windowscodecs: Use predefined WICBitmapPaletteTypeFixedBW palette instead of a hand-made one.
diff --git a/dlls/windowscodecs/converter.c b/dlls/windowscodecs/converter.c
index 98e727e..6ee3a16 100644
--- a/dlls/windowscodecs/converter.c
+++ b/dlls/windowscodecs/converter.c
@@ -103,24 +103,19 @@
IWICPalette *palette;
UINT actualcolors;
+ res = PaletteImpl_Create(&palette);
+ if (FAILED(res)) return res;
+
if (source_format == format_1bppIndexed)
- {
- res = PaletteImpl_Create(&palette);
- if (FAILED(res)) return res;
-
res = IWICBitmapSource_CopyPalette(This->source, palette);
- if (SUCCEEDED(res))
- res = IWICPalette_GetColors(palette, 2, colors, &actualcolors);
-
- IWICPalette_Release(palette);
-
- if (FAILED(res)) return res;
- }
else
- {
- colors[0] = 0xff000000;
- colors[1] = 0xffffffff;
- }
+ res = IWICPalette_InitializePredefined(palette, WICBitmapPaletteTypeFixedBW, FALSE);
+
+ if (SUCCEEDED(res))
+ res = IWICPalette_GetColors(palette, 2, colors, &actualcolors);
+
+ IWICPalette_Release(palette);
+ if (FAILED(res)) return res;
srcstride = (prc->Width+7)/8;
srcdatasize = srcstride * prc->Height;