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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "font.h" |
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#include "paths.h" |
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#ifndef SSS |
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#define SSS 3 /* super-sample size */ |
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#endif |
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#define MAXLINE 512 /* longest allowable line */ |
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#ifndef DEFPATH |
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#define DEFPATH ":/usr/local/lib/ray" |
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#endif |
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#ifndef ULIBVAR |
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#define ULIBVAR "RAYPATH" |
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#endif |
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char *fontfile = "helvet.fnt"; /* our font file */ |
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COLOR bgcolor = WHTCOLOR; /* background color */ |
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int nlines, maxline; /* text dimensions */ |
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int maxwidth; /* maximum line width (dvi) */ |
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extern char *getenv(); |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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goto unkopt; |
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} |
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break; |
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case 'x': /* x resolution */ |
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xsiz = atoi(argv[++an])*SSS; |
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break; |
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case 'y': |
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ysiz = atoi(argv[++an])*SSS; |
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break; |
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case 'h': /* height of characters */ |
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cheight = atoi(argv[++an])*SSS; |
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break; |
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makemap() /* create the bit map */ |
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{ |
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cwidth = cheight/aspect + 0.5; |
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double pictaspect; |
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if (direct == 'r' || direct == 'l') { |
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xsiz = (long)maxwidth*cwidth >> 8; |
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ysiz = nlines*cheight; |
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if (xsiz <= 0) { |
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cwidth = cheight/aspect + 0.5; |
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xsiz = (long)maxwidth*cwidth >> 8; |
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ysiz = nlines*cheight; |
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} else if (aspect > FTINY) { |
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if (ysiz <= 0) |
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ysiz = cheight*nlines; |
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pictaspect = 256*nlines*aspect/maxwidth; |
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if (pictaspect*xsiz < ysiz) |
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ysiz = pictaspect*xsiz + 0.5; |
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else |
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xsiz = ysiz/pictaspect + 0.5; |
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cheight = ysiz/nlines; |
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cwidth = cheight/aspect + 0.5; |
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} else { |
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if (ysiz <= 0) |
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ysiz = cheight*nlines; |
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pictaspect = (double)ysiz/xsiz; |
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aspect = pictaspect*maxwidth/(256*nlines); |
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cheight = ysiz/nlines; |
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cwidth = cheight/aspect + 0.5; |
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} |
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} else { /* reverse orientation */ |
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xsiz = nlines*cheight; |
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ysiz = (long)maxwidth*cwidth >> 8; |
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if (ysiz <= 0) { |
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cwidth = cheight/aspect + 0.5; |
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xsiz = nlines*cheight; |
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ysiz = (long)maxwidth*cwidth >> 8; |
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} else if (aspect > FTINY) { |
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if (xsiz <= 0) |
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xsiz = cheight*nlines; |
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pictaspect = maxwidth/(256*nlines*aspect); |
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if (pictaspect*xsiz < ysiz) |
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ysiz = pictaspect*xsiz + 0.5; |
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else |
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xsiz = ysiz/pictaspect + 0.5; |
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cheight = xsiz/nlines; |
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cwidth = cheight/aspect + 0.5; |
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} else { |
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if (xsiz <= 0) |
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xsiz = cheight*nlines; |
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pictaspect = (double)ysiz/xsiz; |
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aspect = maxwidth/(256*nlines*pictaspect); |
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cheight = xsiz/nlines; |
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cwidth = cheight/aspect + 0.5; |
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} |
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} |
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if (xsiz % SSS) |
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xsiz += SSS - xsiz%SSS; |
