Merge branch 'feature/experiments1' into develop

rust_project/loda-rust-cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "loda-rust-cli"
-version = "2024.1.6"
+version = "2024.2.6"
 authors = ["Simon Strandgaard <[email protected]>"]
 description = "Command line interface for LODA Rust"
 repository = "https://github.com/loda-lang/loda-rust"

rust_project/loda-rust-cli/src/arc/checkerboard.rs

@@ -0,0 +1,44 @@
+use super::{Image, ImageTryCreate};
+use num_integer::Integer;
+
+#[allow(dead_code)]
+pub struct Checkerboard;
+
+impl Checkerboard {
+    #[allow(dead_code)]
+    pub fn checkerboard(width: u8, height: u8, color0: u8, color1: u8) -> Image {
+        if width == 0 || height == 0 {
+            return Image::empty();
+        }
+        let mut pixels = Vec::<u8>::new();
+        for y in 0..(height as u16) {
+            for x in 0..(width as u16) {
+                let color = if (x + y).is_even() { color0 } else { color1 };
+                pixels.push(color);
+            }
+        }
+        assert_eq!(pixels.len(), (width as usize) * (height as usize));
+        Image::try_create(width, height, pixels).expect("image")
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_10000_checkerboard() {
+        // Act
+        let actual: Image = Checkerboard::checkerboard(5, 4, 0, 1);
+
+        // Assert
+        let expected_pixels: Vec<u8> = vec![
+            0, 1, 0, 1, 0,
+            1, 0, 1, 0, 1,
+            0, 1, 0, 1, 0,
+            1, 0, 1, 0, 1,
+        ];
+        let expected: Image = Image::try_create(5, 4, expected_pixels).expect("image");
+        assert_eq!(actual, expected);
+    }
+}