fix(chart): fix accessing uninitialized point_area
@@ -1325,7 +1325,8 @@ static void draw_cursors(lv_obj_t * obj, lv_draw_ctx_t * draw_ctx)
cy += obj->coords.y1;
lv_area_t point_area;
- if(point_w && point_h) {
+ bool draw_point = point_w && point_h;
+ if(draw_point) {
point_area.x1 = cx - point_w;
point_area.x2 = cx + point_w;
point_area.y1 = cy - point_h;
@@ -1345,7 +1346,11 @@ static void draw_cursors(lv_obj_t * obj, lv_draw_ctx_t * draw_ctx)
lv_event_send(obj, LV_EVENT_DRAW_PART_BEGIN, &part_draw_dsc);
lv_draw_line(draw_ctx, &line_dsc_tmp, &p1, &p2);
+
+ if(draw_point) {
lv_draw_rect(draw_ctx, &point_dsc_tmp, &point_area);
+ }
+
lv_event_send(obj, LV_EVENT_DRAW_PART_END, &part_draw_dsc);
}
@@ -1357,7 +1362,11 @@ static void draw_cursors(lv_obj_t * obj, lv_draw_ctx_t * draw_ctx)
lv_event_send(obj, LV_EVENT_DRAW_PART_BEGIN, &part_draw_dsc);
lv_draw_line(draw_ctx, &line_dsc_tmp, &p1, &p2);
+
+ if(draw_point) {
lv_draw_rect(draw_ctx, &point_dsc_tmp, &point_area);
+ }
+
lv_event_send(obj, LV_EVENT_DRAW_PART_END, &part_draw_dsc);
}
}
