Allow importing aseprite backgrounds directly

agb-image-converter/src/image_loader.rs

@@ -1,6 +1,6 @@
-use std::path;
+use std::{ffi::OsStr, path};
 
-use image::GenericImageView;
+use image::{DynamicImage, GenericImageView};
 
 use crate::colour::Colour;
 
@@ -12,7 +12,17 @@ pub(crate) struct Image {
 
 impl Image {
     pub fn load_from_file(image_path: &path::Path) -> Self {
-        let img = image::open(image_path).expect("Expected image to exist");
+        let img = if image_path
+            .extension()
+            .is_some_and(|extension| extension == OsStr::new("aseprite"))
+        {
+            let ase =
+                asefile::AsepriteFile::read_file(image_path).expect("failed to read aseprite file");
+            DynamicImage::ImageRgba8(ase.frame(0).image())
+        } else {
+            image::open(image_path).expect("Expected image to exist")
+        };
+
         Self::load_from_dyn_image(img)
     }
 

examples/hyperspace-roll/src/background.rs

@@ -6,9 +6,9 @@ use agb::{
 use crate::sfx::Sfx;
 
 include_background_gfx!(backgrounds, "121105",
-    stars => "gfx/stars.png",
+    stars => "gfx/stars.aseprite",
-    title => "gfx/title-screen.png",
+    title => "gfx/title-screen.aseprite",
-    help => "gfx/help-text.png",
+    help => "gfx/help-text.aseprite",
     descriptions1 => "gfx/descriptions1.png",
     descriptions2 => "gfx/descriptions2.png",
 );

examples/the-purple-night/src/lib.rs

@@ -57,7 +57,7 @@ const SWORDLESS_JUMP: &Tag = TAG_MAP.get("jump swordless");
 const SWORDLESS_ATTACK: &Tag = KNIFE_ATTACK;
 const SWORDLESS_JUMP_ATTACK: &Tag = KNIFE_JUMP_ATTACK;
 
-agb::include_background_gfx!(background, "53269a", background => "gfx/background.png");
+agb::include_background_gfx!(background, "53269a", background => "gfx/background.aseprite");
 
 type Number = FixedNum<8>;