[webkit-reviews] review requested: [Bug 21883] [CAIRO] globalAlpha has to be stored and restored : [Attachment 24673] save/restore globalAlpha

[bugzilla-daemon at webkit.org]

Dirk Schulze <vbs85 at gmx.de> has asked  for review:
Bug 21883: [CAIRO] globalAlpha has to be stored and restored
https://bugs.webkit.org/show_bug.cgi?id=21883

Attachment 24673: save/restore globalAlpha
https://bugs.webkit.org/attachment.cgi?id=24673&action=edit

------- Additional Comments from Dirk Schulze <vbs85 at gmx.de>
I added a stack (vector) to GraphicsContext to save and restore globalAlpha
values on calling ctx.save() or ctx.restore().