2009-04-28 David Carson <dacarson@apple.com>

        Reviewed by David Hyatt.

        Restore alignment to device pixel boundaries.
        https://bugs.webkit.org/show_bug.cgi?id=25458

        Adjust the adjusted destination rect to be device pixel aligned.

        * platform/graphics/cg/ImageCG.cpp:
        (WebCore::BitmapImage::draw):

2009-04-28  David Carson  <dacarson@apple.com>

        Reviewed by David Kilzer.

        Restore alignment to device pixel boundaries.
        https://bugs.webkit.org/show_bug.cgi?id=25458

        Updated test results with progressions.

        * platform/mac/svg/W3C-SVG-1.1/render-groups-03-t-expected.checksum:
        * platform/mac/svg/W3C-SVG-1.1/render-groups-03-t-expected.png:
        Yin-yang image shifted slightly to pixel boundaries.

        * platform/mac/svg/custom/focus-ring-expected.checksum:
        * platform/mac/svg/custom/focus-ring-expected.png:
        Focus rings drawn around rotated "focus text" and checkered
        images shifted slightly to pixel boundaries.

        * platform/mac/svg/custom/image-small-width-height-expected.checksum:
        * platform/mac/svg/custom/image-small-width-height-expected.png:
        Checkered images shifted slightly to pixel boundaries.

git-svn-id: svn://svn.chromium.org/blink/trunk@42987 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/ChangeLog

+2009-04-28  David Carson  <dacarson@apple.com>
+
+        Reviewed by David Kilzer.
+
+        Restore alignment to device pixel boundaries.
+        https://bugs.webkit.org/show_bug.cgi?id=25458
+
+        Updated test results with progressions.
+
+        * platform/mac/svg/W3C-SVG-1.1/render-groups-03-t-expected.checksum:
+        * platform/mac/svg/W3C-SVG-1.1/render-groups-03-t-expected.png:
+        Yin-yang image shifted slightly to pixel boundaries.
+
+        * platform/mac/svg/custom/focus-ring-expected.checksum:
+        * platform/mac/svg/custom/focus-ring-expected.png:
+        Focus rings drawn around rotated "focus text" and checkered
+        images shifted slightly to pixel boundaries.
+
+        * platform/mac/svg/custom/image-small-width-height-expected.checksum:
+        * platform/mac/svg/custom/image-small-width-height-expected.png:
+        Checkered images shifted slightly to pixel boundaries.
+
 2009-04-28  David Kilzer  <ddkilzer@apple.com>
 
         Added missing pixel test results.

third_party/WebKit/LayoutTests/platform/mac/svg/W3C-SVG-1.1/render-groups-03-t-expected.checksum

-9a0ffc4ad46c97ddfadf8d62609e9f7e
\ No newline at end of file
+b0a167d8ddd185834b1359792941ea21
\ No newline at end of file

third_party/WebKit/LayoutTests/platform/mac/svg/custom/focus-ring-expected.checksum

-b0271ba362746668aa698b1dc12d3393
\ No newline at end of file
+07b57c93616d94ee8ebb9a2f764bcf10
\ No newline at end of file

third_party/WebKit/LayoutTests/platform/mac/svg/custom/image-small-width-height-expected.checksum

-42618171a0d47fb2300cbb6cfb4f8b59
\ No newline at end of file
+bca9b1654d4a47aa2bb6e5ed8a4900b3
\ No newline at end of file

third_party/WebKit/WebCore/ChangeLog

+2009-04-28  David Carson  <dacarson@apple.com>
+
+        Reviewed by David Hyatt.
+
+        Restore alignment to device pixel boundaries.
+        https://bugs.webkit.org/show_bug.cgi?id=25458
+
+        Adjust the adjusted destination rect to be device pixel aligned.
+
+        * platform/graphics/cg/ImageCG.cpp:
+        (WebCore::BitmapImage::draw):
+
 2009-04-28  Sam Weinig  <sam@webkit.org>
 
         Reviewed by Anders Carlsson.

third_party/WebKit/WebCore/platform/graphics/cg/ImageCG.cpp

@@ -187,6 +187,9 @@ void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& destRect, const F
     if (!shouldUseSubimage && currHeight < selfSize.height())
         adjustedDestRect.setHeight(adjustedDestRect.height() * currHeight / selfSize.height());
 
+    // Align to pixel boundaries
+    adjustedDestRect = ctxt->roundToDevicePixels(adjustedDestRect);
+
     // Flip the coords.
     ctxt->setCompositeOperation(compositeOp);
     CGContextTranslateCTM(context, adjustedDestRect.x(), adjustedDestRect.bottom());