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#include "platform.h" |
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#include "standard.h" |
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#include "rtprocess.h" |
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#include "paths.h" |
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#include "color.h" |
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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 64 /* 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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struct { |
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int nfiles; /* number of input files */ |
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|
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VIEW commvw; /* common view parameters */ |
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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 *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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|
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static gethfunc tabputs; |
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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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int original; |
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double f; |
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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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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); |
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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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if (commvw.type) { |
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fputs(VIEWSTR, stdout); |
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fprintview(&commvw, stdout); |
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fputc('\n', stdout); |
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} |
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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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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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static int |
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tabputs( /* put out string preceded by a tab */ |
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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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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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return(fputs(s, stdout)); |
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|
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if (echoheader) { /* echo line */ |
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putchar('\t'); |
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return(fputs(s, stdout)); |
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} |
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return(0); |
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} |
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|
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static void |
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checkfile(void) /* ready a file */ |
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{ |
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register int i; |
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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, tabputs, NULL); |
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if (echoheader) { |
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fputs(input[nfiles].name, stdout); |
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fputs(":\n", stdout); |
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} |
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getheader(input[nfiles].fp, headline, NULL); |
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if (wrongformat < 0) { |
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eputs(input[nfiles].name); |
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eputs(": not a Radiance picture\n"); |
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} |
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if (!gotview || setview(&input[nfiles].vw) != NULL) |
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input[nfiles].vw.type = 0; |
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else if (!commvw.type) |
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commvw = input[nfiles].vw; |
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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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static void |
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init(void) /* perform final setup */ |
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{ |
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register int i; |
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int i; |
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/* define constants */ |
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varset("PI", ':', PI); |
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varset(vnfiles, ':', (double)nfiles); |
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ourbright = xyz_bright; |
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} else |
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varset(vwhteff, ':', WHTEFFICACY); |
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/* these may be overridden */ |
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varset(vxres, ':', (double)xmax); |
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varset(vyres, ':', (double)ymax); |
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} |
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|
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EPNODE *coldef[3], *brtdef; |
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COLOR *scanout; |
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double d; |
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register int i, j; |
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int i, j; |
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/* check defined variables */ |
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for (j = 0; j < 3; j++) { |
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if (vardefined(vcolout[j])) |
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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; |
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xscan = (xpos+.5)*xmax/xres; |
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varset(vxpos, '=', (double)xpos); |
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eclock++; |
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if (brtdef != NULL) { |
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advance(void) /* read in data for next scanline */ |
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{ |
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int ytarget; |
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register COLOR *st; |
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register int i, j; |
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COLOR *st; |
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int i, j; |
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|
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for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
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for (ytarget = (ypos+.5)*ymax/yres; yscan > ytarget; yscan--) |
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for (i = 0; i < nfiles; i++) { |
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st = input[i].scan[WINSIZ-1]; |
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for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
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|
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static double |
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l_expos( /* return picture exposure */ |
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register char *nam |
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char *nam |
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) |
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{ |
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register int fn, n; |
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int fn, n; |
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double d; |
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|
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fn = argument(1) - .5; |
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if (fn < 0 || fn >= nfiles) |
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return(1.0); |
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d = argument(1); |
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if (d <= -0.5 || d >= nfiles+0.5) { |
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errno = EDOM; |
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return(0.0); |
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} |
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if (d < 0.5) |
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return((double)nfiles); |
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fn = d - 0.5; |
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if (nam == vbrtexp) |
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return((*ourbright)(input[fn].expos)); |
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n = 3; |
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static double |
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l_pixaspect(char *nm) /* return pixel aspect ratio */ |
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{ |
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register int fn; |
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int fn; |
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double d; |
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|
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fn = argument(1) - .5; |
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if (fn < 0 || fn >= nfiles) |
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return(1.0); |
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d = argument(1); |
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if (d <= -0.5 || d >= nfiles+0.5) { |
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errno = EDOM; |
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return(0.0); |
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} |
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if (d < 0.5) |
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return((double)nfiles); |
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fn = d - 0.5; |
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return(input[fn].pa); |
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} |
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|
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|
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static double |
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l_colin( /* return color value for picture */ |
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register char *nam |
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char *nam |
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) |
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{ |
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int fn; |
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register int n, xoff, yoff; |
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> |
int n, xoff, yoff; |
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double d; |
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|
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fn = argument(1) - .5; |
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if (fn < 0 || fn >= nfiles) { |
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d = argument(1); |
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if (d <= -0.5 || d >= nfiles+0.5) { |
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errno = EDOM; |
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return(0.0); |
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} |
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if (d < 0.5) |
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return((double)nfiles); |
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fn = d - 0.5; |
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xoff = yoff = 0; |
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n = nargum(); |
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if (n >= 2) { |
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|
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static double |
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l_ray( /* return ray origin or direction */ |
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register char *nam |
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> |
char *nam |
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) |
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{ |
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static unsigned long ltick[MAXINP]; |
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static FVECT lorg[MAXINP], ldir[MAXINP]; |
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static double ldist[MAXINP]; |
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RREAL loc[2]; |
584 |
+ |
double d; |
585 |
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int fn; |
586 |
< |
register int i; |
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> |
int i; |
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|
588 |
< |
fn = argument(1) - .5; |
589 |
< |
if (fn < 0 || fn >= nfiles) { |
588 |
> |
d = argument(1); |
589 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
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errno = EDOM; |
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return(0.0); |
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} |
593 |
+ |
if (d < 0.5) |
594 |
+ |
return((double)nfiles); |
595 |
+ |
fn = d - 0.5; |
596 |
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if (ltick[fn] != eclock) { /* need to compute? */ |
597 |
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lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
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ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
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RREAL locx[2], locy[2]; |
627 |
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double d; |
628 |
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int fn; |
629 |
< |
register int i; |
629 |
> |
int i; |
630 |
|
|
631 |
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d = argument(1); |
632 |
< |
if (d < .5 || d >= nfiles+.5) { |
632 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
633 |
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errno = EDOM; |
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return(0.0); |
635 |
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} |
636 |
< |
fn = d - .5; |
636 |
> |
if (d < 0.5) |
637 |
> |
return((double)nfiles); |
638 |
> |
fn = d - 0.5; |
639 |
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if (ltick[fn] != eclock) { /* need to compute? */ |
640 |
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psize[fn] = 0.0; |
641 |
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if (input[fn].vw.type == 0) |
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extern void |
684 |
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quit(int code) /* exit gracefully */ |
685 |
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{ |
686 |
< |
register int i; |
686 |
> |
int i; |
687 |
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/* close input files */ |
688 |
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for (i = 0; i < nfiles; i++) |
689 |
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if (input[i].name == Command) |