[Webkit-unassigned] [Bug 23526] clipToImageBuffer() for all platforms

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jun 23 23:26:39 PDT 2010


Dirk Schulze <krit at webkit.org> changed:

           What    |Removed                     |Added
                 CC|                            |hyatt at apple.com

--- Comment #13 from Dirk Schulze <krit at webkit.org>  2010-06-23 23:26:39 PST ---
(In reply to comment #12)
> There are 3 render elements involved:
> 1. The rendered text
> 2. The text mask
> 3. The image mask
> The paint effect should be: the rendered text is displayed only under the image mask and only under the text mask. What is under the text mask and not under the image mask must be "clear" (as you can see with Safari, the background for the stripes is white, not red).
> I don't know how to achieve the "clear" effect without using composite operators.

Thats a bit silly. I don't have Safari here, so I can't test it on my own. But if I apply a clip mask to an object, it should mask the object with all it's content, including the background. Why should the background get removed? Or if we see the object without it's background, the background in your example should be solid red and and the text would be "filled" with a red-green-red gradient.

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