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/* Copyright (c) 1991 Regents of the University of California */ |
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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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#include "resolu.h" |
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#define min(a,b) ((a)<(b)?(a):(b)) |
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#define min(a,b) ((a)<(b)?(a):(b)) |
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RESOLU picres; /* resolution of picture */ |
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RESOLU picres; /* resolution of picture */ |
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int uniq = 0; /* print only unique values? */ |
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int wrongformat = 0; /* wrong input format? */ |
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double gamcor = 1.0; /* gamma correction */ |
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double gamcor = 1.0; /* gamma correction */ |
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int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
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int rord[4]; /* reverse ordering */ |
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|
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COLOR exposure = WHTCOLOR; |
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char *progname; |
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if (argv[i][0] == '+') |
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gamcor = 1.0/gamcor; |
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break; |
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case 'R': /* reverse byte sequence */ |
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if (argv[i][0] == '-') { |
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ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
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} else { |
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ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
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} |
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break; |
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case 'r': /* reverse conversion */ |
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reverse = argv[i][0] == '-'; |
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break; |
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} |
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break; |
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case 'x': /* x resolution */ |
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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.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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fmtid = "8-bit_grey"; |
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else |
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fmtid = "24-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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rord[ord[2]] = 2; |
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/* get input */ |
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if (i == argc) { |
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fin = stdin; |
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} else if (i == argc-1) { |
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set_io(); |
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if (reverse) { |
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#ifdef MSDOS |
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setmode(fileno(stdout), O_BINARY); |
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if (format != 'a' && format != 'i') |
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setmode(fileno(fin), O_BINARY); |
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#endif |
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/* get header */ |
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if (header && checkheader(fin, fmtid, stdout) < 0) { |
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fprintf(stderr, "%s: wrong input format\n", progname); |
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fputsresolu(&picres, stdout); /* always put resolution */ |
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valtopix(); |
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} else { |
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#ifdef MSDOS |
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setmode(fileno(fin), O_BINARY); |
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if (format != 'a' && format != 'i') |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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/* get header */ |
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getheader(fin, checkhead, NULL); |
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if (wrongformat) { |
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pixtoval() /* convert picture to values */ |
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{ |
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register COLOR *scanln; |
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register COLOR *scanln; |
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int dogamma; |
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COLOR lastc; |
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FLOAT hv[2]; |
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valtopix() /* convert values to a pixel file */ |
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{ |
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int dogamma; |
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register COLOR *scanln; |
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register COLOR *scanln; |
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int y; |
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register int x; |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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double vd[3]; |
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if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
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return(-1); |
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setcolor(col, vd[0], vd[1], vd[2]); |
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setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
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return(0); |
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} |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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double vd[3]; |
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if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
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return(-1); |
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setcolor(col, vd[0], vd[1], vd[2]); |
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setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
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return(0); |
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} |
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if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
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return(-1); |
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setcolor(col, vf[0], vf[1], vf[2]); |
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setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
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return(0); |
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} |
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if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
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return(-1); |
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setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
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setcolor(col, (vi[rord[RED]]+.5)/256., |
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(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
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return(0); |
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} |
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if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
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return(-1); |
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setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
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setcolor(col, (vb[rord[RED]]+.5)/256., |
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(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
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return(0); |
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} |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd; |
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double vd; |
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if (fscanf(fp, "%lf", &vd) != 1) |
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return(-1); |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd; |
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double vd; |
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if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
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return(-1); |
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FILE *fp; |
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{ |
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int vi; |
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double d; |
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double d; |
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if (fscanf(fp, "%d", &vi) != 1) |
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return(-1); |
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FILE *fp; |
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{ |
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BYTE vb; |
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double d; |
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double d; |
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if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
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return(-1); |
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FILE *fp; |
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{ |
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fprintf(fp, "%15.3e %15.3e %15.3e\n", |
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colval(col,RED), |
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colval(col,GRN), |
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colval(col,BLU)); |
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colval(col,ord[0]), |
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colval(col,ord[1]), |
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colval(col,ord[2])); |
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return(ferror(fp) ? -1 : 0); |
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} |
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{ |
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float vf[3]; |
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vf[0] = colval(col,RED); |
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vf[1] = colval(col,GRN); |
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vf[2] = colval(col,BLU); |
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vf[0] = colval(col,ord[0]); |
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vf[1] = colval(col,ord[1]); |
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vf[2] = colval(col,ord[2]); |
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fwrite((char *)vf, sizeof(float), 3, fp); |
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return(ferror(fp) ? -1 : 0); |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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double vd[3]; |
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vd[0] = colval(col,RED); |
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vd[1] = colval(col,GRN); |
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vd[2] = colval(col,BLU); |
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vd[0] = colval(col,ord[0]); |
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vd[1] = colval(col,ord[1]); |
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vd[2] = colval(col,ord[2]); |
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fwrite((char *)vd, sizeof(double), 3, fp); |
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return(ferror(fp) ? -1 : 0); |
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FILE *fp; |
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{ |
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fprintf(fp, "%d %d %d\n", |
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(int)(colval(col,RED)*256.), |
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(int)(colval(col,GRN)*256.), |
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(int)(colval(col,BLU)*256.)); |
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(int)(colval(col,ord[0])*256.), |
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(int)(colval(col,ord[1])*256.), |
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(int)(colval(col,ord[2])*256.)); |
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return(ferror(fp) ? -1 : 0); |
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} |
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register int i; |
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BYTE vb[3]; |
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i = colval(col,RED)*256.; |
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i = colval(col,ord[0])*256.; |
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vb[0] = min(i,255); |
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i = colval(col,GRN)*256.; |
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i = colval(col,ord[1])*256.; |
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vb[1] = min(i,255); |
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i = colval(col,BLU)*256.; |
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i = colval(col,ord[2])*256.; |
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vb[2] = min(i,255); |
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fwrite((char *)vb, sizeof(BYTE), 3, fp); |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd; |
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double vd; |
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vd = bright(col); |
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fwrite((char *)&vd, sizeof(double), 1, fp); |