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/* Copyright (c) 1992 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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* pvalue.c - program to print pixel values. |
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* |
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#include "color.h" |
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#include <time.h> |
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#include "resolu.h" |
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#define min(a,b) ((a)<(b)?(a):(b)) |
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int (*getval)(), (*putval)(); |
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double |
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rgb_bright(clr) |
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COLOR clr; |
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{ |
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return(bright(clr)); |
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} |
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double |
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xyz_bright(clr) |
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COLOR clr; |
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{ |
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return(clr[CIEY]); |
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} |
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double (*mybright)() = &rgb_bright; |
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main(argc, argv) |
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int argc; |
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char **argv; |
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case 'X': /* x resolution */ |
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resolution = 0; |
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if (argv[i][0] == '-') |
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picres.or |= XDECR; |
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picres.rt |= XDECR; |
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picres.xr = atoi(argv[++i]); |
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break; |
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case 'y': /* y resolution */ |
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case 'Y': /* y resolution */ |
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resolution = 0; |
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if (argv[i][0] == '-') |
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picres.or |= YDECR; |
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picres.rt |= YDECR; |
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if (picres.xr == 0) |
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picres.or |= YMAJOR; |
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picres.rt |= YMAJOR; |
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picres.yr = atoi(argv[++i]); |
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break; |
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default: |
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if (resolution && fin2 != NULL) { |
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RESOLU pres2; |
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if (!fgetsresolu(&pres2, fin2) || |
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pres2.or != picres.or || |
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pres2.rt != picres.rt || |
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pres2.xr != picres.xr || |
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pres2.yr != picres.yr || |
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!fgetsresolu(&pres2, fin3) || |
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pres2.or != picres.or || |
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pres2.rt != picres.rt || |
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pres2.xr != picres.xr || |
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pres2.yr != picres.yr) { |
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fprintf(stderr, "%s: resolution mismatch\n", |
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/* get header */ |
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getheader(fin, checkhead, NULL); |
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if (wrongformat) { |
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fprintf(stderr, "%s: input not a Radiance picture\n", |
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fprintf(stderr, |
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"%s: input not a Radiance RGBE picture\n", |
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progname); |
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quit(1); |
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} |
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double d; |
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COLOR ctmp; |
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if (formatval(fmt, line)) |
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wrongformat = strcmp(fmt, COLRFMT); |
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else if (original && isexpos(line)) { |
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if (formatval(fmt, line)) { |
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if (!strcmp(fmt, CIEFMT)) { |
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mybright = &xyz_bright; |
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if (original) { |
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scalecolor(exposure, 1./WHTEFFICACY); |
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doexposure++; |
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} |
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} else if (!strcmp(fmt, COLRFMT)) |
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mybright = &rgb_bright; |
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else |
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wrongformat++; |
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} else if (original && isexpos(line)) { |
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d = 1.0/exposval(line); |
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scalecolor(exposure, d); |
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doexposure++; |
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} |
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} |
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} |
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free((char *)scanln); |
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free((void *)scanln); |
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} |
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quit(1); |
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} |
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} |
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free((char *)scanln); |
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free((void *)scanln); |
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} |
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void |
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quit(code) |
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int code; |
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{ |
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putbascii(col) /* put an ascii brightness to stdout */ |
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COLOR col; |
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{ |
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fprintf(stdout, "%15.3e\n", bright(col)); |
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fprintf(stdout, "%15.3e\n", (*mybright)(col)); |
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return(ferror(stdout) ? -1 : 0); |
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} |
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{ |
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float vf; |
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vf = bright(col); |
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vf = (*mybright)(col); |
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fwrite((char *)&vf, sizeof(float), 1, stdout); |
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return(ferror(stdout) ? -1 : 0); |
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{ |
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double vd; |
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vd = bright(col); |
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vd = (*mybright)(col); |
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fwrite((char *)&vd, sizeof(double), 1, stdout); |
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return(ferror(stdout) ? -1 : 0); |
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putbint(col) /* put an int brightness to stdout */ |
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COLOR col; |
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{ |
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fprintf(stdout, "%d\n", (int)(bright(col)*256.)); |
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fprintf(stdout, "%d\n", (int)((*mybright)(col)*256.)); |
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return(ferror(stdout) ? -1 : 0); |
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} |
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register int i; |
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BYTE vb; |
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i = bright(col)*256.; |
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i = (*mybright)(col)*256.; |
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vb = min(i,255); |
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fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
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