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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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|
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#define MAXLINE 512 /* longest allowable line */ |
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|
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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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|
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char *fontfile = "helvet.fnt"; /* our font file */ |
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|
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COLR bgcolr = WHTCOLR; /* background color */ |
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typedef unsigned char GLYPH; |
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|
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< |
GLYPH *ourfont[128]; /* our font */ |
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> |
FONT *ourfont; /* our font */ |
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|
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char *libpath; /* library search path */ |
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|
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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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|
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extern char *getenv(); |
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extern char *malloc(), *calloc(); |
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– |
extern FILE *fropen(); |
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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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|
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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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} |
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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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– |
|
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– |
if ((fp = fropen(fontfile)) == NULL) { |
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– |
fprintf(stderr, "cannot find 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; |
168 |
– |
} |
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– |
if (ourfont[gn] != NULL) { |
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– |
err = "duplicate"; |
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– |
goto fonterr; |
172 |
– |
} |
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– |
if (fscanf(fp, "%d", &ngv) != 1 || |
174 |
– |
ngv < 0 || ngv > 255) { |
175 |
– |
err = "bad # vertices for"; |
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– |
goto fonterr; |
177 |
– |
} |
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– |
g = (GLYPH *)malloc((2*ngv+1)*sizeof(GLYPH)); |
179 |
– |
if (g == NULL) |
180 |
– |
goto memerr; |
181 |
– |
ourfont[gn] = g; |
182 |
– |
*g++ = ngv; |
183 |
– |
ngv *= 2; |
184 |
– |
while (ngv--) { |
185 |
– |
if (fscanf(fp, "%d", &gv) != 1 || |
186 |
– |
gv < 0 || gv > 255) { |
187 |
– |
err = "bad vertex for"; |
188 |
– |
goto fonterr; |
189 |
– |
} |
190 |
– |
*g++ = gv; |
191 |
– |
} |
192 |
– |
} |
193 |
– |
fclose(fp); |
194 |
– |
return; |
195 |
– |
fonterr: |
196 |
– |
fprintf(stderr, "%s character (%d) in font file \"%s\"\n", |
197 |
– |
err, gn, fontfile); |
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– |
exit(1); |
199 |
– |
memerr: |
200 |
– |
fprintf(stderr, "out of memory in loadfont\n"); |
201 |
– |
exit(1); |
202 |
– |
} |
203 |
– |
|
204 |
– |
|
164 |
|
gettext(fp) /* get text from a file */ |
165 |
|
FILE *fp; |
166 |
|
{ |
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|
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|
for (l = 0, curl = ourtext; curl != NULL; l++, curl = curl->next) |
232 |
|
for (c = strlen(curl->s)-1; c >= 0; c--) |
233 |
< |
mapglyph(ourfont[curl->s[c]], c, l); |
233 |
> |
mapglyph(ourfont->fg[curl->s[c]&0xff], c, l); |
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} |
235 |
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|
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|
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mapglyph(gl, tx0, ty0) /* convert a glyph */ |
238 |
< |
register GLYPH *gl; |
238 |
> |
GLYPH *gl; |
239 |
|
int tx0, ty0; |
240 |
|
{ |
241 |
|
int n; |
242 |
+ |
register GORD *gp; |
243 |
|
int p0[2], p1[2]; |
244 |
|
|
245 |
|
if (gl == NULL) |
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|
return; |
247 |
|
|
248 |
|
tx0 <<= 8; ty0 <<= 8; |
249 |
< |
n = *gl++; |
250 |
< |
mapcoord(p0, gl[2*n-2]+tx0, gl[2*n-1]+ty0); |
249 |
> |
n = gl->nverts; |
250 |
> |
gp = gvlist(gl); |
251 |
> |
mapcoord(p0, gp[2*n-2]+tx0, gp[2*n-1]+ty0); |
252 |
|
while (n--) { |
253 |
< |
mapcoord(p1, gl[0]+tx0, gl[1]+ty0); |
253 |
> |
mapcoord(p1, gp[0]+tx0, gp[1]+ty0); |
254 |
|
mapedge(p0[0], p0[1], p1[0]-p0[0], p1[1]-p0[1]); |
255 |
|
p0[0] = p1[0]; p0[1] = p1[1]; |
256 |
< |
gl += 2; |
256 |
> |
gp += 2; |
257 |
|
} |
258 |
|
} |
259 |
|
|