add no-cache flag

src/app.rs

@@ -1197,6 +1197,7 @@ impl App {
         proxy: EventLoopProxy<UserEvent>,
         size: [f32; 2],
         zen_mode: bool,
+        no_cache: bool,
     ) -> Self {
         let dialog_manager = DialogManager::new(proxy.clone());
         App {
@@ -1206,7 +1207,7 @@ impl App {
             image_renderer: image_renderer::Renderer::new(wgpu),
             crop_renderer: crop_renderer::Renderer::new(wgpu),
             image_view: None,
-            op_queue: OpQueue::new(proxy.clone(), dialog_manager.get_proxy()),
+            op_queue: OpQueue::new(proxy.clone(), dialog_manager.get_proxy(), no_cache),
             dialog_manager,
             color_type: ColorType::Rgba8,
             size: Vector2::from(size),

src/app/op_queue.rs

@@ -107,9 +107,13 @@ pub struct OpQueue {
 }
 
 impl OpQueue {
-    pub fn new(proxy: EventLoopProxy<UserEvent>, dialog_proxy: DialogProxy) -> Self {
+    pub fn new(
+        proxy: EventLoopProxy<UserEvent>,
+        dialog_proxy: DialogProxy,
+        no_cache: bool,
+    ) -> Self {
         const CACHE_SIZE: usize = 1_000_000_000;
-        let cache = Arc::new(Cache::new(CACHE_SIZE));
+        let cache = Arc::new(Cache::new(if no_cache { 0 } else { CACHE_SIZE }));
         let loading_info = Arc::new(Mutex::new(LoadingInfo::default()));
 
         Self {

src/cli.rs

@@ -23,5 +23,11 @@ pub fn get_clap_command() -> clap::Command {
                 .help("Remove all UI")
                 .action(clap::ArgAction::SetTrue),
         )
+        .arg(
+            clap::Arg::new("no-cache")
+                .long("no-cache")
+                .help("Do not cache images in memory")
+                .action(clap::ArgAction::SetTrue),
+        )
         .arg(clap::Arg::new("file").help("Load this file").index(1))
 }

src/main.rs

@@ -61,7 +61,7 @@ pub struct WindowHandler {
 }
 
 impl WindowHandler {
-    pub async fn new(fullscreen: bool, zen_mode: bool) -> Self {
+    pub async fn new(fullscreen: bool, zen_mode: bool, no_cache: bool) -> Self {
         let mut config: Config = confy::load("simp", None).unwrap_or_default();
         config.preferences.clamp();
 
@@ -204,6 +204,7 @@ impl WindowHandler {
             proxy.clone(),
             [size.width as f32, size.height as f32],
             zen_mode,
+            no_cache,
         );
 
         let ctrl_proxy = proxy.clone();
@@ -461,8 +462,9 @@ fn main() {
     let path: Option<&String> = matches.get_one("file");
     let fullscreen: bool = matches.get_flag("fullscreen");
     let zen_mode: bool = matches.get_flag("zen-mode");
+    let no_cache: bool = matches.get_flag("no-cache");
 
-    let mut window_handler = pollster::block_on(WindowHandler::new(fullscreen, zen_mode));
+    let mut window_handler = pollster::block_on(WindowHandler::new(fullscreen, zen_mode, no_cache));
 
     if !io::stdin().is_terminal() {
         let proxy = window_handler.proxy.clone();