1 files changed, 31 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..242654b
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,31 @@
+fn main() {
+    let args: Vec<String> = std::env::args().collect();
+    if args.len() != 2 {
+        eprintln!("usage: {} palette.png", args[0]);
+        std::process::exit(1);
+    }
+
+    let pal = image::io::Reader::open(&args[1])
+        .expect("failed to open image")
+        .decode()
+        .expect("decoding failed")
+        .to_rgb8();
+
+    println!(r#"#include "px.h""#);
+    println!(r"__attribute__(constructor))");
+    println!(r"static void set_pxpal(void)");
+    println!(r"{{");
+
+    for y in 0..pal.height() {
+        for x in 0..pal.width() {
+            let pixel = pal.get_pixel(x, y);
+            let i = x + y * pal.width();
+            println!(
+                "\tpxpal[{0}].r={1}; pxpal[{0}].g={2}; pxpal[{0}].b={3};",
+                i, pixel[0], pixel[1], pixel[2]
+            );
+        }
+    }
+
+    println!(r"}}")
+}