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fix(chart): optimize chart invalidation (#3028)

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* replace lv_chart_refresh by invalidate_point so the chart will be updated faster.

* Update lv_chart.c

It seems the second `invalidate_point` is extra and can be removed.

* Update src/extra/widgets/chart/lv_chart.c

Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
This commit is contained in:
Ali Rostami 2022-02-18 15:00:47 +03:30 committed by GitHub
parent 2be4e82991
commit f23ae6e67c
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1 changed files with 2 additions and 6 deletions
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8
src/extra/widgets/chart/lv_chart.c
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@ -539,7 +539,6 @@ void lv_chart_set_next_value(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t
invalidate_point(obj, ser->start_point);
ser->start_point = (ser->start_point + 1) % chart->point_cnt;
invalidate_point(obj, ser->start_point);
lv_chart_refresh(obj);
}
void lv_chart_set_next_value2(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t x_value, lv_coord_t y_value)
@ -556,11 +555,8 @@ void lv_chart_set_next_value2(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_
ser->x_points[ser->start_point] = x_value;
ser->y_points[ser->start_point] = y_value;
invalidate_point(obj, ser->start_point);
ser->start_point = (ser->start_point + 1) % chart->point_cnt;
invalidate_point(obj, ser->start_point);
lv_chart_refresh(obj);
}
void lv_chart_set_value_by_id(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t id, lv_coord_t value)
@ -571,7 +567,7 @@ void lv_chart_set_value_by_id(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t
if(id >= chart->point_cnt) return;
ser->y_points[id] = value;
lv_chart_refresh(obj);
invalidate_point(obj, id);
}
void lv_chart_set_value_by_id2(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t id, lv_coord_t x_value,
@ -589,7 +585,7 @@ void lv_chart_set_value_by_id2(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t
if(id >= chart->point_cnt) return;
ser->x_points[id] = x_value;
ser->y_points[id] = y_value;
lv_chart_refresh(obj);
invalidate_point(obj, id);
}
void lv_chart_set_ext_y_array(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t array[])