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chart COLUMN draw speed optmize

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This commit is contained in:
Gabor Kiss-Vamosi 2019-05-20 07:19:00 +02:00
parent 22195f3455
commit ba9f0cf9bb
1 changed files with 5 additions and 2 deletions
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7
src/lv_objx/lv_chart.c
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@ -860,12 +860,15 @@ static void lv_chart_draw_cols(lv_obj_t * chart, const lv_area_t * mask)
LV_LL_READ_BACK(ext->series_ll, ser) {
lv_coord_t start_point = ext->update_mode == LV_CHART_UPDATE_MODE_SHIFT ? ser->start_point : 0;
rects.body.main_color = ser->color;
rects.body.grad_color = lv_color_mix(LV_COLOR_BLACK, ser->color, ext->series.dark);
col_a.x1 = x_act;
col_a.x2 = col_a.x1 + col_w;
x_act += col_w;
if(col_a.x2 < mask->x1) continue;
if(col_a.x1 > mask->x2) break;
rects.body.main_color = ser->color;
rects.body.grad_color = lv_color_mix(LV_COLOR_BLACK, ser->color, ext->series.dark);
lv_coord_t p_act = (start_point + i) % ext->point_cnt;
y_tmp = (int32_t)((int32_t) ser->points[p_act] - ext->ymin) * h;