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* program to convert between RADIANCE and Windows BMP file |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <string.h> |
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#include "rtio.h" |
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#include "platform.h" |
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#include "color.h" |
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#include "tonemap.h" |
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double gamcor = 2.2; /* gamma correction value */ |
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char *progname; |
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static void quiterr(const char *err); |
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static void tmap2bmp(char *fnin, char *fnout, char *expec, |
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RGBPRIMP monpri, double gamval); |
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RESOLU rs; |
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int i; |
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progname = argv[0]; |
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fixargv0(argv[0]); /* assigns progname */ |
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-' && argv[i][1]) |
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rgbinp = TM_XYZPRIM; |
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return(0); |
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} |
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if (!strcmp(fmt,SPECFMT)) |
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return(0); |
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return(-1); |
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} |
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if (isprims(s)) { /* get input primaries */ |
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rgbinp = myinprims; |
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return(0); |
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} |
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if (isncomp(s)) { |
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NCSAMP = ncompval(s); |
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return(0); |
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} |
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if (iswlsplit(s)) { |
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wlsplitval(WLPART, s); |
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return(0); |
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} |
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/* should I grok colcorr also? */ |
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return(0); |
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} |
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usexfm = (monpri != NULL ? rgbinp != monpri : |
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rgbinp != TM_XYZPRIM && rgbinp != stdprims); |
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if (usexfm) { |
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double expcomp = pow(2.0, (double)bradj); |
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RGBPRIMP destpri = monpri != NULL ? monpri : stdprims; |
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double expcomp = pow(2.0, (double)bradj); |
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if (rgbinp == TM_XYZPRIM) |
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compxyz2rgbWBmat(xfm, monpri); |
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compxyz2rgbWBmat(xfm, destpri); |
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else |
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comprgb2rgbWBmat(xfm, rgbinp, monpri); |
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comprgb2rgbWBmat(xfm, rgbinp, destpri); |
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for (y = 0; y < 3; y++) |
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for (x = 0; x < 3; x++) |
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xfm[y][x] *= expcomp; |
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} |
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/* convert each scanline */ |
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for ( ; y != yend; y += ystp) { |
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if (freadcolrs(scanin, bwr->hdr->width, rfp) < 0) |
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if (fread2colrs(scanin, bwr->hdr->width, rfp, NCSAMP, WLPART) < 0) |
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quiterr("error reading Radiance picture"); |
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if (usexfm) |
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for (x = bwr->hdr->width; x--; ) { |