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Revision 1.2 - (view) (download)
1 : | chl | 1.2 | /***************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - font module | ||
5 : | * | ||
6 : | * Copyright(C) 2002 Peter Ross <pross@xvid.org> | ||
7 : | * | ||
8 : | * This program is an implementation of a part of one or more MPEG-4 | ||
9 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
10 : | * to use this software module in hardware or software products are | ||
11 : | * advised that its use may infringe existing patents or copyrights, and | ||
12 : | * any such use would be at such party's own risk. The original | ||
13 : | * developer of this software module and his/her company, and subsequent | ||
14 : | * editors and their companies, will have no liability for use of this | ||
15 : | * software or modifications or derivatives thereof. | ||
16 : | * | ||
17 : | * This program is free software; you can redistribute it and/or modify | ||
18 : | * it under the terms of the GNU General Public License as published by | ||
19 : | * the Free Software Foundation; either version 2 of the License, or | ||
20 : | * (at your option) any later version. | ||
21 : | * | ||
22 : | * This program is distributed in the hope that it will be useful, | ||
23 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
24 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
25 : | * GNU General Public License for more details. | ||
26 : | * | ||
27 : | * You should have received a copy of the GNU General Public License | ||
28 : | * along with this program; if not, write to the Free Software | ||
29 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
30 : | * | ||
31 : | ****************************************************************************/ | ||
32 : | suxen_drol | 1.1 | |
33 : | |||
34 : | #include "image.h" | ||
35 : | #include "font.h" | ||
36 : | |||
37 : | #define FONT_WIDTH 4 | ||
38 : | #define FONT_HEIGHT 6 | ||
39 : | |||
40 : | |||
41 : | static const char ascii33[33][FONT_WIDTH*FONT_HEIGHT] = { | ||
42 : | { 0,0,1,0, // ! | ||
43 : | 0,0,1,0, | ||
44 : | 0,0,1,0, | ||
45 : | 0,0,1,0, | ||
46 : | 0,0,0,0, | ||
47 : | 0,0,1,0 }, | ||
48 : | |||
49 : | { 0,1,0,1, // " | ||
50 : | 0,1,0,1, | ||
51 : | 0,0,0,0, | ||
52 : | 0,0,0,0, | ||
53 : | 0,0,0,0, | ||
54 : | 0,0,0,0 }, | ||
55 : | |||
56 : | { 0,1,1,0, // # | ||
57 : | 1,1,1,1, | ||
58 : | 0,1,1,0, | ||
59 : | 0,1,1,0, | ||
60 : | 1,1,1,1, | ||
61 : | 0,1,1,0 }, | ||
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 : | { 1,1,0,1, // % | ||
71 : | 1,0,0,1, | ||
72 : | 0,0,1,0, | ||
73 : | 0,1,0,0, | ||
74 : | 1,0,0,1, | ||
75 : | 1,0,1,1 }, | ||
76 : | |||
77 : | { 0,1,1,0, //& | ||
78 : | 1,0,0,0, | ||
79 : | 0,1,0,1, | ||
80 : | 1,0,1,0, | ||
81 : | 1,0,1,0, | ||
82 : | 0,1,0,1 }, | ||
83 : | |||
84 : | { 0,0,1,0, // ' | ||
85 : | 0,0,1,0, | ||
86 : | 0,0,0,0, | ||
87 : | 0,0,0,0, | ||
88 : | 0,0,0,0, | ||
89 : | 0,0,0,0 }, | ||
90 : | |||
91 : | { 0,0,1,0, // ( | ||
92 : | 0,1,0,0, | ||
93 : | 0,1,0,0, | ||
94 : | 0,1,0,0, | ||
95 : | 0,1,0,0, | ||
96 : | 0,0,1,0 }, | ||
97 : | |||
98 : | { 0,1,0,0, // ) | ||
99 : | 0,0,1,0, | ||
100 : | 0,0,1,0, | ||
101 : | 0,0,1,0, | ||
102 : | 0,0,1,0, | ||
103 : | 0,1,0,0 }, | ||
104 : | |||
105 : | { 0,0,0,0, // * | ||
106 : | 1,0,0,1, | ||
107 : | 0,1,1,0, | ||
108 : | 1,1,1,1, | ||
109 : | 0,1,1,0, | ||
110 : | 1,0,0,1 }, | ||
111 : | |||
112 : | { 0,0,0,0, // + | ||
113 : | 0,0,1,0, | ||
114 : | 0,0,1,0, | ||
115 : | 0,1,1,1, | ||
116 : | 0,0,1,0, | ||
117 : | 0,0,1,0 }, | ||
118 : | |||
119 : | { 0,0,0,0, // , | ||
120 : | 0,0,0,0, | ||
121 : | 0,0,0,0, | ||
122 : | 0,0,0,0, | ||
123 : | 0,1,1,0, | ||
124 : | 0,0,1,0 }, | ||
125 : | |||
126 : | { 0,0,0,0, // - | ||
127 : | 0,0,0,0, | ||
128 : | 0,0,0,0, | ||
129 : | 1,1,1,1, | ||
130 : | 0,0,0,0, | ||
131 : | 0,0,0,0 }, | ||
132 : | |||
133 : | { 0,0,0,0, // . | ||
134 : | 0,0,0,0, | ||
135 : | 0,0,0,0, | ||
136 : | 0,0,0,0, | ||
137 : | 0,1,1,0, | ||
138 : | 0,1,1,0 }, | ||
139 : | |||
140 : | { 0,0,0,1, // / | ||
141 : | 0,0,0,1, | ||
142 : | 0,0,1,0, | ||
143 : | 0,1,0,0, | ||
144 : | 1,0,0,0, | ||
145 : | 1,0,0,0 }, | ||
146 : | |||
147 : | { 0,1,1,0, // 0 | ||
148 : | 1,0,0,1, | ||
149 : | 1,0,1,1, | ||
150 : | 1,1,0,1, | ||
151 : | 1,0,0,1, | ||
152 : | 0,1,1,0 }, | ||
153 : | |||
154 : | { 0,0,1,0, // 1 | ||
155 : | 0,0,1,0, | ||
156 : | 0,0,1,0, | ||
157 : | 0,0,1,0, | ||
158 : | 0,0,1,0, | ||
159 : | 0,0,1,0 }, | ||
160 : | |||
161 : | { 0,1,1,0, // 2 | ||
162 : | 1,0,0,1, | ||
163 : | 0,0,1,0, | ||
164 : | 0,1,0,0, | ||
165 : | 1,0,0,0, | ||
166 : | 1,1,1,1 }, | ||
167 : | |||
168 : | { 0,1,1,0, // 3 | ||
169 : | 1,0,0,1, | ||
170 : | 0,0,1,0, | ||
171 : | 0,0,0,1, | ||
172 : | 1,0,0,1, | ||
173 : | 0,1,1,0 }, | ||
174 : | |||
175 : | { 0,0,1,0, // 4 | ||
176 : | 0,1,1,0, | ||
177 : | 1,0,1,0, | ||
178 : | 1,1,1,1, | ||
179 : | 0,0,1,0, | ||
180 : | 0,0,1,0 }, | ||
181 : | |||
182 : | { 1,1,1,1, // 5 | ||
183 : | 1,0,0,0, | ||
184 : | 1,1,1,0, | ||
185 : | 0,0,0,1, | ||
186 : | 1,0,0,1, | ||
187 : | 0,1,1,0 }, | ||
188 : | |||
189 : | { 0,1,1,1, //6 | ||
190 : | 1,0,0,0, | ||
191 : | 1,1,1,0, | ||
192 : | 1,0,0,1, | ||
193 : | 1,0,0,1, | ||
194 : | 0,1,1,0 }, | ||
195 : | |||
196 : | { 1,1,1,0, // 7 | ||
197 : | 0,0,0,1, | ||
198 : | 0,0,0,1, | ||
199 : | 0,0,1,0, | ||
200 : | 0,0,1,0, | ||
201 : | 0,0,1,0 }, | ||
202 : | |||
203 : | { 0,1,1,0, // 8 | ||
204 : | 1,0,0,1, | ||
205 : | 0,1,1,0, | ||
206 : | 1,0,0,1, | ||
207 : | 1,0,0,1, | ||
208 : | 0,1,1,0 }, | ||
209 : | |||
210 : | { 0,1,1,0, // 9 | ||
211 : | 1,0,0,1, | ||
212 : | 1,0,0,1, | ||
213 : | 0,1,1,1, | ||
214 : | 0,0,0,1, | ||
215 : | 1,1,1,0 }, | ||
216 : | |||
217 : | { 0,0,0,0, // : | ||
218 : | 0,0,0,0, | ||
219 : | 0,0,1,0, | ||
220 : | 0,0,0,0, | ||
221 : | 0,0,1,0, | ||
222 : | 0,0,0,0 }, | ||
223 : | |||
224 : | { 0,0,0,0, // ; | ||
225 : | 0,0,1,0, | ||
226 : | 0,0,0,0, | ||
227 : | 0,0,0,0, | ||
228 : | 0,1,1,0, | ||
229 : | 0,0,1,0 }, | ||
230 : | |||
231 : | { 0,0,0,1, // < | ||
232 : | 0,0,1,0, | ||
233 : | 0,1,0,0, | ||
234 : | 0,1,0,0, | ||
235 : | 0,0,1,0, | ||
236 : | 0,0,0,1 }, | ||
237 : | |||
238 : | { 0,0,0,0, // = | ||
239 : | 1,1,1,1, | ||
240 : | 0,0,0,0, | ||
241 : | 0,0,0,0, | ||
242 : | 1,1,1,1, | ||
243 : | 0,0,0,0 }, | ||
244 : | |||
245 : | { 0,1,0,0, // > | ||
246 : | 0,0,1,0, | ||
247 : | 0,0,0,1, | ||
248 : | 0,0,0,1, | ||
249 : | 0,0,1,0, | ||
250 : | 0,1,0,0 }, | ||
251 : | |||
252 : | { 0,1,1,0, // ? | ||
253 : | 1,0,0,1, | ||
254 : | 0,0,1,0, | ||
255 : | 0,0,1,0, | ||
256 : | 0,0,0,0, | ||
257 : | 0,0,1,0 }, | ||
258 : | |||
259 : | { 0,1,1,0, // @ | ||
260 : | 1,0,0,1, | ||
261 : | 1,0,1,1, | ||
262 : | 1,0,1,1, | ||
263 : | 1,0,0,0, | ||
264 : | 0,1,1,0 }, | ||
265 : | |||
266 : | }; | ||
267 : | |||
268 : | |||
269 : | static const char ascii65[26][FONT_WIDTH*FONT_HEIGHT] = { | ||
270 : | { 0,1,1,0, // A | ||
271 : | 1,0,0,1, | ||
272 : | 1,0,0,1, | ||
273 : | 1,1,1,1, | ||
274 : | 1,0,0,1, | ||
275 : | 1,0,0,1 }, | ||
276 : | |||
277 : | { 1,1,1,0, // B | ||
278 : | 1,0,0,1, | ||
279 : | 1,1,1,0, | ||
280 : | 1,0,0,1, | ||
281 : | 1,0,0,1, | ||
282 : | 1,1,1,0 }, | ||
283 : | |||
284 : | { 0,1,1,0, // C | ||
285 : | 1,0,0,1, | ||
286 : | 1,0,0,0, | ||
287 : | 1,0,0,0, | ||
288 : | 1,0,0,1, | ||
289 : | 0,1,1,0 }, | ||
290 : | |||
291 : | { 1,1,0,0, // D | ||
292 : | 1,0,1,0, | ||
293 : | 1,0,0,1, | ||
294 : | 1,0,0,1, | ||
295 : | 1,0,1,0, | ||
296 : | 1,1,0,0 }, | ||
297 : | |||
298 : | { 1,1,1,1, // E | ||
299 : | 1,0,0,0, | ||
300 : | 1,1,1,0, | ||
301 : | 1,0,0,0, | ||
302 : | 1,0,0,0, | ||
303 : | 1,1,1,1 }, | ||
304 : | |||
305 : | { 1,1,1,1, // F | ||
306 : | 1,0,0,0, | ||
307 : | 1,1,1,0, | ||
308 : | 1,0,0,0, | ||
309 : | 1,0,0,0, | ||
310 : | 1,0,0,0 }, | ||
311 : | |||
312 : | { 0,1,1,1, // G | ||
313 : | 1,0,0,0, | ||
314 : | 1,0,1,1, | ||
315 : | 1,0,0,1, | ||
316 : | 1,0,0,1, | ||
317 : | 0,1,1,0 }, | ||
318 : | |||
319 : | { 1,0,0,1, // H | ||
320 : | 1,0,0,1, | ||
321 : | 1,1,1,1, | ||
322 : | 1,0,0,1, | ||
323 : | 1,0,0,1, | ||
324 : | 1,0,0,1 }, | ||
325 : | |||
326 : | { 0,1,1,1, // I | ||
327 : | 0,0,1,0, | ||
328 : | 0,0,1,0, | ||
329 : | 0,0,1,0, | ||
330 : | 0,0,1,0, | ||
331 : | 0,1,1,1 }, | ||
332 : | |||
333 : | { 0,1,1,1, // J | ||
334 : | 0,0,1,0, | ||
335 : | 0,0,1,0, | ||
336 : | 0,0,1,0, | ||
337 : | 1,0,1,0, | ||
338 : | 0,1,0,0 }, | ||
339 : | |||
340 : | { 1,0,0,1, // K | ||
341 : | 1,0,0,1, | ||
342 : | 1,1,1,0, | ||
343 : | 1,0,0,1, | ||
344 : | 1,0,0,1, | ||
345 : | 1,0,0,1 }, | ||
346 : | |||
347 : | { 1,0,0,0, // L | ||
348 : | 1,0,0,0, | ||
349 : | 1,0,0,0, | ||
350 : | 1,0,0,0, | ||
351 : | 1,0,0,0, | ||
352 : | 1,1,1,1 }, | ||
353 : | |||
354 : | { 1,0,0,1, // M | ||
355 : | 1,1,1,1, | ||
356 : | 1,1,1,1, | ||
357 : | 1,0,0,1, | ||
358 : | 1,0,0,1, | ||
359 : | 1,0,0,1 }, | ||
360 : | |||
361 : | { 1,0,0,1, // N | ||
362 : | 1,1,0,1, | ||
363 : | 1,1,0,1, | ||
364 : | 1,0,1,1, | ||
365 : | 1,0,1,1, | ||
366 : | 1,0,0,1 }, | ||
367 : | |||
368 : | { 0,1,1,0, // 0 | ||
369 : | 1,0,0,1, | ||
370 : | 1,0,0,1, | ||
371 : | 1,0,0,1, | ||
372 : | 1,0,0,1, | ||
373 : | 0,1,1,0 }, | ||
374 : | |||
375 : | { 1,1,1,0, // P | ||
376 : | 1,0,0,1, | ||
377 : | 1,1,1,0, | ||
378 : | 1,0,0,0, | ||
379 : | 1,0,0,0, | ||
380 : | 1,0,0,0 }, | ||
381 : | |||
382 : | { 0,1,1,0, // Q | ||
383 : | 1,0,0,1, | ||
384 : | 1,0,0,1, | ||
385 : | 1,0,0,1, | ||
386 : | 1,0,1,0, | ||
387 : | 0,1,0,1 }, | ||
388 : | |||
389 : | |||
390 : | { 1,1,1,0, // R | ||
391 : | 1,0,0,1, | ||
392 : | 1,1,1,0, | ||
393 : | 1,0,0,1, | ||
394 : | 1,0,0,1, | ||
395 : | 1,0,0,1 }, | ||
396 : | |||
397 : | { 0,1,1,0, // S | ||
398 : | 1,0,0,1, | ||
399 : | 0,1,0,0, | ||
400 : | 0,0,1,0, | ||
401 : | 1,0,0,1, | ||
402 : | 0,1,1,0 }, | ||
403 : | |||
404 : | { 0,1,1,1, // T | ||
405 : | 0,0,1,0, | ||
406 : | 0,0,1,0, | ||
407 : | 0,0,1,0, | ||
408 : | 0,0,1,0, | ||
409 : | 0,0,1,0 }, | ||
410 : | |||
411 : | { 1,0,0,1, // U | ||
412 : | 1,0,0,1, | ||
413 : | 1,0,0,1, | ||
414 : | 1,0,0,1, | ||
415 : | 1,0,0,1, | ||
416 : | 1,1,1,1 }, | ||
417 : | |||
418 : | { 1,0,0,1, // V | ||
419 : | 1,0,0,1, | ||
420 : | 1,0,0,1, | ||
421 : | 0,1,1,0, | ||
422 : | 0,1,1,0, | ||
423 : | 0,1,1,0 }, | ||
424 : | |||
425 : | { 1,0,0,1, // W | ||
426 : | 1,0,0,1, | ||
427 : | 1,0,0,1, | ||
428 : | 1,1,1,1, | ||
429 : | 1,1,1,1, | ||
430 : | 1,0,0,1 }, | ||
431 : | |||
432 : | { 1,0,0,1, // X | ||
433 : | 1,0,0,1, | ||
434 : | 0,1,1,0, | ||
435 : | 1,0,0,1, | ||
436 : | 1,0,0,1, | ||
437 : | 1,0,0,1 }, | ||
438 : | |||
439 : | { 1,0,0,1, // Y | ||
440 : | 1,0,0,1, | ||
441 : | 0,1,0,0, | ||
442 : | 0,0,1,0, | ||
443 : | 0,1,0,0, | ||
444 : | 1,0,0,0 }, | ||
445 : | |||
446 : | { 1,1,1,1, // Z | ||
447 : | 0,0,0,1, | ||
448 : | 0,0,1,0, | ||
449 : | 0,1,0,0, | ||
450 : | 1,0,0,0, | ||
451 : | 1,1,1,1 }, | ||
452 : | |||
453 : | }; | ||
454 : | |||
455 : | |||
456 : | |||
457 : | static const char ascii91[6][FONT_WIDTH*FONT_HEIGHT] = { | ||
458 : | { 0,1,1,0, // [ | ||
459 : | 0,1,0,0, | ||
460 : | 0,1,0,0, | ||
461 : | 0,1,0,0, | ||
462 : | 0,1,0,0, | ||
463 : | 0,1,1,0 }, | ||
464 : | |||
465 : | { 1,0,0,0, // '\' | ||
466 : | 1,0,0,0, | ||
467 : | 0,1,0,0, | ||
468 : | 0,0,1,0, | ||
469 : | 0,0,0,1, | ||
470 : | 0,0,0,1 }, | ||
471 : | |||
472 : | { 0,1,1,0, // ] | ||
473 : | 0,0,1,0, | ||
474 : | 0,0,1,0, | ||
475 : | 0,0,1,0, | ||
476 : | 0,1,1,0, | ||
477 : | |||
478 : | 0,0,1,0 }, | ||
479 : | { 0,1,0,1, // ^ | ||
480 : | 0,0,0,0, | ||
481 : | 0,0,0,0, | ||
482 : | 0,0,0,0, | ||
483 : | 0,0,0,0, | ||
484 : | 0,0,0,0 }, | ||
485 : | |||
486 : | { 0,0,0,0, // _ | ||
487 : | 0,0,0,0, | ||
488 : | 0,0,0,0, | ||
489 : | 0,0,0,0, | ||
490 : | 0,0,0,0, | ||
491 : | 1,1,1,1 }, | ||
492 : | |||
493 : | { 0,1,0,0, // ` | ||
494 : | 0,0,1,0, | ||
495 : | 0,0,0,0, | ||
496 : | 0,0,0,0, | ||
497 : | 0,0,0,0, | ||
498 : | 0,0,0,0 } | ||
499 : | }; | ||
500 : | |||
501 : | |||
502 : | #define FONT_ZOOM 4 | ||
503 : | |||
504 : | void draw_num(IMAGE * img, const int stride, const int height, | ||
505 : | const char * font, const int x, const int y) | ||
506 : | { | ||
507 : | int i, j; | ||
508 : | |||
509 : | for (j = 0; j < FONT_ZOOM * FONT_HEIGHT && y+j < height; j++) | ||
510 : | for (i = 0; i < FONT_ZOOM * FONT_WIDTH && x+i < stride; i++) | ||
511 : | if (font[(j/FONT_ZOOM)*FONT_WIDTH + (i/FONT_ZOOM)]) | ||
512 : | { | ||
513 : | int offset = (y+j)*stride + (x+i); | ||
514 : | int offset2 =((y+j)/2)*(stride/2) + ((x+i)/2); | ||
515 : | img->y[offset] = 255; | ||
516 : | img->u[offset2] = 127; | ||
517 : | img->v[offset2] = 127; | ||
518 : | } | ||
519 : | } | ||
520 : | |||
521 : | |||
522 : | #define FONT_BUF_SZ 1024 | ||
523 : | |||
524 : | void image_printf(IMAGE * img, int edged_width, int height, | ||
525 : | int x, int y, char *fmt, ...) | ||
526 : | { | ||
527 : | va_list args; | ||
528 : | char buf[FONT_BUF_SZ]; | ||
529 : | size_t i; | ||
530 : | |||
531 : | va_start(args, fmt); | ||
532 : | vsprintf(buf, fmt, args); | ||
533 : | |||
534 : | for (i = 0; i < strlen(buf); i++) { | ||
535 : | const char * font; | ||
536 : | |||
537 : | if (buf[i] >= '!' && buf[i] <= '@') | ||
538 : | font = ascii33[buf[i]-'!']; | ||
539 : | else if (buf[i] >= 'A' && buf[i] <= 'Z') | ||
540 : | font = ascii65[buf[i]-'A']; | ||
541 : | else if (buf[i] >= '[' && buf[i] <= '`') | ||
542 : | font = ascii91[buf[i]-'[']; | ||
543 : | else if (buf[i] >= 'a' && buf[i] <= 'z') | ||
544 : | font = ascii65[buf[i]-'a']; | ||
545 : | else | ||
546 : | continue; | ||
547 : | |||
548 : | draw_num(img, edged_width, height, font, x + i*FONT_ZOOM*(FONT_WIDTH+1), y); | ||
549 : | } | ||
550 : | } |
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