You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
4.9 KiB
Python
144 lines
4.9 KiB
Python
class LV_ExampleAnimTimeline_1(object):
|
|
|
|
def __init__(self):
|
|
self.obj_width = 120
|
|
self.obj_height = 150
|
|
#
|
|
# Create an animation timeline
|
|
#
|
|
|
|
self.par = lv.scr_act()
|
|
self.par.set_flex_flow(lv.FLEX_FLOW.ROW)
|
|
self.par.set_flex_align(lv.FLEX_ALIGN.SPACE_AROUND, lv.FLEX_ALIGN.CENTER, lv.FLEX_ALIGN.CENTER)
|
|
|
|
self.btn_run = lv.btn(self.par)
|
|
self.btn_run.add_event_cb(self.btn_run_event_handler, lv.EVENT.VALUE_CHANGED, None)
|
|
self.btn_run.add_flag(lv.obj.FLAG.IGNORE_LAYOUT)
|
|
self.btn_run.add_flag(lv.obj.FLAG.CHECKABLE)
|
|
self.btn_run.align(lv.ALIGN.TOP_MID, -50, 20)
|
|
|
|
self.label_run = lv.label(self.btn_run)
|
|
self.label_run.set_text("Run")
|
|
self.label_run.center()
|
|
|
|
self.btn_del = lv.btn(self.par)
|
|
self.btn_del.add_event_cb(self.btn_del_event_handler, lv.EVENT.CLICKED, None)
|
|
self.btn_del.add_flag(lv.obj.FLAG.IGNORE_LAYOUT)
|
|
self.btn_del.align(lv.ALIGN.TOP_MID, 50, 20)
|
|
|
|
self.label_del = lv.label(self.btn_del)
|
|
self.label_del.set_text("Stop")
|
|
self.label_del.center()
|
|
|
|
self.slider = lv.slider(self.par)
|
|
self.slider.add_event_cb(self.slider_prg_event_handler, lv.EVENT.VALUE_CHANGED, None)
|
|
self.slider.add_flag(lv.obj.FLAG.IGNORE_LAYOUT)
|
|
self.slider.align(lv.ALIGN.BOTTOM_RIGHT, -20, -20)
|
|
self.slider.set_range(0, 65535)
|
|
|
|
self.obj1 = lv.obj(self.par)
|
|
self.obj1.set_size(self.obj_width, self.obj_height)
|
|
|
|
self.obj2 = lv.obj(self.par)
|
|
self.obj2.set_size(self.obj_width, self.obj_height)
|
|
|
|
self.obj3 = lv.obj(self.par)
|
|
self.obj3.set_size(self.obj_width, self.obj_height)
|
|
|
|
self.anim_timeline = None
|
|
|
|
def set_width(self,obj, v):
|
|
obj.set_width(v)
|
|
|
|
def set_height(self,obj, v):
|
|
obj.set_height(v)
|
|
|
|
def anim_timeline_create(self):
|
|
# obj1
|
|
self.a1 = lv.anim_t()
|
|
self.a1.init()
|
|
self.a1.set_values(0, self.obj_width)
|
|
self.a1.set_early_apply(False)
|
|
self.a1.set_custom_exec_cb(lambda a,v: self.set_width(self.obj1,v))
|
|
self.a1.set_path_cb(lv.anim_t.path_overshoot)
|
|
self.a1.set_time(300)
|
|
|
|
self.a2 = lv.anim_t()
|
|
self.a2.init()
|
|
self.a2.set_values(0, self.obj_height)
|
|
self.a2.set_early_apply(False)
|
|
self.a2.set_custom_exec_cb(lambda a,v: self.set_height(self.obj1,v))
|
|
self.a2.set_path_cb(lv.anim_t.path_ease_out)
|
|
self.a2.set_time(300)
|
|
|
|
# obj2
|
|
self.a3=lv.anim_t()
|
|
self.a3.init()
|
|
self.a3.set_values(0, self.obj_width)
|
|
self.a3.set_early_apply(False)
|
|
self.a3.set_custom_exec_cb(lambda a,v: self.set_width(self.obj2,v))
|
|
self.a3.set_path_cb(lv.anim_t.path_overshoot)
|
|
self.a3.set_time(300)
|
|
|
|
self.a4 = lv.anim_t()
|
|
self.a4.init()
|
|
self.a4.set_values(0, self.obj_height)
|
|
self.a4.set_early_apply(False)
|
|
self.a4.set_custom_exec_cb(lambda a,v: self.set_height(self.obj2,v))
|
|
self.a4.set_path_cb(lv.anim_t.path_ease_out)
|
|
self.a4.set_time(300)
|
|
|
|
# obj3
|
|
self.a5 = lv.anim_t()
|
|
self.a5.init()
|
|
self.a5.set_values(0, self.obj_width)
|
|
self.a5.set_early_apply(False)
|
|
self.a5.set_custom_exec_cb(lambda a,v: self.set_width(self.obj3,v))
|
|
self.a5.set_path_cb(lv.anim_t.path_overshoot)
|
|
self.a5.set_time(300)
|
|
|
|
self.a6 = lv.anim_t()
|
|
self.a6.init()
|
|
self.a6.set_values(0, self.obj_height)
|
|
self.a6.set_early_apply(False)
|
|
self.a6.set_custom_exec_cb(lambda a,v: self.set_height(self.obj3,v))
|
|
self.a6.set_path_cb(lv.anim_t.path_ease_out)
|
|
self.a6.set_time(300)
|
|
|
|
# Create anim timeline
|
|
print("Create new anim_timeline")
|
|
self.anim_timeline = lv.anim_timeline_create()
|
|
lv.anim_timeline_add(self.anim_timeline, 0, self.a1)
|
|
lv.anim_timeline_add(self.anim_timeline, 0, self.a2)
|
|
lv.anim_timeline_add(self.anim_timeline, 200, self.a3)
|
|
lv.anim_timeline_add(self.anim_timeline, 200, self.a4)
|
|
lv.anim_timeline_add(self.anim_timeline, 400, self.a5)
|
|
lv.anim_timeline_add(self.anim_timeline, 400, self.a6)
|
|
|
|
def slider_prg_event_handler(self,e):
|
|
slider = e.get_target()
|
|
|
|
if not self.anim_timeline:
|
|
self.anim_timeline_create()
|
|
|
|
progress = slider.get_value()
|
|
lv.anim_timeline_set_progress(self.anim_timeline, progress)
|
|
|
|
|
|
def btn_run_event_handler(self,e):
|
|
btn = e.get_target()
|
|
if not self.anim_timeline:
|
|
self.anim_timeline_create()
|
|
|
|
reverse = btn.has_state(lv.STATE.CHECKED)
|
|
lv.anim_timeline_set_reverse(self.anim_timeline,reverse)
|
|
lv.anim_timeline_start(self.anim_timeline)
|
|
|
|
def btn_del_event_handler(self,e):
|
|
if self.anim_timeline:
|
|
lv.anim_timeline_del(self.anim_timeline)
|
|
self.anim_timeline = None
|
|
|
|
|
|
lv_example_anim_timeline_1 = LV_ExampleAnimTimeline_1()
|