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fix(meter) use antialaising on needle rotation and fix needle invalidation artifact

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Gabor Kiss-Vamosi
2021-04-28 17:47:36 +02:00
parent bed49e5e05
commit ff2c2e5d33
2 changed files with 6 additions and 5 deletions
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1
examples/widgets/meter/lv_example_meter_3.c
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@@ -15,6 +15,7 @@ static void set_value(void * indic, int32_t v)
void lv_example_meter_3(void)
{
meter = lv_meter_create(lv_scr_act());
lv_obj_set_size(meter, 220, 220);
lv_obj_center(meter);
/*Create a scale for the minutes*/

10
src/widgets/lv_meter.c
View File

@@ -556,7 +556,7 @@ static void draw_needles(lv_obj_t * obj, const lv_area_t * clip_area, const lv_a
lv_draw_img_dsc_t img_dsc;
lv_draw_img_dsc_init(&img_dsc);
lv_obj_init_draw_img_dsc(obj, LV_PART_INDICATOR, &img_dsc);
img_dsc.antialias = 1;
lv_opa_t opa_main = lv_obj_get_style_opa(obj, LV_PART_MAIN);
_LV_LL_READ_BACK(&meter->scale_ll, scale) {
@@ -675,10 +675,10 @@ static void inv_line(lv_obj_t * obj, lv_meter_indicator_t * indic, int32_t value
lv_area_t a;
_lv_img_buf_get_transformed_area(&a, info.w, info.h, angle, LV_IMG_ZOOM_NONE, &indic->type_data.needle_img.pivot);
a.x1 += scale_center.x;
a.y1 += scale_center.y;
a.x2 += scale_center.x;
a.y2 += scale_center.y;
a.x1 += scale_center.x - 2;
a.y1 += scale_center.y - 2;
a.x2 += scale_center.x + 2;
a.y2 += scale_center.y + 2;
lv_obj_invalidate_area(obj, &a);
}