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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 <stdio.h> |
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#ifdef MSDOS |
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#include <fcntl.h> |
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#endif |
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#include <math.h> |
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|
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#include <errno.h> |
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#include "color.h" |
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#include "resolu.h" |
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|
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#include "calcomp.h" |
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#define MAXINP 32 /* maximum number of input files */ |
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#define WINSIZ 9 /* scanline window size */ |
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#define MIDSCN 4 /* current scan position */ |
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#define BRT (-1) /* special index for brightness */ |
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struct { |
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char *name; /* file or command name */ |
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FILE *fp; /* stream pointer */ |
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int nfiles; /* number of input files */ |
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char *vcolin[3] = {"ri", "gi", "bi"}; |
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char *vcolout[3] = {"ro", "go", "bo"}; |
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char Command[] = "<Command>"; |
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char vcolin[3][4] = {"ri", "gi", "bi"}; |
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char vcolout[3][4] = {"ro", "go", "bo"}; |
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char vbrtin[] = "li"; |
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char vbrtout[] = "lo"; |
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char *vcolexp[3] = {"re", "ge", "be"}; |
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char vcolexp[3][4] = {"re", "ge", "be"}; |
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char vbrtexp[] = "le"; |
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char vnfiles[] = "nfiles"; |
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FILE *popen(); |
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extern char *emalloc(); |
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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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{ |
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char buf[128]; |
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int original; |
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double f; |
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int a, i; |
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#ifdef MSDOS |
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extern int _fmode; |
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_fmode = O_BINARY; |
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setmode(fileno(stdin), O_BINARY); |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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/* scan options */ |
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for (a = 1; a < argc; a++) { |
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if (argv[a][0] == '-') |
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break; |
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case 'o': |
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original++; |
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break; |
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continue; |
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case 's': |
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f = atof(argv[++a]); |
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scalecolor(input[nfiles].coef, f); |
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goto usage; |
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} |
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else { |
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input[nfiles].name = argv[a]; |
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input[nfiles].fp = argv[a][0]=='!' ? |
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popen(argv[a]+1, "r") : |
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fopen(argv[a], "r"); |
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if (argv[a][0] == '!') { |
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input[nfiles].name = Command; |
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input[nfiles].fp = popen(argv[a]+1, "r"); |
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} else { |
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input[nfiles].name = argv[a]; |
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input[nfiles].fp = fopen(argv[a], "r"); |
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} |
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if (input[nfiles].fp == NULL) { |
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perror(argv[a]); |
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quit(1); |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
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case 'x': |
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strcpy(buf, vxres); |
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strcat(buf, ":"); |
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strcat(buf, argv[++a]); |
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scompile(buf, NULL, 0); |
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varset(vxres, ':', eval(argv[++a])); |
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continue; |
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case 'y': |
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strcpy(buf, vyres); |
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strcat(buf, ":"); |
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strcat(buf, argv[++a]); |
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scompile(buf, NULL, 0); |
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varset(vyres, ':', eval(argv[++a])); |
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continue; |
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case 'w': |
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continue; |
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printargs(argc, argv, stdout); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
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fprtresolu(xres, yres, stdout); |
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/* combine pictures */ |
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combine(); |
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quit(0); |
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eputs("Usage: "); |
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eputs(argv[0]); |
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eputs( |
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" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
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" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
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quit(1); |
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} |
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eputs(": not in Radiance picture format\n"); |
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quit(1); |
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} |
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if (fgetresolu(&xinp, &yinp, input[nfiles].fp) != (YMAJOR|YDECR)) { |
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if (fgetresolu(&xinp, &yinp, input[nfiles].fp) < 0) { |
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eputs(input[nfiles].name); |
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eputs(": bad picture size\n"); |
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quit(1); |
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input[i].scan[0] = st; |
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if (yscan <= MIDSCN) /* hit bottom? */ |
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continue; |
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if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
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if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
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eputs(input[i].name); |
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eputs(": read error\n"); |
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quit(1); |
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} |
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for (j = 0; j < xmax; j++) /* adjust color */ |
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multcolor(st[j], input[i].coef); |
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if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
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fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
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fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
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for (j = 0; j < xmax; j++) /* adjust color */ |
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multcolor(st[j], input[i].coef); |
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} |
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} |
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} |
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quit(code) |
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int code; |
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quit(code) /* exit gracefully */ |
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int code; |
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{ |
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register int i; |
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/* close input files */ |
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for (i = 0; i < nfiles; i++) |
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if (input[i].name == Command) |
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pclose(input[i].fp); |
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else |
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fclose(input[i].fp); |
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exit(code); |
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} |