Dmitry Timoshkov : windowscodecs: Use predefined WICBitmapPaletteTypeFixedGray16 palette instead of a handmade one .
Alexandre Julliard
julliard at winehq.org
Fri Jul 13 14:11:18 CDT 2012
Module: wine
Branch: master
Commit: b82023b7c280e7becfb208ddfd7b83797e70df77
URL: http://source.winehq.org/git/wine.git/?a=commit;h=b82023b7c280e7becfb208ddfd7b83797e70df77
Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date: Fri Jul 13 10:08:58 2012 +0900
windowscodecs: Use predefined WICBitmapPaletteTypeFixedGray16 palette instead of a handmade one.
---
dlls/windowscodecs/converter.c | 30 +++++++++---------------------
1 files changed, 9 insertions(+), 21 deletions(-)
diff --git a/dlls/windowscodecs/converter.c b/dlls/windowscodecs/converter.c
index bd83be3..98e727e 100644
--- a/dlls/windowscodecs/converter.c
+++ b/dlls/windowscodecs/converter.c
@@ -82,16 +82,6 @@ static inline FormatConverter *impl_from_IWICFormatConverter(IWICFormatConverter
return CONTAINING_RECORD(iface, FormatConverter, IWICFormatConverter_iface);
}
-static void make_grayscale_palette(WICColor *colors, UINT num_colors)
-{
- int i, v;
- for (i=0; i<num_colors; i++)
- {
- v = i * 255 / (num_colors-1);
- colors[i] = 0xff000000 | v<<16 | v<<8 | v;
- }
-}
-
static HRESULT copypixels_to_32bppBGRA(struct FormatConverter *This, const WICRect *prc,
UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer, enum pixelformat source_format)
{
@@ -248,21 +238,19 @@ static HRESULT copypixels_to_32bppBGRA(struct FormatConverter *This, const WICRe
IWICPalette *palette;
UINT actualcolors;
- if (source_format == format_4bppIndexed)
- {
- res = PaletteImpl_Create(&palette);
- if (FAILED(res)) return res;
+ res = PaletteImpl_Create(&palette);
+ if (FAILED(res)) return res;
+ if (source_format == format_4bppIndexed)
res = IWICBitmapSource_CopyPalette(This->source, palette);
- if (SUCCEEDED(res))
- res = IWICPalette_GetColors(palette, 16, colors, &actualcolors);
+ else
+ res = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedGray16, FALSE);
- IWICPalette_Release(palette);
+ if (SUCCEEDED(res))
+ res = IWICPalette_GetColors(palette, 16, colors, &actualcolors);
- if (FAILED(res)) return res;
- }
- else
- make_grayscale_palette(colors, 16);
+ IWICPalette_Release(palette);
+ if (FAILED(res)) return res;
srcstride = (prc->Width+1)/2;
srcdatasize = srcstride * prc->Height;
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