194 lines
6.5 KiB
Rust
194 lines
6.5 KiB
Rust
use std::sync::{Arc, Mutex};
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use eframe::egui;
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use eframe::egui::text_edit::TextEdit;
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use eframe::egui::widgets::{Button, ProgressBar};
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use eframe::egui::ColorImage;
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use eframe::egui::Visuals;
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use eframe::egui::{Color32, RichText};
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use decoder;
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use errors::DecoderError;
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#[derive(PartialEq)]
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enum DecoderRunState {
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RUNNING,
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CANCELED,
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DONE,
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}
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struct DecoderJobState {
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update_steps: u32,
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progress: f32,
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texture: Option<egui::TextureHandle>,
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run_state: DecoderRunState,
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error: Option<DecoderError>,
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}
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impl DecoderJobState {
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fn is_running(&self) -> bool {
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self.run_state == DecoderRunState::RUNNING
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}
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}
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impl Default for DecoderJobState {
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fn default() -> Self {
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Self {
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update_steps: 10,
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progress: 0.0,
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texture: None,
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run_state: DecoderRunState::DONE,
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error: None,
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}
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}
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}
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pub struct DecoderApp {
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input_path: String,
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output_path: String,
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decoding_state: Arc<Mutex<DecoderJobState>>,
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}
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impl DecoderApp {
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pub fn new(input_path: &str, output_path: &str) -> Self {
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Self {
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input_path: input_path.to_owned(),
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output_path: output_path.to_owned(),
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decoding_state: Arc::new(Mutex::new(DecoderJobState::default())),
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}
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}
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}
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impl eframe::App for DecoderApp {
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/// Called each time the UI needs repainting, which may be many times per second.
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/// Put your widgets into a `SidePanel`, `TopPanel`, `CentralPanel`, `Window` or `Area`.
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fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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let Self {
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input_path,
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output_path,
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decoding_state,
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} = self;
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{
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let mut state = decoding_state.lock().unwrap();
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if !ctx.input().raw.dropped_files.is_empty() && !state.is_running() {
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if let Some(path) = ctx.input().raw.dropped_files[0].clone().path {
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*input_path = path.display().to_string();
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}
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}
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ctx.set_visuals(Visuals::dark());
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egui::CentralPanel::default().show(ctx, |ui| {
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ui.heading("APT-Decoder");
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egui::Grid::new("form_grid").num_columns(3).show(ui, |ui| {
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ui.label("Input Wav File:");
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ui.add_sized(
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[300.0, 20.0],
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TextEdit::singleline(input_path).interactive(!state.is_running()),
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);
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if ui
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.add_enabled(!state.is_running(), Button::new("Open"))
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.clicked()
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{
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if let Some(path) = rfd::FileDialog::new().pick_file() {
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*input_path = path.display().to_string();
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}
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};
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ui.end_row();
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ui.label("Output PNG File:");
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ui.add_sized(
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[300.0, 20.0],
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TextEdit::singleline(output_path).interactive(!state.is_running()),
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);
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if ui
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.add_enabled(!state.is_running(), Button::new("Save"))
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.clicked()
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{
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if let Some(path) = rfd::FileDialog::new().save_file() {
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*output_path = path.display().to_string();
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}
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};
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ui.end_row();
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});
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ui.horizontal(|ui| {
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if ui
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.add_enabled(!state.is_running(), Button::new("Decode"))
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.clicked()
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{
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let ctx = ctx.clone();
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let decoding_state = decoding_state.clone();
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let input_path = input_path.clone();
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let output_path = output_path.clone();
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state.error = None;
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state.run_state = DecoderRunState::RUNNING;
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state.texture = None;
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std::thread::spawn(move || {
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let decoder_res =
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decoder::decode(&input_path, &output_path, |progress, image| {
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let mut state = decoding_state.lock().unwrap();
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state.progress = progress;
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let size = [image.width() as _, image.height() as _];
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let color_img = ColorImage::from_rgba_unmultiplied(
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size,
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image.as_flat_samples().as_slice(),
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);
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state.texture =
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Some(ctx.load_texture("decoded-image", color_img));
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ctx.request_repaint();
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return (state.is_running(), state.update_steps);
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});
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let mut state = decoding_state.lock().unwrap();
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state.run_state = DecoderRunState::DONE;
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state.error = match decoder_res {
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Err(err) => Some(err),
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_ => None,
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};
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ctx.request_repaint();
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});
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}
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if ui
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.add_enabled(
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state.is_running(),
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Button::new(RichText::new("Cancel").color(Color32::RED)),
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)
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.clicked()
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{
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state.run_state = DecoderRunState::CANCELED;
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}
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});
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let progressbar = ProgressBar::new(state.progress).show_percentage();
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ui.add(progressbar);
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ui.end_row();
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if let Some(err) = &state.error {
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ui.label(RichText::new(err.to_string()).color(Color32::RED));
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};
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ui.separator();
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let image_size = ui.available_size();
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state.update_steps = image_size[1] as u32;
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if let Some(texture) = &state.texture {
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ui.image(texture, image_size);
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}
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});
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}
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}
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}
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