diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp new file mode 100644 index 0000000000..d4e5bef400 --- /dev/null +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp @@ -0,0 +1,647 @@ +// 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/fdrm/fx_crypt.h"
+#include "../fpdf_font/font_int.h"
+#include "pageint.h"
+class CPDF_PageModule : public CPDF_PageModuleDef
+{
+public:
+ CPDF_PageModule() : m_StockGrayCS(PDFCS_DEVICEGRAY), m_StockRGBCS(PDFCS_DEVICERGB),
+ m_StockCMYKCS(PDFCS_DEVICECMYK) {}
+ virtual ~CPDF_PageModule() {}
+ virtual FX_BOOL Installed()
+ {
+ return TRUE;
+ }
+ virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc)
+ {
+ return FX_NEW CPDF_DocPageData(pDoc);
+ }
+ virtual void ReleaseDoc(CPDF_Document* pDoc);
+ virtual void ClearDoc(CPDF_Document* pDoc);
+ virtual CPDF_FontGlobals* GetFontGlobals()
+ {
+ return &m_FontGlobals;
+ }
+ virtual void ClearStockFont(CPDF_Document* pDoc)
+ {
+ m_FontGlobals.Clear(pDoc);
+ }
+ virtual CPDF_ColorSpace* GetStockCS(int family);
+ virtual void NotifyCJKAvailable();
+ CPDF_FontGlobals m_FontGlobals;
+ CPDF_DeviceCS m_StockGrayCS;
+ CPDF_DeviceCS m_StockRGBCS;
+ CPDF_DeviceCS m_StockCMYKCS;
+ CPDF_PatternCS m_StockPatternCS;
+};
+CPDF_ColorSpace* CPDF_PageModule::GetStockCS(int family)
+{
+ if (family == PDFCS_DEVICEGRAY) {
+ return &m_StockGrayCS;
+ }
+ if (family == PDFCS_DEVICERGB) {
+ return &m_StockRGBCS;
+ }
+ if (family == PDFCS_DEVICECMYK) {
+ return &m_StockCMYKCS;
+ }
+ if (family == PDFCS_PATTERN) {
+ return &m_StockPatternCS;
+ }
+ return NULL;
+}
+void CPDF_ModuleMgr::InitPageModule()
+{
+ if (m_pPageModule) {
+ delete m_pPageModule;
+ }
+ CPDF_PageModule* pPageModule = FX_NEW CPDF_PageModule;
+ m_pPageModule = pPageModule;
+}
+void CPDF_PageModule::ReleaseDoc(CPDF_Document* pDoc)
+{
+ delete pDoc->GetPageData();
+}
+void CPDF_PageModule::ClearDoc(CPDF_Document* pDoc)
+{
+ pDoc->GetPageData()->Clear(FALSE);
+}
+void CPDF_PageModule::NotifyCJKAvailable()
+{
+ m_FontGlobals.m_CMapManager.ReloadAll();
+}
+CPDF_Font* CPDF_Document::LoadFont(CPDF_Dictionary* pFontDict)
+{
+ if (!pFontDict) {
+ return NULL;
+ }
+ return GetValidatePageData()->GetFont(pFontDict, FALSE);
+}
+CPDF_Font* CPDF_Document::FindFont(CPDF_Dictionary* pFontDict)
+{
+ if (!pFontDict) {
+ return NULL;
+ }
+ return GetValidatePageData()->GetFont(pFontDict, TRUE);
+}
+CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream)
+{
+ if (pStream == NULL) {
+ return NULL;
+ }
+ return GetValidatePageData()->GetFontFileStreamAcc(pStream);
+}
+CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name);
+CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
+{
+ return GetValidatePageData()->GetColorSpace(pCSObj, pResources);
+}
+CPDF_Pattern* CPDF_Document::LoadPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix)
+{
+ return GetValidatePageData()->GetPattern(pPatternObj, bShading, matrix);
+}
+CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream, int nComponents)
+{
+ return GetValidatePageData()->GetIccProfile(pStream, nComponents);
+}
+CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj)
+{
+ if (!pObj) {
+ return NULL;
+ }
+ FXSYS_assert(pObj->GetObjNum());
+ return GetValidatePageData()->GetImage(pObj);
+}
+void CPDF_Document::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj)
+{
+ if (!pCSObj) {
+ return;
+ }
+ GetPageData()->ReleaseColorSpace(pCSObj);
+}
+CPDF_DocPageData::CPDF_DocPageData(CPDF_Document *pPDFDoc)
+ : m_pPDFDoc(pPDFDoc)
+ , m_FontMap()
+ , m_ColorSpaceMap()
+ , m_PatternMap()
+ , m_ImageMap()
+ , m_IccProfileMap()
+ , m_FontFileMap()
+{
+ m_FontMap.InitHashTable(64);
+ m_ColorSpaceMap.InitHashTable(32);
+ m_PatternMap.InitHashTable(16);
+ m_ImageMap.InitHashTable(64);
+ m_IccProfileMap.InitHashTable(16);
+ m_FontFileMap.InitHashTable(32);
+}
+CPDF_DocPageData::~CPDF_DocPageData()
+{
+ Clear(FALSE);
+ Clear(TRUE);
+ FX_POSITION pos = NULL;
+}
+void CPDF_DocPageData::Clear(FX_BOOL bRelease)
+{
+ FX_POSITION pos;
+ FX_DWORD nCount;
+ {
+ pos = m_PatternMap.GetStartPosition();
+ while (pos) {
+ CPDF_Object* ptObj;
+ CPDF_CountedObject<CPDF_Pattern*>* ptData;
+ m_PatternMap.GetNextAssoc(pos, ptObj, ptData);
+ nCount = ptData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete ptData->m_Obj;
+ ptData->m_Obj = NULL;
+ }
+ }
+ }
+ {
+ pos = m_FontMap.GetStartPosition();
+ while (pos) {
+ CPDF_Dictionary* fontDict;
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ m_FontMap.GetNextAssoc(pos, fontDict, fontData);
+ nCount = fontData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete fontData->m_Obj;
+ fontData->m_Obj = NULL;
+ }
+ }
+ }
+ {
+ pos = m_ImageMap.GetStartPosition();
+ while (pos) {
+ FX_DWORD objNum;
+ CPDF_CountedObject<CPDF_Image*>* imageData;
+ m_ImageMap.GetNextAssoc(pos, objNum, imageData);
+ nCount = imageData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete imageData->m_Obj;
+ delete imageData;
+ m_ImageMap.RemoveKey(objNum);
+ }
+ }
+ }
+ {
+ pos = m_ColorSpaceMap.GetStartPosition();
+ while (pos) {
+ CPDF_Object* csKey;
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+ m_ColorSpaceMap.GetNextAssoc(pos, csKey, csData);
+ nCount = csData->m_nCount;
+ if (bRelease || nCount < 2) {
+ csData->m_Obj->ReleaseCS();
+ csData->m_Obj = NULL;
+ }
+ }
+ }
+ {
+ pos = m_IccProfileMap.GetStartPosition();
+ while (pos) {
+ CPDF_Stream* ipKey;
+ CPDF_CountedObject<CPDF_IccProfile*>* ipData;
+ m_IccProfileMap.GetNextAssoc(pos, ipKey, ipData);
+ nCount = ipData->m_nCount;
+ if (bRelease || nCount < 2) {
+ FX_POSITION pos2 = m_HashProfileMap.GetStartPosition();
+ while (pos2) {
+ CFX_ByteString bsKey;
+ CPDF_Stream* pFindStream = NULL;
+ m_HashProfileMap.GetNextAssoc(pos2, bsKey, (void*&)pFindStream);
+ if (ipKey == pFindStream) {
+ m_HashProfileMap.RemoveKey(bsKey);
+ break;
+ }
+ }
+ delete ipData->m_Obj;
+ delete ipData;
+ m_IccProfileMap.RemoveKey(ipKey);
+ }
+ }
+ }
+ {
+ pos = m_FontFileMap.GetStartPosition();
+ while (pos) {
+ CPDF_Stream* ftKey;
+ CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
+ m_FontFileMap.GetNextAssoc(pos, ftKey, ftData);
+ nCount = ftData->m_nCount;
+ if (bRelease || nCount < 2) {
+ delete ftData->m_Obj;
+ delete ftData;
+ m_FontFileMap.RemoveKey(ftKey);
+ }
+ }
+ }
+}
+CPDF_Font* CPDF_DocPageData::GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly)
+{
+ if (!pFontDict) {
+ return NULL;
+ }
+ if (findOnly) {
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ if (m_FontMap.Lookup(pFontDict, fontData)) {
+ if (!fontData->m_Obj) {
+ return NULL;
+ }
+ fontData->m_nCount ++;
+ return fontData->m_Obj;
+ }
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_Font*>* fontData = NULL;
+ if (m_FontMap.Lookup(pFontDict, fontData)) {
+ if (fontData->m_Obj) {
+ fontData->m_nCount ++;
+ return fontData->m_Obj;
+ }
+ }
+ FX_BOOL bNew = FALSE;
+ if (!fontData) {
+ fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
+ bNew = TRUE;
+ if (!fontData) {
+ return NULL;
+ }
+ }
+ CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pFontDict);
+ if (!pFont) {
+ if (bNew) {
+ delete fontData;
+ }
+ return NULL;
+ }
+ fontData->m_nCount = 2;
+ fontData->m_Obj = pFont;
+ m_FontMap.SetAt(pFontDict, fontData);
+ return pFont;
+}
+CPDF_Font* CPDF_DocPageData::GetStandardFont(FX_BSTR fontName, CPDF_FontEncoding* pEncoding)
+{
+ if (fontName.IsEmpty()) {
+ return NULL;
+ }
+ FX_POSITION pos = m_FontMap.GetStartPosition();
+ while (pos) {
+ CPDF_Dictionary* fontDict;
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ m_FontMap.GetNextAssoc(pos, fontDict, fontData);
+ CPDF_Font* pFont = fontData->m_Obj;
+ if (!pFont) {
+ continue;
+ }
+ if (pFont->GetBaseFont() != fontName) {
+ continue;
+ }
+ if (pFont->IsEmbedded()) {
+ continue;
+ }
+ if (pFont->GetFontType() != PDFFONT_TYPE1) {
+ continue;
+ }
+ if (pFont->GetFontDict()->KeyExist(FX_BSTRC("Widths"))) {
+ continue;
+ }
+ CPDF_Type1Font* pT1Font = pFont->GetType1Font();
+ if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding)) {
+ continue;
+ }
+ fontData->m_nCount ++;
+ return pFont;
+ }
+ CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
+ pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Font"));
+ pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Type1"));
+ pDict->SetAtName(FX_BSTRC("BaseFont"), fontName);
+ if (pEncoding) {
+ pDict->SetAt(FX_BSTRC("Encoding"), pEncoding->Realize());
+ }
+ m_pPDFDoc->AddIndirectObject(pDict);
+ CPDF_CountedObject<CPDF_Font*>* fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
+ if (!fontData) {
+ return NULL;
+ }
+ CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
+ if (!pFont) {
+ delete fontData;
+ return NULL;
+ }
+ fontData->m_nCount = 2;
+ fontData->m_Obj = pFont;
+ m_FontMap.SetAt(pDict, fontData);
+ return pFont;
+}
+void CPDF_DocPageData::ReleaseFont(CPDF_Dictionary* pFontDict)
+{
+ if (!pFontDict) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_Font*>* fontData;
+ if (!m_FontMap.Lookup(pFontDict, fontData)) {
+ return;
+ }
+ if (fontData->m_Obj && --fontData->m_nCount == 0) {
+ delete fontData->m_Obj;
+ fontData->m_Obj = NULL;
+ }
+}
+CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
+{
+ if (!pCSObj) {
+ return NULL;
+ }
+ if (pCSObj->GetType() == PDFOBJ_NAME) {
+ CFX_ByteString name = pCSObj->GetConstString();
+ CPDF_ColorSpace* pCS = _CSFromName(name);
+ if (!pCS && pResources) {
+ CPDF_Dictionary* pList = pResources->GetDict(FX_BSTRC("ColorSpace"));
+ if (pList) {
+ pCSObj = pList->GetElementValue(name);
+ return GetColorSpace(pCSObj, NULL);
+ }
+ }
+ if (pCS == NULL || pResources == NULL) {
+ return pCS;
+ }
+ CPDF_Dictionary* pColorSpaces = pResources->GetDict(FX_BSTRC("ColorSpace"));
+ if (pColorSpaces == NULL) {
+ return pCS;
+ }
+ CPDF_Object* pDefaultCS = NULL;
+ switch (pCS->GetFamily()) {
+ case PDFCS_DEVICERGB:
+ pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultRGB"));
+ break;
+ case PDFCS_DEVICEGRAY:
+ pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultGray"));
+ break;
+ case PDFCS_DEVICECMYK:
+ pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultCMYK"));
+ break;
+ }
+ if (pDefaultCS == NULL) {
+ return pCS;
+ }
+ return GetColorSpace(pDefaultCS, NULL);
+ }
+ if (pCSObj->GetType() != PDFOBJ_ARRAY) {
+ return NULL;
+ }
+ CPDF_Array* pArray = (CPDF_Array*)pCSObj;
+ if (pArray->GetCount() == 0) {
+ return NULL;
+ }
+ if (pArray->GetCount() == 1) {
+ return GetColorSpace(pArray->GetElementValue(0), pResources);
+ }
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData = NULL;
+ if (m_ColorSpaceMap.Lookup(pCSObj, csData)) {
+ if (csData->m_Obj) {
+ csData->m_nCount++;
+ return csData->m_Obj;
+ }
+ }
+ FX_BOOL bNew = FALSE;
+ if (!csData) {
+ csData = FX_NEW CPDF_CountedObject<CPDF_ColorSpace*>;
+ if (!csData) {
+ return NULL;
+ }
+ bNew = TRUE;
+ }
+ CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
+ if (!pCS) {
+ if (bNew) {
+ delete csData;
+ }
+ return NULL;
+ }
+ csData->m_nCount = 2;
+ csData->m_Obj = pCS;
+ m_ColorSpaceMap.SetAt(pCSObj, csData);
+ return pCS;
+}
+CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj)
+{
+ if (!pCSObj) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+ if (!m_ColorSpaceMap.Lookup(pCSObj, csData)) {
+ return NULL;
+ }
+ if (!csData->m_Obj) {
+ return NULL;
+ }
+ csData->m_nCount ++;
+ return csData->m_Obj;
+}
+void CPDF_DocPageData::ReleaseColorSpace(CPDF_Object* pColorSpace)
+{
+ if (!pColorSpace) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+ if (!m_ColorSpaceMap.Lookup(pColorSpace, csData)) {
+ return;
+ }
+ if (csData->m_Obj && --csData->m_nCount == 0) {
+ csData->m_Obj->ReleaseCS();
+ csData->m_Obj = NULL;
+ }
+}
+CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix)
+{
+ if (!pPatternObj) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_Pattern*>* ptData = NULL;
+ if (m_PatternMap.Lookup(pPatternObj, ptData)) {
+ if (ptData->m_Obj) {
+ ptData->m_nCount++;
+ return ptData->m_Obj;
+ }
+ }
+ FX_BOOL bNew = FALSE;
+ if (!ptData) {
+ ptData = FX_NEW CPDF_CountedObject<CPDF_Pattern*>;
+ bNew = TRUE;
+ if (!ptData) {
+ return NULL;
+ }
+ }
+ CPDF_Pattern* pPattern = NULL;
+ if (bShading) {
+ pPattern = FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, bShading, matrix);
+ } else {
+ CPDF_Dictionary* pDict = pPatternObj->GetDict();
+ if (pDict) {
+ int type = pDict->GetInteger(FX_BSTRC("PatternType"));
+ if (type == 1) {
+ pPattern = FX_NEW CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix);
+ } else if (type == 2) {
+ pPattern = FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, FALSE, matrix);
+ }
+ }
+ }
+ if (!pPattern) {
+ if (bNew) {
+ delete ptData;
+ }
+ return NULL;
+ }
+ ptData->m_nCount = 2;
+ ptData->m_Obj = pPattern;
+ m_PatternMap.SetAt(pPatternObj, ptData);
+ return pPattern;
+}
+void CPDF_DocPageData::ReleasePattern(CPDF_Object* pPatternObj)
+{
+ if (!pPatternObj) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_Pattern*>* ptData;
+ if (!m_PatternMap.Lookup(pPatternObj, ptData)) {
+ return;
+ }
+ if (ptData->m_Obj && --ptData->m_nCount == 0) {
+ delete ptData->m_Obj;
+ ptData->m_Obj = NULL;
+ }
+}
+CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream)
+{
+ if (!pImageStream) {
+ return NULL;
+ }
+ FX_DWORD dwImageObjNum = pImageStream->GetObjNum();
+ CPDF_CountedObject<CPDF_Image*>* imageData;
+ if (m_ImageMap.Lookup(dwImageObjNum, imageData)) {
+ imageData->m_nCount ++;
+ return imageData->m_Obj;
+ }
+ imageData = FX_NEW CPDF_CountedObject<CPDF_Image*>;
+ if (!imageData) {
+ return NULL;
+ }
+ CPDF_Image* pImage = FX_NEW CPDF_Image(m_pPDFDoc);
+ if (!pImage) {
+ delete imageData;
+ return NULL;
+ }
+ pImage->LoadImageF((CPDF_Stream*)pImageStream, FALSE);
+ imageData->m_nCount = 2;
+ imageData->m_Obj = pImage;
+ m_ImageMap.SetAt(dwImageObjNum, imageData);
+ return pImage;
+}
+void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream)
+{
+ if (!pImageStream) {
+ return;
+ }
+ PDF_DocPageData_Release<FX_DWORD, CPDF_Image*>(m_ImageMap, pImageStream->GetObjNum(), NULL);
+}
+CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents)
+{
+ if (!pIccProfileStream) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
+ if (m_IccProfileMap.Lookup(pIccProfileStream, ipData)) {
+ ipData->m_nCount++;
+ return ipData->m_Obj;
+ }
+ CPDF_StreamAcc stream;
+ stream.LoadAllData(pIccProfileStream, FALSE);
+ FX_BYTE digest[20];
+ CPDF_Stream* pCopiedStream = NULL;
+ CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
+ if (m_HashProfileMap.Lookup(CFX_ByteStringC(digest, 20), (void*&)pCopiedStream)) {
+ m_IccProfileMap.Lookup(pCopiedStream, ipData);
+ ipData->m_nCount++;
+ return ipData->m_Obj;
+ }
+ CPDF_IccProfile* pProfile = FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize(), nComponents);
+ if (!pProfile) {
+ return NULL;
+ }
+ ipData = FX_NEW CPDF_CountedObject<CPDF_IccProfile*>;
+ if (!ipData) {
+ delete pProfile;
+ return NULL;
+ }
+ ipData->m_nCount = 2;
+ ipData->m_Obj = pProfile;
+ m_IccProfileMap.SetAt(pIccProfileStream, ipData);
+ m_HashProfileMap.SetAt(CFX_ByteStringC(digest, 20), pIccProfileStream);
+ return pProfile;
+}
+void CPDF_DocPageData::ReleaseIccProfile(CPDF_Stream* pIccProfileStream, CPDF_IccProfile* pIccProfile)
+{
+ if (!pIccProfileStream && !pIccProfile) {
+ return;
+ }
+ CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
+ if (m_IccProfileMap.Lookup(pIccProfileStream, ipData) && ipData->m_nCount < 2) {
+ FX_POSITION pos = m_HashProfileMap.GetStartPosition();
+ while (pos) {
+ CFX_ByteString key;
+ CPDF_Stream* pFindStream = NULL;
+ m_HashProfileMap.GetNextAssoc(pos, key, (void*&)pFindStream);
+ if (pIccProfileStream == pFindStream) {
+ m_HashProfileMap.RemoveKey(key);
+ break;
+ }
+ }
+ }
+ PDF_DocPageData_Release<CPDF_Stream*, CPDF_IccProfile*>(m_IccProfileMap, pIccProfileStream, pIccProfile);
+}
+CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(CPDF_Stream* pFontStream)
+{
+ if (!pFontStream) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
+ if (m_FontFileMap.Lookup(pFontStream, ftData)) {
+ ftData->m_nCount ++;
+ return ftData->m_Obj;
+ }
+ ftData = FX_NEW CPDF_CountedObject<CPDF_StreamAcc*>;
+ if (!ftData) {
+ return NULL;
+ }
+ CPDF_StreamAcc* pFontFile = FX_NEW CPDF_StreamAcc;
+ if (!pFontFile) {
+ delete ftData;
+ return NULL;
+ }
+ CPDF_Dictionary* pFontDict = pFontStream->GetDict();
+ FX_INT32 org_size = pFontDict->GetInteger(FX_BSTRC("Length1")) + pFontDict->GetInteger(FX_BSTRC("Length2")) + pFontDict->GetInteger(FX_BSTRC("Length3"));
+ if (org_size < 0) {
+ org_size = 0;
+ }
+ pFontFile->LoadAllData(pFontStream, FALSE, org_size);
+ ftData->m_nCount = 2;
+ ftData->m_Obj = pFontFile;
+ m_FontFileMap.SetAt(pFontStream, ftData);
+ return pFontFile;
+}
+void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOOL bForce)
+{
+ if (!pFontStream) {
+ return;
+ }
+ PDF_DocPageData_Release<CPDF_Stream*, CPDF_StreamAcc*>(m_FontFileMap, pFontStream, NULL, bForce);
+}
|