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fix(example) lv_example_roller_3

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This commit is contained in:
Gabor Kiss-Vamosi 2021-05-21 11:31:06 +02:00
parent 33ab14568a
commit bb066f2f72
1 changed files with 15 additions and 11 deletions
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26
examples/widgets/roller/lv_example_roller_3.c
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@ -6,6 +6,9 @@ static void mask_event_cb(lv_event_t * e)
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
static int16_t mask_top_id = -1;
static int16_t mask_bottom_id = -1;
if (code == LV_EVENT_COVER_CHECK) {
lv_event_set_cover_res(e, LV_COVER_RES_MASKED);
@ -24,22 +27,24 @@ static void mask_event_cb(lv_event_t * e)
rect_area.y1 = roller_coords.y1;
rect_area.y2 = roller_coords.y1 + (lv_obj_get_height(obj) - font_h - line_space) / 2;
lv_draw_mask_fade_param_t * fade_mask_top = (lv_draw_mask_fade_param_t*)lv_mem_buf_get(sizeof(lv_draw_mask_fade_param_t));
lv_draw_mask_fade_param_t * fade_mask_top = lv_mem_buf_get(sizeof(lv_draw_mask_fade_param_t));
lv_draw_mask_fade_init(fade_mask_top, &rect_area, LV_OPA_TRANSP, rect_area.y1, LV_OPA_COVER, rect_area.y2);
lv_draw_mask_add(fade_mask_top, obj);
mask_top_id = lv_draw_mask_add(fade_mask_top, NULL);
rect_area.y1 = rect_area.y2 + font_h + line_space - 1;
rect_area.y2 = roller_coords.y2;
lv_draw_mask_fade_param_t * fade_mask_bottom = (lv_draw_mask_fade_param_t*)lv_mem_buf_get(sizeof(lv_draw_mask_fade_param_t));
lv_draw_mask_fade_param_t * fade_mask_bottom =lv_mem_buf_get(sizeof(lv_draw_mask_fade_param_t));
lv_draw_mask_fade_init(fade_mask_bottom, &rect_area, LV_OPA_COVER, rect_area.y1, LV_OPA_TRANSP, rect_area.y2);
lv_draw_mask_add(fade_mask_bottom, obj + 1);
mask_bottom_id = lv_draw_mask_add(fade_mask_bottom, NULL);
} else if (code == LV_EVENT_DRAW_POST_END) {
lv_draw_mask_fade_param_t * fade_mask_top = (lv_draw_mask_fade_param_t*)lv_draw_mask_remove_custom(obj);
lv_draw_mask_fade_param_t * fade_mask_bottom = (lv_draw_mask_fade_param_t*)lv_draw_mask_remove_custom(obj + 1);
lv_draw_mask_remove_custom(fade_mask_top);
lv_draw_mask_remove_custom(fade_mask_bottom);
lv_draw_mask_fade_param_t * fade_mask_top = lv_draw_mask_remove_id(mask_top_id);
lv_draw_mask_fade_param_t * fade_mask_bottom = lv_draw_mask_remove_id(mask_bottom_id);
lv_mem_buf_release(fade_mask_top);
lv_mem_buf_release(fade_mask_bottom);
mask_top_id = -1;
mask_bottom_id = -1;
}
}
@ -52,13 +57,12 @@ void lv_example_roller_3(void)
lv_style_init(&style);
lv_style_set_bg_color(&style, lv_color_black());
lv_style_set_text_color(&style, lv_color_white());
lv_style_set_border_width(&style, 0);
lv_style_set_pad_all(&style, 0);
lv_obj_add_style(lv_scr_act(), &style, 0);
lv_obj_t *roller1 = lv_roller_create(lv_scr_act());
lv_obj_add_style(roller1, &style, 0);
lv_obj_set_style_border_width(roller1, 0, 0);
lv_obj_set_style_pad_all(roller1, 0, 0);
lv_obj_set_style_bg_opa(roller1, LV_OPA_TRANSP, LV_PART_SELECTED);
#if LV_FONT_MONTSERRAT_22