1 #include "../../lv_examples.h"
2 #if LV_USE_IMGBTN && LV_BUILD_EXAMPLES
3
lv_example_imgbtn_1(void)4 void lv_example_imgbtn_1(void)
5 {
6 LV_IMG_DECLARE(imgbtn_left);
7 LV_IMG_DECLARE(imgbtn_right);
8 LV_IMG_DECLARE(imgbtn_mid);
9
10 /*Create a transition animation on width transformation and recolor.*/
11 static lv_style_prop_t tr_prop[] = {LV_STYLE_TRANSFORM_WIDTH, LV_STYLE_IMG_RECOLOR_OPA, 0};
12 static lv_style_transition_dsc_t tr;
13 lv_style_transition_dsc_init(&tr, tr_prop, lv_anim_path_linear, 200, 0, NULL);
14
15 static lv_style_t style_def;
16 lv_style_init(&style_def);
17 lv_style_set_text_color(&style_def, lv_color_white());
18 lv_style_set_transition(&style_def, &tr);
19
20 /*Darken the button when pressed and make it wider*/
21 static lv_style_t style_pr;
22 lv_style_init(&style_pr);
23 lv_style_set_img_recolor_opa(&style_pr, LV_OPA_30);
24 lv_style_set_img_recolor(&style_pr, lv_color_black());
25 lv_style_set_transform_width(&style_pr, 20);
26
27 /*Create an image button*/
28 lv_obj_t * imgbtn1 = lv_imgbtn_create(lv_scr_act());
29 lv_imgbtn_set_src(imgbtn1, LV_IMGBTN_STATE_RELEASED, &imgbtn_left, &imgbtn_mid, &imgbtn_right);
30 lv_obj_add_style(imgbtn1, &style_def, 0);
31 lv_obj_add_style(imgbtn1, &style_pr, LV_STATE_PRESSED);
32
33 lv_obj_align(imgbtn1, LV_ALIGN_CENTER, 0, 0);
34
35 /*Create a label on the image button*/
36 lv_obj_t * label = lv_label_create(imgbtn1);
37 lv_label_set_text(label, "Button");
38 lv_obj_align(label, LV_ALIGN_CENTER, 0, -4);
39 }
40
41 #endif
42
