add some extra derive's to various structs

libretrogd/src/audio/buffer/mod.rs

@@ -11,7 +11,7 @@ pub enum AudioBufferError {
 }
 
 /// Holds audio sample data that can be played via [`AudioDevice`].
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct AudioBuffer {
     spec: AudioSpec,
     pub data: Vec<u8>,

libretrogd/src/graphics/bitmap/mod.rs

@@ -40,7 +40,7 @@ pub enum BitmapError {
 /// one row to the next is always exactly equal to the bitmap width. Rendering operations provided
 /// here are done with respect to the bitmaps clipping region, where rendering outside of the
 /// clipping region is simply not performed / stops at the clipping boundary.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct Bitmap {
     width: u32,
     height: u32,

libretrogd/src/graphics/bitmapatlas.rs

@@ -11,7 +11,7 @@ pub enum BitmapAtlasError {
     OutOfBounds,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct BitmapAtlas {
     bitmap: Bitmap,
     bounds: Rect,

libretrogd/src/graphics/font.rs

@@ -43,7 +43,7 @@ pub trait Font {
     fn measure(&self, text: &str, opts: FontRenderOpts) -> (u32, u32);
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct BitmaskCharacter {
     bytes: [u8; CHAR_HEIGHT],
     bounds: Rect,
@@ -83,7 +83,7 @@ impl Character for BitmaskCharacter {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct BitmaskFont {
     characters: Box<[BitmaskCharacter]>,
     line_height: u8,

libretrogd/src/graphics/palette.rs

@@ -189,7 +189,7 @@ pub enum PaletteFormat {
 
 /// Contains a 256 color palette, and provides methods useful for working with palettes. The
 /// colors are all stored individually as 32-bit packed values in the format 0xAARRGGBB.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct Palette {
     colors: [u32; NUM_COLORS],
 }
@@ -495,13 +495,6 @@ impl IndexMut<u8> for Palette {
     }
 }
 
-impl PartialEq for Palette {
-    #[inline]
-    fn eq(&self, other: &Self) -> bool {
-        self.colors == other.colors
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use tempfile::TempDir;

libretrogd/src/math/matrix3x3.rs

@@ -3,7 +3,7 @@ use std::ops::{Mul, MulAssign};
 use crate::math::*;
 
 /// Represents a 3x3 column-major matrix and provides common methods for matrix math.
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, PartialEq)]
 pub struct Matrix3x3 {
     pub m: [f32; 9],
 }