[Webkit-unassigned] [Bug 55830] REGRESSION: Animated gifs blink and cause high CPU usage

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55830





--- Comment #16 from David <david at wmol.com>  2011-03-07 14:15:29 PST ---
here is your patch to fix it.  


--- GIFImageDecoder.cpp.orig    Mon Mar  7 16:59:34 2011
+++ GIFImageDecoder.cpp Mon Mar  7 17:14:09 2011
@@ -343,7 +343,7 @@

         if ((prevMethod == RGBA32Buffer::DisposeNotSpecified) || (prevMethod == RGBA32Buffer::DisposeKeep)) {
             // Preserve the last frame as the starting state for this frame.
-            if (!buffer->copyBitmapData(*prevBuffer));
+            if (!buffer->copyBitmapData(*prevBuffer))
                 return setFailed();
         } else {
             // We want to clear the previous frame to transparent, without
@@ -357,7 +357,7 @@
                     return setFailed();
             } else {
               // Copy the whole previous buffer, then clear just its frame.
-              if (!buffer->copyBitmapData(*prevBuffer));
+              if (!buffer->copyBitmapData(*prevBuffer))
                   return setFailed();
               for (int y = prevRect.y(); y < prevRect.bottom(); ++y) {
                   for (int x = prevRect.x(); x < prevRect.right(); ++x)

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