[Webkit-unassigned] [Bug 16604] <canvas> lacks transform() and setTransform()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=16604





------- Comment #7 from krit at webkit.org  2008-11-25 11:00 PDT -------
(In reply to comment #6)
> Created an attachment (id=25462)
 --> (https://bugs.webkit.org/attachment.cgi?id=25462&action=view) [review]
> add setTransform() support (2)
> 
> updated the patch. Avoids not-invertable CTM.

It's probably enough to check for a not-invertable CTM on the following
'drawing' and 'transformation' methods:

scale, rotate, translate, transform, setTransform, beginPath, closePath,
moveTo, lineTo, quadraticCurveTo, bezierCurveTo, arcTo, arc, rect, fill,
stroke, clip, clipRect, fillRect, strokeRect, drawImage, drawImageFromRect,
willDraw, drawTextInternal


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