int SImgX_WIC::_DoDecode( IWICBitmapDecoder * pDecoder )
{
SASSERT(m_uImgCount == 0);
IWICImagingFactory* factory = SImgDecoderFactory_WIC::s_wicImgFactory;
CAutoRefPtr<IWICFormatConverter> converter;
if(FAILED(factory->CreateFormatConverter(&converter)))
return 0;
if(FAILED(pDecoder->GetFrameCount(&m_uImgCount)))
return 0;
m_pImgArray = new SImgFrame_WIC[m_uImgCount];
for(UINT i = 0; i< m_uImgCount ;i++)
{
CAutoRefPtr<IWICBitmapFrameDecode> frame;
if(SUCCEEDED(pDecoder->GetFrame(i,&frame)))
{
// CAutoRefPtr<IWICMetadataQueryReader> pMetaReader;
// pDecoder->GetMetadataQueryReader(&pMetaReader);
// if(pMetaReader)
// {
// PROPVARIANT propValue;
// PropVariantInit(&propValue);
// HRESULT hr=pMetaReader->GetMetadataByName(L"/grctlext/Delay", &propValue);
// if(SUCCEEDED(hr))
// {
// m_pImgArray[i].SetFrameDelay(propValue.intVal);
// }
// PropVariantClear(&propValue);
// }
converter->Initialize(frame,
m_bPremultiplied?GUID_WICPixelFormat32bppPBGRA:GUID_WICPixelFormat32bppBGRA,
WICBitmapDitherTypeNone,NULL,
0.f,WICBitmapPaletteTypeCustom);
CAutoRefPtr<IWICBitmapSource> bmp;
converter->QueryInterface(IID_PPV_ARGS(&bmp));
m_pImgArray[i].SetWICBitmapSource(bmp);
}
}
return m_uImgCount;
}
