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/* Copyright (c) 1992 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Combine picture files according to calcomp functions. |
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* |
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* 1/4/89 |
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*/ |
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#include "platform.h" |
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#include "standard.h" |
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|
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#include "rtprocess.h" |
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#include "color.h" |
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|
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#include "resolu.h" |
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|
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#include "calcomp.h" |
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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 17 /* scanline window size */ |
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#define MAXINP 512 /* maximum number of input files */ |
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#define WINSIZ 64 /* scanline window size */ |
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#define MIDSCN ((WINSIZ-1)/2+1) |
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|
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struct { |
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char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
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|
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char StandardInput[] = "<stdin>"; |
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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 *progname; /* global argv[0] */ |
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|
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int echoheader = 1; |
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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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static gethfunc headline; |
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> |
static void checkfile(void); |
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> |
static double rgb_bright(COLOR clr); |
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> |
static double xyz_bright(COLOR clr); |
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> |
static void init(void); |
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> |
static void combine(void); |
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> |
static void advance(void); |
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> |
static double l_expos(char *nam); |
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> |
static double l_pixaspect(char *nm); |
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> |
static double l_colin(char *nam); |
86 |
> |
static double l_ray(char *nam); |
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> |
static double l_psize(char *nm); |
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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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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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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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int a; |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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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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case 'w': |
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nowarn = !nowarn; |
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continue; |
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case 'h': |
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echoheader = !echoheader; |
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continue; |
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case 'f': |
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case 'e': |
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a++; |
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break; |
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} |
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newheader("RADIANCE", stdout); /* start header */ |
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fputnow(stdout); |
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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].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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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].name = StandardInput; |
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input[nfiles].fp = stdin; |
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break; |
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case 'o': |
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colval(input[nfiles].expos,GRN); |
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colval(input[nfiles].coef,BLU) /= |
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colval(input[nfiles].expos,BLU); |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
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} |
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nfiles++; |
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original = 0; |
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continue; |
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case 'w': |
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continue; |
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case 'h': |
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continue; |
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case 'f': |
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fcompile(argv[++a]); |
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continue; |
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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] [ [-o][-s f][-c r g b] pic ..]\n"); |
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" [-w][-h][-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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return 1; /* pro forma return */ |
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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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static int |
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headline( /* check header line & echo if requested */ |
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char *s, |
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void *p |
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) |
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{ |
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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 (isheadid(s)) /* header id */ |
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return; /* don't echo */ |
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return(0); /* don't echo */ |
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if (formatval(fmt, s)) { /* check format */ |
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if (globmatch(ourfmt, fmt)) { |
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wrongformat = 0; |
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strcpy(ourfmt, fmt); |
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} else |
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wrongformat = 1; |
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return; /* don't echo */ |
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wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
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return(0); /* don't echo */ |
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} |
263 |
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if (isexpos(s)) { /* exposure */ |
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d = exposval(s); |
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input[nfiles].pa *= aspectval(s); |
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else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
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gotview++; |
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/* echo line */ |
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putchar('\t'); |
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fputs(s, stdout); |
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|
274 |
> |
if (echoheader) { /* echo line */ |
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putchar('\t'); |
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> |
return(fputs(s, stdout)); |
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} |
278 |
> |
return(0); |
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} |
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|
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|
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checkfile() /* ready a file */ |
282 |
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static void |
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checkfile(void) /* ready a file */ |
284 |
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{ |
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register int i; |
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/* process header */ |
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gotview = 0; |
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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, NULL); |
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if (wrongformat) { |
288 |
> |
if (echoheader) { |
289 |
> |
fputs(input[nfiles].name, stdout); |
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> |
fputs(":\n", stdout); |
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> |
} |
292 |
> |
getheader(input[nfiles].fp, headline, NULL); |
293 |
> |
if (wrongformat < 0) { |
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eputs(input[nfiles].name); |
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eputs(": not in Radiance picture format\n"); |
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eputs(": not a Radiance picture\n"); |
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quit(1); |
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} |
298 |
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if (wrongformat > 0) { |
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wputs(input[nfiles].name); |
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wputs(": warning -- incompatible picture format\n"); |
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} |
302 |
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if (!gotview || setview(&input[nfiles].vw) != NULL) |
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input[nfiles].vw.type = 0; |
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if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
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} |
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double |
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rgb_bright(clr) |
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COLOR clr; |
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static double |
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rgb_bright( |
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COLOR clr |
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) |
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{ |
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return(bright(clr)); |
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} |
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|
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|
333 |
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double |
334 |
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xyz_bright(clr) |
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COLOR clr; |
333 |
> |
static double |
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xyz_bright( |
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COLOR clr |
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) |
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{ |
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return(clr[CIEY]); |
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} |
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double (*ourbright)() = rgb_bright; |
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|
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init() /* perform final setup */ |
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static void |
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init(void) /* perform final setup */ |
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{ |
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double l_colin(), l_expos(), l_pixaspect(), l_ray(), l_psize(); |
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register int i; |
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/* define constants */ |
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varset("PI", ':', PI); |
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} |
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|
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combine() /* combine pictures */ |
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> |
static void |
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> |
combine(void) /* combine pictures */ |
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{ |
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EPNODE *coldef[3], *brtdef; |
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COLOR *scanout; |
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advance(); |
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varset(vypos, '=', (double)ypos); |
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for (xpos = 0; xpos < xres; xpos++) { |
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< |
xscan = (long)xpos*xmax/xres; |
401 |
> |
xscan = (xpos+.5)*xmax/xres - .4999; |
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varset(vxpos, '=', (double)xpos); |
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eclock++; |
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if (brtdef != NULL) { |
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quit(1); |
427 |
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} |
428 |
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} |
429 |
< |
efree(scanout); |
429 |
> |
efree((char *)scanout); |
430 |
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} |
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|
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|
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< |
advance() /* read in data for next scanline */ |
433 |
> |
static void |
434 |
> |
advance(void) /* read in data for next scanline */ |
435 |
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{ |
436 |
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int ytarget; |
437 |
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register COLOR *st; |
438 |
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register int i, j; |
439 |
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|
440 |
< |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
440 |
> |
for (ytarget = (ypos+.5)*ymax/yres - .4999; yscan > ytarget; yscan--) |
441 |
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for (i = 0; i < nfiles; i++) { |
442 |
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st = input[i].scan[WINSIZ-1]; |
443 |
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for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
450 |
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eputs(": read error\n"); |
451 |
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quit(1); |
452 |
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} |
453 |
< |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
454 |
< |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
425 |
< |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
426 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
427 |
< |
multcolor(st[j], input[i].coef); |
453 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
454 |
> |
multcolor(st[j], input[i].coef); |
455 |
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} |
456 |
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} |
457 |
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|
458 |
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|
459 |
< |
double |
460 |
< |
l_expos(nam) /* return picture exposure */ |
461 |
< |
register char *nam; |
459 |
> |
static double |
460 |
> |
l_expos( /* return picture exposure */ |
461 |
> |
register char *nam |
462 |
> |
) |
463 |
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{ |
464 |
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register int fn, n; |
465 |
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|
474 |
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return(colval(input[fn].expos,n)); |
475 |
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eputs("Bad call to l_expos()!\n"); |
476 |
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quit(1); |
477 |
+ |
return 1; /* pro forma return */ |
478 |
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} |
479 |
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|
480 |
|
|
481 |
< |
double |
482 |
< |
l_pixaspect() /* return pixel aspect ratio */ |
481 |
> |
static double |
482 |
> |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
483 |
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{ |
484 |
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register int fn; |
485 |
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|
490 |
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} |
491 |
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|
492 |
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|
493 |
< |
double |
494 |
< |
l_colin(nam) /* return color value for picture */ |
495 |
< |
register char *nam; |
493 |
> |
static double |
494 |
> |
l_colin( /* return color value for picture */ |
495 |
> |
register char *nam |
496 |
> |
) |
497 |
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{ |
498 |
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int fn; |
499 |
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register int n, xoff, yoff; |
542 |
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return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
543 |
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eputs("Bad call to l_colin()!\n"); |
544 |
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quit(1); |
545 |
+ |
return 1; /* pro forma return */ |
546 |
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} |
547 |
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|
548 |
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|
549 |
< |
double |
550 |
< |
l_ray(nam) /* return ray origin or direction */ |
551 |
< |
register char *nam; |
549 |
> |
static double |
550 |
> |
l_ray( /* return ray origin or direction */ |
551 |
> |
register char *nam |
552 |
> |
) |
553 |
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{ |
554 |
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static unsigned long ltick[MAXINP]; |
555 |
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static FVECT lorg[MAXINP], ldir[MAXINP]; |
556 |
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static double ldist[MAXINP]; |
557 |
< |
FLOAT loc[2]; |
557 |
> |
RREAL loc[2]; |
558 |
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int fn; |
559 |
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register int i; |
560 |
|
|
563 |
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errno = EDOM; |
564 |
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return(0.0); |
565 |
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} |
566 |
< |
if (ltick[fn] < eclock) { /* need to compute? */ |
566 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
567 |
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lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
568 |
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ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
569 |
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ldist[fn] = -1.0; |
583 |
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return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
584 |
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eputs("Bad call to l_ray()!\n"); |
585 |
|
quit(1); |
586 |
+ |
return 1; /* pro forma return */ |
587 |
|
} |
588 |
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|
589 |
|
|
590 |
< |
double |
591 |
< |
l_psize() /* compute pixel size in steradians */ |
590 |
> |
static double |
591 |
> |
l_psize(char *nm) /* compute pixel size in steradians */ |
592 |
|
{ |
593 |
|
static unsigned long ltick[MAXINP]; |
594 |
|
static double psize[MAXINP]; |
595 |
|
FVECT dir0, org, dirx, diry; |
596 |
< |
FLOAT locx[2], locy[2]; |
596 |
> |
RREAL locx[2], locy[2]; |
597 |
|
double d; |
598 |
|
int fn; |
599 |
|
register int i; |
604 |
|
return(0.0); |
605 |
|
} |
606 |
|
fn = d - .5; |
607 |
< |
if (ltick[fn] < eclock) { /* need to compute? */ |
607 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
608 |
|
psize[fn] = 0.0; |
609 |
|
if (input[fn].vw.type == 0) |
610 |
|
errno = EDOM; |
611 |
|
else if (input[fn].vw.type != VT_PAR && |
612 |
< |
funvalue(vray[6], 1, &d) >= 0) { |
612 |
> |
funvalue(vray[6], 1, &d) >= -FTINY) { |
613 |
|
for (i = 0; i < 3; i++) |
614 |
|
dir0[i] = funvalue(vray[3+i], 1, &d); |
615 |
|
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
616 |
|
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
617 |
|
if (viewray(org, dirx, &input[fn].vw, |
618 |
< |
locx[0], locx[1]) >= 0 && |
618 |
> |
locx[0], locx[1]) >= -FTINY && |
619 |
|
viewray(org, diry, &input[fn].vw, |
620 |
< |
locy[0], locy[1]) >= 0) { |
620 |
> |
locy[0], locy[1]) >= -FTINY) { |
621 |
|
/* approximate solid angle */ |
622 |
|
for (i = 0; i < 3; i++) { |
623 |
|
dirx[i] -= dir0[i]; |
624 |
|
diry[i] -= dir0[i]; |
625 |
|
} |
626 |
|
fcross(dir0, dirx, diry); |
627 |
< |
psize[fn] = 0.5 * sqrt(DOT(dir0,dir0)); |
627 |
> |
psize[fn] = VLEN(dir0); |
628 |
|
} |
629 |
|
} |
630 |
|
ltick[fn] = eclock; |
633 |
|
} |
634 |
|
|
635 |
|
|
636 |
< |
wputs(msg) |
637 |
< |
char *msg; |
636 |
> |
extern void |
637 |
> |
wputs(char *msg) |
638 |
|
{ |
639 |
|
if (!nowarn) |
640 |
|
eputs(msg); |
641 |
|
} |
642 |
|
|
643 |
|
|
644 |
< |
eputs(msg) |
645 |
< |
char *msg; |
644 |
> |
extern void |
645 |
> |
eputs(char *msg) |
646 |
|
{ |
647 |
|
fputs(msg, stderr); |
648 |
|
} |
649 |
|
|
650 |
|
|
651 |
< |
quit(code) /* exit gracefully */ |
652 |
< |
int code; |
651 |
> |
extern void |
652 |
> |
quit(int code) /* exit gracefully */ |
653 |
|
{ |
654 |
|
register int i; |
655 |
|
/* close input files */ |