virtual HRESULT STDMETHODCALLTYPE CreateCustomFontFileReference(
void const* fontFileReferenceKey,
UINT32 fontFileReferenceKeySize,
IDWriteFontFileLoader* fontFileLoader,
IDWriteFontFile** fontFile
)
{
return orig_this->CreateCustomFontFileReference(fontFileReferenceKey, fontFileReferenceKeySize, fontFileLoader, fontFile);
}
LPVOID CDWriteExt::DwCreateFontFaceFromStream(uint8_t* pData, FX_DWORD size, int simulation_style)
{
IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory;
IDWriteFontFile* pDwFontFile = NULL;
IDWriteFontFace* pDwFontFace = NULL;
BOOL isSupportedFontType = FALSE;
DWRITE_FONT_FILE_TYPE fontFileType;
DWRITE_FONT_FACE_TYPE fontFaceType;
UINT32 numberOfFaces;
DWRITE_FONT_SIMULATIONS fontStyle = (DWRITE_FONT_SIMULATIONS)(simulation_style & 3);
HRESULT hr = S_OK;
hr = pDwFactory->CreateCustomFontFileReference(
(void const*)pData,
(UINT32)size,
CDwFontFileLoader::GetLoader(),
&pDwFontFile
);
if (FAILED(hr)) {
goto failed;
}
hr = pDwFontFile->Analyze(
&isSupportedFontType,
&fontFileType,
&fontFaceType,
&numberOfFaces
);
if (FAILED(hr) || !isSupportedFontType || fontFaceType == DWRITE_FONT_FACE_TYPE_UNKNOWN) {
goto failed;
}
hr = pDwFactory->CreateFontFace(
fontFaceType,
1,
&pDwFontFile,
0,
fontStyle,
&pDwFontFace
);
if (FAILED(hr)) {
goto failed;
}
SafeRelease(&pDwFontFile);
return pDwFontFace;
failed:
SafeRelease(&pDwFontFile);
return NULL;
}
ScaledFontDWrite::ScaledFontDWrite(uint8_t *aData, uint32_t aSize,
uint32_t aIndex, Float aGlyphSize)
: ScaledFontBase(aGlyphSize)
{
IDWriteFactory *factory = DrawTargetD2D::GetDWriteFactory();
ffReferenceKey key;
key.mData = aData;
key.mSize = aSize;
RefPtr<IDWriteFontFile> fontFile;
if (FAILED(factory->CreateCustomFontFileReference(&key, sizeof(ffReferenceKey), DWriteFontFileLoader::Instance(), byRef(fontFile)))) {
gfxWarning() << "Failed to load font file from data!";
return;
}
IDWriteFontFile *ff = fontFile;
if (FAILED(factory->CreateFontFace(DWRITE_FONT_FACE_TYPE_TRUETYPE, 1, &ff, aIndex, DWRITE_FONT_SIMULATIONS_NONE, byRef(mFontFace)))) {
gfxWarning() << "Failed to create font face from font file data!";
}
}