diff --git a/dlls/windowscodecs/converter.c b/dlls/windowscodecs/converter.c index bde7eb60af7..a52c7d28daf 100644 --- a/dlls/windowscodecs/converter.c +++ b/dlls/windowscodecs/converter.c @@ -793,6 +793,39 @@ static HRESULT copypixels_to_32bppBGR(struct FormatConverter *This, const WICRec } } +static HRESULT copypixels_to_32bppPBGRA(struct FormatConverter *This, const WICRect *prc, + UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format) +{ + HRESULT hr; + + switch (source_format) + { + case format_32bppPBGRA: + if (prc) + return IWICBitmapSource_CopyPixels(This->source, prc, cbStride, cbBufferSize, pbBuffer); + return S_OK; + default: + hr = copypixels_to_32bppBGRA(This, prc, cbStride, cbBufferSize, pbBuffer, source_format); + if (SUCCEEDED(hr) && prc) + { + UINT x, y; + + for (y=0; yHeight; y++) + for (x=0; xWidth; x++) + { + BYTE alpha = pbBuffer[cbStride*y+4*x+3]; + if (alpha != 255) + { + pbBuffer[cbStride*y+4*x] = pbBuffer[cbStride*y+4*x] * alpha / 255; + pbBuffer[cbStride*y+4*x+1] = pbBuffer[cbStride*y+4*x+1] * alpha / 255; + pbBuffer[cbStride*y+4*x+2] = pbBuffer[cbStride*y+4*x+2] * alpha / 255; + } + } + } + return hr; + } +} + static const struct pixelformatinfo supported_formats[] = { {format_1bppIndexed, &GUID_WICPixelFormat1bppIndexed, NULL}, {format_2bppIndexed, &GUID_WICPixelFormat2bppIndexed, NULL}, @@ -809,7 +842,7 @@ static const struct pixelformatinfo supported_formats[] = { {format_24bppBGR, &GUID_WICPixelFormat24bppBGR, NULL}, {format_32bppBGR, &GUID_WICPixelFormat32bppBGR, copypixels_to_32bppBGR}, {format_32bppBGRA, &GUID_WICPixelFormat32bppBGRA, copypixels_to_32bppBGRA}, - {format_32bppPBGRA, &GUID_WICPixelFormat32bppPBGRA, NULL}, + {format_32bppPBGRA, &GUID_WICPixelFormat32bppPBGRA, copypixels_to_32bppPBGRA}, {format_48bppRGB, &GUID_WICPixelFormat48bppRGB, NULL}, {format_64bppRGBA, &GUID_WICPixelFormat64bppRGBA, NULL}, {format_32bppCMYK, &GUID_WICPixelFormat32bppCMYK, NULL},