diff options
Diffstat (limited to 'core/fpdfapi/fpdf_font/fpdf_font_cid.cpp')
| -rw-r--r-- | core/fpdfapi/fpdf_font/fpdf_font_cid.cpp | 893 |
1 files changed, 5 insertions, 888 deletions
diff --git a/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp index c73043abfa..95452a7227 100644 --- a/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp +++ b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp @@ -13,7 +13,6 @@ #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" #include "core/fpdfapi/include/cpdf_modulemgr.h" #include "core/fxcrt/include/fx_ext.h" -#include "core/include/fpdfapi/fpdf_resource.h" #include "core/include/fxge/fx_freetype.h" #include "core/include/fxge/fx_ge.h" @@ -22,7 +21,6 @@ namespace { const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = { nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"}; -const uint16_t g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200}; class CPDF_PredefinedCMap { public: @@ -192,14 +190,6 @@ CIDSet CIDSetFromSizeT(size_t index) { return static_cast<CIDSet>(index); } -CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { - for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { - if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) - return CIDSetFromSizeT(charset); - } - return CIDSET_UNKNOWN; -} - CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) { return word.Mid(1, word.GetLength() - 2); } @@ -284,183 +274,6 @@ int GetCharSizeImpl(FX_DWORD charcode, return 1; } -#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ - -bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) { - switch (charset) { - case CIDSET_GB1: - case CIDSET_CNS1: - case CIDSET_JAPAN1: - case CIDSET_KOREA1: - return true; - - default: - return false; - } -} - -FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, - CIDSet charset, - FX_WCHAR unicode) { - if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) - return 0; - - CPDF_FontGlobals* pFontGlobals = - CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); - const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; - if (!pCodes) - return 0; - - int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; - for (int i = 0; i < nCodes; ++i) { - if (pCodes[i] == unicode) { - FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i); - if (CharCode != 0) { - return CharCode; - } - } - } - return 0; -} - -FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, - CIDSet charset, - FX_DWORD charcode) { - if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) - return 0; - - uint16_t cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode); - if (cid == 0) - return 0; - - CPDF_FontGlobals* pFontGlobals = - CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); - const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; - if (!pCodes) - return 0; - - if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) - return pCodes[cid]; - return 0; -} - -#endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ - -void FT_UseCIDCharmap(FXFT_Face face, int coding) { - int encoding; - switch (coding) { - case CIDCODING_GB: - encoding = FXFT_ENCODING_GB2312; - break; - case CIDCODING_BIG5: - encoding = FXFT_ENCODING_BIG5; - break; - case CIDCODING_JIS: - encoding = FXFT_ENCODING_SJIS; - break; - case CIDCODING_KOREA: - encoding = FXFT_ENCODING_JOHAB; - break; - default: - encoding = FXFT_ENCODING_UNICODE; - } - int err = FXFT_Select_Charmap(face, encoding); - if (err) { - err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); - } - if (err && FXFT_Get_Face_Charmaps(face)) { - FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face)); - } -} - -const struct CIDTransform { - uint16_t CID; - uint8_t a, b, c, d, e, f; -} g_Japan1_VertCIDs[] = { - {97, 129, 0, 0, 127, 55, 0}, {7887, 127, 0, 0, 127, 76, 89}, - {7888, 127, 0, 0, 127, 79, 94}, {7889, 0, 129, 127, 0, 17, 127}, - {7890, 0, 129, 127, 0, 17, 127}, {7891, 0, 129, 127, 0, 17, 127}, - {7892, 0, 129, 127, 0, 17, 127}, {7893, 0, 129, 127, 0, 17, 127}, - {7894, 0, 129, 127, 0, 17, 127}, {7895, 0, 129, 127, 0, 17, 127}, - {7896, 0, 129, 127, 0, 17, 127}, {7897, 0, 129, 127, 0, 17, 127}, - {7898, 0, 129, 127, 0, 17, 127}, {7899, 0, 129, 127, 0, 17, 104}, - {7900, 0, 129, 127, 0, 17, 127}, {7901, 0, 129, 127, 0, 17, 104}, - {7902, 0, 129, 127, 0, 17, 127}, {7903, 0, 129, 127, 0, 17, 127}, - {7904, 0, 129, 127, 0, 17, 127}, {7905, 0, 129, 127, 0, 17, 114}, - {7906, 0, 129, 127, 0, 17, 127}, {7907, 0, 129, 127, 0, 17, 127}, - {7908, 0, 129, 127, 0, 17, 127}, {7909, 0, 129, 127, 0, 17, 127}, - {7910, 0, 129, 127, 0, 17, 127}, {7911, 0, 129, 127, 0, 17, 127}, - {7912, 0, 129, 127, 0, 17, 127}, {7913, 0, 129, 127, 0, 17, 127}, - {7914, 0, 129, 127, 0, 17, 127}, {7915, 0, 129, 127, 0, 17, 114}, - {7916, 0, 129, 127, 0, 17, 127}, {7917, 0, 129, 127, 0, 17, 127}, - {7918, 127, 0, 0, 127, 18, 25}, {7919, 127, 0, 0, 127, 18, 25}, - {7920, 127, 0, 0, 127, 18, 25}, {7921, 127, 0, 0, 127, 18, 25}, - {7922, 127, 0, 0, 127, 18, 25}, {7923, 127, 0, 0, 127, 18, 25}, - {7924, 127, 0, 0, 127, 18, 25}, {7925, 127, 0, 0, 127, 18, 25}, - {7926, 127, 0, 0, 127, 18, 25}, {7927, 127, 0, 0, 127, 18, 25}, - {7928, 127, 0, 0, 127, 18, 25}, {7929, 127, 0, 0, 127, 18, 25}, - {7930, 127, 0, 0, 127, 18, 25}, {7931, 127, 0, 0, 127, 18, 25}, - {7932, 127, 0, 0, 127, 18, 25}, {7933, 127, 0, 0, 127, 18, 25}, - {7934, 127, 0, 0, 127, 18, 25}, {7935, 127, 0, 0, 127, 18, 25}, - {7936, 127, 0, 0, 127, 18, 25}, {7937, 127, 0, 0, 127, 18, 25}, - {7938, 127, 0, 0, 127, 18, 25}, {7939, 127, 0, 0, 127, 18, 25}, - {8720, 0, 129, 127, 0, 19, 102}, {8721, 0, 129, 127, 0, 13, 127}, - {8722, 0, 129, 127, 0, 19, 108}, {8723, 0, 129, 127, 0, 19, 102}, - {8724, 0, 129, 127, 0, 19, 102}, {8725, 0, 129, 127, 0, 19, 102}, - {8726, 0, 129, 127, 0, 19, 102}, {8727, 0, 129, 127, 0, 19, 102}, - {8728, 0, 129, 127, 0, 19, 114}, {8729, 0, 129, 127, 0, 19, 114}, - {8730, 0, 129, 127, 0, 38, 108}, {8731, 0, 129, 127, 0, 13, 108}, - {8732, 0, 129, 127, 0, 19, 108}, {8733, 0, 129, 127, 0, 19, 108}, - {8734, 0, 129, 127, 0, 19, 108}, {8735, 0, 129, 127, 0, 19, 108}, - {8736, 0, 129, 127, 0, 19, 102}, {8737, 0, 129, 127, 0, 19, 102}, - {8738, 0, 129, 127, 0, 19, 102}, {8739, 0, 129, 127, 0, 19, 102}, - {8740, 0, 129, 127, 0, 19, 102}, {8741, 0, 129, 127, 0, 19, 102}, - {8742, 0, 129, 127, 0, 19, 102}, {8743, 0, 129, 127, 0, 19, 102}, - {8744, 0, 129, 127, 0, 19, 102}, {8745, 0, 129, 127, 0, 19, 102}, - {8746, 0, 129, 127, 0, 19, 114}, {8747, 0, 129, 127, 0, 19, 114}, - {8748, 0, 129, 127, 0, 19, 102}, {8749, 0, 129, 127, 0, 19, 102}, - {8750, 0, 129, 127, 0, 19, 102}, {8751, 0, 129, 127, 0, 19, 102}, - {8752, 0, 129, 127, 0, 19, 102}, {8753, 0, 129, 127, 0, 19, 102}, - {8754, 0, 129, 127, 0, 19, 102}, {8755, 0, 129, 127, 0, 19, 102}, - {8756, 0, 129, 127, 0, 19, 102}, {8757, 0, 129, 127, 0, 19, 102}, - {8758, 0, 129, 127, 0, 19, 102}, {8759, 0, 129, 127, 0, 19, 102}, - {8760, 0, 129, 127, 0, 19, 102}, {8761, 0, 129, 127, 0, 19, 102}, - {8762, 0, 129, 127, 0, 19, 102}, {8763, 0, 129, 127, 0, 19, 102}, - {8764, 0, 129, 127, 0, 19, 102}, {8765, 0, 129, 127, 0, 19, 102}, - {8766, 0, 129, 127, 0, 19, 102}, {8767, 0, 129, 127, 0, 19, 102}, - {8768, 0, 129, 127, 0, 19, 102}, {8769, 0, 129, 127, 0, 19, 102}, - {8770, 0, 129, 127, 0, 19, 102}, {8771, 0, 129, 127, 0, 19, 102}, - {8772, 0, 129, 127, 0, 19, 102}, {8773, 0, 129, 127, 0, 19, 102}, - {8774, 0, 129, 127, 0, 19, 102}, {8775, 0, 129, 127, 0, 19, 102}, - {8776, 0, 129, 127, 0, 19, 102}, {8777, 0, 129, 127, 0, 19, 102}, - {8778, 0, 129, 127, 0, 19, 102}, {8779, 0, 129, 127, 0, 19, 114}, - {8780, 0, 129, 127, 0, 19, 108}, {8781, 0, 129, 127, 0, 19, 114}, - {8782, 0, 129, 127, 0, 13, 114}, {8783, 0, 129, 127, 0, 19, 108}, - {8784, 0, 129, 127, 0, 13, 114}, {8785, 0, 129, 127, 0, 19, 108}, - {8786, 0, 129, 127, 0, 19, 108}, {8787, 0, 129, 127, 0, 19, 108}, - {8788, 0, 129, 127, 0, 19, 108}, {8789, 0, 129, 127, 0, 19, 108}, - {8790, 0, 129, 127, 0, 19, 108}, {8791, 0, 129, 127, 0, 19, 108}, - {8792, 0, 129, 127, 0, 19, 108}, {8793, 0, 129, 127, 0, 19, 108}, - {8794, 0, 129, 127, 0, 19, 108}, {8795, 0, 129, 127, 0, 19, 108}, - {8796, 0, 129, 127, 0, 19, 108}, {8797, 0, 129, 127, 0, 19, 108}, - {8798, 0, 129, 127, 0, 19, 108}, {8799, 0, 129, 127, 0, 19, 108}, - {8800, 0, 129, 127, 0, 19, 108}, {8801, 0, 129, 127, 0, 19, 108}, - {8802, 0, 129, 127, 0, 19, 108}, {8803, 0, 129, 127, 0, 19, 108}, - {8804, 0, 129, 127, 0, 19, 108}, {8805, 0, 129, 127, 0, 19, 108}, - {8806, 0, 129, 127, 0, 19, 108}, {8807, 0, 129, 127, 0, 19, 108}, - {8808, 0, 129, 127, 0, 19, 108}, {8809, 0, 129, 127, 0, 19, 108}, - {8810, 0, 129, 127, 0, 19, 108}, {8811, 0, 129, 127, 0, 19, 114}, - {8812, 0, 129, 127, 0, 19, 102}, {8813, 0, 129, 127, 0, 19, 114}, - {8814, 0, 129, 127, 0, 76, 102}, {8815, 0, 129, 127, 0, 13, 121}, - {8816, 0, 129, 127, 0, 19, 114}, {8817, 0, 129, 127, 0, 19, 127}, - {8818, 0, 129, 127, 0, 19, 114}, {8819, 0, 129, 127, 0, 218, 108}, -}; - -int CompareCIDTransform(const void* key, const void* element) { - uint16_t CID = *static_cast<const uint16_t*>(key); - return CID - static_cast<const struct CIDTransform*>(element)->CID; -} - } // namespace CPDF_CMapManager::CPDF_CMapManager() { @@ -975,706 +788,10 @@ void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount); } -CPDF_CIDFont::CPDF_CIDFont() - : m_pCMap(nullptr), - m_pAllocatedCMap(nullptr), - m_pCID2UnicodeMap(nullptr), - m_pCIDToGIDMap(nullptr), - m_bCIDIsGID(FALSE), - m_pAnsiWidths(nullptr), - m_bAdobeCourierStd(FALSE), - m_pTTGSUBTable(nullptr) {} - -CPDF_CIDFont::~CPDF_CIDFont() { - if (m_pAnsiWidths) { - FX_Free(m_pAnsiWidths); - } - delete m_pAllocatedCMap; - delete m_pCIDToGIDMap; - delete m_pTTGSUBTable; -} - -bool CPDF_CIDFont::IsCIDFont() const { - return true; -} - -const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const { - return this; -} - -CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() { - return this; -} - -uint16_t CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const { - if (!m_pCMap) { - return (uint16_t)charcode; - } - return m_pCMap->CIDFromCharCode(charcode); -} - -FX_BOOL CPDF_CIDFont::IsVertWriting() const { - return m_pCMap ? m_pCMap->IsVertWriting() : FALSE; -} - -CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(FX_DWORD charcode) const { - CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode); - if (!str.IsEmpty()) - return str; - FX_WCHAR ret = GetUnicodeFromCharCode(charcode); - if (ret == 0) - return CFX_WideString(); - return ret; -} - -FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(FX_DWORD charcode) const { - switch (m_pCMap->m_Coding) { - case CIDCODING_UCS2: - case CIDCODING_UTF16: - return (FX_WCHAR)charcode; - case CIDCODING_CID: - if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { - return 0; - } - return m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)charcode); - } - if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || - !m_pCID2UnicodeMap->IsLoaded()) { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - FX_WCHAR unicode; - int charsize = 1; - if (charcode > 255) { - charcode = (charcode % 256) * 256 + (charcode / 256); - charsize = 2; - } - int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, - (const FX_CHAR*)&charcode, charsize, - &unicode, 1); - if (ret != 1) { - return 0; - } - return unicode; -#else - if (m_pCMap->m_pEmbedMap) { - return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, - m_pCMap->m_Charset, charcode); - } - return 0; -#endif - } - return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode)); -} - -FX_DWORD CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const { - FX_DWORD charcode = CPDF_Font::CharCodeFromUnicode(unicode); - if (charcode) - return charcode; - switch (m_pCMap->m_Coding) { - case CIDCODING_UNKNOWN: - return 0; - case CIDCODING_UCS2: - case CIDCODING_UTF16: - return unicode; - case CIDCODING_CID: { - if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { - return 0; - } - FX_DWORD CID = 0; - while (CID < 65536) { - FX_WCHAR this_unicode = - m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)CID); - if (this_unicode == unicode) { - return CID; - } - CID++; - } - break; - } - } - - if (unicode < 0x80) { - return static_cast<FX_DWORD>(unicode); - } - if (m_pCMap->m_Coding == CIDCODING_CID) { - return 0; - } -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - uint8_t buffer[32]; - int ret = - FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, - (char*)buffer, 4, NULL, NULL); - if (ret == 1) { - return buffer[0]; - } - if (ret == 2) { - return buffer[0] * 256 + buffer[1]; - } -#else - if (m_pCMap->m_pEmbedMap) { - return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, - unicode); - } -#endif - return 0; -} - -FX_BOOL CPDF_CIDFont::Load() { - if (m_pFontDict->GetStringBy("Subtype") == "TrueType") { - return LoadGB2312(); - } - CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts"); - if (!pFonts) { - return FALSE; - } - if (pFonts->GetCount() != 1) { - return FALSE; - } - CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0); - if (!pCIDFontDict) { - return FALSE; - } - m_BaseFont = pCIDFontDict->GetStringBy("BaseFont"); - if ((m_BaseFont.Compare("CourierStd") == 0 || - m_BaseFont.Compare("CourierStd-Bold") == 0 || - m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || - m_BaseFont.Compare("CourierStd-Oblique") == 0) && - !IsEmbedded()) { - m_bAdobeCourierStd = TRUE; - } - CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor"); - if (pFontDesc) { - LoadFontDescriptor(pFontDesc); - } - CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); - if (!pEncoding) { - return FALSE; - } - CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype"); - m_bType1 = (subtype == "CIDFontType0"); - - if (pEncoding->IsName()) { - CFX_ByteString cmap = pEncoding->GetString(); - m_pCMap = - CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1); - } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { - m_pAllocatedCMap = m_pCMap = new CPDF_CMap; - CPDF_StreamAcc acc; - acc.LoadAllData(pStream, FALSE); - m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); - } else { - return FALSE; - } - if (!m_pCMap) { - return FALSE; - } - m_Charset = m_pCMap->m_Charset; - if (m_Charset == CIDSET_UNKNOWN) { - CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo"); - if (pCIDInfo) { - m_Charset = CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering")); - } - } - if (m_Charset != CIDSET_UNKNOWN) - m_pCID2UnicodeMap = - CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetCID2UnicodeMap( - m_Charset, - !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID || - pCIDFontDict->KeyExist("W"))); - if (m_Font.GetFace()) { - if (m_bType1) { - FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); - } else { - FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding); - } - } - m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000); - CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W"); - if (pWidthArray) { - LoadMetricsArray(pWidthArray, m_WidthList, 1); - } - if (!IsEmbedded()) { - LoadSubstFont(); - } - if (1) { - if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { - CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap"); - if (pmap) { - if (CPDF_Stream* pStream = pmap->AsStream()) { - m_pCIDToGIDMap = new CPDF_StreamAcc; - m_pCIDToGIDMap->LoadAllData(pStream, FALSE); - } else if (pmap->GetString() == "Identity") { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - if (m_pFontFile) { - m_bCIDIsGID = TRUE; - } -#else - m_bCIDIsGID = TRUE; -#endif - } - } - } - } - CheckFontMetrics(); - if (IsVertWriting()) { - pWidthArray = pCIDFontDict->GetArrayBy("W2"); - if (pWidthArray) { - LoadMetricsArray(pWidthArray, m_VertMetrics, 3); - } - CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2"); - if (pDefaultArray) { - m_DefaultVY = pDefaultArray->GetIntegerAt(0); - m_DefaultW1 = pDefaultArray->GetIntegerAt(1); - } else { - m_DefaultVY = 880; - m_DefaultW1 = -1000; - } - } - return TRUE; -} - -FX_RECT CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, int level) { - if (charcode < 256 && m_CharBBox[charcode].right != FX_SMALL_RECT::kInvalid) - return FX_RECT(m_CharBBox[charcode]); - - FX_RECT rect; - FX_BOOL bVert = FALSE; - int glyph_index = GlyphFromCharCode(charcode, &bVert); - FXFT_Face face = m_Font.GetFace(); - if (face) { - if (FXFT_Is_Face_Tricky(face)) { - int err = FXFT_Load_Glyph(face, glyph_index, - FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); - if (!err) { - FXFT_BBox cbox; - FXFT_Glyph glyph; - err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph); - if (!err) { - FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); - int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; - int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; - if (pixel_size_x == 0 || pixel_size_y == 0) { - rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin); - } else { - rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x, - cbox.yMax * 1000 / pixel_size_y, - cbox.xMax * 1000 / pixel_size_x, - cbox.yMin * 1000 / pixel_size_y); - } - if (rect.top > FXFT_Get_Face_Ascender(face)) { - rect.top = FXFT_Get_Face_Ascender(face); - } - if (rect.bottom < FXFT_Get_Face_Descender(face)) { - rect.bottom = FXFT_Get_Face_Descender(face); - } - FXFT_Done_Glyph(glyph); - } - } - } else { - int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE); - if (err == 0) { - rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), - TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), - TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + - FXFT_Get_Glyph_Width(face), - face), - TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - - FXFT_Get_Glyph_Height(face), - face)); - rect.top += rect.top / 64; - } - } - } - if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) { - uint16_t CID = CIDFromCharCode(charcode); - const uint8_t* pTransform = GetCIDTransform(CID); - if (pTransform && !bVert) { - CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]), - CIDTransformToFloat(pTransform[1]), - CIDTransformToFloat(pTransform[2]), - CIDTransformToFloat(pTransform[3]), - CIDTransformToFloat(pTransform[4]) * 1000, - CIDTransformToFloat(pTransform[5]) * 1000); - CFX_FloatRect rect_f(rect); - rect_f.Transform(&matrix); - rect = rect_f.GetOutterRect(); - } - } - if (charcode < 256) - m_CharBBox[charcode] = rect.ToSmallRect(); - - return rect; -} -int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) { - if (m_pAnsiWidths && charcode < 0x80) { - return m_pAnsiWidths[charcode]; - } - uint16_t cid = CIDFromCharCode(charcode); - int size = m_WidthList.GetSize(); - FX_DWORD* list = m_WidthList.GetData(); - for (int i = 0; i < size; i += 3) { - if (cid >= list[i] && cid <= list[i + 1]) { - return (int)list[i + 2]; - } - } - return m_DefaultWidth; -} -short CPDF_CIDFont::GetVertWidth(uint16_t CID) const { - FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; - if (vertsize == 0) { - return m_DefaultW1; - } - const FX_DWORD* pTable = m_VertMetrics.GetData(); - for (FX_DWORD i = 0; i < vertsize; i++) - if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { - return (short)(int)pTable[i * 5 + 2]; - } - return m_DefaultW1; -} -void CPDF_CIDFont::GetVertOrigin(uint16_t CID, short& vx, short& vy) const { - FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; - if (vertsize) { - const FX_DWORD* pTable = m_VertMetrics.GetData(); - for (FX_DWORD i = 0; i < vertsize; i++) - if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { - vx = (short)(int)pTable[i * 5 + 3]; - vy = (short)(int)pTable[i * 5 + 4]; - return; - } - } - FX_DWORD dwWidth = m_DefaultWidth; - int size = m_WidthList.GetSize(); - const FX_DWORD* list = m_WidthList.GetData(); - for (int i = 0; i < size; i += 3) { - if (CID >= list[i] && CID <= list[i + 1]) { - dwWidth = (uint16_t)list[i + 2]; - break; - } - } - vx = (short)dwWidth / 2; - vy = (short)m_DefaultVY; -} -int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) { - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - FXFT_Face face = m_Font.GetFace(); - int index = FXFT_Get_Char_Index(face, unicode); - if (unicode == 0x2502) { - return index; - } - if (index && IsVertWriting()) { - if (m_pTTGSUBTable) { - uint32_t vindex = 0; - m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); - if (vindex) { - index = vindex; - if (pVertGlyph) { - *pVertGlyph = TRUE; - } - } - return index; - } - if (!m_Font.GetSubData()) { - unsigned long length = 0; - int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, - NULL, &length); - if (!error) { - m_Font.SetSubData(FX_Alloc(uint8_t, length)); - } - } - int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, - m_Font.GetSubData(), NULL); - if (!error && m_Font.GetSubData()) { - m_pTTGSUBTable = new CFX_CTTGSUBTable; - m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData()); - uint32_t vindex = 0; - m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); - if (vindex) { - index = vindex; - if (pVertGlyph) { - *pVertGlyph = TRUE; - } - } - } - return index; - } - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - return index; -} -int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { - if (pVertGlyph) { - *pVertGlyph = FALSE; - } - if (!m_pFontFile && !m_pCIDToGIDMap) { - uint16_t cid = CIDFromCharCode(charcode); - FX_WCHAR unicode = 0; - if (m_bCIDIsGID) { -#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ - return cid; -#else - if (m_Flags & PDFFONT_SYMBOLIC) { - return cid; - } - CFX_WideString uni_str = UnicodeFromCharCode(charcode); - if (uni_str.IsEmpty()) { - return cid; - } - unicode = uni_str.GetAt(0); -#endif - } else { - if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) { - unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid); - } - if (unicode == 0) { - unicode = GetUnicodeFromCharCode(charcode); - } - if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) { - unicode = UnicodeFromCharCode(charcode).GetAt(0); - } - } - FXFT_Face face = m_Font.GetFace(); - if (unicode == 0) { - if (!m_bAdobeCourierStd) { - return charcode == 0 ? -1 : (int)charcode; - } - charcode += 31; - int index = 0, iBaseEncoding; - FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1); - FX_BOOL bMacRoman = FALSE; - if (!bMSUnicode) { - bMacRoman = FT_UseTTCharmap(face, 1, 0); - } - iBaseEncoding = PDFFONT_ENCODING_STANDARD; - if (bMSUnicode) { - iBaseEncoding = PDFFONT_ENCODING_WINANSI; - } else if (bMacRoman) { - iBaseEncoding = PDFFONT_ENCODING_MACROMAN; - } - const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode); - if (!name) { - return charcode == 0 ? -1 : (int)charcode; - } - uint16_t unicode = PDF_UnicodeFromAdobeName(name); - if (unicode) { - if (bMSUnicode) { - index = FXFT_Get_Char_Index(face, unicode); - } else if (bMacRoman) { - FX_DWORD maccode = - FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); - index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) - : FXFT_Get_Char_Index(face, maccode); - } else { - return FXFT_Get_Char_Index(face, unicode); - } - } else { - return charcode == 0 ? -1 : (int)charcode; - } - if (index == 0 || index == 0xffff) { - return charcode == 0 ? -1 : (int)charcode; - } - return index; - } - if (m_Charset == CIDSET_JAPAN1) { - if (unicode == '\\') { - unicode = '/'; -#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ - } else if (unicode == 0xa5) { - unicode = 0x5c; -#endif - } - } - if (!face) - return unicode; - - int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); - if (err != 0) { - int i; - for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { - FX_DWORD ret = FT_CharCodeFromUnicode( - FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]), - (FX_WCHAR)charcode); - if (ret == 0) { - continue; - } - FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); - unicode = (FX_WCHAR)ret; - break; - } - if (i == FXFT_Get_Face_CharmapCount(face) && i) { - FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); - unicode = (FX_WCHAR)charcode; - } - } - if (FXFT_Get_Face_Charmap(face)) { - int index = GetGlyphIndex(unicode, pVertGlyph); - if (index == 0) - return -1; - return index; - } - return unicode; - } - if (!m_Font.GetFace()) - return -1; - - uint16_t cid = CIDFromCharCode(charcode); - if (m_bType1) { - if (!m_pCIDToGIDMap) { - return cid; - } - } else { - if (!m_pCIDToGIDMap) { - if (m_pFontFile && !m_pCMap->m_pMapping) - return cid; - if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || - !FXFT_Get_Face_Charmap(m_Font.GetFace())) { - return cid; - } - if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) == - FXFT_ENCODING_UNICODE) { - CFX_WideString unicode_str = UnicodeFromCharCode(charcode); - if (unicode_str.IsEmpty()) { - return -1; - } - charcode = unicode_str.GetAt(0); - } - return GetGlyphIndex(charcode, pVertGlyph); - } - } - FX_DWORD byte_pos = cid * 2; - if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) - return -1; - - const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos; - return pdata[0] * 256 + pdata[1]; -} -FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString, - int nStrLen, - int& offset) const { - return m_pCMap->GetNextChar(pString, nStrLen, offset); -} -int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const { - return m_pCMap->GetCharSize(charcode); -} -int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const { - return m_pCMap->CountChar(pString, size); -} -int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { - return m_pCMap->AppendChar(str, charcode); -} -FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { - if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || - !m_pCID2UnicodeMap->IsLoaded()) { - return m_pCMap->m_Coding != CIDCODING_UNKNOWN; - } - return TRUE; -} -FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const { - return TRUE; -} -void CPDF_CIDFont::LoadSubstFont() { - m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, - g_CharsetCPs[m_Charset], IsVertWriting()); -} -void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, - CFX_DWordArray& result, - int nElements) { - int width_status = 0; - int iCurElement = 0; - int first_code = 0; - int last_code = 0; - FX_DWORD count = pArray->GetCount(); - for (FX_DWORD i = 0; i < count; i++) { - CPDF_Object* pObj = pArray->GetElementValue(i); - if (!pObj) - continue; - - if (CPDF_Array* pArray = pObj->AsArray()) { - if (width_status != 1) - return; - - FX_DWORD count = pArray->GetCount(); - for (FX_DWORD j = 0; j < count; j += nElements) { - result.Add(first_code); - result.Add(first_code); - for (int k = 0; k < nElements; k++) { - result.Add(pArray->GetIntegerAt(j + k)); - } - first_code++; - } - width_status = 0; - } else { - if (width_status == 0) { - first_code = pObj->GetInteger(); - width_status = 1; - } else if (width_status == 1) { - last_code = pObj->GetInteger(); - width_status = 2; - iCurElement = 0; - } else { - if (!iCurElement) { - result.Add(first_code); - result.Add(last_code); - } - result.Add(pObj->GetInteger()); - iCurElement++; - if (iCurElement == nElements) { - width_status = 0; - } - } - } - } -} - -// static -FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) { - if (ch < 128) { - return ch * 1.0f / 127; - } - return (-255 + ch) * 1.0f / 127; -} - -FX_BOOL CPDF_CIDFont::LoadGB2312() { - m_BaseFont = m_pFontDict->GetStringBy("BaseFont"); - CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); - if (pFontDesc) { - LoadFontDescriptor(pFontDesc); - } - m_Charset = CIDSET_GB1; - m_bType1 = FALSE; - m_pCMap = CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE); - m_pCID2UnicodeMap = CPDF_ModuleMgr::Get() - ->GetPageModule() - ->GetFontGlobals() - ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE); - if (!IsEmbedded()) { - LoadSubstFont(); - } - CheckFontMetrics(); - m_DefaultWidth = 1000; - m_pAnsiWidths = FX_Alloc(uint16_t, 128); - for (int i = 32; i < 127; i++) { - m_pAnsiWidths[i] = 500; +CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { + for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { + if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) + return CIDSetFromSizeT(charset); } - return TRUE; -} - -const uint8_t* CPDF_CIDFont::GetCIDTransform(uint16_t CID) const { - if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) - return nullptr; - - const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch( - &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs), - sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform); - return found ? &found->a : nullptr; + return CIDSET_UNKNOWN; } |