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/* Copyright (c) 1987 Regents of the University of California */ |
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/* Copyright (c) 1991 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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* 7/1/87 |
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*/ |
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#include <stdio.h> |
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#include "standard.h" |
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#include "color.h" |
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#include "font.h" |
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#define MAXLINE 512 /* longest allowable line */ |
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char *fontfile = "/usr/local/lib/ray/helvet.fnt"; /* our font file */ |
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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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COLR bgcolr = WHTCOLR; /* background color */ |
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COLR fgcolr = BLKCOLR; /* foreground color */ |
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typedef unsigned char GLYPH; |
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GLYPH *ourfont[128]; /* our font */ |
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FONT *ourfont; /* our font */ |
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char *libpath; /* library search path */ |
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typedef struct line { |
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char *s; /* line w/o LF */ |
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struct line *next; /* next line up */ |
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LINE *ourtext; /* our text */ |
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int nlines, maxline; /* text dimensions */ |
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char *malloc(), *calloc(); |
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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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double atof(); |
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int an; |
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for (an = 1; an < argc && argv[an][0] == '-'; an++) |
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/* create bit map */ |
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makemap(); |
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/* load font file */ |
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loadfont(); |
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if ((libpath = getenv(ULIBVAR)) == NULL) |
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libpath = DEFPATH; |
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ourfont = getfont(fontfile); |
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/* convert text to bitmap */ |
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maptext(); |
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/* print header */ |
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printargs(argc, argv, stdout); |
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printf("\n\n"); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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/* write out bitmap */ |
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writemap(stdout); |
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} |
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loadfont() /* load the font file */ |
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{ |
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FILE *fp; |
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char *err; |
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int gn, ngv, gv; |
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register GLYPH *g; |
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if ((fp = fopen(fontfile, "r")) == NULL) { |
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fprintf(stderr, "cannot open font file \"%s\"\n", |
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fontfile); |
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exit(1); |
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} |
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while (fscanf(fp, "%d", &gn) == 1) { /* get each glyph */ |
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if (gn < 0 || gn > 127) { |
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err = "illegal"; |
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goto fonterr; |
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} |
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if (ourfont[gn] != NULL) { |
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err = "duplicate"; |
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goto fonterr; |
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} |
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if (fscanf(fp, "%d", &ngv) != 1 || |
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ngv < 0 || ngv > 255) { |
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err = "bad # vertices for"; |
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goto fonterr; |
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} |
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g = (GLYPH *)malloc((2*ngv+1)*sizeof(GLYPH)); |
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if (g == NULL) |
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goto memerr; |
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ourfont[gn] = g; |
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*g++ = ngv; |
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ngv *= 2; |
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while (ngv--) { |
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if (fscanf(fp, "%d", &gv) != 1 || |
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gv < 0 || gv > 255) { |
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err = "bad vertex for"; |
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goto fonterr; |
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} |
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*g++ = gv; |
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} |
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} |
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fclose(fp); |
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return; |
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fonterr: |
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fprintf(stderr, "%s character (%d) in font file \"%s\"\n", |
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err, gn, fontfile); |
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exit(1); |
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memerr: |
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fprintf(stderr, "out of memory in loadfont\n"); |
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exit(1); |
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} |
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gettext(fp) /* get text from a file */ |
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FILE *fp; |
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{ |
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for (l = 0, curl = ourtext; curl != NULL; l++, curl = curl->next) |
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for (c = strlen(curl->s)-1; c >= 0; c--) |
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mapglyph(ourfont[curl->s[c]], c, l); |
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mapglyph(ourfont->fg[curl->s[c]&0xff], c, l); |
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} |
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mapglyph(gl, tx0, ty0) /* convert a glyph */ |
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register GLYPH *gl; |
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GLYPH *gl; |
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int tx0, ty0; |
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{ |
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int n; |
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register GORD *gp; |
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int p0[2], p1[2]; |
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if (gl == NULL) |
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return; |
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tx0 <<= 8; ty0 <<= 8; |
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n = *gl++; |
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mapcoord(p0, gl[2*n-2]+tx0, gl[2*n-1]+ty0); |
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n = gl->nverts; |
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gp = gvlist(gl); |
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mapcoord(p0, gp[2*n-2]+tx0, gp[2*n-1]+ty0); |
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while (n--) { |
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mapcoord(p1, gl[0]+tx0, gl[1]+ty0); |
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mapcoord(p1, gp[0]+tx0, gp[1]+ty0); |
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mapedge(p0[0], p0[1], p1[0]-p0[0], p1[1]-p0[1]); |
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p0[0] = p1[0]; p0[1] = p1[1]; |
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gl += 2; |
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gp += 2; |
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} |
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} |
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} |
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} |
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free((char *)scanout); |
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} |
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printargs(ac, av, fp) /* print arguments to a file */ |
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int ac; |
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char **av; |
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FILE *fp; |
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{ |
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while (ac-- > 0) { |
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fputs(*av++, fp); |
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putc(' ', fp); |
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} |
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} |
