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< |
/* Copyright (c) 1991 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
| 2 |
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|
| 3 |
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#ifndef lint |
| 4 |
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static char SCCSid[] = "$SunId$ LBL"; |
| 10 |
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* 1/4/89 |
| 11 |
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*/ |
| 12 |
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|
| 13 |
< |
#include <stdio.h> |
| 13 |
> |
#include "standard.h" |
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|
| 15 |
– |
#include <errno.h> |
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– |
|
| 15 |
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#include "color.h" |
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|
| 17 |
+ |
#include "resolu.h" |
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+ |
|
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#include "calcomp.h" |
| 20 |
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|
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+ |
#include "view.h" |
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+ |
|
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#define MAXINP 32 /* maximum number of input files */ |
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< |
#define WINSIZ 9 /* scanline window size */ |
| 25 |
< |
#define MIDSCN 4 /* current scan position */ |
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> |
#define WINSIZ 17 /* scanline window size */ |
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> |
#define MIDSCN ((WINSIZ-1)/2+1) |
| 26 |
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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 or command name */ |
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FILE *fp; /* stream pointer */ |
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+ |
VIEW vw; /* view for picture */ |
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+ |
RESOLU rs; /* image resolution and orientation */ |
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+ |
float pa; /* pixel aspect ratio */ |
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COLOR *scan[WINSIZ]; /* input scanline window */ |
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COLOR coef; /* coefficient */ |
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COLOR expos; /* recorded exposure */ |
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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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> |
char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
| 41 |
> |
|
| 42 |
> |
char Command[] = "<Command>"; |
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> |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
| 44 |
> |
char vcolout[3][4] = {"ro", "go", "bo"}; |
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char vbrtin[] = "li"; |
| 46 |
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char vbrtout[] = "lo"; |
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< |
char *vcolexp[3] = {"re", "ge", "be"}; |
| 47 |
> |
char vcolexp[3][4] = {"re", "ge", "be"}; |
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char vbrtexp[] = "le"; |
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|
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+ |
char vray[6][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz"}; |
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+ |
|
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+ |
char vpsize[] = "S"; |
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+ |
|
| 54 |
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char vnfiles[] = "nfiles"; |
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char vxmax[] = "xmax"; |
| 56 |
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char vymax[] = "ymax"; |
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|
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int xpos, ypos; /* output position */ |
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|
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+ |
char *progname; /* global argv[0] */ |
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|
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int wrongformat = 0; |
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+ |
int gotview; |
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|
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FILE *popen(); |
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|
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+ |
extern char *emalloc(); |
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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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{ |
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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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progname = argv[0]; |
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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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} |
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break; |
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} |
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newheader("RADIANCE", stdout); /* start header */ |
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/* process files */ |
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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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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
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copystruct(&input[nfiles].vw, &stdview); |
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input[nfiles].pa = 1.0; |
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} |
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nfiles = 0; |
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original = 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"); |
| 158 |
> |
} |
| 159 |
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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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} |
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/* complete header */ |
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printargs(argc, argv, stdout); |
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fputformat(COLRFMT, stdout); |
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> |
if (strcmp(ourfmt, PICFMT)) |
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> |
fputformat(ourfmt, stdout); /* print format if known */ |
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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][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
| 223 |
> |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
| 224 |
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quit(1); |
| 225 |
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} |
| 226 |
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|
| 232 |
|
double d; |
| 233 |
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COLOR ctmp; |
| 234 |
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|
| 235 |
< |
if (isformat(s)) { /* check format */ |
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< |
formatval(fmt, s); |
| 215 |
< |
wrongformat = strcmp(fmt, COLRFMT); |
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> |
if (isheadid(s)) /* header id */ |
| 236 |
|
return; /* don't echo */ |
| 237 |
+ |
if (formatval(fmt, s)) { /* check format */ |
| 238 |
+ |
if (globmatch(ourfmt, fmt)) { |
| 239 |
+ |
wrongformat = 0; |
| 240 |
+ |
strcpy(ourfmt, fmt); |
| 241 |
+ |
} else |
| 242 |
+ |
wrongformat = 1; |
| 243 |
+ |
return; /* don't echo */ |
| 244 |
|
} |
| 245 |
|
if (isexpos(s)) { /* exposure */ |
| 246 |
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d = exposval(s); |
| 248 |
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} else if (iscolcor(s)) { /* color correction */ |
| 249 |
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colcorval(ctmp, s); |
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multcolor(input[nfiles].expos, ctmp); |
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< |
} |
| 251 |
> |
} else if (isaspect(s)) { |
| 252 |
> |
input[nfiles].pa *= aspectval(s); |
| 253 |
> |
} else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
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> |
gotview++; |
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/* echo line */ |
| 256 |
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putchar('\t'); |
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fputs(s, stdout); |
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|
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checkfile() /* ready a file */ |
| 262 |
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{ |
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– |
int xinp, yinp; |
| 263 |
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register int i; |
| 264 |
|
/* process header */ |
| 265 |
+ |
gotview = 0; |
| 266 |
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fputs(input[nfiles].name, stdout); |
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fputs(":\n", stdout); |
| 268 |
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getheader(input[nfiles].fp, tputs, NULL); |
| 271 |
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eputs(": not in Radiance picture format\n"); |
| 272 |
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quit(1); |
| 273 |
|
} |
| 274 |
< |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) != (YMAJOR|YDECR)) { |
| 274 |
> |
if (!gotview || setview(&input[nfiles].vw) != NULL) |
| 275 |
> |
input[nfiles].vw.type = 0; |
| 276 |
> |
if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
| 277 |
|
eputs(input[nfiles].name); |
| 278 |
|
eputs(": bad picture size\n"); |
| 279 |
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quit(1); |
| 280 |
|
} |
| 281 |
|
if (xmax == 0 && ymax == 0) { |
| 282 |
< |
xmax = xinp; |
| 283 |
< |
ymax = yinp; |
| 284 |
< |
} else if (xinp != xmax || yinp != ymax) { |
| 282 |
> |
xmax = scanlen(&input[nfiles].rs); |
| 283 |
> |
ymax = numscans(&input[nfiles].rs); |
| 284 |
> |
} else if (scanlen(&input[nfiles].rs) != xmax || |
| 285 |
> |
numscans(&input[nfiles].rs) != ymax) { |
| 286 |
|
eputs(input[nfiles].name); |
| 287 |
|
eputs(": resolution mismatch\n"); |
| 288 |
|
quit(1); |
| 293 |
|
} |
| 294 |
|
|
| 295 |
|
|
| 296 |
+ |
double |
| 297 |
+ |
rgb_bright(clr) |
| 298 |
+ |
COLOR clr; |
| 299 |
+ |
{ |
| 300 |
+ |
return(bright(clr)); |
| 301 |
+ |
} |
| 302 |
+ |
|
| 303 |
+ |
|
| 304 |
+ |
double |
| 305 |
+ |
xyz_bright(clr) |
| 306 |
+ |
COLOR clr; |
| 307 |
+ |
{ |
| 308 |
+ |
return(clr[CIEY]); |
| 309 |
+ |
} |
| 310 |
+ |
|
| 311 |
+ |
|
| 312 |
+ |
double (*ourbright)() = rgb_bright; |
| 313 |
+ |
|
| 314 |
+ |
|
| 315 |
|
init() /* perform final setup */ |
| 316 |
|
{ |
| 317 |
< |
double l_colin(), l_expos(); |
| 317 |
> |
double l_colin(), l_expos(), l_ray(), l_psize(); |
| 318 |
|
register int i; |
| 319 |
|
/* define constants */ |
| 320 |
|
varset(vnfiles, ':', (double)nfiles); |
| 327 |
|
} |
| 328 |
|
funset(vbrtexp, 1, ':', l_expos); |
| 329 |
|
funset(vbrtin, 1, '=', l_colin); |
| 330 |
+ |
for (i = 0; i < 6; i++) |
| 331 |
+ |
funset(vray[i], 1, '=', l_ray); |
| 332 |
+ |
funset(vpsize, 1, '=', l_psize); |
| 333 |
+ |
/* set brightness function */ |
| 334 |
+ |
if (!strcmp(ourfmt, CIEFMT)) |
| 335 |
+ |
ourbright = xyz_bright; |
| 336 |
|
} |
| 337 |
|
|
| 338 |
|
|
| 408 |
|
input[i].scan[0] = st; |
| 409 |
|
if (yscan <= MIDSCN) /* hit bottom? */ |
| 410 |
|
continue; |
| 411 |
< |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
| 411 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
| 412 |
|
eputs(input[i].name); |
| 413 |
|
eputs(": read error\n"); |
| 414 |
|
quit(1); |
| 415 |
|
} |
| 416 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
| 417 |
< |
multcolor(st[j], input[i].coef); |
| 416 |
> |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
| 417 |
> |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
| 418 |
> |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
| 419 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
| 420 |
> |
multcolor(st[j], input[i].coef); |
| 421 |
|
} |
| 422 |
|
} |
| 423 |
|
|
| 432 |
|
if (fn < 0 || fn >= nfiles) |
| 433 |
|
return(1.0); |
| 434 |
|
if (nam == vbrtexp) |
| 435 |
< |
return(bright(input[fn].expos)); |
| 435 |
> |
return((*ourbright)(input[fn].expos)); |
| 436 |
|
n = 3; |
| 437 |
|
while (n--) |
| 438 |
|
if (nam == vcolexp[n]) |
| 489 |
|
} |
| 490 |
|
} |
| 491 |
|
if (nam == vbrtin) |
| 492 |
< |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
| 492 |
> |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
| 493 |
|
n = 3; |
| 494 |
|
while (n--) |
| 495 |
|
if (nam == vcolin[n]) |
| 499 |
|
} |
| 500 |
|
|
| 501 |
|
|
| 502 |
+ |
double |
| 503 |
+ |
l_ray(nam) /* return ray origin or direction */ |
| 504 |
+ |
register char *nam; |
| 505 |
+ |
{ |
| 506 |
+ |
static unsigned long ltick[MAXINP]; |
| 507 |
+ |
static FVECT lorg[MAXINP], ldir[MAXINP]; |
| 508 |
+ |
FLOAT loc[2]; |
| 509 |
+ |
double d; |
| 510 |
+ |
int fn; |
| 511 |
+ |
register int i; |
| 512 |
+ |
|
| 513 |
+ |
d = argument(1); |
| 514 |
+ |
if (d > -.5 && d < .5) |
| 515 |
+ |
return((double)nfiles); |
| 516 |
+ |
fn = d - .5; |
| 517 |
+ |
if (fn < 0 || fn >= nfiles) { |
| 518 |
+ |
errno = EDOM; |
| 519 |
+ |
return(0.0); |
| 520 |
+ |
} |
| 521 |
+ |
if (ltick[fn] < eclock) { /* need to compute? */ |
| 522 |
+ |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
| 523 |
+ |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
| 524 |
+ |
if (input[fn].vw.type == 0) |
| 525 |
+ |
errno = EDOM; |
| 526 |
+ |
else { |
| 527 |
+ |
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
| 528 |
+ |
if (viewray(lorg[fn], ldir[fn], |
| 529 |
+ |
&input[fn].vw, loc[0], loc[1]) < 0) |
| 530 |
+ |
errno = ERANGE; |
| 531 |
+ |
ltick[fn] = eclock; |
| 532 |
+ |
} |
| 533 |
+ |
} |
| 534 |
+ |
i = 6; |
| 535 |
+ |
while (i--) |
| 536 |
+ |
if (nam == vray[i]) |
| 537 |
+ |
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
| 538 |
+ |
eputs("Bad call to l_ray()!\n"); |
| 539 |
+ |
quit(1); |
| 540 |
+ |
} |
| 541 |
+ |
|
| 542 |
+ |
|
| 543 |
+ |
double |
| 544 |
+ |
l_psize() /* compute pixel size in steradians */ |
| 545 |
+ |
{ |
| 546 |
+ |
static unsigned long ltick[MAXINP]; |
| 547 |
+ |
static double psize[MAXINP]; |
| 548 |
+ |
FVECT dir0, org1, dir1; |
| 549 |
+ |
FLOAT loc[2]; |
| 550 |
+ |
double d; |
| 551 |
+ |
int fn; |
| 552 |
+ |
|
| 553 |
+ |
d = argument(1); |
| 554 |
+ |
if (d > -.5 && d < .5) |
| 555 |
+ |
return((double)nfiles); |
| 556 |
+ |
fn = d - .5; |
| 557 |
+ |
if (fn < 0 || fn >= nfiles) { |
| 558 |
+ |
errno = EDOM; |
| 559 |
+ |
return(0.0); |
| 560 |
+ |
} |
| 561 |
+ |
if (ltick[fn] < eclock) /* need to compute? */ |
| 562 |
+ |
if (input[fn].vw.type == 0 || input[fn].vw.type == VT_PAR) |
| 563 |
+ |
errno = EDOM; |
| 564 |
+ |
else { |
| 565 |
+ |
errno = 0; |
| 566 |
+ |
dir0[0] = funvalue(vray[3], 1, &d); |
| 567 |
+ |
if (errno) |
| 568 |
+ |
return(0.0); |
| 569 |
+ |
dir0[1] = funvalue(vray[4], 1, &d); |
| 570 |
+ |
if (errno) |
| 571 |
+ |
return(0.0); |
| 572 |
+ |
dir0[2] = funvalue(vray[5], 1, &d); |
| 573 |
+ |
if (errno) |
| 574 |
+ |
return(0.0); |
| 575 |
+ |
pix2loc(loc, &input[fn].rs, xscan+1, ymax-yscan); |
| 576 |
+ |
psize[fn] = 0.0; |
| 577 |
+ |
if (viewray(org1, dir1, |
| 578 |
+ |
&input[fn].vw, loc[0], loc[1]) < 0) |
| 579 |
+ |
errno = ERANGE; |
| 580 |
+ |
else { |
| 581 |
+ |
/* approximate solid angle */ |
| 582 |
+ |
psize[fn] = dist2(dir0, dir1) * input[fn].pa / |
| 583 |
+ |
(1.0 + input[fn].pa*input[fn].pa); |
| 584 |
+ |
ltick[fn] = eclock; |
| 585 |
+ |
} |
| 586 |
+ |
} |
| 587 |
+ |
return(psize[fn]); |
| 588 |
+ |
} |
| 589 |
+ |
|
| 590 |
+ |
|
| 591 |
|
wputs(msg) |
| 592 |
|
char *msg; |
| 593 |
|
{ |
| 603 |
|
} |
| 604 |
|
|
| 605 |
|
|
| 606 |
< |
quit(code) |
| 607 |
< |
int code; |
| 606 |
> |
quit(code) /* exit gracefully */ |
| 607 |
> |
int code; |
| 608 |
|
{ |
| 609 |
+ |
register int i; |
| 610 |
+ |
/* close input files */ |
| 611 |
+ |
for (i = 0; i < nfiles; i++) |
| 612 |
+ |
if (input[i].name == Command) |
| 613 |
+ |
pclose(input[i].fp); |
| 614 |
+ |
else |
| 615 |
+ |
fclose(input[i].fp); |
| 616 |
|
exit(code); |
| 617 |
|
} |