Open
Bug 527000
Opened 16 years ago
Updated 3 years ago
Aliasing is bugged on rounded corners with thick borders
Categories
(Core :: Web Painting, defect)
Core
Web Painting
Tracking
()
NEW
People
(Reporter: j_lozinski, Unassigned)
Details
(Whiteboard: [testday-20120713])
Attachments
(3 files)
screenshot with Firefox Nightly 2012-07-12
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2b1) Gecko/20091029 Firefox/3.6b1
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2b1) Gecko/20091029 Firefox/3.6b1
when rounded buttons (css) use thicker borders i.e. 10px, there are differences between the background and border render which make the bg colors visible.
there is a rogue black bit outside the rounded edge. This appears to be because the border is being drawn with a different rounding than the div.
Reproducible: Always
Steps to Reproduce:
1.load following html
<html>
<head>
<style type="text/css">
button {
background-color: black;
border: 10px solid white;
color: white;
font-family: sans-serif;
font-size: 20pt;
font-weight: bold;
padding: 2em;
-moz-border-radius: 30px;
}
</style>
</head>
<body>
<button>One</button>
</body>
</html>
Actual Results:
there is a rogue black bit outside the rounded edge. This appears to be because the border is being drawn with a different rounding than the button.
Expected Results:
the border should totally cover the background
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Comment 1•16 years ago
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Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.3a1pre) Gecko/20091106 Minefield/3.7a1pre
I can indeed reproduce this, but it is not something new. I don't see it with Firefox 2, though. And latest Minefield looks worse than 3.0.
Component: General → Layout: View Rendering
Keywords: qawanted
OS: Linux → All
Product: Firefox → Core
QA Contact: general → layout.view-rendering
Hardware: x86 → All
Version: unspecified → Trunk
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Comment 2•13 years ago
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Comment 3•13 years ago
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Comment 4•13 years ago
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I can reproduce this with attachment 641794 [details] with
Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/16.0 Firefox/16.0 SeaMonkey/2.13a1 20120713003005
Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/16.0 Firefox/16.0 2012-07-12
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Updated•13 years ago
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Whiteboard: [testday-20120713]
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Comment 5•13 years ago
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I can reproduce this with attachment 641794 [details] as well.
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:13.0) Gecko/20100101 Firefox/13.0.1
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Assignee | |
Updated•7 years ago
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Component: Layout: View Rendering → Layout: Web Painting
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Updated•3 years ago
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Severity: normal → S3
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Description
•