[cups.development] CUPS raster stream in 1 bitsperpixel

Michael Sweet msweet at apple.com
Tue Jul 28 07:54:12 PDT 2009


On Jul 27, 2009, at 9:22 PM, keens312 wrote:
> Hi Michael,
>
> I am working on the monochrone CUPS driver on Mac OS X.
>
> The data stream passed down to filter is gray image (8bits per pixel).
>
> Can CUPS pass down the data stream in 1 bit per pixel? so I can skip  
> to halftone by myself.

Yes, the Mac OS X cgpdftoraster filter supports generating 1-bit  
grayscale, RGB, and CMYK data, which is also used by the sample drivers.

Here is the technote that documents the supported formats:

     http://developer.apple.com/qa/qa2004/qa1368.html

>
> Thanks
> Keene
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___________________________________________________
Michael Sweet, Senior Printing System Engineer







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