windowscodecs: Implement conversion from 64bppRGBA to 32bppBGRA.
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7f73787947
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0a495723c0
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@ -51,6 +51,7 @@ enum pixelformat {
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format_32bppBGR,
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format_32bppBGR,
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format_32bppBGRA,
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format_32bppBGRA,
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format_48bppRGB,
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format_48bppRGB,
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format_64bppRGBA,
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};
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};
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typedef HRESULT (*copyfunc)(struct FormatConverter *This, const WICRect *prc,
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typedef HRESULT (*copyfunc)(struct FormatConverter *This, const WICRect *prc,
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@ -626,6 +627,51 @@ static HRESULT copypixels_to_32bppBGRA(struct FormatConverter *This, const WICRe
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return res;
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return res;
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}
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}
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return S_OK;
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return S_OK;
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case format_64bppRGBA:
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if (prc)
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{
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HRESULT res;
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UINT x, y;
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BYTE *srcdata;
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UINT srcstride, srcdatasize;
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const BYTE *srcrow;
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const BYTE *srcpixel;
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BYTE *dstrow;
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DWORD *dstpixel;
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srcstride = 8 * prc->Width;
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srcdatasize = srcstride * prc->Height;
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srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
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if (!srcdata) return E_OUTOFMEMORY;
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res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
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if (SUCCEEDED(res))
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{
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srcrow = srcdata;
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dstrow = pbBuffer;
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for (y=0; y<prc->Height; y++) {
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srcpixel=srcrow;
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dstpixel=(DWORD*)dstrow;
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for (x=0; x<prc->Width; x++) {
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BYTE red, green, blue, alpha;
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red = *srcpixel++; srcpixel++;
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green = *srcpixel++; srcpixel++;
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blue = *srcpixel++; srcpixel++;
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alpha = *srcpixel++; srcpixel++;
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*dstpixel++=alpha<<24|red<<16|green<<8|blue;
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}
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srcrow += srcstride;
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dstrow += cbStride;
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}
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}
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HeapFree(GetProcessHeap(), 0, srcdata);
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return res;
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}
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return S_OK;
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default:
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default:
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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return WINCODEC_ERR_UNSUPPORTEDOPERATION;
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}
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}
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@ -662,6 +708,7 @@ static const struct pixelformatinfo supported_formats[] = {
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{format_32bppBGR, &GUID_WICPixelFormat32bppBGR, copypixels_to_32bppBGR},
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{format_32bppBGR, &GUID_WICPixelFormat32bppBGR, copypixels_to_32bppBGR},
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{format_32bppBGRA, &GUID_WICPixelFormat32bppBGRA, copypixels_to_32bppBGRA},
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{format_32bppBGRA, &GUID_WICPixelFormat32bppBGRA, copypixels_to_32bppBGRA},
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{format_48bppRGB, &GUID_WICPixelFormat48bppRGB, NULL},
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{format_48bppRGB, &GUID_WICPixelFormat48bppRGB, NULL},
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{format_64bppRGBA, &GUID_WICPixelFormat64bppRGBA, NULL},
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{0}
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{0}
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};
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};
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@ -932,6 +932,7 @@ static GUID const * const converter_formats[] = {
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&GUID_WICPixelFormat32bppBGR,
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&GUID_WICPixelFormat32bppBGR,
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&GUID_WICPixelFormat32bppBGRA,
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&GUID_WICPixelFormat32bppBGRA,
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&GUID_WICPixelFormat48bppRGB,
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&GUID_WICPixelFormat48bppRGB,
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&GUID_WICPixelFormat64bppRGBA,
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NULL
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NULL
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};
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};
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