1 |
– |
/* Copyright (c) 1991 Regents of the University of California */ |
2 |
– |
|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
– |
|
4 |
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/* |
5 |
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* psign.c - produce picture from text. |
6 |
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* |
13 |
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|
14 |
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#include "font.h" |
15 |
|
|
16 |
< |
#define MAXLINE 512 /* longest allowable line */ |
17 |
< |
|
21 |
< |
#ifndef DEFPATH |
22 |
< |
#define DEFPATH ":/usr/local/lib/ray" |
16 |
> |
#ifndef SSS |
17 |
> |
#define SSS 3 /* super-sample size */ |
18 |
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#endif |
24 |
– |
#ifndef ULIBVAR |
25 |
– |
#define ULIBVAR "RAYPATH" |
26 |
– |
#endif |
19 |
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|
20 |
+ |
#define MAXLINE 512 /* longest allowable line */ |
21 |
+ |
|
22 |
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char *fontfile = "helvet.fnt"; /* our font file */ |
23 |
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|
24 |
< |
COLR bgcolr = WHTCOLR; /* background color */ |
25 |
< |
COLR fgcolr = BLKCOLR; /* foreground color */ |
24 |
> |
COLOR bgcolor = WHTCOLOR; /* background color */ |
25 |
> |
COLOR fgcolor = BLKCOLOR; /* foreground color */ |
26 |
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|
27 |
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int direct = 'r'; /* direction (right, up, left, down) */ |
28 |
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|
29 |
< |
int cheight = 32; /* character height */ |
30 |
< |
double aspect = 1.67; /* height/width character aspect */ |
29 |
> |
int cheight = 32*SSS; /* character height */ |
30 |
> |
double aspect = 1.67; /* height/width character aspect */ |
31 |
> |
double spacing = 0.0; /* character spacing */ |
32 |
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int cwidth; /* computed character width */ |
33 |
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|
34 |
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unsigned char *ourbitmap; /* our output bitmap */ |
35 |
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int xsiz, ysiz; /* bitmap dimensions */ |
36 |
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int xdim; /* size of horizontal scan (bytes) */ |
37 |
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|
38 |
< |
#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
39 |
< |
#define tstbit(x,y) bitop(x,y,&) |
40 |
< |
#define setbit(x,y) bitop(x,y,|=) |
41 |
< |
#define clrbit(x,y) bitop(x,y,&=~) |
42 |
< |
#define tglbit(x,y) bitop(x,y,^=) |
38 |
> |
#define bitop(x,y,op) (ourbitmap[(y)*xdim+((x)>>3)] op (1<<((x)&7))) |
39 |
> |
#define tstbit(x,y) bitop(x,y,&) |
40 |
> |
#define setbit(x,y) bitop(x,y,|=) |
41 |
> |
#define clrbit(x,y) bitop(x,y,&=~) |
42 |
> |
#define tglbit(x,y) bitop(x,y,^=) |
43 |
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|
49 |
– |
typedef unsigned char GLYPH; |
50 |
– |
|
44 |
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FONT *ourfont; /* our font */ |
45 |
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|
53 |
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char *libpath; /* library search path */ |
54 |
– |
|
46 |
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typedef struct line { |
47 |
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char *s; /* line w/o LF */ |
48 |
+ |
short *sp; /* character spacing */ |
49 |
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struct line *next; /* next line up */ |
50 |
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} LINE; |
51 |
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|
52 |
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LINE *ourtext; /* our text */ |
53 |
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int nlines, maxline; /* text dimensions */ |
54 |
+ |
int maxwidth; /* maximum line width (dvi) */ |
55 |
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|
63 |
– |
extern char *getenv(); |
64 |
– |
extern char *malloc(), *calloc(); |
56 |
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|
66 |
– |
|
57 |
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main(argc, argv) |
58 |
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int argc; |
59 |
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char *argv[]; |
60 |
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{ |
61 |
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int an; |
62 |
< |
|
62 |
> |
#ifdef MSDOS |
63 |
> |
setmode(fileno(stdout), O_BINARY); |
64 |
> |
#endif |
65 |
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for (an = 1; an < argc && argv[an][0] == '-'; an++) |
66 |
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switch (argv[an][1]) { |
67 |
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case 'c': /* color */ |
68 |
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switch (argv[an][2]) { |
69 |
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case 'f': /* foreground */ |
70 |
< |
setcolr(fgcolr, atof(argv[an+1]), |
70 |
> |
setcolor(fgcolor, atof(argv[an+1]), |
71 |
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atof(argv[an+2]), |
72 |
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atof(argv[an+3])); |
73 |
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an += 3; |
74 |
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break; |
75 |
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case 'b': /* background */ |
76 |
< |
setcolr(bgcolr, atof(argv[an+1]), |
76 |
> |
setcolor(bgcolor, atof(argv[an+1]), |
77 |
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atof(argv[an+2]), |
78 |
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atof(argv[an+3])); |
79 |
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an += 3; |
97 |
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goto unkopt; |
98 |
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} |
99 |
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break; |
100 |
+ |
case 'x': /* x resolution */ |
101 |
+ |
xsiz = atoi(argv[++an])*SSS; |
102 |
+ |
break; |
103 |
+ |
case 'y': |
104 |
+ |
ysiz = atoi(argv[++an])*SSS; |
105 |
+ |
break; |
106 |
|
case 'h': /* height of characters */ |
107 |
< |
cheight = atoi(argv[++an]); |
107 |
> |
cheight = atoi(argv[++an])*SSS; |
108 |
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break; |
109 |
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case 'a': /* aspect ratio */ |
110 |
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aspect = atof(argv[++an]); |
111 |
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break; |
112 |
+ |
case 's': /* spacing */ |
113 |
+ |
spacing = atof(argv[++an]); |
114 |
+ |
break; |
115 |
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default:; |
116 |
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unkopt: |
117 |
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fprintf(stderr, "%s: unknown option: %s\n", |
118 |
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argv[0], argv[an]); |
119 |
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exit(1); |
120 |
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} |
121 |
+ |
/* load font file */ |
122 |
+ |
ourfont = getfont(fontfile); |
123 |
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/* get text */ |
124 |
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if (an == argc) |
125 |
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gettext(stdin); |
128 |
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|
129 |
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/* create bit map */ |
130 |
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makemap(); |
128 |
– |
/* load font file */ |
129 |
– |
if ((libpath = getenv(ULIBVAR)) == NULL) |
130 |
– |
libpath = DEFPATH; |
131 |
– |
ourfont = getfont(fontfile); |
131 |
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/* convert text to bitmap */ |
132 |
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maptext(); |
133 |
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/* print header */ |
134 |
+ |
newheader("RADIANCE", stdout); |
135 |
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printargs(argc, argv, stdout); |
136 |
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fputformat(COLRFMT, stdout); |
137 |
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putchar('\n'); |
144 |
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|
145 |
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makemap() /* create the bit map */ |
146 |
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{ |
147 |
< |
cwidth = cheight/aspect + 0.5; |
147 |
> |
double pictaspect; |
148 |
> |
|
149 |
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if (direct == 'r' || direct == 'l') { |
150 |
< |
xsiz = maxline*cwidth; |
151 |
< |
ysiz = nlines*cheight; |
150 |
> |
if (xsiz <= 0) { |
151 |
> |
cwidth = cheight/aspect + 0.5; |
152 |
> |
xsiz = (long)maxwidth*cwidth >> 8; |
153 |
> |
ysiz = nlines*cheight; |
154 |
> |
} else if (aspect > FTINY) { |
155 |
> |
if (ysiz <= 0) |
156 |
> |
ysiz = cheight*nlines; |
157 |
> |
pictaspect = 256*nlines*aspect/maxwidth; |
158 |
> |
if (pictaspect*xsiz < ysiz) |
159 |
> |
ysiz = pictaspect*xsiz + 0.5; |
160 |
> |
else |
161 |
> |
xsiz = ysiz/pictaspect + 0.5; |
162 |
> |
cheight = ysiz/nlines; |
163 |
> |
cwidth = cheight/aspect; |
164 |
> |
} else { |
165 |
> |
if (ysiz <= 0) |
166 |
> |
ysiz = cheight*nlines; |
167 |
> |
pictaspect = (double)ysiz/xsiz; |
168 |
> |
aspect = pictaspect*maxwidth/(256*nlines); |
169 |
> |
cheight = ysiz/nlines; |
170 |
> |
cwidth = cheight/aspect; |
171 |
> |
} |
172 |
|
} else { /* reverse orientation */ |
173 |
< |
xsiz = nlines*cheight; |
174 |
< |
ysiz = maxline*cwidth; |
173 |
> |
if (ysiz <= 0) { |
174 |
> |
cwidth = cheight/aspect + 0.5; |
175 |
> |
xsiz = nlines*cheight; |
176 |
> |
ysiz = (long)maxwidth*cwidth >> 8; |
177 |
> |
} else if (aspect > FTINY) { |
178 |
> |
if (xsiz <= 0) |
179 |
> |
xsiz = cheight*nlines; |
180 |
> |
pictaspect = maxwidth/(256*nlines*aspect); |
181 |
> |
if (pictaspect*xsiz < ysiz) |
182 |
> |
ysiz = pictaspect*xsiz + 0.5; |
183 |
> |
else |
184 |
> |
xsiz = ysiz/pictaspect + 0.5; |
185 |
> |
cheight = xsiz/nlines; |
186 |
> |
cwidth = cheight/aspect; |
187 |
> |
} else { |
188 |
> |
if (xsiz <= 0) |
189 |
> |
xsiz = cheight*nlines; |
190 |
> |
pictaspect = (double)ysiz/xsiz; |
191 |
> |
aspect = maxwidth/(256*nlines*pictaspect); |
192 |
> |
cheight = xsiz/nlines; |
193 |
> |
cwidth = cheight/aspect; |
194 |
> |
} |
195 |
|
} |
196 |
+ |
if (xsiz % SSS) |
197 |
+ |
xsiz += SSS - xsiz%SSS; |
198 |
+ |
if (ysiz % SSS) |
199 |
+ |
ysiz += SSS - ysiz%SSS; |
200 |
|
xdim = (xsiz+7)/8; |
201 |
< |
ourbitmap = (BYTE *)calloc(ysiz, xdim); |
202 |
< |
if (ourbitmap == NULL) { |
203 |
< |
fprintf(stderr, "out of memory in makemap\n"); |
204 |
< |
exit(1); |
160 |
< |
} |
201 |
> |
ourbitmap = (BYTE *)bmalloc(ysiz*xdim); |
202 |
> |
if (ourbitmap == NULL) |
203 |
> |
error(SYSTEM, "Out of memory in makemap"); |
204 |
> |
bzero((char *)ourbitmap, ysiz*xdim); |
205 |
|
} |
206 |
|
|
207 |
|
|
208 |
|
gettext(fp) /* get text from a file */ |
209 |
|
FILE *fp; |
210 |
|
{ |
167 |
– |
char *fgets(); |
211 |
|
char buf[MAXLINE]; |
212 |
|
register LINE *curl; |
213 |
|
int len; |
214 |
|
|
215 |
|
maxline = 0; |
216 |
+ |
maxwidth = 0; |
217 |
|
nlines = 0; |
218 |
|
while (fgets(buf, MAXLINE, fp) != NULL) { |
219 |
|
curl = (LINE *)malloc(sizeof(LINE)); |
220 |
|
if (curl == NULL) |
221 |
|
goto memerr; |
222 |
|
len = strlen(buf); |
223 |
< |
curl->s = malloc(len--); |
224 |
< |
if (curl->s == NULL) |
223 |
> |
curl->s = (char *)malloc(len); |
224 |
> |
curl->sp = (short *)malloc(sizeof(short)*len--); |
225 |
> |
if (curl->s == NULL | curl->sp == NULL) |
226 |
|
goto memerr; |
227 |
+ |
if (len > maxline) |
228 |
+ |
maxline = len; |
229 |
|
strncpy(curl->s, buf, len); |
230 |
|
curl->s[len] = '\0'; |
231 |
+ |
if (spacing < -1./256.) |
232 |
+ |
len = squeeztext(curl->sp, curl->s, ourfont, |
233 |
+ |
(int)(spacing*-256.)); |
234 |
+ |
else if (spacing > 1./256.) |
235 |
+ |
len = proptext(curl->sp, curl->s, ourfont, |
236 |
+ |
(int)(spacing*256.), 3); |
237 |
+ |
else |
238 |
+ |
len = uniftext(curl->sp, curl->s, ourfont); |
239 |
+ |
if (len > maxwidth) |
240 |
+ |
maxwidth = len; |
241 |
|
curl->next = ourtext; |
242 |
|
ourtext = curl; |
186 |
– |
if (len > maxline) |
187 |
– |
maxline = len; |
243 |
|
nlines++; |
244 |
|
} |
245 |
|
return; |
246 |
|
memerr: |
247 |
< |
fprintf(stderr, "out of memory in gettext\n"); |
193 |
< |
exit(1); |
247 |
> |
error(SYSTEM, "Out of memory in gettext"); |
248 |
|
} |
249 |
|
|
250 |
|
|
257 |
|
ourtext = (LINE *)malloc(sizeof(LINE)); |
258 |
|
if (ourtext == NULL) |
259 |
|
goto memerr; |
260 |
< |
ourtext->s = malloc(MAXLINE); |
260 |
> |
ourtext->s = (char *)malloc(MAXLINE); |
261 |
|
if (ourtext->s == NULL) |
262 |
|
goto memerr; |
263 |
|
for (cp = ourtext->s; ac-- > 0; av++) { |
268 |
|
*--cp = '\0'; |
269 |
|
ourtext->next = NULL; |
270 |
|
maxline = strlen(ourtext->s); |
271 |
+ |
ourtext->sp = (short *)malloc(sizeof(short)*(maxline+1)); |
272 |
+ |
if (ourtext->sp == NULL) |
273 |
+ |
goto memerr; |
274 |
+ |
if (spacing < -1./256.) |
275 |
+ |
maxwidth = squeeztext(ourtext->sp, ourtext->s, ourfont, |
276 |
+ |
(int)(spacing*-256.)); |
277 |
+ |
else if (spacing > 1./256.) |
278 |
+ |
maxwidth = proptext(ourtext->sp, ourtext->s, ourfont, |
279 |
+ |
(int)(spacing*256.), 3); |
280 |
+ |
else |
281 |
+ |
maxwidth = uniftext(ourtext->sp, ourtext->s, ourfont); |
282 |
|
nlines = 1; |
283 |
|
return; |
284 |
|
memerr: |
285 |
< |
fprintf(stderr, "out of memory in arg_text\n"); |
221 |
< |
exit(1); |
285 |
> |
error(SYSTEM, "Out of memory in arg_text"); |
286 |
|
} |
287 |
|
|
288 |
|
|
289 |
|
maptext() /* map our text */ |
290 |
|
{ |
291 |
|
register LINE *curl; |
292 |
< |
int l; |
293 |
< |
register int c; |
292 |
> |
int l, len; |
293 |
> |
register int i, c; |
294 |
|
|
295 |
< |
for (l = 0, curl = ourtext; curl != NULL; l++, curl = curl->next) |
296 |
< |
for (c = strlen(curl->s)-1; c >= 0; c--) |
297 |
< |
mapglyph(ourfont->fg[curl->s[c]&0xff], c, l); |
295 |
> |
for (l = 0, curl = ourtext; curl != NULL; l += 256, curl = curl->next) { |
296 |
> |
len = strlen(curl->s); c = 0; |
297 |
> |
for (i = 0; i < len; i++) { |
298 |
> |
c += curl->sp[i]; |
299 |
> |
mapglyph(ourfont->fg[curl->s[i]&0xff], c, l); |
300 |
> |
} |
301 |
> |
} |
302 |
|
} |
303 |
|
|
304 |
|
|
313 |
|
if (gl == NULL) |
314 |
|
return; |
315 |
|
|
248 |
– |
tx0 <<= 8; ty0 <<= 8; |
316 |
|
n = gl->nverts; |
317 |
|
gp = gvlist(gl); |
318 |
|
mapcoord(p0, gp[2*n-2]+tx0, gp[2*n-1]+ty0); |
392 |
|
writemap(fp) /* write out bitmap */ |
393 |
|
FILE *fp; |
394 |
|
{ |
395 |
+ |
COLR pixval[SSS*SSS+1]; /* possible pixel values */ |
396 |
+ |
COLOR ctmp0, ctmp1; |
397 |
+ |
double d; |
398 |
|
COLR *scanout; |
399 |
< |
int y; |
400 |
< |
register int x; |
399 |
> |
int x, y; |
400 |
> |
register int i, j; |
401 |
> |
int cnt; |
402 |
|
register int inglyph; |
403 |
|
|
404 |
< |
fprintf(fp, "-Y %d +X %d\n", ysiz, xsiz); |
404 |
> |
fprintf(fp, "-Y %d +X %d\n", ysiz/SSS, xsiz/SSS); |
405 |
|
|
406 |
< |
scanout = (COLR *)malloc(xsiz*sizeof(COLR)); |
407 |
< |
if (scanout == NULL) { |
408 |
< |
fprintf(stderr, "out of memory in writemap\n"); |
409 |
< |
exit(1); |
406 |
> |
scanout = (COLR *)malloc(xsiz/SSS*sizeof(COLR)); |
407 |
> |
if (scanout == NULL) |
408 |
> |
error(SYSTEM, "Out of memory in writemap"); |
409 |
> |
for (i = 0; i <= SSS*SSS; i++) { /* compute possible values */ |
410 |
> |
copycolor(ctmp0, fgcolor); |
411 |
> |
d = (double)i/(SSS*SSS); |
412 |
> |
scalecolor(ctmp0, d); |
413 |
> |
copycolor(ctmp1, bgcolor); |
414 |
> |
d = 1.0 - d; |
415 |
> |
scalecolor(ctmp1, d); |
416 |
> |
addcolor(ctmp0, ctmp1); |
417 |
> |
setcolr(pixval[i], colval(ctmp0,RED), |
418 |
> |
colval(ctmp0,GRN), colval(ctmp0,BLU)); |
419 |
|
} |
420 |
< |
for (y = ysiz-1; y >= 0; y--) { |
420 |
> |
for (y = ysiz/SSS-1; y >= 0; y--) { |
421 |
|
inglyph = 0; |
422 |
< |
for (x = 0; x < xsiz; x++) { |
423 |
< |
if (tstbit(x, y)) |
424 |
< |
inglyph ^= 1; |
425 |
< |
if (inglyph) |
426 |
< |
copycolr(scanout[x], fgcolr); |
427 |
< |
else |
428 |
< |
copycolr(scanout[x], bgcolr); |
422 |
> |
for (x = 0; x < xsiz/SSS; x++) { |
423 |
> |
cnt = 0; |
424 |
> |
for (j = 0; j < SSS; j++) |
425 |
> |
for (i = 0; i < SSS; i++) { |
426 |
> |
if (tstbit(x*SSS+i, y*SSS+j)) |
427 |
> |
inglyph ^= 1<<j; |
428 |
> |
if (inglyph & 1<<j) |
429 |
> |
cnt++; |
430 |
> |
} |
431 |
> |
copycolr(scanout[x], pixval[cnt]); |
432 |
|
} |
433 |
< |
if (fwritecolrs(scanout, xsiz, fp) < 0) { |
433 |
> |
if (fwritecolrs(scanout, xsiz/SSS, fp) < 0) { |
434 |
|
fprintf(stderr, "write error in writemap\n"); |
435 |
|
exit(1); |
436 |
|
} |
437 |
|
} |
438 |
< |
free((char *)scanout); |
438 |
> |
free((void *)scanout); |
439 |
|
} |