EDITEUR DE DÉGRADÉS DE COULEURS LINÉAIRES OU RADIAL (JAVA 6)

import java.awt.Color;
import java.awt.LinearGradientPaint;
import java.awt.MultipleGradientPaint;
import java.awt.RadialGradientPaint;
import java.awt.Rectangle;
import java.awt.geom.Point2D;
import java.util.ArrayList;
import java.util.Collections;

public class CGradient extends ArrayList<CGradientColor> {

	private static final long serialVersionUID = 1L;

	private int _angle = 0;
	private boolean _radial = false; 
	
	public CGradient() {
		super();
	}
		
	public CGradient(int angle, boolean radial) {
		this();
		_angle = angle;
		_radial = radial;
	}
	
	public int getAngle() {
		return _angle;
	}
	
	public void setAngle(int angle) {
		_angle = angle;
	}
		
	public boolean isRadial() {
		return _radial;
	}
	
	public void setRadial(boolean radial) {
		_radial = radial;
	}

	@SuppressWarnings("unchecked")
	public MultipleGradientPaint getPaint(Rectangle position) {
		Collections.sort(this);
		
		float[] fraction = new float[size()];
		Color[] colors = new Color[size()];
		float temp = -1f;
		for (int i = 0; i < size(); ++i) {
			if (get(i).getPosition() / 100.0f > temp) {
				fraction[i] = get(i).getPosition() / 100.0f;
			} else {
				if (temp < 1) {
					fraction[i] = temp + 0.001f;
				}
			}
			temp = fraction[i];
			colors[i] = get(i).getColor();
		}
		
		MultipleGradientPaint gradient;
		if (_radial) {
			float rayon = 0;
			if (position.width > position.height) {
				rayon = position.height;
			} else {
				rayon = position.width;
			}
			gradient = new RadialGradientPaint(new Point2D.Double(position.x + position.width / 2, position.y + position.height / 2), rayon, fraction, colors);
		} else {
			float angle = (2.0f * new Float(Math.PI) / 360.0f) * _angle;
			Point2D start = new Point2D.Double((position.x + position.width / 2) + Math.cos(angle) * position.width / 2, (position.y + position.height / 2) + Math.sin(angle) * position.height / 2);
			Point2D end = new Point2D.Double((position.x + position.width / 2) + Math.cos(Math.PI + angle) * position.width / 2, (position.y + position.height / 2) + Math.sin(Math.PI + angle) * position.height / 2);
			gradient = new LinearGradientPaint(start, end, fraction, colors);
		}
		return gradient;
	}
}

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