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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 original = 0; /* convert back to original values? */ |
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int doexposure = 0; /* exposure change? (>100 to print) */ |
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int dataonly = 0; /* data only format? */ |
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int resolution = 1; /* put/get resolution string? */ |
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int original = 0; /* convert to original 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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char **argv; |
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{ |
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extern int checkhead(); |
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double d, expval = 1.0; |
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int i; |
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progname = argv[0]; |
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original = argv[i][0] == '-'; |
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break; |
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case 'g': /* gamma correction */ |
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gamcor = atof(argv[++i]); |
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gamcor = atof(argv[i+1]); |
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if (argv[i][0] == '+') |
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gamcor = 1.0/gamcor; |
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i++; |
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break; |
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case 'e': /* exposure correction */ |
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d = atof(argv[i+1]); |
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if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
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d = pow(2.0, d); |
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if (argv[i][0] == '-') |
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doexposure = 100; |
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scalecolor(exposure, d); |
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expval *= d; |
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doexposure++; |
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i++; |
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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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} |
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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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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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} |
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/* add to header */ |
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printargs(i, argv, stdout); |
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if (doexposure > 100) |
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fputexpos(expval, stdout); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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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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} |
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if (header) { |
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printargs(i, argv, stdout); |
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if (doexposure > 100) |
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fputexpos(expval, stdout); |
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fputformat(fmtid, stdout); |
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putchar('\n'); |
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} |
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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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} else if (original && iscolcor(line)) { |
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colcorval(ctmp, line); |
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setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
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colval(exposure,GRN)/colval(ctmp,GRN), |
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colval(exposure,BLU)/colval(ctmp,BLU)); |
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doexposure++; |
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} else if (header) |
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fputs(line, stdout); |
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} |
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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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continue; |
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else |
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copycolor(lastc, scanln[x]); |
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if (original) |
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if (doexposure) |
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multcolor(scanln[x], exposure); |
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if (dogamma) |
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setcolor(scanln[x], |
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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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pow(colval(scanln[x],RED), gamcor), |
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pow(colval(scanln[x],GRN), gamcor), |
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pow(colval(scanln[x],BLU), gamcor)); |
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if (doexposure) |
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multcolor(scanln[x], exposure); |
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} |
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if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
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fprintf(stderr, "%s: write error\n", progname); |
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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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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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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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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,ord[0]); |
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vd[1] = colval(col,ord[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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vd = bright(col); |
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fwrite((char *)&vd, sizeof(double), 1, fp); |