diff options
Diffstat (limited to 'core/fxge/ge/fx_ge_fontmap.cpp')
| -rw-r--r-- | core/fxge/ge/fx_ge_fontmap.cpp | 1623 |
1 files changed, 1623 insertions, 0 deletions
diff --git a/core/fxge/ge/fx_ge_fontmap.cpp b/core/fxge/ge/fx_ge_fontmap.cpp new file mode 100644 index 0000000000..1dc61a210f --- /dev/null +++ b/core/fxge/ge/fx_ge_fontmap.cpp @@ -0,0 +1,1623 @@ +// 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 <algorithm> +#include <limits> +#include <vector> + +#include "core/fxge/fontdata/chromefontdata/chromefontdata.h" +#include "core/fxge/ge/fx_text_int.h" +#include "core/include/fxge/fx_freetype.h" +#include "core/include/fxge/fx_ge.h" +#include "third_party/base/stl_util.h" + +#define GET_TT_SHORT(w) (FX_WORD)(((w)[0] << 8) | (w)[1]) +#define GET_TT_LONG(w) \ + (FX_DWORD)(((w)[0] << 24) | ((w)[1] << 16) | ((w)[2] << 8) | (w)[3]) + +#define FX_FONT_STYLE_None 0x00 +#define FX_FONT_STYLE_Bold 0x01 +#define FX_FONT_STYLE_Italic 0x02 +#define FX_FONT_STYLE_BoldBold 0x04 + +namespace { + +struct BuiltinFont { + const uint8_t* m_pFontData; + FX_DWORD m_dwSize; +}; + +const BuiltinFont g_FoxitFonts[14] = { + {g_FoxitFixedFontData, 17597}, + {g_FoxitFixedBoldFontData, 18055}, + {g_FoxitFixedBoldItalicFontData, 19151}, + {g_FoxitFixedItalicFontData, 18746}, + {g_FoxitSansFontData, 15025}, + {g_FoxitSansBoldFontData, 16344}, + {g_FoxitSansBoldItalicFontData, 16418}, + {g_FoxitSansItalicFontData, 16339}, + {g_FoxitSerifFontData, 19469}, + {g_FoxitSerifBoldFontData, 19395}, + {g_FoxitSerifBoldItalicFontData, 20733}, + {g_FoxitSerifItalicFontData, 21227}, + {g_FoxitSymbolFontData, 16729}, + {g_FoxitDingbatsFontData, 29513}, +}; + +const BuiltinFont g_MMFonts[2] = { + {g_FoxitSerifMMFontData, 113417}, + {g_FoxitSansMMFontData, 66919}, +}; + +const FX_CHAR* const g_Base14FontNames[14] = { + "Courier", + "Courier-Bold", + "Courier-BoldOblique", + "Courier-Oblique", + "Helvetica", + "Helvetica-Bold", + "Helvetica-BoldOblique", + "Helvetica-Oblique", + "Times-Roman", + "Times-Bold", + "Times-BoldItalic", + "Times-Italic", + "Symbol", + "ZapfDingbats", +}; + +const struct AltFontName { + const FX_CHAR* m_pName; + int m_Index; +} g_AltFontNames[] = { + {"Arial", 4}, + {"Arial,Bold", 5}, + {"Arial,BoldItalic", 6}, + {"Arial,Italic", 7}, + {"Arial-Bold", 5}, + {"Arial-BoldItalic", 6}, + {"Arial-BoldItalicMT", 6}, + {"Arial-BoldMT", 5}, + {"Arial-Italic", 7}, + {"Arial-ItalicMT", 7}, + {"ArialBold", 5}, + {"ArialBoldItalic", 6}, + {"ArialItalic", 7}, + {"ArialMT", 4}, + {"ArialMT,Bold", 5}, + {"ArialMT,BoldItalic", 6}, + {"ArialMT,Italic", 7}, + {"ArialRoundedMTBold", 5}, + {"Courier", 0}, + {"Courier,Bold", 1}, + {"Courier,BoldItalic", 2}, + {"Courier,Italic", 3}, + {"Courier-Bold", 1}, + {"Courier-BoldOblique", 2}, + {"Courier-Oblique", 3}, + {"CourierBold", 1}, + {"CourierBoldItalic", 2}, + {"CourierItalic", 3}, + {"CourierNew", 0}, + {"CourierNew,Bold", 1}, + {"CourierNew,BoldItalic", 2}, + {"CourierNew,Italic", 3}, + {"CourierNew-Bold", 1}, + {"CourierNew-BoldItalic", 2}, + {"CourierNew-Italic", 3}, + {"CourierNewBold", 1}, + {"CourierNewBoldItalic", 2}, + {"CourierNewItalic", 3}, + {"CourierNewPS-BoldItalicMT", 2}, + {"CourierNewPS-BoldMT", 1}, + {"CourierNewPS-ItalicMT", 3}, + {"CourierNewPSMT", 0}, + {"CourierStd", 0}, + {"CourierStd-Bold", 1}, + {"CourierStd-BoldOblique", 2}, + {"CourierStd-Oblique", 3}, + {"Helvetica", 4}, + {"Helvetica,Bold", 5}, + {"Helvetica,BoldItalic", 6}, + {"Helvetica,Italic", 7}, + {"Helvetica-Bold", 5}, + {"Helvetica-BoldItalic", 6}, + {"Helvetica-BoldOblique", 6}, + {"Helvetica-Italic", 7}, + {"Helvetica-Oblique", 7}, + {"HelveticaBold", 5}, + {"HelveticaBoldItalic", 6}, + {"HelveticaItalic", 7}, + {"Symbol", 12}, + {"SymbolMT", 12}, + {"Times-Bold", 9}, + {"Times-BoldItalic", 10}, + {"Times-Italic", 11}, + {"Times-Roman", 8}, + {"TimesBold", 9}, + {"TimesBoldItalic", 10}, + {"TimesItalic", 11}, + {"TimesNewRoman", 8}, + {"TimesNewRoman,Bold", 9}, + {"TimesNewRoman,BoldItalic", 10}, + {"TimesNewRoman,Italic", 11}, + {"TimesNewRoman-Bold", 9}, + {"TimesNewRoman-BoldItalic", 10}, + {"TimesNewRoman-Italic", 11}, + {"TimesNewRomanBold", 9}, + {"TimesNewRomanBoldItalic", 10}, + {"TimesNewRomanItalic", 11}, + {"TimesNewRomanPS", 8}, + {"TimesNewRomanPS-Bold", 9}, + {"TimesNewRomanPS-BoldItalic", 10}, + {"TimesNewRomanPS-BoldItalicMT", 10}, + {"TimesNewRomanPS-BoldMT", 9}, + {"TimesNewRomanPS-Italic", 11}, + {"TimesNewRomanPS-ItalicMT", 11}, + {"TimesNewRomanPSMT", 8}, + {"TimesNewRomanPSMT,Bold", 9}, + {"TimesNewRomanPSMT,BoldItalic", 10}, + {"TimesNewRomanPSMT,Italic", 11}, + {"ZapfDingbats", 13}, +}; + +const struct { + const FX_CHAR* m_pName; + const FX_CHAR* m_pSubstName; +} Base14Substs[] = { + {"Courier", "Courier New"}, + {"Courier-Bold", "Courier New Bold"}, + {"Courier-BoldOblique", "Courier New Bold Italic"}, + {"Courier-Oblique", "Courier New Italic"}, + {"Helvetica", "Arial"}, + {"Helvetica-Bold", "Arial Bold"}, + {"Helvetica-BoldOblique", "Arial Bold Italic"}, + {"Helvetica-Oblique", "Arial Italic"}, + {"Times-Roman", "Times New Roman"}, + {"Times-Bold", "Times New Roman Bold"}, + {"Times-BoldItalic", "Times New Roman Bold Italic"}, + {"Times-Italic", "Times New Roman Italic"}, +}; + +const struct AltFontFamily { + const FX_CHAR* m_pFontName; + const FX_CHAR* m_pFontFamily; +} g_AltFontFamilies[] = { + {"AGaramondPro", "Adobe Garamond Pro"}, + {"BankGothicBT-Medium", "BankGothic Md BT"}, + {"ForteMT", "Forte"}, +}; + +const struct FX_FontStyle { + const FX_CHAR* style; + int32_t len; +} g_FontStyles[] = { + {"Bold", 4}, {"Italic", 6}, {"BoldItalic", 10}, {"Reg", 3}, {"Regular", 7}, +}; + +const struct CODEPAGE_MAP { + FX_WORD codepage; + uint8_t charset; +} g_Codepage2CharsetTable[] = { + {0, 1}, {42, 2}, {437, 254}, {850, 255}, {874, 222}, + {932, 128}, {936, 134}, {949, 129}, {950, 136}, {1250, 238}, + {1251, 204}, {1252, 0}, {1253, 161}, {1254, 162}, {1255, 177}, + {1256, 178}, {1257, 186}, {1258, 163}, {1361, 130}, {10000, 77}, + {10001, 78}, {10002, 81}, {10003, 79}, {10004, 84}, {10005, 83}, + {10006, 85}, {10007, 89}, {10008, 80}, {10021, 87}, {10029, 88}, + {10081, 86}, +}; + +const FX_DWORD kTableNAME = FXDWORD_GET_MSBFIRST("name"); +const FX_DWORD kTableTTCF = FXDWORD_GET_MSBFIRST("ttcf"); + +int CompareFontFamilyString(const void* key, const void* element) { + CFX_ByteString str_key((const FX_CHAR*)key); + if (str_key.Find(((AltFontFamily*)element)->m_pFontName) != -1) { + return 0; + } + return FXSYS_stricmp((const FX_CHAR*)key, + ((AltFontFamily*)element)->m_pFontName); +} + +int CompareString(const void* key, const void* element) { + return FXSYS_stricmp((const FX_CHAR*)key, ((AltFontName*)element)->m_pName); +} + +CFX_ByteString KeyNameFromFace(const CFX_ByteString& face_name, + int weight, + FX_BOOL bItalic) { + CFX_ByteString key(face_name); + key += ','; + key += CFX_ByteString::FormatInteger(weight); + key += bItalic ? 'I' : 'N'; + return key; +} + +CFX_ByteString KeyNameFromSize(int ttc_size, FX_DWORD checksum) { + CFX_ByteString key; + key.Format("%d:%d", ttc_size, checksum); + return key; +} + +CFX_ByteString TT_NormalizeName(const FX_CHAR* family) { + CFX_ByteString norm(family); + norm.Remove(' '); + norm.Remove('-'); + norm.Remove(','); + int pos = norm.Find('+'); + if (pos > 0) { + norm = norm.Left(pos); + } + norm.MakeLower(); + return norm; +} + +CFX_ByteString FPDF_ReadStringFromFile(FXSYS_FILE* pFile, FX_DWORD size) { + CFX_ByteString buffer; + if (!FXSYS_fread(buffer.GetBuffer(size), size, 1, pFile)) { + return CFX_ByteString(); + } + buffer.ReleaseBuffer(size); + return buffer; +} + +CFX_ByteString FPDF_LoadTableFromTT(FXSYS_FILE* pFile, + const uint8_t* pTables, + FX_DWORD nTables, + FX_DWORD tag) { + for (FX_DWORD i = 0; i < nTables; i++) { + const uint8_t* p = pTables + i * 16; + if (GET_TT_LONG(p) == tag) { + FX_DWORD offset = GET_TT_LONG(p + 8); + FX_DWORD size = GET_TT_LONG(p + 12); + FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET); + return FPDF_ReadStringFromFile(pFile, size); + } + } + return CFX_ByteString(); +} + +uint8_t GetCharsetFromCodePage(FX_WORD codepage) { + const CODEPAGE_MAP* pEnd = + g_Codepage2CharsetTable + FX_ArraySize(g_Codepage2CharsetTable); + const CODEPAGE_MAP* pCharmap = + std::lower_bound(g_Codepage2CharsetTable, pEnd, codepage, + [](const CODEPAGE_MAP& charset, FX_WORD page) { + return charset.codepage < page; + }); + if (pCharmap < pEnd && codepage == pCharmap->codepage) + return pCharmap->charset; + return 1; +} + +CFX_ByteString GetFontFamily(CFX_ByteString fontName, int nStyle) { + if (fontName.Find("Script") >= 0) { + if ((nStyle & FX_FONT_STYLE_Bold) == FX_FONT_STYLE_Bold) { + fontName = "ScriptMTBold"; + } else if (fontName.Find("Palace") >= 0) { + fontName = "PalaceScriptMT"; + } else if (fontName.Find("French") >= 0) { + fontName = "FrenchScriptMT"; + } else if (fontName.Find("FreeStyle") >= 0) { + fontName = "FreeStyleScript"; + } + return fontName; + } + AltFontFamily* found = (AltFontFamily*)FXSYS_bsearch( + fontName.c_str(), g_AltFontFamilies, + sizeof g_AltFontFamilies / sizeof(AltFontFamily), sizeof(AltFontFamily), + CompareFontFamilyString); + return found ? CFX_ByteString(found->m_pFontFamily) : fontName; +} + +CFX_ByteString ParseStyle(const FX_CHAR* pStyle, int iLen, int iIndex) { + CFX_ByteTextBuf buf; + if (!iLen || iLen <= iIndex) { + return buf.GetByteString(); + } + while (iIndex < iLen) { + if (pStyle[iIndex] == ',') { + break; + } + buf.AppendChar(pStyle[iIndex]); + ++iIndex; + } + return buf.GetByteString(); +} + +int32_t GetStyleType(const CFX_ByteString& bsStyle, FX_BOOL bRevert) { + int32_t iLen = bsStyle.GetLength(); + if (!iLen) { + return -1; + } + int iSize = sizeof(g_FontStyles) / sizeof(FX_FontStyle); + const FX_FontStyle* pStyle = NULL; + for (int i = iSize - 1; i >= 0; --i) { + pStyle = g_FontStyles + i; + if (!pStyle || pStyle->len > iLen) { + continue; + } + if (!bRevert) { + if (bsStyle.Left(pStyle->len).Compare(pStyle->style) == 0) { + return i; + } + } else { + if (bsStyle.Right(pStyle->len).Compare(pStyle->style) == 0) { + return i; + } + } + } + return -1; +} + +FX_BOOL CheckSupportThirdPartFont(CFX_ByteString name, int& PitchFamily) { + if (name == "MyriadPro") { + PitchFamily &= ~FXFONT_FF_ROMAN; + return TRUE; + } + return FALSE; +} + +FX_DWORD GetCharset(int charset) { + switch (charset) { + case FXFONT_SHIFTJIS_CHARSET: + return CHARSET_FLAG_SHIFTJIS; + case FXFONT_GB2312_CHARSET: + return CHARSET_FLAG_GB; + case FXFONT_CHINESEBIG5_CHARSET: + return CHARSET_FLAG_BIG5; + case FXFONT_HANGEUL_CHARSET: + return CHARSET_FLAG_KOREAN; + case FXFONT_SYMBOL_CHARSET: + return CHARSET_FLAG_SYMBOL; + case FXFONT_ANSI_CHARSET: + return CHARSET_FLAG_ANSI; + default: + break; + } + return 0; +} + +int32_t GetSimilarValue(int weight, + FX_BOOL bItalic, + int pitch_family, + FX_DWORD style) { + int32_t iSimilarValue = 0; + if (!!(style & FXFONT_BOLD) == (weight > 400)) { + iSimilarValue += 16; + } + if (!!(style & FXFONT_ITALIC) == bItalic) { + iSimilarValue += 16; + } + if (!!(style & FXFONT_SERIF) == !!(pitch_family & FXFONT_FF_ROMAN)) { + iSimilarValue += 16; + } + if (!!(style & FXFONT_SCRIPT) == !!(pitch_family & FXFONT_FF_SCRIPT)) { + iSimilarValue += 8; + } + if (!!(style & FXFONT_FIXED_PITCH) == + !!(pitch_family & FXFONT_FF_FIXEDPITCH)) { + iSimilarValue += 8; + } + return iSimilarValue; +} + +} // namespace + +CFX_SubstFont::CFX_SubstFont() { + m_ExtHandle = NULL; + m_Charset = 0; + m_SubstFlags = 0; + m_Weight = 0; + m_ItalicAngle = 0; + m_bSubstOfCJK = FALSE; + m_WeightCJK = 0; + m_bItlicCJK = FALSE; +} +CTTFontDesc::~CTTFontDesc() { + if (m_Type == 1) { + if (m_SingleFace.m_pFace) { + FXFT_Done_Face(m_SingleFace.m_pFace); + } + } else if (m_Type == 2) { + for (int i = 0; i < 16; i++) + if (m_TTCFace.m_pFaces[i]) { + FXFT_Done_Face(m_TTCFace.m_pFaces[i]); + } + } + FX_Free(m_pFontData); +} +int CTTFontDesc::ReleaseFace(FXFT_Face face) { + if (m_Type == 1) { + if (m_SingleFace.m_pFace != face) { + return -1; + } + } else if (m_Type == 2) { + int i; + for (i = 0; i < 16; i++) + if (m_TTCFace.m_pFaces[i] == face) { + break; + } + if (i == 16) { + return -1; + } + } + m_RefCount--; + if (m_RefCount) { + return m_RefCount; + } + delete this; + return 0; +} + +CFX_FontMgr::CFX_FontMgr() : m_FTLibrary(nullptr) { + m_pBuiltinMapper.reset(new CFX_FontMapper(this)); +} + +CFX_FontMgr::~CFX_FontMgr() { + for (const auto& pair : m_FaceMap) + delete pair.second; + + // |m_pBuiltinMapper| references |m_FTLibrary|, so it has to be destroyed + // first. + m_pBuiltinMapper.reset(); + FXFT_Done_FreeType(m_FTLibrary); +} + +void CFX_FontMgr::InitFTLibrary() { + if (m_FTLibrary) + return; + FXFT_Init_FreeType(&m_FTLibrary); +} + +void CFX_FontMgr::SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo) { + m_pBuiltinMapper->SetSystemFontInfo(pFontInfo); +} + +FXFT_Face CFX_FontMgr::FindSubstFont(const CFX_ByteString& face_name, + FX_BOOL bTrueType, + FX_DWORD flags, + int weight, + int italic_angle, + int CharsetCP, + CFX_SubstFont* pSubstFont) { + InitFTLibrary(); + return m_pBuiltinMapper->FindSubstFont(face_name, bTrueType, flags, weight, + italic_angle, CharsetCP, pSubstFont); +} + +FXFT_Face CFX_FontMgr::GetCachedFace(const CFX_ByteString& face_name, + int weight, + FX_BOOL bItalic, + uint8_t*& pFontData) { + auto it = m_FaceMap.find(KeyNameFromFace(face_name, weight, bItalic)); + if (it == m_FaceMap.end()) + return nullptr; + + CTTFontDesc* pFontDesc = it->second; + pFontData = pFontDesc->m_pFontData; + pFontDesc->m_RefCount++; + return pFontDesc->m_SingleFace.m_pFace; +} +FXFT_Face CFX_FontMgr::AddCachedFace(const CFX_ByteString& face_name, + int weight, + FX_BOOL bItalic, + uint8_t* pData, + FX_DWORD size, + int face_index) { + CTTFontDesc* pFontDesc = new CTTFontDesc; + pFontDesc->m_Type = 1; + pFontDesc->m_SingleFace.m_pFace = NULL; + pFontDesc->m_SingleFace.m_bBold = weight; + pFontDesc->m_SingleFace.m_bItalic = bItalic; + pFontDesc->m_pFontData = pData; + pFontDesc->m_RefCount = 1; + + InitFTLibrary(); + FXFT_Library library = m_FTLibrary; + int ret = FXFT_New_Memory_Face(library, pData, size, face_index, + &pFontDesc->m_SingleFace.m_pFace); + if (ret) { + delete pFontDesc; + return NULL; + } + ret = FXFT_Set_Pixel_Sizes(pFontDesc->m_SingleFace.m_pFace, 64, 64); + if (ret) { + delete pFontDesc; + return NULL; + } + m_FaceMap[KeyNameFromFace(face_name, weight, bItalic)] = pFontDesc; + return pFontDesc->m_SingleFace.m_pFace; +} + +int GetTTCIndex(const uint8_t* pFontData, + FX_DWORD ttc_size, + FX_DWORD font_offset) { + int face_index = 0; + const uint8_t* p = pFontData + 8; + FX_DWORD nfont = GET_TT_LONG(p); + FX_DWORD index; + for (index = 0; index < nfont; index++) { + p = pFontData + 12 + index * 4; + if (GET_TT_LONG(p) == font_offset) { + break; + } + } + if (index >= nfont) { + face_index = 0; + } else { + face_index = index; + } + return face_index; +} +FXFT_Face CFX_FontMgr::GetCachedTTCFace(int ttc_size, + FX_DWORD checksum, + int font_offset, + uint8_t*& pFontData) { + auto it = m_FaceMap.find(KeyNameFromSize(ttc_size, checksum)); + if (it == m_FaceMap.end()) + return nullptr; + + CTTFontDesc* pFontDesc = it->second; + pFontData = pFontDesc->m_pFontData; + pFontDesc->m_RefCount++; + int face_index = GetTTCIndex(pFontDesc->m_pFontData, ttc_size, font_offset); + if (!pFontDesc->m_TTCFace.m_pFaces[face_index]) { + pFontDesc->m_TTCFace.m_pFaces[face_index] = + GetFixedFace(pFontDesc->m_pFontData, ttc_size, face_index); + } + return pFontDesc->m_TTCFace.m_pFaces[face_index]; +} +FXFT_Face CFX_FontMgr::AddCachedTTCFace(int ttc_size, + FX_DWORD checksum, + uint8_t* pData, + FX_DWORD size, + int font_offset) { + CTTFontDesc* pFontDesc = new CTTFontDesc; + pFontDesc->m_Type = 2; + pFontDesc->m_pFontData = pData; + for (int i = 0; i < 16; i++) { + pFontDesc->m_TTCFace.m_pFaces[i] = NULL; + } + pFontDesc->m_RefCount++; + m_FaceMap[KeyNameFromSize(ttc_size, checksum)] = pFontDesc; + int face_index = GetTTCIndex(pFontDesc->m_pFontData, ttc_size, font_offset); + pFontDesc->m_TTCFace.m_pFaces[face_index] = + GetFixedFace(pFontDesc->m_pFontData, ttc_size, face_index); + return pFontDesc->m_TTCFace.m_pFaces[face_index]; +} + +FXFT_Face CFX_FontMgr::GetFixedFace(const uint8_t* pData, + FX_DWORD size, + int face_index) { + InitFTLibrary(); + FXFT_Library library = m_FTLibrary; + FXFT_Face face = nullptr; + if (FXFT_New_Memory_Face(library, pData, size, face_index, &face)) + return nullptr; + return FXFT_Set_Pixel_Sizes(face, 64, 64) ? nullptr : face; +} + +FXFT_Face CFX_FontMgr::GetFileFace(const FX_CHAR* filename, int face_index) { + InitFTLibrary(); + FXFT_Library library = m_FTLibrary; + FXFT_Face face = nullptr; + if (FXFT_New_Face(library, filename, face_index, &face)) + return nullptr; + return FXFT_Set_Pixel_Sizes(face, 64, 64) ? nullptr : face; +} + +void CFX_FontMgr::ReleaseFace(FXFT_Face face) { + if (!face) { + return; + } + FX_BOOL bNeedFaceDone = TRUE; + auto it = m_FaceMap.begin(); + while (it != m_FaceMap.end()) { + auto temp = it++; + int nRet = temp->second->ReleaseFace(face); + if (nRet == -1) + continue; + bNeedFaceDone = FALSE; + if (nRet == 0) + m_FaceMap.erase(temp); + break; + } + if (bNeedFaceDone && !m_pBuiltinMapper->IsBuiltinFace(face)) + FXFT_Done_Face(face); +} + +bool CFX_FontMgr::GetBuiltinFont(size_t index, + const uint8_t** pFontData, + FX_DWORD* size) { + if (index < FX_ArraySize(g_FoxitFonts)) { + *pFontData = g_FoxitFonts[index].m_pFontData; + *size = g_FoxitFonts[index].m_dwSize; + return true; + } + index -= FX_ArraySize(g_FoxitFonts); + if (index < FX_ArraySize(g_MMFonts)) { + *pFontData = g_MMFonts[index].m_pFontData; + *size = g_MMFonts[index].m_dwSize; + return true; + } + return false; +} + +CFX_FontMapper::CFX_FontMapper(CFX_FontMgr* mgr) + : m_bListLoaded(FALSE), + m_pFontInfo(nullptr), + m_pFontEnumerator(nullptr), + m_pFontMgr(mgr) { + m_MMFaces[0] = nullptr; + m_MMFaces[1] = nullptr; + FXSYS_memset(m_FoxitFaces, 0, sizeof(m_FoxitFaces)); +} +CFX_FontMapper::~CFX_FontMapper() { + for (size_t i = 0; i < FX_ArraySize(m_FoxitFaces); ++i) { + if (m_FoxitFaces[i]) + FXFT_Done_Face(m_FoxitFaces[i]); + } + if (m_MMFaces[0]) { + FXFT_Done_Face(m_MMFaces[0]); + } + if (m_MMFaces[1]) { + FXFT_Done_Face(m_MMFaces[1]); + } + if (m_pFontInfo) { + m_pFontInfo->Release(); + } +} +void CFX_FontMapper::SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo) { + if (!pFontInfo) { + return; + } + if (m_pFontInfo) { + m_pFontInfo->Release(); + } + m_pFontInfo = pFontInfo; +} + +CFX_ByteString GetNameFromTT(const uint8_t* name_table, FX_DWORD name_id) { + const uint8_t* ptr = name_table + 2; + int name_count = GET_TT_SHORT(ptr); + int string_offset = GET_TT_SHORT(ptr + 2); + const uint8_t* string_ptr = name_table + string_offset; + ptr += 4; + for (int i = 0; i < name_count; i++) { + if (GET_TT_SHORT(ptr + 6) == name_id && GET_TT_SHORT(ptr) == 1 && + GET_TT_SHORT(ptr + 2) == 0) { + return CFX_ByteStringC(string_ptr + GET_TT_SHORT(ptr + 10), + GET_TT_SHORT(ptr + 8)); + } + ptr += 12; + } + return CFX_ByteString(); +} + +CFX_ByteString CFX_FontMapper::GetPSNameFromTT(void* hFont) { + if (!m_pFontInfo) + return CFX_ByteString(); + + FX_DWORD size = m_pFontInfo->GetFontData(hFont, kTableNAME, nullptr, 0); + if (!size) + return CFX_ByteString(); + + std::vector<uint8_t> buffer(size); + uint8_t* buffer_ptr = buffer.data(); + FX_DWORD bytes_read = + m_pFontInfo->GetFontData(hFont, kTableNAME, buffer_ptr, size); + return (bytes_read == size) ? GetNameFromTT(buffer_ptr, 6) : CFX_ByteString(); +} + +void CFX_FontMapper::AddInstalledFont(const CFX_ByteString& name, int charset) { + if (!m_pFontInfo) { + return; + } + if (m_CharsetArray.Find((FX_DWORD)charset) == -1) { + m_CharsetArray.Add((FX_DWORD)charset); + m_FaceArray.push_back(name); + } + if (name == m_LastFamily) { + return; + } + const uint8_t* ptr = name; + FX_BOOL bLocalized = FALSE; + for (int i = 0; i < name.GetLength(); i++) + if (ptr[i] > 0x80) { + bLocalized = TRUE; + break; + } + if (bLocalized) { + void* hFont = m_pFontInfo->GetFont(name); + if (!hFont) { + int iExact; + hFont = + m_pFontInfo->MapFont(0, 0, FXFONT_DEFAULT_CHARSET, 0, name, iExact); + if (!hFont) { + return; + } + } + CFX_ByteString new_name = GetPSNameFromTT(hFont); + if (!new_name.IsEmpty()) { + new_name.Insert(0, ' '); + m_InstalledTTFonts.push_back(new_name); + } + m_pFontInfo->DeleteFont(hFont); + } + m_InstalledTTFonts.push_back(name); + m_LastFamily = name; +} +void CFX_FontMapper::LoadInstalledFonts() { + if (!m_pFontInfo) { + return; + } + if (m_bListLoaded) { + return; + } + if (m_bListLoaded) { + return; + } + m_pFontInfo->EnumFontList(this); + m_bListLoaded = TRUE; +} +CFX_ByteString CFX_FontMapper::MatchInstalledFonts( + const CFX_ByteString& norm_name) { + LoadInstalledFonts(); + int i; + for (i = pdfium::CollectionSize<int>(m_InstalledTTFonts) - 1; i >= 0; i--) { + CFX_ByteString norm1 = TT_NormalizeName(m_InstalledTTFonts[i]); + if (norm1 == norm_name) { + break; + } + } + if (i < 0) { + return CFX_ByteString(); + } + CFX_ByteString match = m_InstalledTTFonts[i]; + if (match[0] == ' ') { + match = m_InstalledTTFonts[i + 1]; + } + return match; +} + +FXFT_Face CFX_FontMapper::UseInternalSubst(CFX_SubstFont* pSubstFont, + int iBaseFont, + int italic_angle, + int weight, + int picthfamily) { + if (iBaseFont < 12) { + if (m_FoxitFaces[iBaseFont]) { + return m_FoxitFaces[iBaseFont]; + } + const uint8_t* pFontData = NULL; + FX_DWORD size = 0; + if (m_pFontMgr->GetBuiltinFont(iBaseFont, &pFontData, &size)) { + m_FoxitFaces[iBaseFont] = m_pFontMgr->GetFixedFace(pFontData, size, 0); + return m_FoxitFaces[iBaseFont]; + } + } + pSubstFont->m_SubstFlags |= FXFONT_SUBST_MM; + pSubstFont->m_ItalicAngle = italic_angle; + if (weight) { + pSubstFont->m_Weight = weight; + } + if (picthfamily & FXFONT_FF_ROMAN) { + pSubstFont->m_Weight = pSubstFont->m_Weight * 4 / 5; + pSubstFont->m_Family = "Chrome Serif"; + if (m_MMFaces[1]) { + return m_MMFaces[1]; + } + const uint8_t* pFontData = NULL; + FX_DWORD size = 0; + m_pFontMgr->GetBuiltinFont(14, &pFontData, &size); + m_MMFaces[1] = m_pFontMgr->GetFixedFace(pFontData, size, 0); + return m_MMFaces[1]; + } + pSubstFont->m_Family = "Chrome Sans"; + if (m_MMFaces[0]) { + return m_MMFaces[0]; + } + const uint8_t* pFontData = NULL; + FX_DWORD size = 0; + m_pFontMgr->GetBuiltinFont(15, &pFontData, &size); + m_MMFaces[0] = m_pFontMgr->GetFixedFace(pFontData, size, 0); + return m_MMFaces[0]; +} + +FXFT_Face CFX_FontMapper::FindSubstFont(const CFX_ByteString& name, + FX_BOOL bTrueType, + FX_DWORD flags, + int weight, + int italic_angle, + int WindowCP, + CFX_SubstFont* pSubstFont) { + if (!(flags & FXFONT_USEEXTERNATTR)) { + weight = FXFONT_FW_NORMAL; + italic_angle = 0; + } + CFX_ByteString SubstName = name; + SubstName.Remove(0x20); + if (bTrueType) { + if (name[0] == '@') { + SubstName = name.Mid(1); + } + } + PDF_GetStandardFontName(&SubstName); + if (SubstName == "Symbol" && !bTrueType) { + pSubstFont->m_Family = "Chrome Symbol"; + pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET; + pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD; + if (m_FoxitFaces[12]) { + return m_FoxitFaces[12]; + } + const uint8_t* pFontData = NULL; + FX_DWORD size = 0; + m_pFontMgr->GetBuiltinFont(12, &pFontData, &size); + m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0); + return m_FoxitFaces[12]; + } + if (SubstName == "ZapfDingbats") { + pSubstFont->m_Family = "Chrome Dingbats"; + pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET; + pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD; + if (m_FoxitFaces[13]) { + return m_FoxitFaces[13]; + } + const uint8_t* pFontData = NULL; + FX_DWORD size = 0; + m_pFontMgr->GetBuiltinFont(13, &pFontData, &size); + m_FoxitFaces[13] = m_pFontMgr->GetFixedFace(pFontData, size, 0); + return m_FoxitFaces[13]; + } + int iBaseFont = 0; + CFX_ByteString family, style; + FX_BOOL bHasComma = FALSE; + FX_BOOL bHasHypen = FALSE; + int find = SubstName.Find(",", 0); + if (find >= 0) { + family = SubstName.Left(find); + PDF_GetStandardFontName(&family); + style = SubstName.Mid(find + 1); + bHasComma = TRUE; + } else { + family = SubstName; + } + for (; iBaseFont < 12; iBaseFont++) + if (family == CFX_ByteStringC(g_Base14FontNames[iBaseFont])) { + break; + } + int PitchFamily = 0; + FX_BOOL bItalic = FALSE; + FX_DWORD nStyle = 0; + FX_BOOL bStyleAvail = FALSE; + if (iBaseFont < 12) { + family = g_Base14FontNames[iBaseFont]; + if ((iBaseFont % 4) == 1 || (iBaseFont % 4) == 2) { + nStyle |= FX_FONT_STYLE_Bold; + } + if ((iBaseFont % 4) / 2) { + nStyle |= FX_FONT_STYLE_Italic; + } + if (iBaseFont < 4) { + PitchFamily |= FXFONT_FF_FIXEDPITCH; + } + if (iBaseFont >= 8) { + PitchFamily |= FXFONT_FF_ROMAN; + } + } else { + if (!bHasComma) { + find = family.ReverseFind('-'); + if (find >= 0) { + style = family.Mid(find + 1); + family = family.Left(find); + bHasHypen = TRUE; + } + } + if (!bHasHypen) { + int nLen = family.GetLength(); + int32_t nRet = GetStyleType(family, TRUE); + if (nRet > -1) { + family = family.Left(nLen - g_FontStyles[nRet].len); + if (nRet == 0) { + nStyle |= FX_FONT_STYLE_Bold; + } + if (nRet == 1) { + nStyle |= FX_FONT_STYLE_Italic; + } + if (nRet == 2) { + nStyle |= (FX_FONT_STYLE_Bold | FX_FONT_STYLE_Italic); + } + } + } + if (flags & FXFONT_SERIF) { + PitchFamily |= FXFONT_FF_ROMAN; + } + if (flags & FXFONT_SCRIPT) { + PitchFamily |= FXFONT_FF_SCRIPT; + } + if (flags & FXFONT_FIXED_PITCH) { + PitchFamily |= FXFONT_FF_FIXEDPITCH; + } + } + if (!style.IsEmpty()) { + int nLen = style.GetLength(); + const FX_CHAR* pStyle = style; + int i = 0; + FX_BOOL bFirstItem = TRUE; + CFX_ByteString buf; + while (i < nLen) { + buf = ParseStyle(pStyle, nLen, i); + int32_t nRet = GetStyleType(buf, FALSE); + if ((i && !bStyleAvail) || (!i && nRet < 0)) { + family = SubstName; + iBaseFont = 12; + break; + } else if (nRet >= 0) { + bStyleAvail = TRUE; + } + if (nRet == 0) { + if (nStyle & FX_FONT_STYLE_Bold) { + nStyle |= FX_FONT_STYLE_BoldBold; + } else { + nStyle |= FX_FONT_STYLE_Bold; + } + bFirstItem = FALSE; + } + if (nRet == 1) { + if (bFirstItem) { + nStyle |= FX_FONT_STYLE_Italic; + } else { + family = SubstName; + iBaseFont = 12; + } + break; + } + if (nRet == 2) { + nStyle |= FX_FONT_STYLE_Italic; + if (nStyle & FX_FONT_STYLE_Bold) { + nStyle |= FX_FONT_STYLE_BoldBold; + } else { + nStyle |= FX_FONT_STYLE_Bold; + } + bFirstItem = FALSE; + } + i += buf.GetLength() + 1; + } + } + weight = weight ? weight : FXFONT_FW_NORMAL; + int old_weight = weight; + if (nStyle) { + weight = + nStyle & FX_FONT_STYLE_BoldBold + ? 900 + : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL); + } + if (nStyle & FX_FONT_STYLE_Italic) { + bItalic = TRUE; + } + FX_BOOL bCJK = FALSE; + int iExact = 0; + int Charset = FXFONT_ANSI_CHARSET; + if (WindowCP) { + Charset = GetCharsetFromCodePage(WindowCP); + } else if (iBaseFont == 12 && (flags & FXFONT_SYMBOLIC)) { + Charset = FXFONT_SYMBOL_CHARSET; + } + if (Charset == FXFONT_SHIFTJIS_CHARSET || Charset == FXFONT_GB2312_CHARSET || + Charset == FXFONT_HANGEUL_CHARSET || + Charset == FXFONT_CHINESEBIG5_CHARSET) { + bCJK = TRUE; + } + if (!m_pFontInfo) { + pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD; + return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, + PitchFamily); + } + family = GetFontFamily(family, nStyle); + CFX_ByteString match = MatchInstalledFonts(TT_NormalizeName(family)); + if (match.IsEmpty() && family != SubstName && + (!bHasComma && (!bHasHypen || (bHasHypen && !bStyleAvail)))) { + match = MatchInstalledFonts(TT_NormalizeName(SubstName)); + } + if (match.IsEmpty() && iBaseFont >= 12) { + if (!bCJK) { + if (!CheckSupportThirdPartFont(family, PitchFamily)) { + if (italic_angle != 0) { + bItalic = TRUE; + } else { + bItalic = FALSE; + } + weight = old_weight; + } + } else { + pSubstFont->m_bSubstOfCJK = TRUE; + if (nStyle) { + pSubstFont->m_WeightCJK = weight; + } else { + pSubstFont->m_WeightCJK = FXFONT_FW_NORMAL; + } + if (nStyle & FX_FONT_STYLE_Italic) { + pSubstFont->m_bItlicCJK = TRUE; + } + } + } else { + italic_angle = 0; + weight = + nStyle & FX_FONT_STYLE_BoldBold + ? 900 + : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL); + } + if (!match.IsEmpty() || iBaseFont < 12) { + if (!match.IsEmpty()) { + family = match; + } + if (iBaseFont < 12) { + if (nStyle && !(iBaseFont % 4)) { + if ((nStyle & 0x3) == 1) { + iBaseFont += 1; + } + if ((nStyle & 0x3) == 2) { + iBaseFont += 3; + } + if ((nStyle & 0x3) == 3) { + iBaseFont += 2; + } + } + family = g_Base14FontNames[iBaseFont]; + pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD; + } + } else { + if (flags & FXFONT_ITALIC) { + bItalic = TRUE; + } + } + iExact = !match.IsEmpty(); + void* hFont = m_pFontInfo->MapFont(weight, bItalic, Charset, PitchFamily, + family, iExact); + if (iExact) { + pSubstFont->m_SubstFlags |= FXFONT_SUBST_EXACT; + } + if (!hFont) { +#ifdef PDF_ENABLE_XFA + if (flags & FXFONT_EXACTMATCH) { + return NULL; + } +#endif // PDF_ENABLE_XFA + if (bCJK) { + if (italic_angle != 0) { + bItalic = TRUE; + } else { + bItalic = FALSE; + } + weight = old_weight; + } + if (!match.IsEmpty()) { + hFont = m_pFontInfo->GetFont(match); + if (!hFont) { + return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, + PitchFamily); + } + } else { + if (Charset == FXFONT_SYMBOL_CHARSET) { +#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \ + _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_ + if (SubstName == "Symbol") { + pSubstFont->m_Family = "Chrome Symbol"; + pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD; + pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET; + if (m_FoxitFaces[12]) { + return m_FoxitFaces[12]; + } + const uint8_t* pFontData = NULL; + FX_DWORD size = 0; + m_pFontMgr->GetBuiltinFont(12, &pFontData, &size); + m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0); + return m_FoxitFaces[12]; + } +#endif + pSubstFont->m_SubstFlags |= FXFONT_SUBST_NONSYMBOL; + return FindSubstFont(family, bTrueType, flags & ~FXFONT_SYMBOLIC, + weight, italic_angle, 0, pSubstFont); + } + if (Charset == FXFONT_ANSI_CHARSET) { + pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD; + return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, + PitchFamily); + } + int index = m_CharsetArray.Find(Charset); + if (index < 0) { + return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, + PitchFamily); + } + hFont = m_pFontInfo->GetFont(m_FaceArray[index]); + } + } + pSubstFont->m_ExtHandle = m_pFontInfo->RetainFont(hFont); + if (!hFont) + return nullptr; + + m_pFontInfo->GetFaceName(hFont, SubstName); + if (Charset == FXFONT_DEFAULT_CHARSET) { + m_pFontInfo->GetFontCharset(hFont, Charset); + } + FX_DWORD ttc_size = m_pFontInfo->GetFontData(hFont, kTableTTCF, nullptr, 0); + FX_DWORD font_size = m_pFontInfo->GetFontData(hFont, 0, nullptr, 0); + if (font_size == 0 && ttc_size == 0) { + m_pFontInfo->DeleteFont(hFont); + return nullptr; + } + FXFT_Face face = nullptr; + if (ttc_size) { + uint8_t temp[1024]; + m_pFontInfo->GetFontData(hFont, kTableTTCF, temp, 1024); + FX_DWORD checksum = 0; + for (int i = 0; i < 256; i++) { + checksum += ((FX_DWORD*)temp)[i]; + } + uint8_t* pFontData; + face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum, + ttc_size - font_size, pFontData); + if (!face) { + pFontData = FX_Alloc(uint8_t, ttc_size); + m_pFontInfo->GetFontData(hFont, kTableTTCF, pFontData, ttc_size); + face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData, + ttc_size, ttc_size - font_size); + } + } else { + uint8_t* pFontData; + face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData); + if (!face) { + pFontData = FX_Alloc(uint8_t, font_size); + m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size); + face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontData, + font_size, + m_pFontInfo->GetFaceIndex(hFont)); + } + } + if (!face) { + m_pFontInfo->DeleteFont(hFont); + return NULL; + } + pSubstFont->m_Family = SubstName; + pSubstFont->m_Charset = Charset; + FX_BOOL bNeedUpdateWeight = FALSE; + if (FXFT_Is_Face_Bold(face)) { + if (weight == FXFONT_FW_BOLD) { + bNeedUpdateWeight = FALSE; + } else { + bNeedUpdateWeight = TRUE; + } + } else { + if (weight == FXFONT_FW_NORMAL) { + bNeedUpdateWeight = FALSE; + } else { + bNeedUpdateWeight = TRUE; + } + } + if (bNeedUpdateWeight) { + pSubstFont->m_Weight = weight; + } + if (bItalic && !FXFT_Is_Face_Italic(face)) { + if (italic_angle == 0) { + italic_angle = -12; + } else if (FXSYS_abs(italic_angle) < 5) { + italic_angle = 0; + } + pSubstFont->m_ItalicAngle = italic_angle; + } + m_pFontInfo->DeleteFont(hFont); + return face; +} +#ifdef PDF_ENABLE_XFA +FXFT_Face CFX_FontMapper::FindSubstFontByUnicode(FX_DWORD dwUnicode, + FX_DWORD flags, + int weight, + int italic_angle) { + if (m_pFontInfo == NULL) { + return NULL; + } + FX_BOOL bItalic = (flags & FXFONT_ITALIC) != 0; + int PitchFamily = 0; + if (flags & FXFONT_SERIF) { + PitchFamily |= FXFONT_FF_ROMAN; + } + if (flags & FXFONT_SCRIPT) { + PitchFamily |= FXFONT_FF_SCRIPT; + } + if (flags & FXFONT_FIXED_PITCH) { + PitchFamily |= FXFONT_FF_FIXEDPITCH; + } + void* hFont = + m_pFontInfo->MapFontByUnicode(dwUnicode, weight, bItalic, PitchFamily); + if (hFont == NULL) { + return NULL; + } + FX_DWORD ttc_size = m_pFontInfo->GetFontData(hFont, 0x74746366, NULL, 0); + FX_DWORD font_size = m_pFontInfo->GetFontData(hFont, 0, NULL, 0); + if (font_size == 0 && ttc_size == 0) { + m_pFontInfo->DeleteFont(hFont); + return NULL; + } + FXFT_Face face = NULL; + if (ttc_size) { + uint8_t temp[1024]; + m_pFontInfo->GetFontData(hFont, 0x74746366, temp, 1024); + FX_DWORD checksum = 0; + for (int i = 0; i < 256; i++) { + checksum += ((FX_DWORD*)temp)[i]; + } + uint8_t* pFontData; + face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum, + ttc_size - font_size, pFontData); + if (face == NULL) { + pFontData = FX_Alloc(uint8_t, ttc_size); + if (pFontData) { + m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size); + face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData, + ttc_size, ttc_size - font_size); + } + } + } else { + CFX_ByteString SubstName; + m_pFontInfo->GetFaceName(hFont, SubstName); + uint8_t* pFontData; + face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData); + if (face == NULL) { + pFontData = FX_Alloc(uint8_t, font_size); + if (!pFontData) { + m_pFontInfo->DeleteFont(hFont); + return NULL; + } + m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size); + face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontData, + font_size, + m_pFontInfo->GetFaceIndex(hFont)); + } + } + m_pFontInfo->DeleteFont(hFont); + return face; +} + +void* IFX_SystemFontInfo::MapFontByUnicode(FX_DWORD dwUnicode, + int weight, + FX_BOOL bItalic, + int pitch_family) { + return nullptr; +} +#endif // PDF_ENABLE_XFA + +int IFX_SystemFontInfo::GetFaceIndex(void* hFont) { + return 0; +} + +void* IFX_SystemFontInfo::RetainFont(void* hFont) { + return NULL; +} + +int CFX_FontMapper::GetFaceSize() const { + return pdfium::CollectionSize<int>(m_FaceArray); +} + +FX_BOOL CFX_FontMapper::IsBuiltinFace(const FXFT_Face face) const { + for (int i = 0; i < MM_FACE_COUNT; ++i) { + if (m_MMFaces[i] == face) { + return TRUE; + } + } + for (int i = 0; i < FOXIT_FACE_COUNT; ++i) { + if (m_FoxitFaces[i] == face) { + return TRUE; + } + } + return FALSE; +} + +extern "C" { +unsigned long _FTStreamRead(FXFT_Stream stream, + unsigned long offset, + unsigned char* buffer, + unsigned long count); +void _FTStreamClose(FXFT_Stream stream); +}; + +#if _FX_OS_ == _FX_ANDROID_ +IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUnused) { + return NULL; +} +#endif + +CFX_FolderFontInfo::CFX_FolderFontInfo() {} +CFX_FolderFontInfo::~CFX_FolderFontInfo() { + for (const auto& pair : m_FontList) { + delete pair.second; + } +} +void CFX_FolderFontInfo::AddPath(const CFX_ByteStringC& path) { + m_PathList.push_back(path); +} +void CFX_FolderFontInfo::Release() { + delete this; +} +FX_BOOL CFX_FolderFontInfo::EnumFontList(CFX_FontMapper* pMapper) { + m_pMapper = pMapper; + for (const auto& path : m_PathList) { + ScanPath(path); + } + return TRUE; +} +void CFX_FolderFontInfo::ScanPath(const CFX_ByteString& path) { + void* handle = FX_OpenFolder(path); + if (!handle) { + return; + } + CFX_ByteString filename; + FX_BOOL bFolder; + while (FX_GetNextFile(handle, filename, bFolder)) { + if (bFolder) { + if (filename == "." || filename == "..") { + continue; + } + } else { + CFX_ByteString ext = filename.Right(4); + ext.MakeUpper(); + if (ext != ".TTF" && ext != ".OTF" && ext != ".TTC") { + continue; + } + } + CFX_ByteString fullpath = path; +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + fullpath += "\\"; +#else + fullpath += "/"; +#endif + fullpath += filename; + if (bFolder) { + ScanPath(fullpath); + } else { + ScanFile(fullpath); + } + } + FX_CloseFolder(handle); +} +void CFX_FolderFontInfo::ScanFile(const CFX_ByteString& path) { + FXSYS_FILE* pFile = FXSYS_fopen(path, "rb"); + if (!pFile) { + return; + } + FXSYS_fseek(pFile, 0, FXSYS_SEEK_END); + FX_DWORD filesize = FXSYS_ftell(pFile); + uint8_t buffer[16]; + FXSYS_fseek(pFile, 0, FXSYS_SEEK_SET); + size_t readCnt = FXSYS_fread(buffer, 12, 1, pFile); + if (readCnt != 1) { + FXSYS_fclose(pFile); + return; + } + + if (GET_TT_LONG(buffer) == kTableTTCF) { + FX_DWORD nFaces = GET_TT_LONG(buffer + 8); + if (nFaces > std::numeric_limits<FX_DWORD>::max() / 4) { + FXSYS_fclose(pFile); + return; + } + FX_DWORD face_bytes = nFaces * 4; + uint8_t* offsets = FX_Alloc(uint8_t, face_bytes); + readCnt = FXSYS_fread(offsets, 1, face_bytes, pFile); + if (readCnt != face_bytes) { + FX_Free(offsets); + FXSYS_fclose(pFile); + return; + } + for (FX_DWORD i = 0; i < nFaces; i++) { + uint8_t* p = offsets + i * 4; + ReportFace(path, pFile, filesize, GET_TT_LONG(p)); + } + FX_Free(offsets); + } else { + ReportFace(path, pFile, filesize, 0); + } + FXSYS_fclose(pFile); +} +void CFX_FolderFontInfo::ReportFace(const CFX_ByteString& path, + FXSYS_FILE* pFile, + FX_DWORD filesize, + FX_DWORD offset) { + FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET); + char buffer[16]; + if (!FXSYS_fread(buffer, 12, 1, pFile)) { + return; + } + FX_DWORD nTables = GET_TT_SHORT(buffer + 4); + CFX_ByteString tables = FPDF_ReadStringFromFile(pFile, nTables * 16); + if (tables.IsEmpty()) { + return; + } + CFX_ByteString names = + FPDF_LoadTableFromTT(pFile, tables, nTables, 0x6e616d65); + if (names.IsEmpty()) { + return; + } + CFX_ByteString facename = GetNameFromTT(names, 1); + CFX_ByteString style = GetNameFromTT(names, 2); + if (style != "Regular") { + facename += " " + style; + } + if (pdfium::ContainsKey(m_FontList, facename)) + return; + + CFX_FontFaceInfo* pInfo = + new CFX_FontFaceInfo(path, facename, tables, offset, filesize); + CFX_ByteString os2 = FPDF_LoadTableFromTT(pFile, tables, nTables, 0x4f532f32); + if (os2.GetLength() >= 86) { + const uint8_t* p = (const uint8_t*)os2 + 78; + FX_DWORD codepages = GET_TT_LONG(p); + if (codepages & (1 << 17)) { + m_pMapper->AddInstalledFont(facename, FXFONT_SHIFTJIS_CHARSET); + pInfo->m_Charsets |= CHARSET_FLAG_SHIFTJIS; + } + if (codepages & (1 << 18)) { + m_pMapper->AddInstalledFont(facename, FXFONT_GB2312_CHARSET); + pInfo->m_Charsets |= CHARSET_FLAG_GB; + } + if (codepages & (1 << 20)) { + m_pMapper->AddInstalledFont(facename, FXFONT_CHINESEBIG5_CHARSET); + pInfo->m_Charsets |= CHARSET_FLAG_BIG5; + } + if ((codepages & (1 << 19)) || (codepages & (1 << 21))) { + m_pMapper->AddInstalledFont(facename, FXFONT_HANGEUL_CHARSET); + pInfo->m_Charsets |= CHARSET_FLAG_KOREAN; + } + if (codepages & (1 << 31)) { + m_pMapper->AddInstalledFont(facename, FXFONT_SYMBOL_CHARSET); + pInfo->m_Charsets |= CHARSET_FLAG_SYMBOL; + } + } + m_pMapper->AddInstalledFont(facename, FXFONT_ANSI_CHARSET); + pInfo->m_Charsets |= CHARSET_FLAG_ANSI; + pInfo->m_Styles = 0; + if (style.Find("Bold") > -1) { + pInfo->m_Styles |= FXFONT_BOLD; + } + if (style.Find("Italic") > -1 || style.Find("Oblique") > -1) { + pInfo->m_Styles |= FXFONT_ITALIC; + } + if (facename.Find("Serif") > -1) { + pInfo->m_Styles |= FXFONT_SERIF; + } + m_FontList[facename] = pInfo; +} + +void* CFX_FolderFontInfo::GetSubstFont(const CFX_ByteString& face) { + for (size_t iBaseFont = 0; iBaseFont < FX_ArraySize(Base14Substs); + iBaseFont++) { + if (face == Base14Substs[iBaseFont].m_pName) { + return GetFont(Base14Substs[iBaseFont].m_pSubstName); + } + } + return nullptr; +} + +void* CFX_FolderFontInfo::FindFont(int weight, + FX_BOOL bItalic, + int charset, + int pitch_family, + const FX_CHAR* family, + FX_BOOL bMatchName) { + CFX_FontFaceInfo* pFind = nullptr; + if (charset == FXFONT_ANSI_CHARSET && (pitch_family & FXFONT_FF_FIXEDPITCH)) { + return GetFont("Courier New"); + } + FX_DWORD charset_flag = GetCharset(charset); + int32_t iBestSimilar = 0; + for (const auto& it : m_FontList) { + const CFX_ByteString& bsName = it.first; + CFX_FontFaceInfo* pFont = it.second; + if (!(pFont->m_Charsets & charset_flag) && + charset != FXFONT_DEFAULT_CHARSET) { + continue; + } + int32_t index = bsName.Find(family); + if (bMatchName && index < 0) { + continue; + } + int32_t iSimilarValue = + GetSimilarValue(weight, bItalic, pitch_family, pFont->m_Styles); + if (iSimilarValue > iBestSimilar) { + iBestSimilar = iSimilarValue; + pFind = pFont; + } + } + return pFind; +} +void* CFX_FolderFontInfo::MapFont(int weight, + FX_BOOL bItalic, + int charset, + int pitch_family, + const FX_CHAR* family, + int& iExact) { + return NULL; +} + +#ifdef PDF_ENABLE_XFA +void* CFX_FolderFontInfo::MapFontByUnicode(FX_DWORD dwUnicode, + int weight, + FX_BOOL bItalic, + int pitch_family) { + return NULL; +} +#endif // PDF_ENABLE_XFA + +void* CFX_FolderFontInfo::GetFont(const FX_CHAR* face) { + auto it = m_FontList.find(face); + return it != m_FontList.end() ? it->second : nullptr; +} + +FX_DWORD CFX_FolderFontInfo::GetFontData(void* hFont, + FX_DWORD table, + uint8_t* buffer, + FX_DWORD size) { + if (!hFont) + return 0; + + const CFX_FontFaceInfo* pFont = static_cast<CFX_FontFaceInfo*>(hFont); + FX_DWORD datasize = 0; + FX_DWORD offset = 0; + if (table == 0) { + datasize = pFont->m_FontOffset ? 0 : pFont->m_FileSize; + } else if (table == kTableTTCF) { + datasize = pFont->m_FontOffset ? pFont->m_FileSize : 0; + } else { + FX_DWORD nTables = pFont->m_FontTables.GetLength() / 16; + for (FX_DWORD i = 0; i < nTables; i++) { + const uint8_t* p = + static_cast<const uint8_t*>(pFont->m_FontTables) + i * 16; + if (GET_TT_LONG(p) == table) { + offset = GET_TT_LONG(p + 8); + datasize = GET_TT_LONG(p + 12); + } + } + } + + if (!datasize || size < datasize) + return datasize; + + FXSYS_FILE* pFile = FXSYS_fopen(pFont->m_FilePath, "rb"); + if (!pFile) + return 0; + + if (FXSYS_fseek(pFile, offset, FXSYS_SEEK_SET) < 0 || + FXSYS_fread(buffer, datasize, 1, pFile) != 1) { + datasize = 0; + } + FXSYS_fclose(pFile); + return datasize; +} + +void CFX_FolderFontInfo::DeleteFont(void* hFont) {} +FX_BOOL CFX_FolderFontInfo::GetFaceName(void* hFont, CFX_ByteString& name) { + if (!hFont) { + return FALSE; + } + CFX_FontFaceInfo* pFont = (CFX_FontFaceInfo*)hFont; + name = pFont->m_FaceName; + return TRUE; +} +FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset) { + return FALSE; +} + +int PDF_GetStandardFontName(CFX_ByteString* name) { + AltFontName* found = static_cast<AltFontName*>( + FXSYS_bsearch(name->c_str(), g_AltFontNames, FX_ArraySize(g_AltFontNames), + sizeof(AltFontName), CompareString)); + if (!found) + return -1; + + *name = g_Base14FontNames[found->m_Index]; + return found->m_Index; +} |