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domotic/components/lvgl__lvgl/demos/gltf/lv_demo_gltf.c
Marc PASTEUR d132f39ff8 move lvgl
2025-12-19 18:08:19 +01:00

579 lines
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/**
* @file lv_demo_gltf.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_demo_gltf.h"
#if LV_USE_DEMO_GLTF
#include "../../lvgl_private.h"
/*********************
* DEFINES
*********************/
#define PI_TO_RAD 0.01745329238f
#define SLIDER_COLOR lv_color_hex(0x26A69A)
#define PLAY_BTN_COLOR lv_color_hex(0x00C8535)
#define PAUSE_BTN_COLOR lv_color_hex(0xF9A825)
#ifndef LV_DEMO_GLTF_CAMERA_NUM
#define LV_DEMO_GLTF_CAMERA_NUM LV_GLTF_DEFAULT_CAMERA
#endif
/**********************
* TYPEDEFS
**********************/
typedef struct {
lv_point_t last_pos;
bool is_dragging;
float sensitivity;
} mouse_event_data_t;
typedef struct {
lv_obj_t * viewer;
lv_obj_t * label;
} play_pause_event_data_t;
typedef void (*lv_gltf_set_float_fn)(lv_obj_t *, float);
typedef void (*lv_gltf_set_int_fn)(lv_obj_t *, uint32_t);
typedef union {
void * ptr;
lv_gltf_set_float_fn fn;
} lv_gltf_set_float_fn_union_t;
typedef union {
void * ptr;
lv_gltf_set_int_fn fn;
} lv_gltf_set_int_fn_union_t;
/**********************
* STATIC PROTOTYPES
**********************/
static void init_subjects(lv_obj_t * viewer);
static void create_control_panel(lv_obj_t * viewer);
static void create_camera_panel(lv_obj_t * panel, lv_obj_t * viewer);
static void create_animation_panel(lv_obj_t * panel, lv_obj_t * viewer);
static void create_background_panel(lv_obj_t * panel);
static void create_antialiasing_panel(lv_obj_t * panel);
static void on_mouse_event(lv_event_t * e);
static void on_animation_play_pause_event(lv_event_t * e);
static void reset_subject_event_handler(lv_event_t * e);
static void populate_dropdown(lv_obj_t * dropdown, const char * prefix, size_t count, lv_subject_t * subject);
static lv_obj_t * add_row(lv_obj_t * parent);
static lv_obj_t * add_button_to_row(lv_obj_t * row, lv_color_t color);
static lv_obj_t * add_title_to_row(lv_obj_t * row, const char * title);
static lv_obj_t * add_dropdown_to_row(lv_obj_t * row);
static void viewer_observer_float_cb(lv_observer_t * observer, lv_subject_t * subject);
static void viewer_observer_int_cb(lv_observer_t * observer, lv_subject_t * subject);
static void animation_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
static void style_dropdown(lv_obj_t * dropdown);
static void style_slider(lv_obj_t * slider, lv_color_t accent_color);
static void style_control_panel(lv_obj_t * panel);
/**********************
* STATIC VARIABLES
**********************/
static lv_gltf_set_float_fn_union_t pitch_fn = { .fn = lv_gltf_set_pitch };
static lv_gltf_set_float_fn_union_t yaw_fn = { .fn = lv_gltf_set_yaw };
static lv_gltf_set_float_fn_union_t distance_fn = { .fn = lv_gltf_set_distance };
static lv_gltf_set_int_fn_union_t camera_fn = { .fn = lv_gltf_set_camera };
static lv_gltf_set_int_fn_union_t animation_speed_fn = { .fn = lv_gltf_set_animation_speed };
static lv_gltf_set_int_fn_union_t background_mode_fn = { .fn = lv_gltf_set_background_mode };
static lv_gltf_set_int_fn_union_t antialiasing_mode_fn = { .fn = lv_gltf_set_antialiasing_mode };
static lv_gltf_set_int_fn_union_t env_brightness_fn = { .fn = lv_gltf_set_env_brightness };
static lv_gltf_set_int_fn_union_t bg_blur_fn = { .fn = lv_gltf_set_background_blur };
static lv_subject_t yaw_subject;
static lv_subject_t pitch_subject;
static lv_subject_t distance_subject;
static lv_subject_t camera_subject;
static lv_subject_t animation_subject;
static lv_subject_t antialiasing_subject;
static lv_subject_t background_subject;
static lv_subject_t env_brightness_subject;
static lv_subject_t background_blur_subject;
static lv_subject_t animation_speed_subject;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
lv_obj_t * lv_demo_gltf(const char * path)
{
lv_obj_t * viewer = lv_gltf_create(lv_screen_active());
lv_obj_set_size(viewer, LV_PCT(100), LV_PCT(100));
lv_obj_remove_flag(viewer, LV_OBJ_FLAG_SCROLLABLE);
lv_gltf_set_background_mode(viewer, LV_GLTF_BG_MODE_ENVIRONMENT);
lv_gltf_model_t * model = lv_gltf_load_model_from_file(viewer, path);
LV_ASSERT_NULL(model);
init_subjects(viewer);
create_control_panel(viewer);
mouse_event_data_t * mouse_state = lv_zalloc(sizeof(*mouse_state));
LV_ASSERT_MALLOC(mouse_state);
mouse_state->sensitivity = 0.3;
lv_obj_add_event_cb(viewer, on_mouse_event, LV_EVENT_PRESSED, mouse_state);
lv_obj_add_event_cb(viewer, on_mouse_event, LV_EVENT_PRESSING, mouse_state);
lv_obj_add_event_cb(viewer, on_mouse_event, LV_EVENT_RELEASED, mouse_state);
lv_obj_add_event_cb(viewer, on_mouse_event, LV_EVENT_PRESS_LOST, mouse_state);
lv_obj_add_event_cb(viewer, on_mouse_event, LV_EVENT_DELETE, mouse_state);
lv_gltf_set_camera(viewer, LV_DEMO_GLTF_CAMERA_NUM);
return viewer;
}
/**********************
* STATIC FUNCTIONS
**********************/
static void init_subjects(lv_obj_t * viewer)
{
lv_subject_init_float(&yaw_subject, lv_gltf_get_yaw(viewer));
lv_subject_init_float(&pitch_subject, lv_gltf_get_pitch(viewer));
lv_subject_init_float(&distance_subject, lv_gltf_get_distance(viewer));
lv_subject_init_int(&camera_subject, lv_gltf_get_camera(viewer));
lv_subject_init_int(&animation_speed_subject, LV_GLTF_ANIM_SPEED_NORMAL);
lv_subject_init_int(&animation_subject, lv_gltf_model_get_animation(lv_gltf_get_primary_model(viewer)));
lv_subject_init_int(&antialiasing_subject, lv_gltf_get_antialiasing_mode(viewer));
lv_subject_init_int(&background_subject, lv_gltf_get_background_mode(viewer));
lv_subject_init_int(&env_brightness_subject, lv_gltf_get_env_brightness(viewer));
lv_subject_init_int(&background_blur_subject, lv_gltf_get_background_blur(viewer));
lv_subject_add_observer_obj(&camera_subject, viewer_observer_int_cb, viewer, camera_fn.ptr);
lv_subject_add_observer_obj(&pitch_subject, viewer_observer_float_cb, viewer, pitch_fn.ptr);
lv_subject_add_observer_obj(&yaw_subject, viewer_observer_float_cb, viewer, yaw_fn.ptr);
lv_subject_add_observer_obj(&distance_subject, viewer_observer_float_cb, viewer, distance_fn.ptr);
lv_subject_add_observer(&animation_subject, animation_observer_cb, viewer);
lv_subject_add_observer_obj(&animation_speed_subject, viewer_observer_int_cb, viewer, animation_speed_fn.ptr);
lv_subject_add_observer_obj(&background_subject, viewer_observer_int_cb, viewer, background_mode_fn.ptr);
lv_subject_add_observer_obj(&env_brightness_subject, viewer_observer_int_cb, viewer, env_brightness_fn.ptr);
lv_subject_add_observer_obj(&background_blur_subject, viewer_observer_int_cb, viewer, bg_blur_fn.ptr);
lv_subject_add_observer_obj(&antialiasing_subject, viewer_observer_int_cb, viewer, antialiasing_mode_fn.ptr);
}
static void create_control_panel(lv_obj_t * viewer)
{
lv_obj_t * control_panel = lv_obj_create(viewer);
lv_obj_set_size(control_panel, LV_PCT(20), LV_PCT(100));
lv_obj_align_to(control_panel, viewer, LV_ALIGN_RIGHT_MID, 0, 0);
style_control_panel(control_panel);
create_camera_panel(control_panel, viewer);
create_animation_panel(control_panel, viewer);
create_background_panel(control_panel);
create_antialiasing_panel(control_panel);
}
static void create_camera_panel(lv_obj_t * panel, lv_obj_t * viewer)
{
lv_obj_t * camera_row = add_row(panel);
add_title_to_row(camera_row, "Cameras");
lv_obj_t * camera_dropdown = add_dropdown_to_row(camera_row);
style_dropdown(camera_dropdown);
populate_dropdown(camera_dropdown, "Camera", lv_gltf_get_camera_count(viewer), &camera_subject);
lv_dropdown_add_option(camera_dropdown, "No Camera", 0);
lv_obj_t * camera_reset_btn = add_button_to_row(camera_row, lv_color_hex(0xFF6B35));
lv_obj_add_event_cb(camera_reset_btn, reset_subject_event_handler, LV_EVENT_CLICKED, &camera_subject);
lv_obj_t * camera_reset_btn_label = lv_label_create(camera_reset_btn);
lv_label_set_text_static(camera_reset_btn_label, LV_SYMBOL_REFRESH);
lv_obj_set_style_text_color(camera_reset_btn_label, lv_color_white(), 0);
lv_obj_center(camera_reset_btn_label);
lv_obj_t * yaw_title = add_title_to_row(camera_row, "");
lv_label_bind_text(yaw_title, &yaw_subject, "Yaw %.2f");
lv_obj_t * yaw_slider = lv_slider_create(camera_row);
lv_slider_bind_value(yaw_slider, &yaw_subject);
lv_obj_set_width(yaw_slider, LV_PCT(100));
lv_slider_set_max_value(yaw_slider, 360);
lv_slider_set_min_value(yaw_slider, -360);
style_slider(yaw_slider, SLIDER_COLOR);
lv_obj_t * pitch_title = add_title_to_row(camera_row, "");
lv_label_bind_text(pitch_title, &pitch_subject, "Pitch %.2f");
lv_obj_t * pitch_slider = lv_slider_create(camera_row);
lv_slider_bind_value(pitch_slider, &pitch_subject);
lv_obj_set_width(pitch_slider, LV_PCT(100));
lv_slider_set_min_value(pitch_slider, -90);
lv_slider_set_max_value(pitch_slider, 90);
style_slider(pitch_slider, SLIDER_COLOR);
lv_obj_t * distance_title = add_title_to_row(camera_row, "");
lv_label_bind_text(distance_title, &distance_subject, "Distance %.2f");
lv_obj_t * distance_slider = lv_slider_create(camera_row);
lv_obj_set_width(distance_slider, LV_PCT(100));
lv_slider_bind_value(distance_slider, &distance_subject);
lv_slider_set_min_value(distance_slider, 1);
lv_slider_set_max_value(distance_slider, 25);
style_slider(distance_slider, SLIDER_COLOR);
lv_obj_bind_state_if_gt(yaw_slider, &camera_subject, LV_STATE_DISABLED, 0);
lv_obj_bind_state_if_gt(pitch_slider, &camera_subject, LV_STATE_DISABLED, 0);
lv_obj_bind_state_if_gt(distance_slider, &camera_subject, LV_STATE_DISABLED, 0);
}
static void create_animation_panel(lv_obj_t * panel, lv_obj_t * viewer)
{
lv_obj_t * animation_row = add_row(panel);
add_title_to_row(animation_row, "Animations");
lv_gltf_model_t * model = lv_gltf_get_primary_model(viewer);
lv_obj_t * animation_dropdown = add_dropdown_to_row(animation_row);
style_dropdown(animation_dropdown);
populate_dropdown(animation_dropdown, "Animation", lv_gltf_model_get_animation_count(model), &animation_subject);
const bool has_animations = lv_gltf_model_get_animation_count(model) > 0;
const lv_color_t btn_color = has_animations ? PAUSE_BTN_COLOR : PLAY_BTN_COLOR;
lv_obj_t * animation_pp_btn = add_button_to_row(animation_row, btn_color);
lv_obj_t * animation_pp_btn_label = lv_label_create(animation_pp_btn);
lv_obj_center(animation_pp_btn_label);
lv_obj_set_style_text_color(animation_pp_btn_label, lv_color_white(), 0);
if(has_animations) {
lv_label_set_text_static(animation_pp_btn_label, LV_SYMBOL_PAUSE);
}
else {
lv_obj_add_state(animation_pp_btn, LV_STATE_DISABLED);
lv_label_set_text_static(animation_pp_btn_label, LV_SYMBOL_PLAY);
}
play_pause_event_data_t * event_data = lv_malloc(sizeof(*event_data));
LV_ASSERT_MALLOC(event_data);
event_data->label = animation_pp_btn_label;
event_data->viewer = viewer;
lv_obj_add_event_cb(animation_pp_btn, on_animation_play_pause_event, LV_EVENT_CLICKED, event_data);
lv_obj_add_event_cb(animation_pp_btn, on_animation_play_pause_event, LV_EVENT_DELETE, event_data);
lv_obj_t * animation_reset_btn = add_button_to_row(animation_row, lv_color_hex(0xFF6B35));
lv_obj_t * animation_reset_btn_label = lv_label_create(animation_reset_btn);
lv_label_set_text_static(animation_reset_btn_label, LV_SYMBOL_REFRESH);
lv_obj_set_style_text_color(animation_reset_btn_label, lv_color_white(), 0);
lv_obj_center(animation_reset_btn_label);
lv_obj_add_event_cb(animation_reset_btn, reset_subject_event_handler, LV_EVENT_CLICKED, &animation_subject);
add_title_to_row(animation_row, "Animation Speed");
lv_obj_t * animation_ratio_value = add_title_to_row(animation_row, "");
lv_label_bind_text(animation_ratio_value, &animation_speed_subject, "%d (x1000)");
lv_obj_t * animation_ratio_slider = lv_slider_create(animation_row);
lv_obj_set_width(animation_ratio_slider, LV_PCT(100));
lv_slider_set_min_value(animation_ratio_slider, 0);
lv_slider_set_max_value(animation_ratio_slider, LV_GLTF_ANIM_SPEED_4X);
lv_slider_bind_value(animation_ratio_slider, &animation_speed_subject);
style_slider(animation_ratio_slider, SLIDER_COLOR);
}
static void create_antialiasing_panel(lv_obj_t * panel)
{
lv_obj_t * antialiasing_row = add_row(panel);
add_title_to_row(antialiasing_row, "Anti Aliasing");
lv_obj_t * antialiasing_dropdown = add_dropdown_to_row(antialiasing_row);
style_dropdown(antialiasing_dropdown);
lv_dropdown_set_options(antialiasing_dropdown, "Off\nOn\nDynamic");
lv_dropdown_bind_value(antialiasing_dropdown, &antialiasing_subject);
}
static void create_background_panel(lv_obj_t * panel)
{
lv_obj_t * bg_row = add_row(panel);
add_title_to_row(bg_row, "Background");
lv_obj_t * background_dropdown = add_dropdown_to_row(bg_row);
style_dropdown(background_dropdown);
lv_dropdown_set_options(background_dropdown, "Solid Color\nEnvironnement");
lv_dropdown_bind_value(background_dropdown, &background_subject);
lv_obj_t * env_brightness_title = add_title_to_row(bg_row, "");
lv_label_bind_text(env_brightness_title, &env_brightness_subject, "Env Brightness %d");
lv_obj_t * env_brightness_slider = lv_slider_create(bg_row);
lv_slider_bind_value(env_brightness_slider, &env_brightness_subject);
lv_obj_set_width(env_brightness_slider, LV_PCT(100));
lv_slider_set_min_value(env_brightness_slider, 0);
lv_slider_set_max_value(env_brightness_slider, 1000);
style_slider(env_brightness_slider, SLIDER_COLOR);
lv_obj_t * background_blur_title = add_title_to_row(bg_row, "");
lv_label_bind_text(background_blur_title, &background_blur_subject, "Background Blur %d");
lv_obj_t * backgorund_blur_slider = lv_slider_create(bg_row);
lv_slider_bind_value(backgorund_blur_slider, &background_blur_subject);
lv_obj_set_width(backgorund_blur_slider, LV_PCT(100));
lv_slider_set_min_value(backgorund_blur_slider, 0);
lv_slider_set_max_value(backgorund_blur_slider, 100);
style_slider(backgorund_blur_slider, SLIDER_COLOR);
}
static void on_mouse_event(lv_event_t * e)
{
lv_event_code_t event_code = lv_event_get_code(e);
lv_obj_t * viewer = lv_event_get_target_obj(e);
lv_indev_t * indev = lv_indev_active();
mouse_event_data_t * mouse_state = (mouse_event_data_t *)lv_event_get_user_data(e);
if(!mouse_state) {
return;
}
lv_point_t current_pos;
lv_indev_get_point(indev, &current_pos);
switch(event_code) {
case LV_EVENT_PRESSED:
mouse_state->is_dragging = true;
mouse_state->last_pos = current_pos;
break;
case LV_EVENT_PRESSING:
if(mouse_state->is_dragging && lv_gltf_get_camera(viewer) == 0) {
int32_t delta_x = current_pos.x - mouse_state->last_pos.x;
int32_t delta_y = current_pos.y - mouse_state->last_pos.y;
float current_yaw = lv_gltf_get_yaw(viewer);
float current_pitch = lv_gltf_get_pitch(viewer);
float new_yaw = current_yaw + (delta_x * -mouse_state->sensitivity);
float new_pitch = current_pitch + (delta_y * -mouse_state->sensitivity);
if(new_pitch > 89.0f)
new_pitch = 89.0f;
if(new_pitch < -89.0f)
new_pitch = -89.0f;
lv_subject_set_float(&yaw_subject, new_yaw);
lv_subject_set_float(&pitch_subject, new_pitch);
}
mouse_state->last_pos = current_pos;
break;
case LV_EVENT_RELEASED:
case LV_EVENT_PRESS_LOST:
mouse_state->is_dragging = false;
break;
case LV_EVENT_DELETE:
lv_free(mouse_state);
default:
break;
}
}
static void on_animation_play_pause_event(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * btn = lv_event_get_target_obj(e);
play_pause_event_data_t * event_data = (play_pause_event_data_t *)lv_event_get_user_data(e);
if(code == LV_EVENT_CLICKED) {
lv_gltf_model_t * model = lv_gltf_get_primary_model(event_data->viewer);
if(lv_gltf_model_is_animation_paused(model)) {
lv_gltf_model_play_animation(model, lv_gltf_model_get_animation(model));
lv_obj_set_style_bg_color(btn, PAUSE_BTN_COLOR, LV_PART_MAIN);
lv_label_set_text_static(event_data->label, LV_SYMBOL_PAUSE);
}
else {
lv_obj_set_style_bg_color(btn, PLAY_BTN_COLOR, LV_PART_MAIN);
lv_label_set_text_static(event_data->label, LV_SYMBOL_PLAY);
lv_gltf_model_pause_animation(model);
}
}
else if(code == LV_EVENT_DELETE) {
lv_free(event_data);
}
else {
LV_ASSERT_FORMAT_MSG(0, "Unhandled event: %d", code);
}
}
static void reset_subject_event_handler(lv_event_t * e)
{
lv_subject_t * subject = (lv_subject_t *)lv_event_get_user_data(e);
lv_subject_set_int(subject, 0);
}
static lv_obj_t * add_title_to_row(lv_obj_t * row, const char * title)
{
lv_obj_t * title_label = lv_label_create(row);
lv_label_set_text_static(title_label, title);
lv_obj_set_style_text_font(title_label, &lv_font_montserrat_14, 0);
lv_obj_set_style_text_color(title_label, lv_color_white(), 0);
lv_obj_set_style_margin_bottom(title_label, 10, 0);
return title_label;
}
static lv_obj_t * add_row(lv_obj_t * parent)
{
lv_obj_t * row = lv_obj_create(parent);
lv_obj_set_size(row, LV_PCT(100), LV_SIZE_CONTENT);
lv_obj_set_style_bg_opa(row, LV_OPA_TRANSP, LV_PART_MAIN);
lv_obj_set_style_border_width(row, 0, LV_PART_MAIN);
lv_obj_set_style_pad_left(row, 20, LV_PART_MAIN);
lv_obj_set_style_pad_bottom(row, 10, LV_PART_MAIN);
lv_obj_set_style_pad_right(row, 20, LV_PART_MAIN);
lv_obj_set_layout(row, LV_LAYOUT_FLEX);
lv_obj_set_flex_flow(row, LV_FLEX_FLOW_COLUMN);
return row;
}
static void populate_dropdown(lv_obj_t * dropdown, const char * prefix, size_t count, lv_subject_t * subject)
{
char option[16];
if(count == 0) {
lv_snprintf(option, sizeof(option), "No %ss", prefix);
lv_dropdown_set_options(dropdown, option);
lv_obj_add_state(dropdown, LV_STATE_DISABLED);
return;
}
for(size_t i = 0; i < count; i++) {
lv_snprintf(option, sizeof(option), "%s %zu", prefix, i);
lv_dropdown_add_option(dropdown, option, i);
}
lv_dropdown_bind_value(dropdown, subject);
}
static lv_obj_t * add_button_to_row(lv_obj_t * row, lv_color_t color)
{
lv_obj_t * btn = lv_button_create(row);
lv_obj_set_size(btn, LV_PCT(100), 30);
lv_obj_set_style_bg_color(btn, color, LV_PART_MAIN);
lv_obj_set_style_radius(btn, 4, 0);
return btn;
}
static lv_obj_t * add_dropdown_to_row(lv_obj_t * row)
{
lv_obj_t * dropdown = lv_dropdown_create(row);
lv_obj_set_width(dropdown, LV_PCT(100));
return dropdown;
}
static void viewer_observer_float_cb(lv_observer_t * observer, lv_subject_t * subject)
{
lv_obj_t * viewer = lv_observer_get_target_obj(observer);
float value = lv_subject_get_float(subject);
lv_gltf_set_float_fn_union_t fn_union = { .ptr = lv_observer_get_user_data(observer) };
fn_union.fn(viewer, value);
}
static void viewer_observer_int_cb(lv_observer_t * observer, lv_subject_t * subject)
{
int value = lv_subject_get_int(subject);
lv_gltf_set_int_fn_union_t fn_union = { .ptr = lv_observer_get_user_data(observer) };
lv_obj_t * viewer = lv_observer_get_target_obj(observer);
fn_union.fn(viewer, value);
}
static void animation_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
{
int value = lv_subject_get_int(subject);
lv_obj_t * viewer = lv_observer_get_user_data(observer);
lv_gltf_model_t * model = lv_gltf_get_primary_model(viewer);
lv_gltf_model_play_animation(model, value);
}
static void style_slider(lv_obj_t * slider, lv_color_t accent_color)
{
lv_obj_set_style_bg_color(slider, lv_color_hex(0x1A1A1A), LV_PART_MAIN);
lv_obj_set_style_radius(slider, 20, LV_PART_MAIN);
lv_obj_set_style_border_width(slider, 1, LV_PART_MAIN);
lv_obj_set_style_border_color(slider, lv_color_hex(0x444444), LV_PART_MAIN);
lv_obj_set_style_bg_color(slider, accent_color, LV_PART_INDICATOR);
lv_obj_set_style_radius(slider, 20, LV_PART_INDICATOR);
lv_obj_set_style_bg_color(slider, lv_color_white(), LV_PART_KNOB);
lv_obj_set_style_radius(slider, LV_RADIUS_CIRCLE, LV_PART_KNOB);
lv_obj_set_style_shadow_width(slider, 6, LV_PART_KNOB);
lv_obj_set_style_shadow_color(slider, accent_color, LV_PART_KNOB);
lv_obj_set_style_shadow_opa(slider, 150, LV_PART_KNOB);
lv_obj_set_style_border_width(slider, 2, LV_PART_KNOB);
lv_obj_set_style_border_color(slider, accent_color, LV_PART_KNOB);
lv_obj_set_style_bg_color(slider, lv_color_hex(0x0F0F0F), LV_PART_MAIN | LV_STATE_DISABLED);
lv_obj_set_style_border_color(slider, lv_color_hex(0x222222), LV_PART_MAIN | LV_STATE_DISABLED);
lv_obj_set_style_opa(slider, 128, LV_PART_MAIN | LV_STATE_DISABLED);
lv_color_t dimmed_accent = lv_color_mix(accent_color, lv_color_black(), 128);
lv_obj_set_style_bg_color(slider, dimmed_accent, LV_PART_INDICATOR | LV_STATE_DISABLED);
lv_obj_set_style_opa(slider, 102, LV_PART_INDICATOR | LV_STATE_DISABLED);
lv_obj_set_style_bg_color(slider, lv_color_hex(0xCCCCCC), LV_PART_KNOB | LV_STATE_DISABLED);
lv_obj_set_style_shadow_width(slider, 2, LV_PART_KNOB | LV_STATE_DISABLED);
lv_obj_set_style_shadow_opa(slider, 51, LV_PART_KNOB | LV_STATE_DISABLED);
}
static void style_dropdown(lv_obj_t * dropdown)
{
lv_obj_set_style_bg_color(dropdown, lv_color_hex(0x404040), LV_PART_MAIN);
lv_obj_set_style_bg_grad_color(dropdown, lv_color_hex(0x4A4A4A), LV_PART_MAIN);
lv_obj_set_style_text_color(dropdown, lv_color_white(), LV_PART_MAIN);
lv_obj_t * dropdown_list = ((lv_dropdown_t *)dropdown)->list;
lv_obj_set_style_clip_corner(dropdown_list, false, LV_PART_MAIN);
}
static void style_control_panel(lv_obj_t * panel)
{
lv_obj_set_style_bg_color(panel, lv_color_hex(0x2C2C2C), 0);
lv_obj_set_style_border_width(panel, 1, 0);
lv_obj_set_style_border_color(panel, lv_color_hex(0x555555), 0);
lv_obj_set_style_radius(panel, 8, 0);
lv_obj_set_style_pad_all(panel, 5, 0);
lv_obj_set_layout(panel, LV_LAYOUT_FLEX);
lv_obj_set_flex_flow(panel, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(panel, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_set_style_bg_opa(panel, 128, LV_PART_MAIN);
}
#endif /*LV_USE_DEMO_GLTF*/
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