276692 get nsIGdkPixbufImage using GI(nsIImage) followed by

QI(nsIGdkPixbufImage) r=bryner sr=dbaron
2005-04-05 21:08:04 +00:00
parent 8a5202b5aa
commit f6f50f0227
2 changed files with 10 additions and 2 deletions
--- a/browser/components/shell/src/nsGNOMEShellService.cpp
+++ b/browser/components/shell/src/nsGNOMEShellService.cpp
@@ -344,7 +344,11 @@ nsGNOMEShellService::SetShouldCheckDefaultBrowser(PRBool aShouldCheck)
 static nsresult
 WriteImage(const nsCString& aPath, gfxIImageFrame* aImage)
 {
-  nsCOMPtr<nsIGdkPixbufImage> pixImg(do_GetInterface(aImage));
+  nsCOMPtr<nsIImage> img(do_GetInterface(aImage));
+  if (!img)
+      return NS_ERROR_NOT_AVAILABLE;
+
+  nsCOMPtr<nsIGdkPixbufImage> pixImg(do_QueryInterface(img));
  if (!pixImg)
      return NS_ERROR_NOT_AVAILABLE;