[Webkit-unassigned] [Bug 41420] Canvas: arc() with startAngle == endAngle shouldn't add to the path

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=41420


Andreas Kling <andreas.kling at nokia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #60131|0                           |1
        is obsolete|                            |
  Attachment #60139|                            |review?, commit-queue?
               Flag|                            |




--- Comment #3 from Andreas Kling <andreas.kling at nokia.com>  2010-06-30 11:50:52 PST ---
Created an attachment (id=60139)
 --> (https://bugs.webkit.org/attachment.cgi?id=60139)
Proposed patch v2

Only unskip test on Qt, test also uses arcTo() which isn't up-to-spec on Mac I guess.
Unfortunately I can't verify that since I don't have a Mac dev env handy.

The missing logic as implemented in Qt's Path::addArcTo():

FloatPoint p0(m_path.currentPosition());
if ((p1.x() == p0.x() && p1.y() == p0.y()) || (p1.x() == p2.x() && p1.y() == p2.y()) || radius == 0.f) {
    m_path.lineTo(p1);
    return;
}

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