#include "../../lv_examples.h" #if LV_USE_IMGBTN && LV_BUILD_EXAMPLES void lv_example_imgbtn_1(void) { LV_IMG_DECLARE(imgbtn_left); LV_IMG_DECLARE(imgbtn_right); LV_IMG_DECLARE(imgbtn_mid); /*Create a transition animation on width transformation and recolor.*/ static lv_style_prop_t tr_prop[] = {LV_STYLE_TRANSFORM_WIDTH, LV_STYLE_IMG_RECOLOR_OPA, 0}; static lv_style_transition_dsc_t tr; lv_style_transition_dsc_init(&tr, tr_prop, lv_anim_path_linear, 200, 0, NULL); static lv_style_t style_def; lv_style_init(&style_def); lv_style_set_text_color(&style_def, lv_color_white()); lv_style_set_transition(&style_def, &tr); /*Darken the button when pressed and make it wider*/ static lv_style_t style_pr; lv_style_init(&style_pr); lv_style_set_img_recolor_opa(&style_pr, LV_OPA_30); lv_style_set_img_recolor(&style_pr, lv_color_black()); lv_style_set_transform_width(&style_pr, 20); /*Create an image button*/ lv_obj_t * imgbtn1 = lv_imgbtn_create(lv_scr_act()); lv_imgbtn_set_src(imgbtn1, LV_IMGBTN_STATE_RELEASED, &imgbtn_left, &imgbtn_mid, &imgbtn_right); lv_obj_add_style(imgbtn1, &style_def, 0); lv_obj_add_style(imgbtn1, &style_pr, LV_STATE_PRESSED); lv_obj_align(imgbtn1, LV_ALIGN_CENTER, 0, 0); /*Create a label on the image button*/ lv_obj_t * label = lv_label_create(imgbtn1); lv_label_set_text(label, "Button"); lv_obj_align(label, LV_ALIGN_CENTER, 0, -4); } #endif