forked from enlightenment/efl
720 lines
17 KiB
C
720 lines
17 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include <math.h>
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#include <Eo.h>
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#include "Ecore.h"
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#include "ecore_private.h"
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#define MY_CLASS ECORE_ANIMATOR_CLASS
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#define MY_CLASS_NAME "Ecore_Animator"
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#define ECORE_ANIMATOR_CHECK(obj) \
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if (!eo_isa((obj), ECORE_ANIMATOR_CLASS)) \
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return
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struct _Ecore_Animator_Data
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{
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EINA_INLIST;
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Ecore_Animator *obj;
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Ecore_Task_Cb func;
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void *data;
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double start, run;
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Ecore_Timeline_Cb run_func;
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void *run_data;
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Eina_Bool delete_me : 1;
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Eina_Bool suspended : 1;
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Eina_Bool just_added : 1;
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};
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typedef struct _Ecore_Animator_Data Ecore_Animator_Data;
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static Eina_Bool _ecore_animator_run(void *data);
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static Eina_Bool _ecore_animator(void *data);
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static int animators_delete_me = 0;
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static Ecore_Animator_Data *animators = NULL;
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static double animators_frametime = 1.0 / 30.0;
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static unsigned int animators_suspended = 0;
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static Ecore_Animator_Source src = ECORE_ANIMATOR_SOURCE_TIMER;
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static Ecore_Timer *timer = NULL;
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static int ticking = 0;
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static Ecore_Cb begin_tick_cb = NULL;
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static const void *begin_tick_data = NULL;
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static Ecore_Cb end_tick_cb = NULL;
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static const void *end_tick_data = NULL;
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static Eina_Bool animator_ran = EINA_FALSE;
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static Eina_Bool
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_have_animators(void)
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{
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if ((animators) &&
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(animators_suspended < eina_inlist_count(EINA_INLIST_GET(animators)))
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)
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return EINA_TRUE;
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return EINA_FALSE;
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}
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static void
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_begin_tick(void)
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{
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if (ticking) return;
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ticking = 1;
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switch (src)
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{
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case ECORE_ANIMATOR_SOURCE_TIMER:
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if (!timer)
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{
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double t_loop = ecore_loop_time_get();
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double sync_0 = 0.0;
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double d = -fmod(t_loop - sync_0, animators_frametime);
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timer = _ecore_timer_loop_add(animators_frametime,
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_ecore_animator, NULL);
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_ecore_timer_util_delay(timer, d);
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}
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break;
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case ECORE_ANIMATOR_SOURCE_CUSTOM:
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if (begin_tick_cb) begin_tick_cb((void *)begin_tick_data);
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break;
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default:
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break;
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}
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}
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static void
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_end_tick(void)
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{
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if (!ticking) return;
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ticking = 0;
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if (timer)
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{
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_ecore_timer_del(timer);
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timer = NULL;
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}
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if ((src == ECORE_ANIMATOR_SOURCE_CUSTOM) && end_tick_cb)
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end_tick_cb((void *)end_tick_data);
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}
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static Eina_Bool
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_do_tick(void)
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{
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Ecore_Animator_Data *animator;
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EINA_INLIST_FOREACH(animators, animator)
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{
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animator->just_added = EINA_FALSE;
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}
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EINA_INLIST_FOREACH(animators, animator)
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{
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if ((!animator->delete_me) &&
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(!animator->suspended) &&
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(!animator->just_added))
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{
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animator_ran = EINA_TRUE;
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if (!_ecore_call_task_cb(animator->func, animator->data))
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{
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animator->delete_me = EINA_TRUE;
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animators_delete_me++;
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}
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}
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else animator->just_added = EINA_FALSE;
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}
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if (animators_delete_me)
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{
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Ecore_Animator_Data *l;
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for (l = animators; l; )
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{
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animator = l;
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l = (Ecore_Animator_Data *)EINA_INLIST_GET(l)->next;
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if (animator->delete_me)
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{
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if (animator->suspended) animators_suspended--;
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animators = (Ecore_Animator_Data *)
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eina_inlist_remove(EINA_INLIST_GET(animators),
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EINA_INLIST_GET(animator));
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eo_do(animator->obj, eo_parent_set(NULL));
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if (eo_destructed_is(animator->obj))
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eo_manual_free(animator->obj);
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else
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eo_manual_free_set(animator->obj, EINA_FALSE);
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animators_delete_me--;
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if (animators_delete_me == 0) break;
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}
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}
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}
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if (!_have_animators())
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{
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_end_tick();
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return ECORE_CALLBACK_CANCEL;
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}
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return ECORE_CALLBACK_RENEW;
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}
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static Eina_Bool
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_ecore_animator_add(Ecore_Animator *obj,
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Ecore_Animator_Data *animator,
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Ecore_Task_Cb func,
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const void *data)
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{
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if (EINA_UNLIKELY(!eina_main_loop_is()))
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{
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eo_error_set(obj);
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EINA_MAIN_LOOP_CHECK_RETURN_VAL(EINA_FALSE);
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}
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animator->obj = obj;
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eo_manual_free_set(obj, EINA_TRUE);
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if (!func)
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{
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eo_error_set(obj);
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ERR("callback function must be set up for an object of class: '%s'", MY_CLASS_NAME);
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return EINA_FALSE;
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}
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animator->func = func;
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animator->data = (void *)data;
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animator->just_added = EINA_TRUE;
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animators = (Ecore_Animator_Data *)eina_inlist_append(EINA_INLIST_GET(animators), EINA_INLIST_GET(animator));
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_begin_tick();
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return EINA_TRUE;
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}
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EAPI Ecore_Animator *
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ecore_animator_add(Ecore_Task_Cb func,
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const void *data)
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{
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Ecore_Animator *animator = NULL;
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animator = eo_add(MY_CLASS, _ecore_parent,
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ecore_animator_constructor(func, data));
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return animator;
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}
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EOLIAN static void
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_ecore_animator_constructor(Eo *obj, Ecore_Animator_Data *animator, Ecore_Task_Cb func, const void *data)
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{
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_ecore_lock();
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_ecore_animator_add(obj, animator, func, data);
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_ecore_unlock();
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}
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EAPI Ecore_Animator *
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ecore_animator_timeline_add(double runtime,
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Ecore_Timeline_Cb func,
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const void *data)
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{
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Ecore_Animator *animator;
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animator = eo_add(MY_CLASS, _ecore_parent,
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ecore_animator_timeline_constructor(runtime, func, data));
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return animator;
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}
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EOLIAN static void
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_ecore_animator_timeline_constructor(Eo *obj, Ecore_Animator_Data *animator, double runtime, Ecore_Timeline_Cb func, const void *data)
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{
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_ecore_lock();
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if (runtime <= 0.0) runtime = 0.0;
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if (!_ecore_animator_add(obj, animator, _ecore_animator_run, NULL)) goto unlock;
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animator->data = obj;
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animator->run_func = func;
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animator->run_data = (void *)data;
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animator->start = ecore_loop_time_get();
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animator->run = runtime;
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unlock:
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_ecore_unlock();
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}
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static double
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_pos_map_sin(double in)
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{
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return eina_f32p32_double_to(eina_f32p32_sin(eina_f32p32_double_from(in)));
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}
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#if 0
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static double
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_pos_map_cos(double in)
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{
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return eina_f32p32_double_to(eina_f32p32_cos(eina_f32p32_double_from(in)));
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}
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#endif
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static double
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_pos_map_accel_factor(double pos,
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double v1)
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{
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int i, fact = (int)v1;
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double p, o1 = pos, o2, v;
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p = 1.0 - _pos_map_sin((M_PI / 2.0) + ((pos * M_PI) / 2.0));
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o2 = p;
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for (i = 0; i < fact; i++)
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{
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o1 = o2;
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o2 = o2 * p;
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}
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v = v1 - (double)fact;
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pos = (v * o2) + ((1.0 - v) * o1);
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return pos;
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}
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static double
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_pos_map_pow(double pos,
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double divis,
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int p)
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{
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double v = 1.0;
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int i;
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for (i = 0; i < p; i++) v *= pos;
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return ((pos * divis) * (1.0 - v)) + (pos * v);
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}
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static double
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_pos_map_spring(double pos,
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int bounces,
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double decfac)
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{
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int segnum, segpos, b1, b2;
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double len, decay, decpos, p2;
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if (bounces < 0) bounces = 0;
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p2 = _pos_map_pow(pos, 0.5, 3);
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len = (M_PI / 2.0) + ((double)bounces * M_PI);
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segnum = (bounces * 2) + 1;
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segpos = 2 * (((int)(p2 * segnum) + 1) / 2);
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b1 = segpos;
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b2 = segnum + 1;
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if (b1 < 0) b1 = 0;
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decpos = (double)b1 / (double)b2;
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decay = _pos_map_accel_factor(1.0 - decpos, decfac);
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return _pos_map_sin((M_PI / 2.0) + (p2 * len)) * decay;
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}
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static double
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_cubic_bezier_a (double a1, double a2)
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{
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return 1.0 - 3.0 * a2 + 3.0 * a1;
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}
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static double
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_cubic_bezier_b (double a1, double a2)
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{
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return 3.0 * a2 - 6.0 * a1;
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}
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static double
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_cubic_bezier_c(double a1)
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{
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return 3.0 * a1;
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}
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static double
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_cubic_bezier_calc(double t,
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double a1,
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double a2)
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{
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return ((_cubic_bezier_a(a1, a2) * t +
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_cubic_bezier_b(a1, a2)) * t +
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_cubic_bezier_c(a1)) * t;
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}
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static double
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_cubic_bezier_slope_get(double t,
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double a1,
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double a2)
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{
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return 3.0 * _cubic_bezier_a(a1, a2) * t * t +
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2.0 * _cubic_bezier_b(a1, a2) * t +
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_cubic_bezier_c(a1);
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}
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static double
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_cubic_bezier_t_get(double a,
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double x1,
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double x2)
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{
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#define APPROXIMATE_RANGE(val) \
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((((val) < 0.01) && ((val) > -0.01)) ? EINA_TRUE : EINA_FALSE)
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const int LIMIT = 100;
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double current_slope;
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double change;
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double current_x;
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double guess_t = a;
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for (int i = 0; i < LIMIT; i++)
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{
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current_slope = _cubic_bezier_slope_get(guess_t, x1, x2);
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if (current_slope == 0.0) return guess_t;
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current_x = _cubic_bezier_calc(guess_t, x1, x2) - a;
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change = current_x / current_slope;
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guess_t -= change;
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if (APPROXIMATE_RANGE(change)) break;
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}
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return guess_t;
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}
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static double
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_pos_map_cubic_bezier(double pos,
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double x1,
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double y1,
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double x2,
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double y2)
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{
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if (x1 == y1 && x2 == y2) return pos;
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return _cubic_bezier_calc(_cubic_bezier_t_get(pos, x1, x2), y1, y2);
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}
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#define DBL_TO(Fp) eina_f32p32_double_to(Fp)
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#define DBL_FROM(D) eina_f32p32_double_from(D)
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#define INT_FROM(I) eina_f32p32_int_from(I)
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#define SIN(Fp) eina_f32p32_sin(Fp)
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#define COS(Fp) eina_f32p32_cos(Fp)
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#define ADD(A, B) eina_f32p32_add(A, B)
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#define SUB(A, B) eina_f32p32_sub(A, B)
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#define MUL(A, B) eina_f32p32_mul(A, B)
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EAPI double
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ecore_animator_pos_map_n(double pos,
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Ecore_Pos_Map map,
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int v_size,
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double *v)
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{
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double v0 = 0, v1 = 0, v2 = 0, v3 = 0;
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/* purely functional - locking not required */
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if (pos >= 1.0) return 1.0;
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else if (pos <= 0.0)
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return 0.0;
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switch (map)
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{
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case ECORE_POS_MAP_LINEAR:
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return pos;
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case ECORE_POS_MAP_ACCELERATE:
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/* pos = 1 - sin(Pi / 2 + pos * Pi / 2); */
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pos = DBL_TO(SUB(INT_FROM(1), SIN(ADD((EINA_F32P32_PI >> 1), MUL(DBL_FROM(pos), (EINA_F32P32_PI >> 1))))));
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return pos;
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case ECORE_POS_MAP_DECELERATE:
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/* pos = sin(pos * Pi / 2); */
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pos = DBL_TO(SIN(MUL(DBL_FROM(pos), (EINA_F32P32_PI >> 1))));
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return pos;
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case ECORE_POS_MAP_SINUSOIDAL:
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/* pos = (1 - cos(pos * Pi)) / 2 */
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pos = DBL_TO((SUB(INT_FROM(1), COS(MUL(DBL_FROM(pos), EINA_F32P32_PI)))) >> 1);
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return pos;
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case ECORE_POS_MAP_ACCELERATE_FACTOR:
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if (v_size > 0) v0 = v[0];
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pos = _pos_map_accel_factor(pos, v0);
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return pos;
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case ECORE_POS_MAP_DECELERATE_FACTOR:
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if (v_size > 0) v0 = v[0];
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pos = 1.0 - _pos_map_accel_factor(1.0 - pos, v0);
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return pos;
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case ECORE_POS_MAP_SINUSOIDAL_FACTOR:
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if (v_size > 0) v0 = v[0];
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if (pos < 0.5) pos = _pos_map_accel_factor(pos * 2.0, v0) / 2.0;
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else pos = 1.0 - (_pos_map_accel_factor((1.0 - pos) * 2.0, v0) / 2.0);
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return pos;
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case ECORE_POS_MAP_DIVISOR_INTERP:
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if (v_size > 0) v0 = v[0];
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if (v_size > 1) v1 = v[1];
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pos = _pos_map_pow(pos, v0, (int)v1);
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return pos;
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case ECORE_POS_MAP_BOUNCE:
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if (v_size > 0) v0 = v[0];
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if (v_size > 1) v1 = v[1];
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pos = _pos_map_spring(pos, (int)v1, v0);
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if (pos < 0.0) pos = -pos;
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pos = 1.0 - pos;
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return pos;
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case ECORE_POS_MAP_SPRING:
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if (v_size > 0) v0 = v[0];
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if (v_size > 1) v1 = v[1];
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pos = 1.0 - _pos_map_spring(pos, (int)v1, v0);
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return pos;
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case ECORE_POS_MAP_CUBIC_BEZIER:
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if (v_size > 0) v0 = v[0];
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if (v_size > 1) v1 = v[1];
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if (v_size > 2) v2 = v[2];
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if (v_size > 3) v3 = v[3];
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pos = _pos_map_cubic_bezier(pos, v0, v1, v2, v3);
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return pos;
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default:
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return pos;
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}
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return pos;
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}
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EAPI double
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ecore_animator_pos_map(double pos,
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Ecore_Pos_Map map,
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double v1,
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double v2)
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{
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double v[2];
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v[0] = v1;
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v[1] = v2;
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return ecore_animator_pos_map_n(pos, map, 2, v);
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}
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EAPI void *
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ecore_animator_del(Ecore_Animator *obj)
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{
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void *data = NULL;
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if (!obj) return NULL;
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EINA_MAIN_LOOP_CHECK_RETURN_VAL(NULL);
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Ecore_Animator_Data *animator = eo_data_scope_get(obj, MY_CLASS);
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_ecore_lock();
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if (!animator) goto unlock;
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if (animator->delete_me)
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{
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data = animator->data;
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goto unlock;
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}
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animator->delete_me = EINA_TRUE;
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animators_delete_me++;
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if (animator->run_func)
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data = animator->run_data;
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else
|
|
data = animator->data;
|
|
unlock:
|
|
_ecore_unlock();
|
|
return data;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_ecore_animator_eo_base_destructor(Eo *obj, Ecore_Animator_Data *pd)
|
|
{
|
|
pd->delete_me = EINA_TRUE;
|
|
animators_delete_me++;
|
|
|
|
eo_do_super(obj, MY_CLASS, eo_destructor());
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_frametime_set(double frametime)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
_ecore_lock();
|
|
if (frametime < 0.0) frametime = 0.0;
|
|
if (animators_frametime == frametime) goto unlock;
|
|
animators_frametime = frametime;
|
|
_end_tick();
|
|
if (_have_animators()) _begin_tick();
|
|
unlock:
|
|
_ecore_unlock();
|
|
}
|
|
|
|
EAPI double
|
|
ecore_animator_frametime_get(void)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN_VAL(0.0);
|
|
return animators_frametime;
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_freeze(Ecore_Animator *animator)
|
|
{
|
|
ECORE_ANIMATOR_CHECK(animator);
|
|
eo_do(animator, eo_event_freeze());
|
|
}
|
|
|
|
EOLIAN static void
|
|
_ecore_animator_eo_base_event_freeze(Eo *obj EINA_UNUSED, Ecore_Animator_Data *animator)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
_ecore_lock();
|
|
if (animator->delete_me) goto unlock;
|
|
if (!animator->suspended)
|
|
{
|
|
animator->suspended = EINA_TRUE;
|
|
animators_suspended++;
|
|
if (!_have_animators()) _end_tick();
|
|
}
|
|
unlock:
|
|
_ecore_unlock();
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_thaw(Ecore_Animator *animator)
|
|
{
|
|
ECORE_ANIMATOR_CHECK(animator);
|
|
eo_do(animator, eo_event_thaw());
|
|
}
|
|
|
|
EOLIAN static void
|
|
_ecore_animator_eo_base_event_thaw(Eo *obj EINA_UNUSED, Ecore_Animator_Data *animator)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
|
|
_ecore_lock();
|
|
if (animator->delete_me) goto unlock;
|
|
if (animator->suspended)
|
|
{
|
|
animator->suspended = EINA_FALSE;
|
|
animators_suspended--;
|
|
if (_have_animators()) _begin_tick();
|
|
}
|
|
unlock:
|
|
_ecore_unlock();
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_source_set(Ecore_Animator_Source source)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
_ecore_lock();
|
|
_end_tick();
|
|
src = source;
|
|
if (_have_animators()) _begin_tick();
|
|
_ecore_unlock();
|
|
}
|
|
|
|
EAPI Ecore_Animator_Source
|
|
ecore_animator_source_get(void)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN_VAL(0);
|
|
return src;
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_custom_source_tick_begin_callback_set(Ecore_Cb func,
|
|
const void *data)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
_ecore_lock();
|
|
_end_tick();
|
|
begin_tick_cb = func;
|
|
begin_tick_data = data;
|
|
if (_have_animators()) _begin_tick();
|
|
_ecore_unlock();
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_custom_source_tick_end_callback_set(Ecore_Cb func,
|
|
const void *data)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
_ecore_lock();
|
|
_end_tick();
|
|
end_tick_cb = func;
|
|
end_tick_data = data;
|
|
if (_have_animators()) _begin_tick();
|
|
_ecore_unlock();
|
|
}
|
|
|
|
EAPI void
|
|
ecore_animator_custom_tick(void)
|
|
{
|
|
EINA_MAIN_LOOP_CHECK_RETURN;
|
|
_ecore_lock();
|
|
if (src == ECORE_ANIMATOR_SOURCE_CUSTOM) _do_tick();
|
|
_ecore_unlock();
|
|
}
|
|
|
|
void
|
|
_ecore_animator_shutdown(void)
|
|
{
|
|
_end_tick();
|
|
while (animators)
|
|
{
|
|
Ecore_Animator_Data *animator;
|
|
|
|
animator = animators;
|
|
if (animator->suspended) animators_suspended--;
|
|
animators = (Ecore_Animator_Data *)eina_inlist_remove(EINA_INLIST_GET(animators), EINA_INLIST_GET(animators));
|
|
|
|
eo_do(animator->obj, eo_parent_set(NULL));
|
|
if (eo_destructed_is(animator->obj))
|
|
eo_manual_free(animator->obj);
|
|
else
|
|
eo_manual_free_set(animator->obj, EINA_FALSE);
|
|
}
|
|
}
|
|
|
|
void
|
|
_ecore_animator_run_reset(void)
|
|
{
|
|
animator_ran = EINA_FALSE;
|
|
}
|
|
|
|
Eina_Bool
|
|
_ecore_animator_run_get(void)
|
|
{
|
|
return animator_ran;
|
|
}
|
|
|
|
static Eina_Bool
|
|
_ecore_animator_run(void *data)
|
|
{
|
|
Ecore_Animator *obj = data;
|
|
Ecore_Animator_Data *animator = eo_data_scope_get(obj, MY_CLASS);
|
|
|
|
double pos = 0.0, t;
|
|
Eina_Bool run_ret;
|
|
|
|
t = ecore_loop_time_get();
|
|
if (animator->run > 0.0)
|
|
{
|
|
pos = (t - animator->start) / animator->run;
|
|
if (pos > 1.0) pos = 1.0;
|
|
else if (pos < 0.0)
|
|
pos = 0.0;
|
|
}
|
|
run_ret = animator->run_func(animator->run_data, pos);
|
|
if (t >= (animator->start + animator->run)) run_ret = EINA_FALSE;
|
|
return run_ret;
|
|
}
|
|
|
|
static Eina_Bool
|
|
_ecore_animator(void *data EINA_UNUSED)
|
|
{
|
|
double t;
|
|
|
|
Eina_Bool r;
|
|
_ecore_lock();
|
|
// set _ecore_time_loop_time to the EXACT time that the timer
|
|
// should have ticked off (even if it didn't)
|
|
// if you have a custom animator tick, you may need to adjust inside
|
|
// it before calling ecore_animator_custom_tick()
|
|
t = fmod(_ecore_time_loop_time, animators_frametime);
|
|
_ecore_time_loop_time -= t;
|
|
r = _do_tick();
|
|
_ecore_unlock();
|
|
return r;
|
|
}
|
|
|
|
#include "ecore_animator.eo.c"
|