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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/166100">166100</a></dd>
<dt>Author</dt> <dd>zalan@apple.com</dd>
<dt>Date</dt> <dd>2014-03-21 15:09:05 -0700 (Fri, 21 Mar 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Subpixel rendering: Make &lt;img&gt; positioning subpixel aware.
https://bugs.webkit.org/show_bug.cgi?id=130596

Reviewed by Simon Fraser.

Change &lt;img&gt; positioning from integral to device pixel. It enables us
to paint hairline borders around &lt;img&gt; properly.
This patch changes the behavior of broken image representation from constant 1 CSS px border
to a dynamic 1 device px.

Source/WebCore:

Test: fast/images/hidpi-image-position-on-device-pixels.html

* WebCore.exp.in:
* platform/graphics/GraphicsContext.cpp:
(WebCore::GraphicsContext::drawImage):
* platform/graphics/GraphicsContext.h:
* platform/graphics/cairo/GraphicsContextCairo.cpp:
(WebCore::GraphicsContext::drawRect):
* platform/graphics/cg/GraphicsContextCG.cpp:
(WebCore::GraphicsContext::drawRect):
* platform/graphics/wince/GraphicsContextWinCE.cpp:
(WebCore::GraphicsContext::drawRect):
* rendering/RenderImage.cpp:
(WebCore::RenderImage::paintReplaced):
(WebCore::RenderImage::paintIntoRect):
* rendering/RenderImage.h:
* rendering/RenderLayer.cpp:
(WebCore::RenderLayer::drawPlatformResizerImage):

LayoutTests:

* fast/images/hidpi-image-position-on-device-pixels-expected.html: Added.
* fast/images/hidpi-image-position-on-device-pixels.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCoreexpin">trunk/Source/WebCore/WebCore.exp.in</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsGraphicsContextcpp">trunk/Source/WebCore/platform/graphics/GraphicsContext.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsGraphicsContexth">trunk/Source/WebCore/platform/graphics/GraphicsContext.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscairoGraphicsContextCairocpp">trunk/Source/WebCore/platform/graphics/cairo/GraphicsContextCairo.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscgGraphicsContextCGcpp">trunk/Source/WebCore/platform/graphics/cg/GraphicsContextCG.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicswinceGraphicsContextWinCEcpp">trunk/Source/WebCore/platform/graphics/wince/GraphicsContextWinCE.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderImagecpp">trunk/Source/WebCore/rendering/RenderImage.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderImageh">trunk/Source/WebCore/rendering/RenderImage.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayercpp">trunk/Source/WebCore/rendering/RenderLayer.cpp</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastimageshidpiimagepositionondevicepixelsexpectedhtml">trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels-expected.html</a></li>
<li><a href="#trunkLayoutTestsfastimageshidpiimagepositionondevicepixelshtml">trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/LayoutTests/ChangeLog        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2014-03-21  Zalan Bujtas  &lt;zalan@apple.com&gt;
+
+        Subpixel rendering: Make &lt;img&gt; positioning subpixel aware.
+        https://bugs.webkit.org/show_bug.cgi?id=130596
+
+        Reviewed by Simon Fraser.
+
+        Change &lt;img&gt; positioning from integral to device pixel. It enables us
+        to paint hairline borders around &lt;img&gt; properly.
+        This patch changes the behavior of broken image representation from constant 1 CSS px border
+        to a dynamic 1 device px.
+
+        * fast/images/hidpi-image-position-on-device-pixels-expected.html: Added.
+        * fast/images/hidpi-image-position-on-device-pixels.html: Added.
+
</ins><span class="cx"> 2014-03-21  Brent Fulgham  &lt;bfulgham@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Unreviewed test fix after r166080.
</span></span></pre></div>
<a id="trunkLayoutTestsfastimageshidpiimagepositionondevicepixelsexpectedhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels-expected.html (0 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels-expected.html                                (rev 0)
+++ trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels-expected.html        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -0,0 +1,32 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt;
+&lt;title&gt;This tests that we can paint images on device pixel positions.&lt;/title&gt;
+&lt;style&gt;
+ div {
+  position: absolute;
+  background: yellow;
+}
+&lt;/style&gt;
+&lt;/head&gt;
+&lt;body&gt;
+&lt;p id=&quot;container&quot;&gt;&lt;/p&gt;
+&lt;script&gt;
+  var container = document.getElementById(&quot;container&quot;);
+  adjustment = 0.1;
+  w = 50; h = 50;
+  for (i = 0; i &lt; 10; ++i) {
+    adjustment += 0.1;
+    for (j = 0; j &lt; 10; ++j) {
+      var e = document.createElement(&quot;div&quot;);
+      e.style.top = ((w + 1) * i + j * adjustment) + &quot;px&quot;;
+      e.style.left = ((w + 1) * j + i * adjustment) + &quot;px&quot;;
+      e.style.width = w + &quot;px&quot;;
+      e.style.height = h + &quot;px&quot;;
+      w += 0.1;
+      h += 0.1;
+      container.appendChild(e);
+    }
+  }
+&lt;/script&gt;&lt;/body&gt;
+&lt;/html&gt;
</ins><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="trunkLayoutTestsfastimageshidpiimagepositionondevicepixelshtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels.html (0 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels.html                                (rev 0)
+++ trunk/LayoutTests/fast/images/hidpi-image-position-on-device-pixels.html        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -0,0 +1,32 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt;
+&lt;title&gt;This tests that we can paint images on device pixel positions.&lt;/title&gt;
+&lt;style&gt;
+ img {
+  position: absolute;
+}
+&lt;/style&gt;
+&lt;/head&gt;
+&lt;body&gt;
+&lt;p id=&quot;container&quot;&gt;&lt;/p&gt;
+&lt;script&gt;
+  var container = document.getElementById(&quot;container&quot;);
+  adjustment = 0.1;
+  w = 50; h = 50;
+  for (i = 0; i &lt; 10; ++i) {
+    adjustment += 0.1;
+    for (j = 0; j &lt; 10; ++j) {
+      var e = document.createElement(&quot;img&quot;);
+      e.src = &quot;data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAADElEQVR42mP4%2F58BAAT%2FAf9jgNErAAAAAElFTkSuQmCC&quot;
+      e.style.top = ((w + 1) * i + j * adjustment) + &quot;px&quot;;
+      e.style.left = ((w + 1) * j + i * adjustment) + &quot;px&quot;;
+      e.style.width = w + &quot;px&quot;;
+      e.style.height = h + &quot;px&quot;;
+      w += 0.1;
+      h += 0.1;
+      container.appendChild(e);
+    }
+  }
+&lt;/script&gt;&lt;/body&gt;
+&lt;/html&gt;
</ins><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/ChangeLog        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -1,3 +1,34 @@
</span><ins>+2014-03-21  Zalan Bujtas  &lt;zalan@apple.com&gt;
+
+        Subpixel rendering: Make &lt;img&gt; positioning subpixel aware.
+        https://bugs.webkit.org/show_bug.cgi?id=130596
+
+        Reviewed by Simon Fraser.
+
+        Change &lt;img&gt; positioning from integral to device pixel. It enables us
+        to paint hairline borders around &lt;img&gt; properly.
+        This patch changes the behavior of broken image representation from constant 1 CSS px border
+        to a dynamic 1 device px.
+
+        Test: fast/images/hidpi-image-position-on-device-pixels.html
+
+        * WebCore.exp.in:
+        * platform/graphics/GraphicsContext.cpp:
+        (WebCore::GraphicsContext::drawImage):
+        * platform/graphics/GraphicsContext.h:
+        * platform/graphics/cairo/GraphicsContextCairo.cpp:
+        (WebCore::GraphicsContext::drawRect):
+        * platform/graphics/cg/GraphicsContextCG.cpp:
+        (WebCore::GraphicsContext::drawRect):
+        * platform/graphics/wince/GraphicsContextWinCE.cpp:
+        (WebCore::GraphicsContext::drawRect):
+        * rendering/RenderImage.cpp:
+        (WebCore::RenderImage::paintReplaced):
+        (WebCore::RenderImage::paintIntoRect):
+        * rendering/RenderImage.h:
+        * rendering/RenderLayer.cpp:
+        (WebCore::RenderLayer::drawPlatformResizerImage):
+
</ins><span class="cx"> 2014-03-21  Brent Fulgham  &lt;bfulgham@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Merge VTTScanner Code from Blink
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCoreexpin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.exp.in (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.exp.in        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/WebCore.exp.in        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -513,7 +513,7 @@
</span><span class="cx"> __ZN7WebCore15GraphicsContext8fillRectERKNS_9FloatRectE
</span><span class="cx"> __ZN7WebCore15GraphicsContext8fillRectERKNS_9FloatRectERKNS_5ColorENS_10ColorSpaceE
</span><span class="cx"> __ZN7WebCore15GraphicsContext9clearRectERKNS_9FloatRectE
</span><del>-__ZN7WebCore15GraphicsContext9drawImageEPNS_5ImageENS_10ColorSpaceERKNS_8IntPointENS_17CompositeOperatorENS_27ImageOrientationDescriptionE
</del><ins>+__ZN7WebCore15GraphicsContext9drawImageEPNS_5ImageENS_10ColorSpaceERKNS_10FloatPointENS_17CompositeOperatorENS_27ImageOrientationDescriptionE
</ins><span class="cx"> __ZN7WebCore15GraphicsContext9setShadowERKNS_9FloatSizeEfRKNS_5ColorENS_10ColorSpaceE
</span><span class="cx"> __ZN7WebCore15GraphicsContext9translateEff
</span><span class="cx"> __ZN7WebCore15GraphicsContextD1Ev
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsGraphicsContextcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/GraphicsContext.cpp (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/GraphicsContext.cpp        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/platform/graphics/GraphicsContext.cpp        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -555,23 +555,23 @@
</span><span class="cx">     fillRect(font.selectionRectForText(run, point, h, from, to), backgroundColor, colorSpace);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const IntPoint&amp; p, CompositeOperator op, ImageOrientationDescription description)
</del><ins>+void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatPoint&amp; p, CompositeOperator op, ImageOrientationDescription description)
</ins><span class="cx"> {
</span><span class="cx">     if (!image)
</span><span class="cx">         return;
</span><del>-    drawImage(image, styleColorSpace, FloatRect(IntRect(p, image-&gt;size())), FloatRect(FloatPoint(), FloatSize(image-&gt;size())), op, description);
</del><ins>+    drawImage(image, styleColorSpace, FloatRect(p, image-&gt;size()), FloatRect(FloatPoint(), image-&gt;size()), op, description);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const IntRect&amp; r, CompositeOperator op, ImageOrientationDescription description, bool useLowQualityScale)
</del><ins>+void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatRect&amp; r, CompositeOperator op, ImageOrientationDescription description, bool useLowQualityScale)
</ins><span class="cx"> {
</span><span class="cx">     if (!image)
</span><span class="cx">         return;
</span><del>-    drawImage(image, styleColorSpace, FloatRect(r), FloatRect(FloatPoint(), FloatSize(image-&gt;size())), op, description, useLowQualityScale);
</del><ins>+    drawImage(image, styleColorSpace, r, FloatRect(FloatPoint(), image-&gt;size()), op, description, useLowQualityScale);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const IntPoint&amp; dest, const IntRect&amp; srcRect, CompositeOperator op, ImageOrientationDescription description)
</del><ins>+void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatPoint&amp; dest, const IntRect&amp; srcRect, CompositeOperator op, ImageOrientationDescription description)
</ins><span class="cx"> {
</span><del>-    drawImage(image, styleColorSpace, FloatRect(IntRect(dest, srcRect.size())), FloatRect(srcRect), op, description);
</del><ins>+    drawImage(image, styleColorSpace, FloatRect(dest, srcRect.size()), FloatRect(srcRect), op, description);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatRect&amp; dest, const FloatRect&amp; src, CompositeOperator op, ImageOrientationDescription description, bool useLowQualityScale)
</span><span class="lines">@@ -579,13 +579,6 @@
</span><span class="cx">     drawImage(image, styleColorSpace, dest, src, op, BlendModeNormal, description, useLowQualityScale);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatRect&amp; dest)
-{
-    if (!image)
-        return;
-    drawImage(image, styleColorSpace, dest, FloatRect(IntRect(IntPoint(), image-&gt;size())));
-}
-
</del><span class="cx"> void GraphicsContext::drawImage(Image* image, ColorSpace styleColorSpace, const FloatRect&amp; dest, const FloatRect&amp; src, CompositeOperator op, BlendMode blendMode, ImageOrientationDescription description, bool useLowQualityScale)
</span><span class="cx"> {    if (paintingDisabled() || !image)
</span><span class="cx">         return;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsGraphicsContexth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/GraphicsContext.h (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/GraphicsContext.h        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/platform/graphics/GraphicsContext.h        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -271,7 +271,7 @@
</span><span class="cx">         // FIXME: ...except drawRect(), which fills properly but always strokes
</span><span class="cx">         // using a 1-pixel stroke inset from the rect borders (of the correct
</span><span class="cx">         // stroke color).
</span><del>-        void drawRect(const FloatRect&amp;);
</del><ins>+        void drawRect(const FloatRect&amp;, float borderThickness = 1);
</ins><span class="cx">         void drawLine(const FloatPoint&amp;, const FloatPoint&amp;);
</span><span class="cx"> 
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="lines">@@ -302,10 +302,9 @@
</span><span class="cx"> 
</span><span class="cx">         void strokeRect(const FloatRect&amp;, float lineWidth);
</span><span class="cx"> 
</span><del>-        void drawImage(Image*, ColorSpace styleColorSpace, const IntPoint&amp;, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription());
-        void drawImage(Image*, ColorSpace styleColorSpace, const IntRect&amp;, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription(), bool useLowQualityScale = false);
-        void drawImage(Image*, ColorSpace styleColorSpace, const IntPoint&amp; destPoint, const IntRect&amp; srcRect, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription());
-        void drawImage(Image*, ColorSpace styleColorSpace, const FloatRect&amp; destRect);
</del><ins>+        void drawImage(Image*, ColorSpace styleColorSpace, const FloatPoint&amp;, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription());
+        void drawImage(Image*, ColorSpace styleColorSpace, const FloatRect&amp;, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription(), bool useLowQualityScale = false);
+        void drawImage(Image*, ColorSpace styleColorSpace, const FloatPoint&amp; destPoint, const IntRect&amp; srcRect, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription());
</ins><span class="cx">         void drawImage(Image*, ColorSpace styleColorSpace, const FloatRect&amp; destRect, const FloatRect&amp; srcRect, CompositeOperator = CompositeSourceOver, ImageOrientationDescription = ImageOrientationDescription(), bool useLowQualityScale = false);
</span><span class="cx">         void drawImage(Image*, ColorSpace styleColorSpace, const FloatRect&amp; destRect, const FloatRect&amp; srcRect, CompositeOperator, BlendMode, ImageOrientationDescription = ImageOrientationDescription(), bool useLowQualityScale = false);
</span><span class="cx">         
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscairoGraphicsContextCairocpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/cairo/GraphicsContextCairo.cpp (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/cairo/GraphicsContextCairo.cpp        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/platform/graphics/cairo/GraphicsContextCairo.cpp        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -230,7 +230,7 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> // Draws a filled rectangle with a stroked border.
</span><del>-void GraphicsContext::drawRect(const FloatRect&amp; rect)
</del><ins>+void GraphicsContext::drawRect(const FloatRect&amp; rect, float)
</ins><span class="cx"> {
</span><span class="cx">     if (paintingDisabled())
</span><span class="cx">         return;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscgGraphicsContextCGcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/cg/GraphicsContextCG.cpp (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/cg/GraphicsContextCG.cpp        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/platform/graphics/cg/GraphicsContextCG.cpp        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -280,7 +280,7 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> // Draws a filled rectangle with a stroked border.
</span><del>-void GraphicsContext::drawRect(const FloatRect&amp; rect)
</del><ins>+void GraphicsContext::drawRect(const FloatRect&amp; rect, float borderThickness)
</ins><span class="cx"> {
</span><span class="cx">     // FIXME: this function does not handle patterns and gradients
</span><span class="cx">     // like drawPath does, it probably should.
</span><span class="lines">@@ -299,10 +299,10 @@
</span><span class="cx">         if (oldFillColor != strokeColor())
</span><span class="cx">             setCGFillColor(context, strokeColor(), strokeColorSpace());
</span><span class="cx">         CGRect rects[4] = {
</span><del>-            FloatRect(rect.x(), rect.y(), rect.width(), 1),
-            FloatRect(rect.x(), rect.maxY() - 1, rect.width(), 1),
-            FloatRect(rect.x(), rect.y() + 1, 1, rect.height() - 2),
-            FloatRect(rect.maxX() - 1, rect.y() + 1, 1, rect.height() - 2)
</del><ins>+            FloatRect(rect.x(), rect.y(), rect.width(), borderThickness),
+            FloatRect(rect.x(), rect.maxY() - borderThickness, rect.width(), borderThickness),
+            FloatRect(rect.x(), rect.y() + borderThickness, borderThickness, rect.height() - 2 * borderThickness),
+            FloatRect(rect.maxX() - borderThickness, rect.y() + borderThickness, borderThickness, rect.height() - 2 * borderThickness)
</ins><span class="cx">         };
</span><span class="cx">         CGContextFillRects(context, rects, 4);
</span><span class="cx">         if (oldFillColor != strokeColor())
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicswinceGraphicsContextWinCEcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/wince/GraphicsContextWinCE.cpp (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/wince/GraphicsContextWinCE.cpp        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/platform/graphics/wince/GraphicsContextWinCE.cpp        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -625,7 +625,7 @@
</span><span class="cx">     m_data-&gt;restore();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsContext::drawRect(const FloatRect&amp; rect)
</del><ins>+void GraphicsContext::drawRect(const FloatRect&amp; rect, float)
</ins><span class="cx"> {
</span><span class="cx">     if (!m_data-&gt;m_opacity || paintingDisabled() || rect.isEmpty())
</span><span class="cx">         return;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderImagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderImage.cpp (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderImage.cpp        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/rendering/RenderImage.cpp        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -390,6 +390,7 @@
</span><span class="cx">     LayoutUnit topPad = paddingTop();
</span><span class="cx"> 
</span><span class="cx">     GraphicsContext* context = paintInfo.context;
</span><ins>+    float deviceScaleFactor = document().deviceScaleFactor();
</ins><span class="cx"> 
</span><span class="cx">     Page* page = frame().page();
</span><span class="cx"> 
</span><span class="lines">@@ -401,13 +402,13 @@
</span><span class="cx">             page-&gt;addRelevantUnpaintedObject(this, visualOverflowRect());
</span><span class="cx"> 
</span><span class="cx">         if (cWidth &gt; 2 &amp;&amp; cHeight &gt; 2) {
</span><del>-            const int borderWidth = 1;
</del><ins>+            LayoutUnit borderWidth = LayoutUnit(1 / deviceScaleFactor);
</ins><span class="cx"> 
</span><span class="cx">             // Draw an outline rect where the image should be.
</span><span class="cx">             context-&gt;setStrokeStyle(SolidStroke);
</span><span class="cx">             context-&gt;setStrokeColor(Color::lightGray, style().colorSpace());
</span><span class="cx">             context-&gt;setFillColor(Color::transparent, style().colorSpace());
</span><del>-            context-&gt;drawRect(pixelSnappedIntRect(LayoutRect(paintOffset.x() + leftBorder + leftPad, paintOffset.y() + topBorder + topPad, cWidth, cHeight)));
</del><ins>+            context-&gt;drawRect(pixelSnappedForPainting(LayoutRect(paintOffset.x() + leftBorder + leftPad, paintOffset.y() + topBorder + topPad, cWidth, cHeight), deviceScaleFactor), borderWidth);
</ins><span class="cx"> 
</span><span class="cx">             bool errorPictureDrawn = false;
</span><span class="cx">             LayoutSize imageOffset;
</span><span class="lines">@@ -437,7 +438,7 @@
</span><span class="cx"> #if ENABLE(CSS_IMAGE_ORIENTATION)
</span><span class="cx">                 orientationDescription.setImageOrientationEnum(style().imageOrientation());
</span><span class="cx"> #endif
</span><del>-                context-&gt;drawImage(image.get(), style().colorSpace(), pixelSnappedIntRect(LayoutRect(paintOffset + imageOffset, imageSize)), CompositeSourceOver, orientationDescription);
</del><ins>+                context-&gt;drawImage(image.get(), style().colorSpace(), pixelSnappedForPainting(LayoutRect(paintOffset + imageOffset, imageSize), deviceScaleFactor), CompositeSourceOver, orientationDescription);
</ins><span class="cx">                 errorPictureDrawn = true;
</span><span class="cx">             }
</span><span class="cx"> 
</span><span class="lines">@@ -478,7 +479,7 @@
</span><span class="cx">         if (clip)
</span><span class="cx">             context-&gt;clip(contentRect);
</span><span class="cx"> 
</span><del>-        paintIntoRect(context, paintRect);
</del><ins>+        paintIntoRect(context, pixelSnappedForPainting(paintRect, deviceScaleFactor));
</ins><span class="cx">         
</span><span class="cx">         if (cachedImage() &amp;&amp; page &amp;&amp; paintInfo.phase == PaintPhaseForeground) {
</span><span class="cx">             // For now, count images as unpainted if they are still progressively loading. We may want 
</span><span class="lines">@@ -549,25 +550,24 @@
</span><span class="cx">     repaint();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void RenderImage::paintIntoRect(GraphicsContext* context, const LayoutRect&amp; rect)
</del><ins>+void RenderImage::paintIntoRect(GraphicsContext* context, const FloatRect&amp; rect)
</ins><span class="cx"> {
</span><del>-    IntRect alignedRect = pixelSnappedIntRect(rect);
-    if (!imageResource().hasImage() || imageResource().errorOccurred() || alignedRect.width() &lt;= 0 || alignedRect.height() &lt;= 0)
</del><ins>+    if (!imageResource().hasImage() || imageResource().errorOccurred() || rect.width() &lt;= 0 || rect.height() &lt;= 0)
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    RefPtr&lt;Image&gt; img = imageResource().image(alignedRect.width(), alignedRect.height());
</del><ins>+    RefPtr&lt;Image&gt; img = imageResource().image(rect.width(), rect.height());
</ins><span class="cx">     if (!img || img-&gt;isNull())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     HTMLImageElement* imageElt = (element() &amp;&amp; isHTMLImageElement(element())) ? toHTMLImageElement(element()) : 0;
</span><span class="cx">     CompositeOperator compositeOperator = imageElt ? imageElt-&gt;compositeOperator() : CompositeSourceOver;
</span><span class="cx">     Image* image = imageResource().image().get();
</span><del>-    bool useLowQualityScaling = shouldPaintAtLowQuality(context, image, image, alignedRect.size());
</del><ins>+    bool useLowQualityScaling = shouldPaintAtLowQuality(context, image, image, LayoutSize(rect.size()));
</ins><span class="cx">     ImageOrientationDescription orientationDescription(shouldRespectImageOrientation());
</span><span class="cx"> #if ENABLE(CSS_IMAGE_ORIENTATION)
</span><span class="cx">     orientationDescription.setImageOrientationEnum(style().imageOrientation());
</span><span class="cx"> #endif
</span><del>-    context-&gt;drawImage(imageResource().image(alignedRect.width(), alignedRect.height()).get(), style().colorSpace(), alignedRect, compositeOperator, orientationDescription, useLowQualityScaling);
</del><ins>+    context-&gt;drawImage(imageResource().image(rect.width(), rect.height()).get(), style().colorSpace(), rect, compositeOperator, orientationDescription, useLowQualityScaling);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool RenderImage::boxShadowShouldBeAppliedToBackground(BackgroundBleedAvoidance bleedAvoidance, InlineFlowBox*) const
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderImageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderImage.h (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderImage.h        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/rendering/RenderImage.h        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -76,7 +76,7 @@
</span><span class="cx"> 
</span><span class="cx">     virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override;
</span><span class="cx"> 
</span><del>-    void paintIntoRect(GraphicsContext*, const LayoutRect&amp;);
</del><ins>+    void paintIntoRect(GraphicsContext*, const FloatRect&amp;);
</ins><span class="cx">     virtual void paint(PaintInfo&amp;, const LayoutPoint&amp;) override final;
</span><span class="cx">     virtual void layout() override;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayer.cpp (166099 => 166100)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayer.cpp        2014-03-21 21:53:25 UTC (rev 166099)
+++ trunk/Source/WebCore/rendering/RenderLayer.cpp        2014-03-21 22:09:05 UTC (rev 166100)
</span><span class="lines">@@ -3482,12 +3482,12 @@
</span><span class="cx">         context-&gt;save();
</span><span class="cx">         context-&gt;translate(resizerCornerRect.x() + cornerResizerSize.width(), resizerCornerRect.y() + resizerCornerRect.height() - cornerResizerSize.height());
</span><span class="cx">         context-&gt;scale(FloatSize(-1.0, 1.0));
</span><del>-        context-&gt;drawImage(resizeCornerImage.get(), renderer().style().colorSpace(), IntRect(IntPoint(), cornerResizerSize));
</del><ins>+        context-&gt;drawImage(resizeCornerImage.get(), renderer().style().colorSpace(), FloatRect(FloatPoint(), cornerResizerSize));
</ins><span class="cx">         context-&gt;restore();
</span><span class="cx">         return;
</span><span class="cx">     }
</span><del>-    LayoutRect imageRect(resizerCornerRect.maxXMaxYCorner() - cornerResizerSize, cornerResizerSize);
-    context-&gt;drawImage(resizeCornerImage.get(), renderer().style().colorSpace(), pixelSnappedIntRect(imageRect));
</del><ins>+    FloatRect imageRect = pixelSnappedForPainting(LayoutRect(resizerCornerRect.maxXMaxYCorner() - cornerResizerSize, cornerResizerSize), renderer().document().deviceScaleFactor());
+    context-&gt;drawImage(resizeCornerImage.get(), renderer().style().colorSpace(), imageRect);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void RenderLayer::paintResizer(GraphicsContext* context, const LayoutPoint&amp; paintOffset, const LayoutRect&amp; damageRect)
</span></span></pre>
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