[Bug 11399] The ability to lock individual channels (i.e. prevent them from being updated by drawing functions) would allow for some interesting composition tricks, such as drawing directly to the alpha channel.

https://www.w3.org/Bugs/Public/show_bug.cgi?id=11399

Ian 'Hixie' Hickson <ian@hixie.ch> changed:

           What    |Removed                     |Added
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          Component|LC1 HTML Canvas 2D Context  |HTML
            Product|HTML WG                     |WHATWG

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Received on Tuesday, 25 September 2012 04:54:46 UTC