Changeset 59363 in webkit

Timestamp:

May 13, 2010 7:35:03 AM (14 years ago)

Author:

antti.j.koivisto@nokia.com

Message:

​https://bugs.webkit.org/show_bug.cgi?id=39063
[Qt] Tiled backing store checker pattern does not paint correctly when scaling factor is not 1

Reviewed by Kenneth Rohde Christiansen.

Use the dirty rect that has been adjusted for scaling instead of the original one.

• platform/graphics/TiledBackingStore.cpp:

(WebCore::TiledBackingStore::paint):

Location:

trunk/WebCore

Files:

• ChangeLog (modified) (1 diff)
• platform/graphics/TiledBackingStore.cpp (modified) (1 diff)

trunk/WebCore/ChangeLog

@@ +1 @@
+2010-05-13  Antti Koivisto  <koivisto@iki.fi>
+
+        Reviewed by Kenneth Rohde Christiansen.
+
+        https://bugs.webkit.org/show_bug.cgi?id=39063
+        [Qt] Tiled backing store checker pattern does not paint correctly when scaling factor is not 1
+
+        Use the dirty rect that has been adjusted for scaling instead of the original one.
+
+        * platform/graphics/TiledBackingStore.cpp:
+        (WebCore::TiledBackingStore::paint):
+
 2010-05-13  Chang Shu  <chang.shu@nokia.com>
 

trunk/WebCore/platform/graphics/TiledBackingStore.cpp

@@ -121 +121 @@
                 currentTile->paint(context, dirtyRect);
             else {
-                FloatRect tileRect = tileRectForCoordinate(currentCoordinate);
-                FloatRect target = intersection(tileRect, FloatRect(rect));
-                Tile::paintCheckerPattern(context, target);
+                IntRect tileRect = tileRectForCoordinate(currentCoordinate);
+                IntRect target = intersection(tileRect, dirtyRect);
+                if (target.isEmpty())
+                    continue;
+                Tile::paintCheckerPattern(context, FloatRect(target));
             }
         }