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feat(draw): add convenience methods for safely getting correct draw descriptor (#5505)

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This commit is contained in:
Johannes Marbach
2024-01-29 08:19:58 +01:00
committed by GitHub
parent 019aa8d561
commit 152dc0b2be
23 changed files with 176 additions and 71 deletions
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7
examples/widgets/chart/lv_example_chart_4.c
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@@ -7,9 +7,12 @@ static void draw_event_cb(lv_event_t * e)
lv_draw_task_t * draw_task = lv_event_get_draw_task(e);
lv_draw_dsc_base_t * base_dsc = draw_task->draw_dsc;
if(base_dsc->part == LV_PART_ITEMS && draw_task->type == LV_DRAW_TASK_TYPE_FILL) {
lv_draw_fill_dsc_t * fill_dsc = draw_task->draw_dsc;
if(base_dsc->part != LV_PART_ITEMS) {
return;
}
lv_draw_fill_dsc_t * fill_dsc = lv_draw_task_get_fill_dsc(draw_task);
if(fill_dsc) {
lv_obj_t * chart = lv_event_get_target(e);
int32_t * y_array = lv_chart_get_y_array(chart, lv_chart_get_series_next(chart, NULL));
int32_t v = y_array[base_dsc->id2];