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Re: Quartz Composer/Core Video broken for me in Leopard



Thanks for the clarification. It appears as though there is a bug then. I have filed a bug report that highlights this issue.

Cheers,
-C

On 08/11/2007, at 3:31 AM, Pierre-Olivier Latour wrote:

"replace" means "blit the image pixels as is", no matter what the alpha value: if a pixel is RGBA=(1,1,1,0), it is written as is in the frame buffer

On Nov 6, 2007, at 6:59 PM, Christopher Hunt wrote:

Related to all of this, if I specify a blend mode of "Replace" for my billboard's image, should that image be rendered now matter what its alpha value is (including an alpha of 0.0) i.e. does "replace" effectively mean no blending should occur?

If replace means no blending then I think there's a problem. If my image has an alpha of 0 then it won't show.

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References: 
 >Re: Quartz Composer/Core Video broken for me in Leopard (From: Christopher Hunt <email@hidden>)
 >Re: Quartz Composer/Core Video broken for me in Leopard (From: Pierre-Olivier Latour <email@hidden>)



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