windowscodecs: Add wrapper for IWICFormatConverter_Initialize.

dlls/windowscodecs/proxy.c

@@ -351,6 +351,14 @@ HRESULT WINAPI IWICBitmapFrameDecode_GetThumbnail_Proxy_W(IWICBitmapFrameDecode
     return IWICBitmapFrameDecode_GetThumbnail(iface, ppIThumbnail);
 }
 
+HRESULT WINAPI IWICFormatConverter_Initialize_Proxy_W(IWICFormatConverter *iface,
+    IWICBitmapSource *pISource, REFWICPixelFormatGUID dstFormat, WICBitmapDitherType dither,
+    IWICPalette *pIPalette, double alphaThresholdPercent, WICBitmapPaletteType paletteTranslate)
+{
+    return IWICFormatConverter_Initialize(iface, pISource, dstFormat, dither,
+        pIPalette, alphaThresholdPercent, paletteTranslate);
+}
+
 HRESULT WINAPI IWICImagingFactory_CreateBitmapClipper_Proxy_W(IWICImagingFactory *pFactory,
     IWICBitmapClipper **ppIBitmapClipper)
 {

dlls/windowscodecs/windowscodecs.spec

@@ -62,7 +62,7 @@
 @ stdcall IWICComponentInfo_GetVersion_Proxy(ptr long ptr ptr) IWICComponentInfo_GetVersion_Proxy_W
 @ stdcall IWICFastMetadataEncoder_Commit_Proxy(ptr) IWICFastMetadataEncoder_Commit_Proxy_W
 @ stdcall IWICFastMetadataEncoder_GetMetadataQueryWriter_Proxy(ptr ptr) IWICFastMetadataEncoder_GetMetadataQueryWriter_Proxy_W
-@ stub IWICFormatConverter_Initialize_Proxy
+@ stdcall IWICFormatConverter_Initialize_Proxy(ptr ptr ptr long ptr double long) IWICFormatConverter_Initialize_Proxy_W
 @ stdcall IWICImagingFactory_CreateBitmapClipper_Proxy(ptr ptr) IWICImagingFactory_CreateBitmapClipper_Proxy_W
 @ stdcall IWICImagingFactory_CreateBitmapFlipRotator_Proxy(ptr ptr) IWICImagingFactory_CreateBitmapFlipRotator_Proxy_W
 @ stdcall IWICImagingFactory_CreateBitmapFromHBITMAP_Proxy(ptr ptr ptr long ptr) IWICImagingFactory_CreateBitmapFromHBITMAP_Proxy_W