Vincent Povirk : windowscodecs: Implement IsBlackWhite and IsGrayscale for palettes.
Alexandre Julliard
julliard at winehq.org
Fri Jul 3 09:31:12 CDT 2009
Module: wine
Branch: master
Commit: cf8a26aff6b9f73f3184048b4b8beaafb8ec5f2d
URL: http://source.winehq.org/git/wine.git/?a=commit;h=cf8a26aff6b9f73f3184048b4b8beaafb8ec5f2d
Author: Vincent Povirk <vincent at codeweavers.com>
Date: Thu Jul 2 17:44:31 2009 -0500
windowscodecs: Implement IsBlackWhite and IsGrayscale for palettes.
---
dlls/windowscodecs/palette.c | 35 +++++++++++++++++++++++++++++++----
1 files changed, 31 insertions(+), 4 deletions(-)
diff --git a/dlls/windowscodecs/palette.c b/dlls/windowscodecs/palette.c
index a3d67aa..ccf1176 100644
--- a/dlls/windowscodecs/palette.c
+++ b/dlls/windowscodecs/palette.c
@@ -186,14 +186,41 @@ static HRESULT WINAPI PaletteImpl_GetColors(IWICPalette *iface, UINT colorCount,
static HRESULT WINAPI PaletteImpl_IsBlackWhite(IWICPalette *iface, BOOL *pfIsBlackWhite)
{
- FIXME("(%p,%p): stub\n", iface, pfIsBlackWhite);
- return E_NOTIMPL;
+ PaletteImpl *This = (PaletteImpl*)iface;
+
+ TRACE("(%p,%p)\n", iface, pfIsBlackWhite);
+
+ if (!pfIsBlackWhite) return E_INVALIDARG;
+
+ if (This->type == WICBitmapPaletteTypeFixedBW)
+ *pfIsBlackWhite = TRUE;
+ else
+ *pfIsBlackWhite = FALSE;
+
+ return S_OK;
}
static HRESULT WINAPI PaletteImpl_IsGrayscale(IWICPalette *iface, BOOL *pfIsGrayscale)
{
- FIXME("(%p,%p): stub\n", iface, pfIsGrayscale);
- return E_NOTIMPL;
+ PaletteImpl *This = (PaletteImpl*)iface;
+
+ TRACE("(%p,%p)\n", iface, pfIsGrayscale);
+
+ if (!pfIsGrayscale) return E_INVALIDARG;
+
+ switch(This->type)
+ {
+ case WICBitmapPaletteTypeFixedBW:
+ case WICBitmapPaletteTypeFixedGray4:
+ case WICBitmapPaletteTypeFixedGray16:
+ case WICBitmapPaletteTypeFixedGray256:
+ *pfIsGrayscale = TRUE;
+ break;
+ default:
+ *pfIsGrayscale = FALSE;
+ }
+
+ return S_OK;
}
static HRESULT WINAPI PaletteImpl_HasAlpha(IWICPalette *iface, BOOL *pfHasAlpha)
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