdfapi/include/cpdf_modulemgr.h" + +namespace { + +const uint16_t g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200}; + +const struct CIDTransform { + uint16_t CID; + uint8_t a; + uint8_t b; + uint8_t c; + uint8_t d; + uint8_t e; + uint8_t f; +} g_Japan1_VertCIDs[] = { + {97, 129, 0, 0, 127, 55, 0}, {7887, 127, 0, 0, 127, 76, 89}, + {7888, 127, 0, 0, 127, 79, 94}, {7889, 0, 129, 127, 0, 17, 127}, + {7890, 0, 129, 127, 0, 17, 127}, {7891, 0, 129, 127, 0, 17, 127}, + {7892, 0, 129, 127, 0, 17, 127}, {7893, 0, 129, 127, 0, 17, 127}, + {7894, 0, 129, 127, 0, 17, 127}, {7895, 0, 129, 127, 0, 17, 127}, + {7896, 0, 129, 127, 0, 17, 127}, {7897, 0, 129, 127, 0, 17, 127}, + {7898, 0, 129, 127, 0, 17, 127}, {7899, 0, 129, 127, 0, 17, 104}, + {7900, 0, 129, 127, 0, 17, 127}, {7901, 0, 129, 127, 0, 17, 104}, + {7902, 0, 129, 127, 0, 17, 127}, {7903, 0, 129, 127, 0, 17, 127}, + {7904, 0, 129, 127, 0, 17, 127}, {7905, 0, 129, 127, 0, 17, 114}, + {7906, 0, 129, 127, 0, 17, 127}, {7907, 0, 129, 127, 0, 17, 127}, + {7908, 0, 129, 127, 0, 17, 127}, {7909, 0, 129, 127, 0, 17, 127}, + {7910, 0, 129, 127, 0, 17, 127}, {7911, 0, 129, 127, 0, 17, 127}, + {7912, 0, 129, 127, 0, 17, 127}, {7913, 0, 129, 127, 0, 17, 127}, + {7914, 0, 129, 127, 0, 17, 127}, {7915, 0, 129, 127, 0, 17, 114}, + {7916, 0, 129, 127, 0, 17, 127}, {7917, 0, 129, 127, 0, 17, 127}, + {7918, 127, 0, 0, 127, 18, 25}, {7919, 127, 0, 0, 127, 18, 25}, + {7920, 127, 0, 0, 127, 18, 25}, {7921, 127, 0, 0, 127, 18, 25}, + {7922, 127, 0, 0, 127, 18, 25}, {7923, 127, 0, 0, 127, 18, 25}, + {7924, 127, 0, 0, 127, 18, 25}, {7925, 127, 0, 0, 127, 18, 25}, + {7926, 127, 0, 0, 127, 18, 25}, {7927, 127, 0, 0, 127, 18, 25}, + {7928, 127, 0, 0, 127, 18, 25}, {7929, 127, 0, 0, 127, 18, 25}, + {7930, 127, 0, 0, 127, 18, 25}, {7931, 127, 0, 0, 127, 18, 25}, + {7932, 127, 0, 0, 127, 18, 25}, {7933, 127, 0, 0, 127, 18, 25}, + {7934, 127, 0, 0, 127, 18, 25}, {7935, 127, 0, 0, 127, 18, 25}, + {7936, 127, 0, 0, 127, 18, 25}, {7937, 127, 0, 0, 127, 18, 25}, + {7938, 127, 0, 0, 127, 18, 25}, {7939, 127, 0, 0, 127, 18, 25}, + {8720, 0, 129, 127, 0, 19, 102}, {8721, 0, 129, 127, 0, 13, 127}, + {8722, 0, 129, 127, 0, 19, 108}, {8723, 0, 129, 127, 0, 19, 102}, + {8724, 0, 129, 127, 0, 19, 102}, {8725, 0, 129, 127, 0, 19, 102}, + {8726, 0, 129, 127, 0, 19, 102}, {8727, 0, 129, 127, 0, 19, 102}, + {8728, 0, 129, 127, 0, 19, 114}, {8729, 0, 129, 127, 0, 19, 114}, + {8730, 0, 129, 127, 0, 38, 108}, {8731, 0, 129, 127, 0, 13, 108}, + {8732, 0, 129, 127, 0, 19, 108}, {8733, 0, 129, 127, 0, 19, 108}, + {8734, 0, 129, 127, 0, 19, 108}, {8735, 0, 129, 127, 0, 19, 108}, + {8736, 0, 129, 127, 0, 19, 102}, {8737, 0, 129, 127, 0, 19, 102}, + {8738, 0, 129, 127, 0, 19, 102}, {8739, 0, 129, 127, 0, 19, 102}, + {8740, 0, 129, 127, 0, 19, 102}, {8741, 0, 129, 127, 0, 19, 102}, + {8742, 0, 129, 127, 0, 19, 102}, {8743, 0, 129, 127, 0, 19, 102}, + {8744, 0, 129, 127, 0, 19, 102}, {8745, 0, 129, 127, 0, 19, 102}, + {8746, 0, 129, 127, 0, 19, 114}, {8747, 0, 129, 127, 0, 19, 114}, + {8748, 0, 129, 127, 0, 19, 102}, {8749, 0, 129, 127, 0, 19, 102}, + {8750, 0, 129, 127, 0, 19, 102}, {8751, 0, 129, 127, 0, 19, 102}, + {8752, 0, 129, 127, 0, 19, 102}, {8753, 0, 129, 127, 0, 19, 102}, + {8754, 0, 129, 127, 0, 19, 102}, {8755, 0, 129, 127, 0, 19, 102}, + {8756, 0, 129, 127, 0, 19, 102}, {8757, 0, 129, 127, 0, 19, 102}, + {8758, 0, 129, 127, 0, 19, 102}, {8759, 0, 129, 127, 0, 19, 102}, + {8760, 0, 129, 127, 0, 19, 102}, {8761, 0, 129, 127, 0, 19, 102}, + {8762, 0, 129, 127, 0, 19, 102}, {8763, 0, 129, 127, 0, 19, 102}, + {8764, 0, 129, 127, 0, 19, 102}, {8765, 0, 129, 127, 0, 19, 102}, + {8766, 0, 129, 127, 0, 19, 102}, {8767, 0, 129, 127, 0, 19, 102}, + {8768, 0, 129, 127, 0, 19, 102}, {8769, 0, 129, 127, 0, 19, 102}, + {8770, 0, 129, 127, 0, 19, 102}, {8771, 0, 129, 127, 0, 19, 102}, + {8772, 0, 129, 127, 0, 19, 102}, {8773, 0, 129, 127, 0, 19, 102}, + {8774, 0, 129, 127, 0, 19, 102}, {8775, 0, 129, 127, 0, 19, 102}, + {8776, 0, 129, 127, 0, 19, 102}, {8777, 0, 129, 127, 0, 19, 102}, + {8778, 0, 129, 127, 0, 19, 102}, {8779, 0, 129, 127, 0, 19, 114}, + {8780, 0, 129, 127, 0, 19, 108}, {8781, 0, 129, 127, 0, 19, 114}, + {8782, 0, 129, 127, 0, 13, 114}, {8783, 0, 129, 127, 0, 19, 108}, + {8784, 0, 129, 127, 0, 13, 114}, {8785, 0, 129, 127, 0, 19, 108}, + {8786, 0, 129, 127, 0, 19, 108}, {8787, 0, 129, 127, 0, 19, 108}, + {8788, 0, 129, 127, 0, 19, 108}, {8789, 0, 129, 127, 0, 19, 108}, + {8790, 0, 129, 127, 0, 19, 108}, {8791, 0, 129, 127, 0, 19, 108}, + {8792, 0, 129, 127, 0, 19, 108}, {8793, 0, 129, 127, 0, 19, 108}, + {8794, 0, 129, 127, 0, 19, 108}, {8795, 0, 129, 127, 0, 19, 108}, + {8796, 0, 129, 127, 0, 19, 108}, {8797, 0, 129, 127, 0, 19, 108}, + {8798, 0, 129, 127, 0, 19, 108}, {8799, 0, 129, 127, 0, 19, 108}, + {8800, 0, 129, 127, 0, 19, 108}, {8801, 0, 129, 127, 0, 19, 108}, + {8802, 0, 129, 127, 0, 19, 108}, {8803, 0, 129, 127, 0, 19, 108}, + {8804, 0, 129, 127, 0, 19, 108}, {8805, 0, 129, 127, 0, 19, 108}, + {8806, 0, 129, 127, 0, 19, 108}, {8807, 0, 129, 127, 0, 19, 108}, + {8808, 0, 129, 127, 0, 19, 108}, {8809, 0, 129, 127, 0, 19, 108}, + {8810, 0, 129, 127, 0, 19, 108}, {8811, 0, 129, 127, 0, 19, 114}, + {8812, 0, 129, 127, 0, 19, 102}, {8813, 0, 129, 127, 0, 19, 114}, + {8814, 0, 129, 127, 0, 76, 102}, {8815, 0, 129, 127, 0, 13, 121}, + {8816, 0, 129, 127, 0, 19, 114}, {8817, 0, 129, 127, 0, 19, 127}, + {8818, 0, 129, 127, 0, 19, 114}, {8819, 0, 129, 127, 0, 218, 108}, +}; + +#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ + +bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) { + switch (charset) { + case CIDSET_GB1: + case CIDSET_CNS1: + case CIDSET_JAPAN1: + case CIDSET_KOREA1: + return true; + + default: + return false; + } +} + +FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, + CIDSet charset, + FX_DWORD charcode) { + if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) + return 0; + + uint16_t cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode); + if (cid == 0) + return 0; + + CPDF_FontGlobals* pFontGlobals = + CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); + const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; + if (!pCodes) + return 0; + + if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) + return pCodes[cid]; + return 0; +} + +FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, + CIDSet charset, + FX_WCHAR unicode) { + if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) + return 0; + + CPDF_FontGlobals* pFontGlobals = + CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); + const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; + if (!pCodes) + return 0; + + int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; + for (int i = 0; i < nCodes; ++i) { + if (pCodes[i] == unicode) { + FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i); + if (CharCode != 0) { + return CharCode; + } + } + } + return 0; +} + +#endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ + +void FT_UseCIDCharmap(FXFT_Face face, int coding) { + int encoding; + switch (coding) { + case CIDCODING_GB: + encoding = FXFT_ENCODING_GB2312; + break; + case CIDCODING_BIG5: + encoding = FXFT_ENCODING_BIG5; + break; + case CIDCODING_JIS: + encoding = FXFT_ENCODING_SJIS; + break; + case CIDCODING_KOREA: + encoding = FXFT_ENCODING_JOHAB; + break; + default: + encoding = FXFT_ENCODING_UNICODE; + } + int err = FXFT_Select_Charmap(face, encoding); + if (err) { + err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); + } + if (err && FXFT_Get_Face_Charmaps(face)) { + FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face)); + } +} + +int CompareCIDTransform(const void* key, const void* element) { + uint16_t CID = *static_cast<const uint16_t*>(key); + return CID - static_cast<const struct CIDTransform*>(element)->CID; +} + +} // namespace + +CPDF_CIDFont::CPDF_CIDFont() + : m_pCMap(nullptr), + m_pAllocatedCMap(nullptr), + m_pCID2UnicodeMap(nullptr), + m_pCIDToGIDMap(nullptr), + m_bCIDIsGID(FALSE), + m_pAnsiWidths(nullptr), + m_bAdobeCourierStd(FALSE), + m_pTTGSUBTable(nullptr) {} + +CPDF_CIDFont::~CPDF_CIDFont() { + if (m_pAnsiWidths) { + FX_Free(m_pAnsiWidths); + } + delete m_pAllocatedCMap; + delete m_pCIDToGIDMap; + delete m_pTTGSUBTable; +} + +bool CPDF_CIDFont::IsCIDFont() const { + return true; +} + +const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const { + return this; +} + +CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() { + return this; +} + +uint16_t CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const { + if (!m_pCMap) { + return (uint16_t)charcode; + } + return m_pCMap->CIDFromCharCode(charcode); +} + +FX_BOOL CPDF_CIDFont::IsVertWriting() const { + return m_pCMap ? m_pCMap->IsVertWriting() : FALSE; +} + +CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(FX_DWORD charcode) const { + CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode); + if (!str.IsEmpty()) + return str; + FX_WCHAR ret = GetUnicodeFromCharCode(charcode); + if (ret == 0) + return CFX_WideString(); + return ret; +} + +FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(FX_DWORD charcode) const { + switch (m_pCMap->m_Coding) { + case CIDCODING_UCS2: + case CIDCODING_UTF16: + return (FX_WCHAR)charcode; + case CIDCODING_CID: + if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { + return 0; + } + return m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)charcode); + } + if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || + !m_pCID2UnicodeMap->IsLoaded()) { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + FX_WCHAR unicode; + int charsize = 1; + if (charcode > 255) { + charcode = (charcode % 256) * 256 + (charcode / 256); + charsize = 2; + } + int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, + (const FX_CHAR*)&charcode, charsize, + &unicode, 1); + if (ret != 1) { + return 0; + } + return unicode; +#else + if (m_pCMap->m_pEmbedMap) { + return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, + m_pCMap->m_Charset, charcode); + } + return 0; +#endif + } + return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode)); +} + +FX_DWORD CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const { + FX_DWORD charcode = CPDF_Font::CharCodeFromUnicode(unicode); + if (charcode) + return charcode; + switch (m_pCMap->m_Coding) { + case CIDCODING_UNKNOWN: + return 0; + case CIDCODING_UCS2: + case CIDCODING_UTF16: + return unicode; + case CIDCODING_CID: { + if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { + return 0; + } + FX_DWORD CID = 0; + while (CID < 65536) { + FX_WCHAR this_unicode = + m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)CID); + if (this_unicode == unicode) { + return CID; + } + CID++; + } + break; + } + } + + if (unicode < 0x80) { + return static_cast<FX_DWORD>(unicode); + } + if (m_pCMap->m_Coding == CIDCODING_CID) { + return 0; + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + uint8_t buffer[32]; + int ret = + FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, + (char*)buffer, 4, NULL, NULL); + if (ret == 1) { + return buffer[0]; + } + if (ret == 2) { + return buffer[0] * 256 + buffer[1]; + } +#else + if (m_pCMap->m_pEmbedMap) { + return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, + unicode); + } +#endif + return 0; +} + +FX_BOOL CPDF_CIDFont::Load() { + if (m_pFontDict->GetStringBy("Subtype") == "TrueType") { + return LoadGB2312(); + } + CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts"); + if (!pFonts) { + return FALSE; + } + if (pFonts->GetCount() != 1) { + return FALSE; + } + CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0); + if (!pCIDFontDict) { + return FALSE; + } + m_BaseFont = pCIDFontDict->GetStringBy("BaseFont"); + if ((m_BaseFont.Compare("CourierStd") == 0 || + m_BaseFont.Compare("CourierStd-Bold") == 0 || + m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || + m_BaseFont.Compare("CourierStd-Oblique") == 0) && + !IsEmbedded()) { + m_bAdobeCourierStd = TRUE; + } + CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor"); + if (pFontDesc) { + LoadFontDescriptor(pFontDesc); + } + CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); + if (!pEncoding) { + return FALSE; + } + CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype"); + m_bType1 = (subtype == "CIDFontType0"); + + if (pEncoding->IsName()) { + CFX_ByteString cmap = pEncoding->GetString(); + m_pCMap = + CPDF_ModuleMgr::Get() + ->GetPageModule() + ->GetFontGlobals() + ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1); + } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { + m_pAllocatedCMap = m_pCMap = new CPDF_CMap; + CPDF_StreamAcc acc; + acc.LoadAllData(pStream, FALSE); + m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); + } else { + return FALSE; + } + if (!m_pCMap) { + return FALSE; + } + m_Charset = m_pCMap->m_Charset; + if (m_Charset == CIDSET_UNKNOWN) { + CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo"); + if (pCIDInfo) { + m_Charset = CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering")); + } + } + if (m_Charset != CIDSET_UNKNOWN) + m_pCID2UnicodeMap = + CPDF_ModuleMgr::Get() + ->GetPageModule() + ->GetFontGlobals() + ->m_CMapManager.GetCID2UnicodeMap( + m_Charset, + !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID || + pCIDFontDict->KeyExist("W"))); + if (m_Font.GetFace()) { + if (m_bType1) { + FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); + } else { + FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding); + } + } + m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000); + CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W"); + if (pWidthArray) { + LoadMetricsArray(pWidthArray, m_WidthList, 1); + } + if (!IsEmbedded()) { + LoadSubstFont(); + } + if (1) { + if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { + CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap"); + if (pmap) { + if (CPDF_Stream* pStream = pmap->AsStream()) { + m_pCIDToGIDMap = new CPDF_StreamAcc; + m_pCIDToGIDMap->LoadAllData(pStream, FALSE); + } else if (pmap->GetString() == "Identity") { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (m_pFontFile) { + m_bCIDIsGID = TRUE; + } +#else + m_bCIDIsGID = TRUE; +#endif + } + } + } + } + CheckFontMetrics(); + if (IsVertWriting()) { + pWidthArray = pCIDFontDict->GetArrayBy("W2"); + if (pWidthArray) { + LoadMetricsArray(pWidthArray, m_VertMetrics, 3); + } + CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2"); + if (pDefaultArray) { + m_DefaultVY = pDefaultArray->GetIntegerAt(0); + m_DefaultW1 = pDefaultArray->GetIntegerAt(1); + } else { + m_DefaultVY = 880; + m_DefaultW1 = -1000; + } + } + return TRUE; +} + +FX_RECT CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, int level) { + if (charcode < 256 && m_CharBBox[charcode].right != FX_SMALL_RECT::kInvalid) + return FX_RECT(m_CharBBox[charcode]); + + FX_RECT rect; + FX_BOOL bVert = FALSE; + int glyph_index = GlyphFromCharCode(charcode, &bVert); + FXFT_Face face = m_Font.GetFace(); + if (face) { + if (FXFT_Is_Face_Tricky(face)) { + int err = FXFT_Load_Glyph(face, glyph_index, + FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); + if (!err) { + FXFT_BBox cbox; + FXFT_Glyph glyph; + err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph); + if (!err) { + FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); + int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; + int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; + if (pixel_size_x == 0 || pixel_size_y == 0) { + rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin); + } else { + rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x, + cbox.yMax * 1000 / pixel_size_y, + cbox.xMax * 1000 / pixel_size_x, + cbox.yMin * 1000 / pixel_size_y); + } + if (rect.top > FXFT_Get_Face_Ascender(face)) { + rect.top = FXFT_Get_Face_Ascender(face); + } + if (rect.bottom < FXFT_Get_Face_Descender(face)) { + rect.bottom = FXFT_Get_Face_Descender(face); + } + FXFT_Done_Glyph(glyph); + } + } + } else { + int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE); + if (err == 0) { + rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), + TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), + TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + + FXFT_Get_Glyph_Width(face), + face), + TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - + FXFT_Get_Glyph_Height(face), + face)); + rect.top += rect.top / 64; + } + } + } + if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) { + uint16_t CID = CIDFromCharCode(charcode); + const uint8_t* pTransform = GetCIDTransform(CID); + if (pTransform && !bVert) { + CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]), + CIDTransformToFloat(pTransform[1]), + CIDTransformToFloat(pTransform[2]), + CIDTransformToFloat(pTransform[3]), + CIDTransformToFloat(pTransform[4]) * 1000, + CIDTransformToFloat(pTransform[5]) * 1000); + CFX_FloatRect rect_f(rect); + rect_f.Transform(&matrix); + rect = rect_f.GetOutterRect(); + } + } + if (charcode < 256) + m_CharBBox[charcode] = rect.ToSmallRect(); + + return rect; +} +int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) { + if (m_pAnsiWidths && charcode < 0x80) { + return m_pAnsiWidths[charcode]; + } + uint16_t cid = CIDFromCharCode(charcode); + int size = m_WidthList.GetSize(); + FX_DWORD* list = m_WidthList.GetData(); + for (int i = 0; i < size; i += 3) { + if (cid >= list[i] && cid <= list[i + 1]) { + return (int)list[i + 2]; + } + } + return m_DefaultWidth; +} +short CPDF_CIDFont::GetVertWidth(uint16_t CID) const { + FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; + if (vertsize == 0) { + return m_DefaultW1; + } + const FX_DWORD* pTable = m_VertMetrics.GetData(); + for (FX_DWORD i = 0; i < vertsize; i++) + if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { + return (short)(int)pTable[i * 5 + 2]; + } + return m_DefaultW1; +} +void CPDF_CIDFont::GetVertOrigin(uint16_t CID, short& vx, short& vy) const { + FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; + if (vertsize) { + const FX_DWORD* pTable = m_VertMetrics.GetData(); + for (FX_DWORD i = 0; i < vertsize; i++) + if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { + vx = (short)(int)pTable[i * 5 + 3]; + vy = (short)(int)pTable[i * 5 + 4]; + return; + } + } + FX_DWORD dwWidth = m_DefaultWidth; + int size = m_WidthList.GetSize(); + const FX_DWORD* list = m_WidthList.GetData(); + for (int i = 0; i < size; i += 3) { + if (CID >= list[i] && CID <= list[i + 1]) { + dwWidth = (uint16_t)list[i + 2]; + break; + } + } + vx = (short)dwWidth / 2; + vy = (short)m_DefaultVY; +} +int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) { + if (pVertGlyph) { + *pVertGlyph = FALSE; + } + FXFT_Face face = m_Font.GetFace(); + int index = FXFT_Get_Char_Index(face, unicode); + if (unicode == 0x2502) { + return index; + } + if (index && IsVertWriting()) { + if (m_pTTGSUBTable) { + uint32_t vindex = 0; + m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); + if (vindex) { + index = vindex; + if (pVertGlyph) { + *pVertGlyph = TRUE; + } + } + return index; + } + if (!m_Font.GetSubData()) { + unsigned long length = 0; + int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, + NULL, &length); + if (!error) { + m_Font.SetSubData(FX_Alloc(uint8_t, length)); + } + } + int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, + m_Font.GetSubData(), NULL); + if (!error && m_Font.GetSubData()) { + m_pTTGSUBTable = new CFX_CTTGSUBTable; + m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData()); + uint32_t vindex = 0; + m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); + if (vindex) { + index = vindex; + if (pVertGlyph) { + *pVertGlyph = TRUE; + } + } + } + return index; + } + if (pVertGlyph) { + *pVertGlyph = FALSE; + } + return index; +} +int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { + if (pVertGlyph) { + *pVertGlyph = FALSE; + } + if (!m_pFontFile && !m_pCIDToGIDMap) { + uint16_t cid = CIDFromCharCode(charcode); + FX_WCHAR unicode = 0; + if (m_bCIDIsGID) { +#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ + return cid; +#else + if (m_Flags & PDFFONT_SYMBOLIC) { + return cid; + } + CFX_WideString uni_str = UnicodeFromCharCode(charcode); + if (uni_str.IsEmpty()) { + return cid; + } + unicode = uni_str.GetAt(0); +#endif + } else { + if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) { + unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid); + } + if (unicode == 0) { + unicode = GetUnicodeFromCharCode(charcode); + } + if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) { + unicode = UnicodeFromCharCode(charcode).GetAt(0); + } + } + FXFT_Face face = m_Font.GetFace(); + if (unicode == 0) { + if (!m_bAdobeCourierStd) { + return charcode == 0 ? -1 : (int)charcode; + } + charcode += 31; + int index = 0, iBaseEncoding; + FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1); + FX_BOOL bMacRoman = FALSE; + if (!bMSUnicode) { + bMacRoman = FT_UseTTCharmap(face, 1, 0); + } + iBaseEncoding = PDFFONT_ENCODING_STANDARD; + if (bMSUnicode) { + iBaseEncoding = PDFFONT_ENCODING_WINANSI; + } else if (bMacRoman) { + iBaseEncoding = PDFFONT_ENCODING_MACROMAN; + } + const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode); + if (!name) { + return charcode == 0 ? -1 : (int)charcode; + } + uint16_t unicode = PDF_UnicodeFromAdobeName(name); + if (unicode) { + if (bMSUnicode) { + index = FXFT_Get_Char_Index(face, unicode); + } else if (bMacRoman) { + FX_DWORD maccode = + FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); + index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) + : FXFT_Get_Char_Index(face, maccode); + } else { + return FXFT_Get_Char_Index(face, unicode); + } + } else { + return charcode == 0 ? -1 : (int)charcode; + } + if (index == 0 || index == 0xffff) { + return charcode == 0 ? -1 : (int)charcode; + } + return index; + } + if (m_Charset == CIDSET_JAPAN1) { + if (unicode == '\\') { + unicode = '/'; +#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ + } else if (unicode == 0xa5) { + unicode = 0x5c; +#endif + } + } + if (!face) + return unicode; + + int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); + if (err != 0) { + int i; + for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { + FX_DWORD ret = FT_CharCodeFromUnicode( + FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]), + (FX_WCHAR)charcode); + if (ret == 0) { + continue; + } + FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); + unicode = (FX_WCHAR)ret; + break; + } + if (i == FXFT_Get_Face_CharmapCount(face) && i) { + FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); + unicode = (FX_WCHAR)charcode; + } + } + if (FXFT_Get_Face_Charmap(face)) { + int index = GetGlyphIndex(unicode, pVertGlyph); + if (index == 0) + return -1; + return index; + } + return unicode; + } + if (!m_Font.GetFace()) + return -1; + + uint16_t cid = CIDFromCharCode(charcode); + if (m_bType1) { + if (!m_pCIDToGIDMap) { + return cid; + } + } else { + if (!m_pCIDToGIDMap) { + if (m_pFontFile && !m_pCMap->m_pMapping) + return cid; + if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || + !FXFT_Get_Face_Charmap(m_Font.GetFace())) { + return cid; + } + if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) == + FXFT_ENCODING_UNICODE) { + CFX_WideString unicode_str = UnicodeFromCharCode(charcode); + if (unicode_str.IsEmpty()) { + return -1; + } + charcode = unicode_str.GetAt(0); + } + return GetGlyphIndex(charcode, pVertGlyph); + } + } + FX_DWORD byte_pos = cid * 2; + if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) + return -1; + + const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos; + return pdata[0] * 256 + pdata[1]; +} +FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString, + int nStrLen, + int& offset) const { + return m_pCMap->GetNextChar(pString, nStrLen, offset); +} +int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const { + return m_pCMap->GetCharSize(charcode); +} +int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const { + return m_pCMap->CountChar(pString, size); +} +int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { + return m_pCMap->AppendChar(str, charcode); +} +FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { + if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || + !m_pCID2UnicodeMap->IsLoaded()) { + return m_pCMap->m_Coding != CIDCODING_UNKNOWN; + } + return TRUE; +} +FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const { + return TRUE; +} +void CPDF_CIDFont::LoadSubstFont() { + m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, + g_CharsetCPs[m_Charset], IsVertWriting()); +} +void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, + CFX_DWordArray& result, + int nElements) { + int width_status = 0; + int iCurElement = 0; + int first_code = 0; + int last_code = 0; + FX_DWORD count = pArray->GetCount(); + for (FX_DWORD i = 0; i < count; i++) { + CPDF_Object* pObj = pArray->GetElementValue(i); + if (!pObj) + continue; + + if (CPDF_Array* pArray = pObj->AsArray()) { + if (width_status != 1) + return; + + FX_DWORD count = pArray->GetCount(); + for (FX_DWORD j = 0; j < count; j += nElements) { + result.Add(first_code); + result.Add(first_code); + for (int k = 0; k < nElements; k++) { + result.Add(pArray->GetIntegerAt(j + k)); + } + first_code++; + } + width_status = 0; + } else { + if (width_status == 0) { + first_code = pObj->GetInteger(); + width_status = 1; + } else if (width_status == 1) { + last_code = pObj->GetInteger(); + width_status = 2; + iCurElement = 0; + } else { + if (!iCurElement) { + result.Add(first_code); + result.Add(last_code); + } + result.Add(pObj->GetInteger()); + iCurElement++; + if (iCurElement == nElements) { + width_status = 0; + } + } + } + } +} + +// static +FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) { + if (ch < 128) { + return ch * 1.0f / 127; + } + return (-255 + ch) * 1.0f / 127; +} + +FX_BOOL CPDF_CIDFont::LoadGB2312() { + m_BaseFont = m_pFontDict->GetStringBy("BaseFont"); + CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); + if (pFontDesc) { + LoadFontDescriptor(pFontDesc); + } + m_Charset = CIDSET_GB1; + m_bType1 = FALSE; + m_pCMap = CPDF_ModuleMgr::Get() + ->GetPageModule() + ->GetFontGlobals() + ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE); + m_pCID2UnicodeMap = CPDF_ModuleMgr::Get() + ->GetPageModule() + ->GetFontGlobals() + ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE); + if (!IsEmbedded()) { + LoadSubstFont(); + } + CheckFontMetrics(); + m_DefaultWidth = 1000; + m_pAnsiWidths = FX_Alloc(uint16_t, 128); + for (int i = 32; i < 127; i++) { + m_pAnsiWidths[i] = 500; + } + return TRUE; +} + +const uint8_t* CPDF_CIDFont::GetCIDTransform(uint16_t CID) const { + if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) + return nullptr; + + const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch( + &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs), + sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform); + return found ? &found->a : nullptr; +} diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.h b/core/fpdfapi/fpdf_font/cpdf_cidfont.h new file mode 100644 index 0000000000..6ff7c825d2 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.h @@ -0,0 +1,89 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_ + +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/fx_system.h" + +enum CIDSet { + CIDSET_UNKNOWN, + CIDSET_GB1, + CIDSET_CNS1, + CIDSET_JAPAN1, + CIDSET_KOREA1, + CIDSET_UNICODE, + CIDSET_NUM_SETS +}; + +class CFX_CTTGSUBTable; +class CPDF_Array; +class CPDF_CID2UnicodeMap; +class CPDF_CMap; +class CPDF_StreamAcc; + +class CPDF_CIDFont : public CPDF_Font { + public: + CPDF_CIDFont(); + ~CPDF_CIDFont() override; + + static FX_FLOAT CIDTransformToFloat(uint8_t ch); + + // CPDF_Font: + bool IsCIDFont() const override; + const CPDF_CIDFont* AsCIDFont() const override; + CPDF_CIDFont* AsCIDFont() override; + int GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph = NULL) override; + int GetCharWidthF(FX_DWORD charcode, int level = 0) override; + FX_RECT GetCharBBox(FX_DWORD charcode, int level = 0) override; + FX_DWORD GetNextChar(const FX_CHAR* pString, + int nStrLen, + int& offset) const override; + int CountChar(const FX_CHAR* pString, int size) const override; + int AppendChar(FX_CHAR* str, FX_DWORD charcode) const override; + int GetCharSize(FX_DWORD charcode) const override; + FX_BOOL IsVertWriting() const override; + FX_BOOL IsUnicodeCompatible() const override; + FX_BOOL Load() override; + CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const override; + FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const override; + + FX_BOOL LoadGB2312(); + uint16_t CIDFromCharCode(FX_DWORD charcode) const; + const uint8_t* GetCIDTransform(uint16_t CID) const; + short GetVertWidth(uint16_t CID) const; + void GetVertOrigin(uint16_t CID, short& vx, short& vy) const; + virtual FX_BOOL IsFontStyleFromCharCode(FX_DWORD charcode) const; + + protected: + int GetGlyphIndex(FX_DWORD unicodeb, FX_BOOL* pVertGlyph); + void LoadMetricsArray(CPDF_Array* pArray, + CFX_DWordArray& result, + int nElements); + void LoadSubstFont(); + FX_WCHAR GetUnicodeFromCharCode(FX_DWORD charcode) const; + + CPDF_CMap* m_pCMap; + CPDF_CMap* m_pAllocatedCMap; + CPDF_CID2UnicodeMap* m_pCID2UnicodeMap; + CIDSet m_Charset; + FX_BOOL m_bType1; + CPDF_StreamAcc* m_pCIDToGIDMap; + FX_BOOL m_bCIDIsGID; + uint16_t m_DefaultWidth; + uint16_t* m_pAnsiWidths; + FX_SMALL_RECT m_CharBBox[256]; + CFX_DWordArray m_WidthList; + short m_DefaultVY; + short m_DefaultW1; + CFX_DWordArray m_VertMetrics; + FX_BOOL m_bAdobeCourierStd; + CFX_CTTGSUBTable* m_pTTGSUBTable; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_ diff --git a/core/fpdfapi/fpdf_font/cpdf_font.cpp b/core/fpdfapi/fpdf_font/cpdf_font.cpp new file mode 100644 index 0000000000..bb63966161 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_font.cpp @@ -0,0 +1,492 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" + +#include "core/fpdfapi/fpdf_font/cpdf_truetypefont.h" +#include "core/fpdfapi/fpdf_font/cpdf_type1font.h" +#include "core/fpdfapi/fpdf_font/cpdf_type3font.h" +#include "core/fpdfapi/fpdf_font/font_int.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h" +#include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" +#include "core/fpdfapi/include/cpdf_modulemgr.h" +#include "core/include/fxge/fx_freetype.h" + +namespace { + +const uint8_t ChineseFontNames[][5] = {{0xCB, 0xCE, 0xCC, 0xE5, 0x00}, + {0xBF, 0xAC, 0xCC, 0xE5, 0x00}, + {0xBA, 0xDA, 0xCC, 0xE5, 0x00}, + {0xB7, 0xC2, 0xCB, 0xCE, 0x00}, + {0xD0, 0xC2, 0xCB, 0xCE, 0x00}}; + +FX_BOOL GetPredefinedEncoding(int& basemap, const CFX_ByteString& value) { + if (value == "WinAnsiEncoding") + basemap = PDFFONT_ENCODING_WINANSI; + else if (value == "MacRomanEncoding") + basemap = PDFFONT_ENCODING_MACROMAN; + else if (value == "MacExpertEncoding") + basemap = PDFFONT_ENCODING_MACEXPERT; + else if (value == "PDFDocEncoding") + basemap = PDFFONT_ENCODING_PDFDOC; + else + return FALSE; + return TRUE; +} + +} // namespace + +CPDF_Font::CPDF_Font() + : m_pFontFile(nullptr), + m_pFontDict(nullptr), + m_pToUnicodeMap(nullptr), + m_bToUnicodeLoaded(FALSE), + m_Flags(0), + m_StemV(0), + m_Ascent(0), + m_Descent(0), + m_ItalicAngle(0) {} + +CPDF_Font::~CPDF_Font() { + delete m_pToUnicodeMap; + m_pToUnicodeMap = NULL; + + if (m_pFontFile) { + m_pDocument->GetPageData()->ReleaseFontFileStreamAcc( + const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream())); + } +} + +bool CPDF_Font::IsType1Font() const { + return false; +} + +bool CPDF_Font::IsTrueTypeFont() const { + return false; +} + +bool CPDF_Font::IsType3Font() const { + return false; +} + +bool CPDF_Font::IsCIDFont() const { + return false; +} + +const CPDF_Type1Font* CPDF_Font::AsType1Font() const { + return nullptr; +} + +CPDF_Type1Font* CPDF_Font::AsType1Font() { + return nullptr; +} + +const CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() const { + return nullptr; +} + +CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() { + return nullptr; +} + +const CPDF_Type3Font* CPDF_Font::AsType3Font() const { + return nullptr; +} + +CPDF_Type3Font* CPDF_Font::AsType3Font() { + return nullptr; +} + +const CPDF_CIDFont* CPDF_Font::AsCIDFont() const { + return nullptr; +} + +CPDF_CIDFont* CPDF_Font::AsCIDFont() { + return nullptr; +} + +FX_BOOL CPDF_Font::IsUnicodeCompatible() const { + return FALSE; +} + +int CPDF_Font::CountChar(const FX_CHAR* pString, int size) const { + return size; +} + +int CPDF_Font::GetCharSize(FX_DWORD charcode) const { + return 1; +} + +int CPDF_Font::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { + ASSERT(false); + return 0; +} + +int CPDF_Font::GlyphFromCharCodeExt(FX_DWORD charcode) { + return GlyphFromCharCode(charcode); +} + +FX_BOOL CPDF_Font::IsVertWriting() const { + FX_BOOL bVertWriting = FALSE; + const CPDF_CIDFont* pCIDFont = AsCIDFont(); + if (pCIDFont) { + bVertWriting = pCIDFont->IsVertWriting(); + } else { + bVertWriting = m_Font.IsVertical(); + } + return bVertWriting; +} + +int CPDF_Font::AppendChar(FX_CHAR* buf, FX_DWORD charcode) const { + *buf = (FX_CHAR)charcode; + return 1; +} + +void CPDF_Font::AppendChar(CFX_ByteString& str, FX_DWORD charcode) const { + char buf[4]; + int len = AppendChar(buf, charcode); + if (len == 1) { + str += buf[0]; + } else { + str += CFX_ByteString(buf, len); + } +} + +CFX_WideString CPDF_Font::UnicodeFromCharCode(FX_DWORD charcode) const { + if (!m_bToUnicodeLoaded) + ((CPDF_Font*)this)->LoadUnicodeMap(); + + if (m_pToUnicodeMap) + return m_pToUnicodeMap->Lookup(charcode); + return CFX_WideString(); +} + +FX_DWORD CPDF_Font::CharCodeFromUnicode(FX_WCHAR unicode) const { + if (!m_bToUnicodeLoaded) + ((CPDF_Font*)this)->LoadUnicodeMap(); + + if (m_pToUnicodeMap) + return m_pToUnicodeMap->ReverseLookup(unicode); + return 0; +} + +void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) { + m_Flags = pFontDesc->GetIntegerBy("Flags", PDFFONT_NONSYMBOLIC); + int ItalicAngle = 0; + FX_BOOL bExistItalicAngle = FALSE; + if (pFontDesc->KeyExist("ItalicAngle")) { + ItalicAngle = pFontDesc->GetIntegerBy("ItalicAngle"); + bExistItalicAngle = TRUE; + } + if (ItalicAngle < 0) { + m_Flags |= PDFFONT_ITALIC; + m_ItalicAngle = ItalicAngle; + } + FX_BOOL bExistStemV = FALSE; + if (pFontDesc->KeyExist("StemV")) { + m_StemV = pFontDesc->GetIntegerBy("StemV"); + bExistStemV = TRUE; + } + FX_BOOL bExistAscent = FALSE; + if (pFontDesc->KeyExist("Ascent")) { + m_Ascent = pFontDesc->GetIntegerBy("Ascent"); + bExistAscent = TRUE; + } + FX_BOOL bExistDescent = FALSE; + if (pFontDesc->KeyExist("Descent")) { + m_Descent = pFontDesc->GetIntegerBy("Descent"); + bExistDescent = TRUE; + } + FX_BOOL bExistCapHeight = FALSE; + if (pFontDesc->KeyExist("CapHeight")) { + bExistCapHeight = TRUE; + } + if (bExistItalicAngle && bExistAscent && bExistCapHeight && bExistDescent && + bExistStemV) { + m_Flags |= PDFFONT_USEEXTERNATTR; + } + if (m_Descent > 10) { + m_Descent = -m_Descent; + } + CPDF_Array* pBBox = pFontDesc->GetArrayBy("FontBBox"); + if (pBBox) { + m_FontBBox.left = pBBox->GetIntegerAt(0); + m_FontBBox.bottom = pBBox->GetIntegerAt(1); + m_FontBBox.right = pBBox->GetIntegerAt(2); + m_FontBBox.top = pBBox->GetIntegerAt(3); + } + + CPDF_Stream* pFontFile = pFontDesc->GetStreamBy("FontFile"); + if (!pFontFile) + pFontFile = pFontDesc->GetStreamBy("FontFile2"); + if (!pFontFile) + pFontFile = pFontDesc->GetStreamBy("FontFile3"); + if (!pFontFile) + return; + + m_pFontFile = m_pDocument->LoadFontFile(pFontFile); + if (!m_pFontFile) + return; + + const uint8_t* pFontData = m_pFontFile->GetData(); + FX_DWORD dwFontSize = m_pFontFile->GetSize(); + if (!m_Font.LoadEmbedded(pFontData, dwFontSize)) { + m_pDocument->GetPageData()->ReleaseFontFileStreamAcc( + const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream())); + m_pFontFile = nullptr; + } +} + +void CPDF_Font::CheckFontMetrics() { + if (m_FontBBox.top == 0 && m_FontBBox.bottom == 0 && m_FontBBox.left == 0 && + m_FontBBox.right == 0) { + FXFT_Face face = m_Font.GetFace(); + if (face) { + m_FontBBox.left = TT2PDF(FXFT_Get_Face_xMin(face), face); + m_FontBBox.bottom = TT2PDF(FXFT_Get_Face_yMin(face), face); + m_FontBBox.right = TT2PDF(FXFT_Get_Face_xMax(face), face); + m_FontBBox.top = TT2PDF(FXFT_Get_Face_yMax(face), face); + m_Ascent = TT2PDF(FXFT_Get_Face_Ascender(face), face); + m_Descent = TT2PDF(FXFT_Get_Face_Descender(face), face); + } else { + FX_BOOL bFirst = TRUE; + for (int i = 0; i < 256; i++) { + FX_RECT rect = GetCharBBox(i); + if (rect.left == rect.right) { + continue; + } + if (bFirst) { + m_FontBBox = rect; + bFirst = FALSE; + } else { + if (m_FontBBox.top < rect.top) { + m_FontBBox.top = rect.top; + } + if (m_FontBBox.right < rect.right) { + m_FontBBox.right = rect.right; + } + if (m_FontBBox.left > rect.left) { + m_FontBBox.left = rect.left; + } + if (m_FontBBox.bottom > rect.bottom) { + m_FontBBox.bottom = rect.bottom; + } + } + } + } + } + if (m_Ascent == 0 && m_Descent == 0) { + FX_RECT rect = GetCharBBox('A'); + m_Ascent = rect.bottom == rect.top ? m_FontBBox.top : rect.top; + rect = GetCharBBox('g'); + m_Descent = rect.bottom == rect.top ? m_FontBBox.bottom : rect.bottom; + } +} + +void CPDF_Font::LoadUnicodeMap() { + m_bToUnicodeLoaded = TRUE; + CPDF_Stream* pStream = m_pFontDict->GetStreamBy("ToUnicode"); + if (!pStream) { + return; + } + m_pToUnicodeMap = new CPDF_ToUnicodeMap; + m_pToUnicodeMap->Load(pStream); +} + +int CPDF_Font::GetStringWidth(const FX_CHAR* pString, int size) { + int offset = 0; + int width = 0; + while (offset < size) { + FX_DWORD charcode = GetNextChar(pString, size, offset); + width += GetCharWidthF(charcode); + } + return width; +} + +CPDF_Font* CPDF_Font::GetStockFont(CPDF_Document* pDoc, + const CFX_ByteStringC& name) { + CFX_ByteString fontname(name); + int font_id = PDF_GetStandardFontName(&fontname); + if (font_id < 0) { + return nullptr; + } + CPDF_FontGlobals* pFontGlobals = + CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); + CPDF_Font* pFont = pFontGlobals->Find(pDoc, font_id); + if (pFont) { + return pFont; + } + CPDF_Dictionary* pDict = new CPDF_Dictionary; + pDict->SetAtName("Type", "Font"); + pDict->SetAtName("Subtype", "Type1"); + pDict->SetAtName("BaseFont", fontname); + pDict->SetAtName("Encoding", "WinAnsiEncoding"); + pFont = CPDF_Font::CreateFontF(NULL, pDict); + pFontGlobals->Set(pDoc, font_id, pFont); + return pFont; +} + +CPDF_Font* CPDF_Font::CreateFontF(CPDF_Document* pDoc, + CPDF_Dictionary* pFontDict) { + CFX_ByteString type = pFontDict->GetStringBy("Subtype"); + CPDF_Font* pFont; + if (type == "TrueType") { + { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ || \ + _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || \ + _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_ || \ + _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + CFX_ByteString basefont = pFontDict->GetStringBy("BaseFont"); + CFX_ByteString tag = basefont.Left(4); + int i; + int count = sizeof(ChineseFontNames) / sizeof(ChineseFontNames[0]); + for (i = 0; i < count; ++i) { + if (tag == CFX_ByteString((const FX_CHAR*)ChineseFontNames[i])) { + break; + } + } + if (i < count) { + CPDF_Dictionary* pFontDesc = pFontDict->GetDictBy("FontDescriptor"); + if (!pFontDesc || !pFontDesc->KeyExist("FontFile2")) { + pFont = new CPDF_CIDFont; + pFont->m_pFontDict = pFontDict; + pFont->m_pDocument = pDoc; + pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont"); + if (!pFont->Load()) { + delete pFont; + return NULL; + } + return pFont; + } + } +#endif + } + pFont = new CPDF_TrueTypeFont; + } else if (type == "Type3") { + pFont = new CPDF_Type3Font; + } else if (type == "Type0") { + pFont = new CPDF_CIDFont; + } else { + pFont = new CPDF_Type1Font; + } + pFont->m_pFontDict = pFontDict; + pFont->m_pDocument = pDoc; + pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont"); + if (!pFont->Load()) { + delete pFont; + return NULL; + } + return pFont; +} + +FX_DWORD CPDF_Font::GetNextChar(const FX_CHAR* pString, + int nStrLen, + int& offset) const { + if (offset < 0 || nStrLen < 1) { + return 0; + } + uint8_t ch = offset < nStrLen ? pString[offset++] : pString[nStrLen - 1]; + return static_cast<FX_DWORD>(ch); +} + +void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding, + int& iBaseEncoding, + CFX_ByteString*& pCharNames, + FX_BOOL bEmbedded, + FX_BOOL bTrueType) { + if (!pEncoding) { + if (m_BaseFont == "Symbol") { + iBaseEncoding = bTrueType ? PDFFONT_ENCODING_MS_SYMBOL + : PDFFONT_ENCODING_ADOBE_SYMBOL; + } else if (!bEmbedded && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) { + iBaseEncoding = PDFFONT_ENCODING_WINANSI; + } + return; + } + if (pEncoding->IsName()) { + if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL || + iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) { + return; + } + if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == "Symbol") { + if (!bTrueType) { + iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL; + } + return; + } + CFX_ByteString bsEncoding = pEncoding->GetString(); + if (bsEncoding.Compare("MacExpertEncoding") == 0) { + bsEncoding = "WinAnsiEncoding"; + } + GetPredefinedEncoding(iBaseEncoding, bsEncoding); + return; + } + + CPDF_Dictionary* pDict = pEncoding->AsDictionary(); + if (!pDict) + return; + + if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && + iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) { + CFX_ByteString bsEncoding = pDict->GetStringBy("BaseEncoding"); + if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) { + bsEncoding = "WinAnsiEncoding"; + } + GetPredefinedEncoding(iBaseEncoding, bsEncoding); + } + if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) { + iBaseEncoding = PDFFONT_ENCODING_STANDARD; + } + CPDF_Array* pDiffs = pDict->GetArrayBy("Differences"); + if (!pDiffs) { + return; + } + pCharNames = new CFX_ByteString[256]; + FX_DWORD cur_code = 0; + for (FX_DWORD i = 0; i < pDiffs->GetCount(); i++) { + CPDF_Object* pElement = pDiffs->GetElementValue(i); + if (!pElement) + continue; + + if (CPDF_Name* pName = pElement->AsName()) { + if (cur_code < 256) + pCharNames[cur_code] = pName->GetString(); + cur_code++; + } else { + cur_code = pElement->GetInteger(); + } + } +} + +FX_BOOL CPDF_Font::IsStandardFont() const { + if (!IsType1Font()) + return FALSE; + if (m_pFontFile) + return FALSE; + if (AsType1Font()->GetBase14Font() < 0) + return FALSE; + return TRUE; +} + +const FX_CHAR* CPDF_Font::GetAdobeCharName(int iBaseEncoding, + const CFX_ByteString* pCharNames, + int charcode) { + ASSERT(charcode >= 0 && charcode < 256); + if (charcode < 0 || charcode >= 256) + return nullptr; + + const FX_CHAR* name = nullptr; + if (pCharNames) + name = pCharNames[charcode]; + if ((!name || name[0] == 0) && iBaseEncoding) + name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode); + return name && name[0] ? name : nullptr; +} diff --git a/core/fpdfapi/fpdf_font/fpdf_font_charset.cpp b/core/fpdfapi/fpdf_font/cpdf_fontencoding.cpp index 1b503c69a6..64e11e09de 100644 --- a/core/fpdfapi/fpdf_font/fpdf_font_charset.cpp +++ b/core/fpdfapi/fpdf_font/cpdf_fontencoding.cpp @@ -1,77 +1,52 @@ -// Copyright 2014 PDFium Authors. All rights reserved. +// Copyright 2016 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" -#include "core/include/fpdfapi/fpdf_resource.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h" + +#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/include/fxge/fx_freetype.h" +#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" -static const struct _UnicodeAlt { - uint16_t m_Unicode; - const FX_CHAR* m_Alter; -} UnicodeAlts[] = { - {0x00a0, " "}, {0x00a1, "!"}, {0x00a2, "c"}, {0x00a3, "P"}, - {0x00a4, "o"}, {0x00a5, "Y"}, {0x00a6, "|"}, {0x00a7, "S"}, - {0x00a9, "(C)"}, {0x00aa, "a"}, {0x00ab, "<<"}, {0x00ac, "-|"}, - {0x00ae, "(R)"}, {0x00af, "-"}, {0x00b0, "o"}, {0x00b1, "+/-"}, - {0x00b2, "^2"}, {0x00b3, "^3"}, {0x00b4, "'"}, {0x00b5, "u"}, - {0x00b6, "P"}, {0x00b7, "."}, {0x00b9, "^1"}, {0x00ba, "o"}, - {0x00bb, ">>"}, {0x00bc, "1/4"}, {0x00bd, "1/2"}, {0x00be, "3/4"}, - {0x00bf, "?"}, {0x00c0, "A"}, {0x00c1, "A"}, {0x00c2, "A"}, - {0x00c3, "A"}, {0x00c4, "A"}, {0x00c5, "A"}, {0x00c6, "AE"}, - {0x00c7, "C"}, {0x00c8, "E"}, {0x00c9, "E"}, {0x00ca, "E"}, - {0x00cb, "E"}, {0x00cc, "I"}, {0x00cd, "I"}, {0x00ce, "I"}, - {0x00cf, "I"}, {0x00d1, "N"}, {0x00d2, "O"}, {0x00d3, "O"}, - {0x00d4, "O"}, {0x00d5, "O"}, {0x00d6, "O"}, {0x00d7, "x"}, - {0x00d8, "O"}, {0x00d9, "U"}, {0x00da, "U"}, {0x00db, "U"}, - {0x00dc, "U"}, {0x00dd, "Y"}, {0x00df, "S"}, {0x00e0, "a"}, - {0x00e1, "a"}, {0x00e2, "a"}, {0x00e3, "a"}, {0x00e4, "a"}, - {0x00e5, "a"}, {0x00e6, "ae"}, {0x00e7, "c"}, {0x00e8, "e"}, - {0x00e9, "e"}, {0x00ea, "e"}, {0x00eb, "e"}, {0x00ec, "i"}, - {0x00ed, "i"}, {0x00ee, "i"}, {0x00ef, "i"}, {0x00f1, "n"}, - {0x00f2, "o"}, {0x00f3, "o"}, {0x00f4, "o"}, {0x00f5, "o"}, - {0x00f6, "o"}, {0x00f7, "/"}, {0x00f8, "o"}, {0x00f9, "u"}, - {0x00fa, "u"}, {0x00fb, "u"}, {0x00fc, "u"}, {0x00fd, "y"}, - {0x00ff, "y"}, {0x02b0, "h"}, {0x02b2, "j"}, {0x02b3, "r"}, - {0x02b7, "w"}, {0x02b8, "y"}, {0x02b9, "'"}, {0x02ba, "\""}, - {0x02bb, "'"}, {0x02bc, "'"}, {0x02bd, "'"}, {0x02be, "'"}, - {0x02bf, "'"}, {0x02c2, "<"}, {0x02c3, ">"}, {0x02c4, "^"}, - {0x02c5, "v"}, {0x02c6, "^"}, {0x02c7, "v"}, {0x02c8, "'"}, - {0x02c9, "-"}, {0x02ca, "'"}, {0x02cb, "'"}, {0x02cc, "."}, - {0x02cd, "_"}, {0x2010, "-"}, {0x2012, "-"}, {0x2013, "-"}, - {0x2014, "--"}, {0x2015, "--"}, {0x2016, "|"}, {0x2017, "_"}, - {0x2018, "'"}, {0x2019, "'"}, {0x201a, ","}, {0x201b, "'"}, - {0x201c, "\""}, {0x201d, "\""}, {0x201e, ","}, {0x201f, "'"}, - {0x2020, "+"}, {0x2021, "+"}, {0x2022, "*"}, {0x2023, ">"}, - {0x2024, "."}, {0x2025, ".."}, {0x2027, "."}, {0x2032, "'"}, - {0x2033, "\""}, {0x2035, "'"}, {0x2036, "\""}, {0x2038, "^"}, - {0x2039, "<"}, {0x203a, ">"}, {0x203b, "*"}, {0x203c, "!!"}, - {0x203d, "?!"}, {0x203e, "-"}, {0x2044, "/"}, {0x2047, "??"}, - {0x2048, "?!"}, {0x2049, "!?"}, {0x204e, "*"}, {0x2052, "%"}, - {0x2122, "(TM)"}, {0x2212, "-"}, {0x2215, "/"}, {0x2216, "\\"}, - {0x2217, "*"}, {0x2218, "*"}, {0x2219, "*"}, {0x2223, "|"}, - {0x22c5, "."}, {0x266f, "#"}, {0XF6D9, "(C)"}, {0XF6DA, "(C)"}, - {0XF6DB, "(TM)"}, {0XF8E8, "(C)"}, {0xf8e9, "(C)"}, {0XF8EA, "(TM)"}, - {0xfb01, "fi"}, {0xfb02, "fl"}}; -const FX_CHAR* FCS_GetAltStr(FX_WCHAR unicode) { - int begin = 0; - int end = sizeof UnicodeAlts / sizeof(struct _UnicodeAlt) - 1; - while (begin <= end) { - int middle = (begin + end) / 2; - uint16_t middlecode = UnicodeAlts[middle].m_Unicode; - if (middlecode > unicode) { - end = middle - 1; - } else if (middlecode < unicode) { - begin = middle + 1; - } else { - return UnicodeAlts[middle].m_Alter; - } - } - return NULL; -} -static const uint16_t StandardEncoding[256] = { +namespace { + +const uint16_t MSSymbolEncoding[256] = { + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 32, 33, 8704, 35, + 8707, 37, 38, 8715, 40, 41, 8727, 43, 44, + 8722, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 59, 60, 61, 62, + 63, 8773, 913, 914, 935, 916, 917, 934, 915, + 919, 921, 977, 922, 923, 924, 925, 927, 928, + 920, 929, 931, 932, 933, 962, 937, 926, 936, + 918, 91, 8756, 93, 8869, 95, 8254, 945, 946, + 967, 948, 949, 966, 947, 951, 953, 981, 954, + 955, 956, 957, 959, 960, 952, 961, 963, 964, + 965, 982, 969, 958, 968, 950, 123, 124, 125, + 8764, 0, 0, 0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 978, + 8242, 8804, 8725, 8734, 402, 9827, 9830, 9828, 9824, + 8596, 8592, 8593, 8594, 8595, 176, 177, 8243, 8805, + 215, 8733, 8706, 8729, 247, 8800, 8801, 8776, 8943, + 0, 0, 8629, 0, 8465, 8476, 8472, 8855, 8853, + 8709, 8745, 8746, 8835, 8839, 8836, 8834, 8838, 8712, + 8713, 8736, 8711, 174, 169, 8482, 8719, 8730, 8901, + 172, 8743, 8744, 8660, 8656, 8657, 8658, 8659, 9674, + 9001, 0, 0, 0, 8721, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0x0000, 9002, 8747, + 8992, 0, 8993, 0, 0, 0, 0, 0, 0, + 0x0000, 0x0000, 0x0000, 0x0000}; + +const uint16_t StandardEncoding[256] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -101,7 +76,8 @@ static const uint16_t StandardEncoding[256] = { 0x0152, 0x00ba, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00e6, 0x0000, 0x0000, 0x0000, 0x0131, 0x0000, 0x0000, 0x0142, 0x00f8, 0x0153, 0x00df, 0x0000, 0x0000, 0x0000, 0x0000}; -static const uint16_t MacRomanEncoding[256] = { + +const uint16_t MacRomanEncoding[256] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -131,7 +107,8 @@ static const uint16_t MacRomanEncoding[256] = { 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4, 0x0000, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc, 0x00af, 0x02d8, 0x02d9, 0x02da, 0x00b8, 0x02dd, 0x02db, 0x02c7}; -static const uint16_t AdobeWinAnsiEncoding[256] = { + +const uint16_t AdobeWinAnsiEncoding[256] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -161,7 +138,8 @@ static const uint16_t AdobeWinAnsiEncoding[256] = { 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, 0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff}; -static const uint16_t MacExpertEncoding[256] = { + +const uint16_t MacExpertEncoding[256] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -191,7 +169,8 @@ static const uint16_t MacExpertEncoding[256] = { 0xf6f2, 0xf6eb, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xf6ee, 0xf6fb, 0xf6f4, 0xf7af, 0xf6ea, 0x207f, 0xf6ef, 0xf6e2, 0xf6e8, 0xf6f7, 0xf6fc, 0x0000, 0x0000, 0x0000, 0x0000}; -static const uint16_t AdobeSymbolEncoding[256] = { + +const uint16_t AdobeSymbolEncoding[256] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -222,7 +201,8 @@ static const uint16_t AdobeSymbolEncoding[256] = { 0x2320, 0xF8F5, 0x2321, 0xF8F6, 0xF8F7, 0xF8F8, 0xF8F9, 0xF8FA, 0xF8FB, 0xF8FC, 0xF8FD, 0xF8FE, 0x0000, }; -static const uint16_t ZapfEncoding[256] = { + +const uint16_t ZapfEncoding[256] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -253,7 +233,8 @@ static const uint16_t ZapfEncoding[256] = { 0x27B3, 0x27B4, 0x27B5, 0x27B6, 0x27B7, 0x27B8, 0x27B9, 0x27BA, 0x27BB, 0x27BC, 0x27BD, 0x27BE, 0x0000, }; -static const FX_CHAR* const StandardEncodingNames[224] = { + +const FX_CHAR* const StandardEncodingNames[224] = { "space", "exclam", "quotedbl", @@ -479,7 +460,8 @@ static const FX_CHAR* const StandardEncodingNames[224] = { NULL, NULL, }; -static const FX_CHAR* const AdobeWinAnsiEncodingNames[224] = { + +const FX_CHAR* const AdobeWinAnsiEncodingNames[224] = { "space", "exclam", "quotedbl", @@ -705,7 +687,8 @@ static const FX_CHAR* const AdobeWinAnsiEncodingNames[224] = { "thorn", "ydieresis", }; -static const FX_CHAR* const MacRomanEncodingNames[224] = { + +const FX_CHAR* const MacRomanEncodingNames[224] = { "space", "exclam", "quotedbl", @@ -931,7 +914,8 @@ static const FX_CHAR* const MacRomanEncodingNames[224] = { "ogonek", "caron", }; -static const FX_CHAR* const MacExpertEncodingNames[224] = { + +const FX_CHAR* const MacExpertEncodingNames[224] = { "space", "exclamsmall", "Hungarumlautsmall", @@ -1157,7 +1141,8 @@ static const FX_CHAR* const MacExpertEncodingNames[224] = { NULL, NULL, }; -static const FX_CHAR* const PDFDocEncodingNames[232] = { + +const FX_CHAR* const PDFDocEncodingNames[232] = { "breve", "caron", "circumflex", @@ -1391,7 +1376,8 @@ static const FX_CHAR* const PDFDocEncodingNames[232] = { "thorn", "ydieresis", }; -static const FX_CHAR* const AdobeSymbolEncodingNames[224] = { + +const FX_CHAR* const AdobeSymbolEncodingNames[224] = { "space", "exclam", "universal", @@ -1617,7 +1603,8 @@ static const FX_CHAR* const AdobeSymbolEncodingNames[224] = { "bracerightbt", NULL, }; -static const FX_CHAR* const ZapfEncodingNames[224] = { + +const FX_CHAR* const ZapfEncodingNames[224] = { "space", "a1", "a2", "a202", "a3", "a4", "a5", "a119", "a118", "a117", "a11", "a12", "a13", "a14", "a15", "a16", "a105", "a17", "a18", "a19", "a20", "a21", "a22", "a23", "a24", "a25", "a26", @@ -1643,91 +1630,89 @@ static const FX_CHAR* const ZapfEncodingNames[224] = { "a176", "a177", "a178", "a179", "a193", "a180", "a199", "a181", "a200", "a182", NULL, "a201", "a183", "a184", "a197", "a185", "a194", "a198", "a186", "a195", "a187", "a188", "a189", "a190", "a191", NULL}; -const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding, - uint8_t charcode) { - if (encoding == PDFFONT_ENCODING_PDFDOC) { - if (charcode < 24) { - return NULL; + +FX_DWORD PDF_FindCode(const uint16_t* pCodes, uint16_t unicode) { + for (FX_DWORD i = 0; i < 256; i++) + if (pCodes[i] == unicode) + return i; + return 0; +} + +} // namespace + +CPDF_FontEncoding::CPDF_FontEncoding() { + FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes)); +} + +int CPDF_FontEncoding::CharCodeFromUnicode(FX_WCHAR unicode) const { + for (int i = 0; i < 256; i++) + if (m_Unicodes[i] == unicode) { + return i; } - charcode -= 24; + return -1; +} + +CPDF_FontEncoding::CPDF_FontEncoding(int PredefinedEncoding) { + const uint16_t* pSrc = PDF_UnicodesForPredefinedCharSet(PredefinedEncoding); + if (!pSrc) { + FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes)); } else { - if (charcode < 32) { - return NULL; - } - charcode -= 32; + for (int i = 0; i < 256; i++) + m_Unicodes[i] = pSrc[i]; } - switch (encoding) { - case PDFFONT_ENCODING_WINANSI: - return AdobeWinAnsiEncodingNames[charcode]; - case PDFFONT_ENCODING_MACROMAN: - return MacRomanEncodingNames[charcode]; - case PDFFONT_ENCODING_MACEXPERT: - return MacExpertEncodingNames[charcode]; - case PDFFONT_ENCODING_STANDARD: - return StandardEncodingNames[charcode]; - case PDFFONT_ENCODING_ADOBE_SYMBOL: - return AdobeSymbolEncodingNames[charcode]; - case PDFFONT_ENCODING_ZAPFDINGBATS: - return ZapfEncodingNames[charcode]; - case PDFFONT_ENCODING_PDFDOC: - return PDFDocEncodingNames[charcode]; - } - return NULL; } -FX_WCHAR FT_UnicodeFromCharCode(int encoding, FX_DWORD charcode) { - switch (encoding) { - case FXFT_ENCODING_UNICODE: - return (uint16_t)charcode; - case FXFT_ENCODING_ADOBE_STANDARD: - return StandardEncoding[(uint8_t)charcode]; - case FXFT_ENCODING_ADOBE_EXPERT: - return MacExpertEncoding[(uint8_t)charcode]; - case FXFT_ENCODING_ADOBE_LATIN_1: - return AdobeWinAnsiEncoding[(uint8_t)charcode]; - case FXFT_ENCODING_APPLE_ROMAN: - return MacRomanEncoding[(uint8_t)charcode]; - case PDFFONT_ENCODING_PDFDOC: - return PDFDocEncoding[(uint8_t)charcode]; - } - return 0; + +FX_BOOL CPDF_FontEncoding::IsIdentical(CPDF_FontEncoding* pAnother) const { + return FXSYS_memcmp(m_Unicodes, pAnother->m_Unicodes, sizeof(m_Unicodes)) == + 0; } -static FX_DWORD PDF_FindCode(const uint16_t* pCodes, uint16_t unicode) { - for (FX_DWORD i = 0; i < 256; i++) - if (pCodes[i] == unicode) { - return i; + +CPDF_Object* CPDF_FontEncoding::Realize() { + int predefined = 0; + for (int cs = PDFFONT_ENCODING_WINANSI; cs < PDFFONT_ENCODING_ZAPFDINGBATS; + cs++) { + const uint16_t* pSrc = PDF_UnicodesForPredefinedCharSet(cs); + FX_BOOL match = TRUE; + for (int i = 0; i < 256; ++i) { + if (m_Unicodes[i] != pSrc[i]) { + match = FALSE; + break; + } } - return 0; + if (match) { + predefined = cs; + break; + } + } + if (predefined) { + if (predefined == PDFFONT_ENCODING_WINANSI) { + return new CPDF_Name("WinAnsiEncoding"); + } + if (predefined == PDFFONT_ENCODING_MACROMAN) { + return new CPDF_Name("MacRomanEncoding"); + } + if (predefined == PDFFONT_ENCODING_MACEXPERT) { + return new CPDF_Name("MacExpertEncoding"); + } + return NULL; + } + const uint16_t* pStandard = + PDF_UnicodesForPredefinedCharSet(PDFFONT_ENCODING_WINANSI); + CPDF_Array* pDiff = new CPDF_Array; + for (int i = 0; i < 256; i++) { + if (pStandard[i] == m_Unicodes[i]) { + continue; + } + pDiff->Add(new CPDF_Number(i)); + pDiff->Add(new CPDF_Name(PDF_AdobeNameFromUnicode(m_Unicodes[i]))); + } + + CPDF_Dictionary* pDict = new CPDF_Dictionary; + pDict->SetAtName("BaseEncoding", "WinAnsiEncoding"); + pDict->SetAt("Differences", pDiff); + return pDict; } -static const uint16_t MSSymbolEncoding[256] = { - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 32, 33, 8704, 35, - 8707, 37, 38, 8715, 40, 41, 8727, 43, 44, - 8722, 46, 47, 48, 49, 50, 51, 52, 53, - 54, 55, 56, 57, 58, 59, 60, 61, 62, - 63, 8773, 913, 914, 935, 916, 917, 934, 915, - 919, 921, 977, 922, 923, 924, 925, 927, 928, - 920, 929, 931, 932, 933, 962, 937, 926, 936, - 918, 91, 8756, 93, 8869, 95, 8254, 945, 946, - 967, 948, 949, 966, 947, 951, 953, 981, 954, - 955, 956, 957, 959, 960, 952, 961, 963, 964, - 965, 982, 969, 958, 968, 950, 123, 124, 125, - 8764, 0, 0, 0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 978, - 8242, 8804, 8725, 8734, 402, 9827, 9830, 9828, 9824, - 8596, 8592, 8593, 8594, 8595, 176, 177, 8243, 8805, - 215, 8733, 8706, 8729, 247, 8800, 8801, 8776, 8943, - 0, 0, 8629, 0, 8465, 8476, 8472, 8855, 8853, - 8709, 8745, 8746, 8835, 8839, 8836, 8834, 8838, 8712, - 8713, 8736, 8711, 174, 169, 8482, 8719, 8730, 8901, - 172, 8743, 8744, 8660, 8656, 8657, 8658, 8659, 9674, - 9001, 0, 0, 0, 8721, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0x0000, 9002, 8747, - 8992, 0, 8993, 0, 0, 0, 0, 0, 0, - 0x0000, 0x0000, 0x0000, 0x0000}; + FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode) { switch (encoding) { case FXFT_ENCODING_UNICODE: @@ -1768,14 +1753,63 @@ const uint16_t* PDF_UnicodesForPredefinedCharSet(int encoding) { } return NULL; } -FX_DWORD PDF_PredefinedCharCodeFromUnicode(int encoding, FX_WCHAR unicode) { - return PDF_FindCode(PDF_UnicodesForPredefinedCharSet(encoding), unicode); -} + FX_WCHAR PDF_UnicodeFromAdobeName(const FX_CHAR* name) { return (FX_WCHAR)(FXFT_unicode_from_adobe_name(name) & 0x7FFFFFFF); } + CFX_ByteString PDF_AdobeNameFromUnicode(FX_WCHAR unicode) { char glyph_name[64]; FXFT_adobe_name_from_unicode(glyph_name, unicode); return CFX_ByteString(glyph_name); } + +const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding, + uint8_t charcode) { + if (encoding == PDFFONT_ENCODING_PDFDOC) { + if (charcode < 24) + return NULL; + + charcode -= 24; + } else { + if (charcode < 32) + return NULL; + + charcode -= 32; + } + switch (encoding) { + case PDFFONT_ENCODING_WINANSI: + return AdobeWinAnsiEncodingNames[charcode]; + case PDFFONT_ENCODING_MACROMAN: + return MacRomanEncodingNames[charcode]; + case PDFFONT_ENCODING_MACEXPERT: + return MacExpertEncodingNames[charcode]; + case PDFFONT_ENCODING_STANDARD: + return StandardEncodingNames[charcode]; + case PDFFONT_ENCODING_ADOBE_SYMBOL: + return AdobeSymbolEncodingNames[charcode]; + case PDFFONT_ENCODING_ZAPFDINGBATS: + return ZapfEncodingNames[charcode]; + case PDFFONT_ENCODING_PDFDOC: + return PDFDocEncodingNames[charcode]; + } + return nullptr; +} + +FX_WCHAR FT_UnicodeFromCharCode(int encoding, FX_DWORD charcode) { + switch (encoding) { + case FXFT_ENCODING_UNICODE: + return (uint16_t)charcode; + case FXFT_ENCODING_ADOBE_STANDARD: + return StandardEncoding[(uint8_t)charcode]; + case FXFT_ENCODING_ADOBE_EXPERT: + return MacExpertEncoding[(uint8_t)charcode]; + case FXFT_ENCODING_ADOBE_LATIN_1: + return AdobeWinAnsiEncoding[(uint8_t)charcode]; + case FXFT_ENCODING_APPLE_ROMAN: + return MacRomanEncoding[(uint8_t)charcode]; + case PDFFONT_ENCODING_PDFDOC: + return PDFDocEncoding[(uint8_t)charcode]; + } + return 0; +} diff --git a/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp b/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp new file mode 100644 index 0000000000..d7057e1894 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_simplefont.cpp @@ -0,0 +1,222 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/cpdf_simplefont.h" + +#include "core/fpdfapi/fpdf_font/font_int.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/include/fxge/fx_freetype.h" + +CPDF_SimpleFont::CPDF_SimpleFont() + : m_pCharNames(nullptr), m_BaseEncoding(PDFFONT_ENCODING_BUILTIN) { + FXSYS_memset(m_CharWidth, 0xff, sizeof m_CharWidth); + FXSYS_memset(m_GlyphIndex, 0xff, sizeof m_GlyphIndex); + FXSYS_memset(m_ExtGID, 0xff, sizeof m_ExtGID); +} + +CPDF_SimpleFont::~CPDF_SimpleFont() { + delete[] m_pCharNames; +} + +int CPDF_SimpleFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { + if (pVertGlyph) { + *pVertGlyph = FALSE; + } + if (charcode > 0xff) { + return -1; + } + int index = m_GlyphIndex[(uint8_t)charcode]; + if (index == 0xffff) { + return -1; + } + return index; +} + +void CPDF_SimpleFont::LoadCharMetrics(int charcode) { + if (!m_Font.GetFace()) + return; + + if (charcode < 0 || charcode > 0xff) { + return; + } + int glyph_index = m_GlyphIndex[charcode]; + if (glyph_index == 0xffff) { + if (!m_pFontFile && charcode != 32) { + LoadCharMetrics(32); + m_CharBBox[charcode] = m_CharBBox[32]; + if (m_bUseFontWidth) { + m_CharWidth[charcode] = m_CharWidth[32]; + } + } + return; + } + FXFT_Face face = m_Font.GetFace(); + int err = FXFT_Load_Glyph( + face, glyph_index, + FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); + if (err) { + return; + } + m_CharBBox[charcode] = FX_SMALL_RECT( + TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), + TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), + TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), + face), + TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), + face)); + + if (m_bUseFontWidth) { + int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(face), face); + if (m_CharWidth[charcode] == 0xffff) { + m_CharWidth[charcode] = TT_Width; + } else if (TT_Width && !IsEmbedded()) { + m_CharBBox[charcode].right = + m_CharBBox[charcode].right * m_CharWidth[charcode] / TT_Width; + m_CharBBox[charcode].left = + m_CharBBox[charcode].left * m_CharWidth[charcode] / TT_Width; + } + } +} + +int CPDF_SimpleFont::GetCharWidthF(FX_DWORD charcode, int level) { + if (charcode > 0xff) { + charcode = 0; + } + if (m_CharWidth[charcode] == 0xffff) { + LoadCharMetrics(charcode); + if (m_CharWidth[charcode] == 0xffff) { + m_CharWidth[charcode] = 0; + } + } + return (int16_t)m_CharWidth[charcode]; +} + +FX_RECT CPDF_SimpleFont::GetCharBBox(FX_DWORD charcode, int level) { + if (charcode > 0xff) + charcode = 0; + + if (m_CharBBox[charcode].left == FX_SMALL_RECT::kInvalid) + LoadCharMetrics(charcode); + + return FX_RECT(m_CharBBox[charcode]); +} + +FX_BOOL CPDF_SimpleFont::LoadCommon() { + CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); + if (pFontDesc) { + LoadFontDescriptor(pFontDesc); + } + CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); + int width_start = 0, width_end = -1; + m_bUseFontWidth = TRUE; + if (pWidthArray) { + m_bUseFontWidth = FALSE; + if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) { + int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth"); + for (int i = 0; i < 256; i++) { + m_CharWidth[i] = MissingWidth; + } + } + width_start = m_pFontDict->GetIntegerBy("FirstChar", 0); + width_end = m_pFontDict->GetIntegerBy("LastChar", 0); + if (width_start >= 0 && width_start <= 255) { + if (width_end <= 0 || + width_end >= width_start + (int)pWidthArray->GetCount()) { + width_end = width_start + pWidthArray->GetCount() - 1; + } + if (width_end > 255) { + width_end = 255; + } + for (int i = width_start; i <= width_end; i++) { + m_CharWidth[i] = pWidthArray->GetIntegerAt(i - width_start); + } + } + } + if (m_pFontFile) { + if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') { + m_BaseFont = m_BaseFont.Mid(8); + } + } else { + LoadSubstFont(); + } + if (!(m_Flags & PDFFONT_SYMBOLIC)) { + m_BaseEncoding = PDFFONT_ENCODING_STANDARD; + } + CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); + LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, m_pFontFile != NULL, + m_Font.IsTTFont()); + LoadGlyphMap(); + delete[] m_pCharNames; + m_pCharNames = NULL; + if (!m_Font.GetFace()) + return TRUE; + + if (m_Flags & PDFFONT_ALLCAP) { + unsigned char lowercases[] = {'a', 'z', 0xe0, 0xf6, 0xf8, 0xfd}; + for (size_t range = 0; range < sizeof lowercases / 2; range++) { + for (int i = lowercases[range * 2]; i <= lowercases[range * 2 + 1]; i++) { + if (m_GlyphIndex[i] != 0xffff && m_pFontFile) { + continue; + } + m_GlyphIndex[i] = m_GlyphIndex[i - 32]; + if (m_CharWidth[i - 32]) { + m_CharWidth[i] = m_CharWidth[i - 32]; + m_CharBBox[i] = m_CharBBox[i - 32]; + } + } + } + } + CheckFontMetrics(); + return TRUE; +} + +void CPDF_SimpleFont::LoadSubstFont() { + if (!m_bUseFontWidth && !(m_Flags & PDFFONT_FIXEDPITCH)) { + int width = 0, i; + for (i = 0; i < 256; i++) { + if (m_CharWidth[i] == 0 || m_CharWidth[i] == 0xffff) { + continue; + } + if (width == 0) { + width = m_CharWidth[i]; + } else if (width != m_CharWidth[i]) { + break; + } + } + if (i == 256 && width) { + m_Flags |= PDFFONT_FIXEDPITCH; + } + } + int weight = m_StemV < 140 ? m_StemV * 5 : (m_StemV * 4 + 140); + m_Font.LoadSubst(m_BaseFont, IsTrueTypeFont(), m_Flags, weight, m_ItalicAngle, + 0); + if (m_Font.GetSubstFont()->m_SubstFlags & FXFONT_SUBST_NONSYMBOL) { + } +} + +FX_BOOL CPDF_SimpleFont::IsUnicodeCompatible() const { + return m_BaseEncoding != PDFFONT_ENCODING_BUILTIN && + m_BaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && + m_BaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS; +} + +CFX_WideString CPDF_SimpleFont::UnicodeFromCharCode(FX_DWORD charcode) const { + CFX_WideString unicode = CPDF_Font::UnicodeFromCharCode(charcode); + if (!unicode.IsEmpty()) + return unicode; + FX_WCHAR ret = m_Encoding.UnicodeFromCharCode((uint8_t)charcode); + if (ret == 0) + return CFX_WideString(); + return ret; +} + +FX_DWORD CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const { + FX_DWORD ret = CPDF_Font::CharCodeFromUnicode(unicode); + if (ret) + return ret; + return m_Encoding.CharCodeFromUnicode(unicode); +} diff --git a/core/fpdfapi/fpdf_font/cpdf_simplefont.h b/core/fpdfapi/fpdf_font/cpdf_simplefont.h new file mode 100644 index 0000000000..19d6816c9f --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_simplefont.h @@ -0,0 +1,48 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_SIMPLEFONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_SIMPLEFONT_H_ + +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h" +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_SimpleFont : public CPDF_Font { + public: + CPDF_SimpleFont(); + virtual ~CPDF_SimpleFont(); + + // CPDF_Font: + int GetCharWidthF(FX_DWORD charcode, int level = 0) override; + FX_RECT GetCharBBox(FX_DWORD charcode, int level = 0) override; + int GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph = NULL) override; + FX_BOOL IsUnicodeCompatible() const override; + CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const override; + FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const override; + + CPDF_FontEncoding* GetEncoding() { return &m_Encoding; } + + protected: + virtual void LoadGlyphMap() = 0; + + FX_BOOL LoadCommon(); + void LoadSubstFont(); + void LoadFaceMetrics(); + void LoadCharMetrics(int charcode); + + CPDF_FontEncoding m_Encoding; + uint16_t m_GlyphIndex[256]; + uint16_t m_ExtGID[256]; + CFX_ByteString* m_pCharNames; + int m_BaseEncoding; + uint16_t m_CharWidth[256]; + FX_SMALL_RECT m_CharBBox[256]; + FX_BOOL m_bUseFontWidth; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_SIMPLEFONT_H_ diff --git a/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp b/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp new file mode 100644 index 0000000000..13e031808e --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_truetypefont.cpp @@ -0,0 +1,225 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/cpdf_truetypefont.h" + +#include "core/fpdfapi/fpdf_font/font_int.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/include/fxge/fx_font.h" + +CPDF_TrueTypeFont::CPDF_TrueTypeFont() {} + +bool CPDF_TrueTypeFont::IsTrueTypeFont() const { + return true; +} + +const CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() const { + return this; +} + +CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() { + return this; +} + +FX_BOOL CPDF_TrueTypeFont::Load() { + return LoadCommon(); +} + +void CPDF_TrueTypeFont::LoadGlyphMap() { + if (!m_Font.GetFace()) + return; + + int baseEncoding = m_BaseEncoding; + if (m_pFontFile && m_Font.GetFace()->num_charmaps > 0 && + (baseEncoding == PDFFONT_ENCODING_MACROMAN || + baseEncoding == PDFFONT_ENCODING_WINANSI) && + (m_Flags & PDFFONT_SYMBOLIC)) { + FX_BOOL bSupportWin = FALSE; + FX_BOOL bSupportMac = FALSE; + for (int i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.GetFace()); i++) { + int platform_id = FXFT_Get_Charmap_PlatformID( + FXFT_Get_Face_Charmaps(m_Font.GetFace())[i]); + if (platform_id == 0 || platform_id == 3) { + bSupportWin = TRUE; + } else if (platform_id == 0 || platform_id == 1) { + bSupportMac = TRUE; + } + } + if (baseEncoding == PDFFONT_ENCODING_WINANSI && !bSupportWin) { + baseEncoding = + bSupportMac ? PDFFONT_ENCODING_MACROMAN : PDFFONT_ENCODING_BUILTIN; + } else if (baseEncoding == PDFFONT_ENCODING_MACROMAN && !bSupportMac) { + baseEncoding = + bSupportWin ? PDFFONT_ENCODING_WINANSI : PDFFONT_ENCODING_BUILTIN; + } + } + if (((baseEncoding == PDFFONT_ENCODING_MACROMAN || + baseEncoding == PDFFONT_ENCODING_WINANSI) && + !m_pCharNames) || + (m_Flags & PDFFONT_NONSYMBOLIC)) { + if (!FXFT_Has_Glyph_Names(m_Font.GetFace()) && + (!m_Font.GetFace()->num_charmaps || !m_Font.GetFace()->charmaps)) { + int nStartChar = m_pFontDict->GetIntegerBy("FirstChar"); + if (nStartChar < 0 || nStartChar > 255) + return; + + int charcode = 0; + for (; charcode < nStartChar; charcode++) { + m_GlyphIndex[charcode] = 0; + } + uint16_t nGlyph = charcode - nStartChar + 3; + for (; charcode < 256; charcode++, nGlyph++) { + m_GlyphIndex[charcode] = nGlyph; + } + return; + } + FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.GetFace(), 3, 1); + FX_BOOL bMacRoman = FALSE, bMSSymbol = FALSE; + if (!bMSUnicode) { + if (m_Flags & PDFFONT_NONSYMBOLIC) { + bMacRoman = FT_UseTTCharmap(m_Font.GetFace(), 1, 0); + bMSSymbol = !bMacRoman && FT_UseTTCharmap(m_Font.GetFace(), 3, 0); + } else { + bMSSymbol = FT_UseTTCharmap(m_Font.GetFace(), 3, 0); + bMacRoman = !bMSSymbol && FT_UseTTCharmap(m_Font.GetFace(), 1, 0); + } + } + FX_BOOL bToUnicode = m_pFontDict->KeyExist("ToUnicode"); + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(baseEncoding, m_pCharNames, charcode); + if (!name) { + m_GlyphIndex[charcode] = + m_pFontFile ? FXFT_Get_Char_Index(m_Font.GetFace(), charcode) : -1; + continue; + } + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + if (bMSSymbol) { + const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; + for (int j = 0; j < 4; j++) { + uint16_t unicode = prefix[j] * 256 + charcode; + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), unicode); + if (m_GlyphIndex[charcode]) { + break; + } + } + } else if (m_Encoding.m_Unicodes[charcode]) { + if (bMSUnicode) { + m_GlyphIndex[charcode] = FXFT_Get_Char_Index( + m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]); + } else if (bMacRoman) { + FX_DWORD maccode = FT_CharCodeFromUnicode( + FXFT_ENCODING_APPLE_ROMAN, m_Encoding.m_Unicodes[charcode]); + if (!maccode) { + m_GlyphIndex[charcode] = + FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); + } else { + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), maccode); + } + } + } + if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) && + name) { + if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) { + m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 32); + } else { + m_GlyphIndex[charcode] = + FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); + if (m_GlyphIndex[charcode] == 0) { + if (bToUnicode) { + CFX_WideString wsUnicode = UnicodeFromCharCode(charcode); + if (!wsUnicode.IsEmpty()) { + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), wsUnicode[0]); + m_Encoding.m_Unicodes[charcode] = wsUnicode[0]; + } + } + if (m_GlyphIndex[charcode] == 0) { + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), charcode); + } + } + } + } + } + return; + } + if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) { + const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; + FX_BOOL bGotOne = FALSE; + for (int charcode = 0; charcode < 256; charcode++) { + for (int j = 0; j < 4; j++) { + uint16_t unicode = prefix[j] * 256 + charcode; + m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), unicode); + if (m_GlyphIndex[charcode]) { + bGotOne = TRUE; + break; + } + } + } + if (bGotOne) { + if (baseEncoding != PDFFONT_ENCODING_BUILTIN) { + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(baseEncoding, m_pCharNames, charcode); + if (!name) { + continue; + } + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + } + } else if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) { + for (int charcode = 0; charcode < 256; charcode++) { + m_Encoding.m_Unicodes[charcode] = + FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode); + } + } + return; + } + } + if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) { + FX_BOOL bGotOne = FALSE; + for (int charcode = 0; charcode < 256; charcode++) { + m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), charcode); + m_Encoding.m_Unicodes[charcode] = + FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode); + if (m_GlyphIndex[charcode]) { + bGotOne = TRUE; + } + } + if (m_pFontFile || bGotOne) { + return; + } + } + if (FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE) == 0) { + FX_BOOL bGotOne = FALSE; + const uint16_t* pUnicodes = PDF_UnicodesForPredefinedCharSet(baseEncoding); + for (int charcode = 0; charcode < 256; charcode++) { + if (m_pFontFile) { + m_Encoding.m_Unicodes[charcode] = charcode; + } else { + const FX_CHAR* name = GetAdobeCharName(0, m_pCharNames, charcode); + if (name) { + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + } else if (pUnicodes) { + m_Encoding.m_Unicodes[charcode] = pUnicodes[charcode]; + } + } + m_GlyphIndex[charcode] = FXFT_Get_Char_Index( + m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]); + if (m_GlyphIndex[charcode]) { + bGotOne = TRUE; + } + } + if (bGotOne) { + return; + } + } + for (int charcode = 0; charcode < 256; charcode++) { + m_GlyphIndex[charcode] = charcode; + } +} diff --git a/core/fpdfapi/fpdf_font/cpdf_truetypefont.h b/core/fpdfapi/fpdf_font/cpdf_truetypefont.h new file mode 100644 index 0000000000..46b19e513d --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_truetypefont.h @@ -0,0 +1,30 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_TRUETYPEFONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_TRUETYPEFONT_H_ + +#include "core/fpdfapi/fpdf_font/cpdf_simplefont.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_TrueTypeFont : public CPDF_SimpleFont { + public: + CPDF_TrueTypeFont(); + + // CPDF_Font: + bool IsTrueTypeFont() const override; + const CPDF_TrueTypeFont* AsTrueTypeFont() const override; + CPDF_TrueTypeFont* AsTrueTypeFont() override; + + protected: + // CPDF_Font: + FX_BOOL Load() override; + + // CPDF_SimpleFont: + void LoadGlyphMap() override; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_TRUETYPEFONT_H_ diff --git a/core/fpdfapi/fpdf_font/cpdf_type1font.cpp b/core/fpdfapi/fpdf_font/cpdf_type1font.cpp new file mode 100644 index 0000000000..5a6ee34362 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_type1font.cpp @@ -0,0 +1,403 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/cpdf_type1font.h" + +#include "core/fpdfapi/fpdf_font/font_int.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/include/fxge/fx_freetype.h" + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ +#include "core/fxge/apple/apple_int.h" +#endif + +namespace { + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ +struct GlyphNameMap { + const FX_CHAR* m_pStrAdobe; + const FX_CHAR* m_pStrUnicode; +}; + +const GlyphNameMap g_GlyphNameSubsts[] = {{"ff", "uniFB00"}, + {"fi", "uniFB01"}, + {"fl", "uniFB02"}, + {"ffi", "uniFB03"}, + {"ffl", "uniFB04"}}; + +int compareString(const void* key, const void* element) { + return FXSYS_stricmp((const FX_CHAR*)key, + ((GlyphNameMap*)element)->m_pStrAdobe); +} + +const FX_CHAR* GlyphNameRemap(const FX_CHAR* pStrAdobe) { + GlyphNameMap* found = (GlyphNameMap*)FXSYS_bsearch( + pStrAdobe, g_GlyphNameSubsts, + sizeof(g_GlyphNameSubsts) / sizeof(GlyphNameMap), sizeof(GlyphNameMap), + compareString); + if (found) + return found->m_pStrUnicode; + return NULL; +} + +#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + +FX_BOOL FT_UseType1Charmap(FXFT_Face face) { + if (FXFT_Get_Face_CharmapCount(face) == 0) { + return FALSE; + } + if (FXFT_Get_Face_CharmapCount(face) == 1 && + FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) == + FXFT_ENCODING_UNICODE) { + return FALSE; + } + if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) == + FXFT_ENCODING_UNICODE) { + FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[1]); + } else { + FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); + } + return TRUE; +} + +} // namespace + +CPDF_Type1Font::CPDF_Type1Font() : m_Base14Font(-1) {} + +bool CPDF_Type1Font::IsType1Font() const { + return true; +} + +const CPDF_Type1Font* CPDF_Type1Font::AsType1Font() const { + return this; +} + +CPDF_Type1Font* CPDF_Type1Font::AsType1Font() { + return this; +} + +FX_BOOL CPDF_Type1Font::Load() { + m_Base14Font = PDF_GetStandardFontName(&m_BaseFont); + if (m_Base14Font >= 0) { + CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); + if (pFontDesc && pFontDesc->KeyExist("Flags")) + m_Flags = pFontDesc->GetIntegerBy("Flags"); + else + m_Flags = m_Base14Font >= 12 ? PDFFONT_SYMBOLIC : PDFFONT_NONSYMBOLIC; + + if (m_Base14Font < 4) { + for (int i = 0; i < 256; i++) + m_CharWidth[i] = 600; + } + if (m_Base14Font == 12) + m_BaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL; + else if (m_Base14Font == 13) + m_BaseEncoding = PDFFONT_ENCODING_ZAPFDINGBATS; + else if (m_Flags & PDFFONT_NONSYMBOLIC) + m_BaseEncoding = PDFFONT_ENCODING_STANDARD; + } + return LoadCommon(); +} + +int CPDF_Type1Font::GlyphFromCharCodeExt(FX_DWORD charcode) { + if (charcode > 0xff) { + return -1; + } + int index = m_ExtGID[(uint8_t)charcode]; + if (index == 0xffff) { + return -1; + } + return index; +} + +void CPDF_Type1Font::LoadGlyphMap() { + if (!m_Font.GetFace()) + return; + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + FX_BOOL bCoreText = TRUE; + CQuartz2D& quartz2d = + ((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d; + if (!m_Font.GetPlatformFont()) { + if (m_Font.GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) { + bCoreText = FALSE; + } + m_Font.SetPlatformFont( + quartz2d.CreateFont(m_Font.GetFontData(), m_Font.GetSize())); + if (!m_Font.GetPlatformFont()) { + bCoreText = FALSE; + } + } +#endif + if (!IsEmbedded() && (m_Base14Font < 12) && m_Font.IsTTFont()) { + if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) { + FX_BOOL bGotOne = FALSE; + for (int charcode = 0; charcode < 256; charcode++) { + const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; + for (int j = 0; j < 4; j++) { + uint16_t unicode = prefix[j] * 256 + charcode; + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), unicode); +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + FX_CHAR name_glyph[256]; + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], + name_glyph, 256); + name_glyph[255] = 0; + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } +#endif + if (m_GlyphIndex[charcode]) { + bGotOne = TRUE; + break; + } + } + } + if (bGotOne) { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (!bCoreText) { + FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); + } +#endif + return; + } + } + FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); + if (m_BaseEncoding == 0) { + m_BaseEncoding = PDFFONT_ENCODING_STANDARD; + } + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); + if (!name) { + continue; + } + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + m_GlyphIndex[charcode] = FXFT_Get_Char_Index( + m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]); +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + FX_CHAR name_glyph[256]; + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], name_glyph, + 256); + name_glyph[255] = 0; + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } +#endif + if (m_GlyphIndex[charcode] == 0 && FXSYS_strcmp(name, ".notdef") == 0) { + m_Encoding.m_Unicodes[charcode] = 0x20; + m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 0x20); +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + FX_CHAR name_glyph[256]; + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], + name_glyph, 256); + name_glyph[255] = 0; + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } +#endif + } + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (!bCoreText) { + FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); + } +#endif + return; + } + FT_UseType1Charmap(m_Font.GetFace()); +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (bCoreText) { + if (m_Flags & PDFFONT_SYMBOLIC) { + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); + if (name) { + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + m_GlyphIndex[charcode] = + FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } + } else { + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), charcode); + FX_WCHAR unicode = 0; + if (m_GlyphIndex[charcode]) { + unicode = + FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode); + } + FX_CHAR name_glyph[256]; + FXSYS_memset(name_glyph, 0, sizeof(name_glyph)); + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], + name_glyph, 256); + name_glyph[255] = 0; + if (unicode == 0 && name_glyph[0] != 0) { + unicode = PDF_UnicodeFromAdobeName(name_glyph); + } + m_Encoding.m_Unicodes[charcode] = unicode; + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } + } + } + return; + } + FX_BOOL bUnicode = FALSE; + if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) { + bUnicode = TRUE; + } + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); + if (!name) { + continue; + } + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + const FX_CHAR* pStrUnicode = GlyphNameRemap(name); + if (pStrUnicode && + 0 == FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name)) { + name = pStrUnicode; + } + m_GlyphIndex[charcode] = + FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name, kCFStringEncodingASCII, kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } + if (m_GlyphIndex[charcode] == 0) { + if (FXSYS_strcmp(name, ".notdef") != 0 && + FXSYS_strcmp(name, "space") != 0) { + m_GlyphIndex[charcode] = FXFT_Get_Char_Index( + m_Font.GetFace(), + bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode); + FX_CHAR name_glyph[256]; + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], + name_glyph, 256); + name_glyph[255] = 0; + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } + } else { + m_Encoding.m_Unicodes[charcode] = 0x20; + m_GlyphIndex[charcode] = + bUnicode ? FXFT_Get_Char_Index(m_Font.GetFace(), 0x20) : 0xffff; + FX_CHAR name_glyph[256]; + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], + name_glyph, 256); + name_glyph[255] = 0; + CFStringRef name_ct = CFStringCreateWithCStringNoCopy( + kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, + kCFAllocatorNull); + m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( + (CGFontRef)m_Font.GetPlatformFont(), name_ct); + if (name_ct) { + CFRelease(name_ct); + } + } + } + } + return; + } +#endif + if (m_Flags & PDFFONT_SYMBOLIC) { + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); + if (name) { + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + m_GlyphIndex[charcode] = + FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); + } else { + m_GlyphIndex[charcode] = + FXFT_Get_Char_Index(m_Font.GetFace(), charcode); + if (m_GlyphIndex[charcode]) { + FX_WCHAR unicode = + FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode); + if (unicode == 0) { + FX_CHAR name_glyph[256]; + FXSYS_memset(name_glyph, 0, sizeof(name_glyph)); + FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], + name_glyph, 256); + name_glyph[255] = 0; + if (name_glyph[0] != 0) { + unicode = PDF_UnicodeFromAdobeName(name_glyph); + } + } + m_Encoding.m_Unicodes[charcode] = unicode; + } + } + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (!bCoreText) { + FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); + } +#endif + return; + } + FX_BOOL bUnicode = FALSE; + if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) { + bUnicode = TRUE; + } + for (int charcode = 0; charcode < 256; charcode++) { + const FX_CHAR* name = + GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); + if (!name) { + continue; + } + m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); + m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); + if (m_GlyphIndex[charcode] == 0) { + if (FXSYS_strcmp(name, ".notdef") != 0 && + FXSYS_strcmp(name, "space") != 0) { + m_GlyphIndex[charcode] = FXFT_Get_Char_Index( + m_Font.GetFace(), + bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode); + } else { + m_Encoding.m_Unicodes[charcode] = 0x20; + m_GlyphIndex[charcode] = 0xffff; + } + } + } +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ + if (!bCoreText) { + FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); + } +#endif +} diff --git a/core/fpdfapi/fpdf_font/cpdf_type1font.h b/core/fpdfapi/fpdf_font/cpdf_type1font.h new file mode 100644 index 0000000000..da82cd4417 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_type1font.h @@ -0,0 +1,35 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE1FONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE1FONT_H_ + +#include "core/fpdfapi/fpdf_font/cpdf_simplefont.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Type1Font : public CPDF_SimpleFont { + public: + CPDF_Type1Font(); + + // CPDF_Font: + bool IsType1Font() const override; + const CPDF_Type1Font* AsType1Font() const override; + CPDF_Type1Font* AsType1Font() override; + int GlyphFromCharCodeExt(FX_DWORD charcode) override; + + int GetBase14Font() const { return m_Base14Font; } + + protected: + // CPDF_Font: + FX_BOOL Load() override; + + // CPDF_SimpleFont: + void LoadGlyphMap() override; + + int m_Base14Font; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE1FONT_H_ diff --git a/core/fpdfapi/fpdf_font/cpdf_type3char.cpp b/core/fpdfapi/fpdf_font/cpdf_type3char.cpp new file mode 100644 index 0000000000..c9d44435a3 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_type3char.cpp @@ -0,0 +1,43 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/cpdf_type3char.h" + +#include "core/fpdfapi/fpdf_page/include/cpdf_form.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" +#include "core/include/fxge/fx_dib.h" + +CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm) + : m_pForm(pForm), m_pBitmap(nullptr), m_bColored(FALSE) {} + +CPDF_Type3Char::~CPDF_Type3Char() { + delete m_pForm; + delete m_pBitmap; +} + +FX_BOOL CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext) { + if (m_pBitmap || !m_pForm) { + return TRUE; + } + if (m_pForm->GetPageObjectList()->size() == 1 && !m_bColored) { + auto& pPageObj = m_pForm->GetPageObjectList()->front(); + if (pPageObj->IsImage()) { + m_ImageMatrix = pPageObj->AsImage()->m_Matrix; + const CFX_DIBSource* pSource = + pPageObj->AsImage()->m_pImage->LoadDIBSource(); + if (pSource) { + m_pBitmap = pSource->Clone(); + delete pSource; + } + delete m_pForm; + m_pForm = NULL; + return TRUE; + } + } + return FALSE; +} diff --git a/core/fpdfapi/fpdf_font/cpdf_type3char.h b/core/fpdfapi/fpdf_font/cpdf_type3char.h new file mode 100644 index 0000000000..c67620b5f6 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_type3char.h @@ -0,0 +1,33 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3CHAR_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3CHAR_H_ + +#include "core/fxcrt/include/fx_coordinates.h" +#include "core/fxcrt/include/fx_system.h" + +class CFX_DIBitmap; +class CPDF_Form; +class CPDF_RenderContext; + +class CPDF_Type3Char { + public: + // Takes ownership of |pForm|. + explicit CPDF_Type3Char(CPDF_Form* pForm); + ~CPDF_Type3Char(); + + FX_BOOL LoadBitmap(CPDF_RenderContext* pContext); + + CPDF_Form* m_pForm; + CFX_DIBitmap* m_pBitmap; + FX_BOOL m_bColored; + int m_Width; + CFX_Matrix m_ImageMatrix; + FX_RECT m_BBox; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3CHAR_H_ diff --git a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp new file mode 100644 index 0000000000..91a03a9830 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp @@ -0,0 +1,162 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_font/cpdf_type3font.h" + +#include "core/fpdfapi/fpdf_font/cpdf_type3char.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_form.h" +#include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fxcrt/include/fx_system.h" +#include "third_party/base/stl_util.h" + +CPDF_Type3Font::CPDF_Type3Font() + : m_pCharProcs(nullptr), + m_pPageResources(nullptr), + m_pFontResources(nullptr) { + FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL)); +} + +CPDF_Type3Font::~CPDF_Type3Font() { + for (auto it : m_CacheMap) + delete it.second; +} + +bool CPDF_Type3Font::IsType3Font() const { + return true; +} + +const CPDF_Type3Font* CPDF_Type3Font::AsType3Font() const { + return this; +} + +CPDF_Type3Font* CPDF_Type3Font::AsType3Font() { + return this; +} + +FX_BOOL CPDF_Type3Font::Load() { + m_pFontResources = m_pFontDict->GetDictBy("Resources"); + CPDF_Array* pMatrix = m_pFontDict->GetArrayBy("FontMatrix"); + FX_FLOAT xscale = 1.0f, yscale = 1.0f; + if (pMatrix) { + m_FontMatrix = pMatrix->GetMatrix(); + xscale = m_FontMatrix.a; + yscale = m_FontMatrix.d; + } + CPDF_Array* pBBox = m_pFontDict->GetArrayBy("FontBBox"); + if (pBBox) { + m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000); + m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000); + m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000); + m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000); + } + int StartChar = m_pFontDict->GetIntegerBy("FirstChar"); + CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); + if (pWidthArray && (StartChar >= 0 && StartChar < 256)) { + FX_DWORD count = pWidthArray->GetCount(); + if (count > 256) { + count = 256; + } + if (StartChar + count > 256) { + count = 256 - StartChar; + } + for (FX_DWORD i = 0; i < count; i++) { + m_CharWidthL[StartChar + i] = + FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000); + } + } + m_pCharProcs = m_pFontDict->GetDictBy("CharProcs"); + CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); + if (pEncoding) { + LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, FALSE, FALSE); + if (m_pCharNames) { + for (int i = 0; i < 256; i++) { + m_Encoding.m_Unicodes[i] = PDF_UnicodeFromAdobeName(m_pCharNames[i]); + if (m_Encoding.m_Unicodes[i] == 0) { + m_Encoding.m_Unicodes[i] = i; + } + } + } + } + return TRUE; +} + +void CPDF_Type3Font::CheckType3FontMetrics() { + CheckFontMetrics(); +} + +CPDF_Type3Char* CPDF_Type3Font::LoadChar(FX_DWORD charcode, int level) { + if (level >= _FPDF_MAX_TYPE3_FORM_LEVEL_) + return nullptr; + + auto it = m_CacheMap.find(charcode); + if (it != m_CacheMap.end()) + return it->second; + + const FX_CHAR* name = + GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); + if (!name) + return nullptr; + + CPDF_Stream* pStream = + ToStream(m_pCharProcs ? m_pCharProcs->GetElementValue(name) : nullptr); + if (!pStream) + return nullptr; + + std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form( + m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources, + pStream, nullptr))); + + // This can trigger recursion into this method. The content of |m_CacheMap| + // can change as a result. Thus after it returns, check the cache again for + // a cache hit. + pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get(), nullptr, + level + 1); + it = m_CacheMap.find(charcode); + if (it != m_CacheMap.end()) + return it->second; + + FX_FLOAT scale = m_FontMatrix.GetXUnit(); + pNewChar->m_Width = (int32_t)(pNewChar->m_Width * scale + 0.5f); + FX_RECT& rcBBox = pNewChar->m_BBox; + CFX_FloatRect char_rect( + (FX_FLOAT)rcBBox.left / 1000.0f, (FX_FLOAT)rcBBox.bottom / 1000.0f, + (FX_FLOAT)rcBBox.right / 1000.0f, (FX_FLOAT)rcBBox.top / 1000.0f); + if (rcBBox.right <= rcBBox.left || rcBBox.bottom >= rcBBox.top) + char_rect = pNewChar->m_pForm->CalcBoundingBox(); + + char_rect.Transform(&m_FontMatrix); + rcBBox.left = FXSYS_round(char_rect.left * 1000); + rcBBox.right = FXSYS_round(char_rect.right * 1000); + rcBBox.top = FXSYS_round(char_rect.top * 1000); + rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000); + + ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode)); + CPDF_Type3Char* pCachedChar = pNewChar.release(); + m_CacheMap[charcode] = pCachedChar; + if (pCachedChar->m_pForm->GetPageObjectList()->empty()) { + delete pCachedChar->m_pForm; + pCachedChar->m_pForm = nullptr; + } + return pCachedChar; +} + +int CPDF_Type3Font::GetCharWidthF(FX_DWORD charcode, int level) { + if (charcode >= FX_ArraySize(m_CharWidthL)) + charcode = 0; + + if (m_CharWidthL[charcode]) + return m_CharWidthL[charcode]; + + const CPDF_Type3Char* pChar = LoadChar(charcode, level); + return pChar ? pChar->m_Width : 0; +} + +FX_RECT CPDF_Type3Font::GetCharBBox(FX_DWORD charcode, int level) { + const CPDF_Type3Char* pChar = LoadChar(charcode, level); + return pChar ? pChar->m_BBox : FX_RECT(); +} diff --git a/core/fpdfapi/fpdf_font/cpdf_type3font.h b/core/fpdfapi/fpdf_font/cpdf_type3font.h new file mode 100644 index 0000000000..554556934e --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_type3font.h @@ -0,0 +1,56 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3FONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3FONT_H_ + +#include <map> + +#include "core/fpdfapi/fpdf_font/cpdf_simplefont.h" +#include "core/fxcrt/include/fx_coordinates.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Dictionary; +class CPDF_Type3Char; + +class CPDF_Type3Font : public CPDF_SimpleFont { + public: + CPDF_Type3Font(); + ~CPDF_Type3Font() override; + + // CPDF_Font: + bool IsType3Font() const override; + const CPDF_Type3Font* AsType3Font() const override; + CPDF_Type3Font* AsType3Font() override; + int GetCharWidthF(FX_DWORD charcode, int level = 0) override; + FX_RECT GetCharBBox(FX_DWORD charcode, int level = 0) override; + + void SetPageResources(CPDF_Dictionary* pResources) { + m_pPageResources = pResources; + } + CPDF_Type3Char* LoadChar(FX_DWORD charcode, int level = 0); + void CheckType3FontMetrics(); + + CFX_Matrix& GetFontMatrix() { return m_FontMatrix; } + + protected: + CFX_Matrix m_FontMatrix; + + private: + // CPDF_Font: + FX_BOOL Load() override; + + // CPDF_SimpleFont: + void LoadGlyphMap() override {} + + int m_CharWidthL[256]; + CPDF_Dictionary* m_pCharProcs; + CPDF_Dictionary* m_pPageResources; + CPDF_Dictionary* m_pFontResources; + std::map<FX_DWORD, CPDF_Type3Char*> m_CacheMap; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3FONT_H_ diff --git a/core/fpdfapi/fpdf_font/font_int.h b/core/fpdfapi/fpdf_font/font_int.h index 74380f1147..b9b5b5327d 100644 --- a/core/fpdfapi/fpdf_font/font_int.h +++ b/core/fpdfapi/fpdf_font/font_int.h @@ -10,8 +10,8 @@ #include <map> #include <memory> +#include "core/fpdfapi/fpdf_font/cpdf_cidfont.h" #include "core/fxcrt/include/fx_basic.h" -#include "core/include/fpdfapi/fpdf_resource.h" class CPDF_CID2UnicodeMap; class CPDF_CMap; @@ -22,6 +22,7 @@ typedef void* FXFT_Library; short TT2PDF(int m, FXFT_Face face); FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id); +CIDSet CharsetFromOrdering(const CFX_ByteString& ordering); class CPDF_CMapManager { public: diff --git a/core/fpdfapi/fpdf_font/fpdf_font.cpp b/core/fpdfapi/fpdf_font/fpdf_font.cpp index 8dc91616f9..c0c6f520f4 100644 --- a/core/fpdfapi/fpdf_font/fpdf_font.cpp +++ b/core/fpdfapi/fpdf_font/fpdf_font.cpp @@ -14,87 +14,12 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_name.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_number.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fxcrt/include/fx_ext.h" -#include "core/include/fpdfapi/fpdf_resource.h" #include "core/include/fxge/fx_freetype.h" #include "third_party/base/stl_util.h" -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ -#include "core/fxge/apple/apple_int.h" -#endif - -namespace { - -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ -struct GlyphNameMap { - const FX_CHAR* m_pStrAdobe; - const FX_CHAR* m_pStrUnicode; -}; - -const GlyphNameMap g_GlyphNameSubsts[] = {{"ff", "uniFB00"}, - {"fi", "uniFB01"}, - {"fl", "uniFB02"}, - {"ffi", "uniFB03"}, - {"ffl", "uniFB04"}}; - -int compareString(const void* key, const void* element) { - return FXSYS_stricmp((const FX_CHAR*)key, - ((GlyphNameMap*)element)->m_pStrAdobe); -} - -const FX_CHAR* GlyphNameRemap(const FX_CHAR* pStrAdobe) { - GlyphNameMap* found = (GlyphNameMap*)FXSYS_bsearch( - pStrAdobe, g_GlyphNameSubsts, - sizeof(g_GlyphNameSubsts) / sizeof(GlyphNameMap), sizeof(GlyphNameMap), - compareString); - if (found) - return found->m_pStrUnicode; - return NULL; -} -#endif - -const uint8_t ChineseFontNames[][5] = {{0xCB, 0xCE, 0xCC, 0xE5, 0x00}, - {0xBF, 0xAC, 0xCC, 0xE5, 0x00}, - {0xBA, 0xDA, 0xCC, 0xE5, 0x00}, - {0xB7, 0xC2, 0xCB, 0xCE, 0x00}, - {0xD0, 0xC2, 0xCB, 0xCE, 0x00}}; - -FX_BOOL GetPredefinedEncoding(int& basemap, const CFX_ByteString& value) { - if (value == "WinAnsiEncoding") { - basemap = PDFFONT_ENCODING_WINANSI; - } else if (value == "MacRomanEncoding") { - basemap = PDFFONT_ENCODING_MACROMAN; - } else if (value == "MacExpertEncoding") { - basemap = PDFFONT_ENCODING_MACEXPERT; - } else if (value == "PDFDocEncoding") { - basemap = PDFFONT_ENCODING_PDFDOC; - } else { - return FALSE; - } - return TRUE; -} - -FX_BOOL FT_UseType1Charmap(FXFT_Face face) { - if (FXFT_Get_Face_CharmapCount(face) == 0) { - return FALSE; - } - if (FXFT_Get_Face_CharmapCount(face) == 1 && - FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) == - FXFT_ENCODING_UNICODE) { - return FALSE; - } - if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) == - FXFT_ENCODING_UNICODE) { - FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[1]); - } else { - FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); - } - return TRUE; -} - -} // namespace - FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id) { for (int i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { if (FXFT_Get_Charmap_PlatformID(FXFT_Get_Face_Charmaps(face)[i]) == @@ -156,356 +81,15 @@ void CPDF_FontGlobals::Clear(CPDF_Document* pDoc) { m_StockMap.erase(pDoc); } -CPDF_Font::CPDF_Font() - : m_pFontFile(nullptr), - m_pFontDict(nullptr), - m_pToUnicodeMap(nullptr), - m_bToUnicodeLoaded(FALSE), - m_Flags(0), - m_StemV(0), - m_Ascent(0), - m_Descent(0), - m_ItalicAngle(0) {} - -CPDF_Font::~CPDF_Font() { - delete m_pToUnicodeMap; - m_pToUnicodeMap = NULL; - - if (m_pFontFile) { - m_pDocument->GetPageData()->ReleaseFontFileStreamAcc( - const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream())); - } -} - -bool CPDF_Font::IsType1Font() const { - return false; -} - -bool CPDF_Font::IsTrueTypeFont() const { - return false; -} - -bool CPDF_Font::IsType3Font() const { - return false; -} - -bool CPDF_Font::IsCIDFont() const { - return false; -} - -const CPDF_Type1Font* CPDF_Font::AsType1Font() const { - return nullptr; -} - -CPDF_Type1Font* CPDF_Font::AsType1Font() { - return nullptr; -} - -const CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() const { - return nullptr; -} - -CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() { - return nullptr; -} - -const CPDF_Type3Font* CPDF_Font::AsType3Font() const { - return nullptr; -} - -CPDF_Type3Font* CPDF_Font::AsType3Font() { - return nullptr; -} - -const CPDF_CIDFont* CPDF_Font::AsCIDFont() const { - return nullptr; -} - -CPDF_CIDFont* CPDF_Font::AsCIDFont() { - return nullptr; -} - -FX_BOOL CPDF_Font::IsUnicodeCompatible() const { - return FALSE; -} - -int CPDF_Font::CountChar(const FX_CHAR* pString, int size) const { - return size; -} - -int CPDF_Font::GetCharSize(FX_DWORD charcode) const { - return 1; -} - -int CPDF_Font::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { - ASSERT(false); - return 0; -} - -int CPDF_Font::GlyphFromCharCodeExt(FX_DWORD charcode) { - return GlyphFromCharCode(charcode); -} - -FX_BOOL CPDF_Font::IsVertWriting() const { - FX_BOOL bVertWriting = FALSE; - const CPDF_CIDFont* pCIDFont = AsCIDFont(); - if (pCIDFont) { - bVertWriting = pCIDFont->IsVertWriting(); - } else { - bVertWriting = m_Font.IsVertical(); - } - return bVertWriting; -} - -int CPDF_Font::AppendChar(FX_CHAR* buf, FX_DWORD charcode) const { - *buf = (FX_CHAR)charcode; - return 1; -} - -void CPDF_Font::AppendChar(CFX_ByteString& str, FX_DWORD charcode) const { - char buf[4]; - int len = AppendChar(buf, charcode); - if (len == 1) { - str += buf[0]; - } else { - str += CFX_ByteString(buf, len); - } -} - -CFX_WideString CPDF_Font::UnicodeFromCharCode(FX_DWORD charcode) const { - if (!m_bToUnicodeLoaded) - ((CPDF_Font*)this)->LoadUnicodeMap(); - - if (m_pToUnicodeMap) - return m_pToUnicodeMap->Lookup(charcode); - return CFX_WideString(); -} - -FX_DWORD CPDF_Font::CharCodeFromUnicode(FX_WCHAR unicode) const { - if (!m_bToUnicodeLoaded) - ((CPDF_Font*)this)->LoadUnicodeMap(); - - if (m_pToUnicodeMap) - return m_pToUnicodeMap->ReverseLookup(unicode); - return 0; -} - -void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) { - m_Flags = pFontDesc->GetIntegerBy("Flags", PDFFONT_NONSYMBOLIC); - int ItalicAngle = 0; - FX_BOOL bExistItalicAngle = FALSE; - if (pFontDesc->KeyExist("ItalicAngle")) { - ItalicAngle = pFontDesc->GetIntegerBy("ItalicAngle"); - bExistItalicAngle = TRUE; - } - if (ItalicAngle < 0) { - m_Flags |= PDFFONT_ITALIC; - m_ItalicAngle = ItalicAngle; - } - FX_BOOL bExistStemV = FALSE; - if (pFontDesc->KeyExist("StemV")) { - m_StemV = pFontDesc->GetIntegerBy("StemV"); - bExistStemV = TRUE; - } - FX_BOOL bExistAscent = FALSE; - if (pFontDesc->KeyExist("Ascent")) { - m_Ascent = pFontDesc->GetIntegerBy("Ascent"); - bExistAscent = TRUE; - } - FX_BOOL bExistDescent = FALSE; - if (pFontDesc->KeyExist("Descent")) { - m_Descent = pFontDesc->GetIntegerBy("Descent"); - bExistDescent = TRUE; - } - FX_BOOL bExistCapHeight = FALSE; - if (pFontDesc->KeyExist("CapHeight")) { - bExistCapHeight = TRUE; - } - if (bExistItalicAngle && bExistAscent && bExistCapHeight && bExistDescent && - bExistStemV) { - m_Flags |= PDFFONT_USEEXTERNATTR; - } - if (m_Descent > 10) { - m_Descent = -m_Descent; - } - CPDF_Array* pBBox = pFontDesc->GetArrayBy("FontBBox"); - if (pBBox) { - m_FontBBox.left = pBBox->GetIntegerAt(0); - m_FontBBox.bottom = pBBox->GetIntegerAt(1); - m_FontBBox.right = pBBox->GetIntegerAt(2); - m_FontBBox.top = pBBox->GetIntegerAt(3); - } - - CPDF_Stream* pFontFile = pFontDesc->GetStreamBy("FontFile"); - if (!pFontFile) - pFontFile = pFontDesc->GetStreamBy("FontFile2"); - if (!pFontFile) - pFontFile = pFontDesc->GetStreamBy("FontFile3"); - if (!pFontFile) - return; - - m_pFontFile = m_pDocument->LoadFontFile(pFontFile); - if (!m_pFontFile) - return; - const uint8_t* pFontData = m_pFontFile->GetData(); - FX_DWORD dwFontSize = m_pFontFile->GetSize(); - if (!m_Font.LoadEmbedded(pFontData, dwFontSize)) { - m_pDocument->GetPageData()->ReleaseFontFileStreamAcc( - const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream())); - m_pFontFile = nullptr; - } -} short TT2PDF(int m, FXFT_Face face) { int upm = FXFT_Get_Face_UnitsPerEM(face); - if (upm == 0) { + if (upm == 0) return (short)m; - } return (m * 1000 + upm / 2) / upm; } -void CPDF_Font::CheckFontMetrics() { - if (m_FontBBox.top == 0 && m_FontBBox.bottom == 0 && m_FontBBox.left == 0 && - m_FontBBox.right == 0) { - FXFT_Face face = m_Font.GetFace(); - if (face) { - m_FontBBox.left = TT2PDF(FXFT_Get_Face_xMin(face), face); - m_FontBBox.bottom = TT2PDF(FXFT_Get_Face_yMin(face), face); - m_FontBBox.right = TT2PDF(FXFT_Get_Face_xMax(face), face); - m_FontBBox.top = TT2PDF(FXFT_Get_Face_yMax(face), face); - m_Ascent = TT2PDF(FXFT_Get_Face_Ascender(face), face); - m_Descent = TT2PDF(FXFT_Get_Face_Descender(face), face); - } else { - FX_BOOL bFirst = TRUE; - for (int i = 0; i < 256; i++) { - FX_RECT rect = GetCharBBox(i); - if (rect.left == rect.right) { - continue; - } - if (bFirst) { - m_FontBBox = rect; - bFirst = FALSE; - } else { - if (m_FontBBox.top < rect.top) { - m_FontBBox.top = rect.top; - } - if (m_FontBBox.right < rect.right) { - m_FontBBox.right = rect.right; - } - if (m_FontBBox.left > rect.left) { - m_FontBBox.left = rect.left; - } - if (m_FontBBox.bottom > rect.bottom) { - m_FontBBox.bottom = rect.bottom; - } - } - } - } - } - if (m_Ascent == 0 && m_Descent == 0) { - FX_RECT rect = GetCharBBox('A'); - m_Ascent = rect.bottom == rect.top ? m_FontBBox.top : rect.top; - rect = GetCharBBox('g'); - m_Descent = rect.bottom == rect.top ? m_FontBBox.bottom : rect.bottom; - } -} - -void CPDF_Font::LoadUnicodeMap() { - m_bToUnicodeLoaded = TRUE; - CPDF_Stream* pStream = m_pFontDict->GetStreamBy("ToUnicode"); - if (!pStream) { - return; - } - m_pToUnicodeMap = new CPDF_ToUnicodeMap; - m_pToUnicodeMap->Load(pStream); -} - -int CPDF_Font::GetStringWidth(const FX_CHAR* pString, int size) { - int offset = 0; - int width = 0; - while (offset < size) { - FX_DWORD charcode = GetNextChar(pString, size, offset); - width += GetCharWidthF(charcode); - } - return width; -} - -CPDF_Font* CPDF_Font::GetStockFont(CPDF_Document* pDoc, - const CFX_ByteStringC& name) { - CFX_ByteString fontname(name); - int font_id = PDF_GetStandardFontName(&fontname); - if (font_id < 0) { - return nullptr; - } - CPDF_FontGlobals* pFontGlobals = - CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); - CPDF_Font* pFont = pFontGlobals->Find(pDoc, font_id); - if (pFont) { - return pFont; - } - CPDF_Dictionary* pDict = new CPDF_Dictionary; - pDict->SetAtName("Type", "Font"); - pDict->SetAtName("Subtype", "Type1"); - pDict->SetAtName("BaseFont", fontname); - pDict->SetAtName("Encoding", "WinAnsiEncoding"); - pFont = CPDF_Font::CreateFontF(NULL, pDict); - pFontGlobals->Set(pDoc, font_id, pFont); - return pFont; -} - -CPDF_Font* CPDF_Font::CreateFontF(CPDF_Document* pDoc, - CPDF_Dictionary* pFontDict) { - CFX_ByteString type = pFontDict->GetStringBy("Subtype"); - CPDF_Font* pFont; - if (type == "TrueType") { - { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ || \ - _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || \ - _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_ || \ - _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - CFX_ByteString basefont = pFontDict->GetStringBy("BaseFont"); - CFX_ByteString tag = basefont.Left(4); - int i; - int count = sizeof(ChineseFontNames) / sizeof(ChineseFontNames[0]); - for (i = 0; i < count; ++i) { - if (tag == CFX_ByteString((const FX_CHAR*)ChineseFontNames[i])) { - break; - } - } - if (i < count) { - CPDF_Dictionary* pFontDesc = pFontDict->GetDictBy("FontDescriptor"); - if (!pFontDesc || !pFontDesc->KeyExist("FontFile2")) { - pFont = new CPDF_CIDFont; - pFont->m_pFontDict = pFontDict; - pFont->m_pDocument = pDoc; - pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont"); - if (!pFont->Load()) { - delete pFont; - return NULL; - } - return pFont; - } - } -#endif - } - pFont = new CPDF_TrueTypeFont; - } else if (type == "Type3") { - pFont = new CPDF_Type3Font; - } else if (type == "Type0") { - pFont = new CPDF_CIDFont; - } else { - pFont = new CPDF_Type1Font; - } - pFont->m_pFontDict = pFontDict; - pFont->m_pDocument = pDoc; - pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont"); - if (!pFont->Load()) { - delete pFont; - return NULL; - } - return pFont; -} CFX_WideString CPDF_ToUnicodeMap::Lookup(FX_DWORD charcode) { auto it = m_Map.find(charcode); @@ -716,1098 +300,3 @@ void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) { m_pBaseMap = NULL; } } - -FX_DWORD CPDF_Font::GetNextChar(const FX_CHAR* pString, - int nStrLen, - int& offset) const { - if (offset < 0 || nStrLen < 1) { - return 0; - } - uint8_t ch = offset < nStrLen ? pString[offset++] : pString[nStrLen - 1]; - return static_cast<FX_DWORD>(ch); -} - -void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding, - int& iBaseEncoding, - CFX_ByteString*& pCharNames, - FX_BOOL bEmbedded, - FX_BOOL bTrueType) { - if (!pEncoding) { - if (m_BaseFont == "Symbol") { - iBaseEncoding = bTrueType ? PDFFONT_ENCODING_MS_SYMBOL - : PDFFONT_ENCODING_ADOBE_SYMBOL; - } else if (!bEmbedded && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) { - iBaseEncoding = PDFFONT_ENCODING_WINANSI; - } - return; - } - if (pEncoding->IsName()) { - if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL || - iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) { - return; - } - if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == "Symbol") { - if (!bTrueType) { - iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL; - } - return; - } - CFX_ByteString bsEncoding = pEncoding->GetString(); - if (bsEncoding.Compare("MacExpertEncoding") == 0) { - bsEncoding = "WinAnsiEncoding"; - } - GetPredefinedEncoding(iBaseEncoding, bsEncoding); - return; - } - - CPDF_Dictionary* pDict = pEncoding->AsDictionary(); - if (!pDict) - return; - - if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && - iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) { - CFX_ByteString bsEncoding = pDict->GetStringBy("BaseEncoding"); - if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) { - bsEncoding = "WinAnsiEncoding"; - } - GetPredefinedEncoding(iBaseEncoding, bsEncoding); - } - if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) { - iBaseEncoding = PDFFONT_ENCODING_STANDARD; - } - CPDF_Array* pDiffs = pDict->GetArrayBy("Differences"); - if (!pDiffs) { - return; - } - pCharNames = new CFX_ByteString[256]; - FX_DWORD cur_code = 0; - for (FX_DWORD i = 0; i < pDiffs->GetCount(); i++) { - CPDF_Object* pElement = pDiffs->GetElementValue(i); - if (!pElement) - continue; - - if (CPDF_Name* pName = pElement->AsName()) { - if (cur_code < 256) - pCharNames[cur_code] = pName->GetString(); - cur_code++; - } else { - cur_code = pElement->GetInteger(); - } - } -} - -FX_BOOL CPDF_Font::IsStandardFont() const { - if (!IsType1Font()) - return FALSE; - if (m_pFontFile) - return FALSE; - if (AsType1Font()->GetBase14Font() < 0) - return FALSE; - return TRUE; -} - -CPDF_SimpleFont::CPDF_SimpleFont() - : m_pCharNames(nullptr), m_BaseEncoding(PDFFONT_ENCODING_BUILTIN) { - FXSYS_memset(m_CharWidth, 0xff, sizeof m_CharWidth); - FXSYS_memset(m_GlyphIndex, 0xff, sizeof m_GlyphIndex); - FXSYS_memset(m_ExtGID, 0xff, sizeof m_ExtGID); -} - -CPDF_SimpleFont::~CPDF_SimpleFont() { - delete[] m_pCharNames; -} - -int CPDF_SimpleFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - if (charcode > 0xff) { - return -1; - } - int index = m_GlyphIndex[(uint8_t)charcode]; - if (index == 0xffff) { - return -1; - } - return index; -} - -void CPDF_SimpleFont::LoadCharMetrics(int charcode) { - if (!m_Font.GetFace()) - return; - - if (charcode < 0 || charcode > 0xff) { - return; - } - int glyph_index = m_GlyphIndex[charcode]; - if (glyph_index == 0xffff) { - if (!m_pFontFile && charcode != 32) { - LoadCharMetrics(32); - m_CharBBox[charcode] = m_CharBBox[32]; - if (m_bUseFontWidth) { - m_CharWidth[charcode] = m_CharWidth[32]; - } - } - return; - } - FXFT_Face face = m_Font.GetFace(); - int err = FXFT_Load_Glyph( - face, glyph_index, - FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); - if (err) { - return; - } - m_CharBBox[charcode] = FX_SMALL_RECT( - TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), - TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), - TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), - face), - TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), - face)); - - if (m_bUseFontWidth) { - int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(face), face); - if (m_CharWidth[charcode] == 0xffff) { - m_CharWidth[charcode] = TT_Width; - } else if (TT_Width && !IsEmbedded()) { - m_CharBBox[charcode].right = - m_CharBBox[charcode].right * m_CharWidth[charcode] / TT_Width; - m_CharBBox[charcode].left = - m_CharBBox[charcode].left * m_CharWidth[charcode] / TT_Width; - } - } -} - -int CPDF_SimpleFont::GetCharWidthF(FX_DWORD charcode, int level) { - if (charcode > 0xff) { - charcode = 0; - } - if (m_CharWidth[charcode] == 0xffff) { - LoadCharMetrics(charcode); - if (m_CharWidth[charcode] == 0xffff) { - m_CharWidth[charcode] = 0; - } - } - return (int16_t)m_CharWidth[charcode]; -} - -FX_RECT CPDF_SimpleFont::GetCharBBox(FX_DWORD charcode, int level) { - if (charcode > 0xff) - charcode = 0; - - if (m_CharBBox[charcode].left == FX_SMALL_RECT::kInvalid) - LoadCharMetrics(charcode); - - return FX_RECT(m_CharBBox[charcode]); -} - -const FX_CHAR* GetAdobeCharName(int iBaseEncoding, - const CFX_ByteString* pCharNames, - int charcode) { - ASSERT(charcode >= 0 && charcode < 256); - if (charcode < 0 || charcode >= 256) { - return NULL; - } - const FX_CHAR* name = NULL; - if (pCharNames) { - name = pCharNames[charcode]; - } - if ((!name || name[0] == 0) && iBaseEncoding) { - name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode); - } - return name && name[0] ? name : nullptr; -} - -FX_BOOL CPDF_SimpleFont::LoadCommon() { - CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); - if (pFontDesc) { - LoadFontDescriptor(pFontDesc); - } - CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); - int width_start = 0, width_end = -1; - m_bUseFontWidth = TRUE; - if (pWidthArray) { - m_bUseFontWidth = FALSE; - if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) { - int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth"); - for (int i = 0; i < 256; i++) { - m_CharWidth[i] = MissingWidth; - } - } - width_start = m_pFontDict->GetIntegerBy("FirstChar", 0); - width_end = m_pFontDict->GetIntegerBy("LastChar", 0); - if (width_start >= 0 && width_start <= 255) { - if (width_end <= 0 || - width_end >= width_start + (int)pWidthArray->GetCount()) { - width_end = width_start + pWidthArray->GetCount() - 1; - } - if (width_end > 255) { - width_end = 255; - } - for (int i = width_start; i <= width_end; i++) { - m_CharWidth[i] = pWidthArray->GetIntegerAt(i - width_start); - } - } - } - if (m_pFontFile) { - if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') { - m_BaseFont = m_BaseFont.Mid(8); - } - } else { - LoadSubstFont(); - } - if (!(m_Flags & PDFFONT_SYMBOLIC)) { - m_BaseEncoding = PDFFONT_ENCODING_STANDARD; - } - CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); - LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, m_pFontFile != NULL, - m_Font.IsTTFont()); - LoadGlyphMap(); - delete[] m_pCharNames; - m_pCharNames = NULL; - if (!m_Font.GetFace()) - return TRUE; - - if (m_Flags & PDFFONT_ALLCAP) { - unsigned char lowercases[] = {'a', 'z', 0xe0, 0xf6, 0xf8, 0xfd}; - for (size_t range = 0; range < sizeof lowercases / 2; range++) { - for (int i = lowercases[range * 2]; i <= lowercases[range * 2 + 1]; i++) { - if (m_GlyphIndex[i] != 0xffff && m_pFontFile) { - continue; - } - m_GlyphIndex[i] = m_GlyphIndex[i - 32]; - if (m_CharWidth[i - 32]) { - m_CharWidth[i] = m_CharWidth[i - 32]; - m_CharBBox[i] = m_CharBBox[i - 32]; - } - } - } - } - CheckFontMetrics(); - return TRUE; -} - -void CPDF_SimpleFont::LoadSubstFont() { - if (!m_bUseFontWidth && !(m_Flags & PDFFONT_FIXEDPITCH)) { - int width = 0, i; - for (i = 0; i < 256; i++) { - if (m_CharWidth[i] == 0 || m_CharWidth[i] == 0xffff) { - continue; - } - if (width == 0) { - width = m_CharWidth[i]; - } else if (width != m_CharWidth[i]) { - break; - } - } - if (i == 256 && width) { - m_Flags |= PDFFONT_FIXEDPITCH; - } - } - int weight = m_StemV < 140 ? m_StemV * 5 : (m_StemV * 4 + 140); - m_Font.LoadSubst(m_BaseFont, IsTrueTypeFont(), m_Flags, weight, m_ItalicAngle, - 0); - if (m_Font.GetSubstFont()->m_SubstFlags & FXFONT_SUBST_NONSYMBOL) { - } -} - -FX_BOOL CPDF_SimpleFont::IsUnicodeCompatible() const { - return m_BaseEncoding != PDFFONT_ENCODING_BUILTIN && - m_BaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && - m_BaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS; -} - -CFX_WideString CPDF_SimpleFont::UnicodeFromCharCode(FX_DWORD charcode) const { - CFX_WideString unicode = CPDF_Font::UnicodeFromCharCode(charcode); - if (!unicode.IsEmpty()) - return unicode; - FX_WCHAR ret = m_Encoding.UnicodeFromCharCode((uint8_t)charcode); - if (ret == 0) - return CFX_WideString(); - return ret; -} - -FX_DWORD CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const { - FX_DWORD ret = CPDF_Font::CharCodeFromUnicode(unicode); - if (ret) - return ret; - return m_Encoding.CharCodeFromUnicode(unicode); -} - -CPDF_Type1Font::CPDF_Type1Font() : m_Base14Font(-1) {} - -bool CPDF_Type1Font::IsType1Font() const { - return true; -} - -const CPDF_Type1Font* CPDF_Type1Font::AsType1Font() const { - return this; -} - -CPDF_Type1Font* CPDF_Type1Font::AsType1Font() { - return this; -} - -FX_BOOL CPDF_Type1Font::Load() { - m_Base14Font = PDF_GetStandardFontName(&m_BaseFont); - if (m_Base14Font >= 0) { - CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); - if (pFontDesc && pFontDesc->KeyExist("Flags")) - m_Flags = pFontDesc->GetIntegerBy("Flags"); - else - m_Flags = m_Base14Font >= 12 ? PDFFONT_SYMBOLIC : PDFFONT_NONSYMBOLIC; - - if (m_Base14Font < 4) { - for (int i = 0; i < 256; i++) - m_CharWidth[i] = 600; - } - if (m_Base14Font == 12) - m_BaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL; - else if (m_Base14Font == 13) - m_BaseEncoding = PDFFONT_ENCODING_ZAPFDINGBATS; - else if (m_Flags & PDFFONT_NONSYMBOLIC) - m_BaseEncoding = PDFFONT_ENCODING_STANDARD; - } - return LoadCommon(); -} - -int CPDF_Type1Font::GlyphFromCharCodeExt(FX_DWORD charcode) { - if (charcode > 0xff) { - return -1; - } - int index = m_ExtGID[(uint8_t)charcode]; - if (index == 0xffff) { - return -1; - } - return index; -} - -void CPDF_Type1Font::LoadGlyphMap() { - if (!m_Font.GetFace()) - return; - -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - FX_BOOL bCoreText = TRUE; - CQuartz2D& quartz2d = - ((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d; - if (!m_Font.GetPlatformFont()) { - if (m_Font.GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) { - bCoreText = FALSE; - } - m_Font.SetPlatformFont( - quartz2d.CreateFont(m_Font.GetFontData(), m_Font.GetSize())); - if (!m_Font.GetPlatformFont()) { - bCoreText = FALSE; - } - } -#endif - if (!IsEmbedded() && (m_Base14Font < 12) && m_Font.IsTTFont()) { - if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) { - FX_BOOL bGotOne = FALSE; - for (int charcode = 0; charcode < 256; charcode++) { - const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; - for (int j = 0; j < 4; j++) { - uint16_t unicode = prefix[j] * 256 + charcode; - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), unicode); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - FX_CHAR name_glyph[256]; - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], - name_glyph, 256); - name_glyph[255] = 0; - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } -#endif - if (m_GlyphIndex[charcode]) { - bGotOne = TRUE; - break; - } - } - } - if (bGotOne) { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (!bCoreText) { - FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); - } -#endif - return; - } - } - FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); - if (m_BaseEncoding == 0) { - m_BaseEncoding = PDFFONT_ENCODING_STANDARD; - } - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); - if (!name) { - continue; - } - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - m_GlyphIndex[charcode] = FXFT_Get_Char_Index( - m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - FX_CHAR name_glyph[256]; - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], name_glyph, - 256); - name_glyph[255] = 0; - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } -#endif - if (m_GlyphIndex[charcode] == 0 && FXSYS_strcmp(name, ".notdef") == 0) { - m_Encoding.m_Unicodes[charcode] = 0x20; - m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 0x20); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - FX_CHAR name_glyph[256]; - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], - name_glyph, 256); - name_glyph[255] = 0; - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } -#endif - } - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (!bCoreText) { - FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); - } -#endif - return; - } - FT_UseType1Charmap(m_Font.GetFace()); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (bCoreText) { - if (m_Flags & PDFFONT_SYMBOLIC) { - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); - if (name) { - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - m_GlyphIndex[charcode] = - FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } - } else { - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), charcode); - FX_WCHAR unicode = 0; - if (m_GlyphIndex[charcode]) { - unicode = - FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode); - } - FX_CHAR name_glyph[256]; - FXSYS_memset(name_glyph, 0, sizeof(name_glyph)); - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], - name_glyph, 256); - name_glyph[255] = 0; - if (unicode == 0 && name_glyph[0] != 0) { - unicode = PDF_UnicodeFromAdobeName(name_glyph); - } - m_Encoding.m_Unicodes[charcode] = unicode; - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } - } - } - return; - } - FX_BOOL bUnicode = FALSE; - if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) { - bUnicode = TRUE; - } - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); - if (!name) { - continue; - } - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - const FX_CHAR* pStrUnicode = GlyphNameRemap(name); - if (pStrUnicode && - 0 == FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name)) { - name = pStrUnicode; - } - m_GlyphIndex[charcode] = - FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name, kCFStringEncodingASCII, kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } - if (m_GlyphIndex[charcode] == 0) { - if (FXSYS_strcmp(name, ".notdef") != 0 && - FXSYS_strcmp(name, "space") != 0) { - m_GlyphIndex[charcode] = FXFT_Get_Char_Index( - m_Font.GetFace(), - bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode); - FX_CHAR name_glyph[256]; - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], - name_glyph, 256); - name_glyph[255] = 0; - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } - } else { - m_Encoding.m_Unicodes[charcode] = 0x20; - m_GlyphIndex[charcode] = - bUnicode ? FXFT_Get_Char_Index(m_Font.GetFace(), 0x20) : 0xffff; - FX_CHAR name_glyph[256]; - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], - name_glyph, 256); - name_glyph[255] = 0; - CFStringRef name_ct = CFStringCreateWithCStringNoCopy( - kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII, - kCFAllocatorNull); - m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName( - (CGFontRef)m_Font.GetPlatformFont(), name_ct); - if (name_ct) { - CFRelease(name_ct); - } - } - } - } - return; - } -#endif - if (m_Flags & PDFFONT_SYMBOLIC) { - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); - if (name) { - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - m_GlyphIndex[charcode] = - FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); - } else { - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), charcode); - if (m_GlyphIndex[charcode]) { - FX_WCHAR unicode = - FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode); - if (unicode == 0) { - FX_CHAR name_glyph[256]; - FXSYS_memset(name_glyph, 0, sizeof(name_glyph)); - FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], - name_glyph, 256); - name_glyph[255] = 0; - if (name_glyph[0] != 0) { - unicode = PDF_UnicodeFromAdobeName(name_glyph); - } - } - m_Encoding.m_Unicodes[charcode] = unicode; - } - } - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (!bCoreText) { - FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); - } -#endif - return; - } - FX_BOOL bUnicode = FALSE; - if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) { - bUnicode = TRUE; - } - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); - if (!name) { - continue; - } - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); - if (m_GlyphIndex[charcode] == 0) { - if (FXSYS_strcmp(name, ".notdef") != 0 && - FXSYS_strcmp(name, "space") != 0) { - m_GlyphIndex[charcode] = FXFT_Get_Char_Index( - m_Font.GetFace(), - bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode); - } else { - m_Encoding.m_Unicodes[charcode] = 0x20; - m_GlyphIndex[charcode] = 0xffff; - } - } - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (!bCoreText) { - FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256); - } -#endif -} - -CPDF_FontEncoding::CPDF_FontEncoding() { - FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes)); -} - -int CPDF_FontEncoding::CharCodeFromUnicode(FX_WCHAR unicode) const { - for (int i = 0; i < 256; i++) - if (m_Unicodes[i] == unicode) { - return i; - } - return -1; -} - -CPDF_FontEncoding::CPDF_FontEncoding(int PredefinedEncoding) { - const uint16_t* pSrc = PDF_UnicodesForPredefinedCharSet(PredefinedEncoding); - if (!pSrc) { - FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes)); - } else { - for (int i = 0; i < 256; i++) - m_Unicodes[i] = pSrc[i]; - } -} - -FX_BOOL CPDF_FontEncoding::IsIdentical(CPDF_FontEncoding* pAnother) const { - return FXSYS_memcmp(m_Unicodes, pAnother->m_Unicodes, sizeof(m_Unicodes)) == - 0; -} - -CPDF_Object* CPDF_FontEncoding::Realize() { - int predefined = 0; - for (int cs = PDFFONT_ENCODING_WINANSI; cs < PDFFONT_ENCODING_ZAPFDINGBATS; - cs++) { - const uint16_t* pSrc = PDF_UnicodesForPredefinedCharSet(cs); - FX_BOOL match = TRUE; - for (int i = 0; i < 256; ++i) { - if (m_Unicodes[i] != pSrc[i]) { - match = FALSE; - break; - } - } - if (match) { - predefined = cs; - break; - } - } - if (predefined) { - if (predefined == PDFFONT_ENCODING_WINANSI) { - return new CPDF_Name("WinAnsiEncoding"); - } - if (predefined == PDFFONT_ENCODING_MACROMAN) { - return new CPDF_Name("MacRomanEncoding"); - } - if (predefined == PDFFONT_ENCODING_MACEXPERT) { - return new CPDF_Name("MacExpertEncoding"); - } - return NULL; - } - const uint16_t* pStandard = - PDF_UnicodesForPredefinedCharSet(PDFFONT_ENCODING_WINANSI); - CPDF_Array* pDiff = new CPDF_Array; - for (int i = 0; i < 256; i++) { - if (pStandard[i] == m_Unicodes[i]) { - continue; - } - pDiff->Add(new CPDF_Number(i)); - pDiff->Add(new CPDF_Name(PDF_AdobeNameFromUnicode(m_Unicodes[i]))); - } - - CPDF_Dictionary* pDict = new CPDF_Dictionary; - pDict->SetAtName("BaseEncoding", "WinAnsiEncoding"); - pDict->SetAt("Differences", pDiff); - return pDict; -} - -CPDF_TrueTypeFont::CPDF_TrueTypeFont() {} - -bool CPDF_TrueTypeFont::IsTrueTypeFont() const { - return true; -} - -const CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() const { - return this; -} - -CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() { - return this; -} - -FX_BOOL CPDF_TrueTypeFont::Load() { - return LoadCommon(); -} - -void CPDF_TrueTypeFont::LoadGlyphMap() { - if (!m_Font.GetFace()) - return; - - int baseEncoding = m_BaseEncoding; - if (m_pFontFile && m_Font.GetFace()->num_charmaps > 0 && - (baseEncoding == PDFFONT_ENCODING_MACROMAN || - baseEncoding == PDFFONT_ENCODING_WINANSI) && - (m_Flags & PDFFONT_SYMBOLIC)) { - FX_BOOL bSupportWin = FALSE; - FX_BOOL bSupportMac = FALSE; - for (int i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.GetFace()); i++) { - int platform_id = FXFT_Get_Charmap_PlatformID( - FXFT_Get_Face_Charmaps(m_Font.GetFace())[i]); - if (platform_id == 0 || platform_id == 3) { - bSupportWin = TRUE; - } else if (platform_id == 0 || platform_id == 1) { - bSupportMac = TRUE; - } - } - if (baseEncoding == PDFFONT_ENCODING_WINANSI && !bSupportWin) { - baseEncoding = - bSupportMac ? PDFFONT_ENCODING_MACROMAN : PDFFONT_ENCODING_BUILTIN; - } else if (baseEncoding == PDFFONT_ENCODING_MACROMAN && !bSupportMac) { - baseEncoding = - bSupportWin ? PDFFONT_ENCODING_WINANSI : PDFFONT_ENCODING_BUILTIN; - } - } - if (((baseEncoding == PDFFONT_ENCODING_MACROMAN || - baseEncoding == PDFFONT_ENCODING_WINANSI) && - !m_pCharNames) || - (m_Flags & PDFFONT_NONSYMBOLIC)) { - if (!FXFT_Has_Glyph_Names(m_Font.GetFace()) && - (!m_Font.GetFace()->num_charmaps || !m_Font.GetFace()->charmaps)) { - int nStartChar = m_pFontDict->GetIntegerBy("FirstChar"); - if (nStartChar < 0 || nStartChar > 255) - return; - - int charcode = 0; - for (; charcode < nStartChar; charcode++) { - m_GlyphIndex[charcode] = 0; - } - uint16_t nGlyph = charcode - nStartChar + 3; - for (; charcode < 256; charcode++, nGlyph++) { - m_GlyphIndex[charcode] = nGlyph; - } - return; - } - FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.GetFace(), 3, 1); - FX_BOOL bMacRoman = FALSE, bMSSymbol = FALSE; - if (!bMSUnicode) { - if (m_Flags & PDFFONT_NONSYMBOLIC) { - bMacRoman = FT_UseTTCharmap(m_Font.GetFace(), 1, 0); - bMSSymbol = !bMacRoman && FT_UseTTCharmap(m_Font.GetFace(), 3, 0); - } else { - bMSSymbol = FT_UseTTCharmap(m_Font.GetFace(), 3, 0); - bMacRoman = !bMSSymbol && FT_UseTTCharmap(m_Font.GetFace(), 1, 0); - } - } - FX_BOOL bToUnicode = m_pFontDict->KeyExist("ToUnicode"); - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(baseEncoding, m_pCharNames, charcode); - if (!name) { - m_GlyphIndex[charcode] = - m_pFontFile ? FXFT_Get_Char_Index(m_Font.GetFace(), charcode) : -1; - continue; - } - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - if (bMSSymbol) { - const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; - for (int j = 0; j < 4; j++) { - uint16_t unicode = prefix[j] * 256 + charcode; - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), unicode); - if (m_GlyphIndex[charcode]) { - break; - } - } - } else if (m_Encoding.m_Unicodes[charcode]) { - if (bMSUnicode) { - m_GlyphIndex[charcode] = FXFT_Get_Char_Index( - m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]); - } else if (bMacRoman) { - FX_DWORD maccode = FT_CharCodeFromUnicode( - FXFT_ENCODING_APPLE_ROMAN, m_Encoding.m_Unicodes[charcode]); - if (!maccode) { - m_GlyphIndex[charcode] = - FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); - } else { - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), maccode); - } - } - } - if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) && - name) { - if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) { - m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 32); - } else { - m_GlyphIndex[charcode] = - FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name); - if (m_GlyphIndex[charcode] == 0) { - if (bToUnicode) { - CFX_WideString wsUnicode = UnicodeFromCharCode(charcode); - if (!wsUnicode.IsEmpty()) { - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), wsUnicode[0]); - m_Encoding.m_Unicodes[charcode] = wsUnicode[0]; - } - } - if (m_GlyphIndex[charcode] == 0) { - m_GlyphIndex[charcode] = - FXFT_Get_Char_Index(m_Font.GetFace(), charcode); - } - } - } - } - } - return; - } - if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) { - const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; - FX_BOOL bGotOne = FALSE; - for (int charcode = 0; charcode < 256; charcode++) { - for (int j = 0; j < 4; j++) { - uint16_t unicode = prefix[j] * 256 + charcode; - m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), unicode); - if (m_GlyphIndex[charcode]) { - bGotOne = TRUE; - break; - } - } - } - if (bGotOne) { - if (baseEncoding != PDFFONT_ENCODING_BUILTIN) { - for (int charcode = 0; charcode < 256; charcode++) { - const FX_CHAR* name = - GetAdobeCharName(baseEncoding, m_pCharNames, charcode); - if (!name) { - continue; - } - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - } - } else if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) { - for (int charcode = 0; charcode < 256; charcode++) { - m_Encoding.m_Unicodes[charcode] = - FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode); - } - } - return; - } - } - if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) { - FX_BOOL bGotOne = FALSE; - for (int charcode = 0; charcode < 256; charcode++) { - m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), charcode); - m_Encoding.m_Unicodes[charcode] = - FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode); - if (m_GlyphIndex[charcode]) { - bGotOne = TRUE; - } - } - if (m_pFontFile || bGotOne) { - return; - } - } - if (FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE) == 0) { - FX_BOOL bGotOne = FALSE; - const uint16_t* pUnicodes = PDF_UnicodesForPredefinedCharSet(baseEncoding); - for (int charcode = 0; charcode < 256; charcode++) { - if (m_pFontFile) { - m_Encoding.m_Unicodes[charcode] = charcode; - } else { - const FX_CHAR* name = GetAdobeCharName(0, m_pCharNames, charcode); - if (name) { - m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); - } else if (pUnicodes) { - m_Encoding.m_Unicodes[charcode] = pUnicodes[charcode]; - } - } - m_GlyphIndex[charcode] = FXFT_Get_Char_Index( - m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]); - if (m_GlyphIndex[charcode]) { - bGotOne = TRUE; - } - } - if (bGotOne) { - return; - } - } - for (int charcode = 0; charcode < 256; charcode++) { - m_GlyphIndex[charcode] = charcode; - } -} - -CPDF_Type3Font::CPDF_Type3Font() - : m_pCharProcs(nullptr), - m_pPageResources(nullptr), - m_pFontResources(nullptr) { - FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL)); -} - -CPDF_Type3Font::~CPDF_Type3Font() { - for (auto it : m_CacheMap) - delete it.second; -} - -bool CPDF_Type3Font::IsType3Font() const { - return true; -} - -const CPDF_Type3Font* CPDF_Type3Font::AsType3Font() const { - return this; -} - -CPDF_Type3Font* CPDF_Type3Font::AsType3Font() { - return this; -} - -FX_BOOL CPDF_Type3Font::Load() { - m_pFontResources = m_pFontDict->GetDictBy("Resources"); - CPDF_Array* pMatrix = m_pFontDict->GetArrayBy("FontMatrix"); - FX_FLOAT xscale = 1.0f, yscale = 1.0f; - if (pMatrix) { - m_FontMatrix = pMatrix->GetMatrix(); - xscale = m_FontMatrix.a; - yscale = m_FontMatrix.d; - } - CPDF_Array* pBBox = m_pFontDict->GetArrayBy("FontBBox"); - if (pBBox) { - m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000); - m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000); - m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000); - m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000); - } - int StartChar = m_pFontDict->GetIntegerBy("FirstChar"); - CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); - if (pWidthArray && (StartChar >= 0 && StartChar < 256)) { - FX_DWORD count = pWidthArray->GetCount(); - if (count > 256) { - count = 256; - } - if (StartChar + count > 256) { - count = 256 - StartChar; - } - for (FX_DWORD i = 0; i < count; i++) { - m_CharWidthL[StartChar + i] = - FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000); - } - } - m_pCharProcs = m_pFontDict->GetDictBy("CharProcs"); - CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); - if (pEncoding) { - LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, FALSE, FALSE); - if (m_pCharNames) { - for (int i = 0; i < 256; i++) { - m_Encoding.m_Unicodes[i] = PDF_UnicodeFromAdobeName(m_pCharNames[i]); - if (m_Encoding.m_Unicodes[i] == 0) { - m_Encoding.m_Unicodes[i] = i; - } - } - } - } - return TRUE; -} - -void CPDF_Type3Font::CheckType3FontMetrics() { - CheckFontMetrics(); -} - -CPDF_Type3Char* CPDF_Type3Font::LoadChar(FX_DWORD charcode, int level) { - if (level >= _FPDF_MAX_TYPE3_FORM_LEVEL_) - return nullptr; - - auto it = m_CacheMap.find(charcode); - if (it != m_CacheMap.end()) - return it->second; - - const FX_CHAR* name = - GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); - if (!name) - return nullptr; - - CPDF_Stream* pStream = - ToStream(m_pCharProcs ? m_pCharProcs->GetElementValue(name) : nullptr); - if (!pStream) - return nullptr; - - std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form( - m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources, - pStream, nullptr))); - - // This can trigger recursion into this method. The content of |m_CacheMap| - // can change as a result. Thus after it returns, check the cache again for - // a cache hit. - pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get(), nullptr, - level + 1); - it = m_CacheMap.find(charcode); - if (it != m_CacheMap.end()) - return it->second; - - FX_FLOAT scale = m_FontMatrix.GetXUnit(); - pNewChar->m_Width = (int32_t)(pNewChar->m_Width * scale + 0.5f); - FX_RECT& rcBBox = pNewChar->m_BBox; - CFX_FloatRect char_rect( - (FX_FLOAT)rcBBox.left / 1000.0f, (FX_FLOAT)rcBBox.bottom / 1000.0f, - (FX_FLOAT)rcBBox.right / 1000.0f, (FX_FLOAT)rcBBox.top / 1000.0f); - if (rcBBox.right <= rcBBox.left || rcBBox.bottom >= rcBBox.top) - char_rect = pNewChar->m_pForm->CalcBoundingBox(); - - char_rect.Transform(&m_FontMatrix); - rcBBox.left = FXSYS_round(char_rect.left * 1000); - rcBBox.right = FXSYS_round(char_rect.right * 1000); - rcBBox.top = FXSYS_round(char_rect.top * 1000); - rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000); - - ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode)); - CPDF_Type3Char* pCachedChar = pNewChar.release(); - m_CacheMap[charcode] = pCachedChar; - if (pCachedChar->m_pForm->GetPageObjectList()->empty()) { - delete pCachedChar->m_pForm; - pCachedChar->m_pForm = nullptr; - } - return pCachedChar; -} - -int CPDF_Type3Font::GetCharWidthF(FX_DWORD charcode, int level) { - if (charcode >= FX_ArraySize(m_CharWidthL)) - charcode = 0; - - if (m_CharWidthL[charcode]) - return m_CharWidthL[charcode]; - - const CPDF_Type3Char* pChar = LoadChar(charcode, level); - return pChar ? pChar->m_Width : 0; -} - -FX_RECT CPDF_Type3Font::GetCharBBox(FX_DWORD charcode, int level) { - const CPDF_Type3Char* pChar = LoadChar(charcode, level); - return pChar ? pChar->m_BBox : FX_RECT(); -} - -CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm) - : m_pForm(pForm), m_pBitmap(nullptr), m_bColored(FALSE) {} - -CPDF_Type3Char::~CPDF_Type3Char() { - delete m_pForm; - delete m_pBitmap; -} diff --git a/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp index c73043abfa..95452a7227 100644 --- a/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp +++ b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp @@ -13,7 +13,6 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fxcrt/include/fx_ext.h" -#include "core/include/fpdfapi/fpdf_resource.h" #include "core/include/fxge/fx_freetype.h" #include "core/include/fxge/fx_ge.h" @@ -22,7 +21,6 @@ namespace { const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = { nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"}; -const uint16_t g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200}; class CPDF_PredefinedCMap { public: @@ -192,14 +190,6 @@ CIDSet CIDSetFromSizeT(size_t index) { return static_cast<CIDSet>(index); } -CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { - for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { - if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) - return CIDSetFromSizeT(charset); - } - return CIDSET_UNKNOWN; -} - CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) { return word.Mid(1, word.GetLength() - 2); } @@ -284,183 +274,6 @@ int GetCharSizeImpl(FX_DWORD charcode, return 1; } -#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ - -bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) { - switch (charset) { - case CIDSET_GB1: - case CIDSET_CNS1: - case CIDSET_JAPAN1: - case CIDSET_KOREA1: - return true; - - default: - return false; - } -} - -FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, - CIDSet charset, - FX_WCHAR unicode) { - if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) - return 0; - - CPDF_FontGlobals* pFontGlobals = - CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); - const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; - if (!pCodes) - return 0; - - int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; - for (int i = 0; i < nCodes; ++i) { - if (pCodes[i] == unicode) { - FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i); - if (CharCode != 0) { - return CharCode; - } - } - } - return 0; -} - -FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, - CIDSet charset, - FX_DWORD charcode) { - if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) - return 0; - - uint16_t cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode); - if (cid == 0) - return 0; - - CPDF_FontGlobals* pFontGlobals = - CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); - const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; - if (!pCodes) - return 0; - - if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) - return pCodes[cid]; - return 0; -} - -#endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ - -void FT_UseCIDCharmap(FXFT_Face face, int coding) { - int encoding; - switch (coding) { - case CIDCODING_GB: - encoding = FXFT_ENCODING_GB2312; - break; - case CIDCODING_BIG5: - encoding = FXFT_ENCODING_BIG5; - break; - case CIDCODING_JIS: - encoding = FXFT_ENCODING_SJIS; - break; - case CIDCODING_KOREA: - encoding = FXFT_ENCODING_JOHAB; - break; - default: - encoding = FXFT_ENCODING_UNICODE; - } - int err = FXFT_Select_Charmap(face, encoding); - if (err) { - err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); - } - if (err && FXFT_Get_Face_Charmaps(face)) { - FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face)); - } -} - -const struct CIDTransform { - uint16_t CID; - uint8_t a, b, c, d, e, f; -} g_Japan1_VertCIDs[] = { - {97, 129, 0, 0, 127, 55, 0}, {7887, 127, 0, 0, 127, 76, 89}, - {7888, 127, 0, 0, 127, 79, 94}, {7889, 0, 129, 127, 0, 17, 127}, - {7890, 0, 129, 127, 0, 17, 127}, {7891, 0, 129, 127, 0, 17, 127}, - {7892, 0, 129, 127, 0, 17, 127}, {7893, 0, 129, 127, 0, 17, 127}, - {7894, 0, 129, 127, 0, 17, 127}, {7895, 0, 129, 127, 0, 17, 127}, - {7896, 0, 129, 127, 0, 17, 127}, {7897, 0, 129, 127, 0, 17, 127}, - {7898, 0, 129, 127, 0, 17, 127}, {7899, 0, 129, 127, 0, 17, 104}, - {7900, 0, 129, 127, 0, 17, 127}, {7901, 0, 129, 127, 0, 17, 104}, - {7902, 0, 129, 127, 0, 17, 127}, {7903, 0, 129, 127, 0, 17, 127}, - {7904, 0, 129, 127, 0, 17, 127}, {7905, 0, 129, 127, 0, 17, 114}, - {7906, 0, 129, 127, 0, 17, 127}, {7907, 0, 129, 127, 0, 17, 127}, - {7908, 0, 129, 127, 0, 17, 127}, {7909, 0, 129, 127, 0, 17, 127}, - {7910, 0, 129, 127, 0, 17, 127}, {7911, 0, 129, 127, 0, 17, 127}, - {7912, 0, 129, 127, 0, 17, 127}, {7913, 0, 129, 127, 0, 17, 127}, - {7914, 0, 129, 127, 0, 17, 127}, {7915, 0, 129, 127, 0, 17, 114}, - {7916, 0, 129, 127, 0, 17, 127}, {7917, 0, 129, 127, 0, 17, 127}, - {7918, 127, 0, 0, 127, 18, 25}, {7919, 127, 0, 0, 127, 18, 25}, - {7920, 127, 0, 0, 127, 18, 25}, {7921, 127, 0, 0, 127, 18, 25}, - {7922, 127, 0, 0, 127, 18, 25}, {7923, 127, 0, 0, 127, 18, 25}, - {7924, 127, 0, 0, 127, 18, 25}, {7925, 127, 0, 0, 127, 18, 25}, - {7926, 127, 0, 0, 127, 18, 25}, {7927, 127, 0, 0, 127, 18, 25}, - {7928, 127, 0, 0, 127, 18, 25}, {7929, 127, 0, 0, 127, 18, 25}, - {7930, 127, 0, 0, 127, 18, 25}, {7931, 127, 0, 0, 127, 18, 25}, - {7932, 127, 0, 0, 127, 18, 25}, {7933, 127, 0, 0, 127, 18, 25}, - {7934, 127, 0, 0, 127, 18, 25}, {7935, 127, 0, 0, 127, 18, 25}, - {7936, 127, 0, 0, 127, 18, 25}, {7937, 127, 0, 0, 127, 18, 25}, - {7938, 127, 0, 0, 127, 18, 25}, {7939, 127, 0, 0, 127, 18, 25}, - {8720, 0, 129, 127, 0, 19, 102}, {8721, 0, 129, 127, 0, 13, 127}, - {8722, 0, 129, 127, 0, 19, 108}, {8723, 0, 129, 127, 0, 19, 102}, - {8724, 0, 129, 127, 0, 19, 102}, {8725, 0, 129, 127, 0, 19, 102}, - {8726, 0, 129, 127, 0, 19, 102}, {8727, 0, 129, 127, 0, 19, 102}, - {8728, 0, 129, 127, 0, 19, 114}, {8729, 0, 129, 127, 0, 19, 114}, - {8730, 0, 129, 127, 0, 38, 108}, {8731, 0, 129, 127, 0, 13, 108}, - {8732, 0, 129, 127, 0, 19, 108}, {8733, 0, 129, 127, 0, 19, 108}, - {8734, 0, 129, 127, 0, 19, 108}, {8735, 0, 129, 127, 0, 19, 108}, - {8736, 0, 129, 127, 0, 19, 102}, {8737, 0, 129, 127, 0, 19, 102}, - {8738, 0, 129, 127, 0, 19, 102}, {8739, 0, 129, 127, 0, 19, 102}, - {8740, 0, 129, 127, 0, 19, 102}, {8741, 0, 129, 127, 0, 19, 102}, - {8742, 0, 129, 127, 0, 19, 102}, {8743, 0, 129, 127, 0, 19, 102}, - {8744, 0, 129, 127, 0, 19, 102}, {8745, 0, 129, 127, 0, 19, 102}, - {8746, 0, 129, 127, 0, 19, 114}, {8747, 0, 129, 127, 0, 19, 114}, - {8748, 0, 129, 127, 0, 19, 102}, {8749, 0, 129, 127, 0, 19, 102}, - {8750, 0, 129, 127, 0, 19, 102}, {8751, 0, 129, 127, 0, 19, 102}, - {8752, 0, 129, 127, 0, 19, 102}, {8753, 0, 129, 127, 0, 19, 102}, - {8754, 0, 129, 127, 0, 19, 102}, {8755, 0, 129, 127, 0, 19, 102}, - {8756, 0, 129, 127, 0, 19, 102}, {8757, 0, 129, 127, 0, 19, 102}, - {8758, 0, 129, 127, 0, 19, 102}, {8759, 0, 129, 127, 0, 19, 102}, - {8760, 0, 129, 127, 0, 19, 102}, {8761, 0, 129, 127, 0, 19, 102}, - {8762, 0, 129, 127, 0, 19, 102}, {8763, 0, 129, 127, 0, 19, 102}, - {8764, 0, 129, 127, 0, 19, 102}, {8765, 0, 129, 127, 0, 19, 102}, - {8766, 0, 129, 127, 0, 19, 102}, {8767, 0, 129, 127, 0, 19, 102}, - {8768, 0, 129, 127, 0, 19, 102}, {8769, 0, 129, 127, 0, 19, 102}, - {8770, 0, 129, 127, 0, 19, 102}, {8771, 0, 129, 127, 0, 19, 102}, - {8772, 0, 129, 127, 0, 19, 102}, {8773, 0, 129, 127, 0, 19, 102}, - {8774, 0, 129, 127, 0, 19, 102}, {8775, 0, 129, 127, 0, 19, 102}, - {8776, 0, 129, 127, 0, 19, 102}, {8777, 0, 129, 127, 0, 19, 102}, - {8778, 0, 129, 127, 0, 19, 102}, {8779, 0, 129, 127, 0, 19, 114}, - {8780, 0, 129, 127, 0, 19, 108}, {8781, 0, 129, 127, 0, 19, 114}, - {8782, 0, 129, 127, 0, 13, 114}, {8783, 0, 129, 127, 0, 19, 108}, - {8784, 0, 129, 127, 0, 13, 114}, {8785, 0, 129, 127, 0, 19, 108}, - {8786, 0, 129, 127, 0, 19, 108}, {8787, 0, 129, 127, 0, 19, 108}, - {8788, 0, 129, 127, 0, 19, 108}, {8789, 0, 129, 127, 0, 19, 108}, - {8790, 0, 129, 127, 0, 19, 108}, {8791, 0, 129, 127, 0, 19, 108}, - {8792, 0, 129, 127, 0, 19, 108}, {8793, 0, 129, 127, 0, 19, 108}, - {8794, 0, 129, 127, 0, 19, 108}, {8795, 0, 129, 127, 0, 19, 108}, - {8796, 0, 129, 127, 0, 19, 108}, {8797, 0, 129, 127, 0, 19, 108}, - {8798, 0, 129, 127, 0, 19, 108}, {8799, 0, 129, 127, 0, 19, 108}, - {8800, 0, 129, 127, 0, 19, 108}, {8801, 0, 129, 127, 0, 19, 108}, - {8802, 0, 129, 127, 0, 19, 108}, {8803, 0, 129, 127, 0, 19, 108}, - {8804, 0, 129, 127, 0, 19, 108}, {8805, 0, 129, 127, 0, 19, 108}, - {8806, 0, 129, 127, 0, 19, 108}, {8807, 0, 129, 127, 0, 19, 108}, - {8808, 0, 129, 127, 0, 19, 108}, {8809, 0, 129, 127, 0, 19, 108}, - {8810, 0, 129, 127, 0, 19, 108}, {8811, 0, 129, 127, 0, 19, 114}, - {8812, 0, 129, 127, 0, 19, 102}, {8813, 0, 129, 127, 0, 19, 114}, - {8814, 0, 129, 127, 0, 76, 102}, {8815, 0, 129, 127, 0, 13, 121}, - {8816, 0, 129, 127, 0, 19, 114}, {8817, 0, 129, 127, 0, 19, 127}, - {8818, 0, 129, 127, 0, 19, 114}, {8819, 0, 129, 127, 0, 218, 108}, -}; - -int CompareCIDTransform(const void* key, const void* element) { - uint16_t CID = *static_cast<const uint16_t*>(key); - return CID - static_cast<const struct CIDTransform*>(element)->CID; -} - } // namespace CPDF_CMapManager::CPDF_CMapManager() { @@ -975,706 +788,10 @@ void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount); } -CPDF_CIDFont::CPDF_CIDFont() - : m_pCMap(nullptr), - m_pAllocatedCMap(nullptr), - m_pCID2UnicodeMap(nullptr), - m_pCIDToGIDMap(nullptr), - m_bCIDIsGID(FALSE), - m_pAnsiWidths(nullptr), - m_bAdobeCourierStd(FALSE), - m_pTTGSUBTable(nullptr) {} - -CPDF_CIDFont::~CPDF_CIDFont() { - if (m_pAnsiWidths) { - FX_Free(m_pAnsiWidths); - } - delete m_pAllocatedCMap; - delete m_pCIDToGIDMap; - delete m_pTTGSUBTable; -} - -bool CPDF_CIDFont::IsCIDFont() const { - return true; -} - -const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const { - return this; -} - -CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() { - return this; -} - -uint16_t CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const { - if (!m_pCMap) { - return (uint16_t)charcode; - } - return m_pCMap->CIDFromCharCode(charcode); -} - -FX_BOOL CPDF_CIDFont::IsVertWriting() const { - return m_pCMap ? m_pCMap->IsVertWriting() : FALSE; -} - -CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(FX_DWORD charcode) const { - CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode); - if (!str.IsEmpty()) - return str; - FX_WCHAR ret = GetUnicodeFromCharCode(charcode); - if (ret == 0) - return CFX_WideString(); - return ret; -} - -FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(FX_DWORD charcode) const { - switch (m_pCMap->m_Coding) { - case CIDCODING_UCS2: - case CIDCODING_UTF16: - return (FX_WCHAR)charcode; - case CIDCODING_CID: - if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { - return 0; - } - return m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)charcode); - } - if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || - !m_pCID2UnicodeMap->IsLoaded()) { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - FX_WCHAR unicode; - int charsize = 1; - if (charcode > 255) { - charcode = (charcode % 256) * 256 + (charcode / 256); - charsize = 2; - } - int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, - (const FX_CHAR*)&charcode, charsize, - &unicode, 1); - if (ret != 1) { - return 0; - } - return unicode; -#else - if (m_pCMap->m_pEmbedMap) { - return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, - m_pCMap->m_Charset, charcode); - } - return 0; -#endif - } - return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode)); -} - -FX_DWORD CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const { - FX_DWORD charcode = CPDF_Font::CharCodeFromUnicode(unicode); - if (charcode) - return charcode; - switch (m_pCMap->m_Coding) { - case CIDCODING_UNKNOWN: - return 0; - case CIDCODING_UCS2: - case CIDCODING_UTF16: - return unicode; - case CIDCODING_CID: { - if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { - return 0; - } - FX_DWORD CID = 0; - while (CID < 65536) { - FX_WCHAR this_unicode = - m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)CID); - if (this_unicode == unicode) { - return CID; - } - CID++; - } - break; - } - } - - if (unicode < 0x80) { - return static_cast<FX_DWORD>(unicode); - } - if (m_pCMap->m_Coding == CIDCODING_CID) { - return 0; - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - uint8_t buffer[32]; - int ret = - FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, - (char*)buffer, 4, NULL, NULL); - if (ret == 1) { - return buffer[0]; - } - if (ret == 2) { - return buffer[0] * 256 + buffer[1]; - } -#else - if (m_pCMap->m_pEmbedMap) { - return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, - unicode); - } -#endif - return 0; -} - -FX_BOOL CPDF_CIDFont::Load() { - if (m_pFontDict->GetStringBy("Subtype") == "TrueType") { - return LoadGB2312(); - } - CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts"); - if (!pFonts) { - return FALSE; - } - if (pFonts->GetCount() != 1) { - return FALSE; - } - CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0); - if (!pCIDFontDict) { - return FALSE; - } - m_BaseFont = pCIDFontDict->GetStringBy("BaseFont"); - if ((m_BaseFont.Compare("CourierStd") == 0 || - m_BaseFont.Compare("CourierStd-Bold") == 0 || - m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || - m_BaseFont.Compare("CourierStd-Oblique") == 0) && - !IsEmbedded()) { - m_bAdobeCourierStd = TRUE; - } - CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor"); - if (pFontDesc) { - LoadFontDescriptor(pFontDesc); - } - CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); - if (!pEncoding) { - return FALSE; - } - CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype"); - m_bType1 = (subtype == "CIDFontType0"); - - if (pEncoding->IsName()) { - CFX_ByteString cmap = pEncoding->GetString(); - m_pCMap = - CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1); - } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { - m_pAllocatedCMap = m_pCMap = new CPDF_CMap; - CPDF_StreamAcc acc; - acc.LoadAllData(pStream, FALSE); - m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); - } else { - return FALSE; - } - if (!m_pCMap) { - return FALSE; - } - m_Charset = m_pCMap->m_Charset; - if (m_Charset == CIDSET_UNKNOWN) { - CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo"); - if (pCIDInfo) { - m_Charset = CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering")); - } - } - if (m_Charset != CIDSET_UNKNOWN) - m_pCID2UnicodeMap = - CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetCID2UnicodeMap( - m_Charset, - !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID || - pCIDFontDict->KeyExist("W"))); - if (m_Font.GetFace()) { - if (m_bType1) { - FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); - } else { - FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding); - } - } - m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000); - CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W"); - if (pWidthArray) { - LoadMetricsArray(pWidthArray, m_WidthList, 1); - } - if (!IsEmbedded()) { - LoadSubstFont(); - } - if (1) { - if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { - CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap"); - if (pmap) { - if (CPDF_Stream* pStream = pmap->AsStream()) { - m_pCIDToGIDMap = new CPDF_StreamAcc; - m_pCIDToGIDMap->LoadAllData(pStream, FALSE); - } else if (pmap->GetString() == "Identity") { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (m_pFontFile) { - m_bCIDIsGID = TRUE; - } -#else - m_bCIDIsGID = TRUE; -#endif - } - } - } - } - CheckFontMetrics(); - if (IsVertWriting()) { - pWidthArray = pCIDFontDict->GetArrayBy("W2"); - if (pWidthArray) { - LoadMetricsArray(pWidthArray, m_VertMetrics, 3); - } - CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2"); - if (pDefaultArray) { - m_DefaultVY = pDefaultArray->GetIntegerAt(0); - m_DefaultW1 = pDefaultArray->GetIntegerAt(1); - } else { - m_DefaultVY = 880; - m_DefaultW1 = -1000; - } - } - return TRUE; -} - -FX_RECT CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, int level) { - if (charcode < 256 && m_CharBBox[charcode].right != FX_SMALL_RECT::kInvalid) - return FX_RECT(m_CharBBox[charcode]); - - FX_RECT rect; - FX_BOOL bVert = FALSE; - int glyph_index = GlyphFromCharCode(charcode, &bVert); - FXFT_Face face = m_Font.GetFace(); - if (face) { - if (FXFT_Is_Face_Tricky(face)) { - int err = FXFT_Load_Glyph(face, glyph_index, - FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); - if (!err) { - FXFT_BBox cbox; - FXFT_Glyph glyph; - err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph); - if (!err) { - FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); - int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; - int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; - if (pixel_size_x == 0 || pixel_size_y == 0) { - rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin); - } else { - rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x, - cbox.yMax * 1000 / pixel_size_y, - cbox.xMax * 1000 / pixel_size_x, - cbox.yMin * 1000 / pixel_size_y); - } - if (rect.top > FXFT_Get_Face_Ascender(face)) { - rect.top = FXFT_Get_Face_Ascender(face); - } - if (rect.bottom < FXFT_Get_Face_Descender(face)) { - rect.bottom = FXFT_Get_Face_Descender(face); - } - FXFT_Done_Glyph(glyph); - } - } - } else { - int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE); - if (err == 0) { - rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), - TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), - TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + - FXFT_Get_Glyph_Width(face), - face), - TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - - FXFT_Get_Glyph_Height(face), - face)); - rect.top += rect.top / 64; - } - } - } - if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) { - uint16_t CID = CIDFromCharCode(charcode); - const uint8_t* pTransform = GetCIDTransform(CID); - if (pTransform && !bVert) { - CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]), - CIDTransformToFloat(pTransform[1]), - CIDTransformToFloat(pTransform[2]), - CIDTransformToFloat(pTransform[3]), - CIDTransformToFloat(pTransform[4]) * 1000, - CIDTransformToFloat(pTransform[5]) * 1000); - CFX_FloatRect rect_f(rect); - rect_f.Transform(&matrix); - rect = rect_f.GetOutterRect(); - } - } - if (charcode < 256) - m_CharBBox[charcode] = rect.ToSmallRect(); - - return rect; -} -int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) { - if (m_pAnsiWidths && charcode < 0x80) { - return m_pAnsiWidths[charcode]; - } - uint16_t cid = CIDFromCharCode(charcode); - int size = m_WidthList.GetSize(); - FX_DWORD* list = m_WidthList.GetData(); - for (int i = 0; i < size; i += 3) { - if (cid >= list[i] && cid <= list[i + 1]) { - return (int)list[i + 2]; - } - } - return m_DefaultWidth; -} -short CPDF_CIDFont::GetVertWidth(uint16_t CID) const { - FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; - if (vertsize == 0) { - return m_DefaultW1; - } - const FX_DWORD* pTable = m_VertMetrics.GetData(); - for (FX_DWORD i = 0; i < vertsize; i++) - if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { - return (short)(int)pTable[i * 5 + 2]; - } - return m_DefaultW1; -} -void CPDF_CIDFont::GetVertOrigin(uint16_t CID, short& vx, short& vy) const { - FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; - if (vertsize) { - const FX_DWORD* pTable = m_VertMetrics.GetData(); - for (FX_DWORD i = 0; i < vertsize; i++) - if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { - vx = (short)(int)pTable[i * 5 + 3]; - vy = (short)(int)pTable[i * 5 + 4]; - return; - } - } - FX_DWORD dwWidth = m_DefaultWidth; - int size = m_WidthList.GetSize(); - const FX_DWORD* list = m_WidthList.GetData(); - for (int i = 0; i < size; i += 3) { - if (CID >= list[i] && CID <= list[i + 1]) { - dwWidth = (uint16_t)list[i + 2]; - break; - } - } - vx = (short)dwWidth / 2; - vy = (short)m_DefaultVY; -} -int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) { - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - FXFT_Face face = m_Font.GetFace(); - int index = FXFT_Get_Char_Index(face, unicode); - if (unicode == 0x2502) { - return index; - } - if (index && IsVertWriting()) { - if (m_pTTGSUBTable) { - uint32_t vindex = 0; - m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); - if (vindex) { - index = vindex; - if (pVertGlyph) { - *pVertGlyph = TRUE; - } - } - return index; - } - if (!m_Font.GetSubData()) { - unsigned long length = 0; - int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, - NULL, &length); - if (!error) { - m_Font.SetSubData(FX_Alloc(uint8_t, length)); - } - } - int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, - m_Font.GetSubData(), NULL); - if (!error && m_Font.GetSubData()) { - m_pTTGSUBTable = new CFX_CTTGSUBTable; - m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData()); - uint32_t vindex = 0; - m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); - if (vindex) { - index = vindex; - if (pVertGlyph) { - *pVertGlyph = TRUE; - } - } - } - return index; - } - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - return index; -} -int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - if (!m_pFontFile && !m_pCIDToGIDMap) { - uint16_t cid = CIDFromCharCode(charcode); - FX_WCHAR unicode = 0; - if (m_bCIDIsGID) { -#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ - return cid; -#else - if (m_Flags & PDFFONT_SYMBOLIC) { - return cid; - } - CFX_WideString uni_str = UnicodeFromCharCode(charcode); - if (uni_str.IsEmpty()) { - return cid; - } - unicode = uni_str.GetAt(0); -#endif - } else { - if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) { - unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid); - } - if (unicode == 0) { - unicode = GetUnicodeFromCharCode(charcode); - } - if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) { - unicode = UnicodeFromCharCode(charcode).GetAt(0); - } - } - FXFT_Face face = m_Font.GetFace(); - if (unicode == 0) { - if (!m_bAdobeCourierStd) { - return charcode == 0 ? -1 : (int)charcode; - } - charcode += 31; - int index = 0, iBaseEncoding; - FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1); - FX_BOOL bMacRoman = FALSE; - if (!bMSUnicode) { - bMacRoman = FT_UseTTCharmap(face, 1, 0); - } - iBaseEncoding = PDFFONT_ENCODING_STANDARD; - if (bMSUnicode) { - iBaseEncoding = PDFFONT_ENCODING_WINANSI; - } else if (bMacRoman) { - iBaseEncoding = PDFFONT_ENCODING_MACROMAN; - } - const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode); - if (!name) { - return charcode == 0 ? -1 : (int)charcode; - } - uint16_t unicode = PDF_UnicodeFromAdobeName(name); - if (unicode) { - if (bMSUnicode) { - index = FXFT_Get_Char_Index(face, unicode); - } else if (bMacRoman) { - FX_DWORD maccode = - FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); - index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) - : FXFT_Get_Char_Index(face, maccode); - } else { - return FXFT_Get_Char_Index(face, unicode); - } - } else { - return charcode == 0 ? -1 : (int)charcode; - } - if (index == 0 || index == 0xffff) { - return charcode == 0 ? -1 : (int)charcode; - } - return index; - } - if (m_Charset == CIDSET_JAPAN1) { - if (unicode == '\\') { - unicode = '/'; -#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ - } else if (unicode == 0xa5) { - unicode = 0x5c; -#endif - } - } - if (!face) - return unicode; - - int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); - if (err != 0) { - int i; - for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { - FX_DWORD ret = FT_CharCodeFromUnicode( - FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]), - (FX_WCHAR)charcode); - if (ret == 0) { - continue; - } - FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); - unicode = (FX_WCHAR)ret; - break; - } - if (i == FXFT_Get_Face_CharmapCount(face) && i) { - FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); - unicode = (FX_WCHAR)charcode; - } - } - if (FXFT_Get_Face_Charmap(face)) { - int index = GetGlyphIndex(unicode, pVertGlyph); - if (index == 0) - return -1; - return index; - } - return unicode; - } - if (!m_Font.GetFace()) - return -1; - - uint16_t cid = CIDFromCharCode(charcode); - if (m_bType1) { - if (!m_pCIDToGIDMap) { - return cid; - } - } else { - if (!m_pCIDToGIDMap) { - if (m_pFontFile && !m_pCMap->m_pMapping) - return cid; - if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || - !FXFT_Get_Face_Charmap(m_Font.GetFace())) { - return cid; - } - if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) == - FXFT_ENCODING_UNICODE) { - CFX_WideString unicode_str = UnicodeFromCharCode(charcode); - if (unicode_str.IsEmpty()) { - return -1; - } - charcode = unicode_str.GetAt(0); - } - return GetGlyphIndex(charcode, pVertGlyph); - } - } - FX_DWORD byte_pos = cid * 2; - if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) - return -1; - - const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos; - return pdata[0] * 256 + pdata[1]; -} -FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString, - int nStrLen, - int& offset) const { - return m_pCMap->GetNextChar(pString, nStrLen, offset); -} -int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const { - return m_pCMap->GetCharSize(charcode); -} -int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const { - return m_pCMap->CountChar(pString, size); -} -int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { - return m_pCMap->AppendChar(str, charcode); -} -FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { - if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || - !m_pCID2UnicodeMap->IsLoaded()) { - return m_pCMap->m_Coding != CIDCODING_UNKNOWN; - } - return TRUE; -} -FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const { - return TRUE; -} -void CPDF_CIDFont::LoadSubstFont() { - m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, - g_CharsetCPs[m_Charset], IsVertWriting()); -} -void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, - CFX_DWordArray& result, - int nElements) { - int width_status = 0; - int iCurElement = 0; - int first_code = 0; - int last_code = 0; - FX_DWORD count = pArray->GetCount(); - for (FX_DWORD i = 0; i < count; i++) { - CPDF_Object* pObj = pArray->GetElementValue(i); - if (!pObj) - continue; - - if (CPDF_Array* pArray = pObj->AsArray()) { - if (width_status != 1) - return; - - FX_DWORD count = pArray->GetCount(); - for (FX_DWORD j = 0; j < count; j += nElements) { - result.Add(first_code); - result.Add(first_code); - for (int k = 0; k < nElements; k++) { - result.Add(pArray->GetIntegerAt(j + k)); - } - first_code++; - } - width_status = 0; - } else { - if (width_status == 0) { - first_code = pObj->GetInteger(); - width_status = 1; - } else if (width_status == 1) { - last_code = pObj->GetInteger(); - width_status = 2; - iCurElement = 0; - } else { - if (!iCurElement) { - result.Add(first_code); - result.Add(last_code); - } - result.Add(pObj->GetInteger()); - iCurElement++; - if (iCurElement == nElements) { - width_status = 0; - } - } - } - } -} - -// static -FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) { - if (ch < 128) { - return ch * 1.0f / 127; - } - return (-255 + ch) * 1.0f / 127; -} - -FX_BOOL CPDF_CIDFont::LoadGB2312() { - m_BaseFont = m_pFontDict->GetStringBy("BaseFont"); - CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); - if (pFontDesc) { - LoadFontDescriptor(pFontDesc); - } - m_Charset = CIDSET_GB1; - m_bType1 = FALSE; - m_pCMap = CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE); - m_pCID2UnicodeMap = CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE); - if (!IsEmbedded()) { - LoadSubstFont(); - } - CheckFontMetrics(); - m_DefaultWidth = 1000; - m_pAnsiWidths = FX_Alloc(uint16_t, 128); - for (int i = 32; i < 127; i++) { - m_pAnsiWidths[i] = 500; +CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { + for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { + if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) + return CIDSetFromSizeT(charset); } - return TRUE; -} - -const uint8_t* CPDF_CIDFont::GetCIDTransform(uint16_t CID) const { - if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) - return nullptr; - - const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch( - &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs), - sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform); - return found ? &found->a : nullptr; + return CIDSET_UNKNOWN; } diff --git a/core/fpdfapi/fpdf_font/include/cpdf_font.h b/core/fpdfapi/fpdf_font/include/cpdf_font.h new file mode 100644 index 0000000000..1931c245de --- /dev/null +++ b/core/fpdfapi/fpdf_font/include/cpdf_font.h @@ -0,0 +1,128 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ + +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/fx_system.h" +#include "core/include/fxge/fx_font.h" + +#define PDFFONT_FIXEDPITCH 1 +#define PDFFONT_SERIF 2 +#define PDFFONT_SYMBOLIC 4 +#define PDFFONT_SCRIPT 8 +#define PDFFONT_NONSYMBOLIC 32 +#define PDFFONT_ITALIC 64 +#define PDFFONT_ALLCAP 0x10000 +#define PDFFONT_SMALLCAP 0x20000 +#define PDFFONT_FORCEBOLD 0x40000 +#define PDFFONT_USEEXTERNATTR 0x80000 + +class CFX_SubstFont; +class CPDF_CIDFont; +class CPDF_Dictionary; +class CPDF_Document; +class CPDF_Object; +class CPDF_StreamAcc; +class CPDF_TrueTypeFont; +class CPDF_Type1Font; +class CPDF_Type3Font; +class CPDF_ToUnicodeMap; + +class CPDF_Font { + public: + static CPDF_Font* CreateFontF(CPDF_Document* pDoc, + CPDF_Dictionary* pFontDict); + static CPDF_Font* GetStockFont(CPDF_Document* pDoc, + const CFX_ByteStringC& fontname); + static const FX_DWORD kInvalidCharCode = static_cast<FX_DWORD>(-1); + + virtual ~CPDF_Font(); + + virtual bool IsType1Font() const; + virtual bool IsTrueTypeFont() const; + virtual bool IsType3Font() const; + virtual bool IsCIDFont() const; + virtual const CPDF_Type1Font* AsType1Font() const; + virtual CPDF_Type1Font* AsType1Font(); + virtual const CPDF_TrueTypeFont* AsTrueTypeFont() const; + virtual CPDF_TrueTypeFont* AsTrueTypeFont(); + virtual const CPDF_Type3Font* AsType3Font() const; + virtual CPDF_Type3Font* AsType3Font(); + virtual const CPDF_CIDFont* AsCIDFont() const; + virtual CPDF_CIDFont* AsCIDFont(); + + virtual FX_BOOL IsVertWriting() const; + virtual FX_BOOL IsUnicodeCompatible() const; + virtual FX_DWORD GetNextChar(const FX_CHAR* pString, + int nStrLen, + int& offset) const; + virtual int CountChar(const FX_CHAR* pString, int size) const; + virtual int AppendChar(FX_CHAR* buf, FX_DWORD charcode) const; + virtual int GetCharSize(FX_DWORD charcode) const; + virtual int GlyphFromCharCode(FX_DWORD charcode, + FX_BOOL* pVertGlyph = nullptr); + virtual int GlyphFromCharCodeExt(FX_DWORD charcode); + virtual CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const; + virtual FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const; + + const CFX_ByteString& GetBaseFont() const { return m_BaseFont; } + const CFX_SubstFont* GetSubstFont() const { return m_Font.GetSubstFont(); } + FX_DWORD GetFlags() const { return m_Flags; } + FX_BOOL IsEmbedded() const { return IsType3Font() || m_pFontFile != nullptr; } + CPDF_StreamAcc* GetFontFile() const { return m_pFontFile; } + CPDF_Dictionary* GetFontDict() const { return m_pFontDict; } + FX_BOOL IsStandardFont() const; + FXFT_Face GetFace() const { return m_Font.GetFace(); } + void AppendChar(CFX_ByteString& str, FX_DWORD charcode) const; + + void GetFontBBox(FX_RECT& rect) const { rect = m_FontBBox; } + int GetTypeAscent() const { return m_Ascent; } + int GetTypeDescent() const { return m_Descent; } + int GetItalicAngle() const { return m_ItalicAngle; } + int GetStemV() const { return m_StemV; } + int GetStringWidth(const FX_CHAR* pString, int size); + + virtual int GetCharWidthF(FX_DWORD charcode, int level = 0) = 0; + virtual FX_RECT GetCharBBox(FX_DWORD charcode, int level = 0) = 0; + + CPDF_Document* m_pDocument; + CFX_Font m_Font; + + protected: + CPDF_Font(); + + virtual FX_BOOL Load() = 0; + + FX_BOOL Initialize(); + void LoadUnicodeMap(); + void LoadPDFEncoding(CPDF_Object* pEncoding, + int& iBaseEncoding, + CFX_ByteString*& pCharNames, + FX_BOOL bEmbedded, + FX_BOOL bTrueType); + void LoadFontDescriptor(CPDF_Dictionary* pDict); + void CheckFontMetrics(); + + const FX_CHAR* GetAdobeCharName(int iBaseEncoding, + const CFX_ByteString* pCharNames, + int charcode); + + CFX_ByteString m_BaseFont; + CPDF_StreamAcc* m_pFontFile; + CPDF_Dictionary* m_pFontDict; + CPDF_ToUnicodeMap* m_pToUnicodeMap; + FX_BOOL m_bToUnicodeLoaded; + int m_Flags; + FX_RECT m_FontBBox; + int m_StemV; + int m_Ascent; + int m_Descent; + int m_ItalicAngle; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ diff --git a/core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h b/core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h new file mode 100644 index 0000000000..a64687cd0e --- /dev/null +++ b/core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h @@ -0,0 +1,59 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONTENCODING_H_ +#define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONTENCODING_H_ + +#include "core/fxcrt/include/fx_string.h" + +#define PDFFONT_ENCODING_BUILTIN 0 +#define PDFFONT_ENCODING_WINANSI 1 +#define PDFFONT_ENCODING_MACROMAN 2 +#define PDFFONT_ENCODING_MACEXPERT 3 +#define PDFFONT_ENCODING_STANDARD 4 +#define PDFFONT_ENCODING_ADOBE_SYMBOL 5 +#define PDFFONT_ENCODING_ZAPFDINGBATS 6 +#define PDFFONT_ENCODING_PDFDOC 7 +#define PDFFONT_ENCODING_MS_SYMBOL 8 +#define PDFFONT_ENCODING_UNICODE 9 + +FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode); +FX_WCHAR FT_UnicodeFromCharCode(int encoding, FX_DWORD charcode); + +FX_WCHAR PDF_UnicodeFromAdobeName(const FX_CHAR* name); +CFX_ByteString PDF_AdobeNameFromUnicode(FX_WCHAR unicode); + +const uint16_t* PDF_UnicodesForPredefinedCharSet(int encoding); +const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding, + uint8_t charcode); + +class CPDF_Object; + +class CPDF_FontEncoding { + public: + CPDF_FontEncoding(); + explicit CPDF_FontEncoding(int PredefinedEncoding); + + void LoadEncoding(CPDF_Object* pEncoding); + + FX_BOOL IsIdentical(CPDF_FontEncoding* pAnother) const; + + FX_WCHAR UnicodeFromCharCode(uint8_t charcode) const { + return m_Unicodes[charcode]; + } + int CharCodeFromUnicode(FX_WCHAR unicode) const; + + void SetUnicode(uint8_t charcode, FX_WCHAR unicode) { + m_Unicodes[charcode] = unicode; + } + + CPDF_Object* Realize(); + + public: + FX_WCHAR m_Unicodes[256]; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONTENCODING_H_ diff --git a/core/fpdfapi/fpdf_page/cpdf_allstates.cpp b/core/fpdfapi/fpdf_page/cpdf_allstates.cpp index 96ccc77f81..5d02381d2e 100644 --- a/core/fpdfapi/fpdf_page/cpdf_allstates.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_allstates.cpp @@ -8,6 +8,7 @@ #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" namespace { diff --git a/core/fpdfapi/fpdf_page/cpdf_color.cpp b/core/fpdfapi/fpdf_page/cpdf_color.cpp new file mode 100644 index 0000000000..d174660d4a --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_color.cpp @@ -0,0 +1,180 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_page/include/cpdf_color.h" + +#include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fxcrt/include/fx_system.h" + +CPDF_Color::CPDF_Color(int family) { + m_pCS = CPDF_ColorSpace::GetStockCS(family); + int nComps = 3; + if (family == PDFCS_DEVICEGRAY) + nComps = 1; + else if (family == PDFCS_DEVICECMYK) + nComps = 4; + + m_pBuffer = FX_Alloc(FX_FLOAT, nComps); + for (int i = 0; i < nComps; i++) + m_pBuffer[i] = 0; +} + +CPDF_Color::~CPDF_Color() { + ReleaseBuffer(); + ReleaseColorSpace(); +} + +void CPDF_Color::ReleaseBuffer() { + if (!m_pBuffer) + return; + + if (m_pCS->GetFamily() == PDFCS_PATTERN) { + PatternValue* pvalue = (PatternValue*)m_pBuffer; + CPDF_Pattern* pPattern = + pvalue->m_pCountedPattern ? pvalue->m_pCountedPattern->get() : nullptr; + if (pPattern && pPattern->m_pDocument) { + CPDF_DocPageData* pPageData = pPattern->m_pDocument->GetPageData(); + if (pPageData) + pPageData->ReleasePattern(pPattern->m_pPatternObj); + } + } + FX_Free(m_pBuffer); + m_pBuffer = nullptr; +} + +void CPDF_Color::ReleaseColorSpace() { + if (m_pCS && m_pCS->m_pDocument && m_pCS->GetArray()) { + m_pCS->m_pDocument->GetPageData()->ReleaseColorSpace(m_pCS->GetArray()); + m_pCS = nullptr; + } +} + +void CPDF_Color::SetColorSpace(CPDF_ColorSpace* pCS) { + if (m_pCS == pCS) { + if (!m_pBuffer) + m_pBuffer = pCS->CreateBuf(); + + ReleaseColorSpace(); + m_pCS = pCS; + return; + } + ReleaseBuffer(); + ReleaseColorSpace(); + + m_pCS = pCS; + if (m_pCS) { + m_pBuffer = pCS->CreateBuf(); + pCS->GetDefaultColor(m_pBuffer); + } +} + +void CPDF_Color::SetValue(FX_FLOAT* comps) { + if (!m_pBuffer) + return; + if (m_pCS->GetFamily() != PDFCS_PATTERN) + FXSYS_memcpy(m_pBuffer, comps, m_pCS->CountComponents() * sizeof(FX_FLOAT)); +} + +void CPDF_Color::SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comps, int ncomps) { + if (ncomps > MAX_PATTERN_COLORCOMPS) + return; + + if (!m_pCS || m_pCS->GetFamily() != PDFCS_PATTERN) { + FX_Free(m_pBuffer); + m_pCS = CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN); + m_pBuffer = m_pCS->CreateBuf(); + } + + CPDF_DocPageData* pDocPageData = nullptr; + PatternValue* pvalue = (PatternValue*)m_pBuffer; + if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) { + pDocPageData = pvalue->m_pPattern->m_pDocument->GetPageData(); + if (pDocPageData) + pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj); + } + pvalue->m_nComps = ncomps; + pvalue->m_pPattern = pPattern; + if (ncomps) + FXSYS_memcpy(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT)); + + pvalue->m_pCountedPattern = nullptr; + if (pPattern && pPattern->m_pDocument) { + if (!pDocPageData) + pDocPageData = pPattern->m_pDocument->GetPageData(); + + pvalue->m_pCountedPattern = + pDocPageData->FindPatternPtr(pPattern->m_pPatternObj); + } +} + +void CPDF_Color::Copy(const CPDF_Color* pSrc) { + ReleaseBuffer(); + ReleaseColorSpace(); + + m_pCS = pSrc->m_pCS; + if (m_pCS && m_pCS->m_pDocument) { + CPDF_Array* pArray = m_pCS->GetArray(); + if (pArray) + m_pCS = m_pCS->m_pDocument->GetPageData()->GetCopiedColorSpace(pArray); + } + if (!m_pCS) + return; + + m_pBuffer = m_pCS->CreateBuf(); + FXSYS_memcpy(m_pBuffer, pSrc->m_pBuffer, m_pCS->GetBufSize()); + if (m_pCS->GetFamily() == PDFCS_PATTERN) { + PatternValue* pvalue = (PatternValue*)m_pBuffer; + if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) { + pvalue->m_pPattern = + pvalue->m_pPattern->m_pDocument->GetPageData()->GetPattern( + pvalue->m_pPattern->m_pPatternObj, FALSE, + &pvalue->m_pPattern->m_ParentMatrix); + } + } +} + +FX_BOOL CPDF_Color::GetRGB(int& R, int& G, int& B) const { + if (!m_pCS || !m_pBuffer) + return FALSE; + + FX_FLOAT r = 0.0f, g = 0.0f, b = 0.0f; + if (!m_pCS->GetRGB(m_pBuffer, r, g, b)) + return FALSE; + + R = (int32_t)(r * 255 + 0.5f); + G = (int32_t)(g * 255 + 0.5f); + B = (int32_t)(b * 255 + 0.5f); + return TRUE; +} + +CPDF_Pattern* CPDF_Color::GetPattern() const { + if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) + return nullptr; + + PatternValue* pvalue = (PatternValue*)m_pBuffer; + return pvalue->m_pPattern; +} + +CPDF_ColorSpace* CPDF_Color::GetPatternCS() const { + if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) + return nullptr; + return m_pCS->GetBaseCS(); +} + +FX_FLOAT* CPDF_Color::GetPatternColor() const { + if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) + return nullptr; + + PatternValue* pvalue = (PatternValue*)m_pBuffer; + return pvalue->m_nComps ? pvalue->m_Comps : nullptr; +} + +FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const { + return m_pCS && m_pCS == other.m_pCS && + FXSYS_memcmp(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0; +} diff --git a/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp b/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp new file mode 100644 index 0000000000..b1b464471d --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_colorspace.cpp @@ -0,0 +1,1253 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h" + +#include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" +#include "core/fpdfapi/include/cpdf_modulemgr.h" +#include "core/include/fxcodec/fx_codec.h" + +namespace { + +const uint8_t g_sRGBSamples1[] = { + 0, 3, 6, 10, 13, 15, 18, 20, 22, 23, 25, 27, 28, 30, 31, + 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 49, 50, 51, 52, 53, 53, 54, 55, 56, 56, 57, 58, 58, + 59, 60, 61, 61, 62, 62, 63, 64, 64, 65, 66, 66, 67, 67, 68, + 68, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 76, 76, + 77, 77, 78, 78, 79, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83, + 84, 84, 85, 85, 85, 86, 86, 87, 87, 88, 88, 88, 89, 89, 90, + 90, 91, 91, 91, 92, 92, 93, 93, 93, 94, 94, 95, 95, 95, 96, + 96, 97, 97, 97, 98, 98, 98, 99, 99, 99, 100, 100, 101, 101, 101, + 102, 102, 102, 103, 103, 103, 104, 104, 104, 105, 105, 106, 106, 106, 107, + 107, 107, 108, 108, 108, 109, 109, 109, 110, 110, 110, 110, 111, 111, 111, + 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 115, 116, 116, + 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120, +}; + +const uint8_t g_sRGBSamples2[] = { + 120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, + 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 148, 149, + 150, 151, 152, 153, 154, 155, 155, 156, 157, 158, 159, 159, 160, 161, 162, + 163, 163, 164, 165, 166, 167, 167, 168, 169, 170, 170, 171, 172, 173, 173, + 174, 175, 175, 176, 177, 178, 178, 179, 180, 180, 181, 182, 182, 183, 184, + 185, 185, 186, 187, 187, 188, 189, 189, 190, 190, 191, 192, 192, 193, 194, + 194, 195, 196, 196, 197, 197, 198, 199, 199, 200, 200, 201, 202, 202, 203, + 203, 204, 205, 205, 206, 206, 207, 208, 208, 209, 209, 210, 210, 211, 212, + 212, 213, 213, 214, 214, 215, 215, 216, 216, 217, 218, 218, 219, 219, 220, + 220, 221, 221, 222, 222, 223, 223, 224, 224, 225, 226, 226, 227, 227, 228, + 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, 233, 234, 234, 235, 235, + 236, 236, 237, 237, 238, 238, 238, 239, 239, 240, 240, 241, 241, 242, 242, + 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 249, 249, + 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255, +}; + +class CPDF_CalGray : public CPDF_ColorSpace { + public: + explicit CPDF_CalGray(CPDF_Document* pDoc); + + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + FX_BOOL SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const override; + + void TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask = FALSE) const override; + + private: + FX_FLOAT m_WhitePoint[3]; + FX_FLOAT m_BlackPoint[3]; + FX_FLOAT m_Gamma; +}; + +class CPDF_CalRGB : public CPDF_ColorSpace { + public: + explicit CPDF_CalRGB(CPDF_Document* pDoc); + + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + FX_BOOL SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const override; + + void TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask = FALSE) const override; + + FX_FLOAT m_WhitePoint[3]; + FX_FLOAT m_BlackPoint[3]; + FX_FLOAT m_Gamma[3]; + FX_FLOAT m_Matrix[9]; + FX_BOOL m_bGamma; + FX_BOOL m_bMatrix; +}; + +class CPDF_LabCS : public CPDF_ColorSpace { + public: + explicit CPDF_LabCS(CPDF_Document* pDoc); + + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + + void GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const override; + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + FX_BOOL SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const override; + + void TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask = FALSE) const override; + + FX_FLOAT m_WhitePoint[3]; + FX_FLOAT m_BlackPoint[3]; + FX_FLOAT m_Ranges[4]; +}; + +class CPDF_ICCBasedCS : public CPDF_ColorSpace { + public: + explicit CPDF_ICCBasedCS(CPDF_Document* pDoc); + ~CPDF_ICCBasedCS() override; + + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + FX_BOOL SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const override; + + FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, + FX_FLOAT& c, + FX_FLOAT& m, + FX_FLOAT& y, + FX_FLOAT& k) const override; + + void EnableStdConversion(FX_BOOL bEnabled) override; + void TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask = FALSE) const override; + + CPDF_ColorSpace* m_pAlterCS; + CPDF_IccProfile* m_pProfile; + uint8_t* m_pCache; + FX_FLOAT* m_pRanges; + FX_BOOL m_bOwn; +}; + +class CPDF_IndexedCS : public CPDF_ColorSpace { + public: + explicit CPDF_IndexedCS(CPDF_Document* pDoc); + ~CPDF_IndexedCS() override; + + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + CPDF_ColorSpace* GetBaseCS() const override; + + void EnableStdConversion(FX_BOOL bEnabled) override; + + CPDF_ColorSpace* m_pBaseCS; + CPDF_CountedColorSpace* m_pCountedBaseCS; + int m_nBaseComponents; + int m_MaxIndex; + CFX_ByteString m_Table; + FX_FLOAT* m_pCompMinMax; +}; + +class CPDF_SeparationCS : public CPDF_ColorSpace { + public: + explicit CPDF_SeparationCS(CPDF_Document* pDoc); + ~CPDF_SeparationCS() override; + + // CPDF_ColorSpace: + void GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const override; + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + void EnableStdConversion(FX_BOOL bEnabled) override; + + CPDF_ColorSpace* m_pAltCS; + CPDF_Function* m_pFunc; + enum { None, All, Colorant } m_Type; +}; + +class CPDF_DeviceNCS : public CPDF_ColorSpace { + public: + explicit CPDF_DeviceNCS(CPDF_Document* pDoc); + ~CPDF_DeviceNCS() override; + + // CPDF_ColorSpace: + void GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const override; + FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; + FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const override; + void EnableStdConversion(FX_BOOL bEnabled) override; + + CPDF_ColorSpace* m_pAltCS; + CPDF_Function* m_pFunc; +}; + +FX_FLOAT RGB_Conversion(FX_FLOAT colorComponent) { + if (colorComponent > 1) + colorComponent = 1; + if (colorComponent < 0) + colorComponent = 0; + + int scale = (int)(colorComponent * 1023); + if (scale < 0) + scale = 0; + if (scale < 192) + colorComponent = (g_sRGBSamples1[scale] / 255.0f); + else + colorComponent = (g_sRGBSamples2[scale / 4 - 48] / 255.0f); + return colorComponent; +} + +void XYZ_to_sRGB(FX_FLOAT X, + FX_FLOAT Y, + FX_FLOAT Z, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) { + FX_FLOAT R1 = 3.2410f * X - 1.5374f * Y - 0.4986f * Z; + FX_FLOAT G1 = -0.9692f * X + 1.8760f * Y + 0.0416f * Z; + FX_FLOAT B1 = 0.0556f * X - 0.2040f * Y + 1.0570f * Z; + + R = RGB_Conversion(R1); + G = RGB_Conversion(G1); + B = RGB_Conversion(B1); +} + +void XYZ_to_sRGB_WhitePoint(FX_FLOAT X, + FX_FLOAT Y, + FX_FLOAT Z, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B, + FX_FLOAT Xw, + FX_FLOAT Yw, + FX_FLOAT Zw) { + // The following RGB_xyz is based on + // sRGB value {Rx,Ry}={0.64, 0.33}, {Gx,Gy}={0.30, 0.60}, {Bx,By}={0.15, 0.06} + + FX_FLOAT Rx = 0.64f, Ry = 0.33f; + FX_FLOAT Gx = 0.30f, Gy = 0.60f; + FX_FLOAT Bx = 0.15f, By = 0.06f; + CFX_Matrix_3by3 RGB_xyz(Rx, Gx, Bx, Ry, Gy, By, 1 - Rx - Ry, 1 - Gx - Gy, + 1 - Bx - By); + CFX_Vector_3by1 whitePoint(Xw, Yw, Zw); + CFX_Vector_3by1 XYZ(X, Y, Z); + + CFX_Vector_3by1 RGB_Sum_XYZ = RGB_xyz.Inverse().TransformVector(whitePoint); + CFX_Matrix_3by3 RGB_SUM_XYZ_DIAG(RGB_Sum_XYZ.a, 0, 0, 0, RGB_Sum_XYZ.b, 0, 0, + 0, RGB_Sum_XYZ.c); + CFX_Matrix_3by3 M = RGB_xyz.Multiply(RGB_SUM_XYZ_DIAG); + CFX_Vector_3by1 RGB = M.Inverse().TransformVector(XYZ); + + R = RGB_Conversion(RGB.a); + G = RGB_Conversion(RGB.b); + B = RGB_Conversion(RGB.c); +} + +} // namespace + +CPDF_ColorSpace* CPDF_ColorSpace::ColorspaceFromName( + const CFX_ByteString& name) { + if (name == "DeviceRGB" || name == "RGB") { + return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB); + } + if (name == "DeviceGray" || name == "G") { + return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY); + } + if (name == "DeviceCMYK" || name == "CMYK") { + return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK); + } + if (name == "Pattern") { + return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN); + } + return NULL; +} + +CPDF_ColorSpace* CPDF_ColorSpace::GetStockCS(int family) { + return CPDF_ModuleMgr::Get()->GetPageModule()->GetStockCS(family); +} + +CPDF_ColorSpace* CPDF_ColorSpace::Load(CPDF_Document* pDoc, CPDF_Object* pObj) { + if (!pObj) + return nullptr; + if (pObj->IsName()) + return ColorspaceFromName(pObj->GetString()); + + if (CPDF_Stream* pStream = pObj->AsStream()) { + CPDF_Dictionary* pDict = pStream->GetDict(); + if (!pDict) + return nullptr; + + for (const auto& it : *pDict) { + CPDF_ColorSpace* pRet = nullptr; + CPDF_Object* pValue = it.second; + if (ToName(pValue)) + pRet = ColorspaceFromName(pValue->GetString()); + if (pRet) + return pRet; + } + return nullptr; + } + + CPDF_Array* pArray = pObj->AsArray(); + if (!pArray || pArray->GetCount() == 0) + return nullptr; + + CPDF_Object* pFamilyObj = pArray->GetElementValue(0); + if (!pFamilyObj) + return nullptr; + + CFX_ByteString familyname = pFamilyObj->GetString(); + if (pArray->GetCount() == 1) + return ColorspaceFromName(familyname); + + CPDF_ColorSpace* pCS = NULL; + FX_DWORD id = familyname.GetID(); + if (id == FXBSTR_ID('C', 'a', 'l', 'G')) { + pCS = new CPDF_CalGray(pDoc); + } else if (id == FXBSTR_ID('C', 'a', 'l', 'R')) { + pCS = new CPDF_CalRGB(pDoc); + } else if (id == FXBSTR_ID('L', 'a', 'b', 0)) { + pCS = new CPDF_LabCS(pDoc); + } else if (id == FXBSTR_ID('I', 'C', 'C', 'B')) { + pCS = new CPDF_ICCBasedCS(pDoc); + } else if (id == FXBSTR_ID('I', 'n', 'd', 'e') || + id == FXBSTR_ID('I', 0, 0, 0)) { + pCS = new CPDF_IndexedCS(pDoc); + } else if (id == FXBSTR_ID('S', 'e', 'p', 'a')) { + pCS = new CPDF_SeparationCS(pDoc); + } else if (id == FXBSTR_ID('D', 'e', 'v', 'i')) { + pCS = new CPDF_DeviceNCS(pDoc); + } else if (id == FXBSTR_ID('P', 'a', 't', 't')) { + pCS = new CPDF_PatternCS(pDoc); + } else { + return NULL; + } + pCS->m_pArray = pArray; + if (!pCS->v_Load(pDoc, pArray)) { + pCS->ReleaseCS(); + return NULL; + } + return pCS; +} + +void CPDF_ColorSpace::ReleaseCS() { + if (this == GetStockCS(PDFCS_DEVICERGB)) { + return; + } + if (this == GetStockCS(PDFCS_DEVICEGRAY)) { + return; + } + if (this == GetStockCS(PDFCS_DEVICECMYK)) { + return; + } + if (this == GetStockCS(PDFCS_PATTERN)) { + return; + } + delete this; +} + +int CPDF_ColorSpace::GetBufSize() const { + if (m_Family == PDFCS_PATTERN) { + return sizeof(PatternValue); + } + return m_nComponents * sizeof(FX_FLOAT); +} + +FX_FLOAT* CPDF_ColorSpace::CreateBuf() { + int size = GetBufSize(); + uint8_t* pBuf = FX_Alloc(uint8_t, size); + return (FX_FLOAT*)pBuf; +} + +FX_BOOL CPDF_ColorSpace::sRGB() const { + if (m_Family == PDFCS_DEVICERGB) { + return TRUE; + } + if (m_Family != PDFCS_ICCBASED) { + return FALSE; + } + CPDF_ICCBasedCS* pCS = (CPDF_ICCBasedCS*)this; + return pCS->m_pProfile->m_bsRGB; +} + +FX_BOOL CPDF_ColorSpace::GetCMYK(FX_FLOAT* pBuf, + FX_FLOAT& c, + FX_FLOAT& m, + FX_FLOAT& y, + FX_FLOAT& k) const { + if (v_GetCMYK(pBuf, c, m, y, k)) { + return TRUE; + } + FX_FLOAT R, G, B; + if (!GetRGB(pBuf, R, G, B)) { + return FALSE; + } + sRGB_to_AdobeCMYK(R, G, B, c, m, y, k); + return TRUE; +} + +FX_BOOL CPDF_ColorSpace::SetCMYK(FX_FLOAT* pBuf, + FX_FLOAT c, + FX_FLOAT m, + FX_FLOAT y, + FX_FLOAT k) const { + if (v_SetCMYK(pBuf, c, m, y, k)) { + return TRUE; + } + FX_FLOAT R, G, B; + AdobeCMYK_to_sRGB(c, m, y, k, R, G, B); + return SetRGB(pBuf, R, G, B); +} + +void CPDF_ColorSpace::GetDefaultColor(FX_FLOAT* buf) const { + if (!buf || m_Family == PDFCS_PATTERN) { + return; + } + FX_FLOAT min, max; + for (int i = 0; i < m_nComponents; i++) { + GetDefaultValue(i, buf[i], min, max); + } +} + +int CPDF_ColorSpace::GetMaxIndex() const { + if (m_Family != PDFCS_INDEXED) { + return 0; + } + CPDF_IndexedCS* pCS = (CPDF_IndexedCS*)this; + return pCS->m_MaxIndex; +} + +void CPDF_ColorSpace::TranslateImageLine(uint8_t* dest_buf, + const uint8_t* src_buf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask) const { + CFX_FixedBufGrow<FX_FLOAT, 16> srcbuf(m_nComponents); + FX_FLOAT* src = srcbuf; + FX_FLOAT R, G, B; + for (int i = 0; i < pixels; i++) { + for (int j = 0; j < m_nComponents; j++) + if (m_Family == PDFCS_INDEXED) { + src[j] = (FX_FLOAT)(*src_buf++); + } else { + src[j] = (FX_FLOAT)(*src_buf++) / 255; + } + GetRGB(src, R, G, B); + *dest_buf++ = (int32_t)(B * 255); + *dest_buf++ = (int32_t)(G * 255); + *dest_buf++ = (int32_t)(R * 255); + } +} + +void CPDF_ColorSpace::EnableStdConversion(FX_BOOL bEnabled) { + if (bEnabled) + m_dwStdConversion++; + else if (m_dwStdConversion) + m_dwStdConversion--; +} + +CPDF_CalGray::CPDF_CalGray(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_CALGRAY, 1) {} + +FX_BOOL CPDF_CalGray::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CPDF_Dictionary* pDict = pArray->GetDictAt(1); + if (!pDict) + return FALSE; + + CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint"); + int i; + for (i = 0; i < 3; i++) + m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0; + + pParam = pDict->GetArrayBy("BlackPoint"); + for (i = 0; i < 3; i++) + m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0; + + m_Gamma = pDict->GetNumberBy("Gamma"); + if (m_Gamma == 0) + m_Gamma = 1.0f; + return TRUE; +} + +FX_BOOL CPDF_CalGray::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + R = G = B = *pBuf; + return TRUE; +} + +FX_BOOL CPDF_CalGray::SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const { + if (R == G && R == B) { + *pBuf = R; + return TRUE; + } + return FALSE; +} + +void CPDF_CalGray::TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask) const { + for (int i = 0; i < pixels; i++) { + *pDestBuf++ = pSrcBuf[i]; + *pDestBuf++ = pSrcBuf[i]; + *pDestBuf++ = pSrcBuf[i]; + } +} + +CPDF_CalRGB::CPDF_CalRGB(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_CALRGB, 3) {} + +FX_BOOL CPDF_CalRGB::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CPDF_Dictionary* pDict = pArray->GetDictAt(1); + if (!pDict) + return FALSE; + + CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint"); + int i; + for (i = 0; i < 3; i++) + m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0; + + pParam = pDict->GetArrayBy("BlackPoint"); + for (i = 0; i < 3; i++) + m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0; + + pParam = pDict->GetArrayBy("Gamma"); + if (pParam) { + m_bGamma = TRUE; + for (i = 0; i < 3; i++) + m_Gamma[i] = pParam->GetNumberAt(i); + } else { + m_bGamma = FALSE; + } + + pParam = pDict->GetArrayBy("Matrix"); + if (pParam) { + m_bMatrix = TRUE; + for (i = 0; i < 9; i++) + m_Matrix[i] = pParam->GetNumberAt(i); + } else { + m_bMatrix = FALSE; + } + return TRUE; +} + +FX_BOOL CPDF_CalRGB::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + FX_FLOAT A_ = pBuf[0]; + FX_FLOAT B_ = pBuf[1]; + FX_FLOAT C_ = pBuf[2]; + if (m_bGamma) { + A_ = (FX_FLOAT)FXSYS_pow(A_, m_Gamma[0]); + B_ = (FX_FLOAT)FXSYS_pow(B_, m_Gamma[1]); + C_ = (FX_FLOAT)FXSYS_pow(C_, m_Gamma[2]); + } + + FX_FLOAT X; + FX_FLOAT Y; + FX_FLOAT Z; + if (m_bMatrix) { + X = m_Matrix[0] * A_ + m_Matrix[3] * B_ + m_Matrix[6] * C_; + Y = m_Matrix[1] * A_ + m_Matrix[4] * B_ + m_Matrix[7] * C_; + Z = m_Matrix[2] * A_ + m_Matrix[5] * B_ + m_Matrix[8] * C_; + } else { + X = A_; + Y = B_; + Z = C_; + } + XYZ_to_sRGB_WhitePoint(X, Y, Z, R, G, B, m_WhitePoint[0], m_WhitePoint[1], + m_WhitePoint[2]); + return TRUE; +} + +FX_BOOL CPDF_CalRGB::SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const { + pBuf[0] = R; + pBuf[1] = G; + pBuf[2] = B; + return TRUE; +} + +void CPDF_CalRGB::TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask) const { + if (bTransMask) { + FX_FLOAT Cal[3]; + FX_FLOAT R; + FX_FLOAT G; + FX_FLOAT B; + for (int i = 0; i < pixels; i++) { + Cal[0] = ((FX_FLOAT)pSrcBuf[2]) / 255; + Cal[1] = ((FX_FLOAT)pSrcBuf[1]) / 255; + Cal[2] = ((FX_FLOAT)pSrcBuf[0]) / 255; + GetRGB(Cal, R, G, B); + pDestBuf[0] = FXSYS_round(B * 255); + pDestBuf[1] = FXSYS_round(G * 255); + pDestBuf[2] = FXSYS_round(R * 255); + pSrcBuf += 3; + pDestBuf += 3; + } + } + ReverseRGB(pDestBuf, pSrcBuf, pixels); +} + +CPDF_LabCS::CPDF_LabCS(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_LAB, 3) {} + +void CPDF_LabCS::GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const { + assert(iComponent < 3); + value = 0; + if (iComponent == 0) { + min = 0; + max = 100 * 1.0f; + } else { + min = m_Ranges[iComponent * 2 - 2]; + max = m_Ranges[iComponent * 2 - 1]; + if (value < min) + value = min; + else if (value > max) + value = max; + } +} + +FX_BOOL CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CPDF_Dictionary* pDict = pArray->GetDictAt(1); + if (!pDict) + return FALSE; + + CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint"); + int i; + for (i = 0; i < 3; i++) + m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0; + + pParam = pDict->GetArrayBy("BlackPoint"); + for (i = 0; i < 3; i++) + m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0; + + pParam = pDict->GetArrayBy("Range"); + const FX_FLOAT def_ranges[4] = {-100 * 1.0f, 100 * 1.0f, -100 * 1.0f, + 100 * 1.0f}; + for (i = 0; i < 4; i++) + m_Ranges[i] = pParam ? pParam->GetNumberAt(i) : def_ranges[i]; + return TRUE; +} + +FX_BOOL CPDF_LabCS::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + FX_FLOAT Lstar = pBuf[0]; + FX_FLOAT astar = pBuf[1]; + FX_FLOAT bstar = pBuf[2]; + FX_FLOAT M = (Lstar + 16.0f) / 116.0f; + FX_FLOAT L = M + astar / 500.0f; + FX_FLOAT N = M - bstar / 200.0f; + FX_FLOAT X, Y, Z; + if (L < 0.2069f) + X = 0.957f * 0.12842f * (L - 0.1379f); + else + X = 0.957f * L * L * L; + + if (M < 0.2069f) + Y = 0.12842f * (M - 0.1379f); + else + Y = M * M * M; + + if (N < 0.2069f) + Z = 1.0889f * 0.12842f * (N - 0.1379f); + else + Z = 1.0889f * N * N * N; + + XYZ_to_sRGB(X, Y, Z, R, G, B); + return TRUE; +} + +FX_BOOL CPDF_LabCS::SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const { + return FALSE; +} + +void CPDF_LabCS::TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask) const { + for (int i = 0; i < pixels; i++) { + FX_FLOAT lab[3]; + FX_FLOAT R, G, B; + lab[0] = (pSrcBuf[0] * 100 / 255.0f); + lab[1] = (FX_FLOAT)(pSrcBuf[1] - 128); + lab[2] = (FX_FLOAT)(pSrcBuf[2] - 128); + GetRGB(lab, R, G, B); + pDestBuf[0] = (int32_t)(B * 255); + pDestBuf[1] = (int32_t)(G * 255); + pDestBuf[2] = (int32_t)(R * 255); + pDestBuf += 3; + pSrcBuf += 3; + } +} + +CPDF_ICCBasedCS::CPDF_ICCBasedCS(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_ICCBASED, 0), + m_pAlterCS(nullptr), + m_pProfile(nullptr), + m_pCache(nullptr), + m_pRanges(nullptr), + m_bOwn(FALSE) {} + +CPDF_ICCBasedCS::~CPDF_ICCBasedCS() { + FX_Free(m_pCache); + FX_Free(m_pRanges); + if (m_pAlterCS && m_bOwn) + m_pAlterCS->ReleaseCS(); + if (m_pProfile && m_pDocument) + m_pDocument->GetPageData()->ReleaseIccProfile(m_pProfile); +} + +FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CPDF_Stream* pStream = pArray->GetStreamAt(1); + if (!pStream) + return FALSE; + + m_pProfile = pDoc->LoadIccProfile(pStream); + if (!m_pProfile) + return FALSE; + + m_nComponents = + m_pProfile + ->GetComponents(); // Try using the nComponents from ICC profile + CPDF_Dictionary* pDict = pStream->GetDict(); + if (!m_pProfile->m_pTransform) { // No valid ICC profile or using sRGB + CPDF_Object* pAlterCSObj = + pDict ? pDict->GetElementValue("Alternate") : nullptr; + if (pAlterCSObj) { + CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj); + if (pAlterCS) { + if (m_nComponents == 0) { // NO valid ICC profile + if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace + m_nComponents = pAlterCS->CountComponents(); + m_pAlterCS = pAlterCS; + m_bOwn = TRUE; + } else { // No valid alternative colorspace + pAlterCS->ReleaseCS(); + int32_t nDictComponents = pDict ? pDict->GetIntegerBy("N") : 0; + if (nDictComponents != 1 && nDictComponents != 3 && + nDictComponents != 4) { + return FALSE; + } + m_nComponents = nDictComponents; + } + + } else { // Using sRGB + if (pAlterCS->CountComponents() != m_nComponents) { + pAlterCS->ReleaseCS(); + } else { + m_pAlterCS = pAlterCS; + m_bOwn = TRUE; + } + } + } + } + if (!m_pAlterCS) { + if (m_nComponents == 1) + m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY); + else if (m_nComponents == 3) + m_pAlterCS = GetStockCS(PDFCS_DEVICERGB); + else if (m_nComponents == 4) + m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK); + } + } + CPDF_Array* pRanges = pDict->GetArrayBy("Range"); + m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2); + for (int i = 0; i < m_nComponents * 2; i++) { + if (pRanges) + m_pRanges[i] = pRanges->GetNumberAt(i); + else if (i % 2) + m_pRanges[i] = 1.0f; + else + m_pRanges[i] = 0; + } + return TRUE; +} + +FX_BOOL CPDF_ICCBasedCS::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + if (m_pProfile && m_pProfile->m_bsRGB) { + R = pBuf[0]; + G = pBuf[1]; + B = pBuf[2]; + return TRUE; + } + ICodec_IccModule* pIccModule = CPDF_ModuleMgr::Get()->GetIccModule(); + if (!m_pProfile->m_pTransform || !pIccModule) { + if (m_pAlterCS) { + return m_pAlterCS->GetRGB(pBuf, R, G, B); + } + R = G = B = 0.0f; + return TRUE; + } + FX_FLOAT rgb[3]; + pIccModule->SetComponents(m_nComponents); + pIccModule->Translate(m_pProfile->m_pTransform, pBuf, rgb); + R = rgb[0]; + G = rgb[1]; + B = rgb[2]; + return TRUE; +} + +FX_BOOL CPDF_ICCBasedCS::SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const { + return FALSE; +} + +FX_BOOL CPDF_ICCBasedCS::v_GetCMYK(FX_FLOAT* pBuf, + FX_FLOAT& c, + FX_FLOAT& m, + FX_FLOAT& y, + FX_FLOAT& k) const { + if (m_nComponents != 4) + return FALSE; + + c = pBuf[0]; + m = pBuf[1]; + y = pBuf[2]; + k = pBuf[3]; + return TRUE; +} + +void CPDF_ICCBasedCS::EnableStdConversion(FX_BOOL bEnabled) { + CPDF_ColorSpace::EnableStdConversion(bEnabled); + if (m_pAlterCS) + m_pAlterCS->EnableStdConversion(bEnabled); +} + +void CPDF_ICCBasedCS::TranslateImageLine(uint8_t* pDestBuf, + const uint8_t* pSrcBuf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask) const { + if (m_pProfile->m_bsRGB) { + ReverseRGB(pDestBuf, pSrcBuf, pixels); + } else if (m_pProfile->m_pTransform) { + int nMaxColors = 1; + for (int i = 0; i < m_nComponents; i++) { + nMaxColors *= 52; + } + if (m_nComponents > 3 || image_width * image_height < nMaxColors * 3 / 2) { + CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline( + m_pProfile->m_pTransform, pDestBuf, pSrcBuf, pixels); + } else { + if (!m_pCache) { + ((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc2D(uint8_t, nMaxColors, 3); + uint8_t* temp_src = FX_Alloc2D(uint8_t, nMaxColors, m_nComponents); + uint8_t* pSrc = temp_src; + for (int i = 0; i < nMaxColors; i++) { + FX_DWORD color = i; + FX_DWORD order = nMaxColors / 52; + for (int c = 0; c < m_nComponents; c++) { + *pSrc++ = (uint8_t)(color / order * 5); + color %= order; + order /= 52; + } + } + CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline( + m_pProfile->m_pTransform, m_pCache, temp_src, nMaxColors); + FX_Free(temp_src); + } + for (int i = 0; i < pixels; i++) { + int index = 0; + for (int c = 0; c < m_nComponents; c++) { + index = index * 52 + (*pSrcBuf) / 5; + pSrcBuf++; + } + index *= 3; + *pDestBuf++ = m_pCache[index]; + *pDestBuf++ = m_pCache[index + 1]; + *pDestBuf++ = m_pCache[index + 2]; + } + } + } else if (m_pAlterCS) { + m_pAlterCS->TranslateImageLine(pDestBuf, pSrcBuf, pixels, image_width, + image_height); + } +} + +CPDF_IndexedCS::CPDF_IndexedCS(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_INDEXED, 1), + m_pBaseCS(nullptr), + m_pCountedBaseCS(nullptr), + m_pCompMinMax(nullptr) {} + +CPDF_IndexedCS::~CPDF_IndexedCS() { + FX_Free(m_pCompMinMax); + CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL; + if (pCS && m_pDocument) { + m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); + } +} + +FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + if (pArray->GetCount() < 4) { + return FALSE; + } + CPDF_Object* pBaseObj = pArray->GetElementValue(1); + if (pBaseObj == m_pArray) { + return FALSE; + } + CPDF_DocPageData* pDocPageData = pDoc->GetPageData(); + m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL); + if (!m_pBaseCS) { + return FALSE; + } + m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray()); + m_nBaseComponents = m_pBaseCS->CountComponents(); + m_pCompMinMax = FX_Alloc2D(FX_FLOAT, m_nBaseComponents, 2); + FX_FLOAT defvalue; + for (int i = 0; i < m_nBaseComponents; i++) { + m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2], + m_pCompMinMax[i * 2 + 1]); + m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2]; + } + m_MaxIndex = pArray->GetIntegerAt(2); + + CPDF_Object* pTableObj = pArray->GetElementValue(3); + if (!pTableObj) + return FALSE; + + if (CPDF_String* pString = pTableObj->AsString()) { + m_Table = pString->GetString(); + } else if (CPDF_Stream* pStream = pTableObj->AsStream()) { + CPDF_StreamAcc acc; + acc.LoadAllData(pStream, FALSE); + m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize()); + } + return TRUE; +} + +FX_BOOL CPDF_IndexedCS::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + int index = (int32_t)(*pBuf); + if (index < 0 || index > m_MaxIndex) { + return FALSE; + } + if (m_nBaseComponents) { + if (index == INT_MAX || (index + 1) > INT_MAX / m_nBaseComponents || + (index + 1) * m_nBaseComponents > (int)m_Table.GetLength()) { + R = G = B = 0; + return FALSE; + } + } + CFX_FixedBufGrow<FX_FLOAT, 16> Comps(m_nBaseComponents); + FX_FLOAT* comps = Comps; + const uint8_t* pTable = m_Table; + for (int i = 0; i < m_nBaseComponents; i++) { + comps[i] = + m_pCompMinMax[i * 2] + + m_pCompMinMax[i * 2 + 1] * pTable[index * m_nBaseComponents + i] / 255; + } + return m_pBaseCS->GetRGB(comps, R, G, B); +} + +CPDF_ColorSpace* CPDF_IndexedCS::GetBaseCS() const { + return m_pBaseCS; +} + +void CPDF_IndexedCS::EnableStdConversion(FX_BOOL bEnabled) { + CPDF_ColorSpace::EnableStdConversion(bEnabled); + if (m_pBaseCS) { + m_pBaseCS->EnableStdConversion(bEnabled); + } +} + +CPDF_PatternCS::CPDF_PatternCS(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_PATTERN, 1), + m_pBaseCS(nullptr), + m_pCountedBaseCS(nullptr) {} + +CPDF_PatternCS::~CPDF_PatternCS() { + CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL; + if (pCS && m_pDocument) { + m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); + } +} + +FX_BOOL CPDF_PatternCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CPDF_Object* pBaseCS = pArray->GetElementValue(1); + if (pBaseCS == m_pArray) { + return FALSE; + } + CPDF_DocPageData* pDocPageData = pDoc->GetPageData(); + m_pBaseCS = pDocPageData->GetColorSpace(pBaseCS, NULL); + if (m_pBaseCS) { + if (m_pBaseCS->GetFamily() == PDFCS_PATTERN) { + return FALSE; + } + m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray()); + m_nComponents = m_pBaseCS->CountComponents() + 1; + if (m_pBaseCS->CountComponents() > MAX_PATTERN_COLORCOMPS) { + return FALSE; + } + } else { + m_nComponents = 1; + } + return TRUE; +} + +FX_BOOL CPDF_PatternCS::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + if (m_pBaseCS) { + ASSERT(m_pBaseCS->GetFamily() != PDFCS_PATTERN); + PatternValue* pvalue = (PatternValue*)pBuf; + if (m_pBaseCS->GetRGB(pvalue->m_Comps, R, G, B)) { + return TRUE; + } + } + R = G = B = 0.75f; + return FALSE; +} + +CPDF_ColorSpace* CPDF_PatternCS::GetBaseCS() const { + return m_pBaseCS; +} + +CPDF_SeparationCS::CPDF_SeparationCS(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_SEPARATION, 1), + m_pAltCS(nullptr), + m_pFunc(nullptr) {} + +CPDF_SeparationCS::~CPDF_SeparationCS() { + if (m_pAltCS) { + m_pAltCS->ReleaseCS(); + } + delete m_pFunc; +} + +void CPDF_SeparationCS::GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const { + value = 1.0f; + min = 0; + max = 1.0f; +} + +FX_BOOL CPDF_SeparationCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CFX_ByteString name = pArray->GetStringAt(1); + if (name == "None") { + m_Type = None; + } else { + m_Type = Colorant; + CPDF_Object* pAltCS = pArray->GetElementValue(2); + if (pAltCS == m_pArray) { + return FALSE; + } + m_pAltCS = Load(pDoc, pAltCS); + if (!m_pAltCS) { + return FALSE; + } + CPDF_Object* pFuncObj = pArray->GetElementValue(3); + if (pFuncObj && !pFuncObj->IsName()) + m_pFunc = CPDF_Function::Load(pFuncObj); + + if (m_pFunc && m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) { + delete m_pFunc; + m_pFunc = NULL; + } + } + return TRUE; +} + +FX_BOOL CPDF_SeparationCS::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + if (m_Type == None) { + return FALSE; + } + if (!m_pFunc) { + if (!m_pAltCS) { + return FALSE; + } + int nComps = m_pAltCS->CountComponents(); + CFX_FixedBufGrow<FX_FLOAT, 16> results(nComps); + for (int i = 0; i < nComps; i++) { + results[i] = *pBuf; + } + return m_pAltCS->GetRGB(results, R, G, B); + } + CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs()); + int nresults = 0; + m_pFunc->Call(pBuf, 1, results, nresults); + if (nresults == 0) { + return FALSE; + } + if (m_pAltCS) { + return m_pAltCS->GetRGB(results, R, G, B); + } + R = G = B = 0; + return FALSE; +} + +void CPDF_SeparationCS::EnableStdConversion(FX_BOOL bEnabled) { + CPDF_ColorSpace::EnableStdConversion(bEnabled); + if (m_pAltCS) { + m_pAltCS->EnableStdConversion(bEnabled); + } +} + +CPDF_DeviceNCS::CPDF_DeviceNCS(CPDF_Document* pDoc) + : CPDF_ColorSpace(pDoc, PDFCS_DEVICEN, 0), + m_pAltCS(nullptr), + m_pFunc(nullptr) {} + +CPDF_DeviceNCS::~CPDF_DeviceNCS() { + delete m_pFunc; + if (m_pAltCS) { + m_pAltCS->ReleaseCS(); + } +} + +void CPDF_DeviceNCS::GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const { + value = 1.0f; + min = 0; + max = 1.0f; +} + +FX_BOOL CPDF_DeviceNCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + CPDF_Array* pObj = ToArray(pArray->GetElementValue(1)); + if (!pObj) + return FALSE; + + m_nComponents = pObj->GetCount(); + CPDF_Object* pAltCS = pArray->GetElementValue(2); + if (!pAltCS || pAltCS == m_pArray) { + return FALSE; + } + m_pAltCS = Load(pDoc, pAltCS); + m_pFunc = CPDF_Function::Load(pArray->GetElementValue(3)); + if (!m_pAltCS || !m_pFunc) { + return FALSE; + } + if (m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) { + return FALSE; + } + return TRUE; +} + +FX_BOOL CPDF_DeviceNCS::GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const { + if (!m_pFunc) { + return FALSE; + } + CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs()); + int nresults = 0; + m_pFunc->Call(pBuf, m_nComponents, results, nresults); + if (nresults == 0) { + return FALSE; + } + return m_pAltCS->GetRGB(results, R, G, B); +} + +void CPDF_DeviceNCS::EnableStdConversion(FX_BOOL bEnabled) { + CPDF_ColorSpace::EnableStdConversion(bEnabled); + if (m_pAltCS) { + m_pAltCS->EnableStdConversion(bEnabled); + } +} diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp index 02999c9d13..81e5e41d60 100644 --- a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp @@ -6,6 +6,10 @@ #include "core/fpdfapi/fpdf_page/cpdf_colorstate.h" +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" +#include "core/include/fxge/fx_dib.h" + void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues) { diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h index 319fea51ae..96e43bd9f3 100644 --- a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h +++ b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h @@ -7,8 +7,8 @@ #ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_ #define CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_ +#include "core/fpdfapi/fpdf_page/include/cpdf_color.h" #include "core/fxcrt/include/fx_system.h" -#include "core/include/fpdfapi/fpdf_resource.h" class CPDF_ColorStateData { public: diff --git a/core/fpdfapi/fpdf_page/cpdf_countedobject.h b/core/fpdfapi/fpdf_page/cpdf_countedobject.h new file mode 100644 index 0000000000..da840bec60 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_countedobject.h @@ -0,0 +1,45 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ + +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h" +#include "core/fxcrt/include/fx_system.h" + +template <class T> +class CPDF_CountedObject { + public: + explicit CPDF_CountedObject(T* ptr) : m_nCount(1), m_pObj(ptr) {} + void reset(T* ptr) { // CAUTION: tosses prior ref counts. + m_nCount = 1; + m_pObj = ptr; + } + void clear() { // Now you're all weak ptrs ... + delete m_pObj; + m_pObj = nullptr; + } + T* get() const { return m_pObj; } + T* AddRef() { + FXSYS_assert(m_pObj); + ++m_nCount; + return m_pObj; + } + void RemoveRef() { + if (m_nCount) + --m_nCount; + } + size_t use_count() const { return m_nCount; } + + protected: + size_t m_nCount; + T* m_pObj; +}; +using CPDF_CountedColorSpace = CPDF_CountedObject<CPDF_ColorSpace>; +using CPDF_CountedPattern = CPDF_CountedObject<CPDF_Pattern>; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp b/core/fpdfapi/fpdf_page/cpdf_image.cpp index 50e4f79881..d9e7d774be 100644 --- a/core/fpdfapi/fpdf_edit/fpdf_edit_image.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_image.cpp @@ -1,20 +1,78 @@ -// Copyright 2014 PDFium Authors. All rights reserved. +// Copyright 2016 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -#include "core/fpdfapi/fpdf_page/include/cpdf_page.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" + +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/include/cpdf_modulemgr.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/include/fxge/fx_dib.h" #include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/include/fxcodec/fx_codec.h" #include "core/fpdfapi/fpdf_parser/cpdf_boolean.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h" #include "core/fpdfapi/fpdf_render/render_int.h" -#include "core/fpdfapi/include/cpdf_modulemgr.h" -#include "core/include/fxcodec/fx_codec.h" + +CPDF_Image::CPDF_Image(CPDF_Document* pDoc) + : m_pDIBSource(nullptr), + m_pMask(nullptr), + m_MatteColor(0), + m_pStream(nullptr), + m_bInline(FALSE), + m_pInlineDict(nullptr), + m_pDocument(pDoc), + m_pOC(nullptr) {} + +CPDF_Image::~CPDF_Image() { + if (m_bInline) { + if (m_pStream) + m_pStream->Release(); + if (m_pInlineDict) + m_pInlineDict->Release(); + } +} + +void CPDF_Image::Release() { + if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) + delete this; +} + +CPDF_Image* CPDF_Image::Clone() { + if (m_pStream->GetObjNum()) + return m_pDocument->GetPageData()->GetImage(m_pStream); + + CPDF_Image* pImage = new CPDF_Image(m_pDocument); + pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline); + if (m_bInline) + pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE))); + + return pImage; +} + +FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) { + m_pStream = pStream; + if (m_bInline && m_pInlineDict) { + m_pInlineDict->Release(); + m_pInlineDict = NULL; + } + m_bInline = bInline; + CPDF_Dictionary* pDict = pStream->GetDict(); + if (m_bInline) { + m_pInlineDict = ToDictionary(pDict->Clone()); + } + m_pOC = pDict->GetDictBy("OC"); + m_bIsMask = + !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask"); + m_bInterpolate = pDict->GetIntegerBy("Interpolate"); + m_Height = pDict->GetIntegerBy("Height"); + m_Width = pDict->GetIntegerBy("Width"); + return TRUE; +} CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) { int32_t width; @@ -61,6 +119,7 @@ CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, FX_DWORD size) { } return pDict; } + void CPDF_Image::SetJpegImage(uint8_t* pData, FX_DWORD size) { CPDF_Dictionary* pDict = InitJPEG(pData, size); if (!pDict) { @@ -68,6 +127,7 @@ void CPDF_Image::SetJpegImage(uint8_t* pData, FX_DWORD size) { } m_pStream->InitStream(pData, size, pDict); } + void CPDF_Image::SetJpegImage(IFX_FileRead* pFile) { FX_DWORD size = (FX_DWORD)pFile->GetSize(); if (!size) { @@ -92,23 +152,12 @@ void CPDF_Image::SetJpegImage(IFX_FileRead* pFile) { } m_pStream->InitStreamFromFile(pFile, pDict); } -void _DCTEncodeBitmap(CPDF_Dictionary* pBitmapDict, - const CFX_DIBitmap* pBitmap, - int quality, - uint8_t*& buf, - FX_STRSIZE& size) {} -void _JBIG2EncodeBitmap(CPDF_Dictionary* pBitmapDict, - const CFX_DIBitmap* pBitmap, - CPDF_Document* pDoc, - uint8_t*& buf, - FX_STRSIZE& size, - FX_BOOL bLossLess) {} + void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, int32_t iCompress, IFX_FileWrite* pFileWrite, IFX_FileRead* pFileRead, - const CFX_DIBitmap* pMask, - const CPDF_ImageSetParam* pParam) { + const CFX_DIBitmap* pMask) { int32_t BitmapWidth = pBitmap->GetWidth(); int32_t BitmapHeight = pBitmap->GetHeight(); if (BitmapWidth < 1 || BitmapHeight < 1) { @@ -117,8 +166,7 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, uint8_t* src_buf = pBitmap->GetBuffer(); int32_t src_pitch = pBitmap->GetPitch(); int32_t bpp = pBitmap->GetBPP(); - FX_BOOL bUseMatte = - pParam && pParam->pMatteColor && (pBitmap->GetFormat() == FXDIB_Argb); + CPDF_Dictionary* pDict = new CPDF_Dictionary; pDict->SetAtName("Type", "XObject"); pDict->SetAtName("Subtype", "Image"); @@ -234,11 +282,7 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, pMaskDict->SetAtInteger("BitsPerComponent", 8); if (pMaskBitmap->GetBPP() == 8 && (iCompress & PDF_IMAGE_MASK_LOSSY_COMPRESS) != 0) { - _DCTEncodeBitmap(pMaskDict, pMaskBitmap, pParam ? pParam->nQuality : 75, - mask_buf, mask_size); } else if (pMaskBitmap->GetFormat() == FXDIB_1bppMask) { - _JBIG2EncodeBitmap(pMaskDict, pMaskBitmap, m_pDocument, mask_buf, - mask_size, TRUE); } else { mask_buf = FX_Alloc2D(uint8_t, maskHeight, maskWidth); mask_size = maskHeight * maskWidth; // Safe since checked alloc returned. @@ -248,15 +292,7 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, } } pMaskDict->SetAtInteger("Length", mask_size); - if (bUseMatte) { - int a, r, g, b; - ArgbDecode(*(pParam->pMatteColor), a, r, g, b); - CPDF_Array* pMatte = new CPDF_Array; - pMatte->AddInteger(r); - pMatte->AddInteger(g); - pMatte->AddInteger(b); - pMaskDict->SetAt("Matte", pMatte); - } + CPDF_Stream* pMaskStream = new CPDF_Stream(mask_buf, mask_size, pMaskDict); m_pDocument->AddIndirectObject(pMaskStream); pDict->SetAtReference("SMask", m_pDocument, pMaskStream); @@ -267,14 +303,8 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, FX_BOOL bStream = pFileWrite && pFileRead; if (opType == 0) { if (iCompress & PDF_IMAGE_LOSSLESS_COMPRESS) { - if (pBitmap->GetBPP() == 1) { - _JBIG2EncodeBitmap(pDict, pBitmap, m_pDocument, dest_buf, dest_size, - TRUE); - } } else { if (pBitmap->GetBPP() == 1) { - _JBIG2EncodeBitmap(pDict, pBitmap, m_pDocument, dest_buf, dest_size, - FALSE); } else if (pBitmap->GetBPP() >= 8 && pBitmap->GetPalette()) { CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap(); pNewBitmap->Copy(pBitmap); @@ -289,32 +319,6 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, dest_size = 0; delete pNewBitmap; return; - } else { - if (bUseMatte) { - CFX_DIBitmap* pNewBitmap = new CFX_DIBitmap(); - pNewBitmap->Create(BitmapWidth, BitmapHeight, FXDIB_Argb); - uint8_t* dst_buf = pNewBitmap->GetBuffer(); - int32_t src_offset = 0; - for (int32_t row = 0; row < BitmapHeight; row++) { - src_offset = row * src_pitch; - for (int32_t column = 0; column < BitmapWidth; column++) { - FX_FLOAT alpha = src_buf[src_offset + 3] / 255.0f; - dst_buf[src_offset] = (uint8_t)(src_buf[src_offset] * alpha); - dst_buf[src_offset + 1] = - (uint8_t)(src_buf[src_offset + 1] * alpha); - dst_buf[src_offset + 2] = - (uint8_t)(src_buf[src_offset + 2] * alpha); - dst_buf[src_offset + 3] = (uint8_t)(src_buf[src_offset + 3]); - src_offset += 4; - } - } - _DCTEncodeBitmap(pDict, pNewBitmap, pParam ? pParam->nQuality : 75, - dest_buf, dest_size); - delete pNewBitmap; - } else { - _DCTEncodeBitmap(pDict, pBitmap, pParam ? pParam->nQuality : 75, - dest_buf, dest_size); - } } } if (bStream) { @@ -352,7 +356,7 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, for (int32_t row = 0; row < BitmapHeight; row++) { src_offset = row * src_pitch; for (int32_t column = 0; column < BitmapWidth; column++) { - FX_FLOAT alpha = bUseMatte ? src_buf[src_offset + 3] / 255.0f : 1; + FX_FLOAT alpha = 1; pDest[dest_offset] = (uint8_t)(src_buf[src_offset + 2] * alpha); pDest[dest_offset + 1] = (uint8_t)(src_buf[src_offset + 1] * alpha); pDest[dest_offset + 2] = (uint8_t)(src_buf[src_offset] * alpha); @@ -386,6 +390,72 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, m_Height = BitmapHeight; FX_Free(dest_buf); } + void CPDF_Image::ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pBitmap) { pPage->GetRenderCache()->ResetBitmap(m_pStream, pBitmap); } + +CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask, + FX_DWORD* pMatteColor, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask) const { + std::unique_ptr<CPDF_DIBSource> source(new CPDF_DIBSource); + if (source->Load(m_pDocument, m_pStream, + reinterpret_cast<CPDF_DIBSource**>(ppMask), pMatteColor, + nullptr, nullptr, bStdCS, GroupFamily, bLoadMask)) { + return source.release(); + } + return nullptr; +} + +CFX_DIBSource* CPDF_Image::DetachBitmap() { + CFX_DIBSource* pBitmap = m_pDIBSource; + m_pDIBSource = nullptr; + return pBitmap; +} + +CFX_DIBSource* CPDF_Image::DetachMask() { + CFX_DIBSource* pBitmap = m_pMask; + m_pMask = nullptr; + return pBitmap; +} + +FX_BOOL CPDF_Image::StartLoadDIBSource(CPDF_Dictionary* pFormResource, + CPDF_Dictionary* pPageResource, + FX_BOOL bStdCS, + FX_DWORD GroupFamily, + FX_BOOL bLoadMask) { + std::unique_ptr<CPDF_DIBSource> source(new CPDF_DIBSource); + int ret = + source->StartLoadDIBSource(m_pDocument, m_pStream, TRUE, pFormResource, + pPageResource, bStdCS, GroupFamily, bLoadMask); + if (ret == 2) { + m_pDIBSource = source.release(); + return TRUE; + } + if (!ret) { + m_pDIBSource = nullptr; + return FALSE; + } + m_pMask = source->DetachMask(); + m_MatteColor = source->GetMatteColor(); + m_pDIBSource = source.release(); + return FALSE; +} + +FX_BOOL CPDF_Image::Continue(IFX_Pause* pPause) { + CPDF_DIBSource* pSource = static_cast<CPDF_DIBSource*>(m_pDIBSource); + int ret = pSource->ContinueLoadDIBSource(pPause); + if (ret == 2) { + return TRUE; + } + if (!ret) { + delete m_pDIBSource; + m_pDIBSource = nullptr; + return FALSE; + } + m_pMask = pSource->DetachMask(); + m_MatteColor = pSource->GetMatteColor(); + return FALSE; +} diff --git a/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp b/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp index f339935ecb..6203d56273 100644 --- a/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp @@ -6,6 +6,7 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp new file mode 100644 index 0000000000..1d983d2b25 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp @@ -0,0 +1,119 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_page/cpdf_meshstream.h" + +#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h" +#include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" + +FX_BOOL CPDF_MeshStream::Load(CPDF_Stream* pShadingStream, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS) { + m_Stream.LoadAllData(pShadingStream); + m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize()); + m_pFuncs = pFuncs; + m_nFuncs = nFuncs; + m_pCS = pCS; + CPDF_Dictionary* pDict = pShadingStream->GetDict(); + m_nCoordBits = pDict->GetIntegerBy("BitsPerCoordinate"); + m_nCompBits = pDict->GetIntegerBy("BitsPerComponent"); + m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag"); + if (!m_nCoordBits || !m_nCompBits) + return FALSE; + + FX_DWORD nComps = pCS->CountComponents(); + if (nComps > 8) + return FALSE; + + m_nComps = nFuncs ? 1 : nComps; + if (((int)m_nComps < 0) || m_nComps > 8) + return FALSE; + + m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1; + m_CompMax = (1 << m_nCompBits) - 1; + CPDF_Array* pDecode = pDict->GetArrayBy("Decode"); + if (!pDecode || pDecode->GetCount() != 4 + m_nComps * 2) + return FALSE; + + m_xmin = pDecode->GetNumberAt(0); + m_xmax = pDecode->GetNumberAt(1); + m_ymin = pDecode->GetNumberAt(2); + m_ymax = pDecode->GetNumberAt(3); + for (FX_DWORD i = 0; i < m_nComps; i++) { + m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4); + m_ColorMax[i] = pDecode->GetNumberAt(i * 2 + 5); + } + return TRUE; +} + +FX_DWORD CPDF_MeshStream::GetFlag() { + return m_BitStream.GetBits(m_nFlagBits) & 0x03; +} + +void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y) { + if (m_nCoordBits == 32) { + x = m_xmin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * + (m_xmax - m_xmin) / (double)m_CoordMax); + y = m_ymin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * + (m_ymax - m_ymin) / (double)m_CoordMax); + } else { + x = m_xmin + + m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / m_CoordMax; + y = m_ymin + + m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / m_CoordMax; + } +} + +void CPDF_MeshStream::GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b) { + FX_DWORD i; + FX_FLOAT color_value[8]; + for (i = 0; i < m_nComps; i++) { + color_value[i] = m_ColorMin[i] + + m_BitStream.GetBits(m_nCompBits) * + (m_ColorMax[i] - m_ColorMin[i]) / m_CompMax; + } + if (m_nFuncs) { + static const int kMaxResults = 8; + FX_FLOAT result[kMaxResults]; + int nResults; + FXSYS_memset(result, 0, sizeof(result)); + for (FX_DWORD i = 0; i < m_nFuncs; i++) { + if (m_pFuncs[i] && m_pFuncs[i]->CountOutputs() <= kMaxResults) { + m_pFuncs[i]->Call(color_value, 1, result, nResults); + } + } + m_pCS->GetRGB(result, r, g, b); + } else { + m_pCS->GetRGB(color_value, r, g, b); + } +} + +FX_DWORD CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex, + CFX_Matrix* pObject2Bitmap) { + FX_DWORD flag = GetFlag(); + GetCoords(vertex.x, vertex.y); + pObject2Bitmap->Transform(vertex.x, vertex.y); + GetColor(vertex.r, vertex.g, vertex.b); + m_BitStream.ByteAlign(); + return flag; +} + +FX_BOOL CPDF_MeshStream::GetVertexRow(CPDF_MeshVertex* vertex, + int count, + CFX_Matrix* pObject2Bitmap) { + for (int i = 0; i < count; i++) { + if (m_BitStream.IsEOF()) + return FALSE; + + GetCoords(vertex[i].x, vertex[i].y); + pObject2Bitmap->Transform(vertex[i].x, vertex[i].y); + GetColor(vertex[i].r, vertex[i].g, vertex[i].b); + m_BitStream.ByteAlign(); + } + return TRUE; +} diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.h b/core/fpdfapi/fpdf_page/cpdf_meshstream.h new file mode 100644 index 0000000000..4934c0b133 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_meshstream.h @@ -0,0 +1,63 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_ + +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" +#include "core/fxcrt/include/fx_basic.h" +#include "core/fxcrt/include/fx_system.h" + +struct CPDF_MeshVertex { + FX_FLOAT x; + FX_FLOAT y; + FX_FLOAT r; + FX_FLOAT g; + FX_FLOAT b; +}; + +class CFX_Matrix; +class CPDF_ColorSpace; +class CPDF_Function; +class CPDF_Stream; + +class CPDF_MeshStream { + public: + FX_BOOL Load(CPDF_Stream* pShadingStream, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS); + + FX_DWORD GetFlag(); + + void GetCoords(FX_FLOAT& x, FX_FLOAT& y); + void GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b); + + FX_DWORD GetVertex(CPDF_MeshVertex& vertex, CFX_Matrix* pObject2Bitmap); + FX_BOOL GetVertexRow(CPDF_MeshVertex* vertex, + int count, + CFX_Matrix* pObject2Bitmap); + + CPDF_Function** m_pFuncs; + CPDF_ColorSpace* m_pCS; + FX_DWORD m_nFuncs; + FX_DWORD m_nCoordBits; + FX_DWORD m_nCompBits; + FX_DWORD m_nFlagBits; + FX_DWORD m_nComps; + FX_DWORD m_CoordMax; + FX_DWORD m_CompMax; + FX_FLOAT m_xmin; + FX_FLOAT m_xmax; + FX_FLOAT m_ymin; + FX_FLOAT m_ymax; + FX_FLOAT m_ColorMin[8]; + FX_FLOAT m_ColorMax[8]; + CPDF_StreamAcc m_Stream; + CFX_BitStream m_BitStream; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_ diff --git a/core/fpdfapi/fpdf_page/cpdf_page.cpp b/core/fpdfapi/fpdf_page/cpdf_page.cpp index 2c01cd5573..6fd9b0a9b3 100644 --- a/core/fpdfapi/fpdf_page/cpdf_page.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_page.cpp @@ -9,6 +9,7 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fpdfapi/ipdf_rendermodule.h" diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp index fa6347e5bc..cd6eca5adc 100644 --- a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp @@ -8,6 +8,7 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" #include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" CPDF_PageObjectHolder::CPDF_PageObjectHolder() : m_pFormDict(nullptr), diff --git a/core/fpdfapi/fpdf_page/cpdf_pattern.cpp b/core/fpdfapi/fpdf_page/cpdf_pattern.cpp new file mode 100644 index 0000000000..fc9d10e7ab --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_pattern.cpp @@ -0,0 +1,21 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" + +CPDF_Pattern::CPDF_Pattern(PatternType type, + CPDF_Document* pDoc, + CPDF_Object* pObj, + const CFX_Matrix* pParentMatrix) + : m_PatternType(type), + m_pDocument(pDoc), + m_pPatternObj(pObj), + m_bForceClear(FALSE) { + if (pParentMatrix) + m_ParentMatrix = *pParentMatrix; +} + +CPDF_Pattern::~CPDF_Pattern() {} diff --git a/core/fpdfapi/fpdf_page/cpdf_pattern.h b/core/fpdfapi/fpdf_page/cpdf_pattern.h new file mode 100644 index 0000000000..7f9a33bac9 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_pattern.h @@ -0,0 +1,39 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_PATTERN_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_PATTERN_H_ + +#include "core/fxcrt/include/fx_coordinates.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Document; +class CPDF_Object; + +class CPDF_Pattern { + public: + enum PatternType { TILING = 1, SHADING }; + + virtual ~CPDF_Pattern(); + + void SetForceClear(FX_BOOL bForceClear) { m_bForceClear = bForceClear; } + + const PatternType m_PatternType; + CPDF_Document* const m_pDocument; + CPDF_Object* const m_pPatternObj; + CFX_Matrix m_Pattern2Form; + CFX_Matrix m_ParentMatrix; + + protected: + CPDF_Pattern(PatternType type, + CPDF_Document* pDoc, + CPDF_Object* pObj, + const CFX_Matrix* pParentMatrix); + + FX_BOOL m_bForceClear; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_PATTERN_H_ diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp b/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp index 16287fe692..56dd6d4af4 100644 --- a/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp @@ -6,6 +6,7 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp new file mode 100644 index 0000000000..6ccf1403f9 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp @@ -0,0 +1,101 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" + +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" + +namespace { + +ShadingType ToShadingType(int type) { + return (type > static_cast<int>(kInvalidShading) && + type < static_cast<int>(kMaxShading)) + ? static_cast<ShadingType>(type) + : kInvalidShading; +} + +} // namespace + +CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc, + CPDF_Object* pPatternObj, + FX_BOOL bShading, + const CFX_Matrix* parentMatrix) + : CPDF_Pattern(SHADING, + pDoc, + bShading ? nullptr : pPatternObj, + parentMatrix), + m_ShadingType(kInvalidShading), + m_bShadingObj(bShading), + m_pShadingObj(pPatternObj), + m_pCS(nullptr), + m_pCountedCS(nullptr), + m_nFuncs(0) { + if (!bShading) { + CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); + m_Pattern2Form = pDict->GetMatrixBy("Matrix"); + m_pShadingObj = pDict->GetElementValue("Shading"); + if (parentMatrix) + m_Pattern2Form.Concat(*parentMatrix); + } + for (int i = 0; i < FX_ArraySize(m_pFunctions); ++i) + m_pFunctions[i] = nullptr; +} + +CPDF_ShadingPattern::~CPDF_ShadingPattern() { + for (int i = 0; i < m_nFuncs; ++i) + delete m_pFunctions[i]; + + CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : nullptr; + if (pCS && m_pDocument) + m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); +} + +FX_BOOL CPDF_ShadingPattern::Load() { + if (m_ShadingType != kInvalidShading) + return TRUE; + + CPDF_Dictionary* pShadingDict = + m_pShadingObj ? m_pShadingObj->GetDict() : nullptr; + if (!pShadingDict) + return FALSE; + + if (m_nFuncs) { + for (int i = 0; i < m_nFuncs; i++) + delete m_pFunctions[i]; + m_nFuncs = 0; + } + CPDF_Object* pFunc = pShadingDict->GetElementValue("Function"); + if (pFunc) { + if (CPDF_Array* pArray = pFunc->AsArray()) { + m_nFuncs = std::min<int>(pArray->GetCount(), 4); + + for (int i = 0; i < m_nFuncs; i++) + m_pFunctions[i] = CPDF_Function::Load(pArray->GetElementValue(i)); + } else { + m_pFunctions[0] = CPDF_Function::Load(pFunc); + m_nFuncs = 1; + } + } + CPDF_Object* pCSObj = pShadingDict->GetElementValue("ColorSpace"); + if (!pCSObj) + return FALSE; + + CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData(); + m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr); + if (m_pCS) + m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray()); + + m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType")); + + // We expect to have a stream if our shading type is a mesh. + if (IsMeshShading() && !ToStream(m_pShadingObj)) + return FALSE; + + return TRUE; +} diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingpattern.h b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.h new file mode 100644 index 0000000000..55a249a1bc --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_shadingpattern.h @@ -0,0 +1,62 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_ + +#include "core/fpdfapi/fpdf_page/cpdf_countedobject.h" +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/pageint.h" +#include "core/fxcrt/include/fx_system.h" + +typedef enum { + kInvalidShading = 0, + kFunctionBasedShading = 1, + kAxialShading = 2, + kRadialShading = 3, + kFreeFormGouraudTriangleMeshShading = 4, + kLatticeFormGouraudTriangleMeshShading = 5, + kCoonsPatchMeshShading = 6, + kTensorProductPatchMeshShading = 7, + kMaxShading = 8 +} ShadingType; + +class CFX_Matrix; +class CPDF_ColorSpace; +class CPDF_Document; +class CPDF_Object; + +class CPDF_ShadingPattern : public CPDF_Pattern { + public: + CPDF_ShadingPattern(CPDF_Document* pDoc, + CPDF_Object* pPatternObj, + FX_BOOL bShading, + const CFX_Matrix* parentMatrix); + + ~CPDF_ShadingPattern() override; + + bool IsMeshShading() const { + return m_ShadingType == kFreeFormGouraudTriangleMeshShading || + m_ShadingType == kLatticeFormGouraudTriangleMeshShading || + m_ShadingType == kCoonsPatchMeshShading || + m_ShadingType == kTensorProductPatchMeshShading; + } + FX_BOOL Load(); + + ShadingType m_ShadingType; + FX_BOOL m_bShadingObj; + CPDF_Object* m_pShadingObj; + + // Still keep |m_pCS| as some CPDF_ColorSpace (name object) are not managed + // as counted objects. Refer to CPDF_DocPageData::GetColorSpace. + CPDF_ColorSpace* m_pCS; + + CPDF_CountedColorSpace* m_pCountedCS; + CPDF_Function* m_pFunctions[4]; + int m_nFuncs; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_SHADINGPATTERN_H_ diff --git a/core/fpdfapi/fpdf_page/cpdf_textobject.cpp b/core/fpdfapi/fpdf_page/cpdf_textobject.cpp index ef37b30631..cf588dcf3d 100644 --- a/core/fpdfapi/fpdf_page/cpdf_textobject.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_textobject.cpp @@ -6,6 +6,9 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h" +#include "core/fpdfapi/fpdf_font/cpdf_cidfont.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" + CPDF_TextObject::CPDF_TextObject() : m_PosX(0), m_PosY(0), diff --git a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp index f56d58ed0a..5269cae44b 100644 --- a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp @@ -4,6 +4,7 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" #include "core/fpdfapi/fpdf_page/cpdf_textstate.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" diff --git a/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp index af65fb530a..5cd6061542 100644 --- a/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp +++ b/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp @@ -6,9 +6,9 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" -#include "core/include/fpdfapi/fpdf_resource.h" CPDF_TextStateData::CPDF_TextStateData() : m_pFont(nullptr), diff --git a/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp new file mode 100644 index 0000000000..f49ad2b8fb --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.cpp @@ -0,0 +1,51 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" + +#include "core/fpdfapi/fpdf_page/include/cpdf_form.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" + +CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, + CPDF_Object* pPatternObj, + const CFX_Matrix* parentMatrix) + : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) { + CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); + m_Pattern2Form = pDict->GetMatrixBy("Matrix"); + m_bColored = pDict->GetIntegerBy("PaintType") == 1; + if (parentMatrix) + m_Pattern2Form.Concat(*parentMatrix); + + m_pForm = nullptr; +} + +CPDF_TilingPattern::~CPDF_TilingPattern() { + delete m_pForm; +} + +FX_BOOL CPDF_TilingPattern::Load() { + if (m_pForm) + return TRUE; + + CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); + if (!pDict) + return FALSE; + + m_bColored = pDict->GetIntegerBy("PaintType") == 1; + m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep")); + m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep")); + + CPDF_Stream* pStream = m_pPatternObj->AsStream(); + if (!pStream) + return FALSE; + + m_pForm = new CPDF_Form(m_pDocument, NULL, pStream); + m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL); + m_BBox = pDict->GetRectBy("BBox"); + return TRUE; +} diff --git a/core/fpdfapi/fpdf_page/cpdf_tilingpattern.h b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.h new file mode 100644 index 0000000000..44446eac91 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_tilingpattern.h @@ -0,0 +1,34 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_TILINGPATTERN_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_TILINGPATTERN_H_ + +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fxcrt/include/fx_coordinates.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Document; +class CPDF_Form; +class CPDF_Object; + +class CPDF_TilingPattern : public CPDF_Pattern { + public: + CPDF_TilingPattern(CPDF_Document* pDoc, + CPDF_Object* pPatternObj, + const CFX_Matrix* parentMatrix); + ~CPDF_TilingPattern() override; + + FX_BOOL Load(); + + FX_BOOL m_bColored; + CFX_FloatRect m_BBox; + FX_FLOAT m_XStep; + FX_FLOAT m_YStep; + CPDF_Form* m_pForm; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_TILINGPATTERN_H_ diff --git a/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp b/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp index d4b69f2d3f..cc40976f29 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp @@ -13,12 +13,24 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/include/fxcodec/fx_codec.h" namespace { +FX_DWORD ComponentsForFamily(int family) { + if (family == PDFCS_DEVICERGB) + return 3; + if (family == PDFCS_DEVICEGRAY) + return 1; + return 4; +} + +} // namespace + void sRGB_to_AdobeCMYK(FX_FLOAT R, FX_FLOAT G, FX_FLOAT B, @@ -38,14 +50,6 @@ void sRGB_to_AdobeCMYK(FX_FLOAT R, } } -FX_DWORD ComponentsForFamily(int family) { - if (family == PDFCS_DEVICERGB) - return 3; - if (family == PDFCS_DEVICEGRAY) - return 1; - return 4; -} - void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels) { if (pDestBuf == pSrcBuf) { for (int i = 0; i < pixels; i++) { @@ -64,8 +68,6 @@ void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels) { } } -} // namespace - CPDF_DeviceCS::CPDF_DeviceCS(CPDF_Document* pDoc, int family) : CPDF_ColorSpace(pDoc, family, ComponentsForFamily(family)) {} @@ -213,420 +215,7 @@ void CPDF_DeviceCS::TranslateImageLine(uint8_t* pDestBuf, } } } -const uint8_t g_sRGBSamples1[] = { - 0, 3, 6, 10, 13, 15, 18, 20, 22, 23, 25, 27, 28, 30, 31, - 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 49, 50, 51, 52, 53, 53, 54, 55, 56, 56, 57, 58, 58, - 59, 60, 61, 61, 62, 62, 63, 64, 64, 65, 66, 66, 67, 67, 68, - 68, 69, 70, 70, 71, 71, 72, 72, 73, 73, 74, 74, 75, 76, 76, - 77, 77, 78, 78, 79, 79, 79, 80, 80, 81, 81, 82, 82, 83, 83, - 84, 84, 85, 85, 85, 86, 86, 87, 87, 88, 88, 88, 89, 89, 90, - 90, 91, 91, 91, 92, 92, 93, 93, 93, 94, 94, 95, 95, 95, 96, - 96, 97, 97, 97, 98, 98, 98, 99, 99, 99, 100, 100, 101, 101, 101, - 102, 102, 102, 103, 103, 103, 104, 104, 104, 105, 105, 106, 106, 106, 107, - 107, 107, 108, 108, 108, 109, 109, 109, 110, 110, 110, 110, 111, 111, 111, - 112, 112, 112, 113, 113, 113, 114, 114, 114, 115, 115, 115, 115, 116, 116, - 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120, -}; -const uint8_t g_sRGBSamples2[] = { - 120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, - 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 148, 149, - 150, 151, 152, 153, 154, 155, 155, 156, 157, 158, 159, 159, 160, 161, 162, - 163, 163, 164, 165, 166, 167, 167, 168, 169, 170, 170, 171, 172, 173, 173, - 174, 175, 175, 176, 177, 178, 178, 179, 180, 180, 181, 182, 182, 183, 184, - 185, 185, 186, 187, 187, 188, 189, 189, 190, 190, 191, 192, 192, 193, 194, - 194, 195, 196, 196, 197, 197, 198, 199, 199, 200, 200, 201, 202, 202, 203, - 203, 204, 205, 205, 206, 206, 207, 208, 208, 209, 209, 210, 210, 211, 212, - 212, 213, 213, 214, 214, 215, 215, 216, 216, 217, 218, 218, 219, 219, 220, - 220, 221, 221, 222, 222, 223, 223, 224, 224, 225, 226, 226, 227, 227, 228, - 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, 233, 234, 234, 235, 235, - 236, 236, 237, 237, 238, 238, 238, 239, 239, 240, 240, 241, 241, 242, 242, - 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 249, 249, - 250, 250, 251, 251, 251, 252, 252, 253, 253, 254, 254, 255, 255, -}; - -static FX_FLOAT RGB_Conversion(FX_FLOAT colorComponent) { - if (colorComponent > 1) { - colorComponent = 1; - } - if (colorComponent < 0) { - colorComponent = 0; - } - int scale = (int)(colorComponent * 1023); - if (scale < 0) { - scale = 0; - } - if (scale < 192) { - colorComponent = (g_sRGBSamples1[scale] / 255.0f); - } else { - colorComponent = (g_sRGBSamples2[scale / 4 - 48] / 255.0f); - } - return colorComponent; -} - -static void XYZ_to_sRGB(FX_FLOAT X, - FX_FLOAT Y, - FX_FLOAT Z, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) { - FX_FLOAT R1 = 3.2410f * X - 1.5374f * Y - 0.4986f * Z; - FX_FLOAT G1 = -0.9692f * X + 1.8760f * Y + 0.0416f * Z; - FX_FLOAT B1 = 0.0556f * X - 0.2040f * Y + 1.0570f * Z; - - R = RGB_Conversion(R1); - G = RGB_Conversion(G1); - B = RGB_Conversion(B1); -} - -static void XYZ_to_sRGB_WhitePoint(FX_FLOAT X, - FX_FLOAT Y, - FX_FLOAT Z, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B, - FX_FLOAT Xw, - FX_FLOAT Yw, - FX_FLOAT Zw) { - // The following RGB_xyz is based on - // sRGB value {Rx,Ry}={0.64, 0.33}, {Gx,Gy}={0.30, 0.60}, {Bx,By}={0.15, 0.06} - - FX_FLOAT Rx = 0.64f, Ry = 0.33f; - FX_FLOAT Gx = 0.30f, Gy = 0.60f; - FX_FLOAT Bx = 0.15f, By = 0.06f; - CFX_Matrix_3by3 RGB_xyz(Rx, Gx, Bx, Ry, Gy, By, 1 - Rx - Ry, 1 - Gx - Gy, - 1 - Bx - By); - CFX_Vector_3by1 whitePoint(Xw, Yw, Zw); - CFX_Vector_3by1 XYZ(X, Y, Z); - - CFX_Vector_3by1 RGB_Sum_XYZ = RGB_xyz.Inverse().TransformVector(whitePoint); - CFX_Matrix_3by3 RGB_SUM_XYZ_DIAG(RGB_Sum_XYZ.a, 0, 0, 0, RGB_Sum_XYZ.b, 0, 0, - 0, RGB_Sum_XYZ.c); - CFX_Matrix_3by3 M = RGB_xyz.Multiply(RGB_SUM_XYZ_DIAG); - CFX_Vector_3by1 RGB = M.Inverse().TransformVector(XYZ); - - R = RGB_Conversion(RGB.a); - G = RGB_Conversion(RGB.b); - B = RGB_Conversion(RGB.c); -} -class CPDF_CalGray : public CPDF_ColorSpace { - public: - explicit CPDF_CalGray(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_CALGRAY, 1) {} - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - FX_BOOL SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const override; - void TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask = FALSE) const override; - private: - FX_FLOAT m_WhitePoint[3]; - FX_FLOAT m_BlackPoint[3]; - FX_FLOAT m_Gamma; -}; - -FX_BOOL CPDF_CalGray::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CPDF_Dictionary* pDict = pArray->GetDictAt(1); - if (!pDict) - return FALSE; - - CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint"); - int i; - for (i = 0; i < 3; i++) { - m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0; - } - pParam = pDict->GetArrayBy("BlackPoint"); - for (i = 0; i < 3; i++) { - m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0; - } - m_Gamma = pDict->GetNumberBy("Gamma"); - if (m_Gamma == 0) { - m_Gamma = 1.0f; - } - return TRUE; -} -FX_BOOL CPDF_CalGray::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - R = G = B = *pBuf; - return TRUE; -} -FX_BOOL CPDF_CalGray::SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const { - if (R == G && R == B) { - *pBuf = R; - return TRUE; - } - return FALSE; -} -void CPDF_CalGray::TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask) const { - for (int i = 0; i < pixels; i++) { - *pDestBuf++ = pSrcBuf[i]; - *pDestBuf++ = pSrcBuf[i]; - *pDestBuf++ = pSrcBuf[i]; - } -} -class CPDF_CalRGB : public CPDF_ColorSpace { - public: - explicit CPDF_CalRGB(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_CALRGB, 3) {} - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - FX_BOOL SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const override; - void TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask = FALSE) const override; - - FX_FLOAT m_WhitePoint[3]; - FX_FLOAT m_BlackPoint[3]; - FX_FLOAT m_Gamma[3]; - FX_FLOAT m_Matrix[9]; - FX_BOOL m_bGamma; - FX_BOOL m_bMatrix; -}; -FX_BOOL CPDF_CalRGB::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CPDF_Dictionary* pDict = pArray->GetDictAt(1); - if (!pDict) - return FALSE; - - CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint"); - int i; - for (i = 0; i < 3; i++) { - m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0; - } - pParam = pDict->GetArrayBy("BlackPoint"); - for (i = 0; i < 3; i++) { - m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0; - } - pParam = pDict->GetArrayBy("Gamma"); - if (pParam) { - m_bGamma = TRUE; - for (i = 0; i < 3; i++) { - m_Gamma[i] = pParam->GetNumberAt(i); - } - } else { - m_bGamma = FALSE; - } - pParam = pDict->GetArrayBy("Matrix"); - if (pParam) { - m_bMatrix = TRUE; - for (i = 0; i < 9; i++) { - m_Matrix[i] = pParam->GetNumberAt(i); - } - } else { - m_bMatrix = FALSE; - } - return TRUE; -} -FX_BOOL CPDF_CalRGB::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - FX_FLOAT A_ = pBuf[0]; - FX_FLOAT B_ = pBuf[1]; - FX_FLOAT C_ = pBuf[2]; - if (m_bGamma) { - A_ = (FX_FLOAT)FXSYS_pow(A_, m_Gamma[0]); - B_ = (FX_FLOAT)FXSYS_pow(B_, m_Gamma[1]); - C_ = (FX_FLOAT)FXSYS_pow(C_, m_Gamma[2]); - } - FX_FLOAT X, Y, Z; - if (m_bMatrix) { - X = m_Matrix[0] * A_ + m_Matrix[3] * B_ + m_Matrix[6] * C_; - Y = m_Matrix[1] * A_ + m_Matrix[4] * B_ + m_Matrix[7] * C_; - Z = m_Matrix[2] * A_ + m_Matrix[5] * B_ + m_Matrix[8] * C_; - } else { - X = A_; - Y = B_; - Z = C_; - } - XYZ_to_sRGB_WhitePoint(X, Y, Z, R, G, B, m_WhitePoint[0], m_WhitePoint[1], - m_WhitePoint[2]); - return TRUE; -} -FX_BOOL CPDF_CalRGB::SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const { - pBuf[0] = R; - pBuf[1] = G; - pBuf[2] = B; - return TRUE; -} -void CPDF_CalRGB::TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask) const { - if (bTransMask) { - FX_FLOAT Cal[3]; - FX_FLOAT R, G, B; - for (int i = 0; i < pixels; i++) { - Cal[0] = ((FX_FLOAT)pSrcBuf[2]) / 255; - Cal[1] = ((FX_FLOAT)pSrcBuf[1]) / 255; - Cal[2] = ((FX_FLOAT)pSrcBuf[0]) / 255; - GetRGB(Cal, R, G, B); - pDestBuf[0] = FXSYS_round(B * 255); - pDestBuf[1] = FXSYS_round(G * 255); - pDestBuf[2] = FXSYS_round(R * 255); - pSrcBuf += 3; - pDestBuf += 3; - } - } - ReverseRGB(pDestBuf, pSrcBuf, pixels); -} -class CPDF_LabCS : public CPDF_ColorSpace { - public: - explicit CPDF_LabCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_LAB, 3) {} - void GetDefaultValue(int iComponent, - FX_FLOAT& value, - FX_FLOAT& min, - FX_FLOAT& max) const override; - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - FX_BOOL SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const override; - void TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask = FALSE) const override; - - FX_FLOAT m_WhitePoint[3]; - FX_FLOAT m_BlackPoint[3]; - FX_FLOAT m_Ranges[4]; -}; -FX_BOOL CPDF_LabCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CPDF_Dictionary* pDict = pArray->GetDictAt(1); - if (!pDict) { - return FALSE; - } - CPDF_Array* pParam = pDict->GetArrayBy("WhitePoint"); - int i; - for (i = 0; i < 3; i++) { - m_WhitePoint[i] = pParam ? pParam->GetNumberAt(i) : 0; - } - pParam = pDict->GetArrayBy("BlackPoint"); - for (i = 0; i < 3; i++) { - m_BlackPoint[i] = pParam ? pParam->GetNumberAt(i) : 0; - } - pParam = pDict->GetArrayBy("Range"); - const FX_FLOAT def_ranges[4] = {-100 * 1.0f, 100 * 1.0f, -100 * 1.0f, - 100 * 1.0f}; - for (i = 0; i < 4; i++) { - m_Ranges[i] = pParam ? pParam->GetNumberAt(i) : def_ranges[i]; - } - return TRUE; -} -void CPDF_LabCS::GetDefaultValue(int iComponent, - FX_FLOAT& value, - FX_FLOAT& min, - FX_FLOAT& max) const { - assert(iComponent < 3); - value = 0; - if (iComponent == 0) { - min = 0; - max = 100 * 1.0f; - } else { - min = m_Ranges[iComponent * 2 - 2]; - max = m_Ranges[iComponent * 2 - 1]; - if (value < min) { - value = min; - } else if (value > max) { - value = max; - } - } -} -FX_BOOL CPDF_LabCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - FX_FLOAT Lstar = pBuf[0]; - FX_FLOAT astar = pBuf[1]; - FX_FLOAT bstar = pBuf[2]; - FX_FLOAT M = (Lstar + 16.0f) / 116.0f; - FX_FLOAT L = M + astar / 500.0f; - FX_FLOAT N = M - bstar / 200.0f; - FX_FLOAT X, Y, Z; - if (L < 0.2069f) { - X = 0.957f * 0.12842f * (L - 0.1379f); - } else { - X = 0.957f * L * L * L; - } - if (M < 0.2069f) { - Y = 0.12842f * (M - 0.1379f); - } else { - Y = M * M * M; - } - if (N < 0.2069f) { - Z = 1.0889f * 0.12842f * (N - 0.1379f); - } else { - Z = 1.0889f * N * N * N; - } - XYZ_to_sRGB(X, Y, Z, R, G, B); - return TRUE; -} -FX_BOOL CPDF_LabCS::SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const { - return FALSE; -} -void CPDF_LabCS::TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask) const { - for (int i = 0; i < pixels; i++) { - FX_FLOAT lab[3]; - FX_FLOAT R, G, B; - lab[0] = (pSrcBuf[0] * 100 / 255.0f); - lab[1] = (FX_FLOAT)(pSrcBuf[1] - 128); - lab[2] = (FX_FLOAT)(pSrcBuf[2] - 128); - GetRGB(lab, R, G, B); - pDestBuf[0] = (int32_t)(B * 255); - pDestBuf[1] = (int32_t)(G * 255); - pDestBuf[2] = (int32_t)(R * 255); - pDestBuf += 3; - pSrcBuf += 3; - } -} CPDF_IccProfile::CPDF_IccProfile(const uint8_t* pData, FX_DWORD dwSize) : m_bsRGB(FALSE), m_pTransform(NULL), m_nSrcComponents(0) { if (dwSize == 3144 && @@ -643,907 +232,4 @@ CPDF_IccProfile::~CPDF_IccProfile() { CPDF_ModuleMgr::Get()->GetIccModule()->DestroyTransform(m_pTransform); } } -class CPDF_ICCBasedCS : public CPDF_ColorSpace { - public: - explicit CPDF_ICCBasedCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_ICCBASED, 0), - m_pAlterCS(nullptr), - m_pProfile(nullptr), - m_pCache(nullptr), - m_pRanges(nullptr), - m_bOwn(FALSE) {} - ~CPDF_ICCBasedCS() override; - - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - FX_BOOL SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const override; - FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, - FX_FLOAT& c, - FX_FLOAT& m, - FX_FLOAT& y, - FX_FLOAT& k) const override; - void EnableStdConversion(FX_BOOL bEnabled) override; - void TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask = FALSE) const override; - - CPDF_ColorSpace* m_pAlterCS; - CPDF_IccProfile* m_pProfile; - uint8_t* m_pCache; - FX_FLOAT* m_pRanges; - FX_BOOL m_bOwn; -}; - -CPDF_ICCBasedCS::~CPDF_ICCBasedCS() { - FX_Free(m_pCache); - FX_Free(m_pRanges); - if (m_pAlterCS && m_bOwn) { - m_pAlterCS->ReleaseCS(); - } - if (m_pProfile && m_pDocument) { - m_pDocument->GetPageData()->ReleaseIccProfile(m_pProfile); - } -} - -FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CPDF_Stream* pStream = pArray->GetStreamAt(1); - if (!pStream) { - return FALSE; - } - m_pProfile = pDoc->LoadIccProfile(pStream); - if (!m_pProfile) { - return FALSE; - } - m_nComponents = - m_pProfile - ->GetComponents(); // Try using the nComponents from ICC profile - CPDF_Dictionary* pDict = pStream->GetDict(); - if (!m_pProfile->m_pTransform) { // No valid ICC profile or using sRGB - CPDF_Object* pAlterCSObj = - pDict ? pDict->GetElementValue("Alternate") : NULL; - if (pAlterCSObj) { - CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj); - if (pAlterCS) { - if (m_nComponents == 0) { // NO valid ICC profile - if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace - m_nComponents = pAlterCS->CountComponents(); - m_pAlterCS = pAlterCS; - m_bOwn = TRUE; - } else { // No valid alternative colorspace - pAlterCS->ReleaseCS(); - int32_t nDictComponents = pDict ? pDict->GetIntegerBy("N") : 0; - if (nDictComponents != 1 && nDictComponents != 3 && - nDictComponents != 4) { - return FALSE; - } - m_nComponents = nDictComponents; - } - - } else { // Using sRGB - if (pAlterCS->CountComponents() != m_nComponents) { - pAlterCS->ReleaseCS(); - } else { - m_pAlterCS = pAlterCS; - m_bOwn = TRUE; - } - } - } - } - if (!m_pAlterCS) { - if (m_nComponents == 1) { - m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY); - } else if (m_nComponents == 3) { - m_pAlterCS = GetStockCS(PDFCS_DEVICERGB); - } else if (m_nComponents == 4) { - m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK); - } - } - } - CPDF_Array* pRanges = pDict->GetArrayBy("Range"); - m_pRanges = FX_Alloc2D(FX_FLOAT, m_nComponents, 2); - for (int i = 0; i < m_nComponents * 2; i++) { - if (pRanges) { - m_pRanges[i] = pRanges->GetNumberAt(i); - } else if (i % 2) { - m_pRanges[i] = 1.0f; - } else { - m_pRanges[i] = 0; - } - } - return TRUE; -} -FX_BOOL CPDF_ICCBasedCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - if (m_pProfile && m_pProfile->m_bsRGB) { - R = pBuf[0]; - G = pBuf[1]; - B = pBuf[2]; - return TRUE; - } - ICodec_IccModule* pIccModule = CPDF_ModuleMgr::Get()->GetIccModule(); - if (!m_pProfile->m_pTransform || !pIccModule) { - if (m_pAlterCS) { - return m_pAlterCS->GetRGB(pBuf, R, G, B); - } - R = G = B = 0.0f; - return TRUE; - } - FX_FLOAT rgb[3]; - pIccModule->SetComponents(m_nComponents); - pIccModule->Translate(m_pProfile->m_pTransform, pBuf, rgb); - R = rgb[0]; - G = rgb[1]; - B = rgb[2]; - return TRUE; -} -FX_BOOL CPDF_ICCBasedCS::v_GetCMYK(FX_FLOAT* pBuf, - FX_FLOAT& c, - FX_FLOAT& m, - FX_FLOAT& y, - FX_FLOAT& k) const { - if (m_nComponents != 4) { - return FALSE; - } - c = pBuf[0]; - m = pBuf[1]; - y = pBuf[2]; - k = pBuf[3]; - return TRUE; -} -FX_BOOL CPDF_ICCBasedCS::SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const { - return FALSE; -} -void CPDF_ICCBasedCS::EnableStdConversion(FX_BOOL bEnabled) { - CPDF_ColorSpace::EnableStdConversion(bEnabled); - if (m_pAlterCS) { - m_pAlterCS->EnableStdConversion(bEnabled); - } -} -void CPDF_ICCBasedCS::TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask) const { - if (m_pProfile->m_bsRGB) { - ReverseRGB(pDestBuf, pSrcBuf, pixels); - } else if (m_pProfile->m_pTransform) { - int nMaxColors = 1; - for (int i = 0; i < m_nComponents; i++) { - nMaxColors *= 52; - } - if (m_nComponents > 3 || image_width * image_height < nMaxColors * 3 / 2) { - CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline( - m_pProfile->m_pTransform, pDestBuf, pSrcBuf, pixels); - } else { - if (!m_pCache) { - ((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc2D(uint8_t, nMaxColors, 3); - uint8_t* temp_src = FX_Alloc2D(uint8_t, nMaxColors, m_nComponents); - uint8_t* pSrc = temp_src; - for (int i = 0; i < nMaxColors; i++) { - FX_DWORD color = i; - FX_DWORD order = nMaxColors / 52; - for (int c = 0; c < m_nComponents; c++) { - *pSrc++ = (uint8_t)(color / order * 5); - color %= order; - order /= 52; - } - } - CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline( - m_pProfile->m_pTransform, m_pCache, temp_src, nMaxColors); - FX_Free(temp_src); - } - for (int i = 0; i < pixels; i++) { - int index = 0; - for (int c = 0; c < m_nComponents; c++) { - index = index * 52 + (*pSrcBuf) / 5; - pSrcBuf++; - } - index *= 3; - *pDestBuf++ = m_pCache[index]; - *pDestBuf++ = m_pCache[index + 1]; - *pDestBuf++ = m_pCache[index + 2]; - } - } - } else if (m_pAlterCS) { - m_pAlterCS->TranslateImageLine(pDestBuf, pSrcBuf, pixels, image_width, - image_height); - } -} -class CPDF_IndexedCS : public CPDF_ColorSpace { - public: - explicit CPDF_IndexedCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_INDEXED, 1), - m_pBaseCS(nullptr), - m_pCountedBaseCS(nullptr), - m_pCompMinMax(nullptr) {} - ~CPDF_IndexedCS() override; - - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - CPDF_ColorSpace* GetBaseCS() const override; - void EnableStdConversion(FX_BOOL bEnabled) override; - - CPDF_ColorSpace* m_pBaseCS; - CPDF_CountedColorSpace* m_pCountedBaseCS; - int m_nBaseComponents; - int m_MaxIndex; - CFX_ByteString m_Table; - FX_FLOAT* m_pCompMinMax; -}; -CPDF_IndexedCS::~CPDF_IndexedCS() { - FX_Free(m_pCompMinMax); - CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL; - if (pCS && m_pDocument) { - m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); - } -} -FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - if (pArray->GetCount() < 4) { - return FALSE; - } - CPDF_Object* pBaseObj = pArray->GetElementValue(1); - if (pBaseObj == m_pArray) { - return FALSE; - } - CPDF_DocPageData* pDocPageData = pDoc->GetPageData(); - m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL); - if (!m_pBaseCS) { - return FALSE; - } - m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray()); - m_nBaseComponents = m_pBaseCS->CountComponents(); - m_pCompMinMax = FX_Alloc2D(FX_FLOAT, m_nBaseComponents, 2); - FX_FLOAT defvalue; - for (int i = 0; i < m_nBaseComponents; i++) { - m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2], - m_pCompMinMax[i * 2 + 1]); - m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2]; - } - m_MaxIndex = pArray->GetIntegerAt(2); - - CPDF_Object* pTableObj = pArray->GetElementValue(3); - if (!pTableObj) - return FALSE; - - if (CPDF_String* pString = pTableObj->AsString()) { - m_Table = pString->GetString(); - } else if (CPDF_Stream* pStream = pTableObj->AsStream()) { - CPDF_StreamAcc acc; - acc.LoadAllData(pStream, FALSE); - m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize()); - } - return TRUE; -} - -FX_BOOL CPDF_IndexedCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - int index = (int32_t)(*pBuf); - if (index < 0 || index > m_MaxIndex) { - return FALSE; - } - if (m_nBaseComponents) { - if (index == INT_MAX || (index + 1) > INT_MAX / m_nBaseComponents || - (index + 1) * m_nBaseComponents > (int)m_Table.GetLength()) { - R = G = B = 0; - return FALSE; - } - } - CFX_FixedBufGrow<FX_FLOAT, 16> Comps(m_nBaseComponents); - FX_FLOAT* comps = Comps; - const uint8_t* pTable = m_Table; - for (int i = 0; i < m_nBaseComponents; i++) { - comps[i] = - m_pCompMinMax[i * 2] + - m_pCompMinMax[i * 2 + 1] * pTable[index * m_nBaseComponents + i] / 255; - } - return m_pBaseCS->GetRGB(comps, R, G, B); -} -CPDF_ColorSpace* CPDF_IndexedCS::GetBaseCS() const { - return m_pBaseCS; -} -void CPDF_IndexedCS::EnableStdConversion(FX_BOOL bEnabled) { - CPDF_ColorSpace::EnableStdConversion(bEnabled); - if (m_pBaseCS) { - m_pBaseCS->EnableStdConversion(bEnabled); - } -} - -#define MAX_PATTERN_COLORCOMPS 16 -struct PatternValue { - CPDF_Pattern* m_pPattern; - CPDF_CountedPattern* m_pCountedPattern; - int m_nComps; - FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS]; -}; -CPDF_PatternCS::~CPDF_PatternCS() { - CPDF_ColorSpace* pCS = m_pCountedBaseCS ? m_pCountedBaseCS->get() : NULL; - if (pCS && m_pDocument) { - m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); - } -} -FX_BOOL CPDF_PatternCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CPDF_Object* pBaseCS = pArray->GetElementValue(1); - if (pBaseCS == m_pArray) { - return FALSE; - } - CPDF_DocPageData* pDocPageData = pDoc->GetPageData(); - m_pBaseCS = pDocPageData->GetColorSpace(pBaseCS, NULL); - if (m_pBaseCS) { - if (m_pBaseCS->GetFamily() == PDFCS_PATTERN) { - return FALSE; - } - m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray()); - m_nComponents = m_pBaseCS->CountComponents() + 1; - if (m_pBaseCS->CountComponents() > MAX_PATTERN_COLORCOMPS) { - return FALSE; - } - } else { - m_nComponents = 1; - } - return TRUE; -} -FX_BOOL CPDF_PatternCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - if (m_pBaseCS) { - ASSERT(m_pBaseCS->GetFamily() != PDFCS_PATTERN); - PatternValue* pvalue = (PatternValue*)pBuf; - if (m_pBaseCS->GetRGB(pvalue->m_Comps, R, G, B)) { - return TRUE; - } - } - R = G = B = 0.75f; - return FALSE; -} -CPDF_ColorSpace* CPDF_PatternCS::GetBaseCS() const { - return m_pBaseCS; -} -class CPDF_SeparationCS : public CPDF_ColorSpace { - public: - explicit CPDF_SeparationCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_SEPARATION, 1), - m_pAltCS(nullptr), - m_pFunc(nullptr) {} - ~CPDF_SeparationCS() override; - - // CPDF_ColorSpace: - void GetDefaultValue(int iComponent, - FX_FLOAT& value, - FX_FLOAT& min, - FX_FLOAT& max) const override; - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - void EnableStdConversion(FX_BOOL bEnabled) override; - - CPDF_ColorSpace* m_pAltCS; - CPDF_Function* m_pFunc; - enum { None, All, Colorant } m_Type; -}; -CPDF_SeparationCS::~CPDF_SeparationCS() { - if (m_pAltCS) { - m_pAltCS->ReleaseCS(); - } - delete m_pFunc; -} -void CPDF_SeparationCS::GetDefaultValue(int iComponent, - FX_FLOAT& value, - FX_FLOAT& min, - FX_FLOAT& max) const { - value = 1.0f; - min = 0; - max = 1.0f; -} -FX_BOOL CPDF_SeparationCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CFX_ByteString name = pArray->GetStringAt(1); - if (name == "None") { - m_Type = None; - } else { - m_Type = Colorant; - CPDF_Object* pAltCS = pArray->GetElementValue(2); - if (pAltCS == m_pArray) { - return FALSE; - } - m_pAltCS = Load(pDoc, pAltCS); - if (!m_pAltCS) { - return FALSE; - } - CPDF_Object* pFuncObj = pArray->GetElementValue(3); - if (pFuncObj && !pFuncObj->IsName()) - m_pFunc = CPDF_Function::Load(pFuncObj); - - if (m_pFunc && m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) { - delete m_pFunc; - m_pFunc = NULL; - } - } - return TRUE; -} -FX_BOOL CPDF_SeparationCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - if (m_Type == None) { - return FALSE; - } - if (!m_pFunc) { - if (!m_pAltCS) { - return FALSE; - } - int nComps = m_pAltCS->CountComponents(); - CFX_FixedBufGrow<FX_FLOAT, 16> results(nComps); - for (int i = 0; i < nComps; i++) { - results[i] = *pBuf; - } - return m_pAltCS->GetRGB(results, R, G, B); - } - CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs()); - int nresults = 0; - m_pFunc->Call(pBuf, 1, results, nresults); - if (nresults == 0) { - return FALSE; - } - if (m_pAltCS) { - return m_pAltCS->GetRGB(results, R, G, B); - } - R = G = B = 0; - return FALSE; -} -void CPDF_SeparationCS::EnableStdConversion(FX_BOOL bEnabled) { - CPDF_ColorSpace::EnableStdConversion(bEnabled); - if (m_pAltCS) { - m_pAltCS->EnableStdConversion(bEnabled); - } -} -class CPDF_DeviceNCS : public CPDF_ColorSpace { - public: - explicit CPDF_DeviceNCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_DEVICEN, 0), - m_pAltCS(nullptr), - m_pFunc(nullptr) {} - ~CPDF_DeviceNCS() override; - - // CPDF_ColorSpace: - void GetDefaultValue(int iComponent, - FX_FLOAT& value, - FX_FLOAT& min, - FX_FLOAT& max) const override; - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - void EnableStdConversion(FX_BOOL bEnabled) override; - - CPDF_ColorSpace* m_pAltCS; - CPDF_Function* m_pFunc; -}; -CPDF_DeviceNCS::~CPDF_DeviceNCS() { - delete m_pFunc; - if (m_pAltCS) { - m_pAltCS->ReleaseCS(); - } -} -void CPDF_DeviceNCS::GetDefaultValue(int iComponent, - FX_FLOAT& value, - FX_FLOAT& min, - FX_FLOAT& max) const { - value = 1.0f; - min = 0; - max = 1.0f; -} -FX_BOOL CPDF_DeviceNCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { - CPDF_Array* pObj = ToArray(pArray->GetElementValue(1)); - if (!pObj) - return FALSE; - - m_nComponents = pObj->GetCount(); - CPDF_Object* pAltCS = pArray->GetElementValue(2); - if (!pAltCS || pAltCS == m_pArray) { - return FALSE; - } - m_pAltCS = Load(pDoc, pAltCS); - m_pFunc = CPDF_Function::Load(pArray->GetElementValue(3)); - if (!m_pAltCS || !m_pFunc) { - return FALSE; - } - if (m_pFunc->CountOutputs() < m_pAltCS->CountComponents()) { - return FALSE; - } - return TRUE; -} -FX_BOOL CPDF_DeviceNCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - if (!m_pFunc) { - return FALSE; - } - CFX_FixedBufGrow<FX_FLOAT, 16> results(m_pFunc->CountOutputs()); - int nresults = 0; - m_pFunc->Call(pBuf, m_nComponents, results, nresults); - if (nresults == 0) { - return FALSE; - } - return m_pAltCS->GetRGB(results, R, G, B); -} -void CPDF_DeviceNCS::EnableStdConversion(FX_BOOL bEnabled) { - CPDF_ColorSpace::EnableStdConversion(bEnabled); - if (m_pAltCS) { - m_pAltCS->EnableStdConversion(bEnabled); - } -} - -CPDF_ColorSpace* CPDF_ColorSpace::GetStockCS(int family) { - return CPDF_ModuleMgr::Get()->GetPageModule()->GetStockCS(family); -} - -CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name) { - if (name == "DeviceRGB" || name == "RGB") { - return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB); - } - if (name == "DeviceGray" || name == "G") { - return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY); - } - if (name == "DeviceCMYK" || name == "CMYK") { - return CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK); - } - if (name == "Pattern") { - return CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN); - } - return NULL; -} -CPDF_ColorSpace* CPDF_ColorSpace::Load(CPDF_Document* pDoc, CPDF_Object* pObj) { - if (!pObj) - return nullptr; - if (pObj->IsName()) - return _CSFromName(pObj->GetString()); - - if (CPDF_Stream* pStream = pObj->AsStream()) { - CPDF_Dictionary* pDict = pStream->GetDict(); - if (!pDict) - return nullptr; - - for (const auto& it : *pDict) { - CPDF_ColorSpace* pRet = nullptr; - CPDF_Object* pValue = it.second; - if (ToName(pValue)) - pRet = _CSFromName(pValue->GetString()); - if (pRet) - return pRet; - } - return nullptr; - } - - CPDF_Array* pArray = pObj->AsArray(); - if (!pArray || pArray->GetCount() == 0) - return nullptr; - - CPDF_Object* pFamilyObj = pArray->GetElementValue(0); - if (!pFamilyObj) - return nullptr; - - CFX_ByteString familyname = pFamilyObj->GetString(); - if (pArray->GetCount() == 1) - return _CSFromName(familyname); - - CPDF_ColorSpace* pCS = NULL; - FX_DWORD id = familyname.GetID(); - if (id == FXBSTR_ID('C', 'a', 'l', 'G')) { - pCS = new CPDF_CalGray(pDoc); - } else if (id == FXBSTR_ID('C', 'a', 'l', 'R')) { - pCS = new CPDF_CalRGB(pDoc); - } else if (id == FXBSTR_ID('L', 'a', 'b', 0)) { - pCS = new CPDF_LabCS(pDoc); - } else if (id == FXBSTR_ID('I', 'C', 'C', 'B')) { - pCS = new CPDF_ICCBasedCS(pDoc); - } else if (id == FXBSTR_ID('I', 'n', 'd', 'e') || - id == FXBSTR_ID('I', 0, 0, 0)) { - pCS = new CPDF_IndexedCS(pDoc); - } else if (id == FXBSTR_ID('S', 'e', 'p', 'a')) { - pCS = new CPDF_SeparationCS(pDoc); - } else if (id == FXBSTR_ID('D', 'e', 'v', 'i')) { - pCS = new CPDF_DeviceNCS(pDoc); - } else if (id == FXBSTR_ID('P', 'a', 't', 't')) { - pCS = new CPDF_PatternCS(pDoc); - } else { - return NULL; - } - pCS->m_pArray = pArray; - if (!pCS->v_Load(pDoc, pArray)) { - pCS->ReleaseCS(); - return NULL; - } - return pCS; -} -void CPDF_ColorSpace::ReleaseCS() { - if (this == GetStockCS(PDFCS_DEVICERGB)) { - return; - } - if (this == GetStockCS(PDFCS_DEVICEGRAY)) { - return; - } - if (this == GetStockCS(PDFCS_DEVICECMYK)) { - return; - } - if (this == GetStockCS(PDFCS_PATTERN)) { - return; - } - delete this; -} -int CPDF_ColorSpace::GetBufSize() const { - if (m_Family == PDFCS_PATTERN) { - return sizeof(PatternValue); - } - return m_nComponents * sizeof(FX_FLOAT); -} -FX_FLOAT* CPDF_ColorSpace::CreateBuf() { - int size = GetBufSize(); - uint8_t* pBuf = FX_Alloc(uint8_t, size); - return (FX_FLOAT*)pBuf; -} -FX_BOOL CPDF_ColorSpace::sRGB() const { - if (m_Family == PDFCS_DEVICERGB) { - return TRUE; - } - if (m_Family != PDFCS_ICCBASED) { - return FALSE; - } - CPDF_ICCBasedCS* pCS = (CPDF_ICCBasedCS*)this; - return pCS->m_pProfile->m_bsRGB; -} -FX_BOOL CPDF_ColorSpace::GetCMYK(FX_FLOAT* pBuf, - FX_FLOAT& c, - FX_FLOAT& m, - FX_FLOAT& y, - FX_FLOAT& k) const { - if (v_GetCMYK(pBuf, c, m, y, k)) { - return TRUE; - } - FX_FLOAT R, G, B; - if (!GetRGB(pBuf, R, G, B)) { - return FALSE; - } - sRGB_to_AdobeCMYK(R, G, B, c, m, y, k); - return TRUE; -} -FX_BOOL CPDF_ColorSpace::SetCMYK(FX_FLOAT* pBuf, - FX_FLOAT c, - FX_FLOAT m, - FX_FLOAT y, - FX_FLOAT k) const { - if (v_SetCMYK(pBuf, c, m, y, k)) { - return TRUE; - } - FX_FLOAT R, G, B; - AdobeCMYK_to_sRGB(c, m, y, k, R, G, B); - return SetRGB(pBuf, R, G, B); -} -void CPDF_ColorSpace::GetDefaultColor(FX_FLOAT* buf) const { - if (!buf || m_Family == PDFCS_PATTERN) { - return; - } - FX_FLOAT min, max; - for (int i = 0; i < m_nComponents; i++) { - GetDefaultValue(i, buf[i], min, max); - } -} -int CPDF_ColorSpace::GetMaxIndex() const { - if (m_Family != PDFCS_INDEXED) { - return 0; - } - CPDF_IndexedCS* pCS = (CPDF_IndexedCS*)this; - return pCS->m_MaxIndex; -} -void CPDF_ColorSpace::TranslateImageLine(uint8_t* dest_buf, - const uint8_t* src_buf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask) const { - CFX_FixedBufGrow<FX_FLOAT, 16> srcbuf(m_nComponents); - FX_FLOAT* src = srcbuf; - FX_FLOAT R, G, B; - for (int i = 0; i < pixels; i++) { - for (int j = 0; j < m_nComponents; j++) - if (m_Family == PDFCS_INDEXED) { - src[j] = (FX_FLOAT)(*src_buf++); - } else { - src[j] = (FX_FLOAT)(*src_buf++) / 255; - } - GetRGB(src, R, G, B); - *dest_buf++ = (int32_t)(B * 255); - *dest_buf++ = (int32_t)(G * 255); - *dest_buf++ = (int32_t)(R * 255); - } -} -void CPDF_ColorSpace::EnableStdConversion(FX_BOOL bEnabled) { - if (bEnabled) { - m_dwStdConversion++; - } else if (m_dwStdConversion) { - m_dwStdConversion--; - } -} -CPDF_Color::CPDF_Color(int family) { - m_pCS = CPDF_ColorSpace::GetStockCS(family); - int nComps = 3; - if (family == PDFCS_DEVICEGRAY) { - nComps = 1; - } else if (family == PDFCS_DEVICECMYK) { - nComps = 4; - } - m_pBuffer = FX_Alloc(FX_FLOAT, nComps); - for (int i = 0; i < nComps; i++) { - m_pBuffer[i] = 0; - } -} -CPDF_Color::~CPDF_Color() { - ReleaseBuffer(); - ReleaseColorSpace(); -} -void CPDF_Color::ReleaseBuffer() { - if (!m_pBuffer) { - return; - } - if (m_pCS->GetFamily() == PDFCS_PATTERN) { - PatternValue* pvalue = (PatternValue*)m_pBuffer; - CPDF_Pattern* pPattern = - pvalue->m_pCountedPattern ? pvalue->m_pCountedPattern->get() : NULL; - if (pPattern && pPattern->m_pDocument) { - CPDF_DocPageData* pPageData = pPattern->m_pDocument->GetPageData(); - if (pPageData) { - pPageData->ReleasePattern(pPattern->m_pPatternObj); - } - } - } - FX_Free(m_pBuffer); - m_pBuffer = NULL; -} -void CPDF_Color::ReleaseColorSpace() { - if (m_pCS && m_pCS->m_pDocument && m_pCS->GetArray()) { - m_pCS->m_pDocument->GetPageData()->ReleaseColorSpace(m_pCS->GetArray()); - m_pCS = NULL; - } -} -void CPDF_Color::SetColorSpace(CPDF_ColorSpace* pCS) { - if (m_pCS == pCS) { - if (!m_pBuffer) { - m_pBuffer = pCS->CreateBuf(); - } - ReleaseColorSpace(); - m_pCS = pCS; - return; - } - ReleaseBuffer(); - ReleaseColorSpace(); - m_pCS = pCS; - if (m_pCS) { - m_pBuffer = pCS->CreateBuf(); - pCS->GetDefaultColor(m_pBuffer); - } -} -void CPDF_Color::SetValue(FX_FLOAT* comps) { - if (!m_pBuffer) { - return; - } - if (m_pCS->GetFamily() != PDFCS_PATTERN) { - FXSYS_memcpy(m_pBuffer, comps, m_pCS->CountComponents() * sizeof(FX_FLOAT)); - } -} -void CPDF_Color::SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comps, int ncomps) { - if (ncomps > MAX_PATTERN_COLORCOMPS) { - return; - } - if (!m_pCS || m_pCS->GetFamily() != PDFCS_PATTERN) { - FX_Free(m_pBuffer); - m_pCS = CPDF_ColorSpace::GetStockCS(PDFCS_PATTERN); - m_pBuffer = m_pCS->CreateBuf(); - } - CPDF_DocPageData* pDocPageData = NULL; - PatternValue* pvalue = (PatternValue*)m_pBuffer; - if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) { - pDocPageData = pvalue->m_pPattern->m_pDocument->GetPageData(); - if (pDocPageData) { - pDocPageData->ReleasePattern(pvalue->m_pPattern->m_pPatternObj); - } - } - pvalue->m_nComps = ncomps; - pvalue->m_pPattern = pPattern; - if (ncomps) { - FXSYS_memcpy(pvalue->m_Comps, comps, ncomps * sizeof(FX_FLOAT)); - } - pvalue->m_pCountedPattern = NULL; - if (pPattern && pPattern->m_pDocument) { - if (!pDocPageData) { - pDocPageData = pPattern->m_pDocument->GetPageData(); - } - pvalue->m_pCountedPattern = - pDocPageData->FindPatternPtr(pPattern->m_pPatternObj); - } -} -void CPDF_Color::Copy(const CPDF_Color* pSrc) { - ReleaseBuffer(); - ReleaseColorSpace(); - m_pCS = pSrc->m_pCS; - if (m_pCS && m_pCS->m_pDocument) { - CPDF_Array* pArray = m_pCS->GetArray(); - if (pArray) { - m_pCS = m_pCS->m_pDocument->GetPageData()->GetCopiedColorSpace(pArray); - } - } - if (!m_pCS) { - return; - } - m_pBuffer = m_pCS->CreateBuf(); - FXSYS_memcpy(m_pBuffer, pSrc->m_pBuffer, m_pCS->GetBufSize()); - if (m_pCS->GetFamily() == PDFCS_PATTERN) { - PatternValue* pvalue = (PatternValue*)m_pBuffer; - if (pvalue->m_pPattern && pvalue->m_pPattern->m_pDocument) { - pvalue->m_pPattern = - pvalue->m_pPattern->m_pDocument->GetPageData()->GetPattern( - pvalue->m_pPattern->m_pPatternObj, FALSE, - &pvalue->m_pPattern->m_ParentMatrix); - } - } -} -FX_BOOL CPDF_Color::GetRGB(int& R, int& G, int& B) const { - if (!m_pCS || !m_pBuffer) { - return FALSE; - } - FX_FLOAT r = 0.0f, g = 0.0f, b = 0.0f; - if (!m_pCS->GetRGB(m_pBuffer, r, g, b)) { - return FALSE; - } - R = (int32_t)(r * 255 + 0.5f); - G = (int32_t)(g * 255 + 0.5f); - B = (int32_t)(b * 255 + 0.5f); - return TRUE; -} -CPDF_Pattern* CPDF_Color::GetPattern() const { - if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) { - return NULL; - } - PatternValue* pvalue = (PatternValue*)m_pBuffer; - return pvalue->m_pPattern; -} -CPDF_ColorSpace* CPDF_Color::GetPatternCS() const { - if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) { - return NULL; - } - return m_pCS->GetBaseCS(); -} -FX_FLOAT* CPDF_Color::GetPatternColor() const { - if (!m_pBuffer || m_pCS->GetFamily() != PDFCS_PATTERN) { - return NULL; - } - PatternValue* pvalue = (PatternValue*)m_pBuffer; - return pvalue->m_nComps ? pvalue->m_Comps : NULL; -} -FX_BOOL CPDF_Color::IsEqual(const CPDF_Color& other) const { - return m_pCS && m_pCS == other.m_pCS && - FXSYS_memcmp(m_pBuffer, other.m_pBuffer, m_pCS->GetBufSize()) == 0; -} diff --git a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp index 0d0c373c56..2e68702127 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_doc.cpp @@ -7,10 +7,16 @@ #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fdrm/crypto/include/fx_crypt.h" +#include "core/fpdfapi/fpdf_font/cpdf_type1font.h" #include "core/fpdfapi/fpdf_font/font_int.h" +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" +#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fpdfapi/ipdf_pagemodule.h" @@ -91,7 +97,6 @@ CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream) { return GetValidatePageData()->GetFontFileStreamAcc(pStream); } -CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name); CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources) { return GetValidatePageData()->GetColorSpace(pCSObj, pResources); @@ -322,7 +327,7 @@ CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace( if (pCSObj->IsName()) { CFX_ByteString name = pCSObj->GetConstString(); - CPDF_ColorSpace* pCS = _CSFromName(name); + CPDF_ColorSpace* pCS = CPDF_ColorSpace::ColorspaceFromName(name); if (!pCS && pResources) { CPDF_Dictionary* pList = pResources->GetDictBy("ColorSpace"); if (pList) { diff --git a/core/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/fpdfapi/fpdf_page/fpdf_page_func.cpp index cea7d6b8e7..96aad6d87f 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_func.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_func.cpp @@ -15,6 +15,8 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fxcrt/include/fx_safe_types.h" #include "third_party/base/numerics/safe_conversions_impl.h" diff --git a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/fpdfapi/fpdf_page/fpdf_page_image.cpp deleted file mode 100644 index f66823657f..0000000000 --- a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp +++ /dev/null @@ -1,66 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "core/fpdfapi/fpdf_page/pageint.h" - -#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" - -void CPDF_Image::Release() { - if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) { - delete this; - } -} -CPDF_Image* CPDF_Image::Clone() { - if (m_pStream->GetObjNum()) - return m_pDocument->GetPageData()->GetImage(m_pStream); - - CPDF_Image* pImage = new CPDF_Image(m_pDocument); - pImage->LoadImageF(ToStream(m_pStream->Clone()), m_bInline); - if (m_bInline) - pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE))); - - return pImage; -} -CPDF_Image::CPDF_Image(CPDF_Document* pDoc) { - m_pDocument = pDoc; - m_pStream = NULL; - m_pOC = NULL; - m_bInline = FALSE; - m_pInlineDict = NULL; - m_pDIBSource = NULL; - m_pMask = NULL; - m_MatteColor = 0; -} -CPDF_Image::~CPDF_Image() { - if (m_bInline) { - if (m_pStream) { - m_pStream->Release(); - } - if (m_pInlineDict) { - m_pInlineDict->Release(); - } - } -} -FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) { - m_pStream = pStream; - if (m_bInline && m_pInlineDict) { - m_pInlineDict->Release(); - m_pInlineDict = NULL; - } - m_bInline = bInline; - CPDF_Dictionary* pDict = pStream->GetDict(); - if (m_bInline) { - m_pInlineDict = ToDictionary(pDict->Clone()); - } - m_pOC = pDict->GetDictBy("OC"); - m_bIsMask = - !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask"); - m_bInterpolate = pDict->GetIntegerBy("Interpolate"); - m_Height = pDict->GetIntegerBy("Height"); - m_Width = pDict->GetIntegerBy("Width"); - return TRUE; -} diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp index 700103ed41..63c84bbd22 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp @@ -9,9 +9,13 @@ #include <vector> #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h" +#include "core/fpdfapi/fpdf_font/cpdf_type3font.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" #include "core/fpdfapi/fpdf_page/cpdf_allstates.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h" @@ -23,6 +27,8 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_name.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_number.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" namespace { diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp index c0d7c08ee1..04211041fe 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp @@ -8,6 +8,7 @@ #include <limits.h> +#include "core/fpdfapi/fpdf_font/cpdf_type3char.h" #include "core/fpdfapi/fpdf_page/cpdf_allstates.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" @@ -21,6 +22,8 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_name.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_number.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" diff --git a/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp b/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp index fbb2c28373..822d06d84c 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp @@ -8,10 +8,13 @@ #include <algorithm> +#include "core/fpdfapi/fpdf_page/cpdf_meshstream.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" namespace { @@ -22,245 +25,9 @@ const int kCoonsCoordinatePairs = 12; const int kSingleColorPerPatch = 1; const int kQuadColorsPerPatch = 4; -ShadingType ToShadingType(int type) { - return (type > static_cast<int>(kInvalidShading) && - type < static_cast<int>(kMaxShading)) - ? static_cast<ShadingType>(type) - : kInvalidShading; -} - } // namespace -CPDF_Pattern::CPDF_Pattern(PatternType type, - CPDF_Document* pDoc, - CPDF_Object* pObj, - const CFX_Matrix* pParentMatrix) - : m_PatternType(type), - m_pDocument(pDoc), - m_pPatternObj(pObj), - m_bForceClear(FALSE) { - if (pParentMatrix) - m_ParentMatrix = *pParentMatrix; -} -CPDF_Pattern::~CPDF_Pattern() {} -CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, - CPDF_Object* pPatternObj, - const CFX_Matrix* parentMatrix) - : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) { - CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); - m_Pattern2Form = pDict->GetMatrixBy("Matrix"); - m_bColored = pDict->GetIntegerBy("PaintType") == 1; - if (parentMatrix) { - m_Pattern2Form.Concat(*parentMatrix); - } - m_pForm = NULL; -} -CPDF_TilingPattern::~CPDF_TilingPattern() { - delete m_pForm; - m_pForm = NULL; -} -FX_BOOL CPDF_TilingPattern::Load() { - if (m_pForm) - return TRUE; - - CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); - if (!pDict) - return FALSE; - - m_bColored = pDict->GetIntegerBy("PaintType") == 1; - m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep")); - m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep")); - - CPDF_Stream* pStream = m_pPatternObj->AsStream(); - if (!pStream) - return FALSE; - - m_pForm = new CPDF_Form(m_pDocument, NULL, pStream); - m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL); - m_BBox = pDict->GetRectBy("BBox"); - return TRUE; -} -CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc, - CPDF_Object* pPatternObj, - FX_BOOL bShading, - const CFX_Matrix* parentMatrix) - : CPDF_Pattern(SHADING, - pDoc, - bShading ? nullptr : pPatternObj, - parentMatrix), - m_ShadingType(kInvalidShading), - m_bShadingObj(bShading), - m_pShadingObj(pPatternObj), - m_pCS(nullptr), - m_pCountedCS(nullptr), - m_nFuncs(0) { - if (!bShading) { - CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); - m_Pattern2Form = pDict->GetMatrixBy("Matrix"); - m_pShadingObj = pDict->GetElementValue("Shading"); - if (parentMatrix) - m_Pattern2Form.Concat(*parentMatrix); - } - for (int i = 0; i < FX_ArraySize(m_pFunctions); ++i) - m_pFunctions[i] = nullptr; -} - -CPDF_ShadingPattern::~CPDF_ShadingPattern() { - for (int i = 0; i < m_nFuncs; ++i) - delete m_pFunctions[i]; - - CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : NULL; - if (pCS && m_pDocument) - m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); -} - -FX_BOOL CPDF_ShadingPattern::Load() { - if (m_ShadingType != kInvalidShading) - return TRUE; - - CPDF_Dictionary* pShadingDict = - m_pShadingObj ? m_pShadingObj->GetDict() : NULL; - if (!pShadingDict) { - return FALSE; - } - if (m_nFuncs) { - for (int i = 0; i < m_nFuncs; i++) - delete m_pFunctions[i]; - m_nFuncs = 0; - } - CPDF_Object* pFunc = pShadingDict->GetElementValue("Function"); - if (pFunc) { - if (CPDF_Array* pArray = pFunc->AsArray()) { - m_nFuncs = std::min<int>(pArray->GetCount(), 4); - for (int i = 0; i < m_nFuncs; i++) { - m_pFunctions[i] = CPDF_Function::Load(pArray->GetElementValue(i)); - } - } else { - m_pFunctions[0] = CPDF_Function::Load(pFunc); - m_nFuncs = 1; - } - } - CPDF_Object* pCSObj = pShadingDict->GetElementValue("ColorSpace"); - if (!pCSObj) { - return FALSE; - } - CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData(); - m_pCS = pDocPageData->GetColorSpace(pCSObj, NULL); - if (m_pCS) { - m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray()); - } - - m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType")); - - // We expect to have a stream if our shading type is a mesh. - if (IsMeshShading() && !ToStream(m_pShadingObj)) - return FALSE; - - return TRUE; -} -FX_BOOL CPDF_MeshStream::Load(CPDF_Stream* pShadingStream, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS) { - m_Stream.LoadAllData(pShadingStream); - m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize()); - m_pFuncs = pFuncs; - m_nFuncs = nFuncs; - m_pCS = pCS; - CPDF_Dictionary* pDict = pShadingStream->GetDict(); - m_nCoordBits = pDict->GetIntegerBy("BitsPerCoordinate"); - m_nCompBits = pDict->GetIntegerBy("BitsPerComponent"); - m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag"); - if (!m_nCoordBits || !m_nCompBits) { - return FALSE; - } - FX_DWORD nComps = pCS->CountComponents(); - if (nComps > 8) { - return FALSE; - } - m_nComps = nFuncs ? 1 : nComps; - if (((int)m_nComps < 0) || m_nComps > 8) { - return FALSE; - } - m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1; - m_CompMax = (1 << m_nCompBits) - 1; - CPDF_Array* pDecode = pDict->GetArrayBy("Decode"); - if (!pDecode || pDecode->GetCount() != 4 + m_nComps * 2) { - return FALSE; - } - m_xmin = pDecode->GetNumberAt(0); - m_xmax = pDecode->GetNumberAt(1); - m_ymin = pDecode->GetNumberAt(2); - m_ymax = pDecode->GetNumberAt(3); - for (FX_DWORD i = 0; i < m_nComps; i++) { - m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4); - m_ColorMax[i] = pDecode->GetNumberAt(i * 2 + 5); - } - return TRUE; -} -FX_DWORD CPDF_MeshStream::GetFlag() { - return m_BitStream.GetBits(m_nFlagBits) & 0x03; -} -void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y) { - if (m_nCoordBits == 32) { - x = m_xmin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * - (m_xmax - m_xmin) / (double)m_CoordMax); - y = m_ymin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * - (m_ymax - m_ymin) / (double)m_CoordMax); - } else { - x = m_xmin + - m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / m_CoordMax; - y = m_ymin + - m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / m_CoordMax; - } -} -void CPDF_MeshStream::GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b) { - FX_DWORD i; - FX_FLOAT color_value[8]; - for (i = 0; i < m_nComps; i++) { - color_value[i] = m_ColorMin[i] + - m_BitStream.GetBits(m_nCompBits) * - (m_ColorMax[i] - m_ColorMin[i]) / m_CompMax; - } - if (m_nFuncs) { - static const int kMaxResults = 8; - FX_FLOAT result[kMaxResults]; - int nResults; - FXSYS_memset(result, 0, sizeof(result)); - for (FX_DWORD i = 0; i < m_nFuncs; i++) { - if (m_pFuncs[i] && m_pFuncs[i]->CountOutputs() <= kMaxResults) { - m_pFuncs[i]->Call(color_value, 1, result, nResults); - } - } - m_pCS->GetRGB(result, r, g, b); - } else { - m_pCS->GetRGB(color_value, r, g, b); - } -} -FX_DWORD CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex, - CFX_Matrix* pObject2Bitmap) { - FX_DWORD flag = GetFlag(); - GetCoords(vertex.x, vertex.y); - pObject2Bitmap->Transform(vertex.x, vertex.y); - GetColor(vertex.r, vertex.g, vertex.b); - m_BitStream.ByteAlign(); - return flag; -} -FX_BOOL CPDF_MeshStream::GetVertexRow(CPDF_MeshVertex* vertex, - int count, - CFX_Matrix* pObject2Bitmap) { - for (int i = 0; i < count; i++) { - if (m_BitStream.IsEOF()) { - return FALSE; - } - GetCoords(vertex[i].x, vertex[i].y); - pObject2Bitmap->Transform(vertex[i].x, vertex[i].y); - GetColor(vertex[i].r, vertex[i].g, vertex[i].b); - m_BitStream.ByteAlign(); - } - return TRUE; -} CFX_FloatRect GetShadingBBox(CPDF_Stream* pStream, ShadingType type, diff --git a/core/fpdfapi/fpdf_page/include/cpdf_color.h b/core/fpdfapi/fpdf_page/include/cpdf_color.h new file mode 100644 index 0000000000..9e20684d83 --- /dev/null +++ b/core/fpdfapi/fpdf_page/include/cpdf_color.h @@ -0,0 +1,47 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLOR_H_ +#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLOR_H_ + +#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Pattern; + +class CPDF_Color { + public: + CPDF_Color() : m_pCS(nullptr), m_pBuffer(nullptr) {} + explicit CPDF_Color(int family); + ~CPDF_Color(); + + FX_BOOL IsNull() const { return !m_pBuffer; } + FX_BOOL IsEqual(const CPDF_Color& other) const; + FX_BOOL IsPattern() const { + return m_pCS && m_pCS->GetFamily() == PDFCS_PATTERN; + } + + void Copy(const CPDF_Color* pSrc); + + void SetColorSpace(CPDF_ColorSpace* pCS); + void SetValue(FX_FLOAT* comp); + void SetValue(CPDF_Pattern* pPattern, FX_FLOAT* comp, int ncomps); + + FX_BOOL GetRGB(int& R, int& G, int& B) const; + CPDF_Pattern* GetPattern() const; + CPDF_ColorSpace* GetPatternCS() const; + FX_FLOAT* GetPatternColor() const; + + CPDF_ColorSpace* m_pCS; + + protected: + void ReleaseBuffer(); + void ReleaseColorSpace(); + + FX_FLOAT* m_pBuffer; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLOR_H_ diff --git a/core/fpdfapi/fpdf_page/include/cpdf_colorspace.h b/core/fpdfapi/fpdf_page/include/cpdf_colorspace.h new file mode 100644 index 0000000000..afdd71dc4d --- /dev/null +++ b/core/fpdfapi/fpdf_page/include/cpdf_colorspace.h @@ -0,0 +1,122 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_ +#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_ + +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/fx_system.h" + +#define PDFCS_DEVICEGRAY 1 +#define PDFCS_DEVICERGB 2 +#define PDFCS_DEVICECMYK 3 +#define PDFCS_CALGRAY 4 +#define PDFCS_CALRGB 5 +#define PDFCS_LAB 6 +#define PDFCS_ICCBASED 7 +#define PDFCS_SEPARATION 8 +#define PDFCS_DEVICEN 9 +#define PDFCS_INDEXED 10 +#define PDFCS_PATTERN 11 + +class CPDF_Array; +class CPDF_Document; +class CPDF_Object; + +class CPDF_ColorSpace { + public: + static CPDF_ColorSpace* GetStockCS(int Family); + static CPDF_ColorSpace* Load(CPDF_Document* pDoc, CPDF_Object* pCSObj); + static CPDF_ColorSpace* ColorspaceFromName(const CFX_ByteString& name); + + void ReleaseCS(); + + int GetBufSize() const; + FX_FLOAT* CreateBuf(); + void GetDefaultColor(FX_FLOAT* buf) const; + FX_DWORD CountComponents() const { return m_nComponents; } + int GetFamily() const { return m_Family; } + virtual void GetDefaultValue(int iComponent, + FX_FLOAT& value, + FX_FLOAT& min, + FX_FLOAT& max) const { + value = 0; + min = 0; + max = 1.0f; + } + + FX_BOOL sRGB() const; + virtual FX_BOOL GetRGB(FX_FLOAT* pBuf, + FX_FLOAT& R, + FX_FLOAT& G, + FX_FLOAT& B) const = 0; + virtual FX_BOOL SetRGB(FX_FLOAT* pBuf, + FX_FLOAT R, + FX_FLOAT G, + FX_FLOAT B) const { + return FALSE; + } + + FX_BOOL GetCMYK(FX_FLOAT* pBuf, + FX_FLOAT& c, + FX_FLOAT& m, + FX_FLOAT& y, + FX_FLOAT& k) const; + FX_BOOL SetCMYK(FX_FLOAT* pBuf, + FX_FLOAT c, + FX_FLOAT m, + FX_FLOAT y, + FX_FLOAT k) const; + + virtual void TranslateImageLine(uint8_t* dest_buf, + const uint8_t* src_buf, + int pixels, + int image_width, + int image_height, + FX_BOOL bTransMask = FALSE) const; + + CPDF_Array*& GetArray() { return m_pArray; } + int GetMaxIndex() const; + virtual CPDF_ColorSpace* GetBaseCS() const { return NULL; } + + virtual void EnableStdConversion(FX_BOOL bEnabled); + + CPDF_Document* const m_pDocument; + + protected: + CPDF_ColorSpace(CPDF_Document* pDoc, int family, FX_DWORD nComponents) + : m_pDocument(pDoc), + m_Family(family), + m_nComponents(nComponents), + m_pArray(nullptr), + m_dwStdConversion(0) {} + virtual ~CPDF_ColorSpace() {} + + virtual FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) { + return TRUE; + } + virtual FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, + FX_FLOAT& c, + FX_FLOAT& m, + FX_FLOAT& y, + FX_FLOAT& k) const { + return FALSE; + } + virtual FX_BOOL v_SetCMYK(FX_FLOAT* pBuf, + FX_FLOAT c, + FX_FLOAT m, + FX_FLOAT y, + FX_FLOAT k) const { + return FALSE; + } + + int m_Family; + FX_DWORD m_nComponents; + CPDF_Array* m_pArray; + FX_DWORD m_dwStdConversion; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_COLORSPACE_H_ diff --git a/core/fpdfapi/fpdf_page/include/cpdf_formobject.h b/core/fpdfapi/fpdf_page/include/cpdf_formobject.h index 234cd73328..b12d68c312 100644 --- a/core/fpdfapi/fpdf_page/include/cpdf_formobject.h +++ b/core/fpdfapi/fpdf_page/include/cpdf_formobject.h @@ -10,7 +10,7 @@ #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" #include "core/fxcrt/include/fx_coordinates.h" -class Form; +class CPDF_Form; class CPDF_FormObject : public CPDF_PageObject { public: diff --git a/core/fpdfapi/fpdf_page/include/cpdf_image.h b/core/fpdfapi/fpdf_page/include/cpdf_image.h new file mode 100644 index 0000000000..048b86d171 --- /dev/null +++ b/core/fpdfapi/fpdf_page/include/cpdf_image.h @@ -0,0 +1,98 @@ +// Copyright 2016 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_ +#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_ + +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fxcrt/include/fx_system.h" + +#define PDF_IMAGE_NO_COMPRESS 0x0000 +#define PDF_IMAGE_LOSSY_COMPRESS 0x0001 +#define PDF_IMAGE_LOSSLESS_COMPRESS 0x0002 +#define PDF_IMAGE_MASK_LOSSY_COMPRESS 0x0004 +#define PDF_IMAGE_MASK_LOSSLESS_COMPRESS 0x0008 + +class CFX_DIBitmap; +class CFX_DIBSource; +class CPDF_Dictionay; +class CPDF_Document; +class CPDF_Page; +class IFX_FileRead; +class IFX_FileWrite; +class IFX_Pause; + +class CPDF_Image { + public: + explicit CPDF_Image(CPDF_Document* pDoc); + ~CPDF_Image(); + + FX_BOOL LoadImageF(CPDF_Stream* pImageStream, FX_BOOL bInline); + + void Release(); + + CPDF_Image* Clone(); + + CPDF_Dictionary* GetInlineDict() const { return m_pInlineDict; } + CPDF_Stream* GetStream() const { return m_pStream; } + CPDF_Dictionary* GetDict() const { + return m_pStream ? m_pStream->GetDict() : NULL; + } + CPDF_Dictionary* GetOC() const { return m_pOC; } + CPDF_Document* GetDocument() const { return m_pDocument; } + + int32_t GetPixelHeight() const { return m_Height; } + int32_t GetPixelWidth() const { return m_Width; } + + FX_BOOL IsInline() { return m_bInline; } + FX_BOOL IsMask() const { return m_bIsMask; } + FX_BOOL IsInterpol() const { return m_bInterpolate; } + + CFX_DIBSource* LoadDIBSource(CFX_DIBSource** ppMask = NULL, + FX_DWORD* pMatteColor = NULL, + FX_BOOL bStdCS = FALSE, + FX_DWORD GroupFamily = 0, + FX_BOOL bLoadMask = FALSE) const; + + void SetInlineDict(CPDF_Dictionary* pDict) { m_pInlineDict = pDict; } + void SetImage(const CFX_DIBitmap* pDIBitmap, + int32_t iCompress, + IFX_FileWrite* pFileWrite = NULL, + IFX_FileRead* pFileRead = NULL, + const CFX_DIBitmap* pMask = NULL); + void SetJpegImage(uint8_t* pImageData, FX_DWORD size); + void SetJpegImage(IFX_FileRead* pFile); + + void ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pDIBitmap); + + FX_BOOL StartLoadDIBSource(CPDF_Dictionary* pFormResource, + CPDF_Dictionary* pPageResource, + FX_BOOL bStdCS = FALSE, + FX_DWORD GroupFamily = 0, + FX_BOOL bLoadMask = FALSE); + FX_BOOL Continue(IFX_Pause* pPause); + CFX_DIBSource* DetachBitmap(); + CFX_DIBSource* DetachMask(); + + CFX_DIBSource* m_pDIBSource; + CFX_DIBSource* m_pMask; + FX_DWORD m_MatteColor; + + private: + CPDF_Dictionary* InitJPEG(uint8_t* pData, FX_DWORD size); + + CPDF_Stream* m_pStream; + FX_BOOL m_bInline; + CPDF_Dictionary* m_pInlineDict; + int32_t m_Height; + int32_t m_Width; + FX_BOOL m_bIsMask; + FX_BOOL m_bInterpolate; + CPDF_Document* m_pDocument; + CPDF_Dictionary* m_pOC; +}; + +#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_ diff --git a/core/fpdfapi/fpdf_page/pageint.h b/core/fpdfapi/fpdf_page/pageint.h index e6a150072e..d254477dc3 100644 --- a/core/fpdfapi/fpdf_page/pageint.h +++ b/core/fpdfapi/fpdf_page/pageint.h @@ -13,9 +13,9 @@ #include <vector> #include "core/fpdfapi/fpdf_page/cpdf_contentmark.h" +#include "core/fpdfapi/fpdf_page/cpdf_countedobject.h" #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h" -#include "core/include/fpdfapi/fpdf_resource.h" #include "core/include/fxge/fx_ge.h" class CPDF_AllStates; @@ -26,6 +26,7 @@ class CPDF_Form; class CPDF_IccProfile; class CPDF_Image; class CPDF_ImageObject; +class CPDF_Page; class CPDF_ParseOptions; class CPDF_Pattern; class CPDF_StreamAcc; @@ -438,10 +439,7 @@ class CPDF_DeviceCS : public CPDF_ColorSpace { class CPDF_PatternCS : public CPDF_ColorSpace { public: - explicit CPDF_PatternCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_PATTERN, 1), - m_pBaseCS(nullptr), - m_pCountedBaseCS(nullptr) {} + explicit CPDF_PatternCS(CPDF_Document* pDoc); ~CPDF_PatternCS() override; FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; FX_BOOL GetRGB(FX_FLOAT* pBuf, @@ -455,6 +453,14 @@ class CPDF_PatternCS : public CPDF_ColorSpace { CPDF_CountedColorSpace* m_pCountedBaseCS; }; +#define MAX_PATTERN_COLORCOMPS 16 +struct PatternValue { + CPDF_Pattern* m_pPattern; + CPDF_CountedPattern* m_pCountedPattern; + int m_nComps; + FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS]; +}; + void PDF_ReplaceAbbr(CPDF_Object* pObj); bool IsPathOperator(const uint8_t* buf, size_t len); diff --git a/core/fpdfapi/fpdf_parser/cpdf_document.cpp b/core/fpdfapi/fpdf_parser/cpdf_document.cpp index 6a6e40f1c6..eb9a483e6e 100644 --- a/core/fpdfapi/fpdf_parser/cpdf_document.cpp +++ b/core/fpdfapi/fpdf_parser/cpdf_document.cpp @@ -12,6 +12,7 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" #include "core/fpdfapi/fpdf_render/render_int.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fpdfapi/ipdf_rendermodule.h" diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp index 3f79abe1b8..24ca282322 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render.cpp @@ -6,10 +6,13 @@ #include "core/fpdfapi/fpdf_render/render_int.h" +#include "core/fpdfapi/fpdf_font/cpdf_type3char.h" +#include "core/fpdfapi/fpdf_font/cpdf_type3font.h" #include "core/fpdfapi/fpdf_page/cpdf_colorstatedata.h" #include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" diff --git a/core/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/fpdfapi/fpdf_render/fpdf_render_image.cpp index bda2a4469f..b28aee6980 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_image.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_image.cpp @@ -10,7 +10,10 @@ #include <vector> #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" +#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" #include "core/fpdfapi/fpdf_page/include/cpdf_page.h" #include "core/fpdfapi/fpdf_page/pageint.h" diff --git a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp index 5c4f7f593c..1ad091e7af 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp @@ -11,6 +11,7 @@ #include <vector> #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_image.h" #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" #include "core/fpdfapi/fpdf_page/pageint.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" @@ -92,71 +93,6 @@ const int kMaxImageDimension = 0x01FFFF; } // namespace -CFX_DIBSource* CPDF_Image::LoadDIBSource(CFX_DIBSource** ppMask, - FX_DWORD* pMatteColor, - FX_BOOL bStdCS, - FX_DWORD GroupFamily, - FX_BOOL bLoadMask) const { - std::unique_ptr<CPDF_DIBSource> source(new CPDF_DIBSource); - if (source->Load(m_pDocument, m_pStream, - reinterpret_cast<CPDF_DIBSource**>(ppMask), pMatteColor, - nullptr, nullptr, bStdCS, GroupFamily, bLoadMask)) { - return source.release(); - } - return nullptr; -} - -CFX_DIBSource* CPDF_Image::DetachBitmap() { - CFX_DIBSource* pBitmap = m_pDIBSource; - m_pDIBSource = nullptr; - return pBitmap; -} - -CFX_DIBSource* CPDF_Image::DetachMask() { - CFX_DIBSource* pBitmap = m_pMask; - m_pMask = nullptr; - return pBitmap; -} - -FX_BOOL CPDF_Image::StartLoadDIBSource(CPDF_Dictionary* pFormResource, - CPDF_Dictionary* pPageResource, - FX_BOOL bStdCS, - FX_DWORD GroupFamily, - FX_BOOL bLoadMask) { - std::unique_ptr<CPDF_DIBSource> source(new CPDF_DIBSource); - int ret = - source->StartLoadDIBSource(m_pDocument, m_pStream, TRUE, pFormResource, - pPageResource, bStdCS, GroupFamily, bLoadMask); - if (ret == 2) { - m_pDIBSource = source.release(); - return TRUE; - } - if (!ret) { - m_pDIBSource = nullptr; - return FALSE; - } - m_pMask = source->DetachMask(); - m_MatteColor = source->GetMatteColor(); - m_pDIBSource = source.release(); - return FALSE; -} - -FX_BOOL CPDF_Image::Continue(IFX_Pause* pPause) { - CPDF_DIBSource* pSource = static_cast<CPDF_DIBSource*>(m_pDIBSource); - int ret = pSource->ContinueLoadDIBSource(pPause); - if (ret == 2) { - return TRUE; - } - if (!ret) { - delete m_pDIBSource; - m_pDIBSource = nullptr; - return FALSE; - } - m_pMask = pSource->DetachMask(); - m_MatteColor = pSource->GetMatteColor(); - return FALSE; -} - CPDF_DIBSource::CPDF_DIBSource() : m_pDocument(nullptr), m_pStream(nullptr), diff --git a/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp index 9006f2011f..d4dd8ec211 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp @@ -7,7 +7,10 @@ #include "core/fpdfapi/fpdf_render/render_int.h" #include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h" +#include "core/fpdfapi/fpdf_page/cpdf_meshstream.h" #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" +#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" #include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h" diff --git a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp index 44e57e49ea..04b0c93507 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp @@ -6,6 +6,10 @@ #include "core/fpdfapi/fpdf_render/render_int.h" +#include "core/fpdfapi/fpdf_font/cpdf_cidfont.h" +#include "core/fpdfapi/fpdf_font/cpdf_type3char.h" +#include "core/fpdfapi/fpdf_font/cpdf_type3font.h" +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h" @@ -318,27 +322,7 @@ static void ReleaseCachedType3(CPDF_Type3Font* pFont) { pFont->m_pDocument->GetRenderData()->ReleaseCachedType3(pFont); pFont->m_pDocument->GetPageData()->ReleaseFont(pFont->GetFontDict()); } -FX_BOOL CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext) { - if (m_pBitmap || !m_pForm) { - return TRUE; - } - if (m_pForm->GetPageObjectList()->size() == 1 && !m_bColored) { - auto& pPageObj = m_pForm->GetPageObjectList()->front(); - if (pPageObj->IsImage()) { - m_ImageMatrix = pPageObj->AsImage()->m_Matrix; - const CFX_DIBSource* pSource = - pPageObj->AsImage()->m_pImage->LoadDIBSource(); - if (pSource) { - m_pBitmap = pSource->Clone(); - delete pSource; - } - delete m_pForm; - m_pForm = NULL; - return TRUE; - } - } - return FALSE; -} + class CPDF_RefType3Cache { public: CPDF_RefType3Cache(CPDF_Type3Font* pType3Font) { diff --git a/core/fpdfapi/fpdf_render/render_int.h b/core/fpdfapi/fpdf_render/render_int.h index b171b60fbe..ea1b1d8f6b 100644 --- a/core/fpdfapi/fpdf_render/render_int.h +++ b/core/fpdfapi/fpdf_render/render_int.h @@ -10,10 +10,11 @@ #include <map> #include <memory> +#include "core/fpdfapi/fpdf_page/cpdf_countedobject.h" #include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h" #include "core/fpdfapi/fpdf_page/include/cpdf_clippath.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h" -#include "core/include/fpdfapi/fpdf_resource.h" class CPDF_PageObjectHolder; class CPDF_PageRenderCache; @@ -40,6 +41,7 @@ class CPDF_TilingPattern; class CPDF_Color; class CPDF_Dictionary; class CPDF_ImageObject; +class CPDF_Stream; #define TYPE3_MAX_BLUES 16 |