33 static void anim_ready_handler(lv_anim_t * a);
64 void lv_anim_init(lv_anim_t * a)  in lv_anim_init()  argument
66     lv_memset_00(a, sizeof(lv_anim_t));  in lv_anim_init()
67     a->time = 500;  in lv_anim_init()
68     a->start_value = 0;  in lv_anim_init()
69     a->end_value = 100;  in lv_anim_init()
70     a->repeat_cnt = 1;  in lv_anim_init()
71     a->path_cb = lv_anim_path_linear;  in lv_anim_init()
72     a->early_apply = 1;  in lv_anim_init()
75 lv_anim_t * lv_anim_start(const lv_anim_t * a)  in lv_anim_start()  argument
80 …if(a->exec_cb != NULL) lv_anim_del(a->var, a->exec_cb); /*exec_cb == NULL would delete all animati…  in lv_anim_start()
93     lv_memcpy(new_anim, a, sizeof(lv_anim_t));  in lv_anim_start()
94     if(a->var == a) new_anim->var = new_anim;  in lv_anim_start()
116 uint32_t lv_anim_get_playtime(lv_anim_t * a)  in lv_anim_get_playtime()  argument
120     if(a->repeat_cnt == LV_ANIM_REPEAT_INFINITE)  in lv_anim_get_playtime()
123     playtime = a->time - a->act_time;  in lv_anim_get_playtime()
124     if(a->playback_now == 0)  in lv_anim_get_playtime()
125         playtime += a->playback_delay + a->playback_time;  in lv_anim_get_playtime()
127     if(a->repeat_cnt <= 1)  in lv_anim_get_playtime()
130     playtime += (a->repeat_delay + a->time +  in lv_anim_get_playtime()
131                  a->playback_delay + a->playback_time) *  in lv_anim_get_playtime()
132                 (a->repeat_cnt - 1);  in lv_anim_get_playtime()
139     lv_anim_t * a;  in lv_anim_del()  local
142     a        = _lv_ll_get_head(&LV_GC_ROOT(_lv_anim_ll));  in lv_anim_del()
143     while(a != NULL) {  in lv_anim_del()
145         a_next = _lv_ll_get_next(&LV_GC_ROOT(_lv_anim_ll), a);  in lv_anim_del()
147         if((a->var == var || var == NULL) && (a->exec_cb == exec_cb || exec_cb == NULL)) {  in lv_anim_del()
148             _lv_ll_remove(&LV_GC_ROOT(_lv_anim_ll), a);  in lv_anim_del()
149             if(a->deleted_cb != NULL) a->deleted_cb(a);  in lv_anim_del()
150             lv_mem_free(a);  in lv_anim_del()
156         a = a_next;  in lv_anim_del()
170     lv_anim_t * a;  in lv_anim_get()  local
171     _LV_LL_READ(&LV_GC_ROOT(_lv_anim_ll), a) {  in lv_anim_get()
172         if(a->var == var && (a->exec_cb == exec_cb || exec_cb == NULL)) {  in lv_anim_get()
173             return a;  in lv_anim_get()
188     lv_anim_t * a;  in lv_anim_count_running()  local
189     _LV_LL_READ(&LV_GC_ROOT(_lv_anim_ll), a) cnt++;  in lv_anim_count_running()
211 int32_t lv_anim_path_linear(const lv_anim_t * a)  in lv_anim_path_linear()  argument
214     int32_t step = lv_map(a->act_time, 0, a->time, 0, LV_ANIM_RESOLUTION);  in lv_anim_path_linear()
219     new_value = step * (a->end_value - a->start_value);  in lv_anim_path_linear()
221     new_value += a->start_value;  in lv_anim_path_linear()
226 int32_t lv_anim_path_ease_in(const lv_anim_t * a)  in lv_anim_path_ease_in()  argument
229     uint32_t t = lv_map(a->act_time, 0, a->time, 0, LV_BEZIER_VAL_MAX);  in lv_anim_path_ease_in()
233     new_value = step * (a->end_value - a->start_value);  in lv_anim_path_ease_in()
235     new_value += a->start_value;  in lv_anim_path_ease_in()
240 int32_t lv_anim_path_ease_out(const lv_anim_t * a)  in lv_anim_path_ease_out()  argument
243     uint32_t t = lv_map(a->act_time, 0, a->time, 0, LV_BEZIER_VAL_MAX);  in lv_anim_path_ease_out()
247     new_value = step * (a->end_value - a->start_value);  in lv_anim_path_ease_out()
249     new_value += a->start_value;  in lv_anim_path_ease_out()
254 int32_t lv_anim_path_ease_in_out(const lv_anim_t * a)  in lv_anim_path_ease_in_out()  argument
257     uint32_t t = lv_map(a->act_time, 0, a->time, 0, LV_BEZIER_VAL_MAX);  in lv_anim_path_ease_in_out()
261     new_value = step * (a->end_value - a->start_value);  in lv_anim_path_ease_in_out()
263     new_value += a->start_value;  in lv_anim_path_ease_in_out()
268 int32_t lv_anim_path_overshoot(const lv_anim_t * a)  in lv_anim_path_overshoot()  argument
271     uint32_t t = lv_map(a->act_time, 0, a->time, 0, LV_BEZIER_VAL_MAX);  in lv_anim_path_overshoot()
275     new_value = step * (a->end_value - a->start_value);  in lv_anim_path_overshoot()
277     new_value += a->start_value;  in lv_anim_path_overshoot()
282 int32_t lv_anim_path_bounce(const lv_anim_t * a)  in lv_anim_path_bounce()  argument
285     int32_t t = lv_map(a->act_time, 0, a->time, 0, LV_BEZIER_VAL_MAX);  in lv_anim_path_bounce()
286     int32_t diff = (a->end_value - a->start_value);  in lv_anim_path_bounce()
328     new_value = a->end_value - new_value;  in lv_anim_path_bounce()
333 int32_t lv_anim_path_step(const lv_anim_t * a)  in lv_anim_path_step()  argument
335     if(a->act_time >= a->time)  in lv_anim_path_step()
336         return a->end_value;  in lv_anim_path_step()
338         return a->start_value;  in lv_anim_path_step()
358     lv_anim_t * a = _lv_ll_get_head(&LV_GC_ROOT(_lv_anim_ll));  in anim_timer()  local
360     while(a != NULL) {  in anim_timer()
367         if(a->run_round != anim_run_round) {  in anim_timer()
368 …a->run_round = anim_run_round; /*The list readying might be reset so need to know which anim has r…  in anim_timer()
371             int32_t new_act_time = a->act_time + elaps;  in anim_timer()
372             if(!a->start_cb_called && a->act_time <= 0 && new_act_time >= 0) {  in anim_timer()
373                 if(a->early_apply == 0 && a->get_value_cb) {  in anim_timer()
374                     int32_t v_ofs = a->get_value_cb(a);  in anim_timer()
375                     a->start_value += v_ofs;  in anim_timer()
376                     a->end_value += v_ofs;  in anim_timer()
378                 if(a->start_cb) a->start_cb(a);  in anim_timer()
379                 a->start_cb_called = 1;  in anim_timer()
381             a->act_time += elaps;  in anim_timer()
382             if(a->act_time >= 0) {  in anim_timer()
383                 if(a->act_time > a->time) a->act_time = a->time;  in anim_timer()
386                 new_value = a->path_cb(a);  in anim_timer()
388                 if(new_value != a->current_value) {  in anim_timer()
389                     a->current_value = new_value;  in anim_timer()
391                     if(a->exec_cb) a->exec_cb(a->var, new_value);  in anim_timer()
395                 if(a->act_time >= a->time) {  in anim_timer()
396                     anim_ready_handler(a);  in anim_timer()
404             a = _lv_ll_get_head(&LV_GC_ROOT(_lv_anim_ll));  in anim_timer()
406             a = _lv_ll_get_next(&LV_GC_ROOT(_lv_anim_ll), a);  in anim_timer()
417 static void anim_ready_handler(lv_anim_t * a)  in anim_ready_handler()  argument
420     if(a->playback_now == 0 && a->repeat_cnt > 0 && a->repeat_cnt != LV_ANIM_REPEAT_INFINITE) {  in anim_ready_handler()
421         a->repeat_cnt--;  in anim_ready_handler()
427     if(a->repeat_cnt == 0 && (a->playback_time == 0 || a->playback_now == 1)) {  in anim_ready_handler()
431         _lv_ll_remove(&LV_GC_ROOT(_lv_anim_ll), a);  in anim_ready_handler()
436         if(a->ready_cb != NULL) a->ready_cb(a);  in anim_ready_handler()
437         if(a->deleted_cb != NULL) a->deleted_cb(a);  in anim_ready_handler()
438         lv_mem_free(a);  in anim_ready_handler()
442         a->act_time = -(int32_t)(a->repeat_delay); /*Restart the animation*/  in anim_ready_handler()
444         if(a->playback_time != 0) {  in anim_ready_handler()
446             if(a->playback_now == 0) a->act_time = -(int32_t)(a->playback_delay);  in anim_ready_handler()
449             a->playback_now = a->playback_now == 0 ? 1 : 0;  in anim_ready_handler()
451             int32_t tmp    = a->start_value;  in anim_ready_handler()
452             a->start_value = a->end_value;  in anim_ready_handler()
453             a->end_value   = tmp;  in anim_ready_handler()
455             tmp = a->time;  in anim_ready_handler()
456             a->time = a->playback_time;  in anim_ready_handler()
457             a->playback_time = tmp;  in anim_ready_handler()