Title: [225379] trunk
- Revision
- 225379
- Author
- za...@apple.com
- Date
- 2017-11-30 18:54:29 -0800 (Thu, 30 Nov 2017)
Log Message
Source/WebCore:
[Simple line layout] Incorrect repaint rect with vertically shrinking content and bottom-padding.
https://bugs.webkit.org/show_bug.cgi?id=180223
<rdar://problem/34122210>
Reviewed by Simon Fraser.
Repaint rect should be extended all the way to bottom border/padding.
Test: fast/repaint/simple-line-layout-shrinking-content.html
* rendering/RenderBlockFlow.cpp:
(WebCore::RenderBlockFlow::layoutSimpleLines):
LayoutTests:
[Simple line layout] Incorrect repaint rect with vertically shrinking content.
https://bugs.webkit.org/show_bug.cgi?id=180223
<rdar://problem/34122210>
Reviewed by Simon Fraser.
* fast/repaint/simple-line-layout-shrinking-content-expected.txt: Added.
* fast/repaint/simple-line-layout-shrinking-content.html: Added.
Modified Paths
Added Paths
Diff
Modified: trunk/LayoutTests/ChangeLog (225378 => 225379)
--- trunk/LayoutTests/ChangeLog 2017-12-01 02:41:10 UTC (rev 225378)
+++ trunk/LayoutTests/ChangeLog 2017-12-01 02:54:29 UTC (rev 225379)
@@ -1,3 +1,14 @@
+2017-11-30 Zalan Bujtas <za...@apple.com>
+
+ [Simple line layout] Incorrect repaint rect with vertically shrinking content.
+ https://bugs.webkit.org/show_bug.cgi?id=180223
+ <rdar://problem/34122210>
+
+ Reviewed by Simon Fraser.
+
+ * fast/repaint/simple-line-layout-shrinking-content-expected.txt: Added.
+ * fast/repaint/simple-line-layout-shrinking-content.html: Added.
+
2017-11-30 Simon Fraser <simon.fra...@apple.com>
Improve filter logging
Added: trunk/LayoutTests/fast/repaint/simple-line-layout-shrinking-content-expected.txt (0 => 225379)
--- trunk/LayoutTests/fast/repaint/simple-line-layout-shrinking-content-expected.txt (rev 0)
+++ trunk/LayoutTests/fast/repaint/simple-line-layout-shrinking-content-expected.txt 2017-12-01 02:54:29 UTC (rev 225379)
@@ -0,0 +1,9 @@
+foo
+(repaint rects
+ (rect 8 40 784 20)
+ (rect 8 39 784 1)
+ (rect 8 9 784 31)
+ (rect 8 40 784 20)
+ (rect 0 48 800 20)
+)
+
Added: trunk/LayoutTests/fast/repaint/simple-line-layout-shrinking-content.html (0 => 225379)
--- trunk/LayoutTests/fast/repaint/simple-line-layout-shrinking-content.html (rev 0)
+++ trunk/LayoutTests/fast/repaint/simple-line-layout-shrinking-content.html 2017-12-01 02:54:29 UTC (rev 225379)
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style>
+div {
+ white-space: pre-line;
+ padding-bottom: 10px;
+ font-size: 20px;
+ font-family: ahem;
+ border: 1px solid blue;
+}
+</style>
+<script>
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.waitUntilDone();
+}
+</script>
+</head>
+<body>
+<div id="text">foo
+bar</div>
+<script>
+document.body.offsetWidth;
+setTimeout(function() {
+ if (window.internals)
+ internals.startTrackingRepaints();
+ document.getElementById('text').innerHTML = "foo";
+ if (window.internals) {
+ let repaintRects = internals.repaintRectsAsText();
+ internals.stopTrackingRepaints();
+
+ let pre = document.createElement('pre');
+ document.body.appendChild(pre);
+ pre.innerHTML = repaintRects;
+ testRunner.notifyDone();
+ }
+}, 10);
+</script>
+</body>
+</html>
Modified: trunk/Source/WebCore/ChangeLog (225378 => 225379)
--- trunk/Source/WebCore/ChangeLog 2017-12-01 02:41:10 UTC (rev 225378)
+++ trunk/Source/WebCore/ChangeLog 2017-12-01 02:54:29 UTC (rev 225379)
@@ -1,3 +1,18 @@
+2017-11-30 Zalan Bujtas <za...@apple.com>
+
+ [Simple line layout] Incorrect repaint rect with vertically shrinking content and bottom-padding.
+ https://bugs.webkit.org/show_bug.cgi?id=180223
+ <rdar://problem/34122210>
+
+ Reviewed by Simon Fraser.
+
+ Repaint rect should be extended all the way to bottom border/padding.
+
+ Test: fast/repaint/simple-line-layout-shrinking-content.html
+
+ * rendering/RenderBlockFlow.cpp:
+ (WebCore::RenderBlockFlow::layoutSimpleLines):
+
2017-11-30 Stephan Szabo <stephan.sz...@sony.com>
Make LegacyCustomProtocolManager optional for network process
Modified: trunk/Source/WebCore/rendering/RenderBlockFlow.cpp (225378 => 225379)
--- trunk/Source/WebCore/rendering/RenderBlockFlow.cpp 2017-12-01 02:41:10 UTC (rev 225378)
+++ trunk/Source/WebCore/rendering/RenderBlockFlow.cpp 2017-12-01 02:54:29 UTC (rev 225379)
@@ -3594,7 +3594,7 @@
LayoutUnit lineLayoutHeight = SimpleLineLayout::computeFlowHeight(*this, *m_simpleLineLayout);
LayoutUnit lineLayoutTop = borderAndPaddingBefore();
repaintLogicalTop = lineLayoutTop;
- repaintLogicalBottom = needsLayout ? repaintLogicalTop + lineLayoutHeight : repaintLogicalTop;
+ repaintLogicalBottom = needsLayout ? repaintLogicalTop + lineLayoutHeight + borderAndPaddingAfter() : repaintLogicalTop;
setLogicalHeight(lineLayoutTop + lineLayoutHeight + borderAndPaddingAfter());
}
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