PixelGrid::max_sized, cloneable

examples/moving_line/src/main.rs

@@ -5,7 +5,7 @@ fn main() {
     let connection = Connection::open("localhost:2342").unwrap();
 
     for x_offset in 0..usize::MAX {
-        let mut pixels = PixelGrid::new(PIXEL_WIDTH as usize, PIXEL_HEIGHT as usize);
+        let mut pixels = PixelGrid::max_sized();
 
         for y in 0..PIXEL_HEIGHT as usize {
             pixels.set((y + x_offset) % PIXEL_WIDTH as usize, y, true);

src/bit_vec.rs

@@ -1,5 +1,5 @@
 /// A vector of bits
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct BitVec {
     data: Vec<u8>,
 }

src/pixel_grid.rs

@@ -1,6 +1,6 @@
-use crate::{BitVec};
+use crate::{BitVec, PIXEL_HEIGHT, PIXEL_WIDTH};
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PixelGrid {
     pub width: usize,
     pub height: usize,
@@ -8,7 +8,7 @@ pub struct PixelGrid {
 }
 
 impl PixelGrid {
-    pub fn new(width: usize, height: usize) -> PixelGrid {
+    pub fn new(width: usize, height: usize) -> Self {
         assert_eq!(width % 8, 0);
         assert_eq!(height % 8, 0);
         Self {
@@ -18,6 +18,10 @@ impl PixelGrid {
         }
     }
 
+    pub fn max_sized() -> Self {
+        Self::new(PIXEL_WIDTH as usize, PIXEL_HEIGHT as usize)
+    }
+
     pub fn set(&mut self, x: usize, y: usize, value: bool) -> bool {
         self.bit_vec.set(x + y * self.width, value)
     }