PixMap Device Drivers

Thread View: gnu.ghostscript.bug

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1 total messages Started by Kobi O. Eshun Thu, 12 Nov 1992 01:18

#493

Author: Kobi O. Eshun
Date: Thu, 12 Nov 1992 01:18

23 lines
1242 bytes

I have compiled ghostscript 2.5 on an HP9000/822 running HP/UX 7.0.  My
installation includes the "ppm" and "ppmraw" drivers, whose output I have
successfully piped into a formatting utility for a 24-bit color CIRRUS
laser plotter.  Two issues I could use help with:

1 - When rendering extremely large rastas (7Kx8K), the green component of
		the pixmap is "clipped" into the lower four of the eight bits.  The
		problem does not occur for smaller rastas (1Kx1K, for example), but
		I haven't determined empirically where the break point is.

		Any suggestions?

2 - Where are the "ppm" and "ppmraw" formats documented?  How do they
		differ from each other?


I can be reached as

				jkoes@chevron.com

Thanks,

Kobi.

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