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-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp184
-rw-r--r--core/src/fpdfapi/fpdf_page/pageint.h4
2 files changed, 76 insertions, 112 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
index 1c0629f45a..00d62fb7bd 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
@@ -10,108 +10,37 @@
#include "../fpdf_font/font_int.h"
#include "pageint.h"
-namespace {
-
-template <class KeyType, class ValueType>
-KeyType PDF_DocPageData_FindValue(
- const CFX_MapPtrTemplate<KeyType, CPDF_CountedObject<ValueType>*>& map,
- ValueType findValue,
- CPDF_CountedObject<ValueType>*& findData)
-{
- FX_POSITION pos = map.GetStartPosition();
- while (pos) {
- KeyType findKey;
- map.GetNextAssoc(pos, findKey, findData);
- if (findData->m_Obj == findValue) {
- return findKey;
- }
- }
- findData = nullptr;
- return (KeyType)nullptr;
-}
-
-template <class KeyType, class ValueType>
-void PDF_DocPageData_Release(
- CFX_MapPtrTemplate<KeyType, CPDF_CountedObject<ValueType>*>& map,
- KeyType findKey,
- ValueType findValue,
- FX_BOOL bForce)
-{
- if (!findKey && !findValue)
- return;
-
- CPDF_CountedObject<ValueType>* findData = nullptr;
- if (!findKey) {
- findKey = PDF_DocPageData_FindValue<KeyType, ValueType>(map, findValue, findData);
- } else if (!map.Lookup(findKey, findData)) {
- return;
- }
- if (!findData)
- return;
-
- if ((-- findData->m_nCount) == 0 || bForce) {
- delete findData->m_Obj;
- delete findData;
- map.RemoveKey(findKey);
- }
-}
-
-template <class KeyType, class ValueType>
-void PDF_DocPageData_Release_Key(
- KeyType findKey,
- FX_BOOL bForce,
- std::map<KeyType, CPDF_CountedObject<ValueType>*>* map)
-{
- if (!findKey)
- return;
-
- CPDF_CountedObject<ValueType>* findData = nullptr;
- auto it = map->find(findKey);
- if (it != map->end())
- findData = it->second;
- if (!findData)
- return;
-
- if ((--findData->m_nCount) == 0 || bForce) {
- delete findData->m_Obj;
- delete findData;
- map->erase(it);
- }
-}
-
-} // namespace
-
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()
+ virtual FX_BOOL Installed()
{
return TRUE;
}
- virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc)
+ virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc)
{
return new CPDF_DocPageData(pDoc);
}
- virtual void ReleaseDoc(CPDF_Document* pDoc);
- virtual void ClearDoc(CPDF_Document* pDoc);
- virtual CPDF_FontGlobals* GetFontGlobals()
+ 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)
+ 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;
+ 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)
{
@@ -197,11 +126,9 @@ void CPDF_Document::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj)
}
CPDF_DocPageData::CPDF_DocPageData(CPDF_Document *pPDFDoc)
: m_pPDFDoc(pPDFDoc),
- m_IccProfileMap(),
m_FontFileMap(),
m_bForceClear(FALSE)
{
- m_IccProfileMap.InitHashTable(16);
m_FontFileMap.InitHashTable(32);
}
@@ -261,19 +188,18 @@ void CPDF_DocPageData::Clear(FX_BOOL bForceRelease)
}
}
- FX_POSITION pos = m_IccProfileMap.GetStartPosition();
- while (pos) {
- CPDF_Stream* ipKey;
- CPDF_CountedObject<CPDF_IccProfile*>* ipData;
- m_IccProfileMap.GetNextAssoc(pos, ipKey, ipData);
- if (!ipData->m_Obj) {
+ for (auto it = m_IccProfileMap.begin(); it != m_IccProfileMap.end();) {
+ auto curr_it = it++;
+ CPDF_CountedIccProfile* ipData = curr_it->second;
+ if (!ipData->m_Obj)
continue;
- }
+
if (bForceRelease || ipData->m_nCount < 2) {
+ CPDF_Stream* ipKey = curr_it->first;
FX_POSITION pos2 = m_HashProfileMap.GetStartPosition();
while (pos2) {
CFX_ByteString bsKey;
- CPDF_Stream* pFindStream = NULL;
+ CPDF_Stream* pFindStream = nullptr;
m_HashProfileMap.GetNextAssoc(pos2, bsKey, (void*&)pFindStream);
if (ipKey == pFindStream) {
m_HashProfileMap.RemoveKey(bsKey);
@@ -282,10 +208,11 @@ void CPDF_DocPageData::Clear(FX_BOOL bForceRelease)
}
delete ipData->m_Obj;
delete ipData;
- m_IccProfileMap.RemoveKey(ipKey);
+ m_IccProfileMap.erase(curr_it);
}
}
- pos = m_FontFileMap.GetStartPosition();
+
+ FX_POSITION pos = m_FontFileMap.GetStartPosition();
while (pos) {
CPDF_Stream* ftKey;
CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
@@ -606,38 +533,52 @@ CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream)
void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream)
{
- if (!pImageStream)
+ if (!pImageStream || !pImageStream->GetObjNum())
return;
- PDF_DocPageData_Release_Key<FX_DWORD, CPDF_Image*>(
- pImageStream->GetObjNum(), FALSE, &m_ImageMap);
+ auto it = m_ImageMap.find(pImageStream->GetObjNum());
+ if (it == m_ImageMap.end())
+ return;
+
+ CPDF_CountedImage* image = it->second;
+ if (!image)
+ return;
+
+ if ((--image->m_nCount) == 0) {
+ delete image->m_Obj;
+ delete image;
+ m_ImageMap.erase(it);
+ }
}
CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream)
{
- if (!pIccProfileStream) {
+ if (!pIccProfileStream)
return NULL;
- }
- CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
- if (m_IccProfileMap.Lookup(pIccProfileStream, ipData)) {
+
+ auto it = m_IccProfileMap.find(pIccProfileStream);
+ if (it != m_IccProfileMap.end()) {
+ CPDF_CountedIccProfile* ipData = it->second;
ipData->m_nCount++;
return ipData->m_Obj;
}
+
CPDF_StreamAcc stream;
stream.LoadAllData(pIccProfileStream, FALSE);
uint8_t digest[20];
- CPDF_Stream* pCopiedStream = NULL;
+ CPDF_Stream* pCopiedStream = nullptr;
CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
if (m_HashProfileMap.Lookup(CFX_ByteStringC(digest, 20), (void*&)pCopiedStream)) {
- m_IccProfileMap.Lookup(pCopiedStream, ipData);
+ auto it_copied_stream = m_IccProfileMap.find(pCopiedStream);
+ CPDF_CountedIccProfile* ipData = it_copied_stream->second;
ipData->m_nCount++;
return ipData->m_Obj;
}
CPDF_IccProfile* pProfile = new CPDF_IccProfile(stream.GetData(), stream.GetSize());
- ipData = new CPDF_CountedObject<CPDF_IccProfile*>;
+ CPDF_CountedIccProfile* ipData = new CPDF_CountedIccProfile;
ipData->m_nCount = 2;
ipData->m_Obj = pProfile;
- m_IccProfileMap.SetAt(pIccProfileStream, ipData);
+ m_IccProfileMap[pIccProfileStream] = ipData;
m_HashProfileMap.SetAt(CFX_ByteStringC(digest, 20), pIccProfileStream);
return pProfile;
}
@@ -645,8 +586,19 @@ CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream)
void CPDF_DocPageData::ReleaseIccProfile(CPDF_IccProfile* pIccProfile)
{
ASSERT(pIccProfile);
- PDF_DocPageData_Release<CPDF_Stream*, CPDF_IccProfile*>(
- m_IccProfileMap, nullptr, pIccProfile, FALSE);
+
+ for (auto it = m_IccProfileMap.begin(); it != m_IccProfileMap.end(); ++it) {
+ CPDF_CountedIccProfile* profile = it->second;
+ if (profile->m_Obj != pIccProfile)
+ continue;
+
+ if ((--profile->m_nCount) == 0) {
+ delete profile->m_Obj;
+ delete profile;
+ m_IccProfileMap.erase(it);
+ return;
+ }
+ }
}
CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(CPDF_Stream* pFontStream)
@@ -674,10 +626,20 @@ CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(CPDF_Stream* pFontStream)
}
void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOOL bForce)
{
- if (!pFontStream) {
+ if (!pFontStream)
return;
+
+ CPDF_CountedObject<CPDF_StreamAcc*>* findData = nullptr;
+ if (!m_FontFileMap.Lookup(pFontStream, findData))
+ return;
+ if (!findData)
+ return;
+
+ if ((--findData->m_nCount) == 0 || bForce) {
+ delete findData->m_Obj;
+ delete findData;
+ m_FontFileMap.RemoveKey(pFontStream);
}
- PDF_DocPageData_Release<CPDF_Stream*, CPDF_StreamAcc*>(m_FontFileMap, pFontStream, NULL, bForce);
}
CPDF_CountedColorSpace* CPDF_DocPageData::FindColorSpacePtr(CPDF_Object* pCSObj) const
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h
index a9dd5222e4..3ce976d8fe 100644
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ b/core/src/fpdfapi/fpdf_page/pageint.h
@@ -353,22 +353,24 @@ class CPDF_DocPageData
CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const;
CPDF_Document* m_pPDFDoc;
- CPDF_IccProfileMap m_IccProfileMap;
CFX_MapByteStringToPtr m_HashProfileMap;
CPDF_FontFileMap m_FontFileMap;
FX_BOOL m_bForceClear;
private:
using CPDF_CountedFont = CPDF_CountedObject<CPDF_Font*>;
+ using CPDF_CountedIccProfile = CPDF_CountedObject<CPDF_IccProfile*>;
using CPDF_CountedImage = CPDF_CountedObject<CPDF_Image*>;
using CPDF_ColorSpaceMap = std::map<CPDF_Object*, CPDF_CountedColorSpace*>;
using CPDF_FontMap = std::map<CPDF_Dictionary*, CPDF_CountedFont*>;
+ using CPDF_IccProfileMap = std::map<CPDF_Stream*, CPDF_CountedIccProfile*>;
using CPDF_ImageMap = std::map<FX_DWORD, CPDF_CountedImage*>;
using CPDF_PatternMap = std::map<CPDF_Object*, CPDF_CountedPattern*>;
CPDF_ColorSpaceMap m_ColorSpaceMap;
CPDF_FontMap m_FontMap;
+ CPDF_IccProfileMap m_IccProfileMap;
CPDF_ImageMap m_ImageMap;
CPDF_PatternMap m_PatternMap;
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 07:09:28 +0000