lv_example_img_3 display error
Description
if remove the statement lv_anim_set_playback_time(&a, 3000);
When the image show from zoom value 256 to 128, the image that has zoom value 256 still on the screen, not be cleared.
What MCU/Processor/Board and compiler are you using?
Visual Studio 2019 simulator
What LVGL version are you using?
LVGL V8.3
What do you want to achieve?
Clear the previous image shown from the screen
What have you tried so far?
Code to reproduce
#include "../../lv_examples.h"
#if LV_USE_IMG && LV_BUILD_EXAMPLES
static void set_angle(void* img, int32_t v)
{
lv_img_set_angle(img, v);
}
static void set_zoom(void* img, int32_t v)
{
lv_img_set_zoom(img, v);
}
/**
* Show transformations (zoom and rotation) using a pivot point.
*/
void lv_example_img_3(void)
{
LV_IMG_DECLARE(img_cogwheel_argb);
/*Now create the actual image*/
lv_obj_t* img = lv_img_create(lv_scr_act());
lv_img_set_src(img, &img_cogwheel_argb);
lv_obj_align(img, LV_ALIGN_CENTER, 50, 50);
lv_img_set_pivot(img, 0, 0); /*Rotate around the top left corner*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_var(&a, img);
lv_anim_set_exec_cb(&a, set_angle);
lv_anim_set_values(&a, 0, 3600);
lv_anim_set_time(&a, 5000);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_start(&a);
lv_anim_set_exec_cb(&a, set_zoom);
lv_anim_set_values(&a, 128, 256);
//lv_anim_set_playback_time(&a, 3000);
lv_anim_start(&a);
}
#endif