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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/178267">178267</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2015-01-12 08:47:11 -0800 (Mon, 12 Jan 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/176432">r176432</a> - REGRESSION (174986): CSS clip property is ignored when border-radius is present.
https://bugs.webkit.org/show_bug.cgi?id=138935
rdar://problem/18965984
Reviewed by Simon Fraser.
Revert back to <a href="http://trac.webkit.org/projects/webkit/changeset/163382">r163382</a> and fix bug 127729 properly. Save the graphics context when paint and clip rects are
the same, but the clip rect has radius.
Each iteration on ::clipRect() from <a href="http://trac.webkit.org/projects/webkit/changeset/163382">r163382</a> onwards just introduced yet another regression.
Source/WebCore:
Test: fast/clip/css-clip-does-not-work-when-border-radius-is-present.html
* rendering/RenderLayer.cpp:
(WebCore::RenderLayer::clipToRect):
LayoutTests:
* fast/clip/css-clip-does-not-work-when-border-radius-is-present-expected.html: Added.
* fast/clip/css-clip-does-not-work-when-border-radius-is-present.html: Added.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit26LayoutTestsChangeLog">releases/WebKitGTK/webkit-2.6/LayoutTests/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit26SourceWebCoreChangeLog">releases/WebKitGTK/webkit-2.6/Source/WebCore/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit26SourceWebCorerenderingRenderLayercpp">releases/WebKitGTK/webkit-2.6/Source/WebCore/rendering/RenderLayer.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit26LayoutTestsfastclipcssclipdoesnotworkwhenborderradiusispresentexpectedhtml">releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present-expected.html</a></li>
<li><a href="#releasesWebKitGTKwebkit26LayoutTestsfastclipcssclipdoesnotworkwhenborderradiusispresenthtml">releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit26LayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.6/LayoutTests/ChangeLog (178266 => 178267)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.6/LayoutTests/ChangeLog 2015-01-12 16:29:22 UTC (rev 178266)
+++ releases/WebKitGTK/webkit-2.6/LayoutTests/ChangeLog 2015-01-12 16:47:11 UTC (rev 178267)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2014-11-20 Zalan Bujtas <zalan@apple.com>
+
+ REGRESSION (174986): CSS clip property is ignored when border-radius is present.
+ https://bugs.webkit.org/show_bug.cgi?id=138935
+ rdar://problem/18965984
+
+ Reviewed by Simon Fraser.
+
+ Revert back to r163382 and fix bug 127729 properly. Save the graphics context when paint and clip rects are
+ the same, but the clip rect has radius.
+ Each iteration on ::clipRect() from r163382 onwards just introduced yet another regression.
+
+ * fast/clip/css-clip-does-not-work-when-border-radius-is-present-expected.html: Added.
+ * fast/clip/css-clip-does-not-work-when-border-radius-is-present.html: Added.
+
</ins><span class="cx"> 2014-11-20 Mark Lam <mark.lam@apple.com>
</span><span class="cx">
</span><span class="cx"> WTFCrashWithSecurityImplication under SpeculativeJIT::compile() when loading a page from theblaze.com.
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit26LayoutTestsfastclipcssclipdoesnotworkwhenborderradiusispresentexpectedhtml"></a>
<div class="addfile"><h4>Added: releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present-expected.html (0 => 178267)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present-expected.html (rev 0)
+++ releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present-expected.html 2015-01-12 16:47:11 UTC (rev 178267)
</span><span class="lines">@@ -0,0 +1,17 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests that both border-radius and clip get applied on the box.</title>
+<style>
+ .container {
+ position: absolute;
+ width: 10px;
+ height: 10px;
+ background: green;
+ }
+</style>
+</head>
+<body>
+ <div class="container"></div>
+</body>
+</html>
</ins></span></pre></div>
<a id="releasesWebKitGTKwebkit26LayoutTestsfastclipcssclipdoesnotworkwhenborderradiusispresenthtml"></a>
<div class="addfile"><h4>Added: releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present.html (0 => 178267)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present.html (rev 0)
+++ releases/WebKitGTK/webkit-2.6/LayoutTests/fast/clip/css-clip-does-not-work-when-border-radius-is-present.html 2015-01-12 16:47:11 UTC (rev 178267)
</span><span class="lines">@@ -0,0 +1,19 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests that both border-radius and clip get applied on the box.</title>
+<style>
+ .container {
+ position: absolute;
+ width: 100px;
+ height: 100px;
+ background: green;
+ border-radius: 0px 0px 1px 0px;
+ clip: rect(0px, 10px, 10px, 0px);
+ }
+</style>
+</head>
+<body>
+ <div class="container"></div>
+</body>
+</html>
</ins></span></pre></div>
<a id="releasesWebKitGTKwebkit26SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.6/Source/WebCore/ChangeLog (178266 => 178267)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.6/Source/WebCore/ChangeLog 2015-01-12 16:29:22 UTC (rev 178266)
+++ releases/WebKitGTK/webkit-2.6/Source/WebCore/ChangeLog 2015-01-12 16:47:11 UTC (rev 178267)
</span><span class="lines">@@ -1,3 +1,20 @@
</span><ins>+2014-11-20 Zalan Bujtas <zalan@apple.com>
+
+ REGRESSION (174986): CSS clip property is ignored when border-radius is present.
+ https://bugs.webkit.org/show_bug.cgi?id=138935
+ rdar://problem/18965984
+
+ Reviewed by Simon Fraser.
+
+ Revert back to r163382 and fix bug 127729 properly. Save the graphics context when paint and clip rects are
+ the same, but the clip rect has radius.
+ Each iteration on ::clipRect() from r163382 onwards just introduced yet another regression.
+
+ Test: fast/clip/css-clip-does-not-work-when-border-radius-is-present.html
+
+ * rendering/RenderLayer.cpp:
+ (WebCore::RenderLayer::clipToRect):
+
</ins><span class="cx"> 2014-11-20 Antti Koivisto <antti@apple.com>
</span><span class="cx">
</span><span class="cx"> REGRESSION (r172854): Web Viewer in FileMaker does not render a Base64 encoded animated-GIF
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit26SourceWebCorerenderingRenderLayercpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.6/Source/WebCore/rendering/RenderLayer.cpp (178266 => 178267)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.6/Source/WebCore/rendering/RenderLayer.cpp 2015-01-12 16:29:22 UTC (rev 178266)
+++ releases/WebKitGTK/webkit-2.6/Source/WebCore/rendering/RenderLayer.cpp 2015-01-12 16:47:11 UTC (rev 178267)
</span><span class="lines">@@ -3674,13 +3674,13 @@
</span><span class="cx">
</span><span class="cx"> void RenderLayer::clipToRect(const LayerPaintingInfo& paintingInfo, GraphicsContext* context, const ClipRect& clipRect, BorderRadiusClippingRule rule)
</span><span class="cx"> {
</span><ins>+ float deviceScaleFactor = renderer().document().deviceScaleFactor();
+
</ins><span class="cx"> bool needsClipping = clipRect.rect() != paintingInfo.paintDirtyRect;
</span><span class="cx"> if (needsClipping || clipRect.affectedByRadius())
</span><span class="cx"> context->save();
</span><span class="cx">
</span><del>- float deviceScaleFactor = renderer().document().deviceScaleFactor();
- bool layerHasBorderRadius = renderer().style().hasBorderRadius();
- if (needsClipping && !layerHasBorderRadius) {
</del><ins>+ if (needsClipping) {
</ins><span class="cx"> LayoutRect adjustedClipRect = clipRect.rect();
</span><span class="cx"> adjustedClipRect.move(paintingInfo.subpixelAccumulation);
</span><span class="cx"> context->clip(snapRectToDevicePixels(adjustedClipRect, deviceScaleFactor));
</span></span></pre>
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