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Diffstat (limited to 'core/fpdfapi/fpdf_font/fpdf_font.cpp')
-rw-r--r--core/fpdfapi/fpdf_font/fpdf_font.cpp1515
1 files changed, 2 insertions, 1513 deletions
diff --git a/core/fpdfapi/fpdf_font/fpdf_font.cpp b/core/fpdfapi/fpdf_font/fpdf_font.cpp
index 8dc91616f9..c0c6f520f4 100644
--- a/core/fpdfapi/fpdf_font/fpdf_font.cpp
+++ b/core/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -14,87 +14,12 @@
#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.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 "third_party/base/stl_util.h"
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
-#include "core/fxge/apple/apple_int.h"
-#endif
-
-namespace {
-
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
-struct GlyphNameMap {
- const FX_CHAR* m_pStrAdobe;
- const FX_CHAR* m_pStrUnicode;
-};
-
-const GlyphNameMap g_GlyphNameSubsts[] = {{"ff", "uniFB00"},
- {"fi", "uniFB01"},
- {"fl", "uniFB02"},
- {"ffi", "uniFB03"},
- {"ffl", "uniFB04"}};
-
-int compareString(const void* key, const void* element) {
- return FXSYS_stricmp((const FX_CHAR*)key,
- ((GlyphNameMap*)element)->m_pStrAdobe);
-}
-
-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
-
-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}};
-
-FX_BOOL GetPredefinedEncoding(int& basemap, const CFX_ByteString& value) {
- if (value == "WinAnsiEncoding") {
- basemap = PDFFONT_ENCODING_WINANSI;
- } else if (value == "MacRomanEncoding") {
- basemap = PDFFONT_ENCODING_MACROMAN;
- } else if (value == "MacExpertEncoding") {
- basemap = PDFFONT_ENCODING_MACEXPERT;
- } else if (value == "PDFDocEncoding") {
- basemap = PDFFONT_ENCODING_PDFDOC;
- } else {
- return FALSE;
- }
- return TRUE;
-}
-
-FX_BOOL FT_UseType1Charmap(FXFT_Face face) {
- if (FXFT_Get_Face_CharmapCount(face) == 0) {
- return FALSE;
- }
- if (FXFT_Get_Face_CharmapCount(face) == 1 &&
- FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) ==
- FXFT_ENCODING_UNICODE) {
- return FALSE;
- }
- if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) ==
- FXFT_ENCODING_UNICODE) {
- FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[1]);
- } else {
- FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]);
- }
- return TRUE;
-}
-
-} // namespace
-
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]) ==
@@ -156,356 +81,15 @@ void CPDF_FontGlobals::Clear(CPDF_Document* pDoc) {
m_StockMap.erase(pDoc);
}
-CPDF_Font::CPDF_Font()
- : m_pFontFile(nullptr),
- m_pFontDict(nullptr),
- m_pToUnicodeMap(nullptr),
- m_bToUnicodeLoaded(FALSE),
- m_Flags(0),
- m_StemV(0),
- m_Ascent(0),
- m_Descent(0),
- m_ItalicAngle(0) {}
-
-CPDF_Font::~CPDF_Font() {
- delete m_pToUnicodeMap;
- m_pToUnicodeMap = NULL;
-
- if (m_pFontFile) {
- m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
- const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream()));
- }
-}
-
-bool CPDF_Font::IsType1Font() const {
- return false;
-}
-
-bool CPDF_Font::IsTrueTypeFont() const {
- return false;
-}
-
-bool CPDF_Font::IsType3Font() const {
- return false;
-}
-
-bool CPDF_Font::IsCIDFont() const {
- return false;
-}
-
-const CPDF_Type1Font* CPDF_Font::AsType1Font() const {
- return nullptr;
-}
-
-CPDF_Type1Font* CPDF_Font::AsType1Font() {
- return nullptr;
-}
-
-const CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() const {
- return nullptr;
-}
-
-CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() {
- return nullptr;
-}
-
-const CPDF_Type3Font* CPDF_Font::AsType3Font() const {
- return nullptr;
-}
-
-CPDF_Type3Font* CPDF_Font::AsType3Font() {
- return nullptr;
-}
-
-const CPDF_CIDFont* CPDF_Font::AsCIDFont() const {
- return nullptr;
-}
-
-CPDF_CIDFont* CPDF_Font::AsCIDFont() {
- return nullptr;
-}
-
-FX_BOOL CPDF_Font::IsUnicodeCompatible() const {
- return FALSE;
-}
-
-int CPDF_Font::CountChar(const FX_CHAR* pString, int size) const {
- return size;
-}
-
-int CPDF_Font::GetCharSize(FX_DWORD charcode) const {
- return 1;
-}
-
-int CPDF_Font::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) {
- ASSERT(false);
- return 0;
-}
-
-int CPDF_Font::GlyphFromCharCodeExt(FX_DWORD charcode) {
- return GlyphFromCharCode(charcode);
-}
-
-FX_BOOL CPDF_Font::IsVertWriting() const {
- FX_BOOL bVertWriting = FALSE;
- const CPDF_CIDFont* pCIDFont = AsCIDFont();
- if (pCIDFont) {
- bVertWriting = pCIDFont->IsVertWriting();
- } else {
- bVertWriting = m_Font.IsVertical();
- }
- return bVertWriting;
-}
-
-int CPDF_Font::AppendChar(FX_CHAR* buf, FX_DWORD charcode) const {
- *buf = (FX_CHAR)charcode;
- return 1;
-}
-
-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)
- return m_pToUnicodeMap->Lookup(charcode);
- return CFX_WideString();
-}
-
-FX_DWORD CPDF_Font::CharCodeFromUnicode(FX_WCHAR unicode) const {
- if (!m_bToUnicodeLoaded)
- ((CPDF_Font*)this)->LoadUnicodeMap();
-
- if (m_pToUnicodeMap)
- return m_pToUnicodeMap->ReverseLookup(unicode);
- return 0;
-}
-
-void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) {
- m_Flags = pFontDesc->GetIntegerBy("Flags", PDFFONT_NONSYMBOLIC);
- int ItalicAngle = 0;
- FX_BOOL bExistItalicAngle = FALSE;
- if (pFontDesc->KeyExist("ItalicAngle")) {
- ItalicAngle = pFontDesc->GetIntegerBy("ItalicAngle");
- bExistItalicAngle = TRUE;
- }
- if (ItalicAngle < 0) {
- m_Flags |= PDFFONT_ITALIC;
- m_ItalicAngle = ItalicAngle;
- }
- FX_BOOL bExistStemV = FALSE;
- if (pFontDesc->KeyExist("StemV")) {
- m_StemV = pFontDesc->GetIntegerBy("StemV");
- bExistStemV = TRUE;
- }
- FX_BOOL bExistAscent = FALSE;
- if (pFontDesc->KeyExist("Ascent")) {
- m_Ascent = pFontDesc->GetIntegerBy("Ascent");
- bExistAscent = TRUE;
- }
- FX_BOOL bExistDescent = FALSE;
- if (pFontDesc->KeyExist("Descent")) {
- m_Descent = pFontDesc->GetIntegerBy("Descent");
- bExistDescent = TRUE;
- }
- FX_BOOL bExistCapHeight = FALSE;
- if (pFontDesc->KeyExist("CapHeight")) {
- bExistCapHeight = TRUE;
- }
- if (bExistItalicAngle && bExistAscent && bExistCapHeight && bExistDescent &&
- bExistStemV) {
- m_Flags |= PDFFONT_USEEXTERNATTR;
- }
- if (m_Descent > 10) {
- m_Descent = -m_Descent;
- }
- CPDF_Array* pBBox = pFontDesc->GetArrayBy("FontBBox");
- if (pBBox) {
- m_FontBBox.left = pBBox->GetIntegerAt(0);
- m_FontBBox.bottom = pBBox->GetIntegerAt(1);
- m_FontBBox.right = pBBox->GetIntegerAt(2);
- m_FontBBox.top = pBBox->GetIntegerAt(3);
- }
-
- CPDF_Stream* pFontFile = pFontDesc->GetStreamBy("FontFile");
- if (!pFontFile)
- pFontFile = pFontDesc->GetStreamBy("FontFile2");
- if (!pFontFile)
- pFontFile = pFontDesc->GetStreamBy("FontFile3");
- if (!pFontFile)
- return;
-
- m_pFontFile = m_pDocument->LoadFontFile(pFontFile);
- if (!m_pFontFile)
- return;
- const uint8_t* pFontData = m_pFontFile->GetData();
- FX_DWORD dwFontSize = m_pFontFile->GetSize();
- if (!m_Font.LoadEmbedded(pFontData, dwFontSize)) {
- m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
- const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream()));
- m_pFontFile = nullptr;
- }
-}
short TT2PDF(int m, FXFT_Face face) {
int upm = FXFT_Get_Face_UnitsPerEM(face);
- if (upm == 0) {
+ 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) {
- FXFT_Face face = m_Font.GetFace();
- if (face) {
- m_FontBBox.left = TT2PDF(FXFT_Get_Face_xMin(face), face);
- m_FontBBox.bottom = TT2PDF(FXFT_Get_Face_yMin(face), face);
- m_FontBBox.right = TT2PDF(FXFT_Get_Face_xMax(face), face);
- m_FontBBox.top = TT2PDF(FXFT_Get_Face_yMax(face), face);
- m_Ascent = TT2PDF(FXFT_Get_Face_Ascender(face), face);
- m_Descent = TT2PDF(FXFT_Get_Face_Descender(face), face);
- } else {
- FX_BOOL bFirst = TRUE;
- for (int i = 0; i < 256; i++) {
- FX_RECT rect = GetCharBBox(i);
- if (rect.left == rect.right) {
- continue;
- }
- if (bFirst) {
- m_FontBBox = rect;
- bFirst = FALSE;
- } else {
- if (m_FontBBox.top < rect.top) {
- m_FontBBox.top = rect.top;
- }
- if (m_FontBBox.right < rect.right) {
- m_FontBBox.right = rect.right;
- }
- if (m_FontBBox.left > rect.left) {
- m_FontBBox.left = rect.left;
- }
- if (m_FontBBox.bottom > rect.bottom) {
- m_FontBBox.bottom = rect.bottom;
- }
- }
- }
- }
- }
- if (m_Ascent == 0 && m_Descent == 0) {
- FX_RECT rect = GetCharBBox('A');
- m_Ascent = rect.bottom == rect.top ? m_FontBBox.top : rect.top;
- rect = GetCharBBox('g');
- m_Descent = rect.bottom == rect.top ? m_FontBBox.bottom : rect.bottom;
- }
-}
-
-void CPDF_Font::LoadUnicodeMap() {
- m_bToUnicodeLoaded = TRUE;
- CPDF_Stream* pStream = m_pFontDict->GetStreamBy("ToUnicode");
- if (!pStream) {
- 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;
-}
-
-CPDF_Font* CPDF_Font::GetStockFont(CPDF_Document* pDoc,
- const CFX_ByteStringC& name) {
- CFX_ByteString fontname(name);
- int font_id = PDF_GetStandardFontName(&fontname);
- if (font_id < 0) {
- return nullptr;
- }
- CPDF_FontGlobals* pFontGlobals =
- CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
- CPDF_Font* pFont = pFontGlobals->Find(pDoc, font_id);
- if (pFont) {
- return pFont;
- }
- CPDF_Dictionary* pDict = new CPDF_Dictionary;
- pDict->SetAtName("Type", "Font");
- pDict->SetAtName("Subtype", "Type1");
- pDict->SetAtName("BaseFont", fontname);
- pDict->SetAtName("Encoding", "WinAnsiEncoding");
- pFont = CPDF_Font::CreateFontF(NULL, pDict);
- pFontGlobals->Set(pDoc, font_id, pFont);
- return pFont;
-}
-
-CPDF_Font* CPDF_Font::CreateFontF(CPDF_Document* pDoc,
- CPDF_Dictionary* pFontDict) {
- CFX_ByteString type = pFontDict->GetStringBy("Subtype");
- CPDF_Font* pFont;
- if (type == "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->GetStringBy("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->GetDictBy("FontDescriptor");
- if (!pFontDesc || !pFontDesc->KeyExist("FontFile2")) {
- pFont = new CPDF_CIDFont;
- pFont->m_pFontDict = pFontDict;
- pFont->m_pDocument = pDoc;
- pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont");
- if (!pFont->Load()) {
- delete pFont;
- return NULL;
- }
- return pFont;
- }
- }
-#endif
- }
- pFont = new CPDF_TrueTypeFont;
- } else if (type == "Type3") {
- pFont = new CPDF_Type3Font;
- } else if (type == "Type0") {
- pFont = new CPDF_CIDFont;
- } else {
- pFont = new CPDF_Type1Font;
- }
- pFont->m_pFontDict = pFontDict;
- pFont->m_pDocument = pDoc;
- pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont");
- if (!pFont->Load()) {
- delete pFont;
- return NULL;
- }
- return pFont;
-}
CFX_WideString CPDF_ToUnicodeMap::Lookup(FX_DWORD charcode) {
auto it = m_Map.find(charcode);
@@ -716,1098 +300,3 @@ void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) {
m_pBaseMap = NULL;
}
}
-
-FX_DWORD CPDF_Font::GetNextChar(const FX_CHAR* pString,
- int nStrLen,
- int& offset) const {
- if (offset < 0 || nStrLen < 1) {
- return 0;
- }
- uint8_t ch = offset < nStrLen ? pString[offset++] : pString[nStrLen - 1];
- return static_cast<FX_DWORD>(ch);
-}
-
-void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding,
- int& iBaseEncoding,
- CFX_ByteString*& pCharNames,
- FX_BOOL bEmbedded,
- FX_BOOL bTrueType) {
- if (!pEncoding) {
- if (m_BaseFont == "Symbol") {
- iBaseEncoding = bTrueType ? PDFFONT_ENCODING_MS_SYMBOL
- : PDFFONT_ENCODING_ADOBE_SYMBOL;
- } else if (!bEmbedded && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) {
- iBaseEncoding = PDFFONT_ENCODING_WINANSI;
- }
- return;
- }
- if (pEncoding->IsName()) {
- if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL ||
- iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) {
- return;
- }
- if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == "Symbol") {
- if (!bTrueType) {
- iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL;
- }
- return;
- }
- CFX_ByteString bsEncoding = pEncoding->GetString();
- if (bsEncoding.Compare("MacExpertEncoding") == 0) {
- bsEncoding = "WinAnsiEncoding";
- }
- GetPredefinedEncoding(iBaseEncoding, bsEncoding);
- return;
- }
-
- CPDF_Dictionary* pDict = pEncoding->AsDictionary();
- if (!pDict)
- return;
-
- if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
- iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) {
- CFX_ByteString bsEncoding = pDict->GetStringBy("BaseEncoding");
- if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) {
- bsEncoding = "WinAnsiEncoding";
- }
- GetPredefinedEncoding(iBaseEncoding, bsEncoding);
- }
- if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) {
- iBaseEncoding = PDFFONT_ENCODING_STANDARD;
- }
- CPDF_Array* pDiffs = pDict->GetArrayBy("Differences");
- if (!pDiffs) {
- 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)
- continue;
-
- if (CPDF_Name* pName = pElement->AsName()) {
- if (cur_code < 256)
- pCharNames[cur_code] = pName->GetString();
- cur_code++;
- } else {
- cur_code = pElement->GetInteger();
- }
- }
-}
-
-FX_BOOL CPDF_Font::IsStandardFont() const {
- if (!IsType1Font())
- return FALSE;
- if (m_pFontFile)
- return FALSE;
- if (AsType1Font()->GetBase14Font() < 0)
- return FALSE;
- return TRUE;
-}
-
-CPDF_SimpleFont::CPDF_SimpleFont()
- : m_pCharNames(nullptr), m_BaseEncoding(PDFFONT_ENCODING_BUILTIN) {
- FXSYS_memset(m_CharWidth, 0xff, sizeof m_CharWidth);
- FXSYS_memset(m_GlyphIndex, 0xff, sizeof m_GlyphIndex);
- FXSYS_memset(m_ExtGID, 0xff, sizeof m_ExtGID);
-}
-
-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.GetFace())
- return;
-
- if (charcode < 0 || charcode > 0xff) {
- return;
- }
- int glyph_index = m_GlyphIndex[charcode];
- if (glyph_index == 0xffff) {
- if (!m_pFontFile && charcode != 32) {
- LoadCharMetrics(32);
- m_CharBBox[charcode] = m_CharBBox[32];
- if (m_bUseFontWidth) {
- m_CharWidth[charcode] = m_CharWidth[32];
- }
- }
- return;
- }
- FXFT_Face face = m_Font.GetFace();
- int err = FXFT_Load_Glyph(
- face, glyph_index,
- FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- if (err) {
- return;
- }
- m_CharBBox[charcode] = FX_SMALL_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));
-
- if (m_bUseFontWidth) {
- int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(face), face);
- if (m_CharWidth[charcode] == 0xffff) {
- m_CharWidth[charcode] = TT_Width;
- } else if (TT_Width && !IsEmbedded()) {
- m_CharBBox[charcode].right =
- m_CharBBox[charcode].right * m_CharWidth[charcode] / TT_Width;
- m_CharBBox[charcode].left =
- m_CharBBox[charcode].left * m_CharWidth[charcode] / TT_Width;
- }
- }
-}
-
-int CPDF_SimpleFont::GetCharWidthF(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];
-}
-
-FX_RECT CPDF_SimpleFont::GetCharBBox(FX_DWORD charcode, int level) {
- if (charcode > 0xff)
- charcode = 0;
-
- if (m_CharBBox[charcode].left == FX_SMALL_RECT::kInvalid)
- LoadCharMetrics(charcode);
-
- return FX_RECT(m_CharBBox[charcode]);
-}
-
-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 || name[0] == 0) && iBaseEncoding) {
- name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode);
- }
- return name && name[0] ? name : nullptr;
-}
-
-FX_BOOL CPDF_SimpleFont::LoadCommon() {
- CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
- if (pFontDesc) {
- LoadFontDescriptor(pFontDesc);
- }
- CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
- int width_start = 0, width_end = -1;
- m_bUseFontWidth = TRUE;
- if (pWidthArray) {
- m_bUseFontWidth = FALSE;
- if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) {
- int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth");
- for (int i = 0; i < 256; i++) {
- m_CharWidth[i] = MissingWidth;
- }
- }
- width_start = m_pFontDict->GetIntegerBy("FirstChar", 0);
- width_end = m_pFontDict->GetIntegerBy("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->GetIntegerAt(i - width_start);
- }
- }
- }
- if (m_pFontFile) {
- if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') {
- m_BaseFont = m_BaseFont.Mid(8);
- }
- } else {
- LoadSubstFont();
- }
- if (!(m_Flags & PDFFONT_SYMBOLIC)) {
- m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
- }
- CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding");
- LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, m_pFontFile != NULL,
- m_Font.IsTTFont());
- LoadGlyphMap();
- delete[] m_pCharNames;
- m_pCharNames = NULL;
- if (!m_Font.GetFace())
- 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) {
- 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, IsTrueTypeFont(), m_Flags, weight, m_ItalicAngle,
- 0);
- if (m_Font.GetSubstFont()->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;
-}
-
-CFX_WideString CPDF_SimpleFont::UnicodeFromCharCode(FX_DWORD charcode) const {
- CFX_WideString unicode = CPDF_Font::UnicodeFromCharCode(charcode);
- if (!unicode.IsEmpty())
- return unicode;
- FX_WCHAR ret = m_Encoding.UnicodeFromCharCode((uint8_t)charcode);
- if (ret == 0)
- return CFX_WideString();
- return ret;
-}
-
-FX_DWORD CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const {
- FX_DWORD ret = CPDF_Font::CharCodeFromUnicode(unicode);
- if (ret)
- return ret;
- return m_Encoding.CharCodeFromUnicode(unicode);
-}
-
-CPDF_Type1Font::CPDF_Type1Font() : m_Base14Font(-1) {}
-
-bool CPDF_Type1Font::IsType1Font() const {
- return true;
-}
-
-const CPDF_Type1Font* CPDF_Type1Font::AsType1Font() const {
- return this;
-}
-
-CPDF_Type1Font* CPDF_Type1Font::AsType1Font() {
- return this;
-}
-
-FX_BOOL CPDF_Type1Font::Load() {
- m_Base14Font = PDF_GetStandardFontName(&m_BaseFont);
- if (m_Base14Font >= 0) {
- CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
- if (pFontDesc && pFontDesc->KeyExist("Flags"))
- m_Flags = pFontDesc->GetIntegerBy("Flags");
- else
- m_Flags = m_Base14Font >= 12 ? PDFFONT_SYMBOLIC : PDFFONT_NONSYMBOLIC;
-
- if (m_Base14Font < 4) {
- for (int i = 0; i < 256; i++)
- m_CharWidth[i] = 600;
- }
- if (m_Base14Font == 12)
- m_BaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL;
- else if (m_Base14Font == 13)
- m_BaseEncoding = PDFFONT_ENCODING_ZAPFDINGBATS;
- else if (m_Flags & PDFFONT_NONSYMBOLIC)
- m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
- }
- return LoadCommon();
-}
-
-int CPDF_Type1Font::GlyphFromCharCodeExt(FX_DWORD charcode) {
- if (charcode > 0xff) {
- return -1;
- }
- int index = m_ExtGID[(uint8_t)charcode];
- if (index == 0xffff) {
- return -1;
- }
- return index;
-}
-
-void CPDF_Type1Font::LoadGlyphMap() {
- if (!m_Font.GetFace())
- return;
-
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- FX_BOOL bCoreText = TRUE;
- CQuartz2D& quartz2d =
- ((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
- if (!m_Font.GetPlatformFont()) {
- if (m_Font.GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) {
- bCoreText = FALSE;
- }
- m_Font.SetPlatformFont(
- quartz2d.CreateFont(m_Font.GetFontData(), m_Font.GetSize()));
- if (!m_Font.GetPlatformFont()) {
- bCoreText = FALSE;
- }
- }
-#endif
- if (!IsEmbedded() && (m_Base14Font < 12) && m_Font.IsTTFont()) {
- if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) {
- FX_BOOL bGotOne = FALSE;
- for (int charcode = 0; charcode < 256; charcode++) {
- const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2};
- for (int j = 0; j < 4; j++) {
- uint16_t unicode = prefix[j] * 256 + charcode;
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- FX_CHAR name_glyph[256];
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
- name_glyph, 256);
- name_glyph[255] = 0;
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
-#endif
- if (m_GlyphIndex[charcode]) {
- bGotOne = TRUE;
- break;
- }
- }
- }
- if (bGotOne) {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (!bCoreText) {
- FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
- }
-#endif
- return;
- }
- }
- FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
- if (m_BaseEncoding == 0) {
- m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
- }
- for (int charcode = 0; charcode < 256; charcode++) {
- const FX_CHAR* name =
- GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (!name) {
- continue;
- }
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
- m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- FX_CHAR name_glyph[256];
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], name_glyph,
- 256);
- name_glyph[255] = 0;
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
-#endif
- if (m_GlyphIndex[charcode] == 0 && FXSYS_strcmp(name, ".notdef") == 0) {
- m_Encoding.m_Unicodes[charcode] = 0x20;
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 0x20);
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- FX_CHAR name_glyph[256];
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
- name_glyph, 256);
- name_glyph[255] = 0;
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
-#endif
- }
- }
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (!bCoreText) {
- FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
- }
-#endif
- return;
- }
- FT_UseType1Charmap(m_Font.GetFace());
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (bCoreText) {
- if (m_Flags & PDFFONT_SYMBOLIC) {
- for (int charcode = 0; charcode < 256; charcode++) {
- const FX_CHAR* name =
- GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (name) {
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- m_GlyphIndex[charcode] =
- FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
- } else {
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
- FX_WCHAR unicode = 0;
- if (m_GlyphIndex[charcode]) {
- unicode =
- FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode);
- }
- FX_CHAR name_glyph[256];
- FXSYS_memset(name_glyph, 0, sizeof(name_glyph));
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
- name_glyph, 256);
- name_glyph[255] = 0;
- if (unicode == 0 && name_glyph[0] != 0) {
- unicode = PDF_UnicodeFromAdobeName(name_glyph);
- }
- m_Encoding.m_Unicodes[charcode] = unicode;
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
- }
- }
- return;
- }
- FX_BOOL bUnicode = FALSE;
- if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) {
- bUnicode = TRUE;
- }
- for (int charcode = 0; charcode < 256; charcode++) {
- const FX_CHAR* name =
- GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (!name) {
- continue;
- }
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- const FX_CHAR* pStrUnicode = GlyphNameRemap(name);
- if (pStrUnicode &&
- 0 == FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name)) {
- name = pStrUnicode;
- }
- m_GlyphIndex[charcode] =
- FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name, kCFStringEncodingASCII, kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
- if (m_GlyphIndex[charcode] == 0) {
- if (FXSYS_strcmp(name, ".notdef") != 0 &&
- FXSYS_strcmp(name, "space") != 0) {
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
- m_Font.GetFace(),
- bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode);
- FX_CHAR name_glyph[256];
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
- name_glyph, 256);
- name_glyph[255] = 0;
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
- } else {
- m_Encoding.m_Unicodes[charcode] = 0x20;
- m_GlyphIndex[charcode] =
- bUnicode ? FXFT_Get_Char_Index(m_Font.GetFace(), 0x20) : 0xffff;
- FX_CHAR name_glyph[256];
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
- name_glyph, 256);
- name_glyph[255] = 0;
- CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
- kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
- kCFAllocatorNull);
- m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
- (CGFontRef)m_Font.GetPlatformFont(), name_ct);
- if (name_ct) {
- CFRelease(name_ct);
- }
- }
- }
- }
- return;
- }
-#endif
- 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.GetFace(), (char*)name);
- } else {
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
- if (m_GlyphIndex[charcode]) {
- FX_WCHAR unicode =
- FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode);
- if (unicode == 0) {
- FX_CHAR name_glyph[256];
- FXSYS_memset(name_glyph, 0, sizeof(name_glyph));
- FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
- name_glyph, 256);
- name_glyph[255] = 0;
- if (name_glyph[0] != 0) {
- unicode = PDF_UnicodeFromAdobeName(name_glyph);
- }
- }
- m_Encoding.m_Unicodes[charcode] = unicode;
- }
- }
- }
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (!bCoreText) {
- FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
- }
-#endif
- return;
- }
- FX_BOOL bUnicode = FALSE;
- if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) {
- bUnicode = TRUE;
- }
- for (int charcode = 0; charcode < 256; charcode++) {
- const FX_CHAR* name =
- GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (!name) {
- continue;
- }
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
- if (m_GlyphIndex[charcode] == 0) {
- if (FXSYS_strcmp(name, ".notdef") != 0 &&
- FXSYS_strcmp(name, "space") != 0) {
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
- m_Font.GetFace(),
- bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode);
- } else {
- m_Encoding.m_Unicodes[charcode] = 0x20;
- m_GlyphIndex[charcode] = 0xffff;
- }
- }
- }
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (!bCoreText) {
- FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
- }
-#endif
-}
-
-CPDF_FontEncoding::CPDF_FontEncoding() {
- FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes));
-}
-
-int CPDF_FontEncoding::CharCodeFromUnicode(FX_WCHAR unicode) const {
- for (int i = 0; i < 256; i++)
- if (m_Unicodes[i] == unicode) {
- return i;
- }
- return -1;
-}
-
-CPDF_FontEncoding::CPDF_FontEncoding(int PredefinedEncoding) {
- const uint16_t* pSrc = PDF_UnicodesForPredefinedCharSet(PredefinedEncoding);
- if (!pSrc) {
- FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes));
- } else {
- for (int i = 0; i < 256; i++)
- m_Unicodes[i] = pSrc[i];
- }
-}
-
-FX_BOOL CPDF_FontEncoding::IsIdentical(CPDF_FontEncoding* pAnother) const {
- return FXSYS_memcmp(m_Unicodes, pAnother->m_Unicodes, sizeof(m_Unicodes)) ==
- 0;
-}
-
-CPDF_Object* CPDF_FontEncoding::Realize() {
- int predefined = 0;
- for (int cs = PDFFONT_ENCODING_WINANSI; cs < PDFFONT_ENCODING_ZAPFDINGBATS;
- cs++) {
- const uint16_t* pSrc = PDF_UnicodesForPredefinedCharSet(cs);
- FX_BOOL match = TRUE;
- for (int i = 0; i < 256; ++i) {
- if (m_Unicodes[i] != pSrc[i]) {
- match = FALSE;
- break;
- }
- }
- if (match) {
- predefined = cs;
- break;
- }
- }
- if (predefined) {
- if (predefined == PDFFONT_ENCODING_WINANSI) {
- return new CPDF_Name("WinAnsiEncoding");
- }
- if (predefined == PDFFONT_ENCODING_MACROMAN) {
- return new CPDF_Name("MacRomanEncoding");
- }
- if (predefined == PDFFONT_ENCODING_MACEXPERT) {
- return new CPDF_Name("MacExpertEncoding");
- }
- return NULL;
- }
- const uint16_t* pStandard =
- PDF_UnicodesForPredefinedCharSet(PDFFONT_ENCODING_WINANSI);
- CPDF_Array* pDiff = new CPDF_Array;
- for (int i = 0; i < 256; i++) {
- if (pStandard[i] == m_Unicodes[i]) {
- continue;
- }
- pDiff->Add(new CPDF_Number(i));
- pDiff->Add(new CPDF_Name(PDF_AdobeNameFromUnicode(m_Unicodes[i])));
- }
-
- CPDF_Dictionary* pDict = new CPDF_Dictionary;
- pDict->SetAtName("BaseEncoding", "WinAnsiEncoding");
- pDict->SetAt("Differences", pDiff);
- return pDict;
-}
-
-CPDF_TrueTypeFont::CPDF_TrueTypeFont() {}
-
-bool CPDF_TrueTypeFont::IsTrueTypeFont() const {
- return true;
-}
-
-const CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() const {
- return this;
-}
-
-CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() {
- return this;
-}
-
-FX_BOOL CPDF_TrueTypeFont::Load() {
- return LoadCommon();
-}
-
-void CPDF_TrueTypeFont::LoadGlyphMap() {
- if (!m_Font.GetFace())
- return;
-
- int baseEncoding = m_BaseEncoding;
- if (m_pFontFile && m_Font.GetFace()->num_charmaps > 0 &&
- (baseEncoding == PDFFONT_ENCODING_MACROMAN ||
- baseEncoding == PDFFONT_ENCODING_WINANSI) &&
- (m_Flags & PDFFONT_SYMBOLIC)) {
- FX_BOOL bSupportWin = FALSE;
- FX_BOOL bSupportMac = FALSE;
- for (int i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.GetFace()); i++) {
- int platform_id = FXFT_Get_Charmap_PlatformID(
- FXFT_Get_Face_Charmaps(m_Font.GetFace())[i]);
- if (platform_id == 0 || platform_id == 3) {
- bSupportWin = TRUE;
- } else if (platform_id == 0 || platform_id == 1) {
- bSupportMac = TRUE;
- }
- }
- if (baseEncoding == PDFFONT_ENCODING_WINANSI && !bSupportWin) {
- baseEncoding =
- bSupportMac ? PDFFONT_ENCODING_MACROMAN : PDFFONT_ENCODING_BUILTIN;
- } else if (baseEncoding == PDFFONT_ENCODING_MACROMAN && !bSupportMac) {
- baseEncoding =
- bSupportWin ? PDFFONT_ENCODING_WINANSI : PDFFONT_ENCODING_BUILTIN;
- }
- }
- if (((baseEncoding == PDFFONT_ENCODING_MACROMAN ||
- baseEncoding == PDFFONT_ENCODING_WINANSI) &&
- !m_pCharNames) ||
- (m_Flags & PDFFONT_NONSYMBOLIC)) {
- if (!FXFT_Has_Glyph_Names(m_Font.GetFace()) &&
- (!m_Font.GetFace()->num_charmaps || !m_Font.GetFace()->charmaps)) {
- int nStartChar = m_pFontDict->GetIntegerBy("FirstChar");
- if (nStartChar < 0 || nStartChar > 255)
- return;
-
- int charcode = 0;
- for (; charcode < nStartChar; charcode++) {
- m_GlyphIndex[charcode] = 0;
- }
- uint16_t nGlyph = charcode - nStartChar + 3;
- for (; charcode < 256; charcode++, nGlyph++) {
- m_GlyphIndex[charcode] = nGlyph;
- }
- return;
- }
- FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.GetFace(), 3, 1);
- FX_BOOL bMacRoman = FALSE, bMSSymbol = FALSE;
- if (!bMSUnicode) {
- if (m_Flags & PDFFONT_NONSYMBOLIC) {
- bMacRoman = FT_UseTTCharmap(m_Font.GetFace(), 1, 0);
- bMSSymbol = !bMacRoman && FT_UseTTCharmap(m_Font.GetFace(), 3, 0);
- } else {
- bMSSymbol = FT_UseTTCharmap(m_Font.GetFace(), 3, 0);
- bMacRoman = !bMSSymbol && FT_UseTTCharmap(m_Font.GetFace(), 1, 0);
- }
- }
- FX_BOOL bToUnicode = m_pFontDict->KeyExist("ToUnicode");
- for (int charcode = 0; charcode < 256; charcode++) {
- const FX_CHAR* name =
- GetAdobeCharName(baseEncoding, m_pCharNames, charcode);
- if (!name) {
- m_GlyphIndex[charcode] =
- m_pFontFile ? FXFT_Get_Char_Index(m_Font.GetFace(), charcode) : -1;
- continue;
- }
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- if (bMSSymbol) {
- const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2};
- for (int j = 0; j < 4; j++) {
- uint16_t unicode = prefix[j] * 256 + charcode;
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
- if (m_GlyphIndex[charcode]) {
- break;
- }
- }
- } else if (m_Encoding.m_Unicodes[charcode]) {
- if (bMSUnicode) {
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
- m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
- } else if (bMacRoman) {
- 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.GetFace(), (char*)name);
- } else {
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), maccode);
- }
- }
- }
- if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) &&
- name) {
- if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) {
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 32);
- } else {
- m_GlyphIndex[charcode] =
- FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
- if (m_GlyphIndex[charcode] == 0) {
- if (bToUnicode) {
- CFX_WideString wsUnicode = UnicodeFromCharCode(charcode);
- if (!wsUnicode.IsEmpty()) {
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), wsUnicode[0]);
- m_Encoding.m_Unicodes[charcode] = wsUnicode[0];
- }
- }
- if (m_GlyphIndex[charcode] == 0) {
- m_GlyphIndex[charcode] =
- FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
- }
- }
- }
- }
- }
- return;
- }
- if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) {
- 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++) {
- uint16_t unicode = prefix[j] * 256 + charcode;
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 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) {
- continue;
- }
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- }
- } else if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) {
- for (int charcode = 0; charcode < 256; charcode++) {
- m_Encoding.m_Unicodes[charcode] =
- FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode);
- }
- }
- return;
- }
- }
- if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) {
- FX_BOOL bGotOne = FALSE;
- for (int charcode = 0; charcode < 256; charcode++) {
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
- m_Encoding.m_Unicodes[charcode] =
- FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode);
- if (m_GlyphIndex[charcode]) {
- bGotOne = TRUE;
- }
- }
- if (m_pFontFile || bGotOne) {
- return;
- }
- }
- if (FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE) == 0) {
- FX_BOOL bGotOne = FALSE;
- const uint16_t* pUnicodes = PDF_UnicodesForPredefinedCharSet(baseEncoding);
- for (int charcode = 0; charcode < 256; charcode++) {
- if (m_pFontFile) {
- m_Encoding.m_Unicodes[charcode] = charcode;
- } else {
- const FX_CHAR* name = GetAdobeCharName(0, m_pCharNames, charcode);
- if (name) {
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- } else if (pUnicodes) {
- m_Encoding.m_Unicodes[charcode] = pUnicodes[charcode];
- }
- }
- m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
- m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
- if (m_GlyphIndex[charcode]) {
- bGotOne = TRUE;
- }
- }
- if (bGotOne) {
- return;
- }
- }
- for (int charcode = 0; charcode < 256; charcode++) {
- m_GlyphIndex[charcode] = charcode;
- }
-}
-
-CPDF_Type3Font::CPDF_Type3Font()
- : m_pCharProcs(nullptr),
- m_pPageResources(nullptr),
- m_pFontResources(nullptr) {
- FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL));
-}
-
-CPDF_Type3Font::~CPDF_Type3Font() {
- for (auto it : m_CacheMap)
- delete it.second;
-}
-
-bool CPDF_Type3Font::IsType3Font() const {
- return true;
-}
-
-const CPDF_Type3Font* CPDF_Type3Font::AsType3Font() const {
- return this;
-}
-
-CPDF_Type3Font* CPDF_Type3Font::AsType3Font() {
- return this;
-}
-
-FX_BOOL CPDF_Type3Font::Load() {
- m_pFontResources = m_pFontDict->GetDictBy("Resources");
- CPDF_Array* pMatrix = m_pFontDict->GetArrayBy("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->GetArrayBy("FontBBox");
- if (pBBox) {
- m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000);
- m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000);
- m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000);
- m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000);
- }
- int StartChar = m_pFontDict->GetIntegerBy("FirstChar");
- CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("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(pWidthArray->GetNumberAt(i) * xscale * 1000);
- }
- }
- m_pCharProcs = m_pFontDict->GetDictBy("CharProcs");
- CPDF_Object* pEncoding = m_pFontDict->GetElementValue("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 nullptr;
-
- auto it = m_CacheMap.find(charcode);
- if (it != m_CacheMap.end())
- return it->second;
-
- const FX_CHAR* name =
- GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (!name)
- return nullptr;
-
- CPDF_Stream* pStream =
- ToStream(m_pCharProcs ? m_pCharProcs->GetElementValue(name) : nullptr);
- if (!pStream)
- return nullptr;
-
- std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form(
- m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources,
- pStream, nullptr)));
-
- // This can trigger recursion into this method. The content of |m_CacheMap|
- // can change as a result. Thus after it returns, check the cache again for
- // a cache hit.
- pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get(), nullptr,
- level + 1);
- it = m_CacheMap.find(charcode);
- if (it != m_CacheMap.end())
- return it->second;
-
- FX_FLOAT scale = m_FontMatrix.GetXUnit();
- pNewChar->m_Width = (int32_t)(pNewChar->m_Width * scale + 0.5f);
- FX_RECT& rcBBox = pNewChar->m_BBox;
- CFX_FloatRect char_rect(
- (FX_FLOAT)rcBBox.left / 1000.0f, (FX_FLOAT)rcBBox.bottom / 1000.0f,
- (FX_FLOAT)rcBBox.right / 1000.0f, (FX_FLOAT)rcBBox.top / 1000.0f);
- if (rcBBox.right <= rcBBox.left || rcBBox.bottom >= rcBBox.top)
- char_rect = pNewChar->m_pForm->CalcBoundingBox();
-
- char_rect.Transform(&m_FontMatrix);
- rcBBox.left = FXSYS_round(char_rect.left * 1000);
- rcBBox.right = FXSYS_round(char_rect.right * 1000);
- rcBBox.top = FXSYS_round(char_rect.top * 1000);
- rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000);
-
- ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode));
- CPDF_Type3Char* pCachedChar = pNewChar.release();
- m_CacheMap[charcode] = pCachedChar;
- if (pCachedChar->m_pForm->GetPageObjectList()->empty()) {
- delete pCachedChar->m_pForm;
- pCachedChar->m_pForm = nullptr;
- }
- return pCachedChar;
-}
-
-int CPDF_Type3Font::GetCharWidthF(FX_DWORD charcode, int level) {
- if (charcode >= FX_ArraySize(m_CharWidthL))
- charcode = 0;
-
- if (m_CharWidthL[charcode])
- return m_CharWidthL[charcode];
-
- const CPDF_Type3Char* pChar = LoadChar(charcode, level);
- return pChar ? pChar->m_Width : 0;
-}
-
-FX_RECT CPDF_Type3Font::GetCharBBox(FX_DWORD charcode, int level) {
- const CPDF_Type3Char* pChar = LoadChar(charcode, level);
- return pChar ? pChar->m_BBox : FX_RECT();
-}
-
-CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm)
- : m_pForm(pForm), m_pBitmap(nullptr), m_bColored(FALSE) {}
-
-CPDF_Type3Char::~CPDF_Type3Char() {
- delete m_pForm;
- delete m_pBitmap;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 18:21:35 +0000