package reichert._02_bildbearbeitung;

import processing.core.PApplet;
import processing.core.PImage;

public class BildbearbeitungRotEntfernenAnimiert extends PApplet {

	private static final long serialVersionUID = 1L;

	PImage original;
	PImage bearbeitet;
	int y = 0;

	public void setup() {
		original = loadImage("goldengate.jpg");
		original.loadPixels();

		size(original.width * 2, original.height);

		bearbeitet = new PImage(original.width, original.height);
		bearbeitet.loadPixels();

		frameRate(150);
	}

	public void draw() {
		image(original, 0, 0, original.width, original.height);

		if (y < original.height) {
			for (int x = 0; x < original.width; x++) {
				int index = y * original.width + x;
				float gruen = green(original.pixels[index]);
				float blau = blue(original.pixels[index]);

				bearbeitet.pixels[index] = color(0, gruen, blau);
			}

			bearbeitet.updatePixels();

			y++;
		}

		image(bearbeitet, original.width, 0, bearbeitet.width,
				bearbeitet.height);
	}

}