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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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#ifndef SSS |
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#define SSS 3 /* super-sample size */ |
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#endif |
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#include "paths.h" |
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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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#ifndef SSS |
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#define SSS 3 /* super-sample size */ |
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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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#define MAXLINE 512 /* longest allowable line */ |
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|
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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 direct = 'r'; /* direction (right, up, left, down) */ |
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int cheight = 32*SSS; /* character height */ |
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double aspect = 1.67; /* height/width character aspect */ |
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double spacing = 0.0; /* character spacing */ |
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double aspect = 1.67; /* height/width character aspect */ |
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double spacing = 0.0; /* character spacing */ |
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int cwidth; /* computed character width */ |
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unsigned char *ourbitmap; /* our output bitmap */ |
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int xsiz, ysiz; /* bitmap dimensions */ |
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int xdim; /* size of horizontal scan (bytes) */ |
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|
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#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
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#define tstbit(x,y) bitop(x,y,&) |
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#define setbit(x,y) bitop(x,y,|=) |
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#define clrbit(x,y) bitop(x,y,&=~) |
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#define tglbit(x,y) bitop(x,y,^=) |
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#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
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#define tstbit(x,y) bitop(x,y,&) |
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#define setbit(x,y) bitop(x,y,|=) |
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#define clrbit(x,y) bitop(x,y,&=~) |
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#define tglbit(x,y) bitop(x,y,^=) |
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FONT *ourfont; /* our font */ |
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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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extern char *malloc(), *calloc(); |
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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 an; |
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#ifdef MSDOS |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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for (an = 1; an < argc && argv[an][0] == '-'; an++) |
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switch (argv[an][1]) { |
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case 'c': /* color */ |
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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; |
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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; |
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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; |
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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; |
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} |
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} |
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if (xsiz % SSS) |
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xsiz += SSS - xsiz%SSS; |
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if (ysiz % SSS) |
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ysiz += SSS - ysiz%SSS; |
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xdim = (xsiz+7)/8; |
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ourbitmap = (BYTE *)calloc(ysiz, xdim); |
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ourbitmap = (BYTE *)bmalloc(ysiz*xdim); |
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if (ourbitmap == NULL) |
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error(SYSTEM, "Out of memory in makemap"); |
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bzero((char *)ourbitmap, ysiz*xdim); |
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} |
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curl->s[len] = '\0'; |
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if (spacing < -1./256.) |
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len = squeeztext(curl->sp, curl->s, ourfont, |
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(int)(spacing*-256.0)); |
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(int)(spacing*-256.)); |
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else if (spacing > 1./256.) |
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len = proptext(curl->sp, curl->s, ourfont, |
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(int)(spacing*256.0), 3); |
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(int)(spacing*256.), 3); |
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else |
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len = uniftext(curl->sp, curl->s, ourfont); |
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if (len > maxwidth) |
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ourtext->sp = (short *)malloc(sizeof(short)*(maxline+1)); |
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if (ourtext->sp == NULL) |
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goto memerr; |
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if (spacing < 0.0) |
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if (spacing < -1./256.) |
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maxwidth = squeeztext(ourtext->sp, ourtext->s, ourfont, |
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(int)(spacing*-256.0)); |
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else if (spacing > 0.0) |
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(int)(spacing*-256.)); |
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else if (spacing > 1./256.) |
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maxwidth = proptext(ourtext->sp, ourtext->s, ourfont, |
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(int)(spacing*256.0), 3); |
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(int)(spacing*256.), 3); |
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else |
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maxwidth = uniftext(ourtext->sp, ourtext->s, ourfont); |
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nlines = 1; |
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{ |
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COLR pixval[SSS*SSS+1]; /* possible pixel values */ |
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COLOR ctmp0, ctmp1; |
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double d; |
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double d; |
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COLR *scanout; |
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int x, y; |
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register int i, j; |
