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windowscodecs: Implement conversion from 16bppGray to 32bppBGRA.

This commit is contained in:
Vincent Povirk 2009-08-27 13:30:39 -05:00 committed by Alexandre Julliard
parent 25022fe7d5
commit 363a0fdda9
2 changed files with 45 additions and 0 deletions
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44
dlls/windowscodecs/converter.c
View File

@ -44,6 +44,7 @@ enum pixelformat {
format_2bppGray,
format_4bppGray,
format_8bppGray,
format_16bppGray,
format_16bppBGR555,
format_16bppBGR565,
format_24bppBGR,
@ -380,6 +381,48 @@ static HRESULT copypixels_to_32bppBGRA(struct FormatConverter *This, const WICRe
return res;
}
return S_OK;
case format_16bppGray:
if (prc)
{
HRESULT res;
UINT x, y;
BYTE *srcdata;
UINT srcstride, srcdatasize;
const BYTE *srcrow;
const BYTE *srcbyte;
BYTE *dstrow;
DWORD *dstpixel;
srcstride = prc->Width * 2;
srcdatasize = srcstride * prc->Height;
srcdata = HeapAlloc(GetProcessHeap(), 0, srcdatasize);
if (!srcdata) return E_OUTOFMEMORY;
res = IWICBitmapSource_CopyPixels(This->source, prc, srcstride, srcdatasize, srcdata);
if (SUCCEEDED(res))
{
srcrow = srcdata;
dstrow = pbBuffer;
for (y=0; y<prc->Height; y++) {
srcbyte=(const BYTE*)srcrow;
dstpixel=(DWORD*)dstrow;
for (x=0; x<prc->Width; x++)
{
*dstpixel++ = 0xff000000|(*srcbyte<<16)|(*srcbyte<<8)|*srcbyte;
srcbyte+=2;
}
srcrow += srcstride;
dstrow += cbStride;
}
}
HeapFree(GetProcessHeap(), 0, srcdata);
return res;
}
return S_OK;
case format_16bppBGR555:
if (prc)
{
@ -567,6 +610,7 @@ static const struct pixelformatinfo supported_formats[] = {
{format_2bppGray, &GUID_WICPixelFormat2bppGray, NULL},
{format_4bppGray, &GUID_WICPixelFormat4bppGray, NULL},
{format_8bppGray, &GUID_WICPixelFormat8bppGray, NULL},
{format_16bppGray, &GUID_WICPixelFormat16bppGray, NULL},
{format_16bppBGR555, &GUID_WICPixelFormat16bppBGR555, NULL},
{format_16bppBGR565, &GUID_WICPixelFormat16bppBGR565, NULL},
{format_24bppBGR, &GUID_WICPixelFormat24bppBGR, NULL},

1
dlls/windowscodecs/regsvr.c
View File

@ -925,6 +925,7 @@ static GUID const * const converter_formats[] = {
&GUID_WICPixelFormat2bppGray,
&GUID_WICPixelFormat4bppGray,
&GUID_WICPixelFormat8bppGray,
&GUID_WICPixelFormat16bppGray,
&GUID_WICPixelFormat16bppBGR555,
&GUID_WICPixelFormat16bppBGR565,
&GUID_WICPixelFormat24bppBGR,