refactored shitty unusable code

Signed-off-by: rattatwinko <seppmutterman@gmail.com>

src/main/java/io/swtc/proccessing/ImageUtils.java

@@ -0,0 +1,36 @@
+package io.swtc.proccessing;
+
+import java.awt.Graphics;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBufferInt;
+
+public class ImageUtils {
+
+    public static int[] getPixels(BufferedImage img) {
+        return ((DataBufferInt) ensureIntRGB(img).getRaster().getDataBuffer()).getData();
+    }
+
+    public static BufferedImage createFromPixels(int[] pixels, int width, int height) {
+        BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+        int[] dst = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
+        System.arraycopy(pixels, 0, dst, 0, pixels.length);
+        return img;
+    }
+
+    public static BufferedImage ensureIntRGB(BufferedImage img) {
+        if (img.getType() == BufferedImage.TYPE_INT_RGB) {
+            return img;
+        }
+        BufferedImage newImg = new BufferedImage(img.getWidth(), img.getHeight(), BufferedImage.TYPE_INT_RGB);
+        Graphics g = newImg.getGraphics();
+        g.drawImage(img, 0, 0, null);
+        g.dispose();
+        return newImg;
+    }
+
+    public static int clamp(int val) {
+        if (val < 0) return 0;
+        if (val > 255) return 255;
+        return val;
+    }
+}