Université de Bordeaux

//=================================================
interface Point2D  {
	Object clone();
	boolean equals(Object o);
	String toString();
	double getX();
	double getY();
	void setX(double x);
	void setY(double y);
	void translate(double dx, double dy);
}
//=================================================
abstract class Point2DAbstract  implements Point2D {	
	abstract public Object clone();	
	public boolean equals(Object o) {
		if ( o instanceof Point2D ) {
			Point2D p = (Point2D) o;
			return getX() == p.getX() && getY() == p.getY();
		}
		else
			return false;
	}
	public String toString() {
		return "(" + getX() + "," + getY() + ")";
	}
	public void translate(double dx, double dy) {
		setX(getX() + dx);
		setY(getY() + dy);
	}
}
//=================================================
/**
 *
 */
class Point2DArray extends Point2DAbstract {
	/**
	 * Constructeur appelé à l'instanciation des objets de type Point
	 */
	public Point2DArray(double x, double y) {
		coords = new double[2];
		coords[0] = x;
		coords[1] = y;
	}
	//Copie
	public Object clone() {
		return new Point2DArray(coords[0], coords[1]);
	}
	//Accesseurs
	public double getX() {
		return coords[0];
	}
	public double getY() {
		return coords[1];
	}
	public void setX(double x) {
		coords[0] = x;
	}
	public void setY(double y) {
		coords[1] = y;
	}
	private double coords [];
}
//=================================================
/**
 *
 */
class Point2DXY extends Point2DAbstract {
	/**
	 * Constructeur appelé à l'instanciation des objets de type Point
	 */
	public Point2DXY(double x, double y) {
		this.x = x;
		this.y = y;
	}
	//Copie
	public Object clone() {
		return new Point2DXY(x, y);
	}
	//Accesseurs
	public double getX() {
		return x;
	}
	public double getY() {
		return y;
	}
	public void setX(double x) {
		this.x = x;
	}
	public void setY(double y) {
		this.y = y;
	}
	private double x;
	private double y;
}
//==========================================================
interface Color {
	Object clone();
	boolean equals(Object o);
	String toString();
	int getR();
	int getG();
	int getB();
	int getA();
	void set(int r, int g, int b, int a);
	void setR(int r);
	void setG(int g);
	void setB(int b);
	void setA(int a);
}
//=================================================
abstract class ColorAbstract  implements Color {
	abstract public Object clone();
	public boolean equals(Object o) {
		if ( o instanceof Color )
		{
			Color c = (Color) o;
			return getR() == c.getR() && getG() == c.getG() && getB() == c.getB() && getA() == c.getA();
		}
		else
			return false;
	}
	public String toString() {
		return "(" + getR() + "," + getG() + "," + getB() + "," + getA() + ")";
	}
	public void set(int r, int g, int b, int a) {
		setR(r);
		setG(g);
		setB(b);
		setA(a);
	}

}
//=================================================
class ColorInt extends ColorAbstract {
	public ColorInt(int r, int g, int b, int a){
		set(r, g, b, a);
	}
	public Object clone() {
		return new ColorInt(getR(), getG(), getB(), getA());
	}
	public int getR() {
		return (int)((_col & 0xFF000000) >> 24);
	}
	public int getG() {
		return (int)((_col & 0x00FF0000) >> 16);
	}
	public int getB() {
		return (int)((_col & 0x0000FF00) >> 8);
	}
	public int getA() {
		return (int)((_col & 0x000000FF));
	}
	public void setR(int r) {
		_col = _col & 0x00FFFFFF;
		_col = _col | ((int)r) << 24;
	}
	public void setG(int g) {
		_col = _col & 0xFF00FFFF;
		_col = _col | ((int)g) << 16;
	}
	public void setB(int b) {
		_col = _col & 0xFFFF00FF;
		_col = _col | ((int)b) << 8;
	}
	public void setA(int a) {
		_col = _col & 0xFFFFFF00;
		_col = _col | ((int)a);
	}
	private int _col;
}
//=================================================
class Color4Int extends ColorAbstract {
	public Color4Int (int r, int g, int b, int a){
		_r = r;
		_g = g;
		_b = b;
		_a = a;
	}
	public Object clone() {
		return new Color4Int(_r, _g, _b, _a);
	}
	public int getR() {
		return _r;
	}
	public int getG() {
		return _g;
	}
	public int getB() {
		return _b;
	}
	public int getA() {
		return _a;
	}
	public void setR(int r) {
		_r = r;
	}
	public void setG(int g) {
		_g = g;
	}
	public void setB(int b) {
		_b = b;
	}
	public void setA(int a) {
		_a = a;
	}
	private int _r, _g, _b, _a;
}