Changeset 140412 in webkit

Timestamp:

Jan 22, 2013 4:36:14 AM (11 years ago)

Author:

allan.jensen@digia.com

Message:

[Qt] Box shadows on a transparency layer is very slow
​https://bugs.webkit.org/show_bug.cgi?id=107547

Reviewed by Noam Rosenthal.

Set an initial clip on the transparency layer, so that the clipping
bounds will never end up larger than the layer.

• platform/graphics/qt/TransparencyLayer.h:

(WebCore::TransparencyLayer::TransparencyLayer):

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• platform/graphics/qt/TransparencyLayer.h (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2013-01-22  Allan Sandfeld Jensen  <allan.jensen@digia.com>
+
+        [Qt] Box shadows on a transparency layer is very slow
+        https://bugs.webkit.org/show_bug.cgi?id=107547
+
+        Reviewed by Noam Rosenthal.
+
+        Set an initial clip on the transparency layer, so that the clipping
+        bounds will never end up larger than the layer.
+
+        * platform/graphics/qt/TransparencyLayer.h:
+        (WebCore::TransparencyLayer::TransparencyLayer):
+
 2013-01-22  Matt Falkenhagen  <falken@chromium.org>
 

trunk/Source/WebCore/platform/graphics/qt/TransparencyLayer.h

@@ -62 +62 @@
         painter.setFont(p->font());
         painter.setOpacity(1);
+        // Set a default clip, so IntersectClip will work correctly later.
+        painter.setClipRect(0, 0, rect.width(), rect.height());
     }