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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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|
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#include <time.h> |
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|
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#include "resolu.h" |
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|
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typedef unsigned short uint16; /* sizeof (uint16) must == 2 */ |
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|
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#define min(a,b) ((a)<(b)?(a):(b)) |
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|
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/* what to put out (also RED, GRN, BLU) */ |
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|
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int (*getval)(), (*putval)(); |
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|
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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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|
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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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|
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double (*mybright)() = &rgb_bright; |
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|
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|
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main(argc, argv) |
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int argc; |
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char **argv; |
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format = 'b'; |
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fmtid = "byte"; |
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break; |
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case 'w': /* 16-bit */ |
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dataonly = 1; |
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format = 'w'; |
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fmtid = "16-bit"; |
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break; |
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case 'f': /* float */ |
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dataonly = 1; |
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format = 'f'; |
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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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fmtid = "8-bit_grey"; |
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else |
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fmtid = "24-bit_rgb"; |
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if (dataonly && format == 'w') |
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if (brightonly) |
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fmtid = "16-bit_grey"; |
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else |
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fmtid = "48-bit_rgb"; |
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/* assign reverse ordering */ |
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rord[ord[0]] = 0; |
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rord[ord[1]] = 1; |
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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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} |
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|
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|
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int |
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checkhead(line) /* deal with line from header */ |
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char *line; |
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{ |
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double d; |
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COLOR ctmp; |
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|
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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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doexposure++; |
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} else if (header) |
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fputs(line, stdout); |
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return(0); |
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} |
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|
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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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|
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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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|
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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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} |
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|
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|
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getcword(col) /* get a 16-bit color value from stream(s) */ |
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COLOR col; |
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{ |
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uint16 vw[3]; |
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|
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if (fin2 == NULL) { |
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if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
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return(-1); |
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} else { |
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if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
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fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
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fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
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return(-1); |
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} |
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setcolor(col, (vw[rord[RED]]+.5)/65536., |
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(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
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return(0); |
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} |
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|
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|
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getbascii(col) /* get an ascii brightness value from fin */ |
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COLOR col; |
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{ |
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} |
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|
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|
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getbword(col) /* get a 16-bit brightness value from fin */ |
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COLOR col; |
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{ |
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uint16 vw; |
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double d; |
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|
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if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
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return(-1); |
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d = (vw+.5)/65536.; |
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setcolor(col, d, d, d); |
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return(0); |
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} |
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|
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|
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putcascii(col) /* put an ascii color to stdout */ |
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COLOR col; |
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{ |
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putcbyte(col) /* put a byte color to stdout */ |
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COLOR col; |
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{ |
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register int i; |
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long i; |
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BYTE vb[3]; |
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|
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i = colval(col,ord[0])*256.; |
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} |
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|
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putcword(col) /* put a 16-bit color to stdout */ |
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COLOR col; |
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{ |
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long i; |
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uint16 vw[3]; |
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|
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i = colval(col,ord[0])*65536.; |
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vw[0] = min(i,65535); |
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i = colval(col,ord[1])*65536.; |
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vw[1] = min(i,65535); |
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i = colval(col,ord[2])*65536.; |
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vw[2] = min(i,65535); |
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fwrite((char *)vw, sizeof(uint16), 3, stdout); |
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|
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return(ferror(stdout) ? -1 : 0); |
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} |
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|
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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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|
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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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|
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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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|
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return(ferror(stdout) ? -1 : 0); |
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{ |
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double vd; |
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|
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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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|
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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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{ |
831 |
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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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|
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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; |
842 |
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|
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< |
i = bright(col)*256.; |
843 |
> |
i = (*mybright)(col)*256.; |
844 |
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vb = min(i,255); |
845 |
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fwrite((char *)&vb, sizeof(BYTE), 1, stdout); |
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|
848 |
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} |
849 |
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|
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|
851 |
+ |
putbword(col) /* put a 16-bit brightness to stdout */ |
852 |
+ |
COLOR col; |
853 |
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{ |
854 |
+ |
long i; |
855 |
+ |
uint16 vw; |
856 |
+ |
|
857 |
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i = (*mybright)(col)*65536.; |
858 |
+ |
vw = min(i,65535); |
859 |
+ |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
860 |
+ |
|
861 |
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return(ferror(stdout) ? -1 : 0); |
862 |
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} |
863 |
+ |
|
864 |
+ |
|
865 |
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putpascii(col) /* put an ascii primary to stdout */ |
866 |
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COLOR col; |
867 |
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{ |
907 |
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putpbyte(col) /* put a byte primary to stdout */ |
908 |
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COLOR col; |
909 |
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{ |
910 |
< |
register int i; |
910 |
> |
long i; |
911 |
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BYTE vb; |
912 |
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|
913 |
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i = colval(col,putprim)*256.; |
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} |
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|
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|
921 |
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putpword(col) /* put a 16-bit primary to stdout */ |
922 |
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COLOR col; |
923 |
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{ |
924 |
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long i; |
925 |
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uint16 vw; |
926 |
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|
927 |
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i = colval(col,putprim)*65536.; |
928 |
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vw = min(i,65535); |
929 |
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fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
930 |
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|
931 |
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return(ferror(stdout) ? -1 : 0); |
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} |
933 |
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|
934 |
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|
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set_io() /* set put and get functions */ |
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{ |
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switch (format) { |
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goto seekerr; |
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if (fseek(fin3, |
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(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
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goto seekerr; |
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} |
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} |
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return; |
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case 'w': /* 16-bit */ |
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if (putprim == BRIGHT) { |
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getval = getbword; |
1043 |
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putval = putbword; |
1044 |
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} else if (putprim != ALL) { |
1045 |
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getval = getbword; |
1046 |
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putval = putpword; |
1047 |
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} else { |
1048 |
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getval = getcword; |
1049 |
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putval = putcword; |
1050 |
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if (reverse && !interleave) { |
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if (fin2 == NULL) |
1052 |
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goto namerr; |
1053 |
+ |
if (fseek(fin2, |
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(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
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goto seekerr; |
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if (fseek(fin3, |
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(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
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goto seekerr; |
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} |
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} |