Is this not working as a matter of principle, or is there something that could be done in the Renderer?
I'm using vade's TransparentBorderlessQCRenderer (by the way: thanks, vade!).
In the composition it adds but then overlays to black when rendering to the screen.I'd like to use the add blend mode for a Particle System.
I'm assuming you're wanting the composition to additively blend the desktop image? Unfortunately, that's not possible (well, it is, but the app would have to read the desktop as an image, and then additively blend with it, and that's a lot of work). The best you can do with the app vade provided is render a transparent image, and overlay it on the desktop.
If you're getting a black background, try making sure any clear patches in the composition are set to clear transparently (instead of opaque black), and perhaps disable background erasing (cmd-k when the viewer is open -- this is stored per-composition). Background erasing has had no effect in my testing (the output is the same either way), but maybe I overlooked something there.
If those don't address the problem, please include screen shots and a more verbose description of what you're trying to accomplish, and what's actually happening.
-- [ christopher wright ] [email protected] http://kineme.net/
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