-1 on unrecognized input and start bitmap converter

bitmap_to_asm/src/main.rs

@@ -0,0 +1,36 @@
+fn main() {
+    println!("Hello, world!");
+}
+
+fn path_to_img(path: &str) -> (Vec<u32>, String, u32, u32){
+    let img = match image::open(path) {
+        Ok(img) => img.to_luma8(),
+        Err(e) => panic!("failed to open image {path}: {e}"),
+    }
+
+    let width = img.width();
+    let height = img.height();
+
+    let mut bytes = Vec::new();
+    let mut bit = 0;
+    let mut byte = 0;
+    for y in 0..height {
+        for x in 0..width {
+            let pix = img.get_pixel(x, y)[0];
+            if pix >= 127 {
+                byte |= 1<<bit
+            }
+            bit += 1;
+            if bit == 32 {
+                bytes.push(byte);
+                byte = 0;
+                bit = 0;
+            }
+        }
+    }
+    if bit != 0 {
+        bytes.push(byte);
+    }
+    let path = path.split
+    (bytes,name,width,height)
+}