Closed
Bug 916515
Opened 11 years ago
Closed 11 years ago
Noise in SVG by feGaussianBlur with small value for stdDeviation
Categories
(Core :: SVG, defect)
Core
SVG
Tracking
()
RESOLVED
FIXED
mozilla29
People
(Reporter: staatsschreiber, Assigned: roc)
References
Details
(Keywords: regression, testcase)
Attachments
(2 files)
Bad rendering in 30.0a1
User Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:23.0) Gecko/20100101 Firefox/23.0 (Beta/Release)
Build ID: 20130803193343
Steps to reproduce:
I applied feGaussianBlur with stdDeviation="0.01" on a white text in SVG.
Actual results:
The text is shown with bluish noise around it.
Expected results:
Blur filter should keep white text white.
Attachment #804972 -
Attachment mime type: text/plain → text/html
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Comment 1•11 years ago
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Confirmed with Mozilla/5.0 (Windows NT 6.1; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0 ID:20130915030208 CSet: 9366ee039645
Works if I set svg.display-lists.painting.enabled;false
Blocks: 614732
Status: UNCONFIRMED → NEW
Ever confirmed: true
Keywords: regression,
testcase
OS: Linux → All
Hardware: x86 → All
Version: 23 Branch → Trunk
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Comment 2•11 years ago
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Fixed by check ins for bug 812795
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Updated•11 years ago
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Assignee: nobody → roc
Target Milestone: --- → mozilla29
This has broken again, I can still see the sub-pixel AA in a current Nightly build.
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Comment 4•11 years ago
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What's broken? That screenshot looks correct, there's nothing showing in the square to the left.
It's very faint but there is, if you zoom in with an image editor/viewer you'll see it.
My monitor is rather old so it stood out for me fairly easily.
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Comment 6•11 years ago
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I see that in your screenshot but fail to repro locally.
Might want to file a new report with your specs etc..
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Description
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