/*

(c) 2012 Christopher Sloetjes

  www.clamcompression.com

REVISED BY ZYNASIS! still garbage quality code, but quite a bit faster.
*/

package genetic.demo;


import java.awt.Color;
import java.awt.Graphics;
import java.awt.Polygon;
import java.awt.image.BufferedImage;
import java.io.Serializable;

public class CompressedImage implements Serializable {
	private static final long serialVersionUID = 1L;
	public Triangle [] triangle=null;
	final BufferedImage image;
	int[][] imageData;
	public CompressedImage (BufferedImage image, int geneCount) {
		this.image=image;
		imageData = loadData(image);
		 
		triangle = new Triangle [geneCount];
		for (int i=0;i<geneCount;i++) {
			triangle[i] = new Triangle ();
			triangle[i].randomize();
		}
	}
	public int[][] loadData(BufferedImage image) {
		int[][] imageData = new int[256][256];
		for (int x=0;x<256;x++) {
			for (int y=0;y<256;y++) {
				imageData[x][y] = image.getRGB(x, y);
			}
		}
		return imageData;
	}
	public BufferedImage render () {
		BufferedImage result = new BufferedImage (256,256,BufferedImage.TYPE_INT_RGB);
		Graphics g = result.getGraphics();
		for (int i=0;i<triangle.length;i++) {
			Polygon p = new Polygon (triangle[i].x,triangle[i].y, 3);			
			g.setColor(new Color(triangle[i].c[0],triangle[i].c[1],triangle[i].c[2]));
			g.fillPolygon(p);
		}
		return result;
	}
	public int calculateFitness (BufferedImage img) {
		int result = 0;
		for (int x=0;x<256;x++) {
			for (int y=0;y<256;y++)
		{
			int c = imageData[x][y];
			int c2 = img.getRGB(x, y);
			
			int cred = (c >> 16) & 0x000000FF;
			int cgreen = (c >>8 ) & 0x000000FF;
			int cblue = (c) & 0x000000FF;
			
			int c2red = (c2 >> 16) & 0x000000FF;
			int c2green = (c2 >>8 ) & 0x000000FF;
			int c2blue = (c2) & 0x000000FF;

			result+=Math.abs(cred-c2red);
			result+=Math.abs(cgreen-c2green);
			result+=Math.abs(cblue-c2blue);
		}
		}
		return result;
	}
	
	Triangle t = null;
	public boolean mutate () {
		t = triangle[(Triangle.random.nextInt(triangle.length))];
		return t.mutate();
	}
	public void revert () {
		t.revert();
	}
}