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/* Copyright (c) 1989 Regents of the University of California */ |
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/* Copyright (c) 1991 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 "calcomp.h" |
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|
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< |
#define MAXINP 16 /* maximum number of input files */ |
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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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|
| 25 |
+ |
#define BRT (-1) /* special index for brightness */ |
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+ |
|
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struct { |
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char *name; /* file name */ |
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FILE *fp; /* stream pointer */ |
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< |
COLOR *scan; /* input scanline */ |
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> |
COLOR *scan[WINSIZ]; /* input scanline window */ |
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> |
COLOR coef; /* coefficient */ |
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} input[MAXINP]; /* input pictures */ |
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|
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int nfiles; /* number of input files */ |
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|
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char *vcolin[3] = {"ri", "gi", "bi"}; |
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char *vcolout[3] = {"ro", "go", "bo"}; |
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+ |
#define vbrtin "li" |
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+ |
#define vbrtout "lo" |
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|
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+ |
#define vnfiles "nfiles" |
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+ |
#define vxres "xres" |
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#define vyres "yres" |
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#define vxpos "x" |
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#define vypos "y" |
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|
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int nowarn = 0; /* no warning messages? */ |
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|
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+ |
int original = 0; /* origninal values? */ |
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+ |
|
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int xres=0, yres=0; /* picture resolution */ |
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|
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int xpos, ypos; /* picture position */ |
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|
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+ |
int wrongformat = 0; |
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|
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+ |
|
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tputs(s) /* put out string preceded by a tab */ |
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char *s; |
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{ |
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putchar('\t'); |
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< |
fputs(s, stdout); |
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> |
char fmt[32]; |
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double d; |
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COLOR ctmp; |
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|
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if (isformat(s)) { /* check format */ |
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formatval(fmt, s); |
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> |
wrongformat = strcmp(fmt, COLRFMT); |
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> |
} else if (original && isexpos(s)) { /* exposure */ |
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d = 1.0/exposval(s); |
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scalecolor(input[nfiles].coef, d); |
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} else if (original && iscolcor(s)) { /* color correction */ |
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colcorval(ctmp, s); |
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colval(input[nfiles].coef,RED) /= colval(ctmp,RED); |
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colval(input[nfiles].coef,GRN) /= colval(ctmp,GRN); |
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colval(input[nfiles].coef,BLU) /= colval(ctmp,BLU); |
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} else { /* echo unaffected line */ |
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putchar('\t'); |
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fputs(s, stdout); |
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} |
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|
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} |
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int argc; |
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char *argv[]; |
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{ |
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extern double l_redin(), l_grnin(), l_bluin(); |
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int a; |
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> |
extern double l_redin(), l_grnin(), l_bluin(), l_brtin(), atof(); |
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> |
double f; |
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> |
int a, i; |
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|
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funset(vcolin[RED], 1, l_redin); |
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funset(vcolin[GRN], 1, l_grnin); |
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funset(vcolin[BLU], 1, l_bluin); |
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funset(vcolin[RED], 1, '=', l_redin); |
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funset(vcolin[GRN], 1, '=', l_grnin); |
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funset(vcolin[BLU], 1, '=', l_bluin); |
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funset(vbrtin, 1, '=', l_brtin); |
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|
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for (a = 1; a < argc; a++) |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
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case '\0': |
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case 's': |
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case 'c': |
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goto getfiles; |
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case 'x': |
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xres = atoi(argv[++a]); |
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case 'w': |
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nowarn = !nowarn; |
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break; |
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case 'o': |
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original = !original; |
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break; |
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case 'f': |
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fcompile(argv[++a]); |
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break; |
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case 'e': |
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scompile(NULL, argv[++a]); |
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scompile(argv[++a], NULL, 0); |
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break; |
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default: |
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eputs("Usage: "); |
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eputs(argv[0]); |
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eputs(" [-w][-x xres][-y yres][-e expr][-f file] [picture ..]\n"); |
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quit(1); |
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goto usage; |
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} |
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else |
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break; |
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getfiles: |
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for (nfiles = 0; nfiles < MAXINP; nfiles++) |
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setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
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nfiles = 0; |
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for ( ; a < argc; a++) { |
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if (nfiles >= MAXINP) { |
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eputs(": too many picture files\n"); |
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quit(1); |
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} |
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if (argv[a][0] == '-') { |
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input[nfiles].name = "<stdin>"; |
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input[nfiles].fp = stdin; |
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} else { |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
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case '\0': |
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input[nfiles].name = "<stdin>"; |
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input[nfiles].fp = stdin; |
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break; |
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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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continue; |
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case 'c': |
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colval(input[nfiles].coef,RED)*=atof(argv[++a]); |
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colval(input[nfiles].coef,GRN)*=atof(argv[++a]); |
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colval(input[nfiles].coef,BLU)*=atof(argv[++a]); |
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continue; |
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default: |
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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 = fopen(argv[a], "r"); |
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if (input[nfiles].fp == NULL) { |
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eputs(argv[a]); |
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eputs(": cannot open\n"); |
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> |
perror(argv[a]); |
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quit(1); |
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} |
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} |
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fputs(input[nfiles].name, stdout); |
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fputs(":\n", stdout); |
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< |
getheader(input[nfiles].fp, tputs); |
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< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
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getheader(input[nfiles].fp, tputs, NULL); |
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if (wrongformat) { |
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eputs(input[nfiles].name); |
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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(&xpos, &ypos, input[nfiles].fp) != |
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(YMAJOR|YDECR)) { |
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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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} |
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eputs(": resolution mismatch\n"); |
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quit(1); |
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} |
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input[nfiles].scan = (COLOR *)emalloc(xres*sizeof(COLOR)); |
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for (i = 0; i < WINSIZ; i++) |
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input[nfiles].scan[i] = |
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(COLOR *)emalloc(xres*sizeof(COLOR)); |
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nfiles++; |
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} |
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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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printf("-Y %d +X %d\n", yres, xres); |
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fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
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combine(); |
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quit(0); |
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usage: |
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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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quit(1); |
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} |
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combine() /* combine pictures */ |
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{ |
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< |
int coldef[3]; |
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> |
EPNODE *coldef[3], *brtdef; |
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COLOR *scanout; |
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+ |
double d; |
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register int i, j; |
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/* check defined variables */ |
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< |
for (j = 0; j < 3; j++) |
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< |
coldef[j] = vardefined(vcolout[j]); |
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> |
for (j = 0; j < 3; j++) { |
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> |
if (vardefined(vcolout[j])) |
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> |
coldef[j] = eparse(vcolout[j]); |
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> |
else |
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> |
coldef[j] = NULL; |
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> |
} |
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> |
if (vardefined(vbrtout)) |
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> |
brtdef = eparse(vbrtout); |
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> |
else |
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> |
brtdef = NULL; |
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> |
/* define constants */ |
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> |
varset(vnfiles, ':', (double)nfiles); |
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> |
varset(vxres, ':', (double)xres); |
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> |
varset(vyres, ':', (double)yres); |
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/* allocate scanline */ |
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scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
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+ |
/* initialize input */ |
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+ |
initinp(); |
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/* combine files */ |
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for (ypos = yres-1; ypos >= 0; ypos--) { |
| 232 |
< |
for (i = 0; i < nfiles; i++) |
| 233 |
< |
if (freadscan(input[i].scan, xres, input[i].fp) < 0) { |
| 234 |
< |
eputs(input[i].name); |
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< |
eputs(": read error\n"); |
| 236 |
< |
quit(1); |
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> |
advance(); |
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> |
varset(vypos, '=', (double)ypos); |
| 234 |
> |
for (xpos = 0; xpos < xres; xpos++) { |
| 235 |
> |
varset(vxpos, '=', (double)xpos); |
| 236 |
> |
eclock++; |
| 237 |
> |
if (brtdef != NULL) { |
| 238 |
> |
d = evalue(brtdef); |
| 239 |
> |
if (d < 0.0) |
| 240 |
> |
d = 0.0; |
| 241 |
> |
setcolor(scanout[xpos], d, d, d); |
| 242 |
> |
} else { |
| 243 |
> |
for (j = 0; j < 3; j++) { |
| 244 |
> |
if (coldef[j] != NULL) { |
| 245 |
> |
d = evalue(coldef[j]); |
| 246 |
> |
} else { |
| 247 |
> |
d = 0.0; |
| 248 |
> |
for (i = 0; i < nfiles; i++) |
| 249 |
> |
d += colval(input[i].scan[MIDSCN][xpos],j); |
| 250 |
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} |
| 251 |
< |
varset(vypos, (double)ypos); |
| 252 |
< |
for (xpos = 0; xpos < xres; xpos++) { |
| 253 |
< |
varset(vxpos, (double)xpos); |
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< |
eclock++; |
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< |
for (j = 0; j < 3; j++) |
| 161 |
< |
if (coldef[j]) { |
| 162 |
< |
colval(scanout[xpos],j) = varvalue(vcolout[j]); |
| 163 |
< |
if (colval(scanout[xpos],j) < 0.0) |
| 164 |
< |
colval(scanout[xpos],j) = 0.0; |
| 165 |
< |
} else { |
| 166 |
< |
colval(scanout[xpos],j) = 0.0; |
| 167 |
< |
for (i = 0; i < nfiles; i++) |
| 168 |
< |
colval(scanout[xpos],j) += colval(input[i].scan[xpos],j); |
| 169 |
< |
} |
| 251 |
> |
if (d < 0.0) |
| 252 |
> |
d = 0.0; |
| 253 |
> |
colval(scanout[xpos],j) = d; |
| 254 |
> |
} |
| 255 |
|
} |
| 256 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
| 257 |
< |
eputs("write error\n"); |
| 256 |
> |
} |
| 257 |
> |
if (fwritescan(scanout, xres, stdout) < 0) { |
| 258 |
> |
perror("write error"); |
| 259 |
> |
quit(1); |
| 260 |
> |
} |
| 261 |
> |
} |
| 262 |
> |
efree(scanout); |
| 263 |
> |
} |
| 264 |
> |
|
| 265 |
> |
|
| 266 |
> |
initinp() /* initilize scan windows */ |
| 267 |
> |
{ |
| 268 |
> |
for (ypos = yres+(MIDSCN-1); ypos >= yres; ypos--) |
| 269 |
> |
advance(); |
| 270 |
> |
} |
| 271 |
> |
|
| 272 |
> |
|
| 273 |
> |
advance() /* read in next scanline */ |
| 274 |
> |
{ |
| 275 |
> |
register COLOR *st; |
| 276 |
> |
register int i, j; |
| 277 |
> |
|
| 278 |
> |
for (i = 0; i < nfiles; i++) { |
| 279 |
> |
st = input[i].scan[WINSIZ-1]; |
| 280 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
| 281 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
| 282 |
> |
input[i].scan[0] = st; |
| 283 |
> |
if (ypos < MIDSCN) /* hit bottom */ |
| 284 |
> |
continue; |
| 285 |
> |
if (freadscan(st, xres, input[i].fp) < 0) { |
| 286 |
> |
eputs(input[i].name); |
| 287 |
> |
eputs(": read error\n"); |
| 288 |
|
quit(1); |
| 289 |
|
} |
| 290 |
+ |
for (j = 0; j < xres; j++) /* adjust color */ |
| 291 |
+ |
multcolor(st[j], input[i].coef); |
| 292 |
|
} |
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– |
efree(scanout); |
| 293 |
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} |
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|
| 295 |
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|
| 296 |
|
double |
| 297 |
< |
colin(fn, ci) /* return color value for picture */ |
| 298 |
< |
register int fn, ci; |
| 297 |
> |
colin(ci) /* return color value for picture */ |
| 298 |
> |
register int ci; |
| 299 |
|
{ |
| 300 |
< |
if (fn == 0) |
| 301 |
< |
return((double)nfiles); |
| 302 |
< |
if (fn < 1 || fn > nfiles) { |
| 300 |
> |
int n, fn; |
| 301 |
> |
register int xoff, yoff; |
| 302 |
> |
double d; |
| 303 |
> |
|
| 304 |
> |
fn = (d = argument(1)) - .5; |
| 305 |
> |
if (d <= -.5 || fn >= nfiles) { |
| 306 |
|
errno = EDOM; |
| 307 |
|
return(0.0); |
| 308 |
|
} |
| 309 |
< |
return(colval(input[fn-1].scan[xpos],ci)); |
| 309 |
> |
if (d < .5) |
| 310 |
> |
return((double)nfiles); |
| 311 |
> |
xoff = yoff = 0; |
| 312 |
> |
n = nargum(); |
| 313 |
> |
if (n >= 2) { |
| 314 |
> |
d = argument(2); |
| 315 |
> |
if (d < 0.0) { |
| 316 |
> |
xoff = d-.5; |
| 317 |
> |
if (xpos+xoff < 0) |
| 318 |
> |
xoff = -xpos; |
| 319 |
> |
} else { |
| 320 |
> |
xoff = d+.5; |
| 321 |
> |
if (xpos+xoff >= xres) |
| 322 |
> |
xoff = xres-1-xpos; |
| 323 |
> |
} |
| 324 |
> |
} |
| 325 |
> |
if (n >= 3) { |
| 326 |
> |
d = argument(3); |
| 327 |
> |
if (d < 0.0) { |
| 328 |
> |
yoff = d-.5; |
| 329 |
> |
if (yoff+MIDSCN < 0) |
| 330 |
> |
yoff = -MIDSCN; |
| 331 |
> |
if (ypos+yoff < 0) |
| 332 |
> |
yoff = -ypos; |
| 333 |
> |
} else { |
| 334 |
> |
yoff = d+.5; |
| 335 |
> |
if (yoff+MIDSCN >= WINSIZ) |
| 336 |
> |
yoff = WINSIZ-1-MIDSCN; |
| 337 |
> |
if (ypos+yoff >= yres) |
| 338 |
> |
yoff = yres-1-ypos; |
| 339 |
> |
} |
| 340 |
> |
} |
| 341 |
> |
if (ci == BRT) |
| 342 |
> |
return(bright(input[fn].scan[MIDSCN+yoff][xpos+xoff])); |
| 343 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xpos+xoff],ci)); |
| 344 |
|
} |
| 345 |
|
|
| 346 |
|
|
| 347 |
|
double |
| 348 |
|
l_redin() /* get red color */ |
| 349 |
|
{ |
| 350 |
< |
return(colin((int)(argument(1)+.5), RED)); |
| 350 |
> |
return(colin(RED)); |
| 351 |
|
} |
| 352 |
|
|
| 353 |
|
|
| 354 |
|
double |
| 355 |
|
l_grnin() /* get green color */ |
| 356 |
|
{ |
| 357 |
< |
return(colin((int)(argument(1)+.5), GRN)); |
| 357 |
> |
return(colin(GRN)); |
| 358 |
|
} |
| 359 |
|
|
| 360 |
|
|
| 361 |
|
double |
| 362 |
|
l_bluin() /* get blue color */ |
| 363 |
|
{ |
| 364 |
< |
return(colin((int)(argument(1)+.5), BLU)); |
| 364 |
> |
return(colin(BLU)); |
| 365 |
> |
} |
| 366 |
> |
|
| 367 |
> |
|
| 368 |
> |
double |
| 369 |
> |
l_brtin() /* get brightness value */ |
| 370 |
> |
{ |
| 371 |
> |
return(colin(BRT)); |
| 372 |
|
} |
| 373 |
|
|
| 374 |
|
|