Has anyone accomplished anything of significance using the ImageAccess() callback of a Tioga driver? The sample routine in the sample source is fairly simplistic, and I've not been able to track down documentation to explain what might be possible.
>From expermentation, it would appear that regardless of what color mode I've set, I get an RGB bitmap as input. So, for example, if I wanted to adjust or eliminate the undercolor removal for bitmaps, I appear not to have an option of receiving a CMYK bitmap and adjusting the K.
I've also think that the PMDrawingCtx parameter is in reality a CGContextRef, but the sample code doesnt reference that parameter or give me any expectations of how I might use it.
Any help or suggestions would be appreciated.
Thanks.
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Roger L Long
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