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Unified Diff: xfa/fgas/font/cfgas_fontmgr.cpp

Issue 2451493002: Refcount all the IFX_ stream classes all the time. (Closed)
Patch Set: Clean up cast expression Created 4 years ago
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Index: xfa/fgas/font/cfgas_fontmgr.cpp
diff --git a/xfa/fgas/font/cfgas_fontmgr.cpp b/xfa/fgas/font/cfgas_fontmgr.cpp
index f211e64bc3486d24bf5bea6343fb4b2c613a9b8e..060dd95b48aff8aade8d7c94a1bd5d65d3844cf3 100644
--- a/xfa/fgas/font/cfgas_fontmgr.cpp
+++ b/xfa/fgas/font/cfgas_fontmgr.cpp
@@ -607,13 +607,6 @@ CFGAS_FontMgr::~CFGAS_FontMgr() {
delete pFonts;
}
m_Hash2Fonts.RemoveAll();
- pos = m_IFXFont2FileRead.GetStartPosition();
- while (pos) {
- CFGAS_GEFont* pFont;
- IFX_SeekableReadStream* pFileRead;
- m_IFXFont2FileRead.GetNextAssoc(pos, pFont, pFileRead);
- pFileRead->Release();
- }
}
bool CFGAS_FontMgr::EnumFontsFromFontMapper() {
@@ -628,7 +621,7 @@ bool CFGAS_FontMgr::EnumFontsFromFontMapper() {
pSystemFontInfo->EnumFontList(pFontMapper);
for (int32_t i = 0; i < pFontMapper->GetFaceSize(); ++i) {
- IFX_SeekableReadStream* pFontStream =
+ CFX_RetainPtr<IFX_SeekableReadStream> pFontStream =
CreateFontStream(pFontMapper, pSystemFontInfo, i);
if (!pFontStream)
continue;
@@ -636,19 +629,15 @@ bool CFGAS_FontMgr::EnumFontsFromFontMapper() {
CFX_WideString wsFaceName =
CFX_WideString::FromLocal(pFontMapper->GetFaceName(i).c_str());
RegisterFaces(pFontStream, &wsFaceName);
- pFontStream->Release();
}
- if (m_InstalledFonts.GetSize() == 0)
- return false;
-
- return true;
+ return m_InstalledFonts.GetSize() != 0;
}
bool CFGAS_FontMgr::EnumFontsFromFiles() {
CFX_GEModule::Get()->GetFontMgr()->InitFTLibrary();
FX_POSITION pos = m_pFontSource->GetStartPosition();
IFX_FileAccess* pFontSource = nullptr;
- IFX_SeekableReadStream* pFontStream = nullptr;
+ CFX_RetainPtr<IFX_SeekableReadStream> pFontStream;
while (pos) {
pFontSource = m_pFontSource->GetNext(pos);
pFontStream = pFontSource->CreateFileStream(FX_FILEMODE_ReadOnly);
@@ -657,12 +646,9 @@ bool CFGAS_FontMgr::EnumFontsFromFiles() {
continue;
}
RegisterFaces(pFontStream, nullptr);
- pFontStream->Release();
pFontSource->Release();
}
- if (m_InstalledFonts.GetSize() == 0)
- return false;
- return true;
+ return m_InstalledFonts.GetSize() != 0;
}
bool CFGAS_FontMgr::EnumFonts() {
@@ -765,7 +751,7 @@ CFGAS_GEFont* CFGAS_FontMgr::GetFontByUnicode(FX_WCHAR wUnicode,
bool CFGAS_FontMgr::VerifyUnicode(CFX_FontDescriptor* pDesc,
FX_WCHAR wcUnicode) {
- IFX_SeekableReadStream* pFileRead =
+ CFX_RetainPtr<IFX_SeekableReadStream> pFileRead =
CreateFontStream(pDesc->m_wsFaceName.UTF8Encode());
if (!pFileRead)
return false;
@@ -773,12 +759,12 @@ bool CFGAS_FontMgr::VerifyUnicode(CFX_FontDescriptor* pDesc,
FXFT_Face pFace = LoadFace(pFileRead, pDesc->m_nFaceIndex);
FT_Error retCharmap = FXFT_Select_Charmap(pFace, FXFT_ENCODING_UNICODE);
FT_Error retIndex = FXFT_Get_Char_Index(pFace, wcUnicode);
- pFileRead->Release();
if (!pFace)
return false;
if (FXFT_Get_Face_External_Stream(pFace))
FXFT_Clear_Face_External_Stream(pFace);
+
FXFT_Done_Face(pFace);
return !retCharmap && retIndex;
}
@@ -811,24 +797,20 @@ CFGAS_GEFont* CFGAS_FontMgr::LoadFont(const CFX_WideString& wsFaceName,
if (!pSystemFontInfo)
return nullptr;
- IFX_SeekableReadStream* pFontStream =
+ CFX_RetainPtr<IFX_SeekableReadStream> pFontStream =
CreateFontStream(wsFaceName.UTF8Encode());
if (!pFontStream)
return nullptr;
- std::unique_ptr<CFX_Font> pInternalFont(new CFX_Font());
- if (!pInternalFont->LoadFile(pFontStream, iFaceIndex)) {
- pFontStream->Release();
+ auto pInternalFont = pdfium::MakeUnique<CFX_Font>();
+ if (!pInternalFont->LoadFile(pFontStream, iFaceIndex))
return nullptr;
- }
CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(std::move(pInternalFont), this);
- if (!pFont) {
- pFontStream->Release();
+ if (!pFont)
return nullptr;
- }
- m_IFXFont2FileRead.SetAt(pFont, pFontStream);
+ m_IFXFont2FileRead[pFont] = pFontStream;
if (pFaceCount)
*pFaceCount = pFont->GetDevFont()->GetFace()->num_faces;
@@ -845,24 +827,26 @@ unsigned long _ftStreamRead(FXFT_Stream stream,
return 0;
IFX_SeekableReadStream* pFile =
- (IFX_SeekableReadStream*)stream->descriptor.pointer;
- int res = pFile->ReadBlock(buffer, offset, count);
- if (res)
- return count;
- return 0;
+ static_cast<IFX_SeekableReadStream*>(stream->descriptor.pointer);
+ if (!pFile->ReadBlock(buffer, offset, count))
+ return 0;
+
+ return count;
}
void _ftStreamClose(FXFT_Stream stream) {}
}; // extern "C"
-FXFT_Face CFGAS_FontMgr::LoadFace(IFX_SeekableReadStream* pFontStream,
- int32_t iFaceIndex) {
+FXFT_Face CFGAS_FontMgr::LoadFace(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFontStream,
+ int32_t iFaceIndex) {
if (!pFontStream)
return nullptr;
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
pFontMgr->InitFTLibrary();
+
FXFT_Library library = pFontMgr->GetFTLibrary();
if (!library)
return nullptr;
@@ -870,7 +854,7 @@ FXFT_Face CFGAS_FontMgr::LoadFace(IFX_SeekableReadStream* pFontStream,
FXFT_Stream ftStream = FX_Alloc(FXFT_StreamRec, 1);
FXSYS_memset(ftStream, 0, sizeof(FXFT_StreamRec));
ftStream->base = nullptr;
- ftStream->descriptor.pointer = pFontStream;
+ ftStream->descriptor.pointer = static_cast<void*>(pFontStream.Get());
ftStream->pos = 0;
ftStream->size = static_cast<unsigned long>(pFontStream->GetSize());
ftStream->read = _ftStreamRead;
@@ -891,7 +875,7 @@ FXFT_Face CFGAS_FontMgr::LoadFace(IFX_SeekableReadStream* pFontStream,
return pFace;
}
-IFX_SeekableReadStream* CFGAS_FontMgr::CreateFontStream(
+CFX_RetainPtr<IFX_SeekableReadStream> CFGAS_FontMgr::CreateFontStream(
CFX_FontMapper* pFontMapper,
IFX_SystemFontInfo* pSystemFontInfo,
uint32_t index) {
@@ -912,11 +896,10 @@ IFX_SeekableReadStream* CFGAS_FontMgr::CreateFontStream(
return IFX_MemoryStream::Create(pBuffer, dwFileSize, true);
}
-IFX_SeekableReadStream* CFGAS_FontMgr::CreateFontStream(
+CFX_RetainPtr<IFX_SeekableReadStream> CFGAS_FontMgr::CreateFontStream(
const CFX_ByteString& bsFaceName) {
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
-
if (!pFontMapper)
return nullptr;
@@ -1039,11 +1022,8 @@ void CFGAS_FontMgr::RemoveFont(CFGAS_GEFont* pEFont) {
if (!pEFont)
return;
- IFX_SeekableReadStream* pFileRead;
- if (m_IFXFont2FileRead.Lookup(pEFont, pFileRead)) {
- pFileRead->Release();
- m_IFXFont2FileRead.RemoveKey(pEFont);
- }
+ m_IFXFont2FileRead.erase(pEFont);
+
FX_POSITION pos;
pos = m_Hash2Fonts.GetStartPosition();
while (pos) {
@@ -1096,8 +1076,9 @@ void CFGAS_FontMgr::RegisterFace(FXFT_Face pFace,
m_InstalledFonts.Add(pFont.release());
}
-void CFGAS_FontMgr::RegisterFaces(IFX_SeekableReadStream* pFontStream,
- const CFX_WideString* pFaceName) {
+void CFGAS_FontMgr::RegisterFaces(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFontStream,
+ const CFX_WideString* pFaceName) {
int32_t index = 0;
int32_t num_faces = 0;
do {
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