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* 7/1/87 |
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*/ |
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|
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< |
#include <stdio.h> |
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> |
#include "standard.h" |
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|
| 15 |
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#include "color.h" |
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|
| 17 |
+ |
#include "font.h" |
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+ |
|
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#define MAXLINE 512 /* longest allowable line */ |
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|
| 21 |
+ |
#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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|
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typedef unsigned char GLYPH; |
| 50 |
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|
| 51 |
< |
GLYPH *ourfont[128]; /* our font */ |
| 51 |
> |
FONT *ourfont; /* our font */ |
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|
| 53 |
+ |
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 */ |
| 60 |
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LINE *ourtext; /* our text */ |
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int nlines, maxline; /* text dimensions */ |
| 62 |
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|
| 63 |
+ |
extern char *getenv(); |
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extern char *malloc(), *calloc(); |
| 53 |
– |
extern FILE *fropen(); |
| 65 |
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|
| 66 |
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|
| 67 |
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main(argc, argv) |
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/* create bit map */ |
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makemap(); |
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/* load font file */ |
| 129 |
< |
loadfont(); |
| 129 |
> |
if ((libpath = getenv(ULIBVAR)) == NULL) |
| 130 |
> |
libpath = DEFPATH; |
| 131 |
> |
ourfont = getfont(fontfile); |
| 132 |
|
/* convert text to bitmap */ |
| 133 |
|
maptext(); |
| 134 |
|
/* print header */ |
| 161 |
|
} |
| 162 |
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|
| 163 |
|
|
| 151 |
– |
loadfont() /* load the font file */ |
| 152 |
– |
{ |
| 153 |
– |
FILE *fp; |
| 154 |
– |
char *err; |
| 155 |
– |
int gn, ngv, gv; |
| 156 |
– |
register GLYPH *g; |
| 157 |
– |
|
| 158 |
– |
if ((fp = fropen(fontfile)) == NULL) { |
| 159 |
– |
fprintf(stderr, "cannot find font file \"%s\"\n", |
| 160 |
– |
fontfile); |
| 161 |
– |
exit(1); |
| 162 |
– |
} |
| 163 |
– |
while (fscanf(fp, "%d", &gn) == 1) { /* get each glyph */ |
| 164 |
– |
if (gn < 0 || gn > 127) { |
| 165 |
– |
err = "illegal"; |
| 166 |
– |
goto fonterr; |
| 167 |
– |
} |
| 168 |
– |
if (ourfont[gn] != NULL) { |
| 169 |
– |
err = "duplicate"; |
| 170 |
– |
goto fonterr; |
| 171 |
– |
} |
| 172 |
– |
if (fscanf(fp, "%d", &ngv) != 1 || |
| 173 |
– |
ngv < 0 || ngv > 255) { |
| 174 |
– |
err = "bad # vertices for"; |
| 175 |
– |
goto fonterr; |
| 176 |
– |
} |
| 177 |
– |
g = (GLYPH *)malloc((2*ngv+1)*sizeof(GLYPH)); |
| 178 |
– |
if (g == NULL) |
| 179 |
– |
goto memerr; |
| 180 |
– |
ourfont[gn] = g; |
| 181 |
– |
*g++ = ngv; |
| 182 |
– |
ngv *= 2; |
| 183 |
– |
while (ngv--) { |
| 184 |
– |
if (fscanf(fp, "%d", &gv) != 1 || |
| 185 |
– |
gv < 0 || gv > 255) { |
| 186 |
– |
err = "bad vertex for"; |
| 187 |
– |
goto fonterr; |
| 188 |
– |
} |
| 189 |
– |
*g++ = gv; |
| 190 |
– |
} |
| 191 |
– |
} |
| 192 |
– |
fclose(fp); |
| 193 |
– |
return; |
| 194 |
– |
fonterr: |
| 195 |
– |
fprintf(stderr, "%s character (%d) in font file \"%s\"\n", |
| 196 |
– |
err, gn, fontfile); |
| 197 |
– |
exit(1); |
| 198 |
– |
memerr: |
| 199 |
– |
fprintf(stderr, "out of memory in loadfont\n"); |
| 200 |
– |
exit(1); |
| 201 |
– |
} |
| 202 |
– |
|
| 203 |
– |
|
| 164 |
|
gettext(fp) /* get text from a file */ |
| 165 |
|
FILE *fp; |
| 166 |
|
{ |
| 230 |
|
|
| 231 |
|
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); |
| 234 |
|
} |
| 235 |
|
|
| 236 |
|
|
| 237 |
|
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) |
| 246 |
|
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 |
|
|
