Mercurial > MadButterfly
annotate src/animate.c @ 931:3a3734289523
Check in the main category SVG file for the VOD.
author | wycc |
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date | Sun, 07 Nov 2010 11:36:12 +0800 |
parents | 586e50f82c1f |
children | 9b5d4839c5bb |
rev | line source |
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*- |
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2 // vim: sw=4:ts=8:sts=4 |
111 | 3 /*! \file |
4 * \brief Animation tools. | |
5 * | |
117 | 6 * \sa \ref ani |
111 | 7 */ |
8 /*! \page ani What is Animation? | |
41 | 9 * |
117 | 10 * Animation is a program to move, resize, rotate, ..., changing |
11 * graphics on the output screen. | |
12 * | |
13 * \image html program.png | |
14 * | |
41 | 15 * XXX: Program is a sequence of actions duration a perior. |
16 * Actions are grouped into words. A program defines | |
17 * the order and time of playing of words. A word | |
18 * defines how long to perform a set of actions. Actions | |
19 * in a word are performed concurrently. | |
45 | 20 * |
21 * Animation shapes are updated periodically. Every action | |
22 * are working with start, step, and stop 3 calls. start is | |
23 * called when start time the word, contain it, due. step is | |
24 * called periodically in duration of playing time start at | |
25 * 'start time'. When the clock run out the playing time of | |
26 * a word, it call stop of actions in the word. | |
111 | 27 * |
28 * A program is driven by a timer. Once a program is started, it registers | |
29 * with timer for periodic running. \ref mb_tman_t is timer of | |
30 * MadButterfly. The update frequence is 10fps by default, now. | |
31 * | |
117 | 32 * \section use_progm How to Use Animation Program? |
33 * Following code block creates a program with 2 words. First word is | |
34 * started immediately after the program been started. It is consisted | |
35 * for 1 second. Second word is started 1 second after the program been | |
36 * started. It is consisted for 2 seconds. There are 2 action in | |
37 * first word, they shift graphics managed by coord1 & coord2 by (50,50) and | |
38 * (-50,50) pixels, respectly. The shifting is performed incrementally | |
39 * in 1 second. Second word shifts coord1 and coord2, too. And, graphics | |
40 * managed by coord3 are hidden at end of the word. At end of code in the | |
41 * block, mb_progm_start() starts the program. 3rd argument of | |
42 * mb_progm_start() must be current wall time. | |
43 * | |
44 * \code | |
45 * progm = mb_progm_new(10, &rdman); | |
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46 * |
117 | 47 * MB_TIMEVAL_SET(&start, 0, 0); |
48 * MB_TIMEVAL_SET(&playing, 1, 0); | |
49 * word = mb_progm_next_word(progm, &start, &playing); | |
50 * | |
51 * act = mb_shift_new(50, 50, coord1, word); | |
52 * act = mb_shift_new(-50, 50, coord2, word); | |
53 * | |
54 * MB_TIMEVAL_SET(&start, 1, 0); | |
55 * MB_TIMEVAL_SET(&playing, 2, 0); | |
56 * word = mb_progm_next_word(progm, &start, &playing); | |
57 * | |
58 * act = mb_shift_new(0, 20, coord1, word); | |
59 * act = mb_shift_new(0, -20, coord2, word); | |
60 * act = mb_visibility_new(VIS_HIDDEN, coord3, word); | |
61 * | |
62 * gettimeofday(&tv, NULL); | |
63 * MB_TIMEVAL_SET(&mbtv, tv.tv_sec, tv.tv_usec); | |
64 * mb_progm_start(progm, tman, &mbtv); | |
65 * \endcode | |
66 * | |
67 * | |
68 * \sa \ref animate.c | |
41 | 69 */ |
70 #include <stdio.h> | |
71 #include <stdlib.h> | |
72 #include <string.h> | |
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73 #include "mb_types.h" |
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74 #include "mb_redraw_man.h" |
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75 #include "mb_timer.h" |
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76 #include "mb_animate.h" |
41 | 77 |
78 | |
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79 #define STEP_INTERVAL 90000 |
41 | 80 #define ASSERT(x) |
81 | |
82 /*! \brief A word is a set of concurrent actions in a program. | |
83 */ | |
84 struct _mb_word { | |
85 mb_timeval_t start_time; /*!< time to start the word */ | |
86 mb_timeval_t playing_time; /*!< time duration of playing */ | |
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87 mb_timeval_t abs_start, abs_stop; |
41 | 88 STAILQ(mb_action_t) actions; |
89 }; | |
90 | |
91 /*! \brief A program describe a series of actions to animate shapes. | |
51 | 92 * |
93 * first_playing is an index to one of words. It always points to | |
94 * the first of words that is playing or waiting for playing. | |
41 | 95 */ |
96 struct _mb_progm { | |
97 redraw_man_t *rdman; | |
98 | |
46 | 99 mb_timeval_t start_time; |
41 | 100 int first_playing; /*!< first playing word. */ |
101 mb_tman_t *tman; | |
123
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102 subject_t *complete; /*!< notify when a program is completed. */ |
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103 mb_timer_t *cur_timer; |
41 | 104 |
105 int n_words; | |
106 int max_words; | |
107 mb_word_t words[1]; | |
108 }; | |
109 | |
119 | 110 /*! \brief Create a program object. |
111 * | |
112 * \param max_words is maximum number of words the program can hold. | |
113 * \param rdman is a rdman that show graphics manipulated by it. | |
114 */ | |
41 | 115 mb_progm_t *mb_progm_new(int max_words, redraw_man_t *rdman) { |
116 mb_progm_t *progm; | |
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117 #ifndef UNITTEST |
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118 ob_factory_t *factory; |
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119 #endif /* UNITTEST */ |
41 | 120 int i; |
121 | |
122 progm = (mb_progm_t *)malloc(sizeof(mb_progm_t) + | |
123 (sizeof(mb_word_t) * (max_words - 1))); | |
124 if(progm == NULL) | |
125 return NULL; | |
126 | |
127 progm->rdman = rdman; | |
123
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128 |
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129 #ifndef UNITTEST |
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130 factory = rdman_get_ob_factory(rdman); |
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131 progm->complete = subject_new(factory, progm, OBJT_PROGM); |
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132 if(progm->complete == NULL) { |
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133 free(progm); |
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134 return NULL; |
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135 } |
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136 #endif /* UNITTEST */ |
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137 |
41 | 138 progm->n_words = 0; |
139 progm->max_words = max_words; | |
140 for(i = 0; i < max_words; i++) | |
141 STAILQ_INIT(progm->words[i].actions); | |
142 return progm; | |
143 } | |
144 | |
145 void mb_progm_free(mb_progm_t *progm) { | |
146 int n_words; | |
147 mb_word_t *word; | |
148 mb_action_t *cur_act; | |
149 int i; | |
150 | |
151 n_words = progm->n_words; | |
152 for(i = 0; i < n_words; i++) { | |
153 word = progm->words + i; | |
154 for(cur_act = STAILQ_HEAD(word->actions); | |
155 cur_act != NULL; | |
156 cur_act = STAILQ_HEAD(word->actions)) { | |
157 STAILQ_REMOVE(word->actions, mb_action_t, next, cur_act); | |
158 cur_act->free(cur_act); | |
159 } | |
160 } | |
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161 |
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162 #ifndef UNITTEST |
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163 subject_free(progm->complete); |
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164 #endif /* UNITTEST */ |
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165 |
41 | 166 free(progm); |
167 } | |
168 | |
169 /*! \brief Add a new word into a program. | |
170 * | |
171 * The start time of new word should bigger or equal to last one. | |
172 * The time should be specified in incremental order. | |
173 */ | |
174 mb_word_t *mb_progm_next_word(mb_progm_t *progm, | |
175 const mb_timeval_t *start, | |
176 const mb_timeval_t *playing) { | |
177 mb_word_t *word; | |
178 if(progm->n_words >= progm->max_words) | |
179 return NULL; | |
180 if(progm->n_words && | |
181 MB_TIMEVAL_LATER(&progm->words[progm->n_words - 1].start_time, start)) | |
182 return NULL; | |
183 word = progm->words + progm->n_words++; | |
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184 MB_TIMEVAL_CP(&word->start_time, start); |
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185 MB_TIMEVAL_CP(&word->playing_time, playing); |
41 | 186 return word; |
187 } | |
188 | |
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189 void mb_word_add_action(mb_word_t *word, mb_action_t *act) { |
41 | 190 STAILQ_INS_TAIL(word->actions, mb_action_t, next, act); |
191 } | |
192 | |
193 static void mb_word_start(mb_word_t *word, const mb_timeval_t *tmo, | |
194 const mb_timeval_t *now, redraw_man_t *rdman) { | |
42 | 195 mb_action_t *act; |
196 | |
197 for(act = STAILQ_HEAD(word->actions); | |
198 act != NULL; | |
199 act = STAILQ_NEXT(mb_action_t, next, act)) { | |
200 act->start(act, tmo, &word->playing_time, rdman); | |
201 } | |
41 | 202 } |
203 | |
204 static void mb_word_step(mb_word_t *word, const mb_timeval_t *tmo, | |
205 const mb_timeval_t *now, redraw_man_t *rdman) { | |
42 | 206 mb_action_t *act; |
207 | |
208 for(act = STAILQ_HEAD(word->actions); | |
209 act != NULL; | |
210 act = STAILQ_NEXT(mb_action_t, next, act)) { | |
211 act->step(act, tmo, rdman); | |
212 } | |
41 | 213 } |
214 | |
215 static void mb_word_stop(mb_word_t *word, const mb_timeval_t *tmo, | |
216 const mb_timeval_t *now, redraw_man_t *rdman) { | |
42 | 217 mb_action_t *act; |
218 | |
219 for(act = STAILQ_HEAD(word->actions); | |
220 act != NULL; | |
221 act = STAILQ_NEXT(mb_action_t, next, act)) { | |
222 act->stop(act, tmo, rdman); | |
223 } | |
41 | 224 } |
225 | |
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226 /*! \brief Time stepping for a program. |
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227 * |
46 | 228 * Any two actions in concurrent words never change the same attribute. |
229 * Start time of words in a program are specified in incremental order. | |
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230 * |
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231 * \note Program will take a big step at last monent. It is because |
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232 * mb_progm_step() running mb_word_stop() if the word being stop |
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233 * between now and next_tmo. It is not obviously if time stepping |
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234 * small. |
46 | 235 */ |
41 | 236 static void mb_progm_step(const mb_timeval_t *tmo, |
120 | 237 const mb_timeval_t *now, |
238 void *arg) { | |
41 | 239 mb_progm_t *progm = (mb_progm_t *)arg; |
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240 #ifndef UNITTEST |
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241 /*! \todo Leverage aspective programming to prevent problem of unittest. |
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242 */ |
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243 mb_progm_complete_t comp_evt; |
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244 #endif /* UNITTEST */ |
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245 mb_timeval_t next_tmo; |
41 | 246 mb_word_t *word; |
247 mb_timer_t *timer; | |
248 int i; | |
249 | |
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250 MB_TIMEVAL_SET(&next_tmo, 0, STEP_INTERVAL); |
120 | 251 MB_TIMEVAL_ADD(&next_tmo, now); |
41 | 252 |
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253 /* _step() or _stop() words that in playing. */ |
41 | 254 i = progm->first_playing; |
255 for(word = progm->words + i; | |
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256 i < progm->n_words && MB_TIMEVAL_LATER(tmo, &word->abs_start); |
41 | 257 word = progm->words + ++i) { |
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258 if(MB_TIMEVAL_LATER(tmo, &word->abs_stop)) |
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259 continue; |
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260 if(MB_TIMEVAL_LATER(&next_tmo, &word->abs_stop)) |
46 | 261 mb_word_stop(word, tmo, now, progm->rdman); |
262 else | |
41 | 263 mb_word_step(word, tmo, now, progm->rdman); |
264 } | |
265 | |
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266 /* Start words that their abs_start is in duration |
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267 * from now to timeout for next update. |
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268 */ |
41 | 269 for(word = progm->words + i; |
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270 i < progm->n_words && MB_TIMEVAL_LATER(&next_tmo, &word->abs_start); |
41 | 271 word = progm->words + ++i) { |
272 mb_word_start(word, tmo, now, progm->rdman); | |
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273 if(MB_TIMEVAL_LATER(&next_tmo, &word->abs_stop)) |
46 | 274 mb_word_stop(word, tmo, now, progm->rdman); |
41 | 275 } |
276 | |
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277 /* Find a new first_playing if any consequence words, following current |
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278 * first_playing word, are stoped. |
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279 */ |
46 | 280 i = progm->first_playing; |
281 for(word = progm->words + i; | |
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282 i < progm->n_words && MB_TIMEVAL_LATER(&next_tmo, &word->abs_stop); |
46 | 283 word = progm->words + ++i) { |
284 progm->first_playing++; | |
285 } | |
286 | |
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287 /* Setup timeout for next update. */ |
41 | 288 if(progm->first_playing < progm->n_words) { |
42 | 289 word = progm->words + progm->first_playing; |
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290 if(MB_TIMEVAL_LATER(&word->abs_start, &next_tmo)) |
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291 MB_TIMEVAL_CP(&next_tmo, &word->abs_start); |
46 | 292 timer = mb_tman_timeout(progm->tman, &next_tmo, |
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293 mb_progm_step, progm); |
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294 progm->cur_timer = timer; |
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295 } else { |
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296 /* Make program to complete. */ |
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297 #ifndef UNITTEST |
123
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298 comp_evt.event.type = EVT_PROGM_COMPLETE; |
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299 comp_evt.event.tgt = comp_evt.event.cur_tgt = progm->complete; |
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300 comp_evt.progm = progm; |
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301 subject_notify(progm->complete, &comp_evt.event); |
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302 #endif /* UNITTEST */ |
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303 progm->cur_timer = NULL; |
41 | 304 } |
305 } | |
306 | |
307 void mb_progm_start(mb_progm_t *progm, mb_tman_t *tman, | |
308 mb_timeval_t *now) { | |
309 mb_timer_t *timer; | |
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310 mb_word_t *word; |
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311 int i; |
41 | 312 |
313 if(progm->n_words == 0) | |
314 return; | |
315 | |
316 progm->tman = tman; | |
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317 MB_TIMEVAL_CP(&progm->start_time, now); |
41 | 318 progm->first_playing = 0; |
319 | |
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320 for(i = 0; i < progm->n_words; i++) { |
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321 word = progm->words + i; |
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322 MB_TIMEVAL_CP(&word->abs_start, &word->start_time); |
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323 MB_TIMEVAL_ADD(&word->abs_start, now); |
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324 MB_TIMEVAL_CP(&word->abs_stop, &word->abs_start); |
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325 MB_TIMEVAL_ADD(&word->abs_stop, &word->playing_time); |
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326 } |
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327 |
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328 if(MB_TIMEVAL_EQ(&progm->words[0].abs_start, now)) { |
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329 mb_progm_step(now, now, progm); |
41 | 330 return; |
331 } | |
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332 |
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333 timer = mb_tman_timeout(tman, &progm->words[0].abs_start, |
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334 mb_progm_step, progm); |
41 | 335 ASSERT(timer != NULL); |
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336 |
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337 /* We need timer to abort it. */ |
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338 progm->cur_timer = timer; |
41 | 339 } |
340 | |
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341 void mb_progm_finish(mb_progm_t *progm) { |
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342 mb_timeval_t infi; |
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343 |
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344 mb_progm_abort(progm); |
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345 MB_TIMEVAL_SET(&infi, 0x7fffffff,0); |
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346 mb_progm_step(&progm->start_time, &infi,progm); |
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347 } |
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348 void mb_progm_abort(mb_progm_t *progm) { |
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349 /*! \todo Make sure abort release resources. */ |
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350 if(progm->cur_timer) { |
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351 mb_tman_remove(progm->tman, progm->cur_timer); |
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352 progm->cur_timer = NULL; |
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353 } |
42 | 354 } |
355 | |
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356 /*! \brief Return event subject for completion of a program. |
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357 */ |
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358 subject_t *mb_progm_get_complete(mb_progm_t *progm) { |
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359 return progm->complete; |
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360 } |
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361 |
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362 static void _free_completed_hdlr(event_t *event, void *arg) { |
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363 mb_progm_t *progm = (mb_progm_t *)arg; |
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364 |
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365 mb_progm_free(progm); |
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366 } |
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367 |
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368 /*! \brief The program should be freed after completed. */ |
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369 void mb_progm_free_completed(mb_progm_t *progm) { |
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370 subject_t *complete; |
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371 |
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372 complete = mb_progm_get_complete(progm); |
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373 subject_add_observer(complete, _free_completed_hdlr, progm); |
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374 } |
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375 |
50 | 376 #ifdef UNITTEST |
377 | |
378 #include <CUnit/Basic.h> | |
379 | |
380 typedef struct _mb_dummy mb_dummy_t; | |
381 | |
382 struct _mb_dummy { | |
383 mb_action_t action; | |
384 int id; | |
385 int *logidx; | |
386 int *logs; | |
387 }; | |
388 | |
389 | |
390 static void mb_dummy_start(mb_action_t *act, | |
391 const mb_timeval_t *now, | |
392 const mb_timeval_t *playing_time, | |
393 redraw_man_t *rdman) { | |
394 mb_dummy_t *dummy = (mb_dummy_t *)act; | |
395 | |
396 dummy->logs[(*dummy->logidx)++] = dummy->id; | |
397 } | |
398 | |
399 static void mb_dummy_step(mb_action_t *act, | |
400 const mb_timeval_t *now, | |
401 redraw_man_t *rdman) { | |
402 mb_dummy_t *dummy = (mb_dummy_t *)act; | |
403 | |
404 dummy->logs[(*dummy->logidx)++] = dummy->id; | |
405 } | |
406 | |
407 static void mb_dummy_stop(mb_action_t *act, | |
408 const mb_timeval_t *now, | |
409 redraw_man_t *rdman) { | |
410 mb_dummy_t *dummy = (mb_dummy_t *)act; | |
411 | |
412 dummy->logs[(*dummy->logidx)++] = dummy->id; | |
413 } | |
414 | |
415 static void mb_dummy_free(mb_action_t *act) { | |
416 free(act); | |
417 } | |
418 | |
419 mb_action_t *mb_dummy_new(int id, int *logidx, int *logs, mb_word_t *word) { | |
420 mb_dummy_t *dummy; | |
421 | |
422 dummy = (mb_dummy_t *)malloc(sizeof(mb_dummy_t)); | |
423 if(dummy == NULL) | |
424 return NULL; | |
425 | |
426 dummy->id = id; | |
427 dummy->logidx = logidx; | |
428 dummy->logs = logs; | |
429 | |
430 dummy->action.start = mb_dummy_start; | |
431 dummy->action.step = mb_dummy_step; | |
432 dummy->action.stop = mb_dummy_stop; | |
433 dummy->action.free = mb_dummy_free; | |
434 | |
435 mb_word_add_action(word, (mb_action_t *)dummy); | |
436 | |
437 return (mb_action_t *)dummy; | |
438 } | |
439 | |
440 void test_animate_words(void) { | |
441 mb_progm_t *progm; | |
442 mb_word_t *word; | |
443 mb_action_t *acts[4]; | |
444 mb_tman_t *tman; | |
445 mb_timeval_t tv1, tv2, now, tmo_after; | |
446 int logcnt = 0; | |
447 int logs[256]; | |
448 int r; | |
449 | |
450 tman = mb_tman_new(); | |
451 CU_ASSERT(tman != NULL); | |
452 | |
453 progm = mb_progm_new(3, NULL); | |
454 CU_ASSERT(progm != NULL); | |
455 | |
456 MB_TIMEVAL_SET(&tv1, 1, 0); | |
457 MB_TIMEVAL_SET(&tv2, 0, STEP_INTERVAL * 3); | |
458 word = mb_progm_next_word(progm, &tv1, &tv2); | |
459 CU_ASSERT(word != NULL); | |
460 acts[0] = mb_dummy_new(0, &logcnt, logs, word); | |
461 CU_ASSERT(acts[0] != NULL); | |
462 | |
463 MB_TIMEVAL_SET(&tv1, 1, STEP_INTERVAL * 4 / 3); | |
464 MB_TIMEVAL_SET(&tv2, 0, STEP_INTERVAL / 3); | |
465 word = mb_progm_next_word(progm, &tv1, &tv2); | |
466 CU_ASSERT(word != NULL); | |
467 acts[1] = mb_dummy_new(1, &logcnt, logs, word); | |
468 CU_ASSERT(acts[1] != NULL); | |
469 | |
470 MB_TIMEVAL_SET(&tv1, 1, STEP_INTERVAL * 2); | |
471 MB_TIMEVAL_SET(&tv2, 0, STEP_INTERVAL * 3); | |
472 word = mb_progm_next_word(progm, &tv1, &tv2); | |
473 CU_ASSERT(word != NULL); | |
474 acts[2] = mb_dummy_new(2, &logcnt, logs, word); | |
475 CU_ASSERT(acts[2] != NULL); | |
476 | |
477 MB_TIMEVAL_SET(&now, 0, 0); | |
478 mb_progm_start(progm, tman, &now); | |
479 | |
480 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
481 CU_ASSERT(r == 0); | |
482 CU_ASSERT(MB_TIMEVAL_SEC(&tmo_after) == 1 && | |
483 MB_TIMEVAL_USEC(&tmo_after) == 0); | |
484 | |
485 /* 1.0s */ | |
486 MB_TIMEVAL_ADD(&now, &tmo_after); | |
487 mb_tman_handle_timeout(tman, &now); | |
488 CU_ASSERT(logcnt == 1); | |
489 | |
490 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
491 CU_ASSERT(r == 0); | |
492 CU_ASSERT(MB_TIMEVAL_SEC(&tmo_after) == 0 && | |
493 MB_TIMEVAL_USEC(&tmo_after) == STEP_INTERVAL); | |
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494 |
50 | 495 /* 1.1s */ |
496 MB_TIMEVAL_ADD(&now, &tmo_after); | |
497 mb_tman_handle_timeout(tman, &now); | |
498 CU_ASSERT(logcnt == 4); | |
499 | |
500 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
501 CU_ASSERT(r == 0); | |
502 CU_ASSERT(MB_TIMEVAL_SEC(&tmo_after) == 0 && | |
503 MB_TIMEVAL_USEC(&tmo_after) == STEP_INTERVAL); | |
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504 |
50 | 505 /* 1.2s */ |
506 MB_TIMEVAL_ADD(&now, &tmo_after); | |
507 mb_tman_handle_timeout(tman, &now); | |
508 CU_ASSERT(logcnt == 6); | |
509 | |
510 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
511 CU_ASSERT(r == 0); | |
512 CU_ASSERT(MB_TIMEVAL_SEC(&tmo_after) == 0 && | |
513 MB_TIMEVAL_USEC(&tmo_after) == STEP_INTERVAL); | |
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514 |
50 | 515 /* 1.3s */ |
516 MB_TIMEVAL_ADD(&now, &tmo_after); | |
517 mb_tman_handle_timeout(tman, &now); | |
518 CU_ASSERT(logcnt == 8); | |
519 | |
520 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
521 CU_ASSERT(r == 0); | |
522 CU_ASSERT(MB_TIMEVAL_SEC(&tmo_after) == 0 && | |
523 MB_TIMEVAL_USEC(&tmo_after) == STEP_INTERVAL); | |
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524 |
50 | 525 /* 1.4s */ |
526 MB_TIMEVAL_ADD(&now, &tmo_after); | |
527 mb_tman_handle_timeout(tman, &now); | |
528 CU_ASSERT(logcnt == 9); | |
529 | |
530 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
531 CU_ASSERT(r == 0); | |
532 CU_ASSERT(MB_TIMEVAL_SEC(&tmo_after) == 0 && | |
533 MB_TIMEVAL_USEC(&tmo_after) == STEP_INTERVAL); | |
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534 |
50 | 535 /* 1.5s */ |
536 MB_TIMEVAL_ADD(&now, &tmo_after); | |
537 mb_tman_handle_timeout(tman, &now); | |
538 CU_ASSERT(logcnt == 10); | |
539 | |
540 r = mb_tman_next_timeout(tman, &now, &tmo_after); | |
541 CU_ASSERT(r == -1); | |
542 | |
543 mb_progm_free(progm); | |
544 mb_tman_free(tman); | |
545 } | |
546 | |
547 CU_pSuite get_animate_suite(void) { | |
548 CU_pSuite suite; | |
549 | |
550 suite = CU_add_suite("Suite_animate", NULL, NULL); | |
551 if(suite == NULL) | |
552 return NULL; | |
553 | |
554 CU_ADD_TEST(suite, test_animate_words); | |
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555 |
50 | 556 return suite; |
557 } | |
558 | |
559 #endif /* UNITTEST */ |