- From: <bugzilla@jessica.w3.org>
- Date: Thu, 01 Dec 2011 05:23:54 +0000
- To: public-html-bugzilla@w3.org
http://www.w3.org/Bugs/Public/show_bug.cgi?id=15026
Summary: Need a mechanism to draw elliptical arcs. Once
available this can be extended to draw an ellipse. 1.
Current methods of drawing them with beziers/quadratic
curves do not work well and are approximations. 2.
Using arcto/arc followed by scaling distorts the
Product: HTML WG
Version: unspecified
Platform: Other
URL: http://www.whatwg.org/specs/web-apps/current-work/#top
OS/Version: other
Status: NEW
Severity: normal
Priority: P3
Component: HTML Canvas 2D Context (editor: Ian Hickson)
AssignedTo: ian@hixie.ch
ReportedBy: contributor@whatwg.org
QAContact: public-html-bugzilla@w3.org
CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
public-html@w3.org
Specification: http://www.w3.org/TR/2dcontext/
Multipage: http://www.whatwg.org/C#top
Complete: http://www.whatwg.org/c#top
Comment:
Need a mechanism to draw elliptical arcs. Once available this can be extended
to draw an ellipse.
1. Current methods of drawing them with beziers/quadratic curves do not work
well and are approximations.
2. Using arcto/arc followed by scaling distorts the strokestyle
3. Generating elliptical arcs by approximating lines, etc are tedious to
implement and error prone
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Received on Thursday, 1 December 2011 05:24:00 UTC