Data commit

Task/Draw-a-pixel/Rust/draw-a-pixel.rust

@@ -0,0 +1,34 @@
+extern crate piston_window;
+extern crate image;
+
+use piston_window::*;
+
+fn main() {
+    let (width, height) = (320, 240);
+
+    let mut window: PistonWindow =
+        WindowSettings::new("Red Pixel", [width, height])
+        .exit_on_esc(true).build().unwrap();
+
+    // Since we cant manipulate pixels directly, we need to manipulate the pixels on a canvas.
+    // Only issue is that sub-pixels exist (which is probably why the red pixel looks like a smear on the output image)
+    let mut canvas = image::ImageBuffer::new(width, height);
+    canvas.put_pixel(100, 100, image::Rgba([0xff, 0, 0, 0xff]));
+
+    // Transform into a texture so piston can use it.
+    let texture: G2dTexture = Texture::from_image(
+        &mut window.factory,
+        &canvas,
+        &TextureSettings::new()
+    ).unwrap();
+
+    // The window event loop.
+    while let Some(event) = window.next() {
+        window.draw_2d(&event, |context, graphics| {
+            clear([1.0; 4], graphics);
+            image(&texture,
+            context.transform,
+            graphics);
+        });
+    }
+}