Bug 140349

Summary: REGRESSION (r166784): horizontal line happened on picture of web page
Product: WebKit Reporter: Hunseop Jeong <hs85.jeong>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED WORKSFORME    
Severity: Normal CC: gyuyoung.kim, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
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Problem Image none

Description Hunseop Jeong 2015-01-12 01:02:38 PST 
Created attachment 244434 [details]
Problem Image

After r166784 <http://trac.webkit.org/r166784>, horizontal line happened on picture of web page(http://www.cnet.com/products/samsung-pn51e550/).

At first look is OK but zooming the page and then problem was watched.
I attached a screenshot of the problematic behavior.
I checked this problem EFL port and it also occurred mac port.
Comment 1 Hunseop Jeong 2015-01-12 02:15:36 PST 
I removed the pixelSnapBackgroundImageGeometryForPainting() in RenderBoxModelObject::calculateBackgroundImageGeometry() 1252.
horizontal line disappear.
Comment 2 Radar WebKit Bug Importer 2015-01-12 09:03:56 PST 
<rdar://problem/19443503>
Comment 3 zalan 2015-04-28 15:42:22 PDT 
Can't reproduce it anymore.