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-rw-r--r--core/src/fpdfapi/fpdf_font/fpdf_font.cpp3526
1 files changed, 1763 insertions, 1763 deletions
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
index 886199b120..4bec3337b1 100644
--- a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
+++ b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -1,1763 +1,1763 @@
-// 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()
-{
- FXSYS_memset32(m_EmbeddedCharsets, 0, sizeof m_EmbeddedCharsets);
- FXSYS_memset32(m_EmbeddedToUnicodes, 0, sizeof m_EmbeddedToUnicodes);
- m_pContrastRamps = NULL;
-}
-CPDF_FontGlobals::~CPDF_FontGlobals()
-{
- ClearAll();
- if (m_pContrastRamps) {
- FX_Free(m_pContrastRamps);
- }
-}
-class CFX_StockFontArray : public CFX_Object
-{
-public:
- CFX_StockFontArray()
- {
- FXSYS_memset32(m_pStockFonts, 0, sizeof(CPDF_Font*) * 14);
- }
- 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 ((CFX_StockFontArray*)value)->m_pStockFonts[index];
-}
-void CPDF_FontGlobals::Set(void* key, int index, CPDF_Font* pFont)
-{
- void* value = NULL;
- if (m_pStockMap.Lookup(key, value)) {
- ((CFX_StockFontArray*)value)->m_pStockFonts[index] = pFont;
- return;
- }
- CFX_StockFontArray* pFonts = FX_NEW CFX_StockFontArray();
- if (pFonts) {
- pFonts->m_pStockFonts[index] = pFont;
- }
- m_pStockMap.SetAt(key, pFonts);
-}
-void CPDF_FontGlobals::Clear(void* key)
-{
- void* value = NULL;
- if (!m_pStockMap.Lookup(key, value)) {
- return;
- }
- if (value) {
- CFX_StockFontArray* pStockFonts = (CFX_StockFontArray*)value;
- for (int i = 0; i < 14; i ++) {
- if (pStockFonts->m_pStockFonts[i]) {
- pStockFonts->m_pStockFonts[i]->GetFontDict()->Release();
- delete pStockFonts->m_pStockFonts[i];
- }
- }
- delete pStockFonts;
- }
- 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);
- if (value) {
- CFX_StockFontArray* pStockFonts = (CFX_StockFontArray*)value;
- for (int i = 0; i < 14; i ++) {
- if (pStockFonts->m_pStockFonts[i]) {
- pStockFonts->m_pStockFonts[i]->GetFontDict()->Release();
- delete pStockFonts->m_pStockFonts[i];
- }
- }
- delete pStockFonts;
- }
- m_pStockMap.RemoveKey(key);
- }
-}
-CPDF_Font::CPDF_Font()
-{
- m_FontType = 0;
- 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 = NULL;
-}
-FX_BOOL CPDF_Font::Initialize()
-{
- m_pCharMap = FX_NEW CPDF_FontCharMap(this);
- return TRUE;
-}
-CPDF_Font::~CPDF_Font()
-{
- if (m_pCharMap) {
- FX_Free(m_pCharMap);
- m_pCharMap = NULL;
- }
- if (m_pToUnicodeMap) {
- 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);
- FX_LPCSTR src_buf = str;
- int src_pos = 0;
- while (src_pos < src_len) {
- FX_DWORD charcode = GetNextChar(src_buf, 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_LPSTR dest_buf = result.GetBuffer(src_len * 2);
- FX_LPCWSTR src_buf = 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;
- }
- FX_LPCBYTE 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 = FX_NEW CPDF_ToUnicodeMap;
- m_pToUnicodeMap->Load(pStream);
-}
-int CPDF_Font::GetStringWidth(FX_LPCSTR pString, int size)
-{
- int offset = 0;
- int width = 0;
- while (offset < size) {
- FX_DWORD charcode = GetNextChar(pString, 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, FX_BSTR 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 FX_BYTE 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((FX_LPCSTR)ChineseFontNames[i])) {
- break;
- }
- }
- if (i < count) {
- CPDF_Dictionary* pFontDesc = pFontDict->GetDict(FX_BSTRC("FontDescriptor"));
- if (pFontDesc == NULL || !pFontDesc->KeyExist(FX_BSTRC("FontFile2"))) {
- pFont = FX_NEW CPDF_CIDFont;
- pFont->Initialize();
- pFont->m_FontType = PDFFONT_CIDFONT;
- pFont->m_pFontDict = pFontDict;
- pFont->m_pDocument = pDoc;
- if (!pFont->Load()) {
- delete pFont;
- return NULL;
- }
- return pFont;
- }
- }
-#endif
- }
- pFont = FX_NEW CPDF_TrueTypeFont;
- pFont->Initialize();
- pFont->m_FontType = PDFFONT_TRUETYPE;
- } else if (type == FX_BSTRC("Type3")) {
- pFont = FX_NEW CPDF_Type3Font;
- pFont->Initialize();
- pFont->m_FontType = PDFFONT_TYPE3;
- } else if (type == FX_BSTRC("Type0")) {
- pFont = FX_NEW CPDF_CIDFont;
- pFont->Initialize();
- pFont->m_FontType = PDFFONT_CIDFONT;
- } else {
- pFont = FX_NEW CPDF_Type1Font;
- pFont->Initialize();
- pFont->m_FontType = PDFFONT_TYPE1;
- }
- 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;
- }
- FX_LPCWSTR 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(FX_BSTR str)
-{
- FX_LPCSTR 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(FX_BSTR str)
-{
- FX_LPCSTR 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;
- }
- FX_NEW_VECTOR(pCharNames, 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 FX_LPCSTR PDF_CharNameFromPredefinedCharSet(int encoding, FX_BYTE charcode);
-CPDF_SimpleFont::CPDF_SimpleFont()
-{
- 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()
-{
- if (m_pCharNames) {
- FX_DELETE_VECTOR(m_pCharNames, CFX_ByteString, 256);
- }
-}
-int CPDF_SimpleFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL *pVertGlyph)
-{
- if (pVertGlyph) {
- *pVertGlyph = FALSE;
- }
- if (charcode > 0xff) {
- return -1;
- }
- int index = m_GlyphIndex[(FX_BYTE)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 (FX_INT16)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 == (FX_SHORT)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;
-}
-FX_LPCSTR GetAdobeCharName(int iBaseEncoding, const CFX_ByteString* pCharNames, int charcode)
-{
- ASSERT(charcode >= 0 && charcode < 256);
- if (charcode < 0 || charcode >= 256) {
- return NULL;
- }
- FX_LPCSTR 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();
- if (m_pCharNames) {
- FX_DELETE_VECTOR(m_pCharNames, CFX_ByteString, 256);
- 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 (int 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, m_FontType == 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()
-{
- 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[(FX_BYTE)charcode];
- if (index == 0xffff) {
- return -1;
- }
- return index;
-}
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
-struct _GlyphNameMap {
- FX_LPCSTR m_pStrAdobe;
- FX_LPCSTR 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((FX_LPCSTR)key, ((_GlyphNameMap*)element)->m_pStrAdobe);
- }
-}
-static FX_LPCSTR _GlyphNameRemap(FX_LPCSTR 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 FX_BYTE 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 ++) {
- FX_LPCSTR 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 ++) {
- FX_LPCSTR 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 ++) {
- FX_LPCSTR name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (name == NULL) {
- continue;
- }
- m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
- FX_LPCSTR 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 ++) {
- FX_LPCSTR 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 ++) {
- FX_LPCSTR 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()
-{
-}
-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"));
- 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 ++) {
- FX_LPCSTR 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 FX_BYTE 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 FX_BYTE 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 ++) {
- FX_LPCSTR 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) {
- FX_LPCSTR 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()
-{
- m_pPageResources = NULL;
- FXSYS_memset32(m_CharWidthL, 0, sizeof m_CharWidthL);
-}
-CPDF_Type3Font::~CPDF_Type3Font()
-{
- FX_POSITION pos = m_CacheMap.GetStartPosition();
- while (pos) {
- FX_LPVOID key, value;
- m_CacheMap.GetNextAssoc(pos, key, value);
- delete (CPDF_Type3Char*)value;
- }
- m_CacheMap.RemoveAll();
- pos = m_DeletedMap.GetStartPosition();
- while (pos) {
- FX_LPVOID key, 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 = (FX_INT32)(FXSYS_Mul(pBBox->GetNumber(0), xscale) * 1000);
- m_FontBBox.bottom = (FX_INT32)(FXSYS_Mul(pBBox->GetNumber(1), yscale) * 1000);
- m_FontBBox.right = (FX_INT32)(FXSYS_Mul(pBBox->GetNumber(2), xscale) * 1000);
- m_FontBBox.top = (FX_INT32)(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((FX_LPVOID)(FX_UINTPTR)charcode, (FX_LPVOID&)pChar)) {
- if (pChar->m_bPageRequired && m_pPageResources) {
- delete pChar;
- m_CacheMap.RemoveKey((FX_LPVOID)(FX_UINTPTR)charcode);
- return LoadChar(charcode, level + 1);
- }
- return pChar;
- }
- FX_LPCSTR name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
- if (name == NULL) {
- return NULL;
- }
- CPDF_Stream* pStream = (CPDF_Stream*)m_pCharProcs->GetElementValue(name);
- if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM) {
- return NULL;
- }
- pChar = FX_NEW CPDF_Type3Char;
- pChar->m_pForm = FX_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 = (FX_INT32)(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((FX_LPVOID)(FX_UINTPTR)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;
- }
-}
+// 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()
+{
+ FXSYS_memset32(m_EmbeddedCharsets, 0, sizeof m_EmbeddedCharsets);
+ FXSYS_memset32(m_EmbeddedToUnicodes, 0, sizeof m_EmbeddedToUnicodes);
+ m_pContrastRamps = NULL;
+}
+CPDF_FontGlobals::~CPDF_FontGlobals()
+{
+ ClearAll();
+ if (m_pContrastRamps) {
+ FX_Free(m_pContrastRamps);
+ }
+}
+class CFX_StockFontArray : public CFX_Object
+{
+public:
+ CFX_StockFontArray()
+ {
+ FXSYS_memset32(m_pStockFonts, 0, sizeof(CPDF_Font*) * 14);
+ }
+ 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 ((CFX_StockFontArray*)value)->m_pStockFonts[index];
+}
+void CPDF_FontGlobals::Set(void* key, int index, CPDF_Font* pFont)
+{
+ void* value = NULL;
+ if (m_pStockMap.Lookup(key, value)) {
+ ((CFX_StockFontArray*)value)->m_pStockFonts[index] = pFont;
+ return;
+ }
+ CFX_StockFontArray* pFonts = FX_NEW CFX_StockFontArray();
+ if (pFonts) {
+ pFonts->m_pStockFonts[index] = pFont;
+ }
+ m_pStockMap.SetAt(key, pFonts);
+}
+void CPDF_FontGlobals::Clear(void* key)
+{
+ void* value = NULL;
+ if (!m_pStockMap.Lookup(key, value)) {
+ return;
+ }
+ if (value) {
+ CFX_StockFontArray* pStockFonts = (CFX_StockFontArray*)value;
+ for (int i = 0; i < 14; i ++) {
+ if (pStockFonts->m_pStockFonts[i]) {
+ pStockFonts->m_pStockFonts[i]->GetFontDict()->Release();
+ delete pStockFonts->m_pStockFonts[i];
+ }
+ }
+ delete pStockFonts;
+ }
+ 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);
+ if (value) {
+ CFX_StockFontArray* pStockFonts = (CFX_StockFontArray*)value;
+ for (int i = 0; i < 14; i ++) {
+ if (pStockFonts->m_pStockFonts[i]) {
+ pStockFonts->m_pStockFonts[i]->GetFontDict()->Release();
+ delete pStockFonts->m_pStockFonts[i];
+ }
+ }
+ delete pStockFonts;
+ }
+ m_pStockMap.RemoveKey(key);
+ }
+}
+CPDF_Font::CPDF_Font()
+{
+ m_FontType = 0;
+ 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 = NULL;
+}
+FX_BOOL CPDF_Font::Initialize()
+{
+ m_pCharMap = FX_NEW CPDF_FontCharMap(this);
+ return TRUE;
+}
+CPDF_Font::~CPDF_Font()
+{
+ if (m_pCharMap) {
+ FX_Free(m_pCharMap);
+ m_pCharMap = NULL;
+ }
+ if (m_pToUnicodeMap) {
+ 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);
+ FX_LPCSTR src_buf = str;
+ int src_pos = 0;
+ while (src_pos < src_len) {
+ FX_DWORD charcode = GetNextChar(src_buf, 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_LPSTR dest_buf = result.GetBuffer(src_len * 2);
+ FX_LPCWSTR src_buf = 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;
+ }
+ FX_LPCBYTE 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 = FX_NEW CPDF_ToUnicodeMap;
+ m_pToUnicodeMap->Load(pStream);
+}
+int CPDF_Font::GetStringWidth(FX_LPCSTR pString, int size)
+{
+ int offset = 0;
+ int width = 0;
+ while (offset < size) {
+ FX_DWORD charcode = GetNextChar(pString, 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, FX_BSTR 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 FX_BYTE 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((FX_LPCSTR)ChineseFontNames[i])) {
+ break;
+ }
+ }
+ if (i < count) {
+ CPDF_Dictionary* pFontDesc = pFontDict->GetDict(FX_BSTRC("FontDescriptor"));
+ if (pFontDesc == NULL || !pFontDesc->KeyExist(FX_BSTRC("FontFile2"))) {
+ pFont = FX_NEW CPDF_CIDFont;
+ pFont->Initialize();
+ pFont->m_FontType = PDFFONT_CIDFONT;
+ pFont->m_pFontDict = pFontDict;
+ pFont->m_pDocument = pDoc;
+ if (!pFont->Load()) {
+ delete pFont;
+ return NULL;
+ }
+ return pFont;
+ }
+ }
+#endif
+ }
+ pFont = FX_NEW CPDF_TrueTypeFont;
+ pFont->Initialize();
+ pFont->m_FontType = PDFFONT_TRUETYPE;
+ } else if (type == FX_BSTRC("Type3")) {
+ pFont = FX_NEW CPDF_Type3Font;
+ pFont->Initialize();
+ pFont->m_FontType = PDFFONT_TYPE3;
+ } else if (type == FX_BSTRC("Type0")) {
+ pFont = FX_NEW CPDF_CIDFont;
+ pFont->Initialize();
+ pFont->m_FontType = PDFFONT_CIDFONT;
+ } else {
+ pFont = FX_NEW CPDF_Type1Font;
+ pFont->Initialize();
+ pFont->m_FontType = PDFFONT_TYPE1;
+ }
+ 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;
+ }
+ FX_LPCWSTR 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(FX_BSTR str)
+{
+ FX_LPCSTR 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(FX_BSTR str)
+{
+ FX_LPCSTR 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;
+ }
+ FX_NEW_VECTOR(pCharNames, 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 FX_LPCSTR PDF_CharNameFromPredefinedCharSet(int encoding, FX_BYTE charcode);
+CPDF_SimpleFont::CPDF_SimpleFont()
+{
+ 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()
+{
+ if (m_pCharNames) {
+ FX_DELETE_VECTOR(m_pCharNames, CFX_ByteString, 256);
+ }
+}
+int CPDF_SimpleFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL *pVertGlyph)
+{
+ if (pVertGlyph) {
+ *pVertGlyph = FALSE;
+ }
+ if (charcode > 0xff) {
+ return -1;
+ }
+ int index = m_GlyphIndex[(FX_BYTE)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 (FX_INT16)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 == (FX_SHORT)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;
+}
+FX_LPCSTR GetAdobeCharName(int iBaseEncoding, const CFX_ByteString* pCharNames, int charcode)
+{
+ ASSERT(charcode >= 0 && charcode < 256);
+ if (charcode < 0 || charcode >= 256) {
+ return NULL;
+ }
+ FX_LPCSTR 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();
+ if (m_pCharNames) {
+ FX_DELETE_VECTOR(m_pCharNames, CFX_ByteString, 256);
+ 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 (int 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, m_FontType == 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()
+{
+ 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[(FX_BYTE)charcode];
+ if (index == 0xffff) {
+ return -1;
+ }
+ return index;
+}
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+struct _GlyphNameMap {
+ FX_LPCSTR m_pStrAdobe;
+ FX_LPCSTR 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((FX_LPCSTR)key, ((_GlyphNameMap*)element)->m_pStrAdobe);
+ }
+}
+static FX_LPCSTR _GlyphNameRemap(FX_LPCSTR 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 FX_BYTE 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 ++) {
+ FX_LPCSTR 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 ++) {
+ FX_LPCSTR 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 ++) {
+ FX_LPCSTR name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+ if (name == NULL) {
+ continue;
+ }
+ m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+ FX_LPCSTR 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 ++) {
+ FX_LPCSTR 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 ++) {
+ FX_LPCSTR 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()
+{
+}
+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"));
+ 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 ++) {
+ FX_LPCSTR 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 FX_BYTE 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 FX_BYTE 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 ++) {
+ FX_LPCSTR 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) {
+ FX_LPCSTR 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()
+{
+ m_pPageResources = NULL;
+ FXSYS_memset32(m_CharWidthL, 0, sizeof m_CharWidthL);
+}
+CPDF_Type3Font::~CPDF_Type3Font()
+{
+ FX_POSITION pos = m_CacheMap.GetStartPosition();
+ while (pos) {
+ FX_LPVOID key, value;
+ m_CacheMap.GetNextAssoc(pos, key, value);
+ delete (CPDF_Type3Char*)value;
+ }
+ m_CacheMap.RemoveAll();
+ pos = m_DeletedMap.GetStartPosition();
+ while (pos) {
+ FX_LPVOID key, 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 = (FX_INT32)(FXSYS_Mul(pBBox->GetNumber(0), xscale) * 1000);
+ m_FontBBox.bottom = (FX_INT32)(FXSYS_Mul(pBBox->GetNumber(1), yscale) * 1000);
+ m_FontBBox.right = (FX_INT32)(FXSYS_Mul(pBBox->GetNumber(2), xscale) * 1000);
+ m_FontBBox.top = (FX_INT32)(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((FX_LPVOID)(FX_UINTPTR)charcode, (FX_LPVOID&)pChar)) {
+ if (pChar->m_bPageRequired && m_pPageResources) {
+ delete pChar;
+ m_CacheMap.RemoveKey((FX_LPVOID)(FX_UINTPTR)charcode);
+ return LoadChar(charcode, level + 1);
+ }
+ return pChar;
+ }
+ FX_LPCSTR name = GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+ if (name == NULL) {
+ return NULL;
+ }
+ CPDF_Stream* pStream = (CPDF_Stream*)m_pCharProcs->GetElementValue(name);
+ if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM) {
+ return NULL;
+ }
+ pChar = FX_NEW CPDF_Type3Char;
+ pChar->m_pForm = FX_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 = (FX_INT32)(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((FX_LPVOID)(FX_UINTPTR)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;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 17:10:53 +0000