rework image

src/image.rs

@@ -1,22 +1,26 @@
 #[derive(Debug, Eq, PartialEq)]
 pub struct Image {
-    pub pixels: Vec<u32>, // 64 for SD, 256 for HD
+    pub pixels: Vec<u8>, // 64 for SD, 256 for HD
 }
 
 impl From<String> for Image {
     #[inline]
     fn from(string: String) -> Image {
-        let string = string.replace("\n", "");
+        print!("image: \n{}", string);
         let string = string.replace("NaN", "0");
-        let pixels: Vec<&str> = string.split("").collect();
-        // the above seems to add an extra "" at the start and end of the vec, so strip them below
-        let pixels = &pixels[1..(pixels.len() - 1)];
-        let pixels: Vec<u32> = pixels
-            .iter()
-            .map(|&pixel|
-                pixel.parse::<u32>().expect(&format!("Bad pixel in image: {}\n", pixel))
-            )
-            .collect();
+        let string = string.trim();
+        let lines: Vec<&str> = string.lines().collect();
+        let dimension = lines.len();
+        let mut pixels: Vec<u8> = Vec::new();
+
+        for line in lines {
+            let line = &line[..dimension];
+            println!("line: {}", line);
+            for char in line.chars().into_iter() {
+                println!("Char: {} value: {}", char, match char {'1' => 1, _ => 0});
+                pixels.push(match char {'1' => 1, _ => 0});
+            }
+        }
 
         Image { pixels }
     }