changed Color to int, because of lack of unsigned byte

com/danitheskunk/skunkworks/Color.java

@@ -1,35 +1,35 @@
 package com.danitheskunk.skunkworks;
 
 public final class Color {
-	final byte r, g, b, a;
+	final int r, g, b, a;
 
-	public Color(byte r, byte g, byte b) {
+	public Color(int r, int g, int b) {
 		this.r = r;
 		this.g = g;
 		this.b = b;
-		this.a = (byte)0xff;
+		this.a = 0xff;
 	}
 
-	public Color(byte r, byte g, byte b, byte a) {
+	public Color(int r, int g, int b, int a) {
 		this.r = r;
 		this.g = g;
 		this.b = b;
 		this.a = a;
 	}
 
-	public byte getR() {
+	public int getR() {
 		return r;
 	}
 
-	public byte getG() {
+	public int getG() {
 		return g;
 	}
 
-	public byte getB() {
+	public int getB() {
 		return b;
 	}
 
-	public byte getA() {
+	public int getA() {
 		return a;
 	}
 

com/danitheskunk/skunkworks/Image.java

@@ -24,18 +24,18 @@ public class Image {
 	public Color getPixel(Vec2i pos) {
 		int i = pos.getX() * 4 + pos.getY() * 4 * width;
 		return new Color(
-			data[i + 0],
+			((int)data[i + 0]) & 0xFF,
-			data[i + 1],
+			((int)data[i + 1]) & 0xFF,
-			data[i + 2],
+			((int)data[i + 2]) & 0xFF,
-			data[i + 3]
+			((int)data[i + 3]) & 0xFF
 		);
 	}
 
 	public void setPixel(Vec2i pos, Color col) {
 		int i = pos.getX() * 4 + pos.getY() * 4 * width;
-		data[i + 0] = col.r;
+		data[i + 0] = (byte)(col.r & 0xFF);
-		data[i + 1] = col.g;
+		data[i + 1] = (byte)(col.g & 0xFF);
-		data[i + 2] = col.b;
+		data[i + 2] = (byte)(col.b & 0xFF);
-		data[i + 3] = col.a;
+		data[i + 3] = (byte)(col.a & 0xFF);
 	}
 }