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fix(demo): fix memory leak in vector demo (#5643)

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This commit is contained in:
Gabor Kiss-Vamosi
2024-02-13 09:56:13 +01:00
committed by GitHub
parent e6dc2f05d2
commit 3db226bc81
1 changed files with 8 additions and 0 deletions
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8
demos/vector_graphic/lv_demo_vector_graphic.c
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@@ -242,6 +242,13 @@ static void draw_vector(lv_layer_t * layer)
lv_vector_dsc_delete(ctx); lv_vector_dsc_delete(ctx);
} }
static void delete_event_cb(lv_event_t * e)
{
lv_obj_t * obj = lv_event_get_target(e);
lv_draw_buf_t * draw_buf = lv_canvas_get_draw_buf(obj);
lv_draw_buf_destroy(draw_buf);
}
/********************** /**********************
* STATIC VARIABLES * STATIC VARIABLES
**********************/ **********************/
@@ -259,6 +266,7 @@ void lv_demo_vector_graphic(void)
lv_draw_buf_t * draw_buf = lv_draw_buf_create(WIDTH, HEIGHT, LV_COLOR_FORMAT_ARGB8888, LV_STRIDE_AUTO); lv_draw_buf_t * draw_buf = lv_draw_buf_create(WIDTH, HEIGHT, LV_COLOR_FORMAT_ARGB8888, LV_STRIDE_AUTO);
lv_obj_t * canvas = lv_canvas_create(lv_scr_act()); lv_obj_t * canvas = lv_canvas_create(lv_scr_act());
lv_canvas_set_draw_buf(canvas, draw_buf); lv_canvas_set_draw_buf(canvas, draw_buf);
lv_obj_add_event_cb(canvas, delete_event_cb, LV_EVENT_DELETE, NULL);
lv_layer_t layer; lv_layer_t layer;
lv_canvas_init_layer(canvas, &layer); lv_canvas_init_layer(canvas, &layer);