CDwGdiTextRenderer::CDwGdiTextRenderer(
CFX_DIBitmap* pBitmap,
IDWriteBitmapRenderTarget* bitmapRenderTarget,
IDWriteRenderingParams* renderingParams)
: pBitmap_(pBitmap),
pRenderTarget_(SafeAcquire(bitmapRenderTarget)),
pRenderingParams_(SafeAcquire(renderingParams)) {}
ResourceFontFileEnumerator::ResourceFontFileEnumerator(
IDWriteFactory* factory
) :
refCount_(0),
factory_(SafeAcquire(factory)),
currentFile_(),
nextIndex_(0)
{
}
HRESULT STDMETHODCALLTYPE CDwFontFileLoader::CreateStreamFromKey(
void const* fontFileReferenceKey,
UINT32 fontFileReferenceKeySize,
OUT IDWriteFontFileStream** fontFileStream) {
*fontFileStream = nullptr;
CDwFontFileStream* stream =
new CDwFontFileStream(fontFileReferenceKey, fontFileReferenceKeySize);
if (!stream->IsInitialized()) {
delete stream;
return E_FAIL;
}
*fontFileStream = SafeAcquire(stream);
return S_OK;
}
DWriteRenderer::DWriteRenderer(
HWND hwnd,
UINT width,
UINT height,
IDWriteTextFormat* textFormat,
wchar_t const* text
) :
hwnd_(hwnd),
width_(width),
height_(height),
measuringMode_(DWRITE_MEASURING_MODE_NATURAL),
transform_(g_identityTransform),
text_(text),
borderPen_(NULL),
textFormat_(SafeAcquire(textFormat)),
textLayout_(),
renderTarget_(),
magnifierTarget_(),
renderingParams_()
{
magnifier_.visible = false;
}
CDwFontContext::CDwFontContext(IDWriteFactory* dwriteFactory) :
hr_(S_FALSE),
dwriteFactory_(SafeAcquire(dwriteFactory))
{
}
HRESULT STDMETHODCALLTYPE ResourceFontFileEnumerator::GetCurrentFontFile(OUT IDWriteFontFile** fontFile)
{
*fontFile = SafeAcquire(currentFile_);
return (currentFile_ != NULL) ? S_OK : E_FAIL;
}