Calibrated Colorspace Images slow?

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1 total messages Started by Marcel Weiher Fri, 13 Nov 1992 07:50

#1594

Author: Marcel Weiher
Date: Fri, 13 Nov 1992 07:50

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Hi,

I've experimented a little with the PS-Level II colorspaces.
Normal drawing is OK (once the color space is set up, which
takes a while).

However, images are incredibly slow: Over five seconds for
a 256x256 image.  This comes out to about 75 microseconds
per pixel!  What are they doing, interpreting the PostScript
procedures for each pixel?  I thought there would be lookup
tables, but apparently not.

Has anybody tried this, and possibly gotten better results?

Grateful for any info,

Marcel

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