Parent Directory | Revision Log
Revision 1.5.2.1 - (view) (download)
1 : | edgomez | 1.5 | /***************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - Font rendering to frame buffer functions - | ||
5 : | * | ||
6 : | * Copyright(C) 2002-2003 Peter Ross <pross@xvid.org> | ||
7 : | * | ||
8 : | * This program is free software ; you can redistribute it and/or modify | ||
9 : | * it under the terms of the GNU General Public License as published by | ||
10 : | * the Free Software Foundation ; either version 2 of the License, or | ||
11 : | * (at your option) any later version. | ||
12 : | * | ||
13 : | * This program is distributed in the hope that it will be useful, | ||
14 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
15 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 : | * GNU General Public License for more details. | ||
17 : | * | ||
18 : | * You should have received a copy of the GNU General Public License | ||
19 : | * along with this program ; if not, write to the Free Software | ||
20 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 : | * | ||
22 : | * $Id$ | ||
23 : | * | ||
24 : | ****************************************************************************/ | ||
25 : | suxen_drol | 1.1 | |
26 : | edgomez | 1.4 | #include <stdio.h> |
27 : | #include <stdarg.h> | ||
28 : | suxen_drol | 1.1 | |
29 : | #include "image.h" | ||
30 : | #include "font.h" | ||
31 : | |||
32 : | #define FONT_WIDTH 4 | ||
33 : | #define FONT_HEIGHT 6 | ||
34 : | |||
35 : | |||
36 : | edgomez | 1.5 | static const char ascii33[33][FONT_WIDTH*FONT_HEIGHT] = { |
37 : | |||
38 : | /* ! */ | ||
39 : | {0,0,1,0, | ||
40 : | 0,0,1,0, | ||
41 : | 0,0,1,0, | ||
42 : | 0,0,1,0, | ||
43 : | 0,0,0,0, | ||
44 : | 0,0,1,0}, | ||
45 : | |||
46 : | /* " */ | ||
47 : | {0,1,0,1, | ||
48 : | 0,1,0,1, | ||
49 : | 0,0,0,0, | ||
50 : | 0,0,0,0, | ||
51 : | 0,0,0,0, | ||
52 : | 0,0,0,0}, | ||
53 : | |||
54 : | /* # */ | ||
55 : | {0,1,1,0, | ||
56 : | 1,1,1,1, | ||
57 : | 0,1,1,0, | ||
58 : | 0,1,1,0, | ||
59 : | 1,1,1,1, | ||
60 : | 0,1,1,0}, | ||
61 : | |||
62 : | /* $ */ | ||
63 : | {0,1,1,0, | ||
64 : | 1,0,1,1, | ||
65 : | 1,1,1,0, | ||
66 : | 0,1,1,1, | ||
67 : | 1,1,0,1, | ||
68 : | 0,1,1,0}, | ||
69 : | |||
70 : | /* % */ | ||
71 : | {1,1,0,1, | ||
72 : | 1,0,0,1, | ||
73 : | 0,0,1,0, | ||
74 : | 0,1,0,0, | ||
75 : | 1,0,0,1, | ||
76 : | 1,0,1,1}, | ||
77 : | |||
78 : | /* & */ | ||
79 : | {0,1,1,0, | ||
80 : | 1,0,0,0, | ||
81 : | 0,1,0,1, | ||
82 : | 1,0,1,0, | ||
83 : | 1,0,1,0, | ||
84 : | 0,1,0,1}, | ||
85 : | |||
86 : | /* ' */ | ||
87 : | {0,0,1,0, | ||
88 : | 0,0,1,0, | ||
89 : | 0,0,0,0, | ||
90 : | 0,0,0,0, | ||
91 : | 0,0,0,0, | ||
92 : | 0,0,0,0}, | ||
93 : | |||
94 : | /* ( */ | ||
95 : | {0,0,1,0, | ||
96 : | 0,1,0,0, | ||
97 : | 0,1,0,0, | ||
98 : | 0,1,0,0, | ||
99 : | 0,1,0,0, | ||
100 : | 0,0,1,0}, | ||
101 : | |||
102 : | /* ) */ | ||
103 : | {0,1,0,0, | ||
104 : | 0,0,1,0, | ||
105 : | 0,0,1,0, | ||
106 : | 0,0,1,0, | ||
107 : | 0,0,1,0, | ||
108 : | 0,1,0,0}, | ||
109 : | |||
110 : | /* * */ | ||
111 : | {0,0,0,0, | ||
112 : | 1,0,0,1, | ||
113 : | 0,1,1,0, | ||
114 : | 1,1,1,1, | ||
115 : | 0,1,1,0, | ||
116 : | 1,0,0,1}, | ||
117 : | |||
118 : | /* + */ | ||
119 : | {0,0,0,0, | ||
120 : | 0,0,1,0, | ||
121 : | 0,0,1,0, | ||
122 : | 0,1,1,1, | ||
123 : | 0,0,1,0, | ||
124 : | 0,0,1,0}, | ||
125 : | |||
126 : | /* , */ | ||
127 : | {0,0,0,0, | ||
128 : | 0,0,0,0, | ||
129 : | 0,0,0,0, | ||
130 : | 0,0,0,0, | ||
131 : | 0,1,1,0, | ||
132 : | 0,0,1,0}, | ||
133 : | |||
134 : | /* - */ | ||
135 : | {0,0,0,0, | ||
136 : | 0,0,0,0, | ||
137 : | 0,0,0,0, | ||
138 : | 1,1,1,1, | ||
139 : | 0,0,0,0, | ||
140 : | 0,0,0,0}, | ||
141 : | |||
142 : | /* . */ | ||
143 : | {0,0,0,0, | ||
144 : | 0,0,0,0, | ||
145 : | 0,0,0,0, | ||
146 : | 0,0,0,0, | ||
147 : | 0,1,1,0, | ||
148 : | 0,1,1,0}, | ||
149 : | |||
150 : | /* / */ | ||
151 : | {0,0,0,1, | ||
152 : | 0,0,0,1, | ||
153 : | 0,0,1,0, | ||
154 : | 0,1,0,0, | ||
155 : | 1,0,0,0, | ||
156 : | 1,0,0,0}, | ||
157 : | |||
158 : | /* 0 */ | ||
159 : | {0,1,1,0, | ||
160 : | 1,0,0,1, | ||
161 : | 1,0,1,1, | ||
162 : | 1,1,0,1, | ||
163 : | 1,0,0,1, | ||
164 : | 0,1,1,0}, | ||
165 : | |||
166 : | /* 1 */ | ||
167 : | {0,0,1,0, | ||
168 : | 0,0,1,0, | ||
169 : | 0,0,1,0, | ||
170 : | 0,0,1,0, | ||
171 : | 0,0,1,0, | ||
172 : | 0,0,1,0}, | ||
173 : | |||
174 : | /* 2 */ | ||
175 : | {0,1,1,0, | ||
176 : | 1,0,0,1, | ||
177 : | 0,0,1,0, | ||
178 : | 0,1,0,0, | ||
179 : | 1,0,0,0, | ||
180 : | 1,1,1,1}, | ||
181 : | |||
182 : | /* 3 */ | ||
183 : | {0,1,1,0, | ||
184 : | 1,0,0,1, | ||
185 : | 0,0,1,0, | ||
186 : | 0,0,0,1, | ||
187 : | 1,0,0,1, | ||
188 : | 0,1,1,0}, | ||
189 : | |||
190 : | /* 4 */ | ||
191 : | {0,0,1,0, | ||
192 : | 0,1,1,0, | ||
193 : | 1,0,1,0, | ||
194 : | 1,1,1,1, | ||
195 : | 0,0,1,0, | ||
196 : | 0,0,1,0}, | ||
197 : | |||
198 : | /* 5 */ | ||
199 : | {1,1,1,1, | ||
200 : | 1,0,0,0, | ||
201 : | 1,1,1,0, | ||
202 : | 0,0,0,1, | ||
203 : | 1,0,0,1, | ||
204 : | 0,1,1,0}, | ||
205 : | |||
206 : | /* 6 */ | ||
207 : | {0,1,1,1, | ||
208 : | 1,0,0,0, | ||
209 : | 1,1,1,0, | ||
210 : | 1,0,0,1, | ||
211 : | 1,0,0,1, | ||
212 : | 0,1,1,0}, | ||
213 : | |||
214 : | /* 7 */ | ||
215 : | {1,1,1,0, | ||
216 : | 0,0,0,1, | ||
217 : | 0,0,0,1, | ||
218 : | 0,0,1,0, | ||
219 : | 0,0,1,0, | ||
220 : | 0,0,1,0}, | ||
221 : | |||
222 : | /* 8 */ | ||
223 : | {0,1,1,0, | ||
224 : | 1,0,0,1, | ||
225 : | 0,1,1,0, | ||
226 : | 1,0,0,1, | ||
227 : | 1,0,0,1, | ||
228 : | 0,1,1,0}, | ||
229 : | |||
230 : | /* 9 */ | ||
231 : | {0,1,1,0, | ||
232 : | 1,0,0,1, | ||
233 : | 1,0,0,1, | ||
234 : | 0,1,1,1, | ||
235 : | 0,0,0,1, | ||
236 : | 1,1,1,0}, | ||
237 : | |||
238 : | /* : */ | ||
239 : | {0,0,0,0, | ||
240 : | 0,0,0,0, | ||
241 : | 0,0,1,0, | ||
242 : | 0,0,0,0, | ||
243 : | 0,0,1,0, | ||
244 : | 0,0,0,0}, | ||
245 : | |||
246 : | /* ; */ | ||
247 : | {0,0,0,0, | ||
248 : | 0,0,1,0, | ||
249 : | 0,0,0,0, | ||
250 : | 0,0,0,0, | ||
251 : | 0,1,1,0, | ||
252 : | 0,0,1,0}, | ||
253 : | |||
254 : | /* < */ | ||
255 : | {0,0,0,1, | ||
256 : | 0,0,1,0, | ||
257 : | 0,1,0,0, | ||
258 : | 0,1,0,0, | ||
259 : | 0,0,1,0, | ||
260 : | 0,0,0,1}, | ||
261 : | |||
262 : | /* = */ | ||
263 : | {0,0,0,0, | ||
264 : | 1,1,1,1, | ||
265 : | 0,0,0,0, | ||
266 : | 0,0,0,0, | ||
267 : | 1,1,1,1, | ||
268 : | 0,0,0,0}, | ||
269 : | |||
270 : | /* > */ | ||
271 : | {0,1,0,0, | ||
272 : | 0,0,1,0, | ||
273 : | 0,0,0,1, | ||
274 : | 0,0,0,1, | ||
275 : | 0,0,1,0, | ||
276 : | 0,1,0,0}, | ||
277 : | |||
278 : | /* ? */ | ||
279 : | {0,1,1,0, | ||
280 : | 1,0,0,1, | ||
281 : | 0,0,1,0, | ||
282 : | 0,0,1,0, | ||
283 : | 0,0,0,0, | ||
284 : | 0,0,1,0}, | ||
285 : | |||
286 : | /* @ */ | ||
287 : | {0,1,1,0, | ||
288 : | 1,0,0,1, | ||
289 : | 1,0,1,1, | ||
290 : | 1,0,1,1, | ||
291 : | 1,0,0,0, | ||
292 : | 0,1,1,0}, | ||
293 : | suxen_drol | 1.1 | |
294 : | }; | ||
295 : | |||
296 : | |||
297 : | edgomez | 1.5 | static const char ascii65[26][FONT_WIDTH*FONT_HEIGHT] = { |
298 : | /* A */ | ||
299 : | {0,1,1,0, | ||
300 : | 1,0,0,1, | ||
301 : | 1,0,0,1, | ||
302 : | 1,1,1,1, | ||
303 : | 1,0,0,1, | ||
304 : | 1,0,0,1}, | ||
305 : | |||
306 : | /* B */ | ||
307 : | {1,1,1,0, | ||
308 : | 1,0,0,1, | ||
309 : | 1,1,1,0, | ||
310 : | 1,0,0,1, | ||
311 : | 1,0,0,1, | ||
312 : | 1,1,1,0}, | ||
313 : | |||
314 : | /* C */ | ||
315 : | {0,1,1,0, | ||
316 : | 1,0,0,1, | ||
317 : | 1,0,0,0, | ||
318 : | 1,0,0,0, | ||
319 : | 1,0,0,1, | ||
320 : | 0,1,1,0}, | ||
321 : | |||
322 : | /* D */ | ||
323 : | {1,1,0,0, | ||
324 : | 1,0,1,0, | ||
325 : | 1,0,0,1, | ||
326 : | 1,0,0,1, | ||
327 : | 1,0,1,0, | ||
328 : | 1,1,0,0}, | ||
329 : | |||
330 : | /* E */ | ||
331 : | {1,1,1,1, | ||
332 : | 1,0,0,0, | ||
333 : | 1,1,1,0, | ||
334 : | 1,0,0,0, | ||
335 : | 1,0,0,0, | ||
336 : | 1,1,1,1}, | ||
337 : | |||
338 : | /* F */ | ||
339 : | {1,1,1,1, | ||
340 : | 1,0,0,0, | ||
341 : | 1,1,1,0, | ||
342 : | 1,0,0,0, | ||
343 : | 1,0,0,0, | ||
344 : | 1,0,0,0}, | ||
345 : | |||
346 : | /* G */ | ||
347 : | {0,1,1,1, | ||
348 : | 1,0,0,0, | ||
349 : | 1,0,1,1, | ||
350 : | 1,0,0,1, | ||
351 : | 1,0,0,1, | ||
352 : | 0,1,1,0}, | ||
353 : | |||
354 : | /* H */ | ||
355 : | {1,0,0,1, | ||
356 : | 1,0,0,1, | ||
357 : | 1,1,1,1, | ||
358 : | 1,0,0,1, | ||
359 : | 1,0,0,1, | ||
360 : | 1,0,0,1}, | ||
361 : | |||
362 : | /* I */ | ||
363 : | {0,1,1,1, | ||
364 : | 0,0,1,0, | ||
365 : | 0,0,1,0, | ||
366 : | 0,0,1,0, | ||
367 : | 0,0,1,0, | ||
368 : | 0,1,1,1}, | ||
369 : | |||
370 : | /* J */ | ||
371 : | {0,1,1,1, | ||
372 : | 0,0,1,0, | ||
373 : | 0,0,1,0, | ||
374 : | 0,0,1,0, | ||
375 : | 1,0,1,0, | ||
376 : | 0,1,0,0}, | ||
377 : | |||
378 : | /* K */ | ||
379 : | {1,0,0,1, | ||
380 : | 1,0,0,1, | ||
381 : | 1,1,1,0, | ||
382 : | 1,0,0,1, | ||
383 : | 1,0,0,1, | ||
384 : | 1,0,0,1}, | ||
385 : | |||
386 : | /* L */ | ||
387 : | {1,0,0,0, | ||
388 : | 1,0,0,0, | ||
389 : | 1,0,0,0, | ||
390 : | 1,0,0,0, | ||
391 : | 1,0,0,0, | ||
392 : | 1,1,1,1}, | ||
393 : | |||
394 : | /* M */ | ||
395 : | {1,0,0,1, | ||
396 : | 1,1,1,1, | ||
397 : | 1,1,1,1, | ||
398 : | 1,0,0,1, | ||
399 : | 1,0,0,1, | ||
400 : | 1,0,0,1}, | ||
401 : | |||
402 : | /* N */ | ||
403 : | {1,0,0,1, | ||
404 : | 1,1,0,1, | ||
405 : | 1,1,0,1, | ||
406 : | 1,0,1,1, | ||
407 : | 1,0,1,1, | ||
408 : | 1,0,0,1}, | ||
409 : | |||
410 : | /* 0 */ | ||
411 : | {0,1,1,0, | ||
412 : | 1,0,0,1, | ||
413 : | 1,0,0,1, | ||
414 : | 1,0,0,1, | ||
415 : | 1,0,0,1, | ||
416 : | 0,1,1,0}, | ||
417 : | |||
418 : | /* P */ | ||
419 : | {1,1,1,0, | ||
420 : | 1,0,0,1, | ||
421 : | 1,1,1,0, | ||
422 : | 1,0,0,0, | ||
423 : | 1,0,0,0, | ||
424 : | 1,0,0,0}, | ||
425 : | |||
426 : | /* Q */ | ||
427 : | {0,1,1,0, | ||
428 : | 1,0,0,1, | ||
429 : | 1,0,0,1, | ||
430 : | 1,0,0,1, | ||
431 : | 1,0,1,0, | ||
432 : | 0,1,0,1}, | ||
433 : | |||
434 : | |||
435 : | /* R */ | ||
436 : | {1,1,1,0, | ||
437 : | 1,0,0,1, | ||
438 : | 1,1,1,0, | ||
439 : | 1,0,0,1, | ||
440 : | 1,0,0,1, | ||
441 : | 1,0,0,1}, | ||
442 : | |||
443 : | /* S */ | ||
444 : | {0,1,1,0, | ||
445 : | 1,0,0,1, | ||
446 : | 0,1,0,0, | ||
447 : | 0,0,1,0, | ||
448 : | 1,0,0,1, | ||
449 : | 0,1,1,0}, | ||
450 : | |||
451 : | /* T */ | ||
452 : | {0,1,1,1, | ||
453 : | 0,0,1,0, | ||
454 : | 0,0,1,0, | ||
455 : | 0,0,1,0, | ||
456 : | 0,0,1,0, | ||
457 : | 0,0,1,0}, | ||
458 : | |||
459 : | /* U */ | ||
460 : | {1,0,0,1, | ||
461 : | 1,0,0,1, | ||
462 : | 1,0,0,1, | ||
463 : | 1,0,0,1, | ||
464 : | 1,0,0,1, | ||
465 : | 1,1,1,1}, | ||
466 : | |||
467 : | /* V */ | ||
468 : | {1,0,0,1, | ||
469 : | 1,0,0,1, | ||
470 : | 1,0,0,1, | ||
471 : | 0,1,1,0, | ||
472 : | 0,1,1,0, | ||
473 : | 0,1,1,0}, | ||
474 : | |||
475 : | /* W */ | ||
476 : | {1,0,0,1, | ||
477 : | 1,0,0,1, | ||
478 : | 1,0,0,1, | ||
479 : | 1,1,1,1, | ||
480 : | 1,1,1,1, | ||
481 : | 1,0,0,1}, | ||
482 : | |||
483 : | /* X */ | ||
484 : | {1,0,0,1, | ||
485 : | 1,0,0,1, | ||
486 : | 0,1,1,0, | ||
487 : | 1,0,0,1, | ||
488 : | 1,0,0,1, | ||
489 : | 1,0,0,1}, | ||
490 : | |||
491 : | /* Y */ | ||
492 : | {1,0,0,1, | ||
493 : | 1,0,0,1, | ||
494 : | 0,1,0,0, | ||
495 : | 0,0,1,0, | ||
496 : | 0,1,0,0, | ||
497 : | 1,0,0,0}, | ||
498 : | |||
499 : | /* Z */ | ||
500 : | {1,1,1,1, | ||
501 : | 0,0,0,1, | ||
502 : | 0,0,1,0, | ||
503 : | 0,1,0,0, | ||
504 : | 1,0,0,0, | ||
505 : | 1,1,1,1}, | ||
506 : | suxen_drol | 1.1 | |
507 : | }; | ||
508 : | |||
509 : | |||
510 : | |||
511 : | edgomez | 1.5 | static const char ascii91[6][FONT_WIDTH*FONT_HEIGHT] = { |
512 : | /* [ */ | ||
513 : | {0,1,1,0, | ||
514 : | 0,1,0,0, | ||
515 : | 0,1,0,0, | ||
516 : | 0,1,0,0, | ||
517 : | 0,1,0,0, | ||
518 : | 0,1,1,0}, | ||
519 : | |||
520 : | /* '\' */ | ||
521 : | {1,0,0,0, | ||
522 : | 1,0,0,0, | ||
523 : | 0,1,0,0, | ||
524 : | 0,0,1,0, | ||
525 : | 0,0,0,1, | ||
526 : | 0,0,0,1}, | ||
527 : | |||
528 : | /* ] */ | ||
529 : | {0,1,1,0, | ||
530 : | 0,0,1,0, | ||
531 : | 0,0,1,0, | ||
532 : | 0,0,1,0, | ||
533 : | 0,0,1,0, | ||
534 : | 0,1,1,0}, | ||
535 : | |||
536 : | /* ^ */ | ||
537 : | {0,1,0,1, | ||
538 : | 0,0,0,0, | ||
539 : | 0,0,0,0, | ||
540 : | 0,0,0,0, | ||
541 : | 0,0,0,0, | ||
542 : | 0,0,0,0}, | ||
543 : | |||
544 : | /* _ */ | ||
545 : | {0,0,0,0, | ||
546 : | 0,0,0,0, | ||
547 : | 0,0,0,0, | ||
548 : | 0,0,0,0, | ||
549 : | 0,0,0,0, | ||
550 : | 1,1,1,1}, | ||
551 : | |||
552 : | /* ` */ | ||
553 : | {0,1,0,0, | ||
554 : | 0,0,1,0, | ||
555 : | 0,0,0,0, | ||
556 : | 0,0,0,0, | ||
557 : | 0,0,0,0, | ||
558 : | 0,0,0,0} | ||
559 : | suxen_drol | 1.1 | }; |
560 : | |||
561 : | |||
562 : | #define FONT_ZOOM 4 | ||
563 : | |||
564 : | void draw_num(IMAGE * img, const int stride, const int height, | ||
565 : | const char * font, const int x, const int y) | ||
566 : | { | ||
567 : | int i, j; | ||
568 : | |||
569 : | for (j = 0; j < FONT_ZOOM * FONT_HEIGHT && y+j < height; j++) | ||
570 : | for (i = 0; i < FONT_ZOOM * FONT_WIDTH && x+i < stride; i++) | ||
571 : | if (font[(j/FONT_ZOOM)*FONT_WIDTH + (i/FONT_ZOOM)]) | ||
572 : | { | ||
573 : | int offset = (y+j)*stride + (x+i); | ||
574 : | int offset2 =((y+j)/2)*(stride/2) + ((x+i)/2); | ||
575 : | img->y[offset] = 255; | ||
576 : | img->u[offset2] = 127; | ||
577 : | img->v[offset2] = 127; | ||
578 : | } | ||
579 : | } | ||
580 : | |||
581 : | |||
582 : | #define FONT_BUF_SZ 1024 | ||
583 : | |||
584 : | edgomez | 1.5 | void image_printf(IMAGE * img, int edged_width, int height, |
585 : | suxen_drol | 1.1 | int x, int y, char *fmt, ...) |
586 : | { | ||
587 : | va_list args; | ||
588 : | char buf[FONT_BUF_SZ]; | ||
589 : | edgomez | 1.4 | int i; |
590 : | suxen_drol | 1.1 | |
591 : | va_start(args, fmt); | ||
592 : | vsprintf(buf, fmt, args); | ||
593 : | edgomez | 1.5.2.1 | va_end(args); |
594 : | suxen_drol | 1.1 | |
595 : | edgomez | 1.4 | for (i = 0; i < buf[i]; i++) { |
596 : | suxen_drol | 1.1 | const char * font; |
597 : | |||
598 : | if (buf[i] >= '!' && buf[i] <= '@') | ||
599 : | font = ascii33[buf[i]-'!']; | ||
600 : | else if (buf[i] >= 'A' && buf[i] <= 'Z') | ||
601 : | font = ascii65[buf[i]-'A']; | ||
602 : | else if (buf[i] >= '[' && buf[i] <= '`') | ||
603 : | font = ascii91[buf[i]-'[']; | ||
604 : | else if (buf[i] >= 'a' && buf[i] <= 'z') | ||
605 : | font = ascii65[buf[i]-'a']; | ||
606 : | else | ||
607 : | continue; | ||
608 : | |||
609 : | draw_num(img, edged_width, height, font, x + i*FONT_ZOOM*(FONT_WIDTH+1), y); | ||
610 : | } | ||
611 : | } |
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