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Re: In Rip Separations


On Feb 3, 2005, at 7:49 AM, marquis logan wrote:

On Feb 3, 2005, at 12:58 AM, R. Scott Thompson wrote:

Features like in-rip separation, OPI comments, and the like are not part of the Quartz imaging model and, as a result, the CGContext API does not support them. Consider, for example, the concept of sending in-rip separation commands and/or spot colors to a CGContext attached to a window... it doesn't make much sense.

<x-tad-smaller>in fairness, quartz is designed for printing as much as it is for rendering to a screen.
</x-tad-smaller>

This is true. The imaging model which Quartz presents is equally valid in print as it is on-screen. That does not change the fact that high-end printing features are not currently part of that model.

<x-tad-smaller>CGContextBeginPage() and CGContextEndPage() don't make much sense going to a screen.
</x-tad-smaller>

I agree. In my opinion these two routines are actually misplaced. In a strict sense they should be part of CGPDFContext and not part of the generic CGContext API. I imagine, however, that these routines were promoted to the generic interface so that applications which rely on the paging features of the API can treat page-oriented devices uniformly.
Scott
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References: 
 >In Rip Separations (From: Hugo Kristinsson <email@hidden>)
 >Re: In Rip Separations (From: "R. Scott Thompson" <email@hidden>)
 >Re: In Rip Separations (From: marquis logan <email@hidden>)



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