Dmitry Timoshkov : windowscodecs: Implement TiffDecoder_GetPreview.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a7190c7dc7c82d0ba0d0be9db6774a1f354c9e6a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a7190c7dc7c82d0ba0d0be9db6...

Author: Dmitry Timoshkov 
Date:   Mon Jun 25 12:27:12 2012 +0900

windowscodecs: Implement TiffDecoder_GetPreview.

---

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

diff --git a/dlls/windowscodecs/tiffformat.c b/dlls/windowscodecs/tiffformat.c
index d12729f..a64d65f 100644
--- a/dlls/windowscodecs/tiffformat.c
+++ b/dlls/windowscodecs/tiffformat.c
@@ -628,8 +628,12 @@ static HRESULT WINAPI TiffDecoder_GetMetadataQueryReader(IWICBitmapDecoder *ifac
 static HRESULT WINAPI TiffDecoder_GetPreview(IWICBitmapDecoder *iface,
     IWICBitmapSource **ppIBitmapSource)
 {
-    FIXME("(%p,%p): stub\n", iface, ppIBitmapSource);
-    return E_NOTIMPL;
+    TRACE("(%p,%p)\n", iface, ppIBitmapSource);
+
+    if (!ppIBitmapSource) return E_INVALIDARG;
+
+    *ppIBitmapSource = NULL;
+    return WINCODEC_ERR_UNSUPPORTEDOPERATION;
 }

static HRESULT WINAPI TiffDecoder_GetColorContexts(IWICBitmapDecoder *iface,