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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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#define MAXINP 1024 /* maximum number of input files */ |
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#define WINSIZ 64 /* scanline window size */ |
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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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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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char StandardInput[] = "<stdin>"; |
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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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} |
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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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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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if (echoheader) { |
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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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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(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 = (ypos+.5)*ymax/yres; yscan > ytarget; yscan--) |
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for (i = 0; i < nfiles; i++) { |
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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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d = argument(1); |
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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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RREAL loc[2]; |
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double d; |
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int fn; |
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register int i; |
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int i; |
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|
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d = argument(1); |
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if (d <= -0.5 || d >= nfiles+0.5) { |
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RREAL locx[2], locy[2]; |
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double d; |
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int fn; |
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register int i; |
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> |
int i; |
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|
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d = argument(1); |
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if (d <= -0.5 || d >= nfiles+0.5) { |
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extern void |
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quit(int code) /* exit gracefully */ |
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{ |
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< |
register int i; |
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int i; |
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/* close input files */ |
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for (i = 0; i < nfiles; i++) |
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if (input[i].name == Command) |