[Webkit-unassigned] [Bug 21502] New: CSS Masks use PNG Alpha, which is sub-optimal
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Oct 9 06:42:46 PDT 2008
https://bugs.webkit.org/show_bug.cgi?id=21502
Summary: CSS Masks use PNG Alpha, which is sub-optimal
Product: WebKit
Version: 525.x (Safari 3.1)
Platform: PC
OS/Version: Windows Vista
Status: UNCONFIRMED
Severity: Enhancement
Priority: P5
Component: CSS
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: mail at matthewwilcox.com
Reporting here as that's what the page at http://webkit.org/blog/181/css-masks/
asks us to do.
CSS Masks appear to use Alpha channels to operate, which means we must use
PNGs? PNGs with full alpha channels are 24bit, which makes the file size huge.
Why can't Webkit map grey-scale to opacity so we can use JPGs or GIFs instead?
white = transparent, black = opaque. This is what most 3D applications use to
describe transparency.
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