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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Allocate and control dynamic color table. |
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* |
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* except there is no color mapping, since the tm library is used. |
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*/ |
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#include <string.h> |
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#include "standard.h" |
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#include "color.h" |
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/* histogram resolution */ |
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return(0); |
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/* free old tables */ |
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if (clrtab != NULL) |
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free((char *)clrtab); |
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free((void *)clrtab); |
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if (ctree != NULL) |
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free((char *)ctree); |
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free((void *)ctree); |
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/* get new tables */ |
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for (treesize = 1; treesize < ncolors; treesize <<= 1) |
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; |
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/* partition color space */ |
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cut(ctree, 0, CLRCUBE, 0, ncolors); |
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/* clear histogram */ |
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bzero((char *)histo, sizeof(histo)); |
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memset((void *)histo, '\0', sizeof(histo)); |
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/* return number of colors used */ |
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return(ncolors); |
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} |
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} |
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/* split box */ |
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*tree = split(box); |
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bcopy((char *)box, (char *)kb, sizeof(kb)); |
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memcpy((void *)kb, (void *)box, sizeof(kb)); |
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/* do left (lesser) branch */ |
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kb[prim(*tree)][1] = part(*tree); |
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cut(tree+(1<<level), level+1, kb, c0, (c0+c1)>>1); |
