| 1 |
< |
/* Copyright (c) 1991 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
| 2 |
|
|
| 3 |
|
#ifndef lint |
| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 16 |
|
|
| 17 |
|
#include "font.h" |
| 18 |
|
|
| 19 |
< |
#define MAXLINE 512 /* longest allowable line */ |
| 19 |
> |
#include "paths.h" |
| 20 |
|
|
| 21 |
< |
#ifndef DEFPATH |
| 22 |
< |
#define DEFPATH ":/usr/local/lib/ray" |
| 21 |
> |
#ifndef SSS |
| 22 |
> |
#define SSS 3 /* super-sample size */ |
| 23 |
|
#endif |
| 24 |
– |
#ifndef ULIBVAR |
| 25 |
– |
#define ULIBVAR "RAYPATH" |
| 26 |
– |
#endif |
| 24 |
|
|
| 25 |
+ |
#define MAXLINE 512 /* longest allowable line */ |
| 26 |
+ |
|
| 27 |
|
char *fontfile = "helvet.fnt"; /* our font file */ |
| 28 |
|
|
| 29 |
< |
COLR bgcolr = WHTCOLR; /* background color */ |
| 30 |
< |
COLR fgcolr = BLKCOLR; /* foreground color */ |
| 29 |
> |
COLOR bgcolor = WHTCOLOR; /* background color */ |
| 30 |
> |
COLOR fgcolor = BLKCOLOR; /* foreground color */ |
| 31 |
|
|
| 32 |
|
int direct = 'r'; /* direction (right, up, left, down) */ |
| 33 |
|
|
| 34 |
< |
int cheight = 32; /* character height */ |
| 35 |
< |
double aspect = 1.67; /* height/width character aspect */ |
| 34 |
> |
int cheight = 32*SSS; /* character height */ |
| 35 |
> |
double aspect = 1.67; /* height/width character aspect */ |
| 36 |
> |
double spacing = 0.0; /* character spacing */ |
| 37 |
|
int cwidth; /* computed character width */ |
| 38 |
|
|
| 39 |
|
unsigned char *ourbitmap; /* our output bitmap */ |
| 40 |
|
int xsiz, ysiz; /* bitmap dimensions */ |
| 41 |
|
int xdim; /* size of horizontal scan (bytes) */ |
| 42 |
|
|
| 43 |
< |
#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
| 44 |
< |
#define tstbit(x,y) bitop(x,y,&) |
| 45 |
< |
#define setbit(x,y) bitop(x,y,|=) |
| 46 |
< |
#define clrbit(x,y) bitop(x,y,&=~) |
| 47 |
< |
#define tglbit(x,y) bitop(x,y,^=) |
| 43 |
> |
#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
| 44 |
> |
#define tstbit(x,y) bitop(x,y,&) |
| 45 |
> |
#define setbit(x,y) bitop(x,y,|=) |
| 46 |
> |
#define clrbit(x,y) bitop(x,y,&=~) |
| 47 |
> |
#define tglbit(x,y) bitop(x,y,^=) |
| 48 |
|
|
| 49 |
– |
typedef unsigned char GLYPH; |
| 50 |
– |
|
| 49 |
|
FONT *ourfont; /* our font */ |
| 50 |
|
|
| 51 |
|
char *libpath; /* library search path */ |
| 52 |
|
|
| 53 |
|
typedef struct line { |
| 54 |
|
char *s; /* line w/o LF */ |
| 55 |
+ |
short *sp; /* character spacing */ |
| 56 |
|
struct line *next; /* next line up */ |
| 57 |
|
} LINE; |
| 58 |
|
|
| 59 |
|
LINE *ourtext; /* our text */ |
| 60 |
|
int nlines, maxline; /* text dimensions */ |
| 61 |
+ |
int maxwidth; /* maximum line width (dvi) */ |
| 62 |
|
|
| 63 |
– |
extern char *getenv(); |
| 64 |
– |
extern char *malloc(), *calloc(); |
| 63 |
|
|
| 66 |
– |
|
| 64 |
|
main(argc, argv) |
| 65 |
|
int argc; |
| 66 |
|
char *argv[]; |
| 67 |
|
{ |
| 68 |
|
int an; |
| 69 |
< |
|
| 69 |
> |
#ifdef MSDOS |
| 70 |
> |
setmode(fileno(stdout), O_BINARY); |
| 71 |
> |
#endif |
| 72 |
|
for (an = 1; an < argc && argv[an][0] == '-'; an++) |
| 73 |
|
switch (argv[an][1]) { |
| 74 |
|
case 'c': /* color */ |
| 75 |
|
switch (argv[an][2]) { |
| 76 |
|
case 'f': /* foreground */ |
| 77 |
< |
setcolr(fgcolr, atof(argv[an+1]), |
| 77 |
> |
setcolor(fgcolor, atof(argv[an+1]), |
| 78 |
|
atof(argv[an+2]), |
| 79 |
|
atof(argv[an+3])); |
| 80 |
|
an += 3; |
| 81 |
|
break; |
| 82 |
|
case 'b': /* background */ |
| 83 |
< |
setcolr(bgcolr, atof(argv[an+1]), |
| 83 |
> |
setcolor(bgcolor, atof(argv[an+1]), |
| 84 |
|
atof(argv[an+2]), |
| 85 |
|
atof(argv[an+3])); |
| 86 |
|
an += 3; |
| 104 |
|
goto unkopt; |
| 105 |
|
} |
| 106 |
|
break; |
| 107 |
+ |
case 'x': /* x resolution */ |
| 108 |
+ |
xsiz = atoi(argv[++an])*SSS; |
| 109 |
+ |
break; |
| 110 |
+ |
case 'y': |
| 111 |
+ |
ysiz = atoi(argv[++an])*SSS; |
| 112 |
+ |
break; |
| 113 |
|
case 'h': /* height of characters */ |
| 114 |
< |
cheight = atoi(argv[++an]); |
| 114 |
> |
cheight = atoi(argv[++an])*SSS; |
| 115 |
|
break; |
| 116 |
|
case 'a': /* aspect ratio */ |
| 117 |
|
aspect = atof(argv[++an]); |
| 118 |
|
break; |
| 119 |
+ |
case 's': /* spacing */ |
| 120 |
+ |
spacing = atof(argv[++an]); |
| 121 |
+ |
break; |
| 122 |
|
default:; |
| 123 |
|
unkopt: |
| 124 |
|
fprintf(stderr, "%s: unknown option: %s\n", |
| 125 |
|
argv[0], argv[an]); |
| 126 |
|
exit(1); |
| 127 |
|
} |
| 128 |
+ |
/* load font file */ |
| 129 |
+ |
if ((libpath = getenv(ULIBVAR)) == NULL) |
| 130 |
+ |
libpath = DEFPATH; |
| 131 |
+ |
ourfont = getfont(fontfile); |
| 132 |
|
/* get text */ |
| 133 |
|
if (an == argc) |
| 134 |
|
gettext(stdin); |
| 137 |
|
|
| 138 |
|
/* create bit map */ |
| 139 |
|
makemap(); |
| 128 |
– |
/* load font file */ |
| 129 |
– |
if ((libpath = getenv(ULIBVAR)) == NULL) |
| 130 |
– |
libpath = DEFPATH; |
| 131 |
– |
ourfont = getfont(fontfile); |
| 140 |
|
/* convert text to bitmap */ |
| 141 |
|
maptext(); |
| 142 |
|
/* print header */ |
| 152 |
|
|
| 153 |
|
makemap() /* create the bit map */ |
| 154 |
|
{ |
| 155 |
< |
cwidth = cheight/aspect + 0.5; |
| 155 |
> |
double pictaspect; |
| 156 |
> |
|
| 157 |
|
if (direct == 'r' || direct == 'l') { |
| 158 |
< |
xsiz = maxline*cwidth; |
| 159 |
< |
ysiz = nlines*cheight; |
| 158 |
> |
if (xsiz <= 0) { |
| 159 |
> |
cwidth = cheight/aspect + 0.5; |
| 160 |
> |
xsiz = (long)maxwidth*cwidth >> 8; |
| 161 |
> |
ysiz = nlines*cheight; |
| 162 |
> |
} else if (aspect > FTINY) { |
| 163 |
> |
if (ysiz <= 0) |
| 164 |
> |
ysiz = cheight*nlines; |
| 165 |
> |
pictaspect = 256*nlines*aspect/maxwidth; |
| 166 |
> |
if (pictaspect*xsiz < ysiz) |
| 167 |
> |
ysiz = pictaspect*xsiz + 0.5; |
| 168 |
> |
else |
| 169 |
> |
xsiz = ysiz/pictaspect + 0.5; |
| 170 |
> |
cheight = ysiz/nlines; |
| 171 |
> |
cwidth = cheight/aspect; |
| 172 |
> |
} else { |
| 173 |
> |
if (ysiz <= 0) |
| 174 |
> |
ysiz = cheight*nlines; |
| 175 |
> |
pictaspect = (double)ysiz/xsiz; |
| 176 |
> |
aspect = pictaspect*maxwidth/(256*nlines); |
| 177 |
> |
cheight = ysiz/nlines; |
| 178 |
> |
cwidth = cheight/aspect; |
| 179 |
> |
} |
| 180 |
|
} else { /* reverse orientation */ |
| 181 |
< |
xsiz = nlines*cheight; |
| 182 |
< |
ysiz = maxline*cwidth; |
| 181 |
> |
if (ysiz <= 0) { |
| 182 |
> |
cwidth = cheight/aspect + 0.5; |
| 183 |
> |
xsiz = nlines*cheight; |
| 184 |
> |
ysiz = (long)maxwidth*cwidth >> 8; |
| 185 |
> |
} else if (aspect > FTINY) { |
| 186 |
> |
if (xsiz <= 0) |
| 187 |
> |
xsiz = cheight*nlines; |
| 188 |
> |
pictaspect = maxwidth/(256*nlines*aspect); |
| 189 |
> |
if (pictaspect*xsiz < ysiz) |
| 190 |
> |
ysiz = pictaspect*xsiz + 0.5; |
| 191 |
> |
else |
| 192 |
> |
xsiz = ysiz/pictaspect + 0.5; |
| 193 |
> |
cheight = xsiz/nlines; |
| 194 |
> |
cwidth = cheight/aspect; |
| 195 |
> |
} else { |
| 196 |
> |
if (xsiz <= 0) |
| 197 |
> |
xsiz = cheight*nlines; |
| 198 |
> |
pictaspect = (double)ysiz/xsiz; |
| 199 |
> |
aspect = maxwidth/(256*nlines*pictaspect); |
| 200 |
> |
cheight = xsiz/nlines; |
| 201 |
> |
cwidth = cheight/aspect; |
| 202 |
> |
} |
| 203 |
|
} |
| 204 |
+ |
if (xsiz % SSS) |
| 205 |
+ |
xsiz += SSS - xsiz%SSS; |
| 206 |
+ |
if (ysiz % SSS) |
| 207 |
+ |
ysiz += SSS - ysiz%SSS; |
| 208 |
|
xdim = (xsiz+7)/8; |
| 209 |
< |
ourbitmap = (BYTE *)calloc(ysiz, xdim); |
| 210 |
< |
if (ourbitmap == NULL) { |
| 211 |
< |
fprintf(stderr, "out of memory in makemap\n"); |
| 212 |
< |
exit(1); |
| 160 |
< |
} |
| 209 |
> |
ourbitmap = (BYTE *)bmalloc(ysiz*xdim); |
| 210 |
> |
if (ourbitmap == NULL) |
| 211 |
> |
error(SYSTEM, "Out of memory in makemap"); |
| 212 |
> |
bzero((char *)ourbitmap, ysiz*xdim); |
| 213 |
|
} |
| 214 |
|
|
| 215 |
|
|
| 222 |
|
int len; |
| 223 |
|
|
| 224 |
|
maxline = 0; |
| 225 |
+ |
maxwidth = 0; |
| 226 |
|
nlines = 0; |
| 227 |
|
while (fgets(buf, MAXLINE, fp) != NULL) { |
| 228 |
|
curl = (LINE *)malloc(sizeof(LINE)); |
| 229 |
|
if (curl == NULL) |
| 230 |
|
goto memerr; |
| 231 |
|
len = strlen(buf); |
| 232 |
< |
curl->s = malloc(len--); |
| 233 |
< |
if (curl->s == NULL) |
| 232 |
> |
curl->s = malloc(len); |
| 233 |
> |
curl->sp = (short *)malloc(sizeof(short)*len--); |
| 234 |
> |
if (curl->s == NULL | curl->sp == NULL) |
| 235 |
|
goto memerr; |
| 236 |
+ |
if (len > maxline) |
| 237 |
+ |
maxline = len; |
| 238 |
|
strncpy(curl->s, buf, len); |
| 239 |
|
curl->s[len] = '\0'; |
| 240 |
+ |
if (spacing < -1./256.) |
| 241 |
+ |
len = squeeztext(curl->sp, curl->s, ourfont, |
| 242 |
+ |
(int)(spacing*-256.)); |
| 243 |
+ |
else if (spacing > 1./256.) |
| 244 |
+ |
len = proptext(curl->sp, curl->s, ourfont, |
| 245 |
+ |
(int)(spacing*256.), 3); |
| 246 |
+ |
else |
| 247 |
+ |
len = uniftext(curl->sp, curl->s, ourfont); |
| 248 |
+ |
if (len > maxwidth) |
| 249 |
+ |
maxwidth = len; |
| 250 |
|
curl->next = ourtext; |
| 251 |
|
ourtext = curl; |
| 186 |
– |
if (len > maxline) |
| 187 |
– |
maxline = len; |
| 252 |
|
nlines++; |
| 253 |
|
} |
| 254 |
|
return; |
| 255 |
|
memerr: |
| 256 |
< |
fprintf(stderr, "out of memory in gettext\n"); |
| 193 |
< |
exit(1); |
| 256 |
> |
error(SYSTEM, "Out of memory in gettext"); |
| 257 |
|
} |
| 258 |
|
|
| 259 |
|
|
| 277 |
|
*--cp = '\0'; |
| 278 |
|
ourtext->next = NULL; |
| 279 |
|
maxline = strlen(ourtext->s); |
| 280 |
+ |
ourtext->sp = (short *)malloc(sizeof(short)*(maxline+1)); |
| 281 |
+ |
if (ourtext->sp == NULL) |
| 282 |
+ |
goto memerr; |
| 283 |
+ |
if (spacing < -1./256.) |
| 284 |
+ |
maxwidth = squeeztext(ourtext->sp, ourtext->s, ourfont, |
| 285 |
+ |
(int)(spacing*-256.)); |
| 286 |
+ |
else if (spacing > 1./256.) |
| 287 |
+ |
maxwidth = proptext(ourtext->sp, ourtext->s, ourfont, |
| 288 |
+ |
(int)(spacing*256.), 3); |
| 289 |
+ |
else |
| 290 |
+ |
maxwidth = uniftext(ourtext->sp, ourtext->s, ourfont); |
| 291 |
|
nlines = 1; |
| 292 |
|
return; |
| 293 |
|
memerr: |
| 294 |
< |
fprintf(stderr, "out of memory in arg_text\n"); |
| 221 |
< |
exit(1); |
| 294 |
> |
error(SYSTEM, "Out of memory in arg_text"); |
| 295 |
|
} |
| 296 |
|
|
| 297 |
|
|
| 298 |
|
maptext() /* map our text */ |
| 299 |
|
{ |
| 300 |
|
register LINE *curl; |
| 301 |
< |
int l; |
| 302 |
< |
register int c; |
| 301 |
> |
int l, len; |
| 302 |
> |
register int i, c; |
| 303 |
|
|
| 304 |
< |
for (l = 0, curl = ourtext; curl != NULL; l++, curl = curl->next) |
| 305 |
< |
for (c = strlen(curl->s)-1; c >= 0; c--) |
| 306 |
< |
mapglyph(ourfont->fg[curl->s[c]&0xff], c, l); |
| 304 |
> |
for (l = 0, curl = ourtext; curl != NULL; l += 256, curl = curl->next) { |
| 305 |
> |
len = strlen(curl->s); c = 0; |
| 306 |
> |
for (i = 0; i < len; i++) { |
| 307 |
> |
c += curl->sp[i]; |
| 308 |
> |
mapglyph(ourfont->fg[curl->s[i]&0xff], c, l); |
| 309 |
> |
} |
| 310 |
> |
} |
| 311 |
|
} |
| 312 |
|
|
| 313 |
|
|
| 322 |
|
if (gl == NULL) |
| 323 |
|
return; |
| 324 |
|
|
| 248 |
– |
tx0 <<= 8; ty0 <<= 8; |
| 325 |
|
n = gl->nverts; |
| 326 |
|
gp = gvlist(gl); |
| 327 |
|
mapcoord(p0, gp[2*n-2]+tx0, gp[2*n-1]+ty0); |
| 401 |
|
writemap(fp) /* write out bitmap */ |
| 402 |
|
FILE *fp; |
| 403 |
|
{ |
| 404 |
+ |
COLR pixval[SSS*SSS+1]; /* possible pixel values */ |
| 405 |
+ |
COLOR ctmp0, ctmp1; |
| 406 |
+ |
double d; |
| 407 |
|
COLR *scanout; |
| 408 |
< |
int y; |
| 409 |
< |
register int x; |
| 408 |
> |
int x, y; |
| 409 |
> |
register int i, j; |
| 410 |
> |
int cnt; |
| 411 |
|
register int inglyph; |
| 412 |
|
|
| 413 |
< |
fprintf(fp, "-Y %d +X %d\n", ysiz, xsiz); |
| 413 |
> |
fprintf(fp, "-Y %d +X %d\n", ysiz/SSS, xsiz/SSS); |
| 414 |
|
|
| 415 |
< |
scanout = (COLR *)malloc(xsiz*sizeof(COLR)); |
| 416 |
< |
if (scanout == NULL) { |
| 417 |
< |
fprintf(stderr, "out of memory in writemap\n"); |
| 418 |
< |
exit(1); |
| 415 |
> |
scanout = (COLR *)malloc(xsiz/SSS*sizeof(COLR)); |
| 416 |
> |
if (scanout == NULL) |
| 417 |
> |
error(SYSTEM, "Out of memory in writemap"); |
| 418 |
> |
for (i = 0; i <= SSS*SSS; i++) { /* compute possible values */ |
| 419 |
> |
copycolor(ctmp0, fgcolor); |
| 420 |
> |
d = (double)i/(SSS*SSS); |
| 421 |
> |
scalecolor(ctmp0, d); |
| 422 |
> |
copycolor(ctmp1, bgcolor); |
| 423 |
> |
d = 1.0 - d; |
| 424 |
> |
scalecolor(ctmp1, d); |
| 425 |
> |
addcolor(ctmp0, ctmp1); |
| 426 |
> |
setcolr(pixval[i], colval(ctmp0,RED), |
| 427 |
> |
colval(ctmp0,GRN), colval(ctmp0,BLU)); |
| 428 |
|
} |
| 429 |
< |
for (y = ysiz-1; y >= 0; y--) { |
| 429 |
> |
for (y = ysiz/SSS-1; y >= 0; y--) { |
| 430 |
|
inglyph = 0; |
| 431 |
< |
for (x = 0; x < xsiz; x++) { |
| 432 |
< |
if (tstbit(x, y)) |
| 433 |
< |
inglyph ^= 1; |
| 434 |
< |
if (inglyph) |
| 435 |
< |
copycolr(scanout[x], fgcolr); |
| 436 |
< |
else |
| 437 |
< |
copycolr(scanout[x], bgcolr); |
| 431 |
> |
for (x = 0; x < xsiz/SSS; x++) { |
| 432 |
> |
cnt = 0; |
| 433 |
> |
for (j = 0; j < SSS; j++) |
| 434 |
> |
for (i = 0; i < SSS; i++) { |
| 435 |
> |
if (tstbit(x*SSS+i, y*SSS+j)) |
| 436 |
> |
inglyph ^= 1<<j; |
| 437 |
> |
if (inglyph & 1<<j) |
| 438 |
> |
cnt++; |
| 439 |
> |
} |
| 440 |
> |
copycolr(scanout[x], pixval[cnt]); |
| 441 |
|
} |
| 442 |
< |
if (fwritecolrs(scanout, xsiz, fp) < 0) { |
| 442 |
> |
if (fwritecolrs(scanout, xsiz/SSS, fp) < 0) { |
| 443 |
|
fprintf(stderr, "write error in writemap\n"); |
| 444 |
|
exit(1); |
| 445 |
|
} |