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authordsinclair <dsinclair@chromium.org>2016-10-04 11:08:49 -0700
committerCommit bot <commit-bot@chromium.org>2016-10-04 11:08:49 -0700
commitbc5e6d289ed40efec2b0e03427e8fc2947bf53e3 (patch)
treefa1509c1fe1a46a6ebe8861768804883041973be /core/fpdfapi/font
parent241543581696e996093bf0c2ae09ece6afe13ba2 (diff)
downloadpdfium-bc5e6d289ed40efec2b0e03427e8fc2947bf53e3.tar.xz
Move core/fpdfapi/fpdf_font to core/fpdfapi/font
BUG=pdfium:603 Review-Url: https://codereview.chromium.org/2392773003
Diffstat (limited to 'core/fpdfapi/font')
-rw-r--r--core/fpdfapi/font/cpdf_cidfont.cpp852
-rw-r--r--core/fpdfapi/font/cpdf_cidfont.h91
-rw-r--r--core/fpdfapi/font/cpdf_font.cpp476
-rw-r--r--core/fpdfapi/font/cpdf_font.h132
-rw-r--r--core/fpdfapi/font/cpdf_fontencoding.cpp1818
-rw-r--r--core/fpdfapi/font/cpdf_fontencoding.h61
-rw-r--r--core/fpdfapi/font/cpdf_simplefont.cpp216
-rw-r--r--core/fpdfapi/font/cpdf_simplefont.h49
-rw-r--r--core/fpdfapi/font/cpdf_truetypefont.cpp223
-rw-r--r--core/fpdfapi/font/cpdf_truetypefont.h30
-rw-r--r--core/fpdfapi/font/cpdf_type1font.cpp398
-rw-r--r--core/fpdfapi/font/cpdf_type1font.h35
-rw-r--r--core/fpdfapi/font/cpdf_type3char.cpp38
-rw-r--r--core/fpdfapi/font/cpdf_type3char.h35
-rw-r--r--core/fpdfapi/font/cpdf_type3font.cpp159
-rw-r--r--core/fpdfapi/font/cpdf_type3font.h59
-rw-r--r--core/fpdfapi/font/font_int.h204
-rw-r--r--core/fpdfapi/font/fpdf_font.cpp317
-rw-r--r--core/fpdfapi/font/fpdf_font_cid.cpp783
-rw-r--r--core/fpdfapi/font/fpdf_font_cid_unittest.cpp70
-rw-r--r--core/fpdfapi/font/fpdf_font_unittest.cpp30
-rw-r--r--core/fpdfapi/font/ttgsubtable.cpp502
-rw-r--r--core/fpdfapi/font/ttgsubtable.h301
23 files changed, 6879 insertions, 0 deletions
diff --git a/core/fpdfapi/font/cpdf_cidfont.cpp b/core/fpdfapi/font/cpdf_cidfont.cpp
new file mode 100644
index 0000000000..e5bbd80a83
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_cidfont.cpp
@@ -0,0 +1,852 @@
+// 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/font/cpdf_cidfont.h"
+
+#include <algorithm>
+#include <vector>
+
+#include "core/fpdfapi/cmaps/cmap_int.h"
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/font/cpdf_fontencoding.h"
+#include "core/fpdfapi/font/font_int.h"
+#include "core/fpdfapi/font/ttgsubtable.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h"
+#include "third_party/base/numerics/safe_math.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},
+};
+
+CPDF_FontGlobals* GetFontGlobals() {
+ return CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
+}
+
+#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,
+ uint32_t charcode) {
+ if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
+ return 0;
+
+ uint16_t cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
+ const auto& codes = GetFontGlobals()->m_EmbeddedToUnicodes[charset];
+ if (codes.m_pMap && cid && cid < codes.m_Count)
+ return codes.m_pMap[cid];
+ return 0;
+}
+
+uint32_t EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap,
+ CIDSet charset,
+ FX_WCHAR unicode) {
+ if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
+ return 0;
+
+ const auto& codes = GetFontGlobals()->m_EmbeddedToUnicodes[charset];
+ const uint16_t* pCodes = codes.m_pMap;
+ if (!pCodes)
+ return 0;
+
+ for (uint32_t i = 0; i < codes.m_Count; ++i) {
+ if (pCodes[i] == unicode) {
+ uint32_t CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i);
+ if (CharCode)
+ 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));
+}
+
+bool IsMetricForCID(const uint32_t* pEntry, uint16_t CID) {
+ return pEntry[0] <= CID && pEntry[1] >= CID;
+}
+
+} // namespace
+
+CPDF_CIDFont::CPDF_CIDFont()
+ : m_pCMap(nullptr),
+ m_pCID2UnicodeMap(nullptr),
+ m_bCIDIsGID(false),
+ m_bAnsiWidthsFixed(false),
+ m_bAdobeCourierStd(false) {
+ for (size_t i = 0; i < FX_ArraySize(m_CharBBox); ++i)
+ m_CharBBox[i] = FX_RECT(-1, -1, -1, -1);
+}
+
+CPDF_CIDFont::~CPDF_CIDFont() {}
+
+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(uint32_t charcode) const {
+ return m_pCMap ? m_pCMap->CIDFromCharCode(charcode)
+ : static_cast<uint16_t>(charcode);
+}
+
+bool CPDF_CIDFont::IsVertWriting() const {
+ return m_pCMap && m_pCMap->IsVertWriting();
+}
+
+CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(uint32_t charcode) const {
+ CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode);
+ if (!str.IsEmpty())
+ return str;
+ FX_WCHAR ret = GetUnicodeFromCharCode(charcode);
+ return ret ? ret : CFX_WideString();
+}
+
+FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(uint32_t charcode) const {
+ switch (m_pCMap->m_Coding) {
+ case CIDCODING_UCS2:
+ case CIDCODING_UTF16:
+ return static_cast<FX_WCHAR>(charcode);
+ case CIDCODING_CID:
+ if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded())
+ return 0;
+ return m_pCID2UnicodeMap->UnicodeFromCID(static_cast<uint16_t>(charcode));
+ }
+ if (m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded() && m_pCMap->IsLoaded())
+ return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode));
+
+#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,
+ reinterpret_cast<const FX_CHAR*>(&charcode), charsize, &unicode, 1);
+ return ret == 1 ? unicode : 0;
+#else
+ if (!m_pCMap->m_pEmbedMap)
+ return 0;
+ return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset,
+ charcode);
+#endif
+}
+
+uint32_t CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const {
+ uint32_t 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;
+ uint32_t CID = 0;
+ while (CID < 65536) {
+ FX_WCHAR this_unicode =
+ m_pCID2UnicodeMap->UnicodeFromCID(static_cast<uint16_t>(CID));
+ if (this_unicode == unicode)
+ return CID;
+ CID++;
+ }
+ break;
+ }
+ }
+
+ if (unicode < 0x80)
+ return static_cast<uint32_t>(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,
+ reinterpret_cast<char*>(buffer), 4, nullptr, nullptr);
+ 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;
+}
+
+bool CPDF_CIDFont::Load() {
+ if (m_pFontDict->GetStringFor("Subtype") == "TrueType") {
+ LoadGB2312();
+ return true;
+ }
+
+ CPDF_Array* pFonts = m_pFontDict->GetArrayFor("DescendantFonts");
+ if (!pFonts || pFonts->GetCount() != 1)
+ return false;
+
+ CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0);
+ if (!pCIDFontDict)
+ return false;
+
+ m_BaseFont = pCIDFontDict->GetStringFor("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->GetDictFor("FontDescriptor");
+ if (pFontDesc)
+ LoadFontDescriptor(pFontDesc);
+
+ CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
+ if (!pEncoding)
+ return false;
+
+ CFX_ByteString subtype = pCIDFontDict->GetStringFor("Subtype");
+ m_bType1 = (subtype == "CIDFontType0");
+
+ CPDF_CMapManager& manager = GetFontGlobals()->m_CMapManager;
+ if (pEncoding->IsName()) {
+ CFX_ByteString cmap = pEncoding->GetString();
+ bool bPromptCJK = m_pFontFile && m_bType1;
+ m_pCMap = manager.GetPredefinedCMap(cmap, bPromptCJK);
+ if (!m_pCMap)
+ return false;
+ } else if (CPDF_Stream* pStream = pEncoding->AsStream()) {
+ m_pCMap = new CPDF_CMap;
+ m_pAllocatedCMap.reset(m_pCMap);
+ CPDF_StreamAcc acc;
+ acc.LoadAllData(pStream, FALSE);
+ m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
+ } else {
+ return false;
+ }
+
+ m_Charset = m_pCMap->m_Charset;
+ if (m_Charset == CIDSET_UNKNOWN) {
+ CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo");
+ if (pCIDInfo) {
+ m_Charset =
+ CharsetFromOrdering(pCIDInfo->GetStringFor("Ordering").AsStringC());
+ }
+ }
+ if (m_Charset != CIDSET_UNKNOWN) {
+ bool bPromptCJK = !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID ||
+ pCIDFontDict->KeyExist("W"));
+ m_pCID2UnicodeMap = manager.GetCID2UnicodeMap(m_Charset, bPromptCJK);
+ }
+ 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->GetIntegerFor("DW", 1000);
+ CPDF_Array* pWidthArray = pCIDFontDict->GetArrayFor("W");
+ if (pWidthArray)
+ LoadMetricsArray(pWidthArray, m_WidthList, 1);
+ if (!IsEmbedded())
+ LoadSubstFont();
+
+ if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
+ CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap");
+ if (pmap) {
+ if (CPDF_Stream* pStream = pmap->AsStream()) {
+ m_pStreamAcc.reset(new CPDF_StreamAcc);
+ m_pStreamAcc->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->GetArrayFor("W2");
+ if (pWidthArray)
+ LoadMetricsArray(pWidthArray, m_VertMetrics, 3);
+ CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayFor("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(uint32_t charcode) {
+ if (charcode < 256 && m_CharBBox[charcode].right != -1)
+ return m_CharBBox[charcode];
+
+ FX_RECT rect;
+ 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);
+ }
+ rect.top = std::min(rect.top,
+ static_cast<int>(FXFT_Get_Face_Ascender(face)));
+ rect.bottom = std::max(
+ rect.bottom, static_cast<int>(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.GetOuterRect();
+ }
+ }
+ if (charcode < 256)
+ m_CharBBox[charcode] = rect;
+
+ return rect;
+}
+
+int CPDF_CIDFont::GetCharWidthF(uint32_t charcode) {
+ if (charcode < 0x80 && m_bAnsiWidthsFixed)
+ return (charcode >= 32 && charcode < 127) ? 500 : 0;
+
+ uint16_t cid = CIDFromCharCode(charcode);
+ int size = m_WidthList.GetSize();
+ const uint32_t* pList = m_WidthList.GetData();
+ for (int i = 0; i < size; i += 3) {
+ const uint32_t* pEntry = pList + i;
+ if (IsMetricForCID(pEntry, cid))
+ return static_cast<int>(pEntry[2]);
+ }
+ return m_DefaultWidth;
+}
+
+short CPDF_CIDFont::GetVertWidth(uint16_t CID) const {
+ uint32_t vertsize = m_VertMetrics.GetSize() / 5;
+ if (vertsize) {
+ const uint32_t* pTable = m_VertMetrics.GetData();
+ for (uint32_t i = 0; i < vertsize; i++) {
+ const uint32_t* pEntry = pTable + (i * 5);
+ if (IsMetricForCID(pEntry, CID))
+ return static_cast<short>(pEntry[2]);
+ }
+ }
+ return m_DefaultW1;
+}
+
+void CPDF_CIDFont::GetVertOrigin(uint16_t CID, short& vx, short& vy) const {
+ uint32_t vertsize = m_VertMetrics.GetSize() / 5;
+ if (vertsize) {
+ const uint32_t* pTable = m_VertMetrics.GetData();
+ for (uint32_t i = 0; i < vertsize; i++) {
+ const uint32_t* pEntry = pTable + (i * 5);
+ if (IsMetricForCID(pEntry, CID)) {
+ vx = static_cast<short>(pEntry[3]);
+ vy = static_cast<short>(pEntry[4]);
+ return;
+ }
+ }
+ }
+ uint32_t dwWidth = m_DefaultWidth;
+ int size = m_WidthList.GetSize();
+ const uint32_t* pList = m_WidthList.GetData();
+ for (int i = 0; i < size; i += 3) {
+ const uint32_t* pEntry = pList + i;
+ if (IsMetricForCID(pEntry, CID)) {
+ dwWidth = pEntry[2];
+ break;
+ }
+ }
+ vx = static_cast<short>(dwWidth) / 2;
+ vy = m_DefaultVY;
+}
+
+int CPDF_CIDFont::GetGlyphIndex(uint32_t unicode, 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())
+ return index;
+
+ if (m_pTTGSUBTable)
+ return GetVerticalGlyph(index, pVertGlyph);
+
+ if (!m_Font.GetSubData()) {
+ unsigned long length = 0;
+ int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
+ nullptr, &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(), nullptr);
+ if (error || !m_Font.GetSubData())
+ return index;
+
+ m_pTTGSUBTable.reset(new CFX_CTTGSUBTable);
+ m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData());
+ return GetVerticalGlyph(index, pVertGlyph);
+}
+
+int CPDF_CIDFont::GetVerticalGlyph(int index, bool* pVertGlyph) {
+ uint32_t vindex = 0;
+ m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
+ if (!vindex)
+ return index;
+
+ index = vindex;
+ if (pVertGlyph)
+ *pVertGlyph = true;
+ return index;
+}
+
+int CPDF_CIDFont::GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) {
+ if (pVertGlyph)
+ *pVertGlyph = FALSE;
+
+ if (!m_pFontFile && !m_pStreamAcc) {
+ 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) {
+ CFX_WideString unicode_str = UnicodeFromCharCode(charcode);
+ if (!unicode_str.IsEmpty())
+ unicode = unicode_str.GetAt(0);
+ }
+ }
+ FXFT_Face face = m_Font.GetFace();
+ if (unicode == 0) {
+ if (!m_bAdobeCourierStd)
+ return charcode ? static_cast<int>(charcode) : -1;
+
+ charcode += 31;
+ bool bMSUnicode = FT_UseTTCharmap(face, 3, 1);
+ bool bMacRoman = !bMSUnicode && FT_UseTTCharmap(face, 1, 0);
+ int iBaseEncoding = PDFFONT_ENCODING_STANDARD;
+ if (bMSUnicode)
+ iBaseEncoding = PDFFONT_ENCODING_WINANSI;
+ else if (bMacRoman)
+ iBaseEncoding = PDFFONT_ENCODING_MACROMAN;
+ const FX_CHAR* name = GetAdobeCharName(
+ iBaseEncoding, std::vector<CFX_ByteString>(), charcode);
+ if (!name)
+ return charcode ? static_cast<int>(charcode) : -1;
+
+ int index = 0;
+ uint16_t name_unicode = PDF_UnicodeFromAdobeName(name);
+ if (!name_unicode)
+ return charcode ? static_cast<int>(charcode) : -1;
+
+ if (iBaseEncoding == PDFFONT_ENCODING_STANDARD)
+ return FXFT_Get_Char_Index(face, name_unicode);
+
+ if (iBaseEncoding == PDFFONT_ENCODING_WINANSI) {
+ index = FXFT_Get_Char_Index(face, name_unicode);
+ } else {
+ ASSERT(iBaseEncoding == PDFFONT_ENCODING_MACROMAN);
+ uint32_t maccode =
+ FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, name_unicode);
+ index = maccode ? FXFT_Get_Char_Index(face, maccode)
+ : FXFT_Get_Name_Index(face, const_cast<char*>(name));
+ }
+ if (index == 0 || index == 0xffff)
+ return charcode ? static_cast<int>(charcode) : -1;
+ 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) {
+ int i;
+ for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) {
+ uint32_t ret = FT_CharCodeFromUnicode(
+ FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]),
+ static_cast<FX_WCHAR>(charcode));
+ if (ret == 0)
+ continue;
+ FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]);
+ unicode = static_cast<FX_WCHAR>(ret);
+ break;
+ }
+ if (i == FXFT_Get_Face_CharmapCount(face) && i) {
+ FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]);
+ unicode = static_cast<FX_WCHAR>(charcode);
+ }
+ }
+ if (FXFT_Get_Face_Charmap(face)) {
+ int index = GetGlyphIndex(unicode, pVertGlyph);
+ return index != 0 ? index : -1;
+ }
+ return unicode;
+ }
+
+ if (!m_Font.GetFace())
+ return -1;
+
+ uint16_t cid = CIDFromCharCode(charcode);
+ if (!m_pStreamAcc) {
+ if (m_bType1)
+ return cid;
+
+ 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);
+ }
+ uint32_t byte_pos = cid * 2;
+ if (byte_pos + 2 > m_pStreamAcc->GetSize())
+ return -1;
+
+ const uint8_t* pdata = m_pStreamAcc->GetData() + byte_pos;
+ return pdata[0] * 256 + pdata[1];
+}
+
+uint32_t CPDF_CIDFont::GetNextChar(const FX_CHAR* pString,
+ int nStrLen,
+ int& offset) const {
+ return m_pCMap->GetNextChar(pString, nStrLen, offset);
+}
+
+int CPDF_CIDFont::GetCharSize(uint32_t 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, uint32_t charcode) const {
+ return m_pCMap->AppendChar(str, charcode);
+}
+
+bool CPDF_CIDFont::IsUnicodeCompatible() const {
+ if (m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded() && m_pCMap->IsLoaded())
+ return true;
+ return m_pCMap->m_Coding != CIDCODING_UNKNOWN;
+}
+
+void CPDF_CIDFont::LoadSubstFont() {
+ pdfium::base::CheckedNumeric<int> safeStemV(m_StemV);
+ safeStemV *= 5;
+ m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags,
+ safeStemV.ValueOrDefault(FXFONT_FW_NORMAL), m_ItalicAngle,
+ g_CharsetCPs[m_Charset], IsVertWriting());
+}
+
+void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray,
+ CFX_ArrayTemplate<uint32_t>& result,
+ int nElements) {
+ int width_status = 0;
+ int iCurElement = 0;
+ int first_code = 0;
+ int last_code = 0;
+ for (size_t i = 0; i < pArray->GetCount(); i++) {
+ CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
+ if (!pObj)
+ continue;
+
+ if (CPDF_Array* pObjArray = pObj->AsArray()) {
+ if (width_status != 1)
+ return;
+
+ for (size_t j = 0; j < pObjArray->GetCount(); j += nElements) {
+ result.Add(first_code);
+ result.Add(first_code);
+ for (int k = 0; k < nElements; k++)
+ result.Add(pObjArray->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) {
+ return (ch < 128 ? ch : ch - 255) * (1.0f / 127);
+}
+
+void CPDF_CIDFont::LoadGB2312() {
+ m_BaseFont = m_pFontDict->GetStringFor("BaseFont");
+ CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor");
+ if (pFontDesc)
+ LoadFontDescriptor(pFontDesc);
+
+ m_Charset = CIDSET_GB1;
+ m_bType1 = false;
+ CPDF_CMapManager& manager = GetFontGlobals()->m_CMapManager;
+ m_pCMap = manager.GetPredefinedCMap("GBK-EUC-H", false);
+ m_pCID2UnicodeMap = manager.GetCID2UnicodeMap(m_Charset, false);
+ if (!IsEmbedded())
+ LoadSubstFont();
+
+ CheckFontMetrics();
+ m_DefaultWidth = 1000;
+ m_bAnsiWidthsFixed = true;
+}
+
+const uint8_t* CPDF_CIDFont::GetCIDTransform(uint16_t CID) const {
+ if (m_Charset != CIDSET_JAPAN1 || m_pFontFile)
+ return nullptr;
+
+ const auto* pEnd = g_Japan1_VertCIDs + FX_ArraySize(g_Japan1_VertCIDs);
+ const auto* pTransform = std::lower_bound(
+ g_Japan1_VertCIDs, pEnd, CID,
+ [](const CIDTransform& entry, uint16_t cid) { return entry.cid < cid; });
+ return (pTransform < pEnd && CID == pTransform->cid) ? &pTransform->a
+ : nullptr;
+}
diff --git a/core/fpdfapi/font/cpdf_cidfont.h b/core/fpdfapi/font/cpdf_cidfont.h
new file mode 100644
index 0000000000..0a6b3e7871
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_cidfont.h
@@ -0,0 +1,91 @@
+// 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_FONT_CPDF_CIDFONT_H_
+#define CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_
+
+#include <memory>
+
+#include "core/fpdfapi/font/cpdf_font.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/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(uint32_t charcode, bool* pVertGlyph) override;
+ int GetCharWidthF(uint32_t charcode) override;
+ FX_RECT GetCharBBox(uint32_t charcode) override;
+ uint32_t 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, uint32_t charcode) const override;
+ int GetCharSize(uint32_t charcode) const override;
+ bool IsVertWriting() const override;
+ bool IsUnicodeCompatible() const override;
+ bool Load() override;
+ CFX_WideString UnicodeFromCharCode(uint32_t charcode) const override;
+ uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const override;
+
+ uint16_t CIDFromCharCode(uint32_t 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;
+
+ protected:
+ void LoadGB2312();
+ int GetGlyphIndex(uint32_t unicodeb, bool* pVertGlyph);
+ int GetVerticalGlyph(int index, bool* pVertGlyph);
+ void LoadMetricsArray(CPDF_Array* pArray,
+ CFX_ArrayTemplate<uint32_t>& result,
+ int nElements);
+ void LoadSubstFont();
+ FX_WCHAR GetUnicodeFromCharCode(uint32_t charcode) const;
+
+ CPDF_CMap* m_pCMap;
+ std::unique_ptr<CPDF_CMap> m_pAllocatedCMap;
+ CPDF_CID2UnicodeMap* m_pCID2UnicodeMap;
+ CIDSet m_Charset;
+ bool m_bType1;
+ bool m_bCIDIsGID;
+ uint16_t m_DefaultWidth;
+ std::unique_ptr<CPDF_StreamAcc> m_pStreamAcc;
+ bool m_bAnsiWidthsFixed;
+ FX_RECT m_CharBBox[256];
+ CFX_ArrayTemplate<uint32_t> m_WidthList;
+ short m_DefaultVY;
+ short m_DefaultW1;
+ CFX_ArrayTemplate<uint32_t> m_VertMetrics;
+ bool m_bAdobeCourierStd;
+ std::unique_ptr<CFX_CTTGSUBTable> m_pTTGSUBTable;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_
diff --git a/core/fpdfapi/font/cpdf_font.cpp b/core/fpdfapi/font/cpdf_font.cpp
new file mode 100644
index 0000000000..945681fc9d
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_font.cpp
@@ -0,0 +1,476 @@
+// 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/font/cpdf_font.h"
+
+#include <memory>
+#include <vector>
+
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/font/cpdf_fontencoding.h"
+#include "core/fpdfapi/font/cpdf_truetypefont.h"
+#include "core/fpdfapi/font/cpdf_type1font.h"
+#include "core/fpdfapi/font/cpdf_type3font.h"
+#include "core/fpdfapi/font/font_int.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_name.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h"
+#include "core/fxcrt/fx_memory.h"
+#include "core/fxge/fx_freetype.h"
+#include "third_party/base/ptr_util.h"
+#include "third_party/base/stl_util.h"
+
+namespace {
+
+const uint8_t kChineseFontNames[][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}};
+
+void GetPredefinedEncoding(const CFX_ByteString& value, int* basemap) {
+ 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;
+}
+
+} // namespace
+
+CPDF_Font::CPDF_Font()
+ : m_pFontFile(nullptr),
+ m_pFontDict(nullptr),
+ m_bToUnicodeLoaded(false),
+ m_Flags(0),
+ m_StemV(0),
+ m_Ascent(0),
+ m_Descent(0),
+ m_ItalicAngle(0) {}
+
+CPDF_Font::~CPDF_Font() {
+ if (m_pFontFile) {
+ m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
+ 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;
+}
+
+bool CPDF_Font::IsUnicodeCompatible() const {
+ return false;
+}
+
+int CPDF_Font::CountChar(const FX_CHAR* pString, int size) const {
+ return size;
+}
+
+int CPDF_Font::GetCharSize(uint32_t charcode) const {
+ return 1;
+}
+
+int CPDF_Font::GlyphFromCharCodeExt(uint32_t charcode) {
+ return GlyphFromCharCode(charcode, nullptr);
+}
+
+bool CPDF_Font::IsVertWriting() const {
+ const CPDF_CIDFont* pCIDFont = AsCIDFont();
+ return pCIDFont ? pCIDFont->IsVertWriting() : m_Font.IsVertical();
+}
+
+int CPDF_Font::AppendChar(FX_CHAR* buf, uint32_t charcode) const {
+ *buf = static_cast<FX_CHAR>(charcode);
+ return 1;
+}
+
+void CPDF_Font::AppendChar(CFX_ByteString& str, uint32_t 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(uint32_t charcode) const {
+ if (!m_bToUnicodeLoaded)
+ LoadUnicodeMap();
+
+ return m_pToUnicodeMap ? m_pToUnicodeMap->Lookup(charcode) : CFX_WideString();
+}
+
+uint32_t CPDF_Font::CharCodeFromUnicode(FX_WCHAR unicode) const {
+ if (!m_bToUnicodeLoaded)
+ LoadUnicodeMap();
+
+ return m_pToUnicodeMap ? m_pToUnicodeMap->ReverseLookup(unicode) : 0;
+}
+
+void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) {
+ m_Flags = pFontDesc->GetIntegerFor("Flags", PDFFONT_NONSYMBOLIC);
+ int ItalicAngle = 0;
+ FX_BOOL bExistItalicAngle = FALSE;
+ if (pFontDesc->KeyExist("ItalicAngle")) {
+ ItalicAngle = pFontDesc->GetIntegerFor("ItalicAngle");
+ bExistItalicAngle = TRUE;
+ }
+ if (ItalicAngle < 0) {
+ m_Flags |= PDFFONT_ITALIC;
+ m_ItalicAngle = ItalicAngle;
+ }
+ FX_BOOL bExistStemV = FALSE;
+ if (pFontDesc->KeyExist("StemV")) {
+ m_StemV = pFontDesc->GetIntegerFor("StemV");
+ bExistStemV = TRUE;
+ }
+ FX_BOOL bExistAscent = FALSE;
+ if (pFontDesc->KeyExist("Ascent")) {
+ m_Ascent = pFontDesc->GetIntegerFor("Ascent");
+ bExistAscent = TRUE;
+ }
+ FX_BOOL bExistDescent = FALSE;
+ if (pFontDesc->KeyExist("Descent")) {
+ m_Descent = pFontDesc->GetIntegerFor("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->GetArrayFor("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->GetStreamFor("FontFile");
+ if (!pFontFile)
+ pFontFile = pFontDesc->GetStreamFor("FontFile2");
+ if (!pFontFile)
+ pFontFile = pFontDesc->GetStreamFor("FontFile3");
+ if (!pFontFile)
+ return;
+
+ m_pFontFile = m_pDocument->LoadFontFile(pFontFile);
+ if (!m_pFontFile)
+ return;
+
+ const uint8_t* pFontData = m_pFontFile->GetData();
+ uint32_t dwFontSize = m_pFontFile->GetSize();
+ if (!m_Font.LoadEmbedded(pFontData, dwFontSize)) {
+ m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
+ 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() const {
+ m_bToUnicodeLoaded = true;
+ CPDF_Stream* pStream = m_pFontDict->GetStreamFor("ToUnicode");
+ if (!pStream) {
+ return;
+ }
+ m_pToUnicodeMap.reset(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) {
+ uint32_t 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(pDoc->GetByteStringPool());
+ pDict->SetNameFor("Type", "Font");
+ pDict->SetNameFor("Subtype", "Type1");
+ pDict->SetNameFor("BaseFont", fontname);
+ pDict->SetNameFor("Encoding", "WinAnsiEncoding");
+ return pFontGlobals->Set(pDoc, font_id, CPDF_Font::Create(nullptr, pDict));
+}
+
+std::unique_ptr<CPDF_Font> CPDF_Font::Create(CPDF_Document* pDoc,
+ CPDF_Dictionary* pFontDict) {
+ CFX_ByteString type = pFontDict->GetStringFor("Subtype");
+ std::unique_ptr<CPDF_Font> pFont;
+ if (type == "TrueType") {
+ CFX_ByteString tag = pFontDict->GetStringFor("BaseFont").Left(4);
+ for (size_t i = 0; i < FX_ArraySize(kChineseFontNames); ++i) {
+ if (tag == CFX_ByteString(kChineseFontNames[i], 4)) {
+ CPDF_Dictionary* pFontDesc = pFontDict->GetDictFor("FontDescriptor");
+ if (!pFontDesc || !pFontDesc->KeyExist("FontFile2"))
+ pFont.reset(new CPDF_CIDFont);
+ break;
+ }
+ }
+ if (!pFont)
+ pFont.reset(new CPDF_TrueTypeFont);
+ } else if (type == "Type3") {
+ pFont.reset(new CPDF_Type3Font);
+ } else if (type == "Type0") {
+ pFont.reset(new CPDF_CIDFont);
+ } else {
+ pFont.reset(new CPDF_Type1Font);
+ }
+ pFont->m_pFontDict = pFontDict;
+ pFont->m_pDocument = pDoc;
+ pFont->m_BaseFont = pFontDict->GetStringFor("BaseFont");
+ return pFont->Load() ? std::move(pFont) : std::unique_ptr<CPDF_Font>();
+}
+
+uint32_t 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<uint32_t>(ch);
+}
+
+void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding,
+ int& iBaseEncoding,
+ std::vector<CFX_ByteString>* pCharNames,
+ bool bEmbedded,
+ 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(bsEncoding, &iBaseEncoding);
+ return;
+ }
+
+ CPDF_Dictionary* pDict = pEncoding->AsDictionary();
+ if (!pDict)
+ return;
+
+ if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
+ iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) {
+ CFX_ByteString bsEncoding = pDict->GetStringFor("BaseEncoding");
+ if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) {
+ bsEncoding = "WinAnsiEncoding";
+ }
+ GetPredefinedEncoding(bsEncoding, &iBaseEncoding);
+ }
+ if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN)
+ iBaseEncoding = PDFFONT_ENCODING_STANDARD;
+
+ CPDF_Array* pDiffs = pDict->GetArrayFor("Differences");
+ if (!pDiffs)
+ return;
+
+ pCharNames->resize(256);
+ uint32_t cur_code = 0;
+ for (uint32_t i = 0; i < pDiffs->GetCount(); i++) {
+ CPDF_Object* pElement = pDiffs->GetDirectObjectAt(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();
+ }
+ }
+}
+
+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 std::vector<CFX_ByteString>& charnames,
+ int charcode) {
+ if (charcode < 0 || charcode >= 256) {
+ ASSERT(false);
+ return nullptr;
+ }
+
+ if (!charnames.empty() && !charnames[charcode].IsEmpty())
+ return charnames[charcode].c_str();
+
+ const FX_CHAR* name = nullptr;
+ if (iBaseEncoding)
+ name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode);
+ return name && name[0] ? name : nullptr;
+}
+
+uint32_t CPDF_Font::FallbackFontFromCharcode(uint32_t charcode) {
+ if (m_FontFallbacks.empty()) {
+ m_FontFallbacks.push_back(pdfium::MakeUnique<CFX_Font>());
+ m_FontFallbacks[0]->LoadSubst("Arial", IsTrueTypeFont(), m_Flags,
+ m_StemV * 5, m_ItalicAngle, 0,
+ IsVertWriting());
+ }
+ return 0;
+}
+
+int CPDF_Font::FallbackGlyphFromCharcode(int fallbackFont, uint32_t charcode) {
+ if (fallbackFont < 0 ||
+ fallbackFont >= pdfium::CollectionSize<int>(m_FontFallbacks)) {
+ return -1;
+ }
+ int glyph =
+ FXFT_Get_Char_Index(m_FontFallbacks[fallbackFont]->GetFace(), charcode);
+ if (glyph == 0 || glyph == 0xffff)
+ return -1;
+ return glyph;
+}
diff --git a/core/fpdfapi/font/cpdf_font.h b/core/fpdfapi/font/cpdf_font.h
new file mode 100644
index 0000000000..244ab72158
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_font.h
@@ -0,0 +1,132 @@
+// 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_FONT_CPDF_FONT_H_
+#define CORE_FPDFAPI_FONT_CPDF_FONT_H_
+
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/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 std::unique_ptr<CPDF_Font> Create(CPDF_Document* pDoc,
+ CPDF_Dictionary* pFontDict);
+ static CPDF_Font* GetStockFont(CPDF_Document* pDoc,
+ const CFX_ByteStringC& fontname);
+ static const uint32_t kInvalidCharCode = static_cast<uint32_t>(-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 bool IsVertWriting() const;
+ virtual bool IsUnicodeCompatible() const;
+ virtual uint32_t 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, uint32_t charcode) const;
+ virtual int GetCharSize(uint32_t charcode) const;
+ virtual int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) = 0;
+ virtual int GlyphFromCharCodeExt(uint32_t charcode);
+ virtual CFX_WideString UnicodeFromCharCode(uint32_t charcode) const;
+ virtual uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const;
+
+ const CFX_ByteString& GetBaseFont() const { return m_BaseFont; }
+ CFX_SubstFont* GetSubstFont() const { return m_Font.GetSubstFont(); }
+ uint32_t GetFlags() const { return m_Flags; }
+ bool IsEmbedded() const { return IsType3Font() || m_pFontFile != nullptr; }
+ CPDF_StreamAcc* GetFontFile() const { return m_pFontFile; }
+ CPDF_Dictionary* GetFontDict() const { return m_pFontDict; }
+ bool IsStandardFont() const;
+ FXFT_Face GetFace() const { return m_Font.GetFace(); }
+ void AppendChar(CFX_ByteString& str, uint32_t 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);
+ uint32_t FallbackFontFromCharcode(uint32_t charcode);
+ int FallbackGlyphFromCharcode(int fallbackFont, uint32_t charcode);
+
+ virtual int GetCharWidthF(uint32_t charcode) = 0;
+ virtual FX_RECT GetCharBBox(uint32_t charcode) = 0;
+
+ CPDF_Document* m_pDocument;
+ CFX_Font m_Font;
+ std::vector<std::unique_ptr<CFX_Font>> m_FontFallbacks;
+
+ protected:
+ CPDF_Font();
+
+ virtual bool Load() = 0;
+
+ void LoadUnicodeMap() const; // logically const only.
+ void LoadPDFEncoding(CPDF_Object* pEncoding,
+ int& iBaseEncoding,
+ std::vector<CFX_ByteString>* pCharNames,
+ bool bEmbedded,
+ bool bTrueType);
+ void LoadFontDescriptor(CPDF_Dictionary* pDict);
+ void CheckFontMetrics();
+
+ const FX_CHAR* GetAdobeCharName(int iBaseEncoding,
+ const std::vector<CFX_ByteString>& charnames,
+ int charcode);
+
+ CFX_ByteString m_BaseFont;
+ CPDF_StreamAcc* m_pFontFile;
+ CPDF_Dictionary* m_pFontDict;
+ mutable std::unique_ptr<CPDF_ToUnicodeMap> m_pToUnicodeMap;
+ mutable 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_FONT_CPDF_FONT_H_
diff --git a/core/fpdfapi/font/cpdf_fontencoding.cpp b/core/fpdfapi/font/cpdf_fontencoding.cpp
new file mode 100644
index 0000000000..f6c5186a63
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_fontencoding.cpp
@@ -0,0 +1,1818 @@
+// 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/font/cpdf_fontencoding.h"
+
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_name.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_number.h"
+#include "core/fpdfapi/fpdf_parser/fpdf_parser_decode.h"
+#include "core/fxge/fx_freetype.h"
+
+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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x0022, 0x0023,
+ 0x0024, 0x0025, 0x0026, 0x2019, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
+ 0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+ 0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+ 0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+ 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+ 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059,
+ 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x2018, 0x0061, 0x0062,
+ 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, 0x006b,
+ 0x006c, 0x006d, 0x006e, 0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074,
+ 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d,
+ 0x007e, 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, 0x0000, 0x0000, 0x00a1,
+ 0x00a2, 0x00a3, 0x2044, 0x00a5, 0x0192, 0x00a7, 0x00a4, 0x0027, 0x201c,
+ 0x00ab, 0x2039, 0x203a, 0xfb01, 0xfb02, 0x0000, 0x2013, 0x2020, 0x2021,
+ 0x00b7, 0x0000, 0x00b6, 0x2022, 0x201a, 0x201e, 0x201d, 0x00bb, 0x2026,
+ 0x2030, 0x0000, 0x00bf, 0x0000, 0x0060, 0x00b4, 0x02c6, 0x02dc, 0x00af,
+ 0x02d8, 0x02d9, 0x00a8, 0x0000, 0x02da, 0x00b8, 0x0000, 0x02dd, 0x02db,
+ 0x02c7, 0x2014, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x00c6, 0x0000, 0x00aa, 0x0000, 0x0000, 0x0000, 0x0000, 0x0141, 0x00d8,
+ 0x0152, 0x00ba, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00e6, 0x0000,
+ 0x0000, 0x0000, 0x0131, 0x0000, 0x0000, 0x0142, 0x00f8, 0x0153, 0x00df,
+ 0x0000, 0x0000, 0x0000, 0x0000};
+
+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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x0022, 0x0023,
+ 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
+ 0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+ 0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+ 0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+ 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+ 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059,
+ 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0060, 0x0061, 0x0062,
+ 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, 0x006b,
+ 0x006c, 0x006d, 0x006e, 0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074,
+ 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d,
+ 0x007e, 0x0000, 0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc,
+ 0x00e1, 0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
+ 0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3, 0x00f2,
+ 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc, 0x2020, 0x00b0,
+ 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df, 0x00ae, 0x00a9, 0x2122,
+ 0x00b4, 0x00a8, 0x0000, 0x00c6, 0x00d8, 0x0000, 0x00b1, 0x0000, 0x0000,
+ 0x00a5, 0x00b5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00aa, 0x00ba,
+ 0x0000, 0x00e6, 0x00f8, 0x00bf, 0x00a3, 0x00ac, 0x0000, 0x0192, 0x0000,
+ 0x0000, 0x00ab, 0x00bb, 0x2026, 0x0020, 0x00c0, 0x00c3, 0x00d5, 0x0152,
+ 0x0153, 0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x0000,
+ 0x00ff, 0x0178, 0x2044, 0x00a4, 0x2039, 0x203a, 0xfb01, 0xfb02, 0x2021,
+ 0x00b7, 0x201a, 0x201e, 0x2030, 0x00c2, 0x00ca, 0x00c1, 0x00cb, 0x00c8,
+ 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4, 0x0000, 0x00d2, 0x00da,
+ 0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc, 0x00af, 0x02d8, 0x02d9, 0x02da,
+ 0x00b8, 0x02dd, 0x02db, 0x02c7};
+
+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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x0022, 0x0023,
+ 0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
+ 0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+ 0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+ 0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+ 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+ 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059,
+ 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0060, 0x0061, 0x0062,
+ 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, 0x006b,
+ 0x006c, 0x006d, 0x006e, 0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074,
+ 0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d,
+ 0x007e, 0x2022, 0x20ac, 0x2022, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020,
+ 0x2021, 0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0x2022, 0x017d, 0x2022,
+ 0x2022, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, 0x02dc,
+ 0x2122, 0x0161, 0x203a, 0x0153, 0x2022, 0x017e, 0x0178, 0x0020, 0x00a1,
+ 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, 0x00a8, 0x00a9, 0x00aa,
+ 0x00ab, 0x00ac, 0x002d, 0x00ae, 0x00af, 0x00b0, 0x00b1, 0x00b2, 0x00b3,
+ 0x00b4, 0x00b5, 0x00b6, 0x00b7, 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc,
+ 0x00bd, 0x00be, 0x00bf, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5,
+ 0x00c6, 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
+ 0x00cf, 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
+ 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df, 0x00e0,
+ 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7, 0x00e8, 0x00e9,
+ 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, 0x00f0, 0x00f1, 0x00f2,
+ 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb,
+ 0x00fc, 0x00fd, 0x00fe, 0x00ff};
+
+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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0xf721, 0xf6f8, 0xf7a2,
+ 0xf724, 0xf6e4, 0xf726, 0xf7b4, 0x207d, 0x207e, 0x2025, 0x2024, 0x002c,
+ 0x002d, 0x002e, 0x2044, 0xf730, 0xf731, 0xf732, 0xf733, 0xf734, 0xf735,
+ 0xf736, 0xf737, 0xf738, 0xf739, 0x003a, 0x003b, 0x0000, 0xf6de, 0x0000,
+ 0xf73f, 0x0000, 0x0000, 0x0000, 0x0000, 0xf7f0, 0x0000, 0x0000, 0x00bc,
+ 0x00bd, 0x00be, 0x215b, 0x215c, 0x215d, 0x215e, 0x2153, 0x2154, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfb00, 0xfb01, 0xfb02, 0xfb03,
+ 0xfb04, 0x208d, 0x0000, 0x208e, 0xf6f6, 0xf6e5, 0xf760, 0xf761, 0xf762,
+ 0xf763, 0xf764, 0xf765, 0xf766, 0xf767, 0xf768, 0xf769, 0xf76a, 0xf76b,
+ 0xf76c, 0xf76d, 0xf76e, 0xf76f, 0xf770, 0xf771, 0xf772, 0xf773, 0xf774,
+ 0xf775, 0xf776, 0xf777, 0xf778, 0xf779, 0xf77a, 0x20a1, 0xf6dc, 0xf6dd,
+ 0xf6fe, 0x0000, 0x0000, 0xf6e9, 0xf6e0, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0xf7e1, 0xf7e0, 0xf7e2, 0xf7e4, 0xf7e3, 0xf7e5, 0xf7e7, 0xf7e9, 0xf7e8,
+ 0xf7ea, 0xf7eb, 0xf7ed, 0xf7ec, 0xf7ee, 0xf7ef, 0xf7f1, 0xf7f3, 0xf7f2,
+ 0xf7f4, 0xf7f6, 0xf7f5, 0xf7fa, 0xf7f9, 0xf7fb, 0xf7fc, 0x0000, 0x2078,
+ 0x2084, 0x2083, 0x2086, 0x2088, 0x2087, 0xf6fd, 0x0000, 0xf6df, 0x2082,
+ 0x0000, 0xf7a8, 0x0000, 0xf6f5, 0xf6fd, 0x2085, 0x0000, 0xf6e1, 0xf6e7,
+ 0xf7fd, 0x0000, 0xf6e3, 0x0000, 0x0000, 0xf7fe, 0x0000, 0x2089, 0x2080,
+ 0xf6ff, 0xf7e6, 0xf7f8, 0xf7bf, 0x2081, 0xf6e9, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0xf7b8, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0xf6fa, 0x2012, 0xf6e6, 0x0000, 0x0000, 0x0000, 0x0000, 0xf7a1, 0x0000,
+ 0xf7ff, 0x0000, 0x00b9, 0x00b2, 0x00b3, 0x2074, 0x2075, 0x2076, 0x2077,
+ 0x2079, 0x2070, 0x0000, 0xf6ec, 0xf6f1, 0x0000, 0x0000, 0x0000, 0xf6ed,
+ 0xf6f2, 0xf6eb, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xf6ee, 0xf6fb,
+ 0xf6f4, 0xf7af, 0xf6ea, 0x207f, 0xf6ef, 0xf6e2, 0xf6e8, 0xf6f7, 0xf6fc,
+ 0x0000, 0x0000, 0x0000, 0x0000};
+
+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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x2200, 0x0023,
+ 0x2203, 0x0025, 0x0026, 0x220B, 0x0028, 0x0029, 0x2217, 0x002B, 0x002C,
+ 0x2212, 0x002E, 0x002F, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+ 0x0036, 0x0037, 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E,
+ 0x003F, 0x2245, 0x0391, 0x0392, 0x03A7, 0x0394, 0x0395, 0x03A6, 0x0393,
+ 0x0397, 0x0399, 0x03D1, 0x039A, 0x039B, 0x039C, 0x039D, 0x039F, 0x03A0,
+ 0x0398, 0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03C2, 0x03A9, 0x039E, 0x03A8,
+ 0x0396, 0x005B, 0x2234, 0x005D, 0x22A5, 0x005F, 0xF8E5, 0x03B1, 0x03B2,
+ 0x03C7, 0x03B4, 0x03B5, 0x03C6, 0x03B3, 0x03B7, 0x03B9, 0x03D5, 0x03BA,
+ 0x03BB, 0x03BC, 0x03BD, 0x03BF, 0x03C0, 0x03B8, 0x03C1, 0x03C3, 0x03C4,
+ 0x03C5, 0x03D6, 0x03C9, 0x03BE, 0x03C8, 0x03B6, 0x007B, 0x007C, 0x007D,
+ 0x223C, 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, 0x0000, 0x20AC, 0x03D2,
+ 0x2032, 0x2264, 0x2044, 0x221E, 0x0192, 0x2663, 0x2666, 0x2665, 0x2660,
+ 0x2194, 0x2190, 0x2191, 0x2192, 0x2193, 0x00B0, 0x00B1, 0x2033, 0x2265,
+ 0x00D7, 0x221D, 0x2202, 0x2022, 0x00F7, 0x2260, 0x2261, 0x2248, 0x2026,
+ 0xF8E6, 0xF8E7, 0x21B5, 0x2135, 0x2111, 0x211C, 0x2118, 0x2297, 0x2295,
+ 0x2205, 0x2229, 0x222A, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208,
+ 0x2209, 0x2220, 0x2207, 0xF6DA, 0xF6D9, 0xF6DB, 0x220F, 0x221A, 0x22C5,
+ 0x00AC, 0x2227, 0x2228, 0x21D4, 0x21D0, 0x21D1, 0x21D2, 0x21D3, 0x25CA,
+ 0x2329, 0xF8E8, 0xF8E9, 0xF8EA, 0x2211, 0xF8EB, 0xF8EC, 0xF8ED, 0xF8EE,
+ 0xF8EF, 0xF8F0, 0xF8F1, 0xF8F2, 0xF8F3, 0xF8F4, 0x0000, 0x232A, 0x222B,
+ 0x2320, 0xF8F5, 0x2321, 0xF8F6, 0xF8F7, 0xF8F8, 0xF8F9, 0xF8FA, 0xF8FB,
+ 0xF8FC, 0xF8FD, 0xF8FE, 0x0000,
+};
+
+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,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x2701, 0x2702, 0x2703,
+ 0x2704, 0x260E, 0x2706, 0x2707, 0x2708, 0x2709, 0x261B, 0x261E, 0x270C,
+ 0x270D, 0x270E, 0x270F, 0x2710, 0x2711, 0x2712, 0x2713, 0x2714, 0x2715,
+ 0x2716, 0x2717, 0x2718, 0x2719, 0x271A, 0x271B, 0x271C, 0x271D, 0x271E,
+ 0x271F, 0x2720, 0x2721, 0x2722, 0x2723, 0x2724, 0x2725, 0x2726, 0x2727,
+ 0x2605, 0x2729, 0x272A, 0x272B, 0x272C, 0x272D, 0x272E, 0x272F, 0x2730,
+ 0x2731, 0x2732, 0x2733, 0x2734, 0x2735, 0x2736, 0x2737, 0x2738, 0x2739,
+ 0x273A, 0x273B, 0x273C, 0x273D, 0x273E, 0x273F, 0x2740, 0x2741, 0x2742,
+ 0x2743, 0x2744, 0x2745, 0x2746, 0x2747, 0x2748, 0x2749, 0x274A, 0x274B,
+ 0x25CF, 0x274D, 0x25A0, 0x274F, 0x2750, 0x2751, 0x2752, 0x25B2, 0x25BC,
+ 0x25C6, 0x2756, 0x25D7, 0x2758, 0x2759, 0x275A, 0x275B, 0x275C, 0x275D,
+ 0x275E, 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, 0x0000, 0x0000, 0x2761,
+ 0x2762, 0x2763, 0x2764, 0x2765, 0x2766, 0x2767, 0x2663, 0x2666, 0x2665,
+ 0x2660, 0x2460, 0x2461, 0x2462, 0x2463, 0x2464, 0x2465, 0x2466, 0x2467,
+ 0x2468, 0x2469, 0x2776, 0x2777, 0x2778, 0x2779, 0x277A, 0x277B, 0x277C,
+ 0x277D, 0x277E, 0x277F, 0x2780, 0x2781, 0x2782, 0x2783, 0x2784, 0x2785,
+ 0x2786, 0x2787, 0x2788, 0x2789, 0x278A, 0x278B, 0x278C, 0x278D, 0x278E,
+ 0x278F, 0x2790, 0x2791, 0x2792, 0x2793, 0x2794, 0x2192, 0x2194, 0x2195,
+ 0x2798, 0x2799, 0x279A, 0x279B, 0x279C, 0x279D, 0x279E, 0x279F, 0x27A0,
+ 0x27A1, 0x27A2, 0x27A3, 0x27A4, 0x27A5, 0x27A6, 0x27A7, 0x27A8, 0x27A9,
+ 0x27AA, 0x27AB, 0x27AC, 0x27AD, 0x27AE, 0x27AF, 0x0000, 0x27B1, 0x27B2,
+ 0x27B3, 0x27B4, 0x27B5, 0x27B6, 0x27B7, 0x27B8, 0x27B9, 0x27BA, 0x27BB,
+ 0x27BC, 0x27BD, 0x27BE, 0x0000,
+};
+
+const FX_CHAR* const StandardEncodingNames[224] = {
+ "space",
+ "exclam",
+ "quotedbl",
+ "numbersign",
+ "dollar",
+ "percent",
+ "ampersand",
+ "quoteright",
+ "parenleft",
+ "parenright",
+ "asterisk",
+ "plus",
+ "comma",
+ "hyphen",
+ "period",
+ "slash",
+ "zero",
+ "one",
+ "two",
+ "three",
+ "four",
+ "five",
+ "six",
+ "seven",
+ "eight",
+ "nine",
+ "colon",
+ "semicolon",
+ "less",
+ "equal",
+ "greater",
+ "question",
+ "at",
+ "A",
+ "B",
+ "C",
+ "D",
+ "E",
+ "F",
+ "G",
+ "H",
+ "I",
+ "J",
+ "K",
+ "L",
+ "M",
+ "N",
+ "O",
+ "P",
+ "Q",
+ "R",
+ "S",
+ "T",
+ "U",
+ "V",
+ "W",
+ "X",
+ "Y",
+ "Z",
+ "bracketleft",
+ "backslash",
+ "bracketright",
+ "asciicircum",
+ "underscore",
+ "quoteleft",
+ "a",
+ "b",
+ "c",
+ "d",
+ "e",
+ "f",
+ "g",
+ "h",
+ "i",
+ "j",
+ "k",
+ "l",
+ "m",
+ "n",
+ "o",
+ "p",
+ "q",
+ "r",
+ "s",
+ "t",
+ "u",
+ "v",
+ "w",
+ "x",
+ "y",
+ "z",
+ "braceleft",
+ "bar",
+ "braceright",
+ "asciitilde",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "exclamdown",
+ "cent",
+ "sterling",
+ "fraction",
+ "yen",
+ "florin",
+ "section",
+ "currency",
+ "quotesingle",
+ "quotedblleft",
+ "guillemotleft",
+ "guilsinglleft",
+ "guilsinglright",
+ "fi",
+ "fl",
+ nullptr,
+ "endash",
+ "dagger",
+ "daggerdbl",
+ "periodcentered",
+ nullptr,
+ "paragraph",
+ "bullet",
+ "quotesinglbase",
+ "quotedblbase",
+ "quotedblright",
+ "guillemotright",
+ "ellipsis",
+ "perthousand",
+ nullptr,
+ "questiondown",
+ nullptr,
+ "grave",
+ "acute",
+ "circumflex",
+ "tilde",
+ "macron",
+ "breve",
+ "dotaccent",
+ "dieresis",
+ nullptr,
+ "ring",
+ "cedilla",
+ nullptr,
+ "hungarumlaut",
+ "ogonek",
+ "caron",
+ "emdash",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "AE",
+ nullptr,
+ "ordfeminine",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "Lslash",
+ "Oslash",
+ "OE",
+ "ordmasculine",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "ae",
+ nullptr,
+ nullptr,
+ nullptr,
+ "dotlessi",
+ nullptr,
+ nullptr,
+ "lslash",
+ "oslash",
+ "oe",
+ "germandbls",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+};
+
+const FX_CHAR* const AdobeWinAnsiEncodingNames[224] = {
+ "space",
+ "exclam",
+ "quotedbl",
+ "numbersign",
+ "dollar",
+ "percent",
+ "ampersand",
+ "quotesingle",
+ "parenleft",
+ "parenright",
+ "asterisk",
+ "plus",
+ "comma",
+ "hyphen",
+ "period",
+ "slash",
+ "zero",
+ "one",
+ "two",
+ "three",
+ "four",
+ "five",
+ "six",
+ "seven",
+ "eight",
+ "nine",
+ "colon",
+ "semicolon",
+ "less",
+ "equal",
+ "greater",
+ "question",
+ "at",
+ "A",
+ "B",
+ "C",
+ "D",
+ "E",
+ "F",
+ "G",
+ "H",
+ "I",
+ "J",
+ "K",
+ "L",
+ "M",
+ "N",
+ "O",
+ "P",
+ "Q",
+ "R",
+ "S",
+ "T",
+ "U",
+ "V",
+ "W",
+ "X",
+ "Y",
+ "Z",
+ "bracketleft",
+ "backslash",
+ "bracketright",
+ "asciicircum",
+ "underscore",
+ "grave",
+ "a",
+ "b",
+ "c",
+ "d",
+ "e",
+ "f",
+ "g",
+ "h",
+ "i",
+ "j",
+ "k",
+ "l",
+ "m",
+ "n",
+ "o",
+ "p",
+ "q",
+ "r",
+ "s",
+ "t",
+ "u",
+ "v",
+ "w",
+ "x",
+ "y",
+ "z",
+ "braceleft",
+ "bar",
+ "braceright",
+ "asciitilde",
+ "bullet",
+ "Euro",
+ "bullet",
+ "quotesinglbase",
+ "florin",
+ "quotedblbase",
+ "ellipsis",
+ "dagger",
+ "daggerdbl",
+ "circumflex",
+ "perthousand",
+ "Scaron",
+ "guilsinglleft",
+ "OE",
+ "bullet",
+ "Zcaron",
+ "bullet",
+ "bullet",
+ "quoteleft",
+ "quoteright",
+ "quotedblleft",
+ "quotedblright",
+ "bullet",
+ "endash",
+ "emdash",
+ "tilde",
+ "trademark",
+ "scaron",
+ "guilsinglright",
+ "oe",
+ "bullet",
+ "zcaron",
+ "Ydieresis",
+ "space",
+ "exclamdown",
+ "cent",
+ "sterling",
+ "currency",
+ "yen",
+ "brokenbar",
+ "section",
+ "dieresis",
+ "copyright",
+ "ordfeminine",
+ "guillemotleft",
+ "logicalnot",
+ "hyphen",
+ "registered",
+ "macron",
+ "degree",
+ "plusminus",
+ "twosuperior",
+ "threesuperior",
+ "acute",
+ "mu",
+ "paragraph",
+ "periodcentered",
+ "cedilla",
+ "onesuperior",
+ "ordmasculine",
+ "guillemotright",
+ "onequarter",
+ "onehalf",
+ "threequarters",
+ "questiondown",
+ "Agrave",
+ "Aacute",
+ "Acircumflex",
+ "Atilde",
+ "Adieresis",
+ "Aring",
+ "AE",
+ "Ccedilla",
+ "Egrave",
+ "Eacute",
+ "Ecircumflex",
+ "Edieresis",
+ "Igrave",
+ "Iacute",
+ "Icircumflex",
+ "Idieresis",
+ "Eth",
+ "Ntilde",
+ "Ograve",
+ "Oacute",
+ "Ocircumflex",
+ "Otilde",
+ "Odieresis",
+ "multiply",
+ "Oslash",
+ "Ugrave",
+ "Uacute",
+ "Ucircumflex",
+ "Udieresis",
+ "Yacute",
+ "Thorn",
+ "germandbls",
+ "agrave",
+ "aacute",
+ "acircumflex",
+ "atilde",
+ "adieresis",
+ "aring",
+ "ae",
+ "ccedilla",
+ "egrave",
+ "eacute",
+ "ecircumflex",
+ "edieresis",
+ "igrave",
+ "iacute",
+ "icircumflex",
+ "idieresis",
+ "eth",
+ "ntilde",
+ "ograve",
+ "oacute",
+ "ocircumflex",
+ "otilde",
+ "odieresis",
+ "divide",
+ "oslash",
+ "ugrave",
+ "uacute",
+ "ucircumflex",
+ "udieresis",
+ "yacute",
+ "thorn",
+ "ydieresis",
+};
+
+const FX_CHAR* const MacRomanEncodingNames[224] = {
+ "space",
+ "exclam",
+ "quotedbl",
+ "numbersign",
+ "dollar",
+ "percent",
+ "ampersand",
+ "quotesingle",
+ "parenleft",
+ "parenright",
+ "asterisk",
+ "plus",
+ "comma",
+ "hyphen",
+ "period",
+ "slash",
+ "zero",
+ "one",
+ "two",
+ "three",
+ "four",
+ "five",
+ "six",
+ "seven",
+ "eight",
+ "nine",
+ "colon",
+ "semicolon",
+ "less",
+ "equal",
+ "greater",
+ "question",
+ "at",
+ "A",
+ "B",
+ "C",
+ "D",
+ "E",
+ "F",
+ "G",
+ "H",
+ "I",
+ "J",
+ "K",
+ "L",
+ "M",
+ "N",
+ "O",
+ "P",
+ "Q",
+ "R",
+ "S",
+ "T",
+ "U",
+ "V",
+ "W",
+ "X",
+ "Y",
+ "Z",
+ "bracketleft",
+ "backslash",
+ "bracketright",
+ "asciicircum",
+ "underscore",
+ "grave",
+ "a",
+ "b",
+ "c",
+ "d",
+ "e",
+ "f",
+ "g",
+ "h",
+ "i",
+ "j",
+ "k",
+ "l",
+ "m",
+ "n",
+ "o",
+ "p",
+ "q",
+ "r",
+ "s",
+ "t",
+ "u",
+ "v",
+ "w",
+ "x",
+ "y",
+ "z",
+ "braceleft",
+ "bar",
+ "braceright",
+ "asciitilde",
+ nullptr,
+ "Adieresis",
+ "Aring",
+ "Ccedilla",
+ "Eacute",
+ "Ntilde",
+ "Odieresis",
+ "Udieresis",
+ "aacute",
+ "agrave",
+ "acircumflex",
+ "adieresis",
+ "atilde",
+ "aring",
+ "ccedilla",
+ "eacute",
+ "egrave",
+ "ecircumflex",
+ "edieresis",
+ "iacute",
+ "igrave",
+ "icircumflex",
+ "idieresis",
+ "ntilde",
+ "oacute",
+ "ograve",
+ "ocircumflex",
+ "odieresis",
+ "otilde",
+ "uacute",
+ "ugrave",
+ "ucircumflex",
+ "udieresis",
+ "dagger",
+ "degree",
+ "cent",
+ "sterling",
+ "section",
+ "bullet",
+ "paragraph",
+ "germandbls",
+ "registered",
+ "copyright",
+ "trademark",
+ "acute",
+ "dieresis",
+ "notequal",
+ "AE",
+ "Oslash",
+ "infinity",
+ "plusminus",
+ "lessequal",
+ "greaterequal",
+ "yen",
+ "mu",
+ "partialdiff",
+ "summation",
+ "product",
+ "pi",
+ "integral",
+ "ordfeminine",
+ "ordmasculine",
+ "Omega",
+ "ae",
+ "oslash",
+ "questiondown",
+ "exclamdown",
+ "logicalnot",
+ "radical",
+ "florin",
+ "approxequal",
+ "Delta",
+ "guillemotleft",
+ "guillemotright",
+ "ellipsis",
+ "space",
+ "Agrave",
+ "Atilde",
+ "Otilde",
+ "OE",
+ "oe",
+ "endash",
+ "emdash",
+ "quotedblleft",
+ "quotedblright",
+ "quoteleft",
+ "quoteright",
+ "divide",
+ "lozenge",
+ "ydieresis",
+ "Ydieresis",
+ "fraction",
+ "currency",
+ "guilsinglleft",
+ "guilsinglright",
+ "fi",
+ "fl",
+ "daggerdbl",
+ "periodcentered",
+ "quotesinglbase",
+ "quotedblbase",
+ "perthousand",
+ "Acircumflex",
+ "Ecircumflex",
+ "Aacute",
+ "Edieresis",
+ "Egrave",
+ "Iacute",
+ "Icircumflex",
+ "Idieresis",
+ "Igrave",
+ "Oacute",
+ "Ocircumflex",
+ "apple",
+ "Ograve",
+ "Uacute",
+ "Ucircumflex",
+ "Ugrave",
+ "dotlessi",
+ "circumflex",
+ "tilde",
+ "macron",
+ "breve",
+ "dotaccent",
+ "ring",
+ "cedilla",
+ "hungarumlaut",
+ "ogonek",
+ "caron",
+};
+
+const FX_CHAR* const MacExpertEncodingNames[224] = {
+ "space",
+ "exclamsmall",
+ "Hungarumlautsmall",
+ "centoldstyle",
+ "dollaroldstyle",
+ "dollarsuperior",
+ "ampersandsmall",
+ "Acutesmall",
+ "parenleftsuperior",
+ "parenrightsuperior",
+ "twodotenleader",
+ "onedotenleader",
+ "comma",
+ "hyphen",
+ "period",
+ "fraction",
+ "zerooldstyle",
+ "oneoldstyle",
+ "twooldstyle",
+ "threeoldstyle",
+ "fouroldstyle",
+ "fiveoldstyle",
+ "sixoldstyle",
+ "sevenoldstyle",
+ "eightoldstyle",
+ "nineoldstyle",
+ "colon",
+ "semicolon",
+ nullptr,
+ "threequartersemdash",
+ nullptr,
+ "questionsmall",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "Ethsmall",
+ nullptr,
+ nullptr,
+ "onequarter",
+ "onehalf",
+ "threequarters",
+ "oneeighth",
+ "threeeighths",
+ "fiveeighths",
+ "seveneighths",
+ "onethird",
+ "twothirds",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "ff",
+ "fi",
+ "fl",
+ "ffi",
+ "ffl",
+ "parenleftinferior",
+ nullptr,
+ "parenrightinferior",
+ "Circumflexsmall",
+ "hypheninferior",
+ "Gravesmall",
+ "Asmall",
+ "Bsmall",
+ "Csmall",
+ "Dsmall",
+ "Esmall",
+ "Fsmall",
+ "Gsmall",
+ "Hsmall",
+ "Ismall",
+ "Jsmall",
+ "Ksmall",
+ "Lsmall",
+ "Msmall",
+ "Nsmall",
+ "Osmall",
+ "Psmall",
+ "Qsmall",
+ "Rsmall",
+ "Ssmall",
+ "Tsmall",
+ "Usmall",
+ "Vsmall",
+ "Wsmall",
+ "Xsmall",
+ "Ysmall",
+ "Zsmall",
+ "colonmonetary",
+ "onefitted",
+ "rupiah",
+ "Tildesmall",
+ nullptr,
+ nullptr,
+ "asuperior",
+ "centsuperior",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "Aacutesmall",
+ "Agravesmall",
+ "Acircumflexsmall",
+ "Adieresissmall",
+ "Atildesmall",
+ "Aringsmall",
+ "Ccedillasmall",
+ "Eacutesmall",
+ "Egravesmall",
+ "Ecircumflexsmall",
+ "Edieresissmall",
+ "Iacutesmall",
+ "Igravesmall",
+ "Icircumflexsmall",
+ "Idieresissmall",
+ "Ntildesmall",
+ "Oacutesmall",
+ "Ogravesmall",
+ "Ocircumflexsmall",
+ "Odieresissmall",
+ "Otildesmall",
+ "Uacutesmall",
+ "Ugravesmall",
+ "Ucircumflexsmall",
+ "Udieresissmall",
+ nullptr,
+ "eightsuperior",
+ "fourinferior",
+ "threeinferior",
+ "sixinferior",
+ "eightinferior",
+ "seveninferior",
+ "Scaronsmall",
+ nullptr,
+ "centinferior",
+ "twoinferior",
+ nullptr,
+ "Dieresissmall",
+ nullptr,
+ "Caronsmall",
+ "Scaronsmall",
+ "fiveinferior",
+ nullptr,
+ "commainferior",
+ "periodinferior",
+ "Yacutesmall",
+ nullptr,
+ "dollarinferior",
+ nullptr,
+ nullptr,
+ "Thornsmall",
+ nullptr,
+ "nineinferior",
+ "zeroinferior",
+ "Zcaronsmall",
+ "AEsmall",
+ "Oslashsmall",
+ "questiondownsmall",
+ "oneinferior",
+ "asuperior",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "Cedillasmall",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "OEsmall",
+ "figuredash",
+ "hyphensuperior",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "exclamdownsmall",
+ nullptr,
+ "Ydieresissmall",
+ nullptr,
+ "onesuperior",
+ "twosuperior",
+ "threesuperior",
+ "foursuperior",
+ "fivesuperior",
+ "sixsuperior",
+ "sevensuperior",
+ "ninesuperior",
+ "zerosuperior",
+ nullptr,
+ "esuperior",
+ "rsuperior",
+ nullptr,
+ nullptr,
+ nullptr,
+ "isuperior",
+ "ssuperior",
+ "dsuperior",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "lsuperior",
+ "Ogoneksmall",
+ "Brevesmall",
+ "Macronsmall",
+ "bsuperior",
+ "nsuperior",
+ "msuperior",
+ "commasuperior",
+ "periodsuperior",
+ "Dotaccentsmall",
+ "Ringsmall",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+};
+
+const FX_CHAR* const PDFDocEncodingNames[232] = {
+ "breve",
+ "caron",
+ "circumflex",
+ "dotaccent",
+ "hungarumlaut",
+ "ogonek",
+ "ring",
+ "tilde",
+ "space",
+ "exclam",
+ "quotedbl",
+ "numbersign",
+ "dollar",
+ "percent",
+ "ampersand",
+ "quotesingle",
+ "parenleft",
+ "parenright",
+ "asterisk",
+ "plus",
+ "comma",
+ "hyphen",
+ "period",
+ "slash",
+ "zero",
+ "one",
+ "two",
+ "three",
+ "four",
+ "five",
+ "six",
+ "seven",
+ "eight",
+ "nine",
+ "colon",
+ "semicolon",
+ "less",
+ "equal",
+ "greater",
+ "question",
+ "at",
+ "A",
+ "B",
+ "C",
+ "D",
+ "E",
+ "F",
+ "G",
+ "H",
+ "I",
+ "J",
+ "K",
+ "L",
+ "M",
+ "N",
+ "O",
+ "P",
+ "Q",
+ "R",
+ "S",
+ "T",
+ "U",
+ "V",
+ "W",
+ "X",
+ "Y",
+ "Z",
+ "bracketleft",
+ "backslash",
+ "bracketright",
+ "asciicircum",
+ "underscore",
+ "grave",
+ "a",
+ "b",
+ "c",
+ "d",
+ "e",
+ "f",
+ "g",
+ "h",
+ "i",
+ "j",
+ "k",
+ "l",
+ "m",
+ "n",
+ "o",
+ "p",
+ "q",
+ "r",
+ "s",
+ "t",
+ "u",
+ "v",
+ "w",
+ "x",
+ "y",
+ "z",
+ "braceleft",
+ "bar",
+ "braceright",
+ "asciitilde",
+ nullptr,
+ "bullet3",
+ "dagger",
+ "daggerdbl",
+ "ellipsis",
+ "emdash",
+ "endash",
+ "florin",
+ "fraction",
+ "guilsinglleft",
+ "guilsinglright",
+ "minus",
+ "perthousand",
+ "quotedblbase",
+ "quotedblleft",
+ "quotedblright",
+ "quoteleft",
+ "quoteright",
+ "quotesinglbase",
+ "trademark",
+ "fi",
+ "fl",
+ "Lslash",
+ "OE",
+ "Scaron",
+ "Ydieresis",
+ "Zcaron2",
+ "dotlessi",
+ "lslash",
+ "oe",
+ "scaron",
+ "zcaron2",
+ nullptr,
+ "Euro",
+ "exclamdown",
+ "cent",
+ "sterling",
+ "currency",
+ "yen",
+ "brokenbar",
+ "section",
+ "dieresis",
+ "copyright",
+ "ordfeminine",
+ "guillemotleft4",
+ "logicalnot",
+ nullptr,
+ "registered",
+ "macron",
+ "degree",
+ "plusminus",
+ "twosuperior",
+ "threesuperior",
+ "acute",
+ "mu",
+ "paragraph",
+ "periodcentered",
+ "cedilla",
+ "onesuperior",
+ "ordmasculine",
+ "guillemotright4",
+ "onequarter",
+ "onehalf",
+ "threequarters",
+ "questiondown",
+ "Agrave",
+ "Aacute",
+ "Acircumflex",
+ "Atilde",
+ "Adieresis",
+ "Aring",
+ "AE",
+ "Ccedilla",
+ "Egrave",
+ "Eacute",
+ "Ecircumflex",
+ "Edieresis",
+ "Igrave",
+ "Iacute",
+ "Icircumflex",
+ "Idieresis",
+ "Eth",
+ "Ntilde",
+ "Ograve",
+ "Oacute",
+ "Ocircumflex",
+ "Otilde",
+ "Odieresis",
+ "multiply",
+ "Oslash",
+ "Ugrave",
+ "Uacute",
+ "Ucircumflex",
+ "Udieresis",
+ "Yacute",
+ "Thorn",
+ "germandbls",
+ "agrave",
+ "aacute",
+ "acircumflex",
+ "atilde",
+ "adieresis",
+ "aring",
+ "ae",
+ "ccedilla",
+ "egrave",
+ "eacute",
+ "ecircumflex",
+ "edieresis",
+ "igrave",
+ "iacute",
+ "icircumflex",
+ "idieresis",
+ "eth",
+ "ntilde",
+ "ograve",
+ "oacute",
+ "ocircumflex",
+ "otilde",
+ "odieresis",
+ "divide",
+ "oslash",
+ "ugrave",
+ "uacute",
+ "ucircumflex",
+ "udieresis",
+ "yacute",
+ "thorn",
+ "ydieresis",
+};
+
+const FX_CHAR* const AdobeSymbolEncodingNames[224] = {
+ "space",
+ "exclam",
+ "universal",
+ "numbersign",
+ "existential",
+ "percent",
+ "ampersand",
+ "suchthat",
+ "parenleft",
+ "parenright",
+ "asteriskmath",
+ "plus",
+ "comma",
+ "minus",
+ "period",
+ "slash",
+ "zero",
+ "one",
+ "two",
+ "three",
+ "four",
+ "five",
+ "six",
+ "seven",
+ "eight",
+ "nine",
+ "colon",
+ "semicolon",
+ "less",
+ "equal",
+ "greater",
+ "question",
+ "congruent",
+ "Alpha",
+ "Beta",
+ "Chi",
+ "Delta",
+ "Epsilon",
+ "Phi",
+ "Gamma",
+ "Eta",
+ "Iota",
+ "theta1",
+ "Kappa",
+ "Lambda",
+ "Mu",
+ "Nu",
+ "Omicron",
+ "Pi",
+ "Theta",
+ "Rho",
+ "Sigma",
+ "Tau",
+ "Upsilon",
+ "sigma1",
+ "Omega",
+ "Xi",
+ "Psi",
+ "Zeta",
+ "bracketleft",
+ "therefore",
+ "bracketright",
+ "perpendicular",
+ "underscore",
+ "radicalex",
+ "alpha",
+ "beta",
+ "chi",
+ "delta",
+ "epsilon",
+ "phi",
+ "gamma",
+ "eta",
+ "iota",
+ "phi1",
+ "kappa",
+ "lambda",
+ "mu",
+ "nu",
+ "omicron",
+ "pi",
+ "theta",
+ "rho",
+ "sigma",
+ "tau",
+ "upsilon",
+ "omega1",
+ "omega",
+ "xi",
+ "psi",
+ "zeta",
+ "braceleft",
+ "bar",
+ "braceright",
+ "similar",
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ "Euro",
+ "Upsilon1",
+ "minute",
+ "lessequal",
+ "fraction",
+ "infinity",
+ "florin",
+ "club",
+ "diamond",
+ "heart",
+ "spade",
+ "arrowboth",
+ "arrowleft",
+ "arrowup",
+ "arrowright",
+ "arrowdown",
+ "degree",
+ "plusminus",
+ "second",
+ "greaterequal",
+ "multiply",
+ "proportional",
+ "partialdiff",
+ "bullet",
+ "divide",
+ "notequal",
+ "equivalence",
+ "approxequal",
+ "ellipsis",
+ "arrowvertex",
+ "arrowhorizex",
+ "carriagereturn",
+ "aleph",
+ "Ifraktur",
+ "Rfraktur",
+ "weierstrass",
+ "circlemultiply",
+ "circleplus",
+ "emptyset",
+ "intersection",
+ "union",
+ "propersuperset",
+ "reflexsuperset",
+ "notsubset",
+ "propersubset",
+ "reflexsubset",
+ "element",
+ "notelement",
+ "angle",
+ "gradient",
+ "registerserif",
+ "copyrightserif",
+ "trademarkserif",
+ "product",
+ "radical",
+ "dotmath",
+ "logicalnot",
+ "logicaland",
+ "logicalor",
+ "arrowdblboth",
+ "arrowdblleft",
+ "arrowdblup",
+ "arrowdblright",
+ "arrowdbldown",
+ "lozenge",
+ "angleleft",
+ "registersans",
+ "copyrightsans",
+ "trademarksans",
+ "summation",
+ "parenlefttp",
+ "parenleftex",
+ "parenleftbt",
+ "bracketlefttp",
+ "bracketleftex",
+ "bracketleftbt",
+ "bracelefttp",
+ "braceleftmid",
+ "braceleftbt",
+ "braceex",
+ nullptr,
+ "angleright",
+ "integral",
+ "integraltp",
+ "integralex",
+ "integralbt",
+ "parenrighttp",
+ "parenrightex",
+ "parenrightbt",
+ "bracketrighttp",
+ "bracketrightex",
+ "bracketrightbt",
+ "bracerighttp",
+ "bracerightmid",
+ "bracerightbt",
+ nullptr,
+};
+
+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", "a27", "a28", "a6", "a7", "a8",
+ "a9", "a10", "a29", "a30", "a31", "a32", "a33", "a34",
+ "a35", "a36", "a37", "a38", "a39", "a40", "a41", "a42",
+ "a43", "a44", "a45", "a46", "a47", "a48", "a49", "a50",
+ "a51", "a52", "a53", "a54", "a55", "a56", "a57", "a58",
+ "a59", "a60", "a61", "a62", "a63", "a64", "a65", "a66",
+ "a67", "a68", "a69", "a70", "a71", "a72", "a73", "a74",
+ "a203", "a75", "a204", "a76", "a77", "a78", "a79", "a81",
+ "a82", "a83", "a84", "a97", "a98", "a99", "a100", nullptr,
+ "a89", "a90", "a93", "a94", "a91", "a92", "a205", "a85",
+ "a206", "a86", "a87", "a88", "a95", "a96", nullptr, nullptr,
+ nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+ nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+ nullptr, "a101", "a102", "a103", "a104", "a106", "a107", "a108",
+ "a112", "a111", "a110", "a109", "a120", "a121", "a122", "a123",
+ "a124", "a125", "a126", "a127", "a128", "a129", "a130", "a131",
+ "a132", "a133", "a134", "a135", "a136", "a137", "a138", "a139",
+ "a140", "a141", "a142", "a143", "a144", "a145", "a146", "a147",
+ "a148", "a149", "a150", "a151", "a152", "a153", "a154", "a155",
+ "a156", "a157", "a158", "a159", "a160", "a161", "a163", "a164",
+ "a196", "a165", "a192", "a166", "a167", "a168", "a169", "a170",
+ "a171", "a172", "a173", "a162", "a174", "a175", "a176", "a177",
+ "a178", "a179", "a193", "a180", "a199", "a181", "a200", "a182",
+ nullptr, "a201", "a183", "a184", "a197", "a185", "a194", "a198",
+ "a186", "a195", "a187", "a188", "a189", "a190", "a191", nullptr};
+
+uint32_t PDF_FindCode(const uint16_t* pCodes, uint16_t unicode) {
+ for (uint32_t 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;
+ }
+ 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(CFX_WeakPtr<CFX_ByteStringPool> pPool) {
+ 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(pPool->Intern("WinAnsiEncoding"));
+ }
+ if (predefined == PDFFONT_ENCODING_MACROMAN) {
+ return new CPDF_Name(pPool->Intern("MacRomanEncoding"));
+ }
+ if (predefined == PDFFONT_ENCODING_MACEXPERT) {
+ return new CPDF_Name(pPool->Intern("MacExpertEncoding"));
+ }
+ return nullptr;
+ }
+ 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(pPool);
+ pDict->SetNameFor("BaseEncoding", "WinAnsiEncoding");
+ pDict->SetFor("Differences", pDiff);
+ return pDict;
+}
+
+uint32_t FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode) {
+ switch (encoding) {
+ case FXFT_ENCODING_UNICODE:
+ return unicode;
+ case FXFT_ENCODING_ADOBE_STANDARD:
+ return PDF_FindCode(StandardEncoding, unicode);
+ case FXFT_ENCODING_ADOBE_EXPERT:
+ return PDF_FindCode(MacExpertEncoding, unicode);
+ case FXFT_ENCODING_ADOBE_LATIN_1:
+ return PDF_FindCode(AdobeWinAnsiEncoding, unicode);
+ case FXFT_ENCODING_APPLE_ROMAN:
+ return PDF_FindCode(MacRomanEncoding, unicode);
+ case FXFT_ENCODING_ADOBE_CUSTOM:
+ return PDF_FindCode(PDFDocEncoding, unicode);
+ case FXFT_ENCODING_MS_SYMBOL:
+ return PDF_FindCode(MSSymbolEncoding, unicode);
+ }
+ return 0;
+}
+const uint16_t* PDF_UnicodesForPredefinedCharSet(int encoding) {
+ switch (encoding) {
+ case PDFFONT_ENCODING_WINANSI:
+ return AdobeWinAnsiEncoding;
+ case PDFFONT_ENCODING_MACROMAN:
+ return MacRomanEncoding;
+ case PDFFONT_ENCODING_MACEXPERT:
+ return MacExpertEncoding;
+ case PDFFONT_ENCODING_STANDARD:
+ return StandardEncoding;
+ case PDFFONT_ENCODING_ADOBE_SYMBOL:
+ return AdobeSymbolEncoding;
+ case PDFFONT_ENCODING_ZAPFDINGBATS:
+ return ZapfEncoding;
+ case PDFFONT_ENCODING_PDFDOC:
+ return PDFDocEncoding;
+ case PDFFONT_ENCODING_MS_SYMBOL:
+ return MSSymbolEncoding;
+ }
+ return nullptr;
+}
+
+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 nullptr;
+
+ charcode -= 24;
+ } else {
+ if (charcode < 32)
+ return nullptr;
+
+ 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, uint32_t 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/font/cpdf_fontencoding.h b/core/fpdfapi/font/cpdf_fontencoding.h
new file mode 100644
index 0000000000..a81035c825
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_fontencoding.h
@@ -0,0 +1,61 @@
+// 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_FONT_CPDF_FONTENCODING_H_
+#define CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
+
+#include "core/fxcrt/cfx_string_pool_template.h"
+#include "core/fxcrt/cfx_weak_ptr.h"
+#include "core/fxcrt/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
+
+uint32_t FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode);
+FX_WCHAR FT_UnicodeFromCharCode(int encoding, uint32_t 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(CFX_WeakPtr<CFX_ByteStringPool> pPool);
+
+ public:
+ FX_WCHAR m_Unicodes[256];
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_
diff --git a/core/fpdfapi/font/cpdf_simplefont.cpp b/core/fpdfapi/font/cpdf_simplefont.cpp
new file mode 100644
index 0000000000..b596cf0036
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_simplefont.cpp
@@ -0,0 +1,216 @@
+// 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/font/cpdf_simplefont.h"
+
+#include "core/fpdfapi/font/font_int.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fxge/fx_freetype.h"
+#include "third_party/base/numerics/safe_math.h"
+
+CPDF_SimpleFont::CPDF_SimpleFont() : 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));
+ for (size_t i = 0; i < FX_ArraySize(m_CharBBox); ++i)
+ m_CharBBox[i] = FX_RECT(-1, -1, -1, -1);
+}
+
+CPDF_SimpleFont::~CPDF_SimpleFont() {}
+
+int CPDF_SimpleFont::GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) {
+ if (pVertGlyph)
+ *pVertGlyph = false;
+
+ if (charcode > 0xff)
+ return -1;
+
+ int index = m_GlyphIndex[(uint8_t)charcode];
+ return index != 0xffff ? index : -1;
+}
+
+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;
+
+ int iHoriBearingX = FXFT_Get_Glyph_HoriBearingX(face);
+ int iHoriBearingY = FXFT_Get_Glyph_HoriBearingY(face);
+ m_CharBBox[charcode] =
+ FX_RECT(TT2PDF(iHoriBearingX, face), TT2PDF(iHoriBearingY, face),
+ TT2PDF(iHoriBearingX + FXFT_Get_Glyph_Width(face), face),
+ TT2PDF(iHoriBearingY - 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(uint32_t charcode) {
+ if (charcode > 0xff)
+ charcode = 0;
+
+ if (m_CharWidth[charcode] == 0xffff) {
+ LoadCharMetrics(charcode);
+ if (m_CharWidth[charcode] == 0xffff) {
+ m_CharWidth[charcode] = 0;
+ }
+ }
+ return m_CharWidth[charcode];
+}
+
+FX_RECT CPDF_SimpleFont::GetCharBBox(uint32_t charcode) {
+ if (charcode > 0xff)
+ charcode = 0;
+
+ if (m_CharBBox[charcode].left == -1)
+ LoadCharMetrics(charcode);
+
+ return m_CharBBox[charcode];
+}
+
+bool CPDF_SimpleFont::LoadCommon() {
+ CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor");
+ if (pFontDesc) {
+ LoadFontDescriptor(pFontDesc);
+ }
+ CPDF_Array* pWidthArray = m_pFontDict->GetArrayFor("Widths");
+ m_bUseFontWidth = !pWidthArray;
+ if (pWidthArray) {
+ if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) {
+ int MissingWidth = pFontDesc->GetIntegerFor("MissingWidth");
+ for (int i = 0; i < 256; i++) {
+ m_CharWidth[i] = MissingWidth;
+ }
+ }
+ size_t width_start = m_pFontDict->GetIntegerFor("FirstChar", 0);
+ size_t width_end = m_pFontDict->GetIntegerFor("LastChar", 0);
+ if (width_start <= 255) {
+ if (width_end == 0 || width_end >= width_start + pWidthArray->GetCount())
+ width_end = width_start + pWidthArray->GetCount() - 1;
+ if (width_end > 255)
+ width_end = 255;
+ for (size_t 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->GetDirectObjectFor("Encoding");
+ LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, !!m_pFontFile,
+ m_Font.IsTTFont());
+ LoadGlyphMap();
+ m_CharNames.clear();
+ if (!m_Font.GetFace())
+ return true;
+
+ if (m_Flags & PDFFONT_ALLCAP) {
+ unsigned char kLowercases[][2] = {{'a', 'z'}, {0xe0, 0xf6}, {0xf8, 0xfd}};
+ for (size_t range = 0; range < FX_ArraySize(kLowercases); ++range) {
+ const auto& lower = kLowercases[range];
+ for (int i = lower[0]; i <= lower[1]; ++i) {
+ if (m_GlyphIndex[i] != 0xffff && m_pFontFile)
+ continue;
+
+ int j = i - 32;
+ m_GlyphIndex[i] = m_GlyphIndex[j];
+ if (m_CharWidth[j]) {
+ m_CharWidth[i] = m_CharWidth[j];
+ m_CharBBox[i] = m_CharBBox[j];
+ }
+ }
+ }
+ }
+ 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;
+ }
+ }
+ pdfium::base::CheckedNumeric<int> safeStemV(m_StemV);
+ if (m_StemV < 140)
+ safeStemV *= 5;
+ else
+ safeStemV = safeStemV * 4 + 140;
+ m_Font.LoadSubst(m_BaseFont, IsTrueTypeFont(), m_Flags,
+ safeStemV.ValueOrDefault(FXFONT_FW_NORMAL), m_ItalicAngle, 0,
+ false);
+}
+
+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(uint32_t 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;
+}
+
+uint32_t CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const {
+ uint32_t ret = CPDF_Font::CharCodeFromUnicode(unicode);
+ if (ret)
+ return ret;
+ return m_Encoding.CharCodeFromUnicode(unicode);
+}
diff --git a/core/fpdfapi/font/cpdf_simplefont.h b/core/fpdfapi/font/cpdf_simplefont.h
new file mode 100644
index 0000000000..592290b99b
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_simplefont.h
@@ -0,0 +1,49 @@
+// 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_FONT_CPDF_SIMPLEFONT_H_
+#define CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_
+
+#include <vector>
+
+#include "core/fpdfapi/font/cpdf_font.h"
+#include "core/fpdfapi/font/cpdf_fontencoding.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+
+class CPDF_SimpleFont : public CPDF_Font {
+ public:
+ CPDF_SimpleFont();
+ ~CPDF_SimpleFont() override;
+
+ // CPDF_Font
+ int GetCharWidthF(uint32_t charcode) override;
+ FX_RECT GetCharBBox(uint32_t charcode) override;
+ int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override;
+ bool IsUnicodeCompatible() const override;
+ CFX_WideString UnicodeFromCharCode(uint32_t charcode) const override;
+ uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const override;
+
+ CPDF_FontEncoding* GetEncoding() { return &m_Encoding; }
+
+ protected:
+ virtual void LoadGlyphMap() = 0;
+
+ bool LoadCommon();
+ void LoadSubstFont();
+ void LoadCharMetrics(int charcode);
+
+ CPDF_FontEncoding m_Encoding;
+ uint16_t m_GlyphIndex[256];
+ uint16_t m_ExtGID[256];
+ std::vector<CFX_ByteString> m_CharNames;
+ int m_BaseEncoding;
+ uint16_t m_CharWidth[256];
+ FX_RECT m_CharBBox[256];
+ bool m_bUseFontWidth;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_
diff --git a/core/fpdfapi/font/cpdf_truetypefont.cpp b/core/fpdfapi/font/cpdf_truetypefont.cpp
new file mode 100644
index 0000000000..f3b5f2507e
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_truetypefont.cpp
@@ -0,0 +1,223 @@
+// 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/font/cpdf_truetypefont.h"
+
+#include "core/fpdfapi/font/font_int.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fxge/fx_font.h"
+
+namespace {
+
+const uint8_t kPrefix[4] = {0x00, 0xf0, 0xf1, 0xf2};
+
+} // namespace
+
+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;
+}
+
+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_CharNames.empty()) ||
+ (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->GetIntegerFor("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;
+ }
+ bool bMSUnicode = FT_UseTTCharmap(m_Font.GetFace(), 3, 1);
+ bool bMacRoman = false;
+ bool 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_CharNames, 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) {
+ for (size_t j = 0; j < FX_ArraySize(kPrefix); j++) {
+ uint16_t unicode = kPrefix[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) {
+ uint32_t 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)) {
+ bool bFound = false;
+ for (int charcode = 0; charcode < 256; charcode++) {
+ for (size_t j = 0; j < FX_ArraySize(kPrefix); j++) {
+ uint16_t unicode = kPrefix[j] * 256 + charcode;
+ m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
+ if (m_GlyphIndex[charcode]) {
+ bFound = true;
+ break;
+ }
+ }
+ }
+ if (bFound) {
+ if (baseEncoding != PDFFONT_ENCODING_BUILTIN) {
+ for (int charcode = 0; charcode < 256; charcode++) {
+ const FX_CHAR* name =
+ GetAdobeCharName(baseEncoding, m_CharNames, charcode);
+ if (name)
+ 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)) {
+ bool bFound = 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]) {
+ bFound = true;
+ }
+ }
+ if (m_pFontFile || bFound)
+ return;
+ }
+ if (FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE) == 0) {
+ bool bFound = 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_CharNames, 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])
+ bFound = true;
+ }
+ if (bFound)
+ return;
+ }
+ for (int charcode = 0; charcode < 256; charcode++)
+ m_GlyphIndex[charcode] = charcode;
+}
diff --git a/core/fpdfapi/font/cpdf_truetypefont.h b/core/fpdfapi/font/cpdf_truetypefont.h
new file mode 100644
index 0000000000..6a5e0fc83e
--- /dev/null
+++ b/core/fpdfapi/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_FONT_CPDF_TRUETYPEFONT_H_
+#define CORE_FPDFAPI_FONT_CPDF_TRUETYPEFONT_H_
+
+#include "core/fpdfapi/font/cpdf_simplefont.h"
+#include "core/fxcrt/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:
+ bool Load() override;
+
+ // CPDF_SimpleFont:
+ void LoadGlyphMap() override;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_TRUETYPEFONT_H_
diff --git a/core/fpdfapi/font/cpdf_type1font.cpp b/core/fpdfapi/font/cpdf_type1font.cpp
new file mode 100644
index 0000000000..7848af5dee
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_type1font.cpp
@@ -0,0 +1,398 @@
+// 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/font/cpdf_type1font.h"
+
+#include "core/fpdfapi/font/font_int.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fxge/cfx_gemodule.h"
+#include "core/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"},
+ {"ffi", "uniFB03"},
+ {"ffl", "uniFB04"},
+ {"fi", "uniFB01"},
+ {"fl", "uniFB02"}};
+
+int compareString(const void* key, const void* element) {
+ return FXSYS_stricmp(static_cast<const FX_CHAR*>(key),
+ static_cast<const GlyphNameMap*>(element)->m_pStrAdobe);
+}
+
+const FX_CHAR* GlyphNameRemap(const FX_CHAR* pStrAdobe) {
+ const GlyphNameMap* found = static_cast<const GlyphNameMap*>(FXSYS_bsearch(
+ pStrAdobe, g_GlyphNameSubsts, FX_ArraySize(g_GlyphNameSubsts),
+ sizeof(GlyphNameMap), compareString));
+ return found ? found->m_pStrUnicode : nullptr;
+}
+
+#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;
+}
+
+bool CPDF_Type1Font::Load() {
+ m_Base14Font = PDF_GetStandardFontName(&m_BaseFont);
+ if (m_Base14Font >= 0) {
+ CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictFor("FontDescriptor");
+ if (pFontDesc && pFontDesc->KeyExist("Flags"))
+ m_Flags = pFontDesc->GetIntegerFor("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(uint32_t 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_
+ bool bCoreText = true;
+ CQuartz2D& quartz2d =
+ static_cast<CApplePlatform*>(CFX_GEModule::Get()->GetPlatformData())
+ ->m_quartz2d;
+ if (!m_Font.GetPlatformFont()) {
+ if (m_Font.GetPsName() == "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_CharNames, 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_CharNames, 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_CharNames, 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 // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if (m_Flags & PDFFONT_SYMBOLIC) {
+ for (int charcode = 0; charcode < 256; charcode++) {
+ const FX_CHAR* name =
+ GetAdobeCharName(m_BaseEncoding, m_CharNames, 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_CharNames, 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/font/cpdf_type1font.h b/core/fpdfapi/font/cpdf_type1font.h
new file mode 100644
index 0000000000..4dc5ea0917
--- /dev/null
+++ b/core/fpdfapi/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_FONT_CPDF_TYPE1FONT_H_
+#define CORE_FPDFAPI_FONT_CPDF_TYPE1FONT_H_
+
+#include "core/fpdfapi/font/cpdf_simplefont.h"
+#include "core/fxcrt/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(uint32_t charcode) override;
+
+ int GetBase14Font() const { return m_Base14Font; }
+
+ protected:
+ // CPDF_Font:
+ bool Load() override;
+
+ // CPDF_SimpleFont:
+ void LoadGlyphMap() override;
+
+ int m_Base14Font;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_TYPE1FONT_H_
diff --git a/core/fpdfapi/font/cpdf_type3char.cpp b/core/fpdfapi/font/cpdf_type3char.cpp
new file mode 100644
index 0000000000..2114486dec
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_type3char.cpp
@@ -0,0 +1,38 @@
+// 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/font/cpdf_type3char.h"
+
+#include "core/fpdfapi/fpdf_page/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/cpdf_image.h"
+#include "core/fpdfapi/fpdf_page/cpdf_imageobject.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pageobject.h"
+#include "core/fxge/fx_dib.h"
+
+CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm)
+ : m_pForm(pForm), m_bColored(FALSE) {}
+
+CPDF_Type3Char::~CPDF_Type3Char() {}
+
+FX_BOOL CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext) {
+ if (m_pBitmap || !m_pForm)
+ return TRUE;
+
+ if (m_pForm->GetPageObjectList()->size() != 1 || m_bColored)
+ return FALSE;
+
+ auto& pPageObj = m_pForm->GetPageObjectList()->front();
+ if (!pPageObj->IsImage())
+ return FALSE;
+
+ m_ImageMatrix = pPageObj->AsImage()->m_Matrix;
+ std::unique_ptr<CFX_DIBSource> pSource(
+ pPageObj->AsImage()->GetImage()->LoadDIBSource());
+ if (pSource)
+ m_pBitmap.reset(pSource->Clone());
+ m_pForm.reset();
+ return TRUE;
+}
diff --git a/core/fpdfapi/font/cpdf_type3char.h b/core/fpdfapi/font/cpdf_type3char.h
new file mode 100644
index 0000000000..ebb5ed440c
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_type3char.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_FONT_CPDF_TYPE3CHAR_H_
+#define CORE_FPDFAPI_FONT_CPDF_TYPE3CHAR_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/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);
+
+ std::unique_ptr<CPDF_Form> m_pForm;
+ std::unique_ptr<CFX_DIBitmap> m_pBitmap;
+ FX_BOOL m_bColored;
+ int m_Width;
+ CFX_Matrix m_ImageMatrix;
+ FX_RECT m_BBox;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_TYPE3CHAR_H_
diff --git a/core/fpdfapi/font/cpdf_type3font.cpp b/core/fpdfapi/font/cpdf_type3font.cpp
new file mode 100644
index 0000000000..ae301c2e8c
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_type3font.cpp
@@ -0,0 +1,159 @@
+// 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/font/cpdf_type3font.h"
+
+#include <utility>
+
+#include "core/fpdfapi/font/cpdf_type3char.h"
+#include "core/fpdfapi/fpdf_page/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fxcrt/fx_system.h"
+#include "third_party/base/stl_util.h"
+
+CPDF_Type3Font::CPDF_Type3Font()
+ : m_pCharProcs(nullptr),
+ m_pPageResources(nullptr),
+ m_pFontResources(nullptr),
+ m_CharLoadingDepth(0) {
+ FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL));
+}
+
+CPDF_Type3Font::~CPDF_Type3Font() {}
+
+bool CPDF_Type3Font::IsType3Font() const {
+ return true;
+}
+
+const CPDF_Type3Font* CPDF_Type3Font::AsType3Font() const {
+ return this;
+}
+
+CPDF_Type3Font* CPDF_Type3Font::AsType3Font() {
+ return this;
+}
+
+bool CPDF_Type3Font::Load() {
+ m_pFontResources = m_pFontDict->GetDictFor("Resources");
+ CPDF_Array* pMatrix = m_pFontDict->GetArrayFor("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->GetArrayFor("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->GetIntegerFor("FirstChar");
+ CPDF_Array* pWidthArray = m_pFontDict->GetArrayFor("Widths");
+ if (pWidthArray && (StartChar >= 0 && StartChar < 256)) {
+ size_t count = pWidthArray->GetCount();
+ if (count > 256)
+ count = 256;
+ if (StartChar + count > 256)
+ count = 256 - StartChar;
+ for (size_t i = 0; i < count; i++) {
+ m_CharWidthL[StartChar + i] =
+ FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000);
+ }
+ }
+ m_pCharProcs = m_pFontDict->GetDictFor("CharProcs");
+ CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
+ if (pEncoding) {
+ LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, false, false);
+ if (!m_CharNames.empty()) {
+ for (int i = 0; i < 256; i++) {
+ m_Encoding.m_Unicodes[i] =
+ PDF_UnicodeFromAdobeName(m_CharNames[i].c_str());
+ 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(uint32_t charcode) {
+ if (m_CharLoadingDepth >= _FPDF_MAX_TYPE3_FORM_LEVEL_)
+ return nullptr;
+
+ auto it = m_CacheMap.find(charcode);
+ if (it != m_CacheMap.end())
+ return it->second.get();
+
+ const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_CharNames, charcode);
+ if (!name)
+ return nullptr;
+
+ CPDF_Stream* pStream =
+ ToStream(m_pCharProcs ? m_pCharProcs->GetDirectObjectFor(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.
+ m_CharLoadingDepth++;
+ pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get());
+ m_CharLoadingDepth--;
+ it = m_CacheMap.find(charcode);
+ if (it != m_CacheMap.end())
+ return it->second.get();
+
+ 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));
+ m_CacheMap[charcode] = std::move(pNewChar);
+ CPDF_Type3Char* pCachedChar = m_CacheMap[charcode].get();
+ if (pCachedChar->m_pForm->GetPageObjectList()->empty())
+ pCachedChar->m_pForm.reset();
+ return pCachedChar;
+}
+
+int CPDF_Type3Font::GetCharWidthF(uint32_t charcode) {
+ if (charcode >= FX_ArraySize(m_CharWidthL))
+ charcode = 0;
+
+ if (m_CharWidthL[charcode])
+ return m_CharWidthL[charcode];
+
+ const CPDF_Type3Char* pChar = LoadChar(charcode);
+ return pChar ? pChar->m_Width : 0;
+}
+
+FX_RECT CPDF_Type3Font::GetCharBBox(uint32_t charcode) {
+ const CPDF_Type3Char* pChar = LoadChar(charcode);
+ return pChar ? pChar->m_BBox : FX_RECT();
+}
diff --git a/core/fpdfapi/font/cpdf_type3font.h b/core/fpdfapi/font/cpdf_type3font.h
new file mode 100644
index 0000000000..0bae192d61
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_type3font.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_FONT_CPDF_TYPE3FONT_H_
+#define CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_
+
+#include <map>
+#include <memory>
+
+#include "core/fpdfapi/font/cpdf_simplefont.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/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(uint32_t charcode) override;
+ FX_RECT GetCharBBox(uint32_t charcode) override;
+
+ void SetPageResources(CPDF_Dictionary* pResources) {
+ m_pPageResources = pResources;
+ }
+ CPDF_Type3Char* LoadChar(uint32_t charcode);
+ void CheckType3FontMetrics();
+
+ CFX_Matrix& GetFontMatrix() { return m_FontMatrix; }
+
+ protected:
+ CFX_Matrix m_FontMatrix;
+
+ private:
+ // CPDF_Font:
+ 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<uint32_t, std::unique_ptr<CPDF_Type3Char>> m_CacheMap;
+ // The depth char loading is in, to avoid recurive calling LoadChar().
+ int m_CharLoadingDepth;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_
diff --git a/core/fpdfapi/font/font_int.h b/core/fpdfapi/font/font_int.h
new file mode 100644
index 0000000000..10c2dcada4
--- /dev/null
+++ b/core/fpdfapi/font/font_int.h
@@ -0,0 +1,204 @@
+// 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
+
+#ifndef CORE_FPDFAPI_FONT_FONT_INT_H_
+#define CORE_FPDFAPI_FONT_FONT_INT_H_
+
+#include <map>
+#include <memory>
+
+#include "core/fpdfapi/font/cpdf_cidfont.h"
+#include "core/fxcrt/fx_basic.h"
+
+class CPDF_CID2UnicodeMap;
+class CPDF_CMap;
+class CPDF_Font;
+class CPDF_Stream;
+
+using FXFT_Library = void*;
+
+int TT2PDF(int m, FXFT_Face face);
+bool FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id);
+CIDSet CharsetFromOrdering(const CFX_ByteStringC& ordering);
+
+class CPDF_CMapManager {
+ public:
+ CPDF_CMapManager();
+ ~CPDF_CMapManager();
+
+ CPDF_CMap* GetPredefinedCMap(const CFX_ByteString& name, bool bPromptCJK);
+ CPDF_CID2UnicodeMap* GetCID2UnicodeMap(CIDSet charset, bool bPromptCJK);
+
+ private:
+ CPDF_CMap* LoadPredefinedCMap(const CFX_ByteString& name, bool bPromptCJK);
+ CPDF_CID2UnicodeMap* LoadCID2UnicodeMap(CIDSet charset, bool bPromptCJK);
+
+ std::map<CFX_ByteString, CPDF_CMap*> m_CMaps;
+ CPDF_CID2UnicodeMap* m_CID2UnicodeMaps[6];
+};
+
+class CFX_StockFontArray {
+ public:
+ CFX_StockFontArray();
+ ~CFX_StockFontArray();
+
+ // Takes ownership of |pFont|, returns unowned pointer to it.
+ CPDF_Font* SetFont(uint32_t index, std::unique_ptr<CPDF_Font> pFont);
+ CPDF_Font* GetFont(uint32_t index) const;
+
+ private:
+ std::unique_ptr<CPDF_Font> m_StockFonts[14];
+};
+
+class CPDF_FontGlobals {
+ public:
+ CPDF_FontGlobals();
+ ~CPDF_FontGlobals();
+
+ void Clear(CPDF_Document* pDoc);
+ CPDF_Font* Find(CPDF_Document* pDoc, uint32_t index);
+
+ // Takes ownership of |pFont|, returns unowned pointer to it.
+ CPDF_Font* Set(CPDF_Document* key,
+ uint32_t index,
+ std::unique_ptr<CPDF_Font> pFont);
+
+ CPDF_CMapManager m_CMapManager;
+ struct {
+ const struct FXCMAP_CMap* m_pMapList;
+ uint32_t m_Count;
+ } m_EmbeddedCharsets[CIDSET_NUM_SETS];
+ struct {
+ const uint16_t* m_pMap;
+ uint32_t m_Count;
+ } m_EmbeddedToUnicodes[CIDSET_NUM_SETS];
+
+ private:
+ std::map<CPDF_Document*, std::unique_ptr<CFX_StockFontArray>> m_StockMap;
+};
+
+struct CMap_CodeRange {
+ int m_CharSize;
+ uint8_t m_Lower[4];
+ uint8_t m_Upper[4];
+};
+
+class CPDF_CMapParser {
+ public:
+ CPDF_CMapParser();
+ ~CPDF_CMapParser();
+ void Initialize(CPDF_CMap* pMap);
+ void ParseWord(const CFX_ByteStringC& str);
+ CFX_BinaryBuf m_AddMaps;
+
+ private:
+ friend class fpdf_font_cid_CMap_GetCode_Test;
+ friend class fpdf_font_cid_CMap_GetCodeRange_Test;
+
+ static uint32_t CMap_GetCode(const CFX_ByteStringC& word);
+ static bool CMap_GetCodeRange(CMap_CodeRange& range,
+ const CFX_ByteStringC& first,
+ const CFX_ByteStringC& second);
+
+ CPDF_CMap* m_pCMap;
+ int m_Status;
+ int m_CodeSeq;
+ uint32_t m_CodePoints[4];
+ CFX_ArrayTemplate<CMap_CodeRange> m_CodeRanges;
+ CFX_ByteString m_LastWord;
+};
+
+enum CIDCoding : uint8_t {
+ CIDCODING_UNKNOWN = 0,
+ CIDCODING_GB,
+ CIDCODING_BIG5,
+ CIDCODING_JIS,
+ CIDCODING_KOREA,
+ CIDCODING_UCS2,
+ CIDCODING_CID,
+ CIDCODING_UTF16,
+};
+
+class CPDF_CMap {
+ public:
+ enum CodingScheme : uint8_t {
+ OneByte,
+ TwoBytes,
+ MixedTwoBytes,
+ MixedFourBytes
+ };
+
+ CPDF_CMap();
+ ~CPDF_CMap();
+
+ void LoadPredefined(CPDF_CMapManager* pMgr,
+ const CFX_ByteString& name,
+ bool bPromptCJK);
+ void LoadEmbedded(const uint8_t* pData, uint32_t dwSize);
+
+ bool IsLoaded() const;
+ bool IsVertWriting() const;
+ uint16_t CIDFromCharCode(uint32_t charcode) const;
+ int GetCharSize(uint32_t charcode) const;
+ uint32_t GetNextChar(const FX_CHAR* pString, int nStrLen, int& offset) const;
+ int CountChar(const FX_CHAR* pString, int size) const;
+ int AppendChar(FX_CHAR* str, uint32_t charcode) const;
+
+ private:
+ friend class CPDF_CMapParser;
+ friend class CPDF_CIDFont;
+
+ CFX_ByteString m_PredefinedCMap;
+ bool m_bVertical;
+ CIDSet m_Charset;
+ int m_Coding;
+ CodingScheme m_CodingScheme;
+ int m_nCodeRanges;
+ uint8_t* m_pLeadingBytes;
+ uint16_t* m_pMapping;
+ uint8_t* m_pAddMapping;
+ bool m_bLoaded;
+ const FXCMAP_CMap* m_pEmbedMap;
+};
+
+class CPDF_CID2UnicodeMap {
+ public:
+ CPDF_CID2UnicodeMap();
+ ~CPDF_CID2UnicodeMap();
+
+ bool IsLoaded();
+ void Load(CPDF_CMapManager* pMgr, CIDSet charset, bool bPromptCJK);
+ FX_WCHAR UnicodeFromCID(uint16_t CID);
+
+ private:
+ CIDSet m_Charset;
+ const uint16_t* m_pEmbeddedMap;
+ uint32_t m_EmbeddedCount;
+};
+
+class CPDF_ToUnicodeMap {
+ public:
+ CPDF_ToUnicodeMap();
+ ~CPDF_ToUnicodeMap();
+
+ void Load(CPDF_Stream* pStream);
+
+ CFX_WideString Lookup(uint32_t charcode) const;
+ uint32_t ReverseLookup(FX_WCHAR unicode) const;
+
+ private:
+ friend class fpdf_font_StringToCode_Test;
+ friend class fpdf_font_StringToWideString_Test;
+
+ static uint32_t StringToCode(const CFX_ByteStringC& str);
+ static CFX_WideString StringToWideString(const CFX_ByteStringC& str);
+
+ std::map<uint32_t, uint32_t> m_Map;
+ CPDF_CID2UnicodeMap* m_pBaseMap;
+ CFX_WideTextBuf m_MultiCharBuf;
+};
+
+#endif // CORE_FPDFAPI_FONT_FONT_INT_H_
diff --git a/core/fpdfapi/font/fpdf_font.cpp b/core/fpdfapi/font/fpdf_font.cpp
new file mode 100644
index 0000000000..4763fe5c44
--- /dev/null
+++ b/core/fpdfapi/font/fpdf_font.cpp
@@ -0,0 +1,317 @@
+// 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/font/font_int.h"
+
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/fpdf_page/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_name.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_number.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_simple_parser.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h"
+#include "core/fxcrt/fx_ext.h"
+#include "core/fxcrt/fx_safe_types.h"
+#include "core/fxge/fx_freetype.h"
+#include "third_party/base/numerics/safe_conversions.h"
+#include "third_party/base/stl_util.h"
+
+int TT2PDF(int m, FXFT_Face face) {
+ int upm = FXFT_Get_Face_UnitsPerEM(face);
+ if (upm == 0)
+ return m;
+ return pdfium::base::checked_cast<int>(
+ (static_cast<double>(m) * 1000 + upm / 2) / upm);
+}
+
+bool FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id) {
+ auto* pCharMap = FXFT_Get_Face_Charmaps(face);
+ for (int i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) {
+ if (FXFT_Get_Charmap_PlatformID(pCharMap[i]) == platform_id &&
+ FXFT_Get_Charmap_EncodingID(pCharMap[i]) == encoding_id) {
+ FXFT_Set_Charmap(face, pCharMap[i]);
+ return true;
+ }
+ }
+ return false;
+}
+
+CFX_StockFontArray::CFX_StockFontArray() {}
+
+CFX_StockFontArray::~CFX_StockFontArray() {
+ for (size_t i = 0; i < FX_ArraySize(m_StockFonts); ++i) {
+ if (!m_StockFonts[i])
+ continue;
+ CPDF_Dictionary* pFontDict = m_StockFonts[i]->GetFontDict();
+ if (pFontDict)
+ pFontDict->Release();
+ }
+}
+
+CPDF_Font* CFX_StockFontArray::GetFont(uint32_t index) const {
+ if (index >= FX_ArraySize(m_StockFonts))
+ return nullptr;
+ return m_StockFonts[index].get();
+}
+
+CPDF_Font* CFX_StockFontArray::SetFont(uint32_t index,
+ std::unique_ptr<CPDF_Font> pFont) {
+ CPDF_Font* result = pFont.get();
+ if (index < FX_ArraySize(m_StockFonts))
+ m_StockFonts[index] = std::move(pFont);
+ return result;
+}
+
+CPDF_FontGlobals::CPDF_FontGlobals() {
+ FXSYS_memset(m_EmbeddedCharsets, 0, sizeof(m_EmbeddedCharsets));
+ FXSYS_memset(m_EmbeddedToUnicodes, 0, sizeof(m_EmbeddedToUnicodes));
+}
+
+CPDF_FontGlobals::~CPDF_FontGlobals() {}
+
+CPDF_Font* CPDF_FontGlobals::Find(CPDF_Document* pDoc, uint32_t index) {
+ auto it = m_StockMap.find(pDoc);
+ if (it == m_StockMap.end())
+ return nullptr;
+ return it->second ? it->second->GetFont(index) : nullptr;
+}
+
+CPDF_Font* CPDF_FontGlobals::Set(CPDF_Document* pDoc,
+ uint32_t index,
+ std::unique_ptr<CPDF_Font> pFont) {
+ if (!pdfium::ContainsKey(m_StockMap, pDoc))
+ m_StockMap[pDoc].reset(new CFX_StockFontArray);
+ return m_StockMap[pDoc]->SetFont(index, std::move(pFont));
+}
+
+void CPDF_FontGlobals::Clear(CPDF_Document* pDoc) {
+ m_StockMap.erase(pDoc);
+}
+
+CFX_WideString CPDF_ToUnicodeMap::Lookup(uint32_t charcode) const {
+ auto it = m_Map.find(charcode);
+ if (it != m_Map.end()) {
+ uint32_t value = it->second;
+ FX_WCHAR unicode = (FX_WCHAR)(value & 0xffff);
+ if (unicode != 0xffff) {
+ return unicode;
+ }
+ const FX_WCHAR* buf = m_MultiCharBuf.GetBuffer();
+ uint32_t buf_len = m_MultiCharBuf.GetLength();
+ if (!buf || buf_len == 0) {
+ return CFX_WideString();
+ }
+ uint32_t index = value >> 16;
+ if (index >= buf_len) {
+ return CFX_WideString();
+ }
+ uint32_t len = buf[index];
+ if (index + len < index || index + len >= buf_len) {
+ return CFX_WideString();
+ }
+ return CFX_WideString(buf + index + 1, len);
+ }
+ if (m_pBaseMap) {
+ return m_pBaseMap->UnicodeFromCID((uint16_t)charcode);
+ }
+ return CFX_WideString();
+}
+
+uint32_t CPDF_ToUnicodeMap::ReverseLookup(FX_WCHAR unicode) const {
+ for (const auto& pair : m_Map) {
+ if (pair.second == static_cast<uint32_t>(unicode))
+ return pair.first;
+ }
+ return 0;
+}
+
+// Static.
+uint32_t CPDF_ToUnicodeMap::StringToCode(const CFX_ByteStringC& str) {
+ int len = str.GetLength();
+ if (len == 0)
+ return 0;
+
+ uint32_t result = 0;
+ if (str[0] == '<') {
+ for (int i = 1; i < len && std::isxdigit(str[i]); ++i)
+ result = result * 16 + FXSYS_toHexDigit(str.CharAt(i));
+ return result;
+ }
+
+ for (int i = 0; i < len && std::isdigit(str[i]); ++i)
+ result = result * 10 + FXSYS_toDecimalDigit(str.CharAt(i));
+
+ return result;
+}
+
+static CFX_WideString StringDataAdd(CFX_WideString str) {
+ CFX_WideString ret;
+ int len = str.GetLength();
+ FX_WCHAR value = 1;
+ for (int i = len - 1; i >= 0; --i) {
+ FX_WCHAR ch = str[i] + value;
+ if (ch < str[i]) {
+ ret.Insert(0, 0);
+ } else {
+ ret.Insert(0, ch);
+ value = 0;
+ }
+ }
+ if (value) {
+ ret.Insert(0, value);
+ }
+ return ret;
+}
+
+// Static.
+CFX_WideString CPDF_ToUnicodeMap::StringToWideString(
+ const CFX_ByteStringC& str) {
+ int len = str.GetLength();
+ if (len == 0)
+ return CFX_WideString();
+
+ CFX_WideString result;
+ if (str[0] == '<') {
+ int byte_pos = 0;
+ FX_WCHAR ch = 0;
+ for (int i = 1; i < len && std::isxdigit(str[i]); ++i) {
+ ch = ch * 16 + FXSYS_toHexDigit(str[i]);
+ byte_pos++;
+ if (byte_pos == 4) {
+ result += ch;
+ byte_pos = 0;
+ ch = 0;
+ }
+ }
+ return result;
+ }
+ return result;
+}
+
+CPDF_ToUnicodeMap::CPDF_ToUnicodeMap() : m_pBaseMap(nullptr) {}
+
+CPDF_ToUnicodeMap::~CPDF_ToUnicodeMap() {}
+
+void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) {
+ CIDSet cid_set = CIDSET_UNKNOWN;
+ CPDF_StreamAcc stream;
+ stream.LoadAllData(pStream, FALSE);
+ CPDF_SimpleParser parser(stream.GetData(), stream.GetSize());
+ while (1) {
+ CFX_ByteStringC word = parser.GetWord();
+ if (word.IsEmpty()) {
+ break;
+ }
+ if (word == "beginbfchar") {
+ while (1) {
+ word = parser.GetWord();
+ if (word.IsEmpty() || word == "endbfchar") {
+ break;
+ }
+ uint32_t srccode = StringToCode(word);
+ word = parser.GetWord();
+ CFX_WideString destcode = StringToWideString(word);
+ int len = destcode.GetLength();
+ if (len == 0) {
+ continue;
+ }
+ if (len == 1) {
+ m_Map[srccode] = destcode.GetAt(0);
+ } else {
+ FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength();
+ uni *= 0x10000;
+ uni += 0xffff;
+ m_Map[srccode] = uni.ValueOrDie();
+ m_MultiCharBuf.AppendChar(destcode.GetLength());
+ m_MultiCharBuf << destcode;
+ }
+ }
+ } else if (word == "beginbfrange") {
+ while (1) {
+ CFX_ByteString low, high;
+ low = parser.GetWord();
+ if (low.IsEmpty() || low == "endbfrange") {
+ break;
+ }
+ high = parser.GetWord();
+ uint32_t lowcode = StringToCode(low.AsStringC());
+ uint32_t highcode =
+ (lowcode & 0xffffff00) | (StringToCode(high.AsStringC()) & 0xff);
+ if (highcode == (uint32_t)-1) {
+ break;
+ }
+ CFX_ByteString start(parser.GetWord());
+ if (start == "[") {
+ for (uint32_t code = lowcode; code <= highcode; code++) {
+ CFX_ByteString dest(parser.GetWord());
+ CFX_WideString destcode = StringToWideString(dest.AsStringC());
+ int len = destcode.GetLength();
+ if (len == 0) {
+ continue;
+ }
+ if (len == 1) {
+ m_Map[code] = destcode.GetAt(0);
+ } else {
+ FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength();
+ uni *= 0x10000;
+ uni += 0xffff;
+ m_Map[code] = uni.ValueOrDie();
+ m_MultiCharBuf.AppendChar(destcode.GetLength());
+ m_MultiCharBuf << destcode;
+ }
+ }
+ parser.GetWord();
+ } else {
+ CFX_WideString destcode = StringToWideString(start.AsStringC());
+ int len = destcode.GetLength();
+ uint32_t value = 0;
+ if (len == 1) {
+ value = StringToCode(start.AsStringC());
+ for (uint32_t code = lowcode; code <= highcode; code++) {
+ m_Map[code] = value++;
+ }
+ } else {
+ for (uint32_t code = lowcode; code <= highcode; code++) {
+ CFX_WideString retcode;
+ if (code == lowcode) {
+ retcode = destcode;
+ } else {
+ retcode = StringDataAdd(destcode);
+ }
+ FX_SAFE_UINT32 uni = m_MultiCharBuf.GetLength();
+ uni *= 0x10000;
+ uni += 0xffff;
+ m_Map[code] = uni.ValueOrDie();
+ m_MultiCharBuf.AppendChar(retcode.GetLength());
+ m_MultiCharBuf << retcode;
+ destcode = retcode;
+ }
+ }
+ }
+ }
+ } else if (word == "/Adobe-Korea1-UCS2") {
+ cid_set = CIDSET_KOREA1;
+ } else if (word == "/Adobe-Japan1-UCS2") {
+ cid_set = CIDSET_JAPAN1;
+ } else if (word == "/Adobe-CNS1-UCS2") {
+ cid_set = CIDSET_CNS1;
+ } else if (word == "/Adobe-GB1-UCS2") {
+ cid_set = CIDSET_GB1;
+ }
+ }
+ if (cid_set) {
+ m_pBaseMap = CPDF_ModuleMgr::Get()
+ ->GetPageModule()
+ ->GetFontGlobals()
+ ->m_CMapManager.GetCID2UnicodeMap(cid_set, FALSE);
+ } else {
+ m_pBaseMap = nullptr;
+ }
+}
diff --git a/core/fpdfapi/font/fpdf_font_cid.cpp b/core/fpdfapi/font/fpdf_font_cid.cpp
new file mode 100644
index 0000000000..1d8052bc29
--- /dev/null
+++ b/core/fpdfapi/font/fpdf_font_cid.cpp
@@ -0,0 +1,783 @@
+// 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/font/font_int.h"
+
+#include "core/fpdfapi/cmaps/cmap_int.h"
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/font/ttgsubtable.h"
+#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_simple_parser.h"
+#include "core/fxcrt/fx_ext.h"
+#include "core/fxge/fx_freetype.h"
+
+namespace {
+
+const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = {
+ nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"};
+
+class CPDF_PredefinedCMap {
+ public:
+ const FX_CHAR* m_pName;
+ CIDSet m_Charset;
+ CIDCoding m_Coding;
+ CPDF_CMap::CodingScheme m_CodingScheme;
+ uint8_t 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);
+}
+
+CFX_ByteStringC CMap_GetString(const CFX_ByteStringC& word) {
+ if (word.GetLength() <= 2)
+ return CFX_ByteStringC();
+ return CFX_ByteStringC(&word[1], word.GetLength() - 2);
+}
+
+int CompareDWORD(const void* data1, const void* data2) {
+ return (*(uint32_t*)data1) - (*(uint32_t*)data2);
+}
+
+int CompareCID(const void* key, const void* element) {
+ if ((*(uint32_t*)key) < (*(uint32_t*)element)) {
+ return -1;
+ }
+ if ((*(uint32_t*)key) >
+ (*(uint32_t*)element) + ((uint32_t*)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(uint32_t 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;
+}
+
+} // namespace
+
+CPDF_CMapManager::CPDF_CMapManager() {
+ 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,
+ 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,
+ bool bPromptCJK) {
+ CPDF_CMap* pCMap = new CPDF_CMap;
+ const FX_CHAR* pname = name.c_str();
+ if (*pname == '/') {
+ pname++;
+ }
+ pCMap->LoadPredefined(this, pname, bPromptCJK);
+ return pCMap;
+}
+
+CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset,
+ bool bPromptCJK) {
+ if (!m_CID2UnicodeMaps[charset])
+ m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
+ return m_CID2UnicodeMaps[charset];
+}
+CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(CIDSet charset,
+ bool bPromptCJK) {
+ CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap();
+ pMap->Load(this, charset, bPromptCJK);
+ return pMap;
+}
+
+CPDF_CMapParser::CPDF_CMapParser()
+ : m_pCMap(nullptr), m_Status(0), m_CodeSeq(0) {}
+
+CPDF_CMapParser::~CPDF_CMapParser() {}
+
+void CPDF_CMapParser::Initialize(CPDF_CMap* pCMap) {
+ m_pCMap = pCMap;
+ m_Status = 0;
+ m_CodeSeq = 0;
+ m_AddMaps.EstimateSize(0, 10240);
+}
+
+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++;
+ uint32_t StartCode, EndCode;
+ uint16_t StartCID;
+ if (m_Status == 1) {
+ if (m_CodeSeq < 2) {
+ return;
+ }
+ EndCode = StartCode = m_CodePoints[0];
+ StartCID = (uint16_t)m_CodePoints[1];
+ } else {
+ if (m_CodeSeq < 3) {
+ return;
+ }
+ StartCode = m_CodePoints[0];
+ EndCode = m_CodePoints[1];
+ StartCID = (uint16_t)m_CodePoints[2];
+ }
+ if (EndCode < 0x10000) {
+ for (uint32_t code = StartCode; code <= EndCode; code++) {
+ m_pCMap->m_pMapping[code] = (uint16_t)(StartCID + code - StartCode);
+ }
+ } else {
+ uint32_t 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) {
+ m_Status = 0;
+ } else if (m_Status == 4) {
+ m_pCMap->m_Charset = CharsetFromOrdering(CMap_GetString(word));
+ m_Status = 0;
+ } else if (m_Status == 5) {
+ m_Status = 0;
+ } else if (m_Status == 6) {
+ m_pCMap->m_bVertical = CMap_GetCode(word) != 0;
+ 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;
+ FX_Free(m_pCMap->m_pLeadingBytes);
+ 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.AsStringC(), word)) {
+ m_CodeRanges.Add(range);
+ }
+ }
+ m_CodeSeq++;
+ }
+ }
+ m_LastWord = word;
+}
+
+// Static.
+uint32_t CPDF_CMapParser::CMap_GetCode(const CFX_ByteStringC& word) {
+ pdfium::base::CheckedNumeric<uint32_t> 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));
+ if (!num.IsValid())
+ return 0;
+ }
+ return num.ValueOrDie();
+ }
+
+ 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)));
+ if (!num.IsValid())
+ return 0;
+ }
+ return num.ValueOrDie();
+}
+
+// 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);
+ }
+
+ uint32_t size = second.GetLength();
+ for (i = 0; i < range.m_CharSize; ++i) {
+ uint8_t digit1 = ((uint32_t)i * 2 + 1 < size)
+ ? second.GetAt((FX_STRSIZE)i * 2 + 1)
+ : '0';
+ uint8_t digit2 = ((uint32_t)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 = false;
+ m_bLoaded = false;
+ m_pMapping = nullptr;
+ m_pLeadingBytes = nullptr;
+ m_pAddMapping = nullptr;
+ m_pEmbedMap = nullptr;
+ m_nCodeRanges = 0;
+}
+CPDF_CMap::~CPDF_CMap() {
+ FX_Free(m_pMapping);
+ FX_Free(m_pAddMapping);
+ FX_Free(m_pLeadingBytes);
+}
+
+bool CPDF_CMap::IsLoaded() const {
+ return m_bLoaded;
+}
+
+bool CPDF_CMap::IsVertWriting() const {
+ return m_bVertical;
+}
+
+void CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr,
+ const CFX_ByteString& bsName,
+ bool bPromptCJK) {
+ m_PredefinedCMap = bsName;
+ if (m_PredefinedCMap == "Identity-H" || m_PredefinedCMap == "Identity-V") {
+ m_Coding = CIDCODING_CID;
+ m_bVertical = bsName[9] == 'V';
+ m_bLoaded = true;
+ return;
+ }
+ 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;
+
+ 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 (uint32_t 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(bsName, m_Charset, m_Coding, m_pEmbedMap);
+ if (!m_pEmbedMap)
+ return;
+
+ m_bLoaded = true;
+}
+
+void CPDF_CMap::LoadEmbedded(const uint8_t* pData, uint32_t size) {
+ m_pMapping = FX_Alloc(uint16_t, 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);
+ *(uint32_t*)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);
+ }
+}
+
+uint16_t CPDF_CMap::CIDFromCharCode(uint32_t charcode) const {
+ if (m_Coding == CIDCODING_CID) {
+ return (uint16_t)charcode;
+ }
+ if (m_pEmbedMap) {
+ return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode);
+ }
+ if (!m_pMapping) {
+ return (uint16_t)charcode;
+ }
+ if (charcode >> 16) {
+ if (m_pAddMapping) {
+ void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4,
+ *(uint32_t*)m_pAddMapping, 8, CompareCID);
+ if (!found)
+ return 0;
+ return (uint16_t)(((uint32_t*)found)[1] % 65536 + charcode -
+ *(uint32_t*)found);
+ }
+ return 0;
+ }
+ return m_pMapping[charcode];
+}
+
+uint32_t 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) {
+ uint32_t 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(uint32_t 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, uint32_t 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() {}
+
+bool CPDF_CID2UnicodeMap::IsLoaded() {
+ return m_EmbeddedCount != 0;
+}
+
+FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(uint16_t 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,
+ bool bPromptCJK) {
+ m_Charset = charset;
+
+ CPDF_FontGlobals* pFontGlobals =
+ CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
+ m_pEmbeddedMap = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
+ m_EmbeddedCount = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count;
+}
+
+CIDSet CharsetFromOrdering(const CFX_ByteStringC& ordering) {
+ for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) {
+ if (ordering == g_CharsetNames[charset])
+ return CIDSetFromSizeT(charset);
+ }
+ return CIDSET_UNKNOWN;
+}
diff --git a/core/fpdfapi/font/fpdf_font_cid_unittest.cpp b/core/fpdfapi/font/fpdf_font_cid_unittest.cpp
new file mode 100644
index 0000000000..53f5e47f92
--- /dev/null
+++ b/core/fpdfapi/font/fpdf_font_cid_unittest.cpp
@@ -0,0 +1,70 @@
+// Copyright 2015 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.
+
+#include "core/fpdfapi/font/font_int.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+bool uint_ranges_equal(uint8_t* a, uint8_t* b, size_t count) {
+ for (size_t i = 0; i < count; ++i) {
+ if (a[i] != b[i])
+ return false;
+ }
+ return true;
+}
+
+} // namespace
+
+TEST(fpdf_font_cid, CMap_GetCode) {
+ EXPECT_EQ(0u, CPDF_CMapParser::CMap_GetCode(""));
+ EXPECT_EQ(0u, CPDF_CMapParser::CMap_GetCode("<"));
+ EXPECT_EQ(194u, CPDF_CMapParser::CMap_GetCode("<c2"));
+ EXPECT_EQ(162u, CPDF_CMapParser::CMap_GetCode("<A2"));
+ EXPECT_EQ(2802u, CPDF_CMapParser::CMap_GetCode("<Af2"));
+ EXPECT_EQ(162u, CPDF_CMapParser::CMap_GetCode("<A2z"));
+
+ EXPECT_EQ(12u, CPDF_CMapParser::CMap_GetCode("12"));
+ EXPECT_EQ(12u, CPDF_CMapParser::CMap_GetCode("12d"));
+ EXPECT_EQ(128u, CPDF_CMapParser::CMap_GetCode("128"));
+
+ EXPECT_EQ(4294967295u, CPDF_CMapParser::CMap_GetCode("<FFFFFFFF"));
+
+ // Overflow a uint32_t.
+ EXPECT_EQ(0u, CPDF_CMapParser::CMap_GetCode("<100000000"));
+}
+
+TEST(fpdf_font_cid, CMap_GetCodeRange) {
+ CMap_CodeRange range;
+
+ // Must start with a <
+ EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "", ""));
+ EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "A", ""));
+
+ // m_CharSize must be <= 4
+ EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "<aaaaaaaaaa>", ""));
+ EXPECT_EQ(5, range.m_CharSize);
+
+ EXPECT_TRUE(
+ CPDF_CMapParser::CMap_GetCodeRange(range, "<12345678>", "<87654321>"));
+ EXPECT_EQ(4, range.m_CharSize);
+ {
+ uint8_t lower[4] = {18, 52, 86, 120};
+ uint8_t upper[4] = {135, 101, 67, 33};
+ EXPECT_TRUE(uint_ranges_equal(lower, range.m_Lower, range.m_CharSize));
+ EXPECT_TRUE(uint_ranges_equal(upper, range.m_Upper, range.m_CharSize));
+ }
+
+ // Hex characters
+ EXPECT_TRUE(CPDF_CMapParser::CMap_GetCodeRange(range, "<a1>", "<F3>"));
+ EXPECT_EQ(1, range.m_CharSize);
+ EXPECT_EQ(161, range.m_Lower[0]);
+ EXPECT_EQ(243, range.m_Upper[0]);
+
+ // The second string should return 0's if it is shorter
+ EXPECT_TRUE(CPDF_CMapParser::CMap_GetCodeRange(range, "<a1>", ""));
+ EXPECT_EQ(1, range.m_CharSize);
+ EXPECT_EQ(161, range.m_Lower[0]);
+ EXPECT_EQ(0, range.m_Upper[0]);
+}
diff --git a/core/fpdfapi/font/fpdf_font_unittest.cpp b/core/fpdfapi/font/fpdf_font_unittest.cpp
new file mode 100644
index 0000000000..977ae8a3bb
--- /dev/null
+++ b/core/fpdfapi/font/fpdf_font_unittest.cpp
@@ -0,0 +1,30 @@
+// Copyright 2015 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.
+
+#include "core/fpdfapi/font/font_int.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(fpdf_font, StringToCode) {
+ EXPECT_EQ(0u, CPDF_ToUnicodeMap::StringToCode(""));
+ EXPECT_EQ(194u, CPDF_ToUnicodeMap::StringToCode("<c2"));
+ EXPECT_EQ(162u, CPDF_ToUnicodeMap::StringToCode("<A2"));
+ EXPECT_EQ(2802u, CPDF_ToUnicodeMap::StringToCode("<Af2"));
+ EXPECT_EQ(12u, CPDF_ToUnicodeMap::StringToCode("12"));
+ EXPECT_EQ(128u, CPDF_ToUnicodeMap::StringToCode("128"));
+}
+
+TEST(fpdf_font, StringToWideString) {
+ EXPECT_EQ(L"", CPDF_ToUnicodeMap::StringToWideString(""));
+ EXPECT_EQ(L"", CPDF_ToUnicodeMap::StringToWideString("1234"));
+
+ EXPECT_EQ(L"", CPDF_ToUnicodeMap::StringToWideString("<c2"));
+
+ CFX_WideString res = L"\xc2ab";
+ EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2ab"));
+ EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2abab"));
+ EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2ab 1234"));
+
+ res += L"\xfaab";
+ EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2abFaAb"));
+}
diff --git a/core/fpdfapi/font/ttgsubtable.cpp b/core/fpdfapi/font/ttgsubtable.cpp
new file mode 100644
index 0000000000..51f533d7d1
--- /dev/null
+++ b/core/fpdfapi/font/ttgsubtable.cpp
@@ -0,0 +1,502 @@
+// 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/font/ttgsubtable.h"
+
+#include "core/fxge/fx_freetype.h"
+#include "third_party/base/stl_util.h"
+
+CFX_GlyphMap::CFX_GlyphMap() {}
+
+CFX_GlyphMap::~CFX_GlyphMap() {}
+
+extern "C" {
+static int _CompareInt(const void* p1, const void* p2) {
+ return (*(uint32_t*)p1) - (*(uint32_t*)p2);
+}
+};
+
+struct _IntPair {
+ int32_t key;
+ int32_t value;
+};
+
+void CFX_GlyphMap::SetAt(int key, int value) {
+ uint32_t count = m_Buffer.GetSize() / sizeof(_IntPair);
+ _IntPair* buf = (_IntPair*)m_Buffer.GetBuffer();
+ _IntPair pair = {key, value};
+ if (count == 0 || key > buf[count - 1].key) {
+ m_Buffer.AppendBlock(&pair, sizeof(_IntPair));
+ return;
+ }
+ int low = 0, high = count - 1;
+ while (low <= high) {
+ int mid = (low + high) / 2;
+ if (buf[mid].key < key) {
+ low = mid + 1;
+ } else if (buf[mid].key > key) {
+ high = mid - 1;
+ } else {
+ buf[mid].value = value;
+ return;
+ }
+ }
+ m_Buffer.InsertBlock(low * sizeof(_IntPair), &pair, sizeof(_IntPair));
+}
+
+FX_BOOL CFX_GlyphMap::Lookup(int key, int& value) {
+ void* pResult = FXSYS_bsearch(&key, m_Buffer.GetBuffer(),
+ m_Buffer.GetSize() / sizeof(_IntPair),
+ sizeof(_IntPair), _CompareInt);
+ if (!pResult) {
+ return FALSE;
+ }
+ value = ((uint32_t*)pResult)[1];
+ return TRUE;
+}
+
+CFX_CTTGSUBTable::CFX_CTTGSUBTable()
+ : m_bFeautureMapLoad(FALSE), loaded(false) {}
+
+CFX_CTTGSUBTable::CFX_CTTGSUBTable(FT_Bytes gsub)
+ : m_bFeautureMapLoad(FALSE), loaded(false) {
+ LoadGSUBTable(gsub);
+}
+
+CFX_CTTGSUBTable::~CFX_CTTGSUBTable() {}
+
+bool CFX_CTTGSUBTable::IsOk() const {
+ return loaded;
+}
+
+bool CFX_CTTGSUBTable::LoadGSUBTable(FT_Bytes gsub) {
+ header.Version = gsub[0] << 24 | gsub[1] << 16 | gsub[2] << 8 | gsub[3];
+ if (header.Version != 0x00010000) {
+ return false;
+ }
+ header.ScriptList = gsub[4] << 8 | gsub[5];
+ header.FeatureList = gsub[6] << 8 | gsub[7];
+ header.LookupList = gsub[8] << 8 | gsub[9];
+ return Parse(&gsub[header.ScriptList], &gsub[header.FeatureList],
+ &gsub[header.LookupList]);
+}
+
+bool CFX_CTTGSUBTable::GetVerticalGlyph(uint32_t glyphnum,
+ uint32_t* vglyphnum) {
+ uint32_t tag[] = {
+ (uint8_t)'v' << 24 | (uint8_t)'r' << 16 | (uint8_t)'t' << 8 |
+ (uint8_t)'2',
+ (uint8_t)'v' << 24 | (uint8_t)'e' << 16 | (uint8_t)'r' << 8 |
+ (uint8_t)'t',
+ };
+ if (!m_bFeautureMapLoad) {
+ for (int i = 0; i < ScriptList.ScriptCount; i++) {
+ for (int j = 0; j < ScriptList.ScriptRecord[i].Script.LangSysCount; ++j) {
+ const auto& record = ScriptList.ScriptRecord[i].Script.LangSysRecord[j];
+ for (int k = 0; k < record.LangSys.FeatureCount; ++k) {
+ uint32_t index = record.LangSys.FeatureIndex[k];
+ if (FeatureList.FeatureRecord[index].FeatureTag == tag[0] ||
+ FeatureList.FeatureRecord[index].FeatureTag == tag[1]) {
+ if (!pdfium::ContainsKey(m_featureMap, index)) {
+ m_featureMap[index] = index;
+ }
+ }
+ }
+ }
+ }
+ if (m_featureMap.empty()) {
+ for (int i = 0; i < FeatureList.FeatureCount; i++) {
+ if (FeatureList.FeatureRecord[i].FeatureTag == tag[0] ||
+ FeatureList.FeatureRecord[i].FeatureTag == tag[1]) {
+ m_featureMap[i] = i;
+ }
+ }
+ }
+ m_bFeautureMapLoad = TRUE;
+ }
+ for (const auto& pair : m_featureMap) {
+ if (GetVerticalGlyphSub(glyphnum, vglyphnum,
+ &FeatureList.FeatureRecord[pair.second].Feature)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool CFX_CTTGSUBTable::GetVerticalGlyphSub(uint32_t glyphnum,
+ uint32_t* vglyphnum,
+ TFeature* Feature) const {
+ for (int i = 0; i < Feature->LookupCount; i++) {
+ int index = Feature->LookupListIndex[i];
+ if (index < 0 || LookupList.LookupCount < index) {
+ continue;
+ }
+ if (LookupList.Lookup[index].LookupType == 1) {
+ if (GetVerticalGlyphSub2(glyphnum, vglyphnum,
+ &LookupList.Lookup[index])) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+bool CFX_CTTGSUBTable::GetVerticalGlyphSub2(uint32_t glyphnum,
+ uint32_t* vglyphnum,
+ TLookup* Lookup) const {
+ for (int i = 0; i < Lookup->SubTableCount; i++) {
+ switch (Lookup->SubTable[i]->SubstFormat) {
+ case 1: {
+ TSingleSubstFormat1* tbl1 = (TSingleSubstFormat1*)Lookup->SubTable[i];
+ if (GetCoverageIndex(tbl1->Coverage.get(), glyphnum) >= 0) {
+ *vglyphnum = glyphnum + tbl1->DeltaGlyphID;
+ return true;
+ }
+ break;
+ }
+ case 2: {
+ TSingleSubstFormat2* tbl2 = (TSingleSubstFormat2*)Lookup->SubTable[i];
+ int index = -1;
+ index = GetCoverageIndex(tbl2->Coverage.get(), glyphnum);
+ if (0 <= index && index < tbl2->GlyphCount) {
+ *vglyphnum = tbl2->Substitute[index];
+ return true;
+ }
+ break;
+ }
+ }
+ }
+ return false;
+}
+
+int CFX_CTTGSUBTable::GetCoverageIndex(TCoverageFormatBase* Coverage,
+ uint32_t g) const {
+ int i = 0;
+ if (!Coverage) {
+ return -1;
+ }
+ switch (Coverage->CoverageFormat) {
+ case 1: {
+ TCoverageFormat1* c1 = (TCoverageFormat1*)Coverage;
+ for (i = 0; i < c1->GlyphCount; i++) {
+ if ((uint32_t)c1->GlyphArray[i] == g) {
+ return i;
+ }
+ }
+ return -1;
+ }
+ case 2: {
+ TCoverageFormat2* c2 = (TCoverageFormat2*)Coverage;
+ for (i = 0; i < c2->RangeCount; i++) {
+ uint32_t s = c2->RangeRecord[i].Start;
+ uint32_t e = c2->RangeRecord[i].End;
+ uint32_t si = c2->RangeRecord[i].StartCoverageIndex;
+ if (s <= g && g <= e) {
+ return si + g - s;
+ }
+ }
+ return -1;
+ }
+ }
+ return -1;
+}
+
+uint8_t CFX_CTTGSUBTable::GetUInt8(FT_Bytes& p) const {
+ uint8_t ret = p[0];
+ p += 1;
+ return ret;
+}
+
+int16_t CFX_CTTGSUBTable::GetInt16(FT_Bytes& p) const {
+ uint16_t ret = p[0] << 8 | p[1];
+ p += 2;
+ return *(int16_t*)&ret;
+}
+
+uint16_t CFX_CTTGSUBTable::GetUInt16(FT_Bytes& p) const {
+ uint16_t ret = p[0] << 8 | p[1];
+ p += 2;
+ return ret;
+}
+
+int32_t CFX_CTTGSUBTable::GetInt32(FT_Bytes& p) const {
+ uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+ p += 4;
+ return *(int32_t*)&ret;
+}
+
+uint32_t CFX_CTTGSUBTable::GetUInt32(FT_Bytes& p) const {
+ uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+ p += 4;
+ return ret;
+}
+
+bool CFX_CTTGSUBTable::Parse(FT_Bytes scriptlist,
+ FT_Bytes featurelist,
+ FT_Bytes lookuplist) {
+ ParseScriptList(scriptlist, &ScriptList);
+ ParseFeatureList(featurelist, &FeatureList);
+ ParseLookupList(lookuplist, &LookupList);
+ return true;
+}
+
+void CFX_CTTGSUBTable::ParseScriptList(FT_Bytes raw, TScriptList* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ rec->ScriptCount = GetUInt16(sp);
+ if (rec->ScriptCount <= 0) {
+ return;
+ }
+ rec->ScriptRecord.reset(new TScriptRecord[rec->ScriptCount]);
+ for (i = 0; i < rec->ScriptCount; i++) {
+ rec->ScriptRecord[i].ScriptTag = GetUInt32(sp);
+ uint16_t offset = GetUInt16(sp);
+ ParseScript(&raw[offset], &rec->ScriptRecord[i].Script);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseScript(FT_Bytes raw, TScript* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ rec->DefaultLangSys = GetUInt16(sp);
+ rec->LangSysCount = GetUInt16(sp);
+ if (rec->LangSysCount <= 0) {
+ return;
+ }
+ rec->LangSysRecord.reset(new TLangSysRecord[rec->LangSysCount]);
+ for (i = 0; i < rec->LangSysCount; i++) {
+ rec->LangSysRecord[i].LangSysTag = GetUInt32(sp);
+ uint16_t offset = GetUInt16(sp);
+ ParseLangSys(&raw[offset], &rec->LangSysRecord[i].LangSys);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseLangSys(FT_Bytes raw, TLangSys* rec) {
+ FT_Bytes sp = raw;
+ rec->LookupOrder = GetUInt16(sp);
+ rec->ReqFeatureIndex = GetUInt16(sp);
+ rec->FeatureCount = GetUInt16(sp);
+ if (rec->FeatureCount <= 0) {
+ return;
+ }
+ rec->FeatureIndex.reset(new uint16_t[rec->FeatureCount]);
+ FXSYS_memset(rec->FeatureIndex.get(), 0,
+ sizeof(uint16_t) * rec->FeatureCount);
+ for (int i = 0; i < rec->FeatureCount; ++i) {
+ rec->FeatureIndex[i] = GetUInt16(sp);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseFeatureList(FT_Bytes raw, TFeatureList* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ rec->FeatureCount = GetUInt16(sp);
+ if (rec->FeatureCount <= 0) {
+ return;
+ }
+ rec->FeatureRecord.reset(new TFeatureRecord[rec->FeatureCount]);
+ for (i = 0; i < rec->FeatureCount; i++) {
+ rec->FeatureRecord[i].FeatureTag = GetUInt32(sp);
+ uint16_t offset = GetUInt16(sp);
+ ParseFeature(&raw[offset], &rec->FeatureRecord[i].Feature);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseFeature(FT_Bytes raw, TFeature* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ rec->FeatureParams = GetUInt16(sp);
+ rec->LookupCount = GetUInt16(sp);
+ if (rec->LookupCount <= 0) {
+ return;
+ }
+ rec->LookupListIndex.reset(new uint16_t[rec->LookupCount]);
+ for (i = 0; i < rec->LookupCount; i++) {
+ rec->LookupListIndex[i] = GetUInt16(sp);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseLookupList(FT_Bytes raw, TLookupList* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ rec->LookupCount = GetUInt16(sp);
+ if (rec->LookupCount <= 0) {
+ return;
+ }
+ rec->Lookup.reset(new TLookup[rec->LookupCount]);
+ for (i = 0; i < rec->LookupCount; i++) {
+ uint16_t offset = GetUInt16(sp);
+ ParseLookup(&raw[offset], &rec->Lookup[i]);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseLookup(FT_Bytes raw, TLookup* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ rec->LookupType = GetUInt16(sp);
+ rec->LookupFlag = GetUInt16(sp);
+ rec->SubTableCount = GetUInt16(sp);
+ if (rec->SubTableCount <= 0) {
+ return;
+ }
+ rec->SubTable.reset(new TSubTableBase*[rec->SubTableCount]);
+ for (i = 0; i < rec->SubTableCount; i++) {
+ rec->SubTable[i] = nullptr;
+ }
+ if (rec->LookupType != 1) {
+ return;
+ }
+ for (i = 0; i < rec->SubTableCount; i++) {
+ uint16_t offset = GetUInt16(sp);
+ ParseSingleSubst(&raw[offset], &rec->SubTable[i]);
+ }
+}
+
+CFX_CTTGSUBTable::TCoverageFormatBase* CFX_CTTGSUBTable::ParseCoverage(
+ FT_Bytes raw) {
+ FT_Bytes sp = raw;
+ uint16_t format = GetUInt16(sp);
+ TCoverageFormatBase* rec = nullptr;
+ if (format == 1) {
+ rec = new TCoverageFormat1();
+ ParseCoverageFormat1(raw, static_cast<TCoverageFormat1*>(rec));
+ } else if (format == 2) {
+ rec = new TCoverageFormat2();
+ ParseCoverageFormat2(raw, static_cast<TCoverageFormat2*>(rec));
+ }
+ return rec;
+}
+
+void CFX_CTTGSUBTable::ParseCoverageFormat1(FT_Bytes raw,
+ TCoverageFormat1* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ GetUInt16(sp);
+ rec->GlyphCount = GetUInt16(sp);
+ if (rec->GlyphCount <= 0) {
+ return;
+ }
+ rec->GlyphArray.reset(new uint16_t[rec->GlyphCount]);
+ for (i = 0; i < rec->GlyphCount; i++) {
+ rec->GlyphArray[i] = GetUInt16(sp);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseCoverageFormat2(FT_Bytes raw,
+ TCoverageFormat2* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ GetUInt16(sp);
+ rec->RangeCount = GetUInt16(sp);
+ if (rec->RangeCount <= 0) {
+ return;
+ }
+ rec->RangeRecord.reset(new TRangeRecord[rec->RangeCount]);
+ for (i = 0; i < rec->RangeCount; i++) {
+ rec->RangeRecord[i].Start = GetUInt16(sp);
+ rec->RangeRecord[i].End = GetUInt16(sp);
+ rec->RangeRecord[i].StartCoverageIndex = GetUInt16(sp);
+ }
+}
+
+void CFX_CTTGSUBTable::ParseSingleSubst(FT_Bytes raw, TSubTableBase** rec) {
+ FT_Bytes sp = raw;
+ uint16_t Format = GetUInt16(sp);
+ switch (Format) {
+ case 1:
+ *rec = new TSingleSubstFormat1();
+ ParseSingleSubstFormat1(raw, (TSingleSubstFormat1*)*rec);
+ break;
+ case 2:
+ *rec = new TSingleSubstFormat2();
+ ParseSingleSubstFormat2(raw, (TSingleSubstFormat2*)*rec);
+ break;
+ }
+}
+
+void CFX_CTTGSUBTable::ParseSingleSubstFormat1(FT_Bytes raw,
+ TSingleSubstFormat1* rec) {
+ FT_Bytes sp = raw;
+ GetUInt16(sp);
+ uint16_t offset = GetUInt16(sp);
+ rec->Coverage.reset(ParseCoverage(&raw[offset]));
+ rec->DeltaGlyphID = GetInt16(sp);
+}
+
+void CFX_CTTGSUBTable::ParseSingleSubstFormat2(FT_Bytes raw,
+ TSingleSubstFormat2* rec) {
+ int i;
+ FT_Bytes sp = raw;
+ GetUInt16(sp);
+ uint16_t offset = GetUInt16(sp);
+ rec->Coverage.reset(ParseCoverage(&raw[offset]));
+ rec->GlyphCount = GetUInt16(sp);
+ if (rec->GlyphCount <= 0) {
+ return;
+ }
+ rec->Substitute.reset(new uint16_t[rec->GlyphCount]);
+ for (i = 0; i < rec->GlyphCount; i++) {
+ rec->Substitute[i] = GetUInt16(sp);
+ }
+}
+
+CFX_CTTGSUBTable::TCoverageFormat1::TCoverageFormat1()
+ : TCoverageFormatBase(1), GlyphCount(0) {}
+
+CFX_CTTGSUBTable::TCoverageFormat1::~TCoverageFormat1() {}
+
+CFX_CTTGSUBTable::TRangeRecord::TRangeRecord()
+ : Start(0), End(0), StartCoverageIndex(0) {}
+
+CFX_CTTGSUBTable::TCoverageFormat2::TCoverageFormat2()
+ : TCoverageFormatBase(2), RangeCount(0) {}
+
+CFX_CTTGSUBTable::TCoverageFormat2::~TCoverageFormat2() {}
+
+CFX_CTTGSUBTable::TSingleSubstFormat1::TSingleSubstFormat1()
+ : TSubTableBase(1), DeltaGlyphID(0) {}
+
+CFX_CTTGSUBTable::TSingleSubstFormat1::~TSingleSubstFormat1() {}
+
+CFX_CTTGSUBTable::TSingleSubstFormat2::TSingleSubstFormat2()
+ : TSubTableBase(2), GlyphCount(0) {}
+
+CFX_CTTGSUBTable::TSingleSubstFormat2::~TSingleSubstFormat2() {}
+
+CFX_CTTGSUBTable::TLookup::TLookup()
+ : LookupType(0), LookupFlag(0), SubTableCount(0) {}
+
+CFX_CTTGSUBTable::TLookup::~TLookup() {
+ if (SubTable) {
+ for (int i = 0; i < SubTableCount; ++i)
+ delete SubTable[i];
+ }
+}
+
+CFX_CTTGSUBTable::TScript::TScript() : DefaultLangSys(0), LangSysCount(0) {}
+
+CFX_CTTGSUBTable::TScript::~TScript() {}
+
+CFX_CTTGSUBTable::TScriptList::TScriptList() : ScriptCount(0) {}
+
+CFX_CTTGSUBTable::TScriptList::~TScriptList() {}
+
+CFX_CTTGSUBTable::TFeature::TFeature() : FeatureParams(0), LookupCount(0) {}
+
+CFX_CTTGSUBTable::TFeature::~TFeature() {}
+
+CFX_CTTGSUBTable::TFeatureList::TFeatureList() : FeatureCount(0) {}
+
+CFX_CTTGSUBTable::TFeatureList::~TFeatureList() {}
+
+CFX_CTTGSUBTable::TLookupList::TLookupList() : LookupCount(0) {}
+
+CFX_CTTGSUBTable::TLookupList::~TLookupList() {}
+
+CFX_CTTGSUBTable::TLangSys::TLangSys()
+ : LookupOrder(0), ReqFeatureIndex(0), FeatureCount(0) {}
+
+CFX_CTTGSUBTable::TLangSys::~TLangSys() {}
diff --git a/core/fpdfapi/font/ttgsubtable.h b/core/fpdfapi/font/ttgsubtable.h
new file mode 100644
index 0000000000..b3853912b2
--- /dev/null
+++ b/core/fpdfapi/font/ttgsubtable.h
@@ -0,0 +1,301 @@
+// 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
+
+#ifndef CORE_FPDFAPI_FONT_TTGSUBTABLE_H_
+#define CORE_FPDFAPI_FONT_TTGSUBTABLE_H_
+
+#include <stdint.h>
+
+#include <map>
+#include <memory>
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxge/fx_font.h"
+#include "core/fxge/fx_freetype.h"
+
+class CFX_GlyphMap {
+ public:
+ CFX_GlyphMap();
+ ~CFX_GlyphMap();
+
+ void SetAt(int key, int value);
+ FX_BOOL Lookup(int key, int& value);
+
+ protected:
+ CFX_BinaryBuf m_Buffer;
+};
+
+class CFX_CTTGSUBTable {
+ public:
+ CFX_CTTGSUBTable();
+ explicit CFX_CTTGSUBTable(FT_Bytes gsub);
+ virtual ~CFX_CTTGSUBTable();
+
+ bool IsOk() const;
+ bool LoadGSUBTable(FT_Bytes gsub);
+ bool GetVerticalGlyph(uint32_t glyphnum, uint32_t* vglyphnum);
+
+ private:
+ struct tt_gsub_header {
+ uint32_t Version;
+ uint16_t ScriptList;
+ uint16_t FeatureList;
+ uint16_t LookupList;
+ };
+ struct TLangSys {
+ TLangSys();
+ ~TLangSys();
+
+ uint16_t LookupOrder;
+ uint16_t ReqFeatureIndex;
+ uint16_t FeatureCount;
+ std::unique_ptr<uint16_t[]> FeatureIndex;
+
+ private:
+ TLangSys(const TLangSys&);
+ TLangSys& operator=(const TLangSys&);
+ };
+ struct TLangSysRecord {
+ TLangSysRecord() : LangSysTag(0) {}
+
+ uint32_t LangSysTag;
+ TLangSys LangSys;
+
+ private:
+ TLangSysRecord(const TLangSysRecord&);
+ TLangSysRecord& operator=(const TLangSysRecord&);
+ };
+ struct TScript {
+ TScript();
+ ~TScript();
+
+ uint16_t DefaultLangSys;
+ uint16_t LangSysCount;
+ std::unique_ptr<TLangSysRecord[]> LangSysRecord;
+
+ private:
+ TScript(const TScript&);
+ TScript& operator=(const TScript&);
+ };
+ struct TScriptRecord {
+ TScriptRecord() : ScriptTag(0) {}
+
+ uint32_t ScriptTag;
+ TScript Script;
+
+ private:
+ TScriptRecord(const TScriptRecord&);
+ TScriptRecord& operator=(const TScriptRecord&);
+ };
+ struct TScriptList {
+ TScriptList();
+ ~TScriptList();
+
+ uint16_t ScriptCount;
+ std::unique_ptr<TScriptRecord[]> ScriptRecord;
+
+ private:
+ TScriptList(const TScriptList&);
+ TScriptList& operator=(const TScriptList&);
+ };
+ struct TFeature {
+ TFeature();
+ ~TFeature();
+
+ uint16_t FeatureParams;
+ int LookupCount;
+ std::unique_ptr<uint16_t[]> LookupListIndex;
+
+ private:
+ TFeature(const TFeature&);
+ TFeature& operator=(const TFeature&);
+ };
+ struct TFeatureRecord {
+ TFeatureRecord() : FeatureTag(0) {}
+
+ uint32_t FeatureTag;
+ TFeature Feature;
+
+ private:
+ TFeatureRecord(const TFeatureRecord&);
+ TFeatureRecord& operator=(const TFeatureRecord&);
+ };
+ struct TFeatureList {
+ TFeatureList();
+ ~TFeatureList();
+
+ int FeatureCount;
+ std::unique_ptr<TFeatureRecord[]> FeatureRecord;
+
+ private:
+ TFeatureList(const TFeatureList&);
+ TFeatureList& operator=(const TFeatureList&);
+ };
+ enum TLookupFlag {
+ LOOKUPFLAG_RightToLeft = 0x0001,
+ LOOKUPFLAG_IgnoreBaseGlyphs = 0x0002,
+ LOOKUPFLAG_IgnoreLigatures = 0x0004,
+ LOOKUPFLAG_IgnoreMarks = 0x0008,
+ LOOKUPFLAG_Reserved = 0x00F0,
+ LOOKUPFLAG_MarkAttachmentType = 0xFF00,
+ };
+ struct TCoverageFormatBase {
+ TCoverageFormatBase() : CoverageFormat(0) {}
+ explicit TCoverageFormatBase(uint16_t format) : CoverageFormat(format) {}
+ virtual ~TCoverageFormatBase() {}
+
+ uint16_t CoverageFormat;
+ CFX_GlyphMap m_glyphMap;
+
+ private:
+ TCoverageFormatBase(const TCoverageFormatBase&);
+ TCoverageFormatBase& operator=(const TCoverageFormatBase&);
+ };
+ struct TCoverageFormat1 : public TCoverageFormatBase {
+ TCoverageFormat1();
+ ~TCoverageFormat1() override;
+
+ uint16_t GlyphCount;
+ std::unique_ptr<uint16_t[]> GlyphArray;
+
+ private:
+ TCoverageFormat1(const TCoverageFormat1&);
+ TCoverageFormat1& operator=(const TCoverageFormat1&);
+ };
+ struct TRangeRecord {
+ TRangeRecord();
+
+ friend bool operator>(const TRangeRecord& r1, const TRangeRecord& r2) {
+ return r1.Start > r2.Start;
+ }
+
+ uint16_t Start;
+ uint16_t End;
+ uint16_t StartCoverageIndex;
+
+ private:
+ TRangeRecord(const TRangeRecord&);
+ };
+ struct TCoverageFormat2 : public TCoverageFormatBase {
+ TCoverageFormat2();
+ ~TCoverageFormat2() override;
+
+ uint16_t RangeCount;
+ std::unique_ptr<TRangeRecord[]> RangeRecord;
+
+ private:
+ TCoverageFormat2(const TCoverageFormat2&);
+ TCoverageFormat2& operator=(const TCoverageFormat2&);
+ };
+ struct TDevice {
+ TDevice() : StartSize(0), EndSize(0), DeltaFormat(0) {}
+
+ uint16_t StartSize;
+ uint16_t EndSize;
+ uint16_t DeltaFormat;
+
+ private:
+ TDevice(const TDevice&);
+ TDevice& operator=(const TDevice&);
+ };
+ struct TSubTableBase {
+ TSubTableBase() : SubstFormat(0) {}
+ explicit TSubTableBase(uint16_t format) : SubstFormat(format) {}
+ virtual ~TSubTableBase() {}
+
+ uint16_t SubstFormat;
+
+ private:
+ TSubTableBase(const TSubTableBase&);
+ TSubTableBase& operator=(const TSubTableBase&);
+ };
+ struct TSingleSubstFormat1 : public TSubTableBase {
+ TSingleSubstFormat1();
+ ~TSingleSubstFormat1() override;
+
+ std::unique_ptr<TCoverageFormatBase> Coverage;
+ int16_t DeltaGlyphID;
+
+ private:
+ TSingleSubstFormat1(const TSingleSubstFormat1&);
+ TSingleSubstFormat1& operator=(const TSingleSubstFormat1&);
+ };
+ struct TSingleSubstFormat2 : public TSubTableBase {
+ TSingleSubstFormat2();
+ ~TSingleSubstFormat2() override;
+
+ std::unique_ptr<TCoverageFormatBase> Coverage;
+ uint16_t GlyphCount;
+ std::unique_ptr<uint16_t[]> Substitute;
+
+ private:
+ TSingleSubstFormat2(const TSingleSubstFormat2&);
+ TSingleSubstFormat2& operator=(const TSingleSubstFormat2&);
+ };
+ struct TLookup {
+ TLookup();
+ ~TLookup();
+
+ uint16_t LookupType;
+ uint16_t LookupFlag;
+ uint16_t SubTableCount;
+ std::unique_ptr<TSubTableBase* []> SubTable;
+
+ private:
+ TLookup(const TLookup&);
+ TLookup& operator=(const TLookup&);
+ };
+ struct TLookupList {
+ TLookupList();
+ ~TLookupList();
+
+ int LookupCount;
+ std::unique_ptr<TLookup[]> Lookup;
+
+ private:
+ TLookupList(const TLookupList&);
+ TLookupList& operator=(const TLookupList&);
+ };
+
+ bool Parse(FT_Bytes scriptlist, FT_Bytes featurelist, FT_Bytes lookuplist);
+ void ParseScriptList(FT_Bytes raw, TScriptList* rec);
+ void ParseScript(FT_Bytes raw, TScript* rec);
+ void ParseLangSys(FT_Bytes raw, TLangSys* rec);
+ void ParseFeatureList(FT_Bytes raw, TFeatureList* rec);
+ void ParseFeature(FT_Bytes raw, TFeature* rec);
+ void ParseLookupList(FT_Bytes raw, TLookupList* rec);
+ void ParseLookup(FT_Bytes raw, TLookup* rec);
+ TCoverageFormatBase* ParseCoverage(FT_Bytes raw);
+ void ParseCoverageFormat1(FT_Bytes raw, TCoverageFormat1* rec);
+ void ParseCoverageFormat2(FT_Bytes raw, TCoverageFormat2* rec);
+ void ParseSingleSubst(FT_Bytes raw, TSubTableBase** rec);
+ void ParseSingleSubstFormat1(FT_Bytes raw, TSingleSubstFormat1* rec);
+ void ParseSingleSubstFormat2(FT_Bytes raw, TSingleSubstFormat2* rec);
+
+ bool GetVerticalGlyphSub(uint32_t glyphnum,
+ uint32_t* vglyphnum,
+ TFeature* Feature) const;
+ bool GetVerticalGlyphSub2(uint32_t glyphnum,
+ uint32_t* vglyphnum,
+ TLookup* Lookup) const;
+ int GetCoverageIndex(TCoverageFormatBase* Coverage, uint32_t g) const;
+
+ uint8_t GetUInt8(FT_Bytes& p) const;
+ int16_t GetInt16(FT_Bytes& p) const;
+ uint16_t GetUInt16(FT_Bytes& p) const;
+ int32_t GetInt32(FT_Bytes& p) const;
+ uint32_t GetUInt32(FT_Bytes& p) const;
+
+ std::map<uint32_t, uint32_t> m_featureMap;
+ FX_BOOL m_bFeautureMapLoad;
+ bool loaded;
+ tt_gsub_header header;
+ TScriptList ScriptList;
+ TFeatureList FeatureList;
+ TLookupList LookupList;
+};
+
+#endif // CORE_FPDFAPI_FONT_TTGSUBTABLE_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 21:36:38 +0000