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-rw-r--r--core/fpdfapi/fpdf_font/fpdf_font_cid.cpp1676
1 files changed, 1676 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp
new file mode 100644
index 0000000000..91fb9fc2ae
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp
@@ -0,0 +1,1676 @@
+// 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_font/font_int.h"
+
+#include "core/fpdfapi/fpdf_cmaps/cmap_int.h"
+#include "core/fpdfapi/fpdf_font/ttgsubtable.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_simple_parser.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxcrt/fx_ext.h"
+#include "core/include/fxge/fx_freetype.h"
+#include "core/include/fxge/fx_ge.h"
+
+namespace {
+
+const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = {
+ nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"};
+
+const int g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200};
+
+class CPDF_PredefinedCMap {
+ public:
+ const FX_CHAR* m_pName;
+ CIDSet m_Charset;
+ int m_Coding;
+ CPDF_CMap::CodingScheme m_CodingScheme;
+ FX_DWORD m_LeadingSegCount;
+ uint8_t m_LeadingSegs[4];
+};
+
+const CPDF_PredefinedCMap g_PredefinedCMaps[] = {
+ {"GB-EUC",
+ CIDSET_GB1,
+ CIDCODING_GB,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfe}},
+ {"GBpc-EUC",
+ CIDSET_GB1,
+ CIDCODING_GB,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfc}},
+ {"GBK-EUC",
+ CIDSET_GB1,
+ CIDCODING_GB,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x81, 0xfe}},
+ {"GBKp-EUC",
+ CIDSET_GB1,
+ CIDCODING_GB,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x81, 0xfe}},
+ {"GBK2K-EUC",
+ CIDSET_GB1,
+ CIDCODING_GB,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x81, 0xfe}},
+ {"GBK2K",
+ CIDSET_GB1,
+ CIDCODING_GB,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x81, 0xfe}},
+ {"UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+ {"UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
+ {"B5pc",
+ CIDSET_CNS1,
+ CIDCODING_BIG5,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfc}},
+ {"HKscs-B5",
+ CIDSET_CNS1,
+ CIDCODING_BIG5,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x88, 0xfe}},
+ {"ETen-B5",
+ CIDSET_CNS1,
+ CIDCODING_BIG5,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfe}},
+ {"ETenms-B5",
+ CIDSET_CNS1,
+ CIDCODING_BIG5,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfe}},
+ {"UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+ {"UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
+ {"83pv-RKSJ",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x81, 0x9f, 0xe0, 0xfc}},
+ {"90ms-RKSJ",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x81, 0x9f, 0xe0, 0xfc}},
+ {"90msp-RKSJ",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x81, 0x9f, 0xe0, 0xfc}},
+ {"90pv-RKSJ",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x81, 0x9f, 0xe0, 0xfc}},
+ {"Add-RKSJ",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x81, 0x9f, 0xe0, 0xfc}},
+ {"EUC",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x8e, 0x8e, 0xa1, 0xfe}},
+ {"H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}},
+ {"V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}},
+ {"Ext-RKSJ",
+ CIDSET_JAPAN1,
+ CIDCODING_JIS,
+ CPDF_CMap::MixedTwoBytes,
+ 2,
+ {0x81, 0x9f, 0xe0, 0xfc}},
+ {"UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+ {"UniJIS-UCS2-HW",
+ CIDSET_JAPAN1,
+ CIDCODING_UCS2,
+ CPDF_CMap::TwoBytes,
+ 0,
+ {}},
+ {"UniJIS-UTF16",
+ CIDSET_JAPAN1,
+ CIDCODING_UTF16,
+ CPDF_CMap::TwoBytes,
+ 0,
+ {}},
+ {"KSC-EUC",
+ CIDSET_KOREA1,
+ CIDCODING_KOREA,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfe}},
+ {"KSCms-UHC",
+ CIDSET_KOREA1,
+ CIDCODING_KOREA,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x81, 0xfe}},
+ {"KSCms-UHC-HW",
+ CIDSET_KOREA1,
+ CIDCODING_KOREA,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0x81, 0xfe}},
+ {"KSCpc-EUC",
+ CIDSET_KOREA1,
+ CIDCODING_KOREA,
+ CPDF_CMap::MixedTwoBytes,
+ 1,
+ {0xa1, 0xfd}},
+ {"UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+ {"UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
+};
+
+CIDSet CIDSetFromSizeT(size_t index) {
+ if (index >= CIDSET_NUM_SETS) {
+ NOTREACHED();
+ return CIDSET_UNKNOWN;
+ }
+ 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);
+}
+
+int CompareDWORD(const void* data1, const void* data2) {
+ return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2);
+}
+
+int CompareCID(const void* key, const void* element) {
+ if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) {
+ return -1;
+ }
+ if ((*(FX_DWORD*)key) >
+ (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) {
+ return 1;
+ }
+ return 0;
+}
+
+int CheckCodeRange(uint8_t* codes,
+ int size,
+ CMap_CodeRange* pRanges,
+ int nRanges) {
+ int iSeg = nRanges - 1;
+ while (iSeg >= 0) {
+ if (pRanges[iSeg].m_CharSize < size) {
+ --iSeg;
+ continue;
+ }
+ int iChar = 0;
+ while (iChar < size) {
+ if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] ||
+ codes[iChar] > pRanges[iSeg].m_Upper[iChar]) {
+ break;
+ }
+ ++iChar;
+ }
+ if (iChar == pRanges[iSeg].m_CharSize)
+ return 2;
+
+ if (iChar)
+ return (size == pRanges[iSeg].m_CharSize) ? 2 : 1;
+ iSeg--;
+ }
+ return 0;
+}
+
+int GetCharSizeImpl(FX_DWORD charcode,
+ CMap_CodeRange* pRanges,
+ int iRangesSize) {
+ if (!iRangesSize)
+ return 1;
+
+ uint8_t codes[4];
+ codes[0] = codes[1] = 0x00;
+ codes[2] = (uint8_t)(charcode >> 8 & 0xFF);
+ codes[3] = (uint8_t)charcode;
+ int offset = 0;
+ int size = 4;
+ for (int i = 0; i < 4; ++i) {
+ int iSeg = iRangesSize - 1;
+ while (iSeg >= 0) {
+ if (pRanges[iSeg].m_CharSize < size) {
+ --iSeg;
+ continue;
+ }
+ int iChar = 0;
+ while (iChar < size) {
+ if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] ||
+ codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) {
+ break;
+ }
+ ++iChar;
+ }
+ if (iChar == pRanges[iSeg].m_CharSize)
+ return size;
+ --iSeg;
+ }
+ --size;
+ ++offset;
+ }
+ return 1;
+}
+
+bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) {
+ switch (charset) {
+ case CIDSET_GB1:
+ case CIDSET_CNS1:
+ case CIDSET_JAPAN1:
+ case CIDSET_KOREA1:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+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 FX_WORD* 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_
+
+FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap,
+ CIDSet charset,
+ FX_DWORD charcode) {
+ if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
+ return 0;
+
+ FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
+ if (cid == 0)
+ return 0;
+
+ CPDF_FontGlobals* pFontGlobals =
+ CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
+ const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
+ if (!pCodes)
+ return 0;
+
+ if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count)
+ return pCodes[cid];
+ return 0;
+}
+
+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 {
+ FX_WORD 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) {
+ FX_WORD CID = *static_cast<const FX_WORD*>(key);
+ return CID - static_cast<const struct CIDTransform*>(element)->CID;
+}
+
+} // namespace
+
+CPDF_CMapManager::CPDF_CMapManager() {
+ m_bPrompted = FALSE;
+ FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps);
+}
+CPDF_CMapManager::~CPDF_CMapManager() {
+ for (const auto& pair : m_CMaps) {
+ delete pair.second;
+ }
+ m_CMaps.clear();
+ for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) {
+ delete m_CID2UnicodeMaps[i];
+ }
+}
+CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name,
+ FX_BOOL bPromptCJK) {
+ auto it = m_CMaps.find(name);
+ if (it != m_CMaps.end()) {
+ return it->second;
+ }
+ CPDF_CMap* pCMap = LoadPredefinedCMap(name, bPromptCJK);
+ if (!name.IsEmpty()) {
+ m_CMaps[name] = pCMap;
+ }
+ return pCMap;
+}
+CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name,
+ FX_BOOL bPromptCJK) {
+ CPDF_CMap* pCMap = new CPDF_CMap;
+ const FX_CHAR* pname = name;
+ if (*pname == '/') {
+ pname++;
+ }
+ pCMap->LoadPredefined(this, pname, bPromptCJK);
+ return pCMap;
+}
+
+void CPDF_CMapManager::ReloadAll() {
+ for (const auto& pair : m_CMaps) {
+ CPDF_CMap* pCMap = pair.second;
+ pCMap->LoadPredefined(this, pair.first, FALSE);
+ }
+ for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) {
+ if (CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i]) {
+ pMap->Load(this, CIDSetFromSizeT(i), FALSE);
+ }
+ }
+}
+CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset,
+ FX_BOOL bPromptCJK) {
+ if (!m_CID2UnicodeMaps[charset])
+ m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
+ return m_CID2UnicodeMaps[charset];
+}
+CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(CIDSet charset,
+ FX_BOOL bPromptCJK) {
+ CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap();
+ if (!pMap->Initialize()) {
+ delete pMap;
+ return NULL;
+ }
+ pMap->Load(this, charset, bPromptCJK);
+ return pMap;
+}
+CPDF_CMapParser::CPDF_CMapParser() {
+ m_pCMap = NULL;
+ m_Status = 0;
+ m_CodeSeq = 0;
+}
+FX_BOOL CPDF_CMapParser::Initialize(CPDF_CMap* pCMap) {
+ m_pCMap = pCMap;
+ m_Status = 0;
+ m_CodeSeq = 0;
+ m_AddMaps.EstimateSize(0, 10240);
+ return TRUE;
+}
+
+void CPDF_CMapParser::ParseWord(const CFX_ByteStringC& word) {
+ if (word.IsEmpty()) {
+ return;
+ }
+ if (word == "begincidchar") {
+ m_Status = 1;
+ m_CodeSeq = 0;
+ } else if (word == "begincidrange") {
+ m_Status = 2;
+ m_CodeSeq = 0;
+ } else if (word == "endcidrange" || word == "endcidchar") {
+ m_Status = 0;
+ } else if (word == "/WMode") {
+ m_Status = 6;
+ } else if (word == "/Registry") {
+ m_Status = 3;
+ } else if (word == "/Ordering") {
+ m_Status = 4;
+ } else if (word == "/Supplement") {
+ m_Status = 5;
+ } else if (word == "begincodespacerange") {
+ m_Status = 7;
+ m_CodeSeq = 0;
+ } else if (word == "usecmap") {
+ } else if (m_Status == 1 || m_Status == 2) {
+ m_CodePoints[m_CodeSeq] = CMap_GetCode(word);
+ m_CodeSeq++;
+ FX_DWORD StartCode, EndCode;
+ FX_WORD StartCID;
+ if (m_Status == 1) {
+ if (m_CodeSeq < 2) {
+ return;
+ }
+ EndCode = StartCode = m_CodePoints[0];
+ StartCID = (FX_WORD)m_CodePoints[1];
+ } else {
+ if (m_CodeSeq < 3) {
+ return;
+ }
+ StartCode = m_CodePoints[0];
+ EndCode = m_CodePoints[1];
+ StartCID = (FX_WORD)m_CodePoints[2];
+ }
+ if (EndCode < 0x10000) {
+ for (FX_DWORD code = StartCode; code <= EndCode; code++) {
+ m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode);
+ }
+ } else {
+ FX_DWORD buf[2];
+ buf[0] = StartCode;
+ buf[1] = ((EndCode - StartCode) << 16) + StartCID;
+ m_AddMaps.AppendBlock(buf, sizeof buf);
+ }
+ m_CodeSeq = 0;
+ } else if (m_Status == 3) {
+ CMap_GetString(word);
+ m_Status = 0;
+ } else if (m_Status == 4) {
+ m_pCMap->m_Charset = CharsetFromOrdering(CMap_GetString(word));
+ m_Status = 0;
+ } else if (m_Status == 5) {
+ CMap_GetCode(word);
+ m_Status = 0;
+ } else if (m_Status == 6) {
+ m_pCMap->m_bVertical = CMap_GetCode(word);
+ m_Status = 0;
+ } else if (m_Status == 7) {
+ if (word == "endcodespacerange") {
+ int nSegs = m_CodeRanges.GetSize();
+ if (nSegs > 1) {
+ m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes;
+ m_pCMap->m_nCodeRanges = nSegs;
+ m_pCMap->m_pLeadingBytes =
+ FX_Alloc2D(uint8_t, nSegs, sizeof(CMap_CodeRange));
+ FXSYS_memcpy(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(),
+ nSegs * sizeof(CMap_CodeRange));
+ } else if (nSegs == 1) {
+ m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2)
+ ? CPDF_CMap::TwoBytes
+ : CPDF_CMap::OneByte;
+ }
+ m_Status = 0;
+ } else {
+ if (word.GetLength() == 0 || word.GetAt(0) != '<') {
+ return;
+ }
+ if (m_CodeSeq % 2) {
+ CMap_CodeRange range;
+ if (CMap_GetCodeRange(range, m_LastWord, word)) {
+ m_CodeRanges.Add(range);
+ }
+ }
+ m_CodeSeq++;
+ }
+ }
+ m_LastWord = word;
+}
+
+// Static.
+FX_DWORD CPDF_CMapParser::CMap_GetCode(const CFX_ByteStringC& word) {
+ int num = 0;
+ if (word.GetAt(0) == '<') {
+ for (int i = 1; i < word.GetLength() && std::isxdigit(word.GetAt(i)); ++i)
+ num = num * 16 + FXSYS_toHexDigit(word.GetAt(i));
+ return num;
+ }
+
+ for (int i = 0; i < word.GetLength() && std::isdigit(word.GetAt(i)); ++i)
+ num = num * 10 + FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(word.GetAt(i)));
+ return num;
+}
+
+// Static.
+bool CPDF_CMapParser::CMap_GetCodeRange(CMap_CodeRange& range,
+ const CFX_ByteStringC& first,
+ const CFX_ByteStringC& second) {
+ if (first.GetLength() == 0 || first.GetAt(0) != '<')
+ return false;
+
+ int i;
+ for (i = 1; i < first.GetLength(); ++i) {
+ if (first.GetAt(i) == '>') {
+ break;
+ }
+ }
+ range.m_CharSize = (i - 1) / 2;
+ if (range.m_CharSize > 4)
+ return false;
+
+ for (i = 0; i < range.m_CharSize; ++i) {
+ uint8_t digit1 = first.GetAt(i * 2 + 1);
+ uint8_t digit2 = first.GetAt(i * 2 + 2);
+ range.m_Lower[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2);
+ }
+
+ FX_DWORD size = second.GetLength();
+ for (i = 0; i < range.m_CharSize; ++i) {
+ uint8_t digit1 = ((FX_DWORD)i * 2 + 1 < size)
+ ? second.GetAt((FX_STRSIZE)i * 2 + 1)
+ : '0';
+ uint8_t digit2 = ((FX_DWORD)i * 2 + 2 < size)
+ ? second.GetAt((FX_STRSIZE)i * 2 + 2)
+ : '0';
+ range.m_Upper[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2);
+ }
+ return true;
+}
+
+CPDF_CMap::CPDF_CMap() {
+ m_Charset = CIDSET_UNKNOWN;
+ m_Coding = CIDCODING_UNKNOWN;
+ m_CodingScheme = TwoBytes;
+ m_bVertical = 0;
+ m_bLoaded = FALSE;
+ m_pMapping = NULL;
+ m_pLeadingBytes = NULL;
+ m_pAddMapping = NULL;
+ m_pEmbedMap = NULL;
+ m_pUseMap = NULL;
+ m_nCodeRanges = 0;
+}
+CPDF_CMap::~CPDF_CMap() {
+ FX_Free(m_pMapping);
+ FX_Free(m_pAddMapping);
+ FX_Free(m_pLeadingBytes);
+ delete m_pUseMap;
+}
+void CPDF_CMap::Release() {
+ if (m_PredefinedCMap.IsEmpty()) {
+ delete this;
+ }
+}
+
+FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr,
+ const FX_CHAR* pName,
+ FX_BOOL bPromptCJK) {
+ m_PredefinedCMap = pName;
+ if (m_PredefinedCMap == "Identity-H" || m_PredefinedCMap == "Identity-V") {
+ m_Coding = CIDCODING_CID;
+ m_bVertical = pName[9] == 'V';
+ m_bLoaded = TRUE;
+ return TRUE;
+ }
+ CFX_ByteString cmapid = m_PredefinedCMap;
+ m_bVertical = cmapid.Right(1) == "V";
+ if (cmapid.GetLength() > 2) {
+ cmapid = cmapid.Left(cmapid.GetLength() - 2);
+ }
+ const CPDF_PredefinedCMap* map = nullptr;
+ for (size_t i = 0; i < FX_ArraySize(g_PredefinedCMaps); ++i) {
+ if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[i].m_pName)) {
+ map = &g_PredefinedCMaps[i];
+ break;
+ }
+ }
+ if (!map)
+ return FALSE;
+
+ m_Charset = map->m_Charset;
+ m_Coding = map->m_Coding;
+ m_CodingScheme = map->m_CodingScheme;
+ if (m_CodingScheme == MixedTwoBytes) {
+ m_pLeadingBytes = FX_Alloc(uint8_t, 256);
+ for (FX_DWORD i = 0; i < map->m_LeadingSegCount; ++i) {
+ const uint8_t* segs = map->m_LeadingSegs;
+ for (int b = segs[i * 2]; b <= segs[i * 2 + 1]; ++b) {
+ m_pLeadingBytes[b] = 1;
+ }
+ }
+ }
+ FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap);
+ if (m_pEmbedMap) {
+ m_bLoaded = TRUE;
+ return TRUE;
+ }
+ return FALSE;
+}
+FX_BOOL CPDF_CMap::LoadEmbedded(const uint8_t* pData, FX_DWORD size) {
+ m_pMapping = FX_Alloc(FX_WORD, 65536);
+ CPDF_CMapParser parser;
+ parser.Initialize(this);
+ CPDF_SimpleParser syntax(pData, size);
+ while (1) {
+ CFX_ByteStringC word = syntax.GetWord();
+ if (word.IsEmpty()) {
+ break;
+ }
+ parser.ParseWord(word);
+ }
+ if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) {
+ m_pAddMapping = FX_Alloc(uint8_t, parser.m_AddMaps.GetSize() + 4);
+ *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8;
+ FXSYS_memcpy(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(),
+ parser.m_AddMaps.GetSize());
+ FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8,
+ CompareDWORD);
+ }
+ return TRUE;
+}
+
+FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const {
+ if (m_Coding == CIDCODING_CID) {
+ return (FX_WORD)charcode;
+ }
+ if (m_pEmbedMap) {
+ return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode);
+ }
+ if (!m_pMapping) {
+ return (FX_WORD)charcode;
+ }
+ if (charcode >> 16) {
+ if (m_pAddMapping) {
+ void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4,
+ *(FX_DWORD*)m_pAddMapping, 8, CompareCID);
+ if (!found) {
+ if (m_pUseMap) {
+ return m_pUseMap->CIDFromCharCode(charcode);
+ }
+ return 0;
+ }
+ return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode -
+ *(FX_DWORD*)found);
+ }
+ if (m_pUseMap)
+ return m_pUseMap->CIDFromCharCode(charcode);
+ return 0;
+ }
+ FX_DWORD CID = m_pMapping[charcode];
+ if (!CID && m_pUseMap)
+ return m_pUseMap->CIDFromCharCode(charcode);
+ return (FX_WORD)CID;
+}
+
+FX_DWORD CPDF_CMap::GetNextChar(const FX_CHAR* pString,
+ int nStrLen,
+ int& offset) const {
+ switch (m_CodingScheme) {
+ case OneByte:
+ return ((uint8_t*)pString)[offset++];
+ case TwoBytes:
+ offset += 2;
+ return ((uint8_t*)pString)[offset - 2] * 256 +
+ ((uint8_t*)pString)[offset - 1];
+ case MixedTwoBytes: {
+ uint8_t byte1 = ((uint8_t*)pString)[offset++];
+ if (!m_pLeadingBytes[byte1]) {
+ return byte1;
+ }
+ uint8_t byte2 = ((uint8_t*)pString)[offset++];
+ return byte1 * 256 + byte2;
+ }
+ case MixedFourBytes: {
+ uint8_t codes[4];
+ int char_size = 1;
+ codes[0] = ((uint8_t*)pString)[offset++];
+ CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes;
+ while (1) {
+ int ret = CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges);
+ if (ret == 0) {
+ return 0;
+ }
+ if (ret == 2) {
+ FX_DWORD charcode = 0;
+ for (int i = 0; i < char_size; i++) {
+ charcode = (charcode << 8) + codes[i];
+ }
+ return charcode;
+ }
+ if (char_size == 4 || offset == nStrLen) {
+ return 0;
+ }
+ codes[char_size++] = ((uint8_t*)pString)[offset++];
+ }
+ break;
+ }
+ }
+ return 0;
+}
+int CPDF_CMap::GetCharSize(FX_DWORD charcode) const {
+ switch (m_CodingScheme) {
+ case OneByte:
+ return 1;
+ case TwoBytes:
+ return 2;
+ case MixedTwoBytes:
+ case MixedFourBytes:
+ if (charcode < 0x100) {
+ return 1;
+ }
+ if (charcode < 0x10000) {
+ return 2;
+ }
+ if (charcode < 0x1000000) {
+ return 3;
+ }
+ return 4;
+ }
+ return 1;
+}
+int CPDF_CMap::CountChar(const FX_CHAR* pString, int size) const {
+ switch (m_CodingScheme) {
+ case OneByte:
+ return size;
+ case TwoBytes:
+ return (size + 1) / 2;
+ case MixedTwoBytes: {
+ int count = 0;
+ for (int i = 0; i < size; i++) {
+ count++;
+ if (m_pLeadingBytes[((uint8_t*)pString)[i]]) {
+ i++;
+ }
+ }
+ return count;
+ }
+ case MixedFourBytes: {
+ int count = 0, offset = 0;
+ while (offset < size) {
+ GetNextChar(pString, size, offset);
+ count++;
+ }
+ return count;
+ }
+ }
+ return size;
+}
+
+int CPDF_CMap::AppendChar(FX_CHAR* str, FX_DWORD charcode) const {
+ switch (m_CodingScheme) {
+ case OneByte:
+ str[0] = (uint8_t)charcode;
+ return 1;
+ case TwoBytes:
+ str[0] = (uint8_t)(charcode / 256);
+ str[1] = (uint8_t)(charcode % 256);
+ return 2;
+ case MixedTwoBytes:
+ case MixedFourBytes:
+ if (charcode < 0x100) {
+ CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes;
+ int iSize = GetCharSizeImpl(charcode, pRanges, m_nCodeRanges);
+ if (iSize == 0) {
+ iSize = 1;
+ }
+ if (iSize > 1) {
+ FXSYS_memset(str, 0, sizeof(uint8_t) * iSize);
+ }
+ str[iSize - 1] = (uint8_t)charcode;
+ return iSize;
+ }
+ if (charcode < 0x10000) {
+ str[0] = (uint8_t)(charcode >> 8);
+ str[1] = (uint8_t)charcode;
+ return 2;
+ }
+ if (charcode < 0x1000000) {
+ str[0] = (uint8_t)(charcode >> 16);
+ str[1] = (uint8_t)(charcode >> 8);
+ str[2] = (uint8_t)charcode;
+ return 3;
+ }
+ str[0] = (uint8_t)(charcode >> 24);
+ str[1] = (uint8_t)(charcode >> 16);
+ str[2] = (uint8_t)(charcode >> 8);
+ str[3] = (uint8_t)charcode;
+ return 4;
+ }
+ return 0;
+}
+CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap() {
+ m_EmbeddedCount = 0;
+}
+CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() {}
+FX_BOOL CPDF_CID2UnicodeMap::Initialize() {
+ return TRUE;
+}
+FX_BOOL CPDF_CID2UnicodeMap::IsLoaded() {
+ return m_EmbeddedCount != 0;
+}
+FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID) {
+ if (m_Charset == CIDSET_UNICODE) {
+ return CID;
+ }
+ if (CID < m_EmbeddedCount) {
+ return m_pEmbeddedMap[CID];
+ }
+ return 0;
+}
+
+void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr,
+ CIDSet charset,
+ FX_BOOL bPromptCJK) {
+ m_Charset = charset;
+ 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;
+}
+
+FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const {
+ if (!m_pCMap) {
+ return (FX_WORD)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((FX_WORD)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;
+#endif
+ if (m_pCMap->m_pEmbedMap) {
+ return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap,
+ m_pCMap->m_Charset, charcode);
+ }
+ return 0;
+ }
+ 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((FX_WORD)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) {
+ FX_WORD 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];
+ }
+ FX_WORD 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(FX_WORD 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(FX_WORD 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 = (FX_WORD)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) {
+ FX_WORD 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;
+ }
+ FX_WORD 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;
+
+ FX_WORD 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, last_code;
+ 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(FX_WORD, 128);
+ for (int i = 32; i < 127; i++) {
+ m_pAnsiWidths[i] = 500;
+ }
+ return TRUE;
+}
+
+const uint8_t* CPDF_CIDFont::GetCIDTransform(FX_WORD 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;
+}