From: Ethan M. <merritt@u.washington.edu> - 2004-05-27 19:43:38
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On Thursday 27 May 2004 12:30 pm, Daniel J Sebald wrote: > Well, I've never gotten wise about TrueColor. I think it is a trade > name, not sure. It's a visual display mode in X11, as distinct from DirectColor or PseudoColor, which both use color maps. > Don't know. I think Ethan put some commands for TrueColor images in his > gd.trm mods. Maybe I should have used a different keyword. I just meant 8-bits per channel, rather than a color map. > Anyone know if 12 bits for color channels and/or gray scale of images is > allowed in PostScript? The PostScript Language Reference Manual says (p. 220): BitsPerComponent integer (Required) "Specifies the number of bits used to represent each color component. The number must be 1, 2, 3, 8, or 12. Only a single number may be specified. BitsPerComponent must be 1 in an image dictionary used with imagemask." -- Ethan A Merritt merritt@u.washington.edu Biomolecular Structure Center Mailstop 357742 University of Washington, Seattle, WA 98195 |