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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 "paths.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 1024 /* maximum number of input files */ |
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#define WINSIZ 127 /* 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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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 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 vbrtout[] = "lo"; |
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char vcolexp[3][4] = {"re", "ge", "be"}; |
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char vbrtexp[] = "le"; |
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char vpixaspect[] = "pa"; |
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|
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char vray[6][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz"}; |
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char vray[7][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz", "T"}; |
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|
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char vpsize[] = "S"; |
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|
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char vnfiles[] = "nfiles"; |
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char vwhteff[] = "WE"; |
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char vxmax[] = "xmax"; |
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char vymax[] = "ymax"; |
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char vxres[] = "xres"; |
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|
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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); |
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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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|
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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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esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
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esupport &= ~(E_OUTCHAN|E_INCHAN); |
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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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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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} |
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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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original = 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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} |
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break; |
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} |
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/* set/get output resolution */ |
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if (!vardefined(vxres)) |
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varset(vxres, ':', (double)xmax); |
194 |
< |
if (!vardefined(vyres)) |
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varset(vyres, ':', (double)ymax); |
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/* get output resolution */ |
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xres = varvalue(vxres) + .5; |
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yres = varvalue(vyres) + .5; |
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if (xres <= 0 || yres <= 0) { |
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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); |
225 |
> |
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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fprtresolu(xres, yres, stdout); |
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/* combine pictures */ |
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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] hdr ..]\n"); |
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quit(1); |
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return 1; /* pro forma return */ |
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} |
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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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> |
static int |
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headline( /* check header line & echo if requested */ |
244 |
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char *s, |
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> |
void *p |
246 |
> |
) |
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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 (isformat(s)) { /* check format */ |
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formatval(fmt, s); |
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wrongformat = strcmp(fmt, COLRFMT); |
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return; /* don't echo */ |
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> |
if (isheadid(s)) /* header id */ |
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> |
return(0); /* don't echo */ |
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> |
if (formatval(fmt, s)) { /* check format */ |
255 |
> |
if (globmatch(ourfmt, fmt)) { |
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> |
wrongformat = 0; |
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strcpy(ourfmt, fmt); |
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> |
} else |
259 |
> |
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
260 |
> |
return(0); /* don't echo */ |
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} |
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if (isexpos(s)) { /* exposure */ |
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d = exposval(s); |
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} else if (iscolcor(s)) { /* color correction */ |
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colcorval(ctmp, s); |
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multcolor(input[nfiles].expos, ctmp); |
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< |
} else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
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> |
} else if (isaspect(s)) |
269 |
> |
input[nfiles].pa *= aspectval(s); |
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> |
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
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gotview++; |
272 |
< |
/* echo line */ |
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putchar('\t'); |
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< |
fputs(s, stdout); |
272 |
> |
|
273 |
> |
if (echoheader) { /* echo line */ |
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> |
putchar('\t'); |
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> |
return(fputs(s, stdout)); |
276 |
> |
} |
277 |
> |
return(0); |
278 |
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} |
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|
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|
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< |
checkfile() /* ready a file */ |
281 |
> |
static void |
282 |
> |
checkfile(void) /* ready a file */ |
283 |
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{ |
284 |
< |
register int i; |
284 |
> |
int i; |
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/* process header */ |
286 |
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gotview = 0; |
287 |
< |
fputs(input[nfiles].name, stdout); |
288 |
< |
fputs(":\n", stdout); |
289 |
< |
getheader(input[nfiles].fp, tputs, NULL); |
290 |
< |
if (wrongformat) { |
287 |
> |
if (echoheader) { |
288 |
> |
fputs(input[nfiles].name, stdout); |
289 |
> |
fputs(":\n", stdout); |
290 |
> |
} |
291 |
> |
getheader(input[nfiles].fp, headline, NULL); |
292 |
> |
if (wrongformat < 0) { |
293 |
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eputs(input[nfiles].name); |
294 |
< |
eputs(": not in Radiance picture format\n"); |
294 |
> |
eputs(": not a Radiance picture\n"); |
295 |
|
quit(1); |
296 |
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} |
297 |
+ |
if (wrongformat > 0) { |
298 |
+ |
wputs(input[nfiles].name); |
299 |
+ |
wputs(": warning -- incompatible picture format\n"); |
300 |
+ |
} |
301 |
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if (!gotview || setview(&input[nfiles].vw) != NULL) |
302 |
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input[nfiles].vw.type = 0; |
303 |
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if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
320 |
|
} |
321 |
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|
322 |
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|
323 |
< |
init() /* perform final setup */ |
323 |
> |
static double |
324 |
> |
rgb_bright( |
325 |
> |
COLOR clr |
326 |
> |
) |
327 |
|
{ |
328 |
< |
double l_colin(), l_expos(), l_ray(); |
329 |
< |
register int i; |
328 |
> |
return(bright(clr)); |
329 |
> |
} |
330 |
> |
|
331 |
> |
|
332 |
> |
static double |
333 |
> |
xyz_bright( |
334 |
> |
COLOR clr |
335 |
> |
) |
336 |
> |
{ |
337 |
> |
return(clr[CIEY]); |
338 |
> |
} |
339 |
> |
|
340 |
> |
|
341 |
> |
double (*ourbright)() = rgb_bright; |
342 |
> |
|
343 |
> |
|
344 |
> |
static void |
345 |
> |
init(void) /* perform final setup */ |
346 |
> |
{ |
347 |
> |
int i; |
348 |
|
/* define constants */ |
349 |
+ |
varset("PI", ':', PI); |
350 |
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varset(vnfiles, ':', (double)nfiles); |
351 |
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varset(vxmax, ':', (double)xmax); |
352 |
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varset(vymax, ':', (double)ymax); |
357 |
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} |
358 |
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funset(vbrtexp, 1, ':', l_expos); |
359 |
|
funset(vbrtin, 1, '=', l_colin); |
360 |
< |
for (i = 0; i < 6; i++) |
360 |
> |
funset(vpixaspect, 1, ':', l_pixaspect); |
361 |
> |
for (i = 0; i < 7; i++) |
362 |
|
funset(vray[i], 1, '=', l_ray); |
363 |
+ |
funset(vpsize, 1, '=', l_psize); |
364 |
+ |
/* set brightness function */ |
365 |
+ |
if (!strcmp(ourfmt, CIEFMT)) { |
366 |
+ |
varset(vwhteff, ':', 1.0); |
367 |
+ |
ourbright = xyz_bright; |
368 |
+ |
} else |
369 |
+ |
varset(vwhteff, ':', WHTEFFICACY); |
370 |
+ |
/* these may be overridden */ |
371 |
+ |
varset(vxres, ':', (double)xmax); |
372 |
+ |
varset(vyres, ':', (double)ymax); |
373 |
|
} |
374 |
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|
375 |
|
|
376 |
< |
combine() /* combine pictures */ |
376 |
> |
static void |
377 |
> |
combine(void) /* combine pictures */ |
378 |
|
{ |
379 |
|
EPNODE *coldef[3], *brtdef; |
380 |
|
COLOR *scanout; |
381 |
|
double d; |
382 |
< |
register int i, j; |
382 |
> |
int i, j; |
383 |
|
/* check defined variables */ |
384 |
|
for (j = 0; j < 3; j++) { |
385 |
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if (vardefined(vcolout[j])) |
400 |
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advance(); |
401 |
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varset(vypos, '=', (double)ypos); |
402 |
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for (xpos = 0; xpos < xres; xpos++) { |
403 |
< |
xscan = (long)xpos*xmax/xres; |
403 |
> |
xscan = (xpos+.5)*xmax/xres; |
404 |
|
varset(vxpos, '=', (double)xpos); |
405 |
|
eclock++; |
406 |
|
if (brtdef != NULL) { |
428 |
|
quit(1); |
429 |
|
} |
430 |
|
} |
431 |
< |
efree(scanout); |
431 |
> |
efree((char *)scanout); |
432 |
|
} |
433 |
|
|
434 |
|
|
435 |
< |
advance() /* read in data for next scanline */ |
435 |
> |
static void |
436 |
> |
advance(void) /* read in data for next scanline */ |
437 |
|
{ |
438 |
|
int ytarget; |
439 |
< |
register COLOR *st; |
440 |
< |
register int i, j; |
439 |
> |
COLOR *st; |
440 |
> |
int i, j; |
441 |
|
|
442 |
< |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
442 |
> |
for (ytarget = (ypos+.5)*ymax/yres; yscan > ytarget; yscan--) |
443 |
|
for (i = 0; i < nfiles; i++) { |
444 |
|
st = input[i].scan[WINSIZ-1]; |
445 |
|
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
452 |
|
eputs(": read error\n"); |
453 |
|
quit(1); |
454 |
|
} |
455 |
< |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
456 |
< |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
380 |
< |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
381 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
382 |
< |
multcolor(st[j], input[i].coef); |
455 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
456 |
> |
multcolor(st[j], input[i].coef); |
457 |
|
} |
458 |
|
} |
459 |
|
|
460 |
|
|
461 |
< |
double |
462 |
< |
l_expos(nam) /* return picture exposure */ |
463 |
< |
register char *nam; |
461 |
> |
static double |
462 |
> |
l_expos( /* return picture exposure */ |
463 |
> |
char *nam |
464 |
> |
) |
465 |
|
{ |
466 |
< |
register int fn, n; |
466 |
> |
int fn, n; |
467 |
> |
double d; |
468 |
|
|
469 |
< |
fn = argument(1) - .5; |
470 |
< |
if (fn < 0 || fn >= nfiles) |
471 |
< |
return(1.0); |
469 |
> |
d = argument(1); |
470 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
471 |
> |
errno = EDOM; |
472 |
> |
return(0.0); |
473 |
> |
} |
474 |
> |
if (d < 0.5) |
475 |
> |
return((double)nfiles); |
476 |
> |
fn = d - 0.5; |
477 |
|
if (nam == vbrtexp) |
478 |
< |
return(bright(input[fn].expos)); |
478 |
> |
return((*ourbright)(input[fn].expos)); |
479 |
|
n = 3; |
480 |
|
while (n--) |
481 |
|
if (nam == vcolexp[n]) |
482 |
|
return(colval(input[fn].expos,n)); |
483 |
|
eputs("Bad call to l_expos()!\n"); |
484 |
|
quit(1); |
485 |
+ |
return 1; /* pro forma return */ |
486 |
|
} |
487 |
|
|
488 |
|
|
489 |
< |
double |
490 |
< |
l_colin(nam) /* return color value for picture */ |
409 |
< |
register char *nam; |
489 |
> |
static double |
490 |
> |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
491 |
|
{ |
492 |
|
int fn; |
412 |
– |
register int n, xoff, yoff; |
493 |
|
double d; |
494 |
|
|
495 |
|
d = argument(1); |
496 |
< |
if (d > -.5 && d < .5) |
496 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
497 |
> |
errno = EDOM; |
498 |
> |
return(0.0); |
499 |
> |
} |
500 |
> |
if (d < 0.5) |
501 |
|
return((double)nfiles); |
502 |
< |
fn = d - .5; |
503 |
< |
if (fn < 0 || fn >= nfiles) { |
502 |
> |
fn = d - 0.5; |
503 |
> |
return(input[fn].pa); |
504 |
> |
} |
505 |
> |
|
506 |
> |
|
507 |
> |
static double |
508 |
> |
l_colin( /* return color value for picture */ |
509 |
> |
char *nam |
510 |
> |
) |
511 |
> |
{ |
512 |
> |
int fn; |
513 |
> |
int n, xoff, yoff; |
514 |
> |
double d; |
515 |
> |
|
516 |
> |
d = argument(1); |
517 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
518 |
|
errno = EDOM; |
519 |
|
return(0.0); |
520 |
|
} |
521 |
+ |
if (d < 0.5) |
522 |
+ |
return((double)nfiles); |
523 |
+ |
fn = d - 0.5; |
524 |
|
xoff = yoff = 0; |
525 |
|
n = nargum(); |
526 |
|
if (n >= 2) { |
552 |
|
} |
553 |
|
} |
554 |
|
if (nam == vbrtin) |
555 |
< |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
555 |
> |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
556 |
|
n = 3; |
557 |
|
while (n--) |
558 |
|
if (nam == vcolin[n]) |
559 |
|
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
560 |
|
eputs("Bad call to l_colin()!\n"); |
561 |
|
quit(1); |
562 |
+ |
return 1; /* pro forma return */ |
563 |
|
} |
564 |
|
|
565 |
|
|
566 |
< |
double |
567 |
< |
l_ray(nam) /* return ray origin or direction */ |
568 |
< |
register char *nam; |
566 |
> |
static double |
567 |
> |
l_ray( /* return ray origin or direction */ |
568 |
> |
char *nam |
569 |
> |
) |
570 |
|
{ |
571 |
< |
static long ltick[MAXINP]; |
571 |
> |
static unsigned long ltick[MAXINP]; |
572 |
|
static FVECT lorg[MAXINP], ldir[MAXINP]; |
573 |
< |
FLOAT loc[2]; |
573 |
> |
static double ldist[MAXINP]; |
574 |
> |
RREAL loc[2]; |
575 |
|
double d; |
576 |
|
int fn; |
577 |
< |
register int i; |
577 |
> |
int i; |
578 |
|
|
579 |
|
d = argument(1); |
580 |
< |
if (d > -.5 && d < .5) |
477 |
< |
return((double)nfiles); |
478 |
< |
fn = d - .5; |
479 |
< |
if (fn < 0 || fn >= nfiles) { |
580 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
581 |
|
errno = EDOM; |
582 |
|
return(0.0); |
583 |
|
} |
584 |
< |
if (ltick[fn] < eclock) { /* need to compute? */ |
584 |
> |
if (d < 0.5) |
585 |
> |
return((double)nfiles); |
586 |
> |
fn = d - 0.5; |
587 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
588 |
|
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
589 |
|
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
590 |
+ |
ldist[fn] = -1.0; |
591 |
|
if (input[fn].vw.type == 0) |
592 |
|
errno = EDOM; |
593 |
|
else { |
594 |
|
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
595 |
< |
if (viewray(lorg[fn], ldir[fn], |
596 |
< |
&input[fn].vw, loc[0], loc[1]) < 0) |
492 |
< |
errno = ERANGE; |
595 |
> |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
596 |
> |
&input[fn].vw, loc[0], loc[1]); |
597 |
|
} |
598 |
|
ltick[fn] = eclock; |
599 |
|
} |
600 |
< |
i = 6; |
600 |
> |
if (nam == vray[i=6]) |
601 |
> |
return(ldist[fn]); |
602 |
|
while (i--) |
603 |
|
if (nam == vray[i]) |
604 |
|
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
605 |
|
eputs("Bad call to l_ray()!\n"); |
606 |
|
quit(1); |
607 |
+ |
return 1; /* pro forma return */ |
608 |
|
} |
609 |
|
|
610 |
|
|
611 |
< |
wputs(msg) |
612 |
< |
char *msg; |
611 |
> |
static double |
612 |
> |
l_psize(char *nm) /* compute pixel size in steradians */ |
613 |
|
{ |
614 |
+ |
static unsigned long ltick[MAXINP]; |
615 |
+ |
static double psize[MAXINP]; |
616 |
+ |
FVECT dir0, org, dirx, diry; |
617 |
+ |
RREAL locx[2], locy[2]; |
618 |
+ |
double d; |
619 |
+ |
int fn; |
620 |
+ |
int i; |
621 |
+ |
|
622 |
+ |
d = argument(1); |
623 |
+ |
if (d <= -0.5 || d >= nfiles+0.5) { |
624 |
+ |
errno = EDOM; |
625 |
+ |
return(0.0); |
626 |
+ |
} |
627 |
+ |
if (d < 0.5) |
628 |
+ |
return((double)nfiles); |
629 |
+ |
fn = d - 0.5; |
630 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
631 |
+ |
psize[fn] = 0.0; |
632 |
+ |
if (input[fn].vw.type == 0) |
633 |
+ |
errno = EDOM; |
634 |
+ |
else if (input[fn].vw.type != VT_PAR && |
635 |
+ |
funvalue(vray[6], 1, &d) >= -FTINY) { |
636 |
+ |
for (i = 0; i < 3; i++) |
637 |
+ |
dir0[i] = funvalue(vray[3+i], 1, &d); |
638 |
+ |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
639 |
+ |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
640 |
+ |
if (viewray(org, dirx, &input[fn].vw, |
641 |
+ |
locx[0], locx[1]) >= -FTINY && |
642 |
+ |
viewray(org, diry, &input[fn].vw, |
643 |
+ |
locy[0], locy[1]) >= -FTINY) { |
644 |
+ |
/* approximate solid angle */ |
645 |
+ |
for (i = 0; i < 3; i++) { |
646 |
+ |
dirx[i] -= dir0[i]; |
647 |
+ |
diry[i] -= dir0[i]; |
648 |
+ |
} |
649 |
+ |
fcross(dir0, dirx, diry); |
650 |
+ |
psize[fn] = VLEN(dir0); |
651 |
+ |
} |
652 |
+ |
} |
653 |
+ |
ltick[fn] = eclock; |
654 |
+ |
} |
655 |
+ |
return(psize[fn]); |
656 |
+ |
} |
657 |
+ |
|
658 |
+ |
|
659 |
+ |
extern void |
660 |
+ |
wputs(char *msg) |
661 |
+ |
{ |
662 |
|
if (!nowarn) |
663 |
|
eputs(msg); |
664 |
|
} |
665 |
|
|
666 |
|
|
667 |
< |
eputs(msg) |
668 |
< |
char *msg; |
667 |
> |
extern void |
668 |
> |
eputs(char *msg) |
669 |
|
{ |
670 |
|
fputs(msg, stderr); |
671 |
|
} |
672 |
|
|
673 |
|
|
674 |
< |
quit(code) /* exit gracefully */ |
675 |
< |
int code; |
674 |
> |
extern void |
675 |
> |
quit(int code) /* exit gracefully */ |
676 |
|
{ |
677 |
< |
register int i; |
677 |
> |
int i; |
678 |
|
/* close input files */ |
679 |
|
for (i = 0; i < nfiles; i++) |
680 |
|
if (input[i].name == Command) |