99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include <stdint.h>
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#include <math.h>
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#include "lvgl.h"
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#include "ui_main.h"
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#ifndef PI
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#define PI (3.14159f)
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#endif
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static lv_obj_t *arc[3];
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static void (*g_boot_anim_end_cb)(void) = NULL;
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static void anim_timer_cb(lv_timer_t *timer)
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{
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static int32_t count = -90;
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lv_obj_t *page = (lv_obj_t *) timer->user_data;
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static lv_obj_t *img_logo = NULL;
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static lv_obj_t *img_text = NULL;
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if (-90 == count) {
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LV_IMG_DECLARE(esp_logo);
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img_logo = lv_img_create(page);
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lv_img_set_src(img_logo, &esp_logo);
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lv_obj_center(img_logo);
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}
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if (count < 90) {
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lv_coord_t arc_start = count > 0 ? (1 - cosf(count / 180.0f * PI)) * 270 : 0;
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lv_coord_t arc_len = (sinf(count / 180.0f * PI) + 1) * 135;
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for (size_t i = 0; i < sizeof(arc) / sizeof(arc[0]); i++) {
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lv_arc_set_bg_angles(arc[i], arc_start, arc_len);
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lv_arc_set_rotation(arc[i], (count + 120 * (i + 1)) % 360);
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}
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}
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if (count == 90) {
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for (size_t i = 0; i < sizeof(arc) / sizeof(arc[0]); i++) {
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lv_obj_del(arc[i]);
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}
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LV_IMG_DECLARE(esp_text);
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img_text = lv_img_create(page);
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lv_img_set_src(img_text, &esp_text);
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lv_obj_set_style_img_opa(img_text, 0, 0);
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}
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if ((count >= 100) && (count <= 180)) {
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lv_coord_t offset = (sinf((count - 140) * 2.25f / 90.0f) + 1) * 15.0f;
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lv_obj_align(img_logo, LV_ALIGN_CENTER, 0, -offset);
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lv_obj_align(img_text, LV_ALIGN_CENTER, 0, 2 * offset);
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lv_obj_set_style_img_opa(img_text, offset / 30.0f * 255, 0);
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}
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if ((count += 2) >= 300) {
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lv_timer_del(timer);
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lv_obj_del(page);
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if (g_boot_anim_end_cb) {
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g_boot_anim_end_cb();
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}
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}
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}
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void boot_animate_start(void (*fn)(void))
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{
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g_boot_anim_end_cb = fn;
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lv_obj_t *page = lv_obj_create(lv_scr_act());
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lv_obj_set_size(page, lv_obj_get_width(lv_obj_get_parent(page)), lv_obj_get_height(lv_obj_get_parent(page)));
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lv_obj_clear_flag(page, LV_OBJ_FLAG_SCROLLABLE);
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lv_obj_set_style_radius(page, 0, LV_PART_MAIN);
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const lv_color_t arc_color[] = {
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LV_COLOR_MAKE(237, 228, 239),
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LV_COLOR_MAKE(211, 211, 211),
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LV_COLOR_MAKE(239, 218, 218),
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};
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for (size_t i = 0; i < sizeof(arc) / sizeof(arc[0]); i++) {
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arc[i] = lv_arc_create(page);
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lv_obj_set_size(arc[i], 220 - 30 * i, 220 - 30 * i);
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lv_arc_set_bg_angles(arc[i], 120 * i, 0 + 120 * i);
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lv_arc_set_value(arc[i], 0);
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lv_obj_remove_style(arc[i], NULL, LV_PART_KNOB);
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lv_obj_set_style_arc_width(arc[i], 9, 0);
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lv_obj_set_style_arc_color(arc[i], arc_color[i], 0);
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lv_obj_center(arc[i]);
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}
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/* Create a timer to update time */
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lv_timer_create(anim_timer_cb, 20, page);
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}
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