| // 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 "../../../include/fpdfapi/fpdf_page.h" |
| #include "../../../include/fpdfapi/fpdf_module.h" |
| #include "../../../include/fpdfapi/fpdf_pageobj.h" |
| #include "font_int.h" |
| #include "../fpdf_page/pageint.h" |
| #include "../../../include/fxge/fx_freetype.h" |
| |
| FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id) |
| { |
| for (int i = 0; i < FXFT_Get_Face_CharmapCount(face); i ++) { |
| if (FXFT_Get_Charmap_PlatformID(FXFT_Get_Face_Charmaps(face)[i]) == platform_id && |
| FXFT_Get_Charmap_EncodingID(FXFT_Get_Face_Charmaps(face)[i]) == encoding_id) { |
| FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); |
| return TRUE; |
| } |
| } |
| return FALSE; |
| } |
| extern const FX_WORD* PDF_UnicodesForPredefinedCharSet(int); |
| CPDF_FontGlobals::CPDF_FontGlobals() |
| : m_pContrastRamps(NULL) |
| { |
| FXSYS_memset32(m_EmbeddedCharsets, 0, sizeof(m_EmbeddedCharsets)); |
| FXSYS_memset32(m_EmbeddedToUnicodes, 0, sizeof(m_EmbeddedToUnicodes)); |
| } |
| CPDF_FontGlobals::~CPDF_FontGlobals() |
| { |
| ClearAll(); |
| if (m_pContrastRamps) { |
| FX_Free(m_pContrastRamps); |
| } |
| } |
| class CFX_StockFontArray |
| { |
| public: |
| CFX_StockFontArray() |
| { |
| FXSYS_memset32(m_pStockFonts, 0, sizeof(m_pStockFonts)); |
| } |
| ~CFX_StockFontArray() |
| { |
| for (int i = 0; i < FX_ArraySize(m_pStockFonts); i++) { |
| if (!m_pStockFonts[i]) |
| continue; |
| CPDF_Dictionary* pFontDict = m_pStockFonts[i]->GetFontDict(); |
| if (pFontDict) |
| pFontDict->Release(); |
| delete m_pStockFonts[i]; |
| } |
| } |
| CPDF_Font* GetFont(int index) const |
| { |
| if (index < 0 || index >= FX_ArraySize(m_pStockFonts)) |
| return NULL; |
| return m_pStockFonts[index]; |
| } |
| void SetFont(int index, CPDF_Font* font) |
| { |
| if (index < 0 || index >= FX_ArraySize(m_pStockFonts)) |
| return; |
| delete m_pStockFonts[index]; |
| m_pStockFonts[index] = font; |
| } |
| private: |
| CPDF_Font* m_pStockFonts[14]; |
| }; |
| CPDF_Font* CPDF_FontGlobals::Find(void* key, int index) |
| { |
| void* value = NULL; |
| if (!m_pStockMap.Lookup(key, value)) { |
| return NULL; |
| } |
| if (!value) { |
| return NULL; |
| } |
| return static_cast<CFX_StockFontArray*>(value)->GetFont(index); |
| } |
| void CPDF_FontGlobals::Set(void* key, int index, CPDF_Font* pFont) |
| { |
| void* value = NULL; |
| CFX_StockFontArray* font_array = NULL; |
| if (m_pStockMap.Lookup(key, value)) { |
| font_array = static_cast<CFX_StockFontArray*>(value); |
| } else { |
| font_array = new CFX_StockFontArray(); |
| m_pStockMap.SetAt(key, font_array); |
| } |
| font_array->SetFont(index, pFont); |
| } |
| void CPDF_FontGlobals::Clear(void* key) |
| { |
| void* value = NULL; |
| if (!m_pStockMap.Lookup(key, value)) { |
| return; |
| } |
| delete static_cast<CFX_StockFontArray*>(value); |
| m_pStockMap.RemoveKey(key); |
| } |
| void CPDF_FontGlobals::ClearAll() |
| { |
| FX_POSITION pos = m_pStockMap.GetStartPosition(); |
| while (pos) { |
| void* key = NULL; |
| void* value = NULL; |
| m_pStockMap.GetNextAssoc(pos, key, value); |
| delete static_cast<CFX_StockFontArray*>(value); |
| m_pStockMap.RemoveKey(key); |
| } |
| } |
| CPDF_Font::CPDF_Font(int fonttype) : m_FontType(fonttype) |
| { |
| m_FontBBox.left = m_FontBBox.right = m_FontBBox.top = m_FontBBox.bottom = 0; |
| m_StemV = m_Ascent = m_Descent = m_ItalicAngle = 0; |
| m_pFontFile = NULL; |
| m_Flags = 0; |
| m_pToUnicodeMap = NULL; |
| m_bToUnicodeLoaded = FALSE; |
| m_pCharMap = new CPDF_FontCharMap(this); |
| } |
| CPDF_Font::~CPDF_Font() |
| { |
| delete m_pCharMap; |
| m_pCharMap = NULL; |
| |
| delete m_pToUnicodeMap; |
| m_pToUnicodeMap = NULL; |
| |
| if (m_pFontFile) { |
| m_pDocument->GetPageData()->ReleaseFontFileStreamAcc((CPDF_Stream*)m_pFontFile->GetStream()); |
| } |
| } |
| FX_BOOL CPDF_Font::IsVertWriting() const |
| { |
| FX_BOOL bVertWriting = FALSE; |
| CPDF_CIDFont* pCIDFont = GetCIDFont(); |
| if (pCIDFont) { |
| bVertWriting = pCIDFont->IsVertWriting(); |
| } else { |
| bVertWriting = m_Font.IsVertical(); |
| } |
| return bVertWriting; |
| } |
| CFX_ByteString CPDF_Font::GetFontTypeName() const |
| { |
| switch (m_FontType) { |
| case PDFFONT_TYPE1: |
| return FX_BSTRC("Type1"); |
| case PDFFONT_TRUETYPE: |
| return FX_BSTRC("TrueType"); |
| case PDFFONT_TYPE3: |
| return FX_BSTRC("Type3"); |
| case PDFFONT_CIDFONT: |
| return FX_BSTRC("Type0"); |
| } |
| return CFX_ByteString(); |
| } |
| void CPDF_Font::AppendChar(CFX_ByteString& str, FX_DWORD charcode) const |
| { |
| char buf[4]; |
| int len = AppendChar(buf, charcode); |
| if (len == 1) { |
| str += buf[0]; |
| } else { |
| str += CFX_ByteString(buf, len); |
| } |
| } |
| CFX_WideString CPDF_Font::UnicodeFromCharCode(FX_DWORD charcode) const |
| { |
| if (!m_bToUnicodeLoaded) { |
| ((CPDF_Font*)this)->LoadUnicodeMap(); |
| } |
| if (m_pToUnicodeMap) { |
| CFX_WideString wsRet = m_pToUnicodeMap->Lookup(charcode); |
| if (!wsRet.IsEmpty()) { |
| return wsRet; |
| } |
| } |
| FX_WCHAR unicode = _UnicodeFromCharCode(charcode); |
| if (unicode == 0) { |
| return CFX_WideString(); |
| } |
| return unicode; |
| } |
| FX_DWORD CPDF_Font::CharCodeFromUnicode(FX_WCHAR unicode) const |
| { |
| if (!m_bToUnicodeLoaded) { |
| ((CPDF_Font*)this)->LoadUnicodeMap(); |
| } |
| if (m_pToUnicodeMap) { |
| FX_DWORD charcode = m_pToUnicodeMap->ReverseLookup(unicode); |
| if (charcode) { |
| return charcode; |
| } |
| } |
| return _CharCodeFromUnicode(unicode); |
| } |
| CFX_WideString CPDF_Font::DecodeString(const CFX_ByteString& str) const |
| { |
| CFX_WideString result; |
| int src_len = str.GetLength(); |
| result.Reserve(src_len); |
| const FX_CHAR* src_buf = str; |
| int src_pos = 0; |
| while (src_pos < src_len) { |
| FX_DWORD charcode = GetNextChar(src_buf, src_len, src_pos); |
| CFX_WideString unicode = UnicodeFromCharCode(charcode); |
| if (!unicode.IsEmpty()) { |
| result += unicode; |
| } else { |
| result += (FX_WCHAR)charcode; |
| } |
| } |
| return result; |
| } |
| CFX_ByteString CPDF_Font::EncodeString(const CFX_WideString& str) const |
| { |
| CFX_ByteString result; |
| int src_len = str.GetLength(); |
| FX_CHAR* dest_buf = result.GetBuffer(src_len * 2); |
| const FX_WCHAR* src_buf = str.c_str(); |
| int dest_pos = 0; |
| for (int src_pos = 0; src_pos < src_len; src_pos ++) { |
| FX_DWORD charcode = CharCodeFromUnicode(src_buf[src_pos]); |
| dest_pos += AppendChar(dest_buf + dest_pos, charcode); |
| } |
| result.ReleaseBuffer(dest_pos); |
| return result; |
| } |
| void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) |
| { |
| m_Flags = pFontDesc->GetInteger(FX_BSTRC("Flags"), PDFFONT_NONSYMBOLIC); |
| int ItalicAngle = 0; |
| FX_BOOL bExistItalicAngle = FALSE; |
| if (pFontDesc->KeyExist(FX_BSTRC("ItalicAngle"))) { |
| ItalicAngle = pFontDesc->GetInteger(FX_BSTRC("ItalicAngle")); |
| bExistItalicAngle = TRUE; |
| } |
| if (ItalicAngle < 0) { |
| m_Flags |= PDFFONT_ITALIC; |
| m_ItalicAngle = ItalicAngle; |
| } |
| FX_BOOL bExistStemV = FALSE; |
| if (pFontDesc->KeyExist(FX_BSTRC("StemV"))) { |
| m_StemV = pFontDesc->GetInteger(FX_BSTRC("StemV")); |
| bExistStemV = TRUE; |
| } |
| FX_BOOL bExistAscent = FALSE; |
| if (pFontDesc->KeyExist(FX_BSTRC("Ascent"))) { |
| m_Ascent = pFontDesc->GetInteger(FX_BSTRC("Ascent")); |
| bExistAscent = TRUE; |
| } |
| FX_BOOL bExistDescent = FALSE; |
| if (pFontDesc->KeyExist(FX_BSTRC("Descent"))) { |
| m_Descent = pFontDesc->GetInteger(FX_BSTRC("Descent")); |
| bExistDescent = TRUE; |
| } |
| FX_BOOL bExistCapHeight = FALSE; |
| if (pFontDesc->KeyExist(FX_BSTRC("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->GetArray(FX_BSTRC("FontBBox")); |
| if (pBBox) { |
| m_FontBBox.left = pBBox->GetInteger(0); |
| m_FontBBox.bottom = pBBox->GetInteger(1); |
| m_FontBBox.right = pBBox->GetInteger(2); |
| m_FontBBox.top = pBBox->GetInteger(3); |
| } |
| CPDF_Stream* pFontFile = pFontDesc->GetStream(FX_BSTRC("FontFile")); |
| if (pFontFile == NULL) { |
| pFontFile = pFontDesc->GetStream(FX_BSTRC("FontFile2")); |
| } |
| if (pFontFile == NULL) { |
| pFontFile = pFontDesc->GetStream(FX_BSTRC("FontFile3")); |
| } |
| if (pFontFile) { |
| m_pFontFile = m_pDocument->LoadFontFile(pFontFile); |
| if (m_pFontFile == NULL) { |
| return; |
| } |
| const uint8_t* pFontData = m_pFontFile->GetData(); |
| FX_DWORD dwFontSize = m_pFontFile->GetSize(); |
| m_Font.LoadEmbedded(pFontData, dwFontSize); |
| if (m_Font.m_Face == NULL) { |
| m_pFontFile = NULL; |
| } |
| } |
| } |
| short TT2PDF(int m, FXFT_Face face) |
| { |
| int upm = FXFT_Get_Face_UnitsPerEM(face); |
| if (upm == 0) { |
| return (short)m; |
| } |
| return (m * 1000 + upm / 2) / upm; |
| } |
| void CPDF_Font::CheckFontMetrics() |
| { |
| if (m_FontBBox.top == 0 && m_FontBBox.bottom == 0 && m_FontBBox.left == 0 && m_FontBBox.right == 0) { |
| if (m_Font.m_Face) { |
| m_FontBBox.left = TT2PDF(FXFT_Get_Face_xMin(m_Font.m_Face), m_Font.m_Face); |
| m_FontBBox.bottom = TT2PDF(FXFT_Get_Face_yMin(m_Font.m_Face), m_Font.m_Face); |
| m_FontBBox.right = TT2PDF(FXFT_Get_Face_xMax(m_Font.m_Face), m_Font.m_Face); |
| m_FontBBox.top = TT2PDF(FXFT_Get_Face_yMax(m_Font.m_Face), m_Font.m_Face); |
| m_Ascent = TT2PDF(FXFT_Get_Face_Ascender(m_Font.m_Face), m_Font.m_Face); |
| m_Descent = TT2PDF(FXFT_Get_Face_Descender(m_Font.m_Face), m_Font.m_Face); |
| } else { |
| FX_BOOL bFirst = TRUE; |
| for (int i = 0; i < 256; i ++) { |
| FX_RECT rect; |
| GetCharBBox(i, rect); |
| 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', rect); |
| if (rect.bottom == rect.top) { |
| m_Ascent = m_FontBBox.top; |
| } else { |
| m_Ascent = rect.top; |
| } |
| GetCharBBox('g', rect); |
| if (rect.bottom == rect.top) { |
| m_Descent = m_FontBBox.bottom; |
| } else { |
| m_Descent = rect.bottom; |
| } |
| } |
| } |
| void CPDF_Font::LoadUnicodeMap() |
| { |
| m_bToUnicodeLoaded = TRUE; |
| CPDF_Stream* pStream = m_pFontDict->GetStream(FX_BSTRC("ToUnicode")); |
| if (pStream == NULL) { |
| return; |
| } |
| m_pToUnicodeMap = new CPDF_ToUnicodeMap; |
| m_pToUnicodeMap->Load(pStream); |
| } |
| int CPDF_Font::GetStringWidth(const FX_CHAR* pString, int size) |
| { |
| int offset = 0; |
| int width = 0; |
| while (offset < size) { |
| FX_DWORD charcode = GetNextChar(pString, size, offset); |
| width += GetCharWidthF(charcode); |
| } |
| return width; |
| } |
| int CPDF_Font::GetCharTypeWidth(FX_DWORD charcode) |
| { |
| if (m_Font.m_Face == NULL) { |
| return 0; |
| } |
| int glyph_index = GlyphFromCharCode(charcode); |
| if (glyph_index == 0xffff) { |
| return 0; |
| } |
| return m_Font.GetGlyphWidth(glyph_index); |
| } |
| int _PDF_GetStandardFontName(CFX_ByteString& name); |
| 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 NULL; |
| } |
| CPDF_FontGlobals* pFontGlobals = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); |
| CPDF_Font* pFont = pFontGlobals->Find(pDoc, font_id); |
| if (pFont) { |
| return pFont; |
| } |
| CPDF_Dictionary* pDict = CPDF_Dictionary::Create(); |
| pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Font")); |
| pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Type1")); |
| pDict->SetAtName(FX_BSTRC("BaseFont"), fontname); |
| pDict->SetAtName(FX_BSTRC("Encoding"), FX_BSTRC("WinAnsiEncoding")); |
| pFont = CPDF_Font::CreateFontF(NULL, pDict); |
| pFontGlobals->Set(pDoc, font_id, pFont); |
| return pFont; |
| } |
| const uint8_t ChineseFontNames[][5] = { |
| {0xCB, 0xCE, 0xCC, 0xE5, 0x00}, |
| {0xBF, 0xAC, 0xCC, 0xE5, 0x00}, |
| {0xBA, 0xDA, 0xCC, 0xE5, 0x00}, |
| {0xB7, 0xC2, 0xCB, 0xCE, 0x00}, |
| {0xD0, 0xC2, 0xCB, 0xCE, 0x00} |
| }; |
| CPDF_Font* CPDF_Font::CreateFontF(CPDF_Document* pDoc, CPDF_Dictionary* pFontDict) |
| { |
| CFX_ByteString type = pFontDict->GetString(FX_BSTRC("Subtype")); |
| CPDF_Font* pFont; |
| if (type == FX_BSTRC("TrueType")) { |
| { |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ || _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_ || _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| CFX_ByteString basefont = pFontDict->GetString(FX_BSTRC("BaseFont")); |
| CFX_ByteString tag = basefont.Left(4); |
| int i; |
| int count = sizeof(ChineseFontNames) / sizeof(ChineseFontNames[0]); |
| for (i = 0; i < count; ++i) { |
| if (tag == CFX_ByteString((const FX_CHAR*)ChineseFontNames[i])) { |
| break; |
| } |
| } |
| if (i < count) { |
| CPDF_Dictionary* pFontDesc = pFontDict->GetDict(FX_BSTRC("FontDescriptor")); |
| if (pFontDesc == NULL || !pFontDesc->KeyExist(FX_BSTRC("FontFile2"))) { |
| pFont = new CPDF_CIDFont; |
| pFont->m_pFontDict = pFontDict; |
| pFont->m_pDocument = pDoc; |
| if (!pFont->Load()) { |
| delete pFont; |
| return NULL; |
| } |
| return pFont; |
| } |
| } |
| #endif |
| } |
| pFont = new CPDF_TrueTypeFont; |
| } else if (type == FX_BSTRC("Type3")) { |
| pFont = new CPDF_Type3Font; |
| } else if (type == FX_BSTRC("Type0")) { |
| pFont = new CPDF_CIDFont; |
| } else { |
| pFont = new CPDF_Type1Font; |
| } |
| pFont->m_pFontDict = pFontDict; |
| pFont->m_pDocument = pDoc; |
| if (!pFont->Load()) { |
| delete pFont; |
| return NULL; |
| } |
| return pFont; |
| } |
| FX_BOOL CPDF_Font::Load() |
| { |
| if (m_pFontDict == NULL) { |
| return FALSE; |
| } |
| CFX_ByteString type = m_pFontDict->GetString(FX_BSTRC("Subtype")); |
| m_BaseFont = m_pFontDict->GetString(FX_BSTRC("BaseFont")); |
| if (type == FX_BSTRC("MMType1")) { |
| type = FX_BSTRC("Type1"); |
| } |
| return _Load(); |
| } |
| static CFX_WideString _FontMap_GetWideString(CFX_CharMap* pMap, const CFX_ByteString& bytestr) |
| { |
| return ((CPDF_FontCharMap*)pMap)->m_pFont->DecodeString(bytestr); |
| } |
| static CFX_ByteString _FontMap_GetByteString(CFX_CharMap* pMap, const CFX_WideString& widestr) |
| { |
| return ((CPDF_FontCharMap*)pMap)->m_pFont->EncodeString(widestr); |
| } |
| CPDF_FontCharMap::CPDF_FontCharMap(CPDF_Font* pFont) |
| { |
| m_GetByteString = _FontMap_GetByteString; |
| m_GetWideString = _FontMap_GetWideString; |
| m_pFont = pFont; |
| } |
| CFX_WideString CPDF_ToUnicodeMap::Lookup(FX_DWORD charcode) |
| { |
| FX_DWORD value; |
| if (m_Map.Lookup(charcode, value)) { |
| FX_WCHAR unicode = (FX_WCHAR)(value & 0xffff); |
| if (unicode != 0xffff) { |
| return unicode; |
| } |
| const FX_WCHAR* buf = m_MultiCharBuf.GetBuffer(); |
| FX_DWORD buf_len = m_MultiCharBuf.GetLength(); |
| if (buf == NULL || buf_len == 0) { |
| return CFX_WideString(); |
| } |
| FX_DWORD index = value >> 16; |
| if (index >= buf_len) { |
| return CFX_WideString(); |
| } |
| FX_DWORD 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((FX_WORD)charcode); |
| } |
| return CFX_WideString(); |
| } |
| FX_DWORD CPDF_ToUnicodeMap::ReverseLookup(FX_WCHAR unicode) |
| { |
| FX_POSITION pos = m_Map.GetStartPosition(); |
| while (pos) { |
| FX_DWORD key, value; |
| m_Map.GetNextAssoc(pos, key, value); |
| if ((FX_WCHAR)value == unicode) { |
| return key; |
| } |
| } |
| return 0; |
| } |
| static FX_DWORD _StringToCode(const CFX_ByteStringC& str) |
| { |
| const FX_CHAR* buf = str.GetCStr(); |
| int len = str.GetLength(); |
| if (len == 0) { |
| return 0; |
| } |
| int result = 0; |
| if (buf[0] == '<') { |
| for (int i = 1; i < len; i ++) { |
| int digit; |
| if (buf[i] >= '0' && buf[i] <= '9') { |
| digit = buf[i] - '0'; |
| } else if (buf[i] >= 'a' && buf[i] <= 'f') { |
| digit = buf[i] - 'a' + 10; |
| } else if (buf[i] >= 'A' && buf[i] <= 'F') { |
| digit = buf[i] - 'A' + 10; |
| } else { |
| break; |
| } |
| result = result * 16 + digit; |
| } |
| return result; |
| } else { |
| for (int i = 0; i < len; i ++) { |
| if (buf[i] < '0' || buf[i] > '9') { |
| break; |
| } |
| result = result * 10 + buf[i] - '0'; |
| } |
| } |
| 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 _StringToWideString(const CFX_ByteStringC& str) |
| { |
| const FX_CHAR* buf = str.GetCStr(); |
| int len = str.GetLength(); |
| if (len == 0) { |
| return CFX_WideString(); |
| } |
| CFX_WideString result; |
| if (buf[0] == '<') { |
| int byte_pos = 0; |
| FX_WCHAR ch = 0; |
| for (int i = 1; i < len; i ++) { |
| int digit; |
| if (buf[i] >= '0' && buf[i] <= '9') { |
| digit = buf[i] - '0'; |
| } else if (buf[i] >= 'a' && buf[i] <= 'f') { |
| digit = buf[i] - 'a' + 10; |
| } else if (buf[i] >= 'A' && buf[i] <= 'F') { |
| digit = buf[i] - 'A' + 10; |
| } else { |
| break; |
| } |
| ch = ch * 16 + digit; |
| byte_pos ++; |
| if (byte_pos == 4) { |
| result += ch; |
| byte_pos = 0; |
| ch = 0; |
| } |
| } |
| return result; |
| } |
| if (buf[0] == '(') { |
| } |
| return result; |
| } |
| void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) |
| { |
| int CIDSet = 0; |
| CPDF_StreamAcc stream; |
| stream.LoadAllData(pStream, FALSE); |
| CPDF_SimpleParser parser(stream.GetData(), stream.GetSize()); |
| m_Map.EstimateSize(stream.GetSize() / 8, 1024); |
| while (1) { |
| CFX_ByteStringC word = parser.GetWord(); |
| if (word.IsEmpty()) { |
| break; |
| } |
| if (word == FX_BSTRC("beginbfchar")) { |
| while (1) { |
| word = parser.GetWord(); |
| if (word.IsEmpty() || word == FX_BSTRC("endbfchar")) { |
| break; |
| } |
| FX_DWORD srccode = _StringToCode(word); |
| word = parser.GetWord(); |
| CFX_WideString destcode = _StringToWideString(word); |
| int len = destcode.GetLength(); |
| if (len == 0) { |
| continue; |
| } |
| if (len == 1) { |
| m_Map.SetAt(srccode, destcode.GetAt(0)); |
| } else { |
| m_Map.SetAt(srccode, m_MultiCharBuf.GetLength() * 0x10000 + 0xffff); |
| m_MultiCharBuf.AppendChar(destcode.GetLength()); |
| m_MultiCharBuf << destcode; |
| } |
| } |
| } else if (word == FX_BSTRC("beginbfrange")) { |
| while (1) { |
| CFX_ByteString low, high; |
| low = parser.GetWord(); |
| if (low.IsEmpty() || low == FX_BSTRC("endbfrange")) { |
| break; |
| } |
| high = parser.GetWord(); |
| FX_DWORD lowcode = _StringToCode(low); |
| FX_DWORD highcode = (lowcode & 0xffffff00) | (_StringToCode(high) & 0xff); |
| if (highcode == (FX_DWORD) - 1) { |
| break; |
| } |
| CFX_ByteString start = parser.GetWord(); |
| if (start == FX_BSTRC("[")) { |
| for (FX_DWORD code = lowcode; code <= highcode; code ++) { |
| CFX_ByteString dest = parser.GetWord(); |
| CFX_WideString destcode = _StringToWideString(dest); |
| int len = destcode.GetLength(); |
| if (len == 0) { |
| continue; |
| } |
| if (len == 1) { |
| m_Map.SetAt(code, destcode.GetAt(0)); |
| } else { |
| m_Map.SetAt(code, m_MultiCharBuf.GetLength() * 0x10000 + 0xffff); |
| m_MultiCharBuf.AppendChar(destcode.GetLength()); |
| m_MultiCharBuf << destcode; |
| } |
| } |
| parser.GetWord(); |
| } else { |
| CFX_WideString destcode = _StringToWideString(start); |
| int len = destcode.GetLength(); |
| FX_DWORD value = 0; |
| if (len == 1) { |
| value = _StringToCode(start); |
| for (FX_DWORD code = lowcode; code <= highcode; code ++) { |
| m_Map.SetAt(code, value++); |
| } |
| } else { |
| for (FX_DWORD code = lowcode; code <= highcode; code ++) { |
| CFX_WideString retcode; |
| if (code == lowcode) { |
| retcode = destcode; |
| } else { |
| retcode = _StringDataAdd(destcode); |
| } |
| m_Map.SetAt(code, m_MultiCharBuf.GetLength() * 0x10000 + 0xffff); |
| m_MultiCharBuf.AppendChar(retcode.GetLength()); |
| m_MultiCharBuf << retcode; |
| destcode = retcode; |
| } |
| } |
| } |
| } |
| } else if (word == FX_BSTRC("/Adobe-Korea1-UCS2")) { |
| CIDSet = CIDSET_KOREA1; |
| } else if (word == FX_BSTRC("/Adobe-Japan1-UCS2")) { |
| CIDSet = CIDSET_JAPAN1; |
| } else if (word == FX_BSTRC("/Adobe-CNS1-UCS2")) { |
| CIDSet = CIDSET_CNS1; |
| } else if (word == FX_BSTRC("/Adobe-GB1-UCS2")) { |
| CIDSet = CIDSET_GB1; |
| } |
| } |
| if (CIDSet) { |
| m_pBaseMap = CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals()->m_CMapManager.GetCID2UnicodeMap(CIDSet, FALSE); |
| } else { |
| m_pBaseMap = NULL; |
| } |
| } |
| static FX_BOOL GetPredefinedEncoding(int& basemap, const CFX_ByteString& value) |
| { |
| if (value == FX_BSTRC("WinAnsiEncoding")) { |
| basemap = PDFFONT_ENCODING_WINANSI; |
| } else if (value == FX_BSTRC("MacRomanEncoding")) { |
| basemap = PDFFONT_ENCODING_MACROMAN; |
| } else if (value == FX_BSTRC("MacExpertEncoding")) { |
| basemap = PDFFONT_ENCODING_MACEXPERT; |
| } else if (value == FX_BSTRC("PDFDocEncoding")) { |
| basemap = PDFFONT_ENCODING_PDFDOC; |
| } else { |
| return FALSE; |
| } |
| return TRUE; |
| } |
| void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding, int& iBaseEncoding, CFX_ByteString*& pCharNames, |
| FX_BOOL bEmbedded, FX_BOOL bTrueType) |
| { |
| if (pEncoding == NULL) { |
| if (m_BaseFont == FX_BSTRC("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->GetType() == PDFOBJ_NAME) { |
| if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL || iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) { |
| return; |
| } |
| if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == FX_BSTRC("Symbol")) { |
| if (!bTrueType) { |
| iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL; |
| } |
| return; |
| } |
| CFX_ByteString bsEncoding = pEncoding->GetString(); |
| if (bsEncoding.Compare(FX_BSTRC("MacExpertEncoding")) == 0) { |
| bsEncoding = FX_BSTRC("WinAnsiEncoding"); |
| } |
| GetPredefinedEncoding(iBaseEncoding, bsEncoding); |
| return; |
| } |
| if (pEncoding->GetType() != PDFOBJ_DICTIONARY) { |
| return; |
| } |
| CPDF_Dictionary* pDict = (CPDF_Dictionary*)pEncoding; |
| if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) { |
| CFX_ByteString bsEncoding = pDict->GetString(FX_BSTRC("BaseEncoding")); |
| if (bsEncoding.Compare(FX_BSTRC("MacExpertEncoding")) == 0 && bTrueType) { |
| bsEncoding = FX_BSTRC("WinAnsiEncoding"); |
| } |
| GetPredefinedEncoding(iBaseEncoding, bsEncoding); |
| } |
| if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) { |
| iBaseEncoding = PDFFONT_ENCODING_STANDARD; |
| } |
| CPDF_Array* pDiffs = pDict->GetArray(FX_BSTRC("Differences")); |
| if (pDiffs == NULL) { |
| return; |
| } |
| pCharNames = new CFX_ByteString[256]; |
| FX_DWORD cur_code = 0; |
| for (FX_DWORD i = 0; i < pDiffs->GetCount(); i ++) { |
| CPDF_Object* pElement = pDiffs->GetElementValue(i); |
| if (pElement == NULL) { |
| continue; |
| } |
| if (pElement->GetType() == PDFOBJ_NAME) { |
| if (cur_code < 256) { |
| pCharNames[cur_code] = ((CPDF_Name*)pElement)->GetString(); |
| } |
| cur_code ++; |
| } else { |
| cur_code = pElement->GetInteger(); |
| } |
| } |
| } |
| FX_BOOL CPDF_Font::IsStandardFont() const |
| { |
| if (m_FontType != PDFFONT_TYPE1) { |
| return FALSE; |
| } |
| if (m_pFontFile != NULL) { |
| return FALSE; |
| } |
| if (((CPDF_Type1Font*)this)->GetBase14Font() < 0) { |
| return FALSE; |
| } |
| return TRUE; |
| } |
| extern const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding, uint8_t charcode); |
| CPDF_SimpleFont::CPDF_SimpleFont(int fonttype) : CPDF_Font(fonttype) |
| { |
| FXSYS_memset8(m_CharBBox, 0xff, sizeof m_CharBBox); |
| FXSYS_memset8(m_CharWidth, 0xff, sizeof m_CharWidth); |
| FXSYS_memset8(m_GlyphIndex, 0xff, sizeof m_GlyphIndex); |
| FXSYS_memset8(m_ExtGID, 0xff, sizeof m_ExtGID); |
| m_pCharNames = NULL; |
| m_BaseEncoding = PDFFONT_ENCODING_BUILTIN; |
| } |
| CPDF_SimpleFont::~CPDF_SimpleFont() |
| { |
| delete[] m_pCharNames; |
| } |
| int CPDF_SimpleFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL *pVertGlyph) |
| { |
| if (pVertGlyph) { |
| *pVertGlyph = FALSE; |
| } |
| if (charcode > 0xff) { |
| return -1; |
| } |
| int index = m_GlyphIndex[(uint8_t)charcode]; |
| if (index == 0xffff) { |
| return -1; |
| } |
| return index; |
| } |
| void CPDF_SimpleFont::LoadCharMetrics(int charcode) |
| { |
| if (m_Font.m_Face == NULL) { |
| return; |
| } |
| if (charcode < 0 || charcode > 0xff) { |
| return; |
| } |
| int glyph_index = m_GlyphIndex[charcode]; |
| if (glyph_index == 0xffff) { |
| if (m_pFontFile == NULL && charcode != 32) { |
| LoadCharMetrics(32); |
| m_CharBBox[charcode] = m_CharBBox[32]; |
| if (m_bUseFontWidth) { |
| m_CharWidth[charcode] = m_CharWidth[32]; |
| } |
| } |
| return; |
| } |
| int err = FXFT_Load_Glyph(m_Font.m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); |
| if (err) { |
| return; |
| } |
| m_CharBBox[charcode].Left = TT2PDF(FXFT_Get_Glyph_HoriBearingX(m_Font.m_Face), m_Font.m_Face); |
| m_CharBBox[charcode].Right = TT2PDF(FXFT_Get_Glyph_HoriBearingX(m_Font.m_Face) + FXFT_Get_Glyph_Width(m_Font.m_Face), m_Font.m_Face); |
| m_CharBBox[charcode].Top = TT2PDF(FXFT_Get_Glyph_HoriBearingY(m_Font.m_Face), m_Font.m_Face); |
| m_CharBBox[charcode].Bottom = TT2PDF(FXFT_Get_Glyph_HoriBearingY(m_Font.m_Face) - FXFT_Get_Glyph_Height(m_Font.m_Face), m_Font.m_Face); |
| if (m_bUseFontWidth) { |
| int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(m_Font.m_Face), m_Font.m_Face); |
| if (m_CharWidth[charcode] == 0xffff) { |
| m_CharWidth[charcode] = TT_Width; |
| } else if (TT_Width && !IsEmbedded()) { |
| m_CharBBox[charcode].Right = m_CharBBox[charcode].Right * m_CharWidth[charcode] / TT_Width; |
| m_CharBBox[charcode].Left = m_CharBBox[charcode].Left * m_CharWidth[charcode] / TT_Width; |
| } |
| } |
| } |
| int CPDF_SimpleFont::GetCharWidthF(FX_DWORD charcode, int level) |
| { |
| if (charcode > 0xff) { |
| charcode = 0; |
| } |
| if (m_CharWidth[charcode] == 0xffff) { |
| LoadCharMetrics(charcode); |
| if (m_CharWidth[charcode] == 0xffff) { |
| m_CharWidth[charcode] = 0; |
| } |
| } |
| return (int16_t)m_CharWidth[charcode]; |
| } |
| void CPDF_SimpleFont::GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level) |
| { |
| if (charcode > 0xff) { |
| charcode = 0; |
| } |
| if (m_CharBBox[charcode].Left == (int16_t)0xffff) { |
| LoadCharMetrics(charcode); |
| } |
| rect.left = m_CharBBox[charcode].Left; |
| rect.right = m_CharBBox[charcode].Right; |
| rect.bottom = m_CharBBox[charcode].Bottom; |
| rect.top = m_CharBBox[charcode].Top; |
| } |
| const FX_CHAR* GetAdobeCharName(int iBaseEncoding, const CFX_ByteString* pCharNames, int charcode) |
| { |
| ASSERT(charcode >= 0 && charcode < 256); |
| if (charcode < 0 || charcode >= 256) { |
| return NULL; |
| } |
| const FX_CHAR* name = NULL; |
| if (pCharNames) { |
| name = pCharNames[charcode]; |
| } |
| if ((name == NULL || name[0] == 0) && iBaseEncoding) { |
| name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode); |
| } |
| if (name == NULL || name[0] == 0) { |
| return NULL; |
| } |
| return name; |
| } |
| FX_BOOL CPDF_SimpleFont::LoadCommon() |
| { |
| CPDF_Dictionary* pFontDesc = m_pFontDict->GetDict(FX_BSTRC("FontDescriptor")); |
| if (pFontDesc) { |
| LoadFontDescriptor(pFontDesc); |
| } |
| CPDF_Array* pWidthArray = m_pFontDict->GetArray(FX_BSTRC("Widths")); |
| int width_start = 0, width_end = -1; |
| m_bUseFontWidth = TRUE; |
| if (pWidthArray) { |
| m_bUseFontWidth = FALSE; |
| if (pFontDesc && pFontDesc->KeyExist(FX_BSTRC("MissingWidth"))) { |
| int MissingWidth = pFontDesc->GetInteger(FX_BSTRC("MissingWidth")); |
| for (int i = 0; i < 256; i ++) { |
| m_CharWidth[i] = MissingWidth; |
| } |
| } |
| width_start = m_pFontDict->GetInteger(FX_BSTRC("FirstChar"), 0); |
| width_end = m_pFontDict->GetInteger(FX_BSTRC("LastChar"), 0); |
| if (width_start >= 0 && width_start <= 255) { |
| if (width_end <= 0 || width_end >= width_start + (int)pWidthArray->GetCount()) { |
| width_end = width_start + pWidthArray->GetCount() - 1; |
| } |
| if (width_end > 255) { |
| width_end = 255; |
| } |
| for (int i = width_start; i <= width_end; i ++) { |
| m_CharWidth[i] = pWidthArray->GetInteger(i - width_start); |
| } |
| } |
| } |
| if (m_pFontFile == NULL) { |
| LoadSubstFont(); |
| } else { |
| if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') { |
| m_BaseFont = m_BaseFont.Mid(8); |
| } |
| } |
| if (!(m_Flags & PDFFONT_SYMBOLIC)) { |
| m_BaseEncoding = PDFFONT_ENCODING_STANDARD; |
| } |
| CPDF_Object* pEncoding = m_pFontDict->GetElementValue(FX_BSTRC("Encoding")); |
| LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, m_pFontFile != NULL, m_Font.IsTTFont()); |
| LoadGlyphMap(); |
| delete[] m_pCharNames; |
| m_pCharNames = NULL; |
| if (m_Font.m_Face == NULL) { |
| return TRUE; |
| } |
| if (m_Flags & PDFFONT_ALLCAP) { |
| unsigned char lowercases[] = {'a', 'z', 0xe0, 0xf6, 0xf8, 0xfd}; |
| for (size_t range = 0; range < sizeof lowercases / 2; range ++) { |
| for (int i = lowercases[range * 2]; i <= lowercases[range * 2 + 1]; i ++) { |
| if (m_GlyphIndex[i] != 0xffff && m_pFontFile != NULL) { |
| continue; |
| } |
| m_GlyphIndex[i] = m_GlyphIndex[i - 32]; |
| if (m_CharWidth[i - 32]) { |
| m_CharWidth[i] = m_CharWidth[i - 32]; |
| m_CharBBox[i] = m_CharBBox[i - 32]; |
| } |
| } |
| } |
| } |
| CheckFontMetrics(); |
| return TRUE; |
| } |
| void CPDF_SimpleFont::LoadSubstFont() |
| { |
| if (!m_bUseFontWidth && !(m_Flags & PDFFONT_FIXEDPITCH)) { |
| int width = 0, i; |
| for (i = 0; i < 256; i ++) { |
| if (m_CharWidth[i] == 0 || m_CharWidth[i] == 0xffff) { |
| continue; |
| } |
| if (width == 0) { |
| width = m_CharWidth[i]; |
| } else if (width != m_CharWidth[i]) { |
| break; |
| } |
| } |
| if (i == 256 && width) { |
| m_Flags |= PDFFONT_FIXEDPITCH; |
| } |
| } |
| int weight = m_StemV < 140 ? m_StemV * 5 : (m_StemV * 4 + 140); |
| m_Font.LoadSubst(m_BaseFont, IsFontType(PDFFONT_TRUETYPE), m_Flags, weight, m_ItalicAngle, 0); |
| if (m_Font.m_pSubstFont->m_SubstFlags & FXFONT_SUBST_NONSYMBOL) { |
| } |
| } |
| FX_BOOL CPDF_SimpleFont::IsUnicodeCompatible() const |
| { |
| return m_BaseEncoding != PDFFONT_ENCODING_BUILTIN && m_BaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && |
| m_BaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS; |
| } |
| CPDF_Type1Font::CPDF_Type1Font() : CPDF_SimpleFont(PDFFONT_TYPE1) |
| { |
| m_Base14Font = -1; |
| } |
| FX_BOOL CPDF_Type1Font::_Load() |
| { |
| m_Base14Font = _PDF_GetStandardFontName(m_BaseFont); |
| if (m_Base14Font >= 0) { |
| CPDF_Dictionary* pFontDesc = m_pFontDict->GetDict(FX_BSTRC("FontDescriptor")); |
| if (pFontDesc && pFontDesc->KeyExist(FX_BSTRC("Flags"))) { |
| m_Flags = pFontDesc->GetInteger(FX_BSTRC("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(); |
| } |
| static 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; |
| } |
| extern FX_WCHAR FT_UnicodeFromCharCode(int encoding, FX_DWORD charcode); |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| #include "../../fxge/apple/apple_int.h" |
| #endif |
| int CPDF_Type1Font::GlyphFromCharCodeExt(FX_DWORD charcode) |
| { |
| if (charcode > 0xff) { |
| return -1; |
| } |
| int index = m_ExtGID[(uint8_t)charcode]; |
| if (index == 0xffff) { |
| return -1; |
| } |
| return index; |
| } |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| struct _GlyphNameMap { |
| const FX_CHAR* m_pStrAdobe; |
| const FX_CHAR* m_pStrUnicode; |
| }; |
| static const _GlyphNameMap g_GlyphNameSubsts[] = { |
| {"ff", "uniFB00"}, |
| {"fi", "uniFB01"}, |
| {"fl", "uniFB02"}, |
| {"ffi", "uniFB03"}, |
| {"ffl", "uniFB04"} |
| }; |
| extern "C" { |
| static int compareString(const void* key, const void* element) |
| { |
| return FXSYS_stricmp((const FX_CHAR*)key, ((_GlyphNameMap*)element)->m_pStrAdobe); |
| } |
| } |
| static const FX_CHAR* _GlyphNameRemap(const FX_CHAR* pStrAdobe) |
| { |
| _GlyphNameMap* found = (_GlyphNameMap*)FXSYS_bsearch(pStrAdobe, g_GlyphNameSubsts, |
| sizeof g_GlyphNameSubsts / sizeof(_GlyphNameMap), sizeof(_GlyphNameMap), |
| compareString); |
| if (found) { |
| return found->m_pStrUnicode; |
| } |
| return NULL; |
| } |
| #endif |
| void CPDF_Type1Font::LoadGlyphMap() |
| { |
| if (m_Font.m_Face == NULL) { |
| return; |
| } |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| FX_BOOL bCoreText = TRUE; |
| CQuartz2D & quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d; |
| if (!m_Font.m_pPlatformFont) { |
| if (m_Font.GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) { |
| bCoreText = FALSE; |
| } |
| m_Font.m_pPlatformFont = quartz2d.CreateFont(m_Font.m_pFontData, m_Font.m_dwSize); |
| if (NULL == m_Font.m_pPlatformFont) { |
| bCoreText = FALSE; |
| } |
| } |
| #endif |
| if (!IsEmbedded() && (m_Base14Font < 12) && m_Font.IsTTFont()) { |
| if (FT_UseTTCharmap(m_Font.m_Face, 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 ++) { |
| FX_WORD unicode = prefix[j] * 256 + charcode; |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, unicode); |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| FX_CHAR name_glyph[256]; |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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.m_pPlatformFont, 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_memcpy32(m_ExtGID, m_GlyphIndex, 256); |
| } |
| #endif |
| return; |
| } |
| } |
| FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE); |
| if (m_BaseEncoding == 0) { |
| m_BaseEncoding = PDFFONT_ENCODING_STANDARD; |
| } |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); |
| if (name == NULL) { |
| continue; |
| } |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, m_Encoding.m_Unicodes[charcode]); |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| FX_CHAR name_glyph[256]; |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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.m_pPlatformFont, 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.m_Face, 0x20); |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| FX_CHAR name_glyph[256]; |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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.m_pPlatformFont, name_ct); |
| if (name_ct) { |
| CFRelease(name_ct); |
| } |
| #endif |
| } |
| } |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| if (!bCoreText) { |
| FXSYS_memcpy32(m_ExtGID, m_GlyphIndex, 256); |
| } |
| #endif |
| return; |
| } |
| FT_UseType1Charmap(m_Font.m_Face); |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
| if (bCoreText) { |
| if (m_Flags & PDFFONT_SYMBOLIC) { |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); |
| if (name) { |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.m_Face, (char*)name); |
| CFStringRef name_ct = CFStringCreateWithCStringNoCopy(kCFAllocatorDefault, name, kCFStringEncodingASCII, kCFAllocatorNull); |
| m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName((CGFontRef)m_Font.m_pPlatformFont, name_ct); |
| if (name_ct) { |
| CFRelease(name_ct); |
| } |
| } else { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, charcode); |
| FX_WCHAR unicode = 0; |
| if (m_GlyphIndex[charcode]) { |
| unicode = FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode); |
| } |
| FX_CHAR name_glyph[256]; |
| FXSYS_memset32(name_glyph, 0, sizeof(name_glyph)); |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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.m_pPlatformFont, name_ct); |
| if (name_ct) { |
| CFRelease(name_ct); |
| } |
| } |
| } |
| return; |
| } |
| FX_BOOL bUnicode = FALSE; |
| if (0 == FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE)) { |
| bUnicode = TRUE; |
| } |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); |
| if (name == NULL) { |
| continue; |
| } |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| const FX_CHAR* pStrUnicode = _GlyphNameRemap(name); |
| if (pStrUnicode && 0 == FXFT_Get_Name_Index(m_Font.m_Face, (char*)name)) { |
| name = pStrUnicode; |
| } |
| m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.m_Face, (char*)name); |
| CFStringRef name_ct = CFStringCreateWithCStringNoCopy(kCFAllocatorDefault, name, kCFStringEncodingASCII, kCFAllocatorNull); |
| m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName((CGFontRef)m_Font.m_pPlatformFont, 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.m_Face, bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode); |
| FX_CHAR name_glyph[256]; |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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.m_pPlatformFont, 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.m_Face, 0x20) : 0xffff; |
| FX_CHAR name_glyph[256]; |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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.m_pPlatformFont, name_ct); |
| if (name_ct) { |
| CFRelease(name_ct); |
| } |
| } |
| } |
| } |
| return; |
| } |
| #endif |
| if (m_Flags & PDFFONT_SYMBOLIC) { |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); |
| if (name) { |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.m_Face, (char*)name); |
| } else { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, charcode); |
| if (m_GlyphIndex[charcode]) { |
| FX_WCHAR unicode = FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode); |
| if (unicode == 0) { |
| FX_CHAR name_glyph[256]; |
| FXSYS_memset32(name_glyph, 0, sizeof(name_glyph)); |
| FXFT_Get_Glyph_Name(m_Font.m_Face, 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_memcpy32(m_ExtGID, m_GlyphIndex, 256); |
| } |
| #endif |
| return; |
| } |
| FX_BOOL bUnicode = FALSE; |
| if (0 == FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE)) { |
| bUnicode = TRUE; |
| } |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); |
| if (name == NULL) { |
| continue; |
| } |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.m_Face, (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.m_Face, 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_memcpy32(m_ExtGID, m_GlyphIndex, 256); |
| } |
| #endif |
| } |
| CPDF_FontEncoding::CPDF_FontEncoding() |
| { |
| FXSYS_memset32(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 FX_WORD* pSrc = PDF_UnicodesForPredefinedCharSet(PredefinedEncoding); |
| if (!pSrc) { |
| FXSYS_memset32(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_memcmp32(m_Unicodes, pAnother->m_Unicodes, sizeof(m_Unicodes)) == 0; |
| } |
| CPDF_Object* CPDF_FontEncoding::Realize() |
| { |
| int predefined = 0; |
| for (int cs = PDFFONT_ENCODING_WINANSI; cs < PDFFONT_ENCODING_ZAPFDINGBATS; cs ++) { |
| const FX_WORD* 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 CPDF_Name::Create("WinAnsiEncoding"); |
| } |
| if (predefined == PDFFONT_ENCODING_MACROMAN) { |
| return CPDF_Name::Create("MacRomanEncoding"); |
| } |
| if (predefined == PDFFONT_ENCODING_MACEXPERT) { |
| return CPDF_Name::Create("MacExpertEncoding"); |
| } |
| return NULL; |
| } |
| CPDF_Dictionary* pDict = CPDF_Dictionary::Create(); |
| pDict->SetAtName(FX_BSTRC("BaseEncoding"), FX_BSTRC("WinAnsiEncoding")); |
| const FX_WORD* pStandard = PDF_UnicodesForPredefinedCharSet(PDFFONT_ENCODING_WINANSI); |
| CPDF_Array* pDiff = CPDF_Array::Create(); |
| for (int i = 0; i < 256; i ++) { |
| if (pStandard[i] == m_Unicodes[i]) { |
| continue; |
| } |
| pDiff->Add(CPDF_Number::Create(i)); |
| pDiff->Add(CPDF_Name::Create(PDF_AdobeNameFromUnicode(m_Unicodes[i]))); |
| } |
| pDict->SetAt(FX_BSTRC("Differences"), pDiff); |
| return pDict; |
| } |
| CPDF_TrueTypeFont::CPDF_TrueTypeFont() : CPDF_SimpleFont(PDFFONT_TRUETYPE) |
| { |
| } |
| FX_BOOL CPDF_TrueTypeFont::_Load() |
| { |
| return LoadCommon(); |
| } |
| extern FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode); |
| void CPDF_TrueTypeFont::LoadGlyphMap() |
| { |
| if (m_Font.m_Face == NULL) { |
| return; |
| } |
| int baseEncoding = m_BaseEncoding; |
| if (m_pFontFile && m_Font.m_Face->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.m_Face); i++) { |
| int platform_id = FXFT_Get_Charmap_PlatformID(FXFT_Get_Face_Charmaps(m_Font.m_Face)[i]); |
| if (platform_id == 0 || platform_id == 3) { |
| bSupportWin = TRUE; |
| } else if (platform_id == 0 || platform_id == 1) { |
| bSupportMac = TRUE; |
| } |
| } |
| if (baseEncoding == PDFFONT_ENCODING_WINANSI && !bSupportWin) { |
| baseEncoding = bSupportMac ? PDFFONT_ENCODING_MACROMAN : PDFFONT_ENCODING_BUILTIN; |
| } else if (baseEncoding == PDFFONT_ENCODING_MACROMAN && !bSupportMac) { |
| baseEncoding = bSupportWin ? PDFFONT_ENCODING_WINANSI : PDFFONT_ENCODING_BUILTIN; |
| } |
| } |
| if (((baseEncoding == PDFFONT_ENCODING_MACROMAN || baseEncoding == PDFFONT_ENCODING_WINANSI) |
| && m_pCharNames == NULL) || (m_Flags & PDFFONT_NONSYMBOLIC)) { |
| if (!FXFT_Has_Glyph_Names(m_Font.m_Face) && (!m_Font.m_Face->num_charmaps || !m_Font.m_Face->charmaps)) { |
| int nStartChar = m_pFontDict->GetInteger(FX_BSTRC("FirstChar")); |
| if(nStartChar < 0 || nStartChar > 255) |
| return; |
| |
| int charcode = 0; |
| for (; charcode < nStartChar; charcode ++) { |
| m_GlyphIndex[charcode] = 0; |
| } |
| FX_WORD nGlyph = charcode - nStartChar + 3; |
| for (; charcode < 256; charcode ++, nGlyph ++) { |
| m_GlyphIndex[charcode] = nGlyph; |
| } |
| return; |
| } |
| FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.m_Face, 3, 1); |
| FX_BOOL bMacRoman = FALSE, bMSSymbol = FALSE; |
| if (!bMSUnicode) { |
| if (m_Flags & PDFFONT_NONSYMBOLIC) { |
| bMacRoman = FT_UseTTCharmap(m_Font.m_Face, 1, 0); |
| bMSSymbol = !bMacRoman && FT_UseTTCharmap(m_Font.m_Face, 3, 0); |
| } else { |
| bMSSymbol = FT_UseTTCharmap(m_Font.m_Face, 3, 0); |
| bMacRoman = !bMSSymbol && FT_UseTTCharmap(m_Font.m_Face, 1, 0); |
| } |
| } |
| FX_BOOL bToUnicode = m_pFontDict->KeyExist(FX_BSTRC("ToUnicode")); |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(baseEncoding, m_pCharNames, charcode); |
| if (name == NULL) { |
| m_GlyphIndex[charcode] = m_pFontFile ? FXFT_Get_Char_Index(m_Font.m_Face, charcode) : -1; |
| continue; |
| } |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| if (bMSSymbol) { |
| const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; |
| for (int j = 0; j < 4; j ++) { |
| FX_WORD unicode = prefix[j] * 256 + charcode; |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, unicode); |
| if (m_GlyphIndex[charcode]) { |
| break; |
| } |
| } |
| } else if (m_Encoding.m_Unicodes[charcode]) { |
| if (bMSUnicode) { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, m_Encoding.m_Unicodes[charcode]); |
| } else if (bMacRoman) { |
| FX_DWORD maccode = FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, m_Encoding.m_Unicodes[charcode]); |
| if (!maccode) { |
| m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.m_Face, (char *)name); |
| } else { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, maccode); |
| } |
| } |
| } |
| if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) && name != NULL) { |
| if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, 32); |
| } else { |
| m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.m_Face, (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.m_Face, wsUnicode[0]); |
| m_Encoding.m_Unicodes[charcode] = wsUnicode[0]; |
| } |
| } |
| if (m_GlyphIndex[charcode] == 0) { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, charcode); |
| } |
| } |
| } |
| } |
| } |
| return; |
| } |
| if (FT_UseTTCharmap(m_Font.m_Face, 3, 0)) { |
| const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2}; |
| FX_BOOL bGotOne = FALSE; |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| for (int j = 0; j < 4; j ++) { |
| FX_WORD unicode = prefix[j] * 256 + charcode; |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, unicode); |
| if (m_GlyphIndex[charcode]) { |
| bGotOne = TRUE; |
| break; |
| } |
| } |
| } |
| if (bGotOne) { |
| if (baseEncoding != PDFFONT_ENCODING_BUILTIN) { |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| const FX_CHAR* name = GetAdobeCharName(baseEncoding, m_pCharNames, charcode); |
| if (name == NULL) { |
| continue; |
| } |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| } |
| } else if (FT_UseTTCharmap(m_Font.m_Face, 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.m_Face, 1, 0)) { |
| FX_BOOL bGotOne = FALSE; |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, charcode); |
| m_Encoding.m_Unicodes[charcode] = FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode); |
| if (m_GlyphIndex[charcode]) { |
| bGotOne = TRUE; |
| } |
| } |
| if (m_pFontFile || bGotOne) { |
| return; |
| } |
| } |
| if (FXFT_Select_Charmap(m_Font.m_Face, FXFT_ENCODING_UNICODE) == 0) { |
| FX_BOOL bGotOne = FALSE; |
| const FX_WORD* pUnicodes = PDF_UnicodesForPredefinedCharSet(baseEncoding); |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| if (m_pFontFile == NULL) { |
| const FX_CHAR* name = GetAdobeCharName(0, m_pCharNames, charcode); |
| if (name != NULL) { |
| m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name); |
| } else if (pUnicodes) { |
| m_Encoding.m_Unicodes[charcode] = pUnicodes[charcode]; |
| } |
| } else { |
| m_Encoding.m_Unicodes[charcode] = charcode; |
| } |
| m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.m_Face, m_Encoding.m_Unicodes[charcode]); |
| if (m_GlyphIndex[charcode]) { |
| bGotOne = TRUE; |
| } |
| } |
| if (bGotOne) { |
| return; |
| } |
| } |
| for (int charcode = 0; charcode < 256; charcode ++) { |
| m_GlyphIndex[charcode] = charcode; |
| } |
| } |
| CPDF_Type3Font::CPDF_Type3Font() : CPDF_SimpleFont(PDFFONT_TYPE3) |
| { |
| m_pPageResources = NULL; |
| FXSYS_memset32(m_CharWidthL, 0, sizeof m_CharWidthL); |
| } |
| CPDF_Type3Font::~CPDF_Type3Font() |
| { |
| FX_POSITION pos = m_CacheMap.GetStartPosition(); |
| while (pos) { |
| void* key; |
| void* value; |
| m_CacheMap.GetNextAssoc(pos, key, value); |
| delete (CPDF_Type3Char*)value; |
| } |
| m_CacheMap.RemoveAll(); |
| pos = m_DeletedMap.GetStartPosition(); |
| while (pos) { |
| void* key; |
| void* value; |
| m_DeletedMap.GetNextAssoc(pos, key, value); |
| delete (CPDF_Type3Char*)key; |
| } |
| } |
| FX_BOOL CPDF_Type3Font::_Load() |
| { |
| m_pFontResources = m_pFontDict->GetDict(FX_BSTRC("Resources")); |
| CPDF_Array* pMatrix = m_pFontDict->GetArray(FX_BSTRC("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->GetArray(FX_BSTRC("FontBBox")); |
| if (pBBox) { |
| m_FontBBox.left = (int32_t)(FXSYS_Mul(pBBox->GetNumber(0), xscale) * 1000); |
| m_FontBBox.bottom = (int32_t)(FXSYS_Mul(pBBox->GetNumber(1), yscale) * 1000); |
| m_FontBBox.right = (int32_t)(FXSYS_Mul(pBBox->GetNumber(2), xscale) * 1000); |
| m_FontBBox.top = (int32_t)(FXSYS_Mul(pBBox->GetNumber(3), yscale) * 1000); |
| } |
| int StartChar = m_pFontDict->GetInteger(FX_BSTRC("FirstChar")); |
| CPDF_Array* pWidthArray = m_pFontDict->GetArray(FX_BSTRC("Widths")); |
| if (pWidthArray && (StartChar >= 0 && StartChar < 256)) { |
| FX_DWORD count = pWidthArray->GetCount(); |
| if (count > 256) { |
| count = 256; |
| } |
| if (StartChar + count > 256) { |
| count = 256 - StartChar; |
| } |
| for (FX_DWORD i = 0; i < count; i ++) { |
| m_CharWidthL[StartChar + i] = FXSYS_round(FXSYS_Mul(pWidthArray->GetNumber(i), xscale) * 1000); |
| } |
| } |
| m_pCharProcs = m_pFontDict->GetDict(FX_BSTRC("CharProcs")); |
| CPDF_Object* pEncoding = m_pFontDict->GetElementValue(FX_BSTRC("Encoding")); |
| if (pEncoding) { |
| LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, FALSE, FALSE); |
| if (m_pCharNames) { |
| for (int i = 0; i < 256; i ++) { |
| m_Encoding.m_Unicodes[i] = PDF_UnicodeFromAdobeName(m_pCharNames[i]); |
| if (m_Encoding.m_Unicodes[i] == 0) { |
| m_Encoding.m_Unicodes[i] = i; |
| } |
| } |
| } |
| } |
| return TRUE; |
| } |
| void CPDF_Type3Font::CheckType3FontMetrics() |
| { |
| CheckFontMetrics(); |
| } |
| CPDF_Type3Char* CPDF_Type3Font::LoadChar(FX_DWORD charcode, int level) |
| { |
| if (level >= _FPDF_MAX_TYPE3_FORM_LEVEL_) { |
| return NULL; |
| } |
| CPDF_Type3Char* pChar = NULL; |
| if (m_CacheMap.Lookup((void*)(uintptr_t)charcode, (void*&)pChar)) { |
| if (pChar->m_bPageRequired && m_pPageResources) { |
| delete pChar; |
| m_CacheMap.RemoveKey((void*)(uintptr_t)charcode); |
| return LoadChar(charcode, level + 1); |
| } |
| return pChar; |
| } |
| const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode); |
| if (name == NULL) { |
| return NULL; |
| } |
| CPDF_Stream* pStream = (CPDF_Stream*)(m_pCharProcs ? m_pCharProcs->GetElementValue(name) : NULL); |
| if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM) { |
| return NULL; |
| } |
| pChar = new CPDF_Type3Char; |
| pChar->m_pForm = new CPDF_Form(m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources, pStream, NULL); |
| pChar->m_pForm->ParseContent(NULL, NULL, pChar, NULL, level + 1); |
| FX_FLOAT scale = m_FontMatrix.GetXUnit(); |
| pChar->m_Width = (int32_t)(pChar->m_Width * scale + 0.5f); |
| FX_RECT &rcBBox = pChar->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 = pChar->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); |
| m_CacheMap.SetAt((void*)(uintptr_t)charcode, pChar); |
| if (pChar->m_pForm->CountObjects() == 0) { |
| delete pChar->m_pForm; |
| pChar->m_pForm = NULL; |
| } |
| return pChar; |
| } |
| int CPDF_Type3Font::GetCharWidthF(FX_DWORD charcode, int level) |
| { |
| if (charcode > 0xff) { |
| charcode = 0; |
| } |
| if (m_CharWidthL[charcode]) { |
| return m_CharWidthL[charcode]; |
| } |
| CPDF_Type3Char* pChar = LoadChar(charcode, level); |
| if (pChar == NULL) { |
| return 0; |
| } |
| return pChar->m_Width; |
| } |
| void CPDF_Type3Font::GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level) |
| { |
| CPDF_Type3Char* pChar = LoadChar(charcode, level); |
| if (pChar == NULL) { |
| rect.left = rect.right = rect.top = rect.bottom = 0; |
| return; |
| } |
| rect = pChar->m_BBox; |
| } |
| CPDF_Type3Char::CPDF_Type3Char() |
| { |
| m_pForm = NULL; |
| m_pBitmap = NULL; |
| m_bPageRequired = FALSE; |
| m_bColored = FALSE; |
| } |
| CPDF_Type3Char::~CPDF_Type3Char() |
| { |
| if (m_pForm) { |
| delete m_pForm; |
| } |
| if (m_pBitmap) { |
| delete m_pBitmap; |
| } |
| } |
