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/* Copyright 1988 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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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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CIQ - main program for color image quantization |
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options for Floyd-Steinberg dithering by minimization of accumulated error |
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Greg Ward 1 March 88, modified for arbitrary picture sizes |
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*/ |
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#include "standard.h" |
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#include "ciq.h" |
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#define table(m,r,g,b) hist[m[0][r]|m[1][g]|m[2][b]] /* histogram/pvtable */ |
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for (lp=line, x=0; x<xmax; x++, lp++) |
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table(map,lp->r,lp->g,lp->b)++; |
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} |
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free((char *)line); |
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free((void *)line); |
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} |
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convertmap(in,out) /* convert to shifted color map */ |
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oline[x] = table(map,lp->r,lp->g,lp->b); |
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picwriteline(y,oline); |
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} |
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free((char *)iline); |
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free((char *)oline); |
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free((void *)iline); |
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free((void *)oline); |
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} |
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draw_dith(ocm) /* quantize with dithering */ |
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} |
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picwriteline(y,oline); |
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} |
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free((char *)iline); |
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free((char *)oline); |
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free((char *)buf); |
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free((void *)iline); |
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free((void *)oline); |
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free((void *)buf); |
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} |
