Init commit

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "graphics"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+show-image = "0.14.0"
+image2 = "1.9.2"

shell.nix

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+{ pkgs ? import <nixpkgs> {} }:
+with pkgs; mkShell rec {
+  buildInputs = [
+    cargo
+    rustc
+    rust-analyzer
+    pkg-config
+    openimageio
+    wayland
+    libGL
+    libxkbcommon
+    egl-wayland
+    vulkan-loader
+  ];
+
+  shellHook = ''
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${lib.makeLibraryPath (buildInputs) }
+  '';
+
+  WINIT_UNIX_BACKEND="wayland";
+}

src/main.rs

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+use image2::*;
+use show_image::{ImageView, ImageInfo, event, create_window};
+
+#[show_image::main]
+fn main() -> Result<(), Error> {
+    println!("Hello, world!");
+
+    // Open the image
+    let image = Image::<u8, Rgb>::open("/home/sweetbread/nix/screenshot.png")?;
+
+    // // Show the image
+    // let img = ImageView::new(ImageInfo::rgb8(image.width().try_into().unwrap(), image.height().try_into().unwrap()), image.buffer());
+    // let win = create_window("image", Default::default()).unwrap();
+    // win.set_image("image-001", img).unwrap();
+
+    // // Wait until Escape will be pressed
+    // for event in win.event_channel().unwrap() {
+    //     if let event::WindowEvent::KeyboardInput(event) = event {
+    //         if event.input.key_code == Some(event::VirtualKeyCode::Escape) && event.input.state.is_pressed() {
+    //             break;
+    //         }
+    //     }
+    // }
+
+    // Create new imahe
+    let mut new_image = image.new_like_with_color::<Hsv>();
+
+    for x in 0..image.width() {
+        for y in 0..image.height() {
+            let p = image.get_pixel(Point::new(x, y));
+            let mut hsv_p = Pixel::<Hsv>::new();
+
+            for i in 0..2 {
+                hsv_p[i] = p[i];
+            }
+
+            new_image.set_pixel(Point::new(x, y), &hsv_p);
+        }
+    }
+
+    new_image.save("result.png").expect("Failed to save resulting image");
+
+    Ok(())
+}