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/* Copyright (c) 1992 Regents of the University of California */ |
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/* Copyright (c) 1993 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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/* maximum propagated error during dithering */ |
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#define MAXERR 20 |
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/* define CLOSEST to get closest colors */ |
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#define CLOSEST 1 |
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#ifndef CLOSEST |
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#ifdef SPEED |
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#if SPEED > 8 |
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#define CLOSEST 1 /* this step takes a little longer */ |
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#endif |
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#endif |
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#endif |
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new_histo() /* clear our histogram */ |
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register BYTE col[3]; |
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int r, g, b; |
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{ |
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register unsigned tmp; |
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register int tmp; |
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register unsigned sum; |
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tmp = col[RED]*NRED/256 - r; |