feat: 支持 MQTT 上报灯条颜色数据

This commit is contained in:
Ivan Li 2022-11-20 20:09:25 +08:00
parent d4709b9404
commit c56304a6ba
12 changed files with 535 additions and 185 deletions

206
src-tauri/Cargo.lock generated
View File

@ -636,6 +636,19 @@ dependencies = [
"miniz_oxide 0.5.4",
]
[[package]]
name = "flume"
version = "0.10.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1657b4441c3403d9f7b3409e47575237dac27b1b5726df654a6ecbf92f0f7577"
dependencies = [
"futures-core",
"futures-sink",
"nanorand",
"pin-project",
"spin 0.9.4",
]
[[package]]
name = "fnv"
version = "1.0.7"
@ -676,6 +689,21 @@ dependencies = [
"new_debug_unreachable",
]
[[package]]
name = "futures"
version = "0.3.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "38390104763dc37a5145a53c29c63c1290b5d316d6086ec32c293f6736051bb0"
dependencies = [
"futures-channel",
"futures-core",
"futures-executor",
"futures-io",
"futures-sink",
"futures-task",
"futures-util",
]
[[package]]
name = "futures-channel"
version = "0.3.25"
@ -683,6 +711,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "52ba265a92256105f45b719605a571ffe2d1f0fea3807304b522c1d778f79eed"
dependencies = [
"futures-core",
"futures-sink",
]
[[package]]
@ -719,6 +748,12 @@ dependencies = [
"syn",
]
[[package]]
name = "futures-sink"
version = "0.3.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "39c15cf1a4aa79df40f1bb462fb39676d0ad9e366c2a33b590d7c66f4f81fcf9"
[[package]]
name = "futures-task"
version = "0.3.25"
@ -731,9 +766,13 @@ version = "0.3.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "197676987abd2f9cadff84926f410af1c183608d36641465df73ae8211dc65d6"
dependencies = [
"futures-channel",
"futures-core",
"futures-io",
"futures-macro",
"futures-sink",
"futures-task",
"memchr",
"pin-project-lite",
"pin-utils",
"slab",
@ -861,8 +900,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
dependencies = [
"cfg-if 1.0.0",
"js-sys",
"libc",
"wasi 0.11.0+wasi-snapshot-preview1",
"wasm-bindgen",
]
[[package]]
@ -1457,6 +1498,15 @@ dependencies = [
"windows-sys 0.42.0",
]
[[package]]
name = "nanorand"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a51313c5820b0b02bd422f4b44776fbf47961755c74ce64afc73bfad10226c3"
dependencies = [
"getrandom 0.2.8",
]
[[package]]
name = "native-tls"
version = "0.2.11"
@ -1915,6 +1965,26 @@ dependencies = [
"siphasher",
]
[[package]]
name = "pin-project"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ad29a609b6bcd67fee905812e544992d216af9d755757c05ed2d0e15a74c6ecc"
dependencies = [
"pin-project-internal",
]
[[package]]
name = "pin-project-internal"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "069bdb1e05adc7a8990dce9cc75370895fbe4e3d58b9b73bf1aee56359344a55"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "pin-project-lite"
version = "0.2.9"
@ -1971,6 +2041,12 @@ dependencies = [
"miniz_oxide 0.6.2",
]
[[package]]
name = "pollster"
version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5da3b0203fd7ee5720aa0b5e790b591aa5d3f41c3ed2c34a3a393382198af2f7"
[[package]]
name = "ppv-lite86"
version = "0.2.17"
@ -2220,6 +2296,40 @@ dependencies = [
"windows 0.37.0",
]
[[package]]
name = "ring"
version = "0.16.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
dependencies = [
"cc",
"libc",
"once_cell",
"spin 0.5.2",
"untrusted",
"web-sys",
"winapi 0.3.9",
]
[[package]]
name = "rumqttc"
version = "0.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "499b7ab08ffa5a722958b6ce1b7c0270bea30909f589d12c5ec3a051afe423fc"
dependencies = [
"bytes",
"flume",
"futures",
"http",
"log",
"pollster",
"rustls-native-certs",
"rustls-pemfile 0.3.0",
"thiserror",
"tokio",
"tokio-rustls",
]
[[package]]
name = "rustc_version"
version = "0.3.3"
@ -2238,6 +2348,48 @@ dependencies = [
"semver 1.0.14",
]
[[package]]
name = "rustls"
version = "0.20.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "539a2bfe908f471bfa933876bd1eb6a19cf2176d375f82ef7f99530a40e48c2c"
dependencies = [
"log",
"ring",
"sct",
"webpki",
]
[[package]]
name = "rustls-native-certs"
version = "0.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0167bac7a9f490495f3c33013e7722b53cb087ecbe082fb0c6387c96f634ea50"
dependencies = [
"openssl-probe",
"rustls-pemfile 1.0.1",
"schannel",
"security-framework",
]
[[package]]
name = "rustls-pemfile"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ee86d63972a7c661d1536fefe8c3c8407321c3df668891286de28abcd087360"
dependencies = [
"base64",
]
[[package]]
name = "rustls-pemfile"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0864aeff53f8c05aa08d86e5ef839d3dfcf07aeba2db32f12db0ef716e87bd55"
dependencies = [
"base64",
]
[[package]]
name = "rustversion"
version = "1.0.9"
@ -2309,17 +2461,29 @@ dependencies = [
"hex",
"once_cell",
"paris",
"rumqttc",
"scrap",
"serde",
"serde_json",
"tauri",
"tauri-build",
"time",
"tokio",
"tracing",
"tracing-subscriber",
"webp",
]
[[package]]
name = "sct"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
dependencies = [
"ring",
"untrusted",
]
[[package]]
name = "security-framework"
version = "2.7.0"
@ -2596,6 +2760,21 @@ dependencies = [
"system-deps 5.0.0",
]
[[package]]
name = "spin"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
[[package]]
name = "spin"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f6002a767bff9e83f8eeecf883ecb8011875a21ae8da43bffb817a57e78cc09"
dependencies = [
"lock_api",
]
[[package]]
name = "stable_deref_trait"
version = "1.2.0"
@ -3079,6 +3258,17 @@ dependencies = [
"syn",
]
[[package]]
name = "tokio-rustls"
version = "0.23.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
dependencies = [
"rustls",
"tokio",
"webpki",
]
[[package]]
name = "toml"
version = "0.5.9"
@ -3198,6 +3388,12 @@ version = "1.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fdbf052a0783de01e944a6ce7a8cb939e295b1e7be835a1112c3b9a7f047a5a"
[[package]]
name = "untrusted"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
[[package]]
name = "url"
version = "2.3.1"
@ -3417,6 +3613,16 @@ dependencies = [
"libwebp-sys",
]
[[package]]
name = "webpki"
version = "0.22.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
dependencies = [
"ring",
"untrusted",
]
[[package]]
name = "webview2-com"
version = "0.19.1"

View File

@ -28,6 +28,8 @@ tokio = { version = "1.22.0", features = ["full"] }
tracing = "0.1.37"
tracing-subscriber = "0.3.16"
hex = "0.4.3"
rumqttc = "0.17.0"
time = { version = "0.3.17", features = ["formatting"] }
[features]
# by default Tauri runs in production mode

View File

@ -3,21 +3,19 @@
windows_subsystem = "windows"
)]
mod led_color;
mod screen;
mod screen_color_picker;
mod picker;
mod rpc;
use led_color::LedColor;
use paris::*;
use screen_color_picker::ScreenColorPicker;
use picker::led_color::LedColor;
use picker::manager::Picker;
use std::{
sync::{Arc, Mutex},
time::Instant,
};
#[tauri::command]
fn refresh_displays() {
match ScreenColorPicker::global().refresh_displays() {
async fn refresh_displays() {
match Picker::global().refresh_displays().await {
Ok(_) => {}
Err(error) => {
error!("{}", error)
@ -26,67 +24,39 @@ fn refresh_displays() {
}
#[tauri::command]
async fn take_snapshot() -> Arc<Mutex<Vec<String>>> {
async fn take_snapshot() -> Vec<String> {
let start = Instant::now();
let manager = Picker::global();
let screenshot_futures = match ScreenColorPicker::global().take_screenshots_for_all() {
Ok(bitmaps) => {
info!("bitmaps len: {}", bitmaps.len());
match ScreenColorPicker::global().screens.lock() {
Ok(screens) => Some(Vec::from_iter(screens.iter().enumerate().map(
|(index, screen)| {
bitmap_to_webp_base64(screen.width, screen.height, bitmaps[index].to_vec())
},
))),
Err(error) => {
error!("can not lock screens. {}", error);
None
}
match manager.take_screenshots_for_all().await {
Ok(screenshots) => {
info!("screenshots len: {}", screenshots.len());
let mut futures = Vec::new();
for screenshot in screenshots {
let future = screenshot.to_webp_base64().await;
futures.push(future);
}
futures
}
Err(error) => {
error!("can not take screenshots for all. {}", error);
None
vec![]
}
};
match screenshot_futures {
Some(futures) => {
let mut handles = Vec::with_capacity(futures.len());
for fut in futures {
handles.push(tokio::spawn(fut));
}
let mut results = Vec::with_capacity(handles.len());
for handle in handles {
results.push(handle.await.unwrap());
}
println!("运行耗时: {:?}", start.elapsed());
Arc::new(Mutex::new(results))
}
None => Arc::new(Mutex::new(Vec::new())),
}
}
#[tauri::command]
async fn get_led_strip_colors() -> Result<Vec<LedColor>, String> {
let screens = ScreenColorPicker::global()
.screens
.lock()
.map_err(|error| {
error!("can not lock ScreenColorPick.screens. {}", error);
"failed to lock."
})?;
let mut colors = Vec::new();
for screen in screens.iter() {
let result = screen.get_top_colors();
if let Ok(result) = result {
colors.extend_from_slice(&result);
} else if let Err(result) = result {
return Err(format!("can not get led strip colors. {}", result));
let colors = Picker::global().get_led_strip_colors().await;
match colors {
Ok(colors) => {
rpc::manager::Manager::global()
.publish_led_colors(&colors)
.await;
Ok(colors)
}
Err(error) => Err(format!("{}", error)),
}
Ok(colors)
}
async fn bitmap_to_webp_base64(width: usize, height: usize, bitmap: Vec<u8>) -> String {
@ -111,7 +81,9 @@ async fn bitmap_to_webp_base64(width: usize, height: usize, bitmap: Vec<u8>) ->
return base64::encode(&*webp_memory);
}
fn main() {
#[tokio::main]
async fn main() {
rpc::manager::Manager::global();
tauri::Builder::default()
.invoke_handler(tauri::generate_handler![
take_snapshot,

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@ -0,0 +1,82 @@
use once_cell::sync::OnceCell;
use paris::*;
use scrap::{Capturer, Display};
use std::sync::Arc;
use tokio::sync::Mutex;
use crate::picker::screen::Screen;
use super::{
led_color::LedColor,
screenshot::{Screenshot},
};
pub struct Picker {
pub screens: Arc<Mutex<Vec<Screen>>>,
pub screenshots: Arc<Mutex<Vec<Screenshot>>>,
}
impl Picker {
pub fn global() -> &'static Picker {
static SCREEN_COLOR_PICKER: OnceCell<Picker> = OnceCell::new();
SCREEN_COLOR_PICKER.get_or_init(|| Picker {
screens: Arc::new(Mutex::new(vec![])),
screenshots: Arc::new(Mutex::new(vec![])),
})
}
pub async fn refresh_displays(&self) -> anyhow::Result<()> {
let displays = Display::all()
.map_err(|error| anyhow::anyhow!("Can not get all of displays. {}", error))?;
let mut screens = self.screens.lock().await;
let mut screenshots = self.screenshots.lock().await;
screens.clear();
info!("number of displays: {}", displays.len());
for display in displays {
let height = display.height();
let width = display.width();
match Capturer::new(display) {
Ok(capturer) => screens.push(Screen::new(capturer, width, height)),
Err(error) => screens.push(Screen::new_failed(
anyhow::anyhow!("{}", error),
width,
height,
)),
};
screenshots.push(Screenshot::new(width, height));
}
screens.reverse();
screenshots.reverse();
screenshots[0].set_number_of_leds(22, 0);
screenshots[1].set_number_of_leds(38, 0);
Ok(())
}
pub async fn take_screenshots_for_all(&self) -> anyhow::Result<Vec<Screenshot>> {
let mut screens = self.screens.lock().await;
let mut screenshots = self.screenshots.lock().await;
for (index, screen) in screens.iter_mut().enumerate() {
let bitmap = screen.take().map_err(|error| {
anyhow::anyhow!("take screenshot for display failed. {}", error)
})?;
screenshots[index].set_bitmap(bitmap).await
}
Ok(screenshots.to_vec())
}
pub async fn get_led_strip_colors(&self) -> anyhow::Result<Vec<LedColor>> {
let screenshots = self.screenshots.lock().await;
let mut colors = Vec::new();
for screenshot in screenshots.iter() {
let result = screenshot
.get_top_colors()
.await
.map_err(|error| anyhow::anyhow!("get top colors failed. {}", error))?;
colors.extend_from_slice(&result);
}
Ok(colors)
}
}

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@ -0,0 +1,4 @@
pub mod led_color;
pub mod screen;
pub mod manager;
pub mod screenshot;

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@ -0,0 +1,43 @@
use scrap::Capturer;
pub struct Screen {
capturer: Option<Capturer>,
init_error: Option<anyhow::Error>,
pub width: usize,
pub height: usize,
}
impl Screen {
pub fn new(capturer: Capturer, width: usize, height: usize) -> Self {
Self {
capturer: Some(capturer),
init_error: None,
width,
height,
}
}
pub fn new_failed(init_error: anyhow::Error, width: usize, height: usize) -> Self {
Self {
capturer: None,
init_error: Some(init_error),
width,
height,
}
}
pub fn take(&mut self) -> anyhow::Result<Vec<u8>> {
match self.capturer.as_mut() {
Some(capturer) => {
let buffer = capturer
.frame()
.map_err(|error| anyhow::anyhow!("failed to frame of display. {}", error))?;
anyhow::Ok(buffer.to_vec())
}
None => anyhow::bail!("Do not initialized"),
}
}
}
unsafe impl Send for Screen {}

View File

@ -1,81 +1,53 @@
use std::sync::{Arc, Mutex};
use std::sync::Arc;
use tokio::sync::Mutex;
use anyhow::Ok;
use scrap::Capturer;
use super::led_color::LedColor;
use crate::led_color::LedColor;
pub struct Screen {
#[derive(Clone)]
pub struct Screenshot {
bitmap: Arc<Mutex<Option<Vec<u8>>>>,
capturer: Option<Capturer>,
init_error: Option<anyhow::Error>,
pub width: usize,
pub height: usize,
pub led_number_of_x: usize,
pub led_number_of_y: usize,
width: usize,
height: usize,
led_number_of_x: usize,
led_number_of_y: usize,
}
impl Screen {
pub fn new(capturer: Capturer, width: usize, height: usize) -> Self {
impl Screenshot {
pub fn new(width: usize, height: usize) -> Self {
Self {
bitmap: Arc::new(Mutex::new(None)),
capturer: Some(capturer),
init_error: None,
width,
height,
led_number_of_x: 0,
led_number_of_y: 0,
width,
height,
}
}
pub fn new_failed(init_error: anyhow::Error, width: usize, height: usize) -> Self {
Self {
bitmap: Arc::new(Mutex::new(None)),
capturer: None,
init_error: Some(init_error),
width,
height,
led_number_of_x: 0,
led_number_of_y: 0,
}
pub fn get_size(&self) -> (usize, usize) {
(self.width, self.height)
}
pub fn set_number_of_leds(&mut self, led_number_of_x: usize, led_number_of_y: usize) -> &Self {
pub fn get_number_of_leds(&self) -> (usize, usize) {
(self.led_number_of_x, self.led_number_of_y)
}
pub fn set_number_of_leds(&mut self, led_number_of_x: usize, led_number_of_y: usize) {
self.led_number_of_x = led_number_of_x;
self.led_number_of_y = led_number_of_y;
self
}
pub async fn get_top_colors(&self) -> anyhow::Result<Vec<LedColor>> {
self.get_x_colors(XPosition::Top).await
}
pub async fn get_bottom_colors(&self) -> anyhow::Result<Vec<LedColor>> {
self.get_x_colors(XPosition::Bottom).await
}
pub fn take(&mut self) -> anyhow::Result<Vec<u8>> {
match self.capturer.as_mut() {
Some(capturer) => {
let buffer = capturer
.frame()
.map_err(|error| anyhow::anyhow!("failed to frame of display. {}", error))?;
self.bitmap = Arc::new(Mutex::new(Some(buffer.to_vec())));
anyhow::Ok(buffer.to_vec())
}
None => anyhow::bail!("Do not initialized"),
}
}
pub fn get_top_colors(&self) -> anyhow::Result<Vec<LedColor>> {
self.get_x_colors(XPosition::Top)
}
pub fn get_bottom_colors(&self) -> anyhow::Result<Vec<LedColor>> {
self.get_x_colors(XPosition::Bottom)
}
fn get_x_colors(&self, position: XPosition) -> anyhow::Result<Vec<LedColor>> {
async fn get_x_colors(&self, position: XPosition) -> anyhow::Result<Vec<LedColor>> {
if self.led_number_of_x == 0 {
return Ok(vec![]);
}
let bitmap = self
.bitmap
.lock()
.map_err(|error| anyhow::anyhow!("can not lock Screen#bitmap. {}", error))?;
let bitmap = self.bitmap.lock().await;
match bitmap.as_ref() {
Some(bitmap) => {
let cell_size_x = self.width / self.led_number_of_x;
@ -90,8 +62,6 @@ impl Screen {
let stride = bitmap.len() / self.height;
for pos in 0..self.led_number_of_x {
let mut y_range = y_range.to_owned();
let mut r = 0u32;
let mut g = 0u32;
let mut b = 0u32;
@ -114,9 +84,40 @@ impl Screen {
None => Ok(vec![]),
}
}
}
unsafe impl Send for Screen {}
pub async fn set_bitmap(&mut self, bitmap: Vec<u8>) {
let mut self_bitmap = self.bitmap.lock().await;
*self_bitmap = Some(bitmap);
}
pub async fn to_webp_base64(&self) -> String {
let bitmap = self.bitmap.lock().await;
match bitmap.to_owned() {
Some(bitmap) => {
let mut bitflipped = Vec::with_capacity(self.width * self.height * 3);
let stride = bitmap.len() / self.height;
for y in 0..self.height {
for x in 0..self.width {
let i = stride * y + 4 * x;
bitflipped.extend_from_slice(&[bitmap[i + 2], bitmap[i + 1], bitmap[i]]);
}
}
let webp_memory = webp::Encoder::from_rgb(
bitflipped.as_slice(),
self.width as u32,
self.height as u32,
)
.encode(100.0);
return base64::encode(&*webp_memory);
},
None => {
"".to_owned()
}
}
}
}
enum XPosition {
Top,

View File

@ -0,0 +1,41 @@
use crate::picker::led_color::LedColor;
use super::mqtt::MqttConnection;
use once_cell::sync::OnceCell;
pub struct Manager {
mqtt: MqttConnection,
}
impl Manager {
pub fn global() -> &'static Self {
static RPC_MANAGER: OnceCell<Manager> = OnceCell::new();
RPC_MANAGER.get_or_init(|| Manager::new())
}
pub fn new() -> Self {
let mut mqtt = MqttConnection::new();
mqtt.initialize();
Self { mqtt }
}
pub async fn publish_led_colors(&self, colors: &Vec<LedColor>) -> anyhow::Result<()> {
let payload = colors
.iter()
.map(|c| c.get_rgb().clone())
.flatten()
.collect::<Vec<u8>>();
self.mqtt
.client
.publish(
"screen-bg-light/desktop/colors",
rumqttc::QoS::AtMostOnce,
false,
payload,
)
.await
.map_err(|error| anyhow::anyhow!("mqtt publish failed. {}", error))
}
}

2
src-tauri/src/rpc/mod.rs Normal file
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@ -0,0 +1,2 @@
pub mod manager;
pub mod mqtt;

66
src-tauri/src/rpc/mqtt.rs Normal file
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@ -0,0 +1,66 @@
use rumqttc::{AsyncClient, MqttOptions, QoS};
use std::{time::Duration};
use time::{format_description, OffsetDateTime};
use tokio::task;
use tracing::warn;
pub struct MqttConnection {
pub client: AsyncClient,
}
impl MqttConnection {
pub fn new() -> Self {
let mut options = MqttOptions::new("rumqtt-async", "192.168.31.11", 1883);
options.set_keep_alive(Duration::from_secs(5));
let (mut client, mut eventloop) = AsyncClient::new(options, 10);
task::spawn(async move {
while let Ok(notification) = eventloop.poll().await {
println!("Received = {:?}", notification);
}
});
Self { client }
}
pub fn initialize(&mut self) {
self.subscribe_board();
self.broadcast_desktop_online();
}
fn subscribe_board(&self) {
self.client
.subscribe("screen-bg-light/board/#", QoS::AtMostOnce);
}
fn broadcast_desktop_online(&mut self) {
let client = self.client.to_owned();
task::spawn(async move {
loop {
match OffsetDateTime::now_utc()
.format(&format_description::well_known::Iso8601::DEFAULT)
{
Ok(now_str) => {
match client
.publish(
"screen-bg-light/desktop/last-online-at",
QoS::AtLeastOnce,
false,
now_str.as_bytes(),
)
.await
{
Ok(_) => {}
Err(error) => {
warn!("can not publish last online time. {}", error)
}
}
}
Err(error) => {
warn!("can not get time for now. {}", error);
}
}
tokio::time::sleep(Duration::from_millis(1000)).await;
}
});
}
}

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@ -1,69 +0,0 @@
use once_cell::sync::OnceCell;
use paris::*;
use scrap::{Capturer, Display};
use tracing::field::display;
use std::{
borrow::BorrowMut,
sync::{Arc, Mutex},
};
use crate::screen::Screen;
pub struct ScreenColorPicker {
pub screens: Arc<Mutex<Vec<Screen>>>,
}
impl ScreenColorPicker {
pub fn global() -> &'static ScreenColorPicker {
static SCREEN_COLOR_PICKER: OnceCell<ScreenColorPicker> = OnceCell::new();
SCREEN_COLOR_PICKER.get_or_init(|| ScreenColorPicker {
screens: Arc::new(Mutex::new(Vec::<Screen>::new())),
})
}
pub fn refresh_displays(&self) -> anyhow::Result<()> {
let displays = Display::all()
.map_err(|error| anyhow::anyhow!("Can not get all of displays. {}", error))?;
let mut screens = self
.screens
.lock()
.map_err(|error| anyhow::anyhow!("lock screens failed. {}", error))?;
screens.clear();
info!("number of displays: {}", displays.len());
for display in displays {
let height = display.height();
let width = display.width();
match Capturer::new(display) {
Ok(capturer) => screens.push(Screen::new(capturer, width, height)),
Err(error) => screens.push(Screen::new_failed(
anyhow::anyhow!("{}", error),
width,
height,
)),
}
}
screens.reverse();
screens[0].set_number_of_leds(22, 0);
screens[1].set_number_of_leds(38, 0);
Ok(())
}
pub fn take_screenshots_for_all(&self) -> anyhow::Result<Vec<Vec<u8>>> {
let mut screens = self
.screens
.lock()
.map_err(|error| anyhow::anyhow!("lock screens failed. {}", error))?;
let mut screenshots = Vec::<Vec<u8>>::new();
for screen in screens.iter_mut() {
let screenshot = screen.take().map_err(|error| {
anyhow::anyhow!("take screenshot for display failed. {}", error)
})?;
screenshots.push(screenshot);
}
anyhow::Ok(screenshots)
}
}