- From: <bugzilla@jessica.w3.org>
- Date: Sat, 27 Nov 2010 10:06:16 +0000
- To: www-svg@w3.org
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11417
Summary: define pixel interpolation when scaling
Product: SVG
Version: SVG 1.2 Tiny
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Rendering Model
AssignedTo: schepers@w3.org
ReportedBy: j.chetwynd@btinternet.com
QAContact: www-svg@w3.org
when pixels are defined, and the display is rendered at an alternative scale,
it is vital that interpolation is accurate.
in the attached example, which is simple to understand but not a reduced
testcase,
a gradient matrix is interpolated using lerp, pixel by pixel, across a defined
width and height.
in this instance for simlicity, the root is deliberately set as a percentage,
however zooming would also have a similar effect.
currently all though there is variation, Opera, Mozilla and Webkit nightlies
all display significant artefacts.
interpolation does take processing, and it may be that authors will need to
consider this, none the less the browser should not introduce artefacts.
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Received on Saturday, 27 November 2010 10:06:21 UTC