[PATCH 1/4] windowscodecs: WICConvertBitmapSource should ask IWICFormatConverter::Initialize to use an optimized palette.

[Dmitry Timoshkov]

This matches Windows' behaviour, and makes a simple test application that
converts any WIC compatible RGB(A) source image to 8bppIndexed format work.

Signed-off-by: Dmitry Timoshkov 
---
 dlls/windowscodecs/info.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/windowscodecs/info.c b/dlls/windowscodecs/info.c
index d0c2c690ca..9bec30fcea 100644
--- a/dlls/windowscodecs/info.c
+++ b/dlls/windowscodecs/info.c
@@ -2523,7 +2523,7 @@ HRESULT WINAPI WICConvertBitmapSource(REFWICPixelFormatGUID dstFormat, IWICBitma

if (SUCCEEDED(res) && canconvert)
                         res = IWICFormatConverter_Initialize(converter, pISrc, dstFormat, WICBitmapDitherTypeNone,
-                            NULL, 0.0, WICBitmapPaletteTypeCustom);
+                            NULL, 0.0, WICBitmapPaletteTypeMedianCut);

if (FAILED(res) || !canconvert)
                     {

[Vincent Povirk]

Signed-off-by: Vincent Povirk