[webkit-reviews] review requested: [Bug 16171] [CAIRO] Canvas does not support globalAlpha : [Attachment 23090] Canvas globalAlpha

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Aug 31 12:52:08 PDT 2008

Dirk Schulze <vbs85 at gmx.de> has asked  for review:
Bug 16171: [CAIRO] Canvas does not support globalAlpha

Attachment 23090: Canvas globalAlpha

------- Additional Comments from Dirk Schulze <vbs85 at gmx.de>
The same patch as before, but replaced cairo_mask with cairo_paint_with_alpha.
Makes it 50% faster for strokes. 
I haven't chosen a common globalAlpha because of speed. The speed between the
drawings can differ up to 300%.
I choose the fastest way for every drawing operation. (fill/stroke with/without

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