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/* Copyright (c) 1991 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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|
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#include <stdio.h> |
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|
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#include <errno.h> |
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|
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#include "platform.h" |
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#include "rtprocess.h" |
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#include "rterror.h" |
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#include "rtmisc.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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#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 */ |
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#define MIDSCN 4 /* current scan position */ |
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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 *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 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 vbrtin[] = "li"; |
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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[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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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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static gethfunc tabputs; |
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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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main(argc, argv) |
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int argc; |
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char *argv[]; |
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|
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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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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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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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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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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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} |
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else { |
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if (argv[a][0] == '!') { |
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input[nfiles].name = "<Command>"; |
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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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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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} |
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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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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] [ [-s f][-c r g b] pic ..]\n"); |
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" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
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quit(1); |
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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; |
238 |
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static int |
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tabputs( /* put out string preceded by a tab */ |
240 |
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char *s, |
241 |
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void *p |
242 |
> |
) |
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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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|
248 |
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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 */ |
249 |
> |
return(0); /* don't echo */ |
250 |
> |
if (formatval(fmt, s)) { /* check format */ |
251 |
> |
if (globmatch(ourfmt, fmt)) { |
252 |
> |
wrongformat = 0; |
253 |
> |
strcpy(ourfmt, fmt); |
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} else |
255 |
> |
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
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> |
return(0); /* don't echo */ |
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} |
258 |
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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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} |
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} else if (isaspect(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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return(fputs(s, stdout)); |
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} |
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|
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|
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checkfile() /* ready a file */ |
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static void |
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checkfile(void) /* ready a file */ |
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{ |
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int xinp, yinp; |
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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) { |
282 |
> |
getheader(input[nfiles].fp, tabputs, NULL); |
283 |
> |
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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} |
288 |
< |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) < 0) { |
288 |
> |
if (wrongformat > 0) { |
289 |
> |
wputs(input[nfiles].name); |
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> |
wputs(": warning -- incompatible picture format\n"); |
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> |
} |
292 |
> |
if (!gotview || setview(&input[nfiles].vw) != NULL) |
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> |
input[nfiles].vw.type = 0; |
294 |
> |
if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
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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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} |
299 |
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if (xmax == 0 && ymax == 0) { |
300 |
< |
xmax = xinp; |
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< |
ymax = yinp; |
302 |
< |
} else if (xinp != xmax || yinp != ymax) { |
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> |
xmax = scanlen(&input[nfiles].rs); |
301 |
> |
ymax = numscans(&input[nfiles].rs); |
302 |
> |
} else if (scanlen(&input[nfiles].rs) != xmax || |
303 |
> |
numscans(&input[nfiles].rs) != ymax) { |
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eputs(input[nfiles].name); |
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eputs(": resolution mismatch\n"); |
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quit(1); |
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} |
312 |
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|
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|
314 |
< |
init() /* perform final setup */ |
314 |
> |
static double |
315 |
> |
rgb_bright( |
316 |
> |
COLOR clr |
317 |
> |
) |
318 |
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{ |
319 |
< |
double l_colin(), l_expos(); |
319 |
> |
return(bright(clr)); |
320 |
> |
} |
321 |
> |
|
322 |
> |
|
323 |
> |
static double |
324 |
> |
xyz_bright( |
325 |
> |
COLOR clr |
326 |
> |
) |
327 |
> |
{ |
328 |
> |
return(clr[CIEY]); |
329 |
> |
} |
330 |
> |
|
331 |
> |
|
332 |
> |
double (*ourbright)() = rgb_bright; |
333 |
> |
|
334 |
> |
|
335 |
> |
static void |
336 |
> |
init(void) /* perform final setup */ |
337 |
> |
{ |
338 |
> |
double l_colin(char *), l_expos(char *), l_pixaspect(char *), |
339 |
> |
l_ray(char *), l_psize(char *); |
340 |
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register int i; |
341 |
|
/* define constants */ |
342 |
+ |
varset("PI", ':', PI); |
343 |
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varset(vnfiles, ':', (double)nfiles); |
344 |
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varset(vxmax, ':', (double)xmax); |
345 |
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varset(vymax, ':', (double)ymax); |
350 |
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} |
351 |
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funset(vbrtexp, 1, ':', l_expos); |
352 |
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funset(vbrtin, 1, '=', l_colin); |
353 |
+ |
funset(vpixaspect, 1, ':', l_pixaspect); |
354 |
+ |
for (i = 0; i < 7; i++) |
355 |
+ |
funset(vray[i], 1, '=', l_ray); |
356 |
+ |
funset(vpsize, 1, '=', l_psize); |
357 |
+ |
/* set brightness function */ |
358 |
+ |
if (!strcmp(ourfmt, CIEFMT)) { |
359 |
+ |
varset(vwhteff, ':', 1.0); |
360 |
+ |
ourbright = xyz_bright; |
361 |
+ |
} else |
362 |
+ |
varset(vwhteff, ':', WHTEFFICACY); |
363 |
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} |
364 |
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|
365 |
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|
366 |
< |
combine() /* combine pictures */ |
366 |
> |
static void |
367 |
> |
combine(void) /* combine pictures */ |
368 |
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{ |
369 |
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EPNODE *coldef[3], *brtdef; |
370 |
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COLOR *scanout; |
418 |
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quit(1); |
419 |
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} |
420 |
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} |
421 |
< |
efree(scanout); |
421 |
> |
efree((char *)scanout); |
422 |
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} |
423 |
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|
424 |
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|
425 |
< |
advance() /* read in data for next scanline */ |
425 |
> |
static void |
426 |
> |
advance(void) /* read in data for next scanline */ |
427 |
|
{ |
428 |
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int ytarget; |
429 |
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register COLOR *st; |
437 |
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input[i].scan[0] = st; |
438 |
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if (yscan <= MIDSCN) /* hit bottom? */ |
439 |
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continue; |
440 |
< |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
440 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
441 |
|
eputs(input[i].name); |
442 |
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eputs(": read error\n"); |
443 |
|
quit(1); |
444 |
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} |
445 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
446 |
< |
multcolor(st[j], input[i].coef); |
445 |
> |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
446 |
> |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
447 |
> |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
448 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
449 |
> |
multcolor(st[j], input[i].coef); |
450 |
|
} |
451 |
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} |
452 |
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|
453 |
|
|
454 |
< |
double |
455 |
< |
l_expos(nam) /* return picture exposure */ |
456 |
< |
register char *nam; |
454 |
> |
static double |
455 |
> |
l_expos( /* return picture exposure */ |
456 |
> |
register char *nam |
457 |
> |
) |
458 |
|
{ |
459 |
|
register int fn, n; |
460 |
|
|
462 |
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if (fn < 0 || fn >= nfiles) |
463 |
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return(1.0); |
464 |
|
if (nam == vbrtexp) |
465 |
< |
return(bright(input[fn].expos)); |
465 |
> |
return((*ourbright)(input[fn].expos)); |
466 |
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n = 3; |
467 |
|
while (n--) |
468 |
|
if (nam == vcolexp[n]) |
469 |
|
return(colval(input[fn].expos,n)); |
470 |
|
eputs("Bad call to l_expos()!\n"); |
471 |
|
quit(1); |
472 |
+ |
return 1; /* pro forma return */ |
473 |
|
} |
474 |
|
|
475 |
|
|
476 |
< |
double |
477 |
< |
l_colin(nam) /* return color value for picture */ |
382 |
< |
register char *nam; |
476 |
> |
static double |
477 |
> |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
478 |
|
{ |
479 |
+ |
register int fn; |
480 |
+ |
|
481 |
+ |
fn = argument(1) - .5; |
482 |
+ |
if (fn < 0 || fn >= nfiles) |
483 |
+ |
return(1.0); |
484 |
+ |
return(input[fn].pa); |
485 |
+ |
} |
486 |
+ |
|
487 |
+ |
|
488 |
+ |
static double |
489 |
+ |
l_colin( /* return color value for picture */ |
490 |
+ |
register char *nam |
491 |
+ |
) |
492 |
+ |
{ |
493 |
|
int fn; |
494 |
|
register int n, xoff, yoff; |
495 |
|
double d; |
496 |
|
|
497 |
< |
d = argument(1); |
389 |
< |
if (d > -.5 && d < .5) |
390 |
< |
return((double)nfiles); |
391 |
< |
fn = d - .5; |
497 |
> |
fn = argument(1) - .5; |
498 |
|
if (fn < 0 || fn >= nfiles) { |
499 |
|
errno = EDOM; |
500 |
|
return(0.0); |
530 |
|
} |
531 |
|
} |
532 |
|
if (nam == vbrtin) |
533 |
< |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
533 |
> |
return((*ourbright)(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
534 |
|
n = 3; |
535 |
|
while (n--) |
536 |
|
if (nam == vcolin[n]) |
537 |
|
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
538 |
|
eputs("Bad call to l_colin()!\n"); |
539 |
|
quit(1); |
540 |
+ |
return 1; /* pro forma return */ |
541 |
|
} |
542 |
|
|
543 |
|
|
544 |
< |
wputs(msg) |
545 |
< |
char *msg; |
544 |
> |
static double |
545 |
> |
l_ray( /* return ray origin or direction */ |
546 |
> |
register char *nam |
547 |
> |
) |
548 |
|
{ |
549 |
+ |
static unsigned long ltick[MAXINP]; |
550 |
+ |
static FVECT lorg[MAXINP], ldir[MAXINP]; |
551 |
+ |
static double ldist[MAXINP]; |
552 |
+ |
RREAL loc[2]; |
553 |
+ |
int fn; |
554 |
+ |
register int i; |
555 |
+ |
|
556 |
+ |
fn = argument(1) - .5; |
557 |
+ |
if (fn < 0 || fn >= nfiles) { |
558 |
+ |
errno = EDOM; |
559 |
+ |
return(0.0); |
560 |
+ |
} |
561 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
562 |
+ |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
563 |
+ |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
564 |
+ |
ldist[fn] = -1.0; |
565 |
+ |
if (input[fn].vw.type == 0) |
566 |
+ |
errno = EDOM; |
567 |
+ |
else { |
568 |
+ |
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
569 |
+ |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
570 |
+ |
&input[fn].vw, loc[0], loc[1]); |
571 |
+ |
} |
572 |
+ |
ltick[fn] = eclock; |
573 |
+ |
} |
574 |
+ |
if (nam == vray[i=6]) |
575 |
+ |
return(ldist[fn]); |
576 |
+ |
while (i--) |
577 |
+ |
if (nam == vray[i]) |
578 |
+ |
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
579 |
+ |
eputs("Bad call to l_ray()!\n"); |
580 |
+ |
quit(1); |
581 |
+ |
return 1; /* pro forma return */ |
582 |
+ |
} |
583 |
+ |
|
584 |
+ |
|
585 |
+ |
static double |
586 |
+ |
l_psize(char *nm) /* compute pixel size in steradians */ |
587 |
+ |
{ |
588 |
+ |
static unsigned long ltick[MAXINP]; |
589 |
+ |
static double psize[MAXINP]; |
590 |
+ |
FVECT dir0, org, dirx, diry; |
591 |
+ |
RREAL locx[2], locy[2]; |
592 |
+ |
double d; |
593 |
+ |
int fn; |
594 |
+ |
register int i; |
595 |
+ |
|
596 |
+ |
d = argument(1); |
597 |
+ |
if (d < .5 || d >= nfiles+.5) { |
598 |
+ |
errno = EDOM; |
599 |
+ |
return(0.0); |
600 |
+ |
} |
601 |
+ |
fn = d - .5; |
602 |
+ |
if (ltick[fn] != eclock) { /* need to compute? */ |
603 |
+ |
psize[fn] = 0.0; |
604 |
+ |
if (input[fn].vw.type == 0) |
605 |
+ |
errno = EDOM; |
606 |
+ |
else if (input[fn].vw.type != VT_PAR && |
607 |
+ |
funvalue(vray[6], 1, &d) >= 0) { |
608 |
+ |
for (i = 0; i < 3; i++) |
609 |
+ |
dir0[i] = funvalue(vray[3+i], 1, &d); |
610 |
+ |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
611 |
+ |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
612 |
+ |
if (viewray(org, dirx, &input[fn].vw, |
613 |
+ |
locx[0], locx[1]) >= 0 && |
614 |
+ |
viewray(org, diry, &input[fn].vw, |
615 |
+ |
locy[0], locy[1]) >= 0) { |
616 |
+ |
/* approximate solid angle */ |
617 |
+ |
for (i = 0; i < 3; i++) { |
618 |
+ |
dirx[i] -= dir0[i]; |
619 |
+ |
diry[i] -= dir0[i]; |
620 |
+ |
} |
621 |
+ |
fcross(dir0, dirx, diry); |
622 |
+ |
psize[fn] = sqrt(DOT(dir0,dir0)); |
623 |
+ |
} |
624 |
+ |
} |
625 |
+ |
ltick[fn] = eclock; |
626 |
+ |
} |
627 |
+ |
return(psize[fn]); |
628 |
+ |
} |
629 |
+ |
|
630 |
+ |
|
631 |
+ |
extern void |
632 |
+ |
wputs(char *msg) |
633 |
+ |
{ |
634 |
|
if (!nowarn) |
635 |
|
eputs(msg); |
636 |
|
} |
637 |
|
|
638 |
|
|
639 |
< |
eputs(msg) |
640 |
< |
char *msg; |
639 |
> |
extern void |
640 |
> |
eputs(char *msg) |
641 |
|
{ |
642 |
|
fputs(msg, stderr); |
643 |
|
} |
644 |
|
|
645 |
|
|
646 |
< |
quit(code) |
647 |
< |
int code; |
646 |
> |
extern void |
647 |
> |
quit(int code) /* exit gracefully */ |
648 |
|
{ |
649 |
< |
int status; |
650 |
< |
|
651 |
< |
if (code == 0) /* reap any children */ |
652 |
< |
while (wait(&status) != -1) |
653 |
< |
if (code == 0) |
654 |
< |
code = status>>8 & 0xff; |
649 |
> |
register int i; |
650 |
> |
/* close input files */ |
651 |
> |
for (i = 0; i < nfiles; i++) |
652 |
> |
if (input[i].name == Command) |
653 |
> |
pclose(input[i].fp); |
654 |
> |
else |
655 |
> |
fclose(input[i].fp); |
656 |
|
exit(code); |
657 |
|
} |