[4/5] windowscodecs: Implement IWICBitmapScaler::CopyPalette.

[Vincent Povirk]

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From a6bd468c1a6d00cfcdfb1015cd7296da9f872302 Mon Sep 17 00:00:00 2001
From: Vincent Povirk <vincent at codeweavers.com>
Date: Tue, 28 Feb 2012 16:34:51 -0600
Subject: [PATCH 4/8] windowscodecs: Implement IWICBitmapScaler::CopyPalette.

---
 dlls/windowscodecs/scaler.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dlls/windowscodecs/scaler.c b/dlls/windowscodecs/scaler.c
index 900f276..29ebfaf 100644
--- a/dlls/windowscodecs/scaler.c
+++ b/dlls/windowscodecs/scaler.c
@@ -141,9 +141,13 @@ static HRESULT WINAPI BitmapScaler_GetResolution(IWICBitmapScaler *iface,
 static HRESULT WINAPI BitmapScaler_CopyPalette(IWICBitmapScaler *iface,
     IWICPalette *pIPalette)
 {
-    FIXME("(%p,%p): stub\n", iface, pIPalette);
+    BitmapScaler *This = impl_from_IWICBitmapScaler(iface);
+    TRACE("(%p,%p)\n", iface, pIPalette);
 
-    return E_NOTIMPL;
+    if (!This->source)
+        return WINCODEC_ERR_WRONGSTATE;
+
+    return IWICBitmapSource_CopyPalette(This->source, pIPalette);
 }
 
 static HRESULT WINAPI BitmapScaler_CopyPixels(IWICBitmapScaler *iface,
-- 
1.7.9.5