windowscodecs: Support 8-bit RGB (as opposed to BGR) bitfields bitmaps.

This commit is contained in:
Vincent Povirk 2011-01-10 15:24:08 -06:00 committed by Alexandre Julliard
parent d9fb1a4b92
commit b00c2979cf

View file

@ -399,6 +399,27 @@ fail:
return hr;
}
static HRESULT BmpFrameDecode_ReadRGB8(BmpDecoder* This)
{
HRESULT hr;
UINT width, height;
hr = IWICBitmapFrameDecode_GetSize((IWICBitmapFrameDecode*)&This->lpFrameVtbl, &width, &height);
if (SUCCEEDED(hr))
{
hr = BmpFrameDecode_ReadUncompressed(This);
}
if (SUCCEEDED(hr))
{
reverse_bgr8(This->bitsperpixel/8, This->imagedatastart,
width, height, This->stride);
}
return hr;
}
static HRESULT ReadByte(IStream *stream, BYTE *buffer, ULONG buffer_size,
ULONG *cursor, ULONG *bytesread, BYTE *result)
{
@ -705,6 +726,7 @@ static const struct bitfields_format bitfields_formats[] = {
{16,0xf800,0x7e0,0x1f,0,&GUID_WICPixelFormat16bppBGR565,BmpFrameDecode_ReadUncompressed},
{32,0xff0000,0xff00,0xff,0,&GUID_WICPixelFormat32bppBGR,BmpFrameDecode_ReadUncompressed},
{32,0xff0000,0xff00,0xff,0xff000000,&GUID_WICPixelFormat32bppBGRA,BmpFrameDecode_ReadUncompressed},
{32,0xff,0xff00,0xff0000,0,&GUID_WICPixelFormat32bppBGR,BmpFrameDecode_ReadRGB8},
{0}
};