FXFT_Face CFGAS_FontMgr::LoadFace(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;
FXFT_Stream ftStream = FX_Alloc(FXFT_StreamRec, 1);
FXSYS_memset(ftStream, 0, sizeof(FXFT_StreamRec));
ftStream->base = nullptr;
ftStream->descriptor.pointer = pFontStream;
ftStream->pos = 0;
ftStream->size = static_cast<unsigned long>(pFontStream->GetSize());
ftStream->read = _ftStreamRead;
ftStream->close = _ftStreamClose;
FXFT_Open_Args ftArgs;
FXSYS_memset(&ftArgs, 0, sizeof(FXFT_Open_Args));
ftArgs.flags |= FT_OPEN_STREAM;
ftArgs.stream = ftStream;
FXFT_Face pFace = nullptr;
if (FXFT_Open_Face(library, &ftArgs, iFaceIndex, &pFace)) {
FX_Free(ftStream);
return nullptr;
}
FXFT_Set_Pixel_Sizes(pFace, 0, 64);
return pFace;
}
CFGAS_GEFont* CFGAS_FontMgr::LoadFont(const CFX_WideString& wsFaceName,
int32_t iFaceIndex,
int32_t* pFaceCount) {
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
if (!pFontMapper)
return nullptr;
IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
if (!pSystemFontInfo)
return nullptr;
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();
return nullptr;
}
CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(std::move(pInternalFont), this);
if (!pFont) {
pFontStream->Release();
return nullptr;
}
m_IFXFont2FileRead.SetAt(pFont, pFontStream);
if (pFaceCount)
*pFaceCount = pFont->GetDevFont()->GetFace()->num_faces;
return pFont;
}
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;
IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
if (!pSystemFontInfo)
return nullptr;
pSystemFontInfo->EnumFontList(pFontMapper);
for (int32_t i = 0; i < pFontMapper->GetFaceSize(); ++i) {
if (pFontMapper->GetFaceName(i) == bsFaceName)
return CreateFontStream(pFontMapper, pSystemFontInfo, i);
}
return nullptr;
}
FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile,
int nFaceIndex,
int* pFaceCount) {
m_bEmbedded = FALSE;
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
pFontMgr->InitFTLibrary();
FXFT_Library library = pFontMgr->GetFTLibrary();
FXFT_Stream stream = nullptr;
if (!_LoadFile(library, &m_Face, pFile, &stream, nFaceIndex))
return FALSE;
if (pFaceCount)
*pFaceCount = (int)m_Face->num_faces;
m_pOwnedStream = stream;
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return TRUE;
}
FX_BOOL CFX_SystemHandler::FindNativeTrueTypeFont(
int32_t nCharset,
CFX_ByteString sFontFaceName) {
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
if (!pFontMgr)
return FALSE;
CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
if (!pFontMapper)
return FALSE;
int nSize = pFontMapper->m_InstalledTTFonts.GetSize();
if (nSize == 0) {
pFontMapper->LoadInstalledFonts();
nSize = pFontMapper->m_InstalledTTFonts.GetSize();
}
for (int i = 0; i < nSize; ++i) {
if (pFontMapper->m_InstalledTTFonts[i].Compare(sFontFaceName))
return TRUE;
}
return FALSE;
}
