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fix(chart) fixed cursor positioning with large Y rescaling without LV_USE_LARGE_COORD (#2399)

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EnricoLusaEGF 2021-07-23 13:43:21 +02:00 committed by GitHub
parent 71a10e4ecd
commit 1b7e2b5103
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1 changed files with 4 additions and 3 deletions
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7
src/extra/widgets/chart/lv_chart.c
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@ -303,9 +303,10 @@ void lv_chart_get_point_pos_by_id(lv_obj_t * obj, lv_chart_series_t * ser, uint1
p_out->x += lv_obj_get_style_pad_left(obj, LV_PART_MAIN) + border_width;
p_out->x -= lv_obj_get_scroll_left(obj);
p_out->y = (int32_t)((int32_t)ser->y_points[id] - chart->ymin[ser->y_axis_sec]) * h;
p_out->y = p_out->y / (chart->ymax[ser->y_axis_sec] - chart->ymin[ser->y_axis_sec]);
p_out->y = h - p_out->y;
int32_t temp_y = 0;
temp_y = (int32_t)((int32_t)ser->y_points[id] - chart->ymin[ser->y_axis_sec]) * h;
temp_y = temp_y / (chart->ymax[ser->y_axis_sec] - chart->ymin[ser->y_axis_sec]);
p_out->y = h - temp_y;
p_out->y += lv_obj_get_style_pad_top(obj, LV_PART_MAIN) + border_width;
}