COLOR


public class Color implements Comparable
    {
final static int BYTE_MASK=255;
private long red,green,blue;
protected long color;
public void rgb2color()
{
    color=(red<<16)|(green<<8)|(blue);
}
public void color2rgb()
{
    red=color>>16;
    green=(color>>8)&BYTE_MASK;
    blue=color&BYTE_MASK;

}
public Color()
{

}
public Color(long c)
    {
    this.color=c;
    color2rgb();
    }
public long getRed()
    {
    return red;
    }
public void setRed(long r)
    {
    red=r;
    rgb2color();
    }
public long getGreen()
{
return green;
}
public void setGreen(long v)
{
    green=v;
rgb2color();
}
public long getBlue()
{
return blue;
}
public void setBlue(long m)
{
    blue=m;
rgb2color();
}
public String toString()
{
    return "Red: "+red+",Green:"+green+ ", Blue:" +blue+", Color:"+color;
}
    public boolean equals(Object r){
        return this.color==((Color)r).color;
    }
    public int compareTo(Object c)
    {
        if (this.color<((Color)c).color)
            return -1;
        if (this.color>((Color)c).color)
            return 1;
        return 0;
    }

    }


COLOR RECTANGLE
public class ColorRectangle extends Color implements Comparable
{private int iX1,iY1,iX2,iY2;
public ColorRectangle(){}
public ColorRectangle(int x1,int y1,int x2,int y2,long c){
    super(c);
    iX1=x1;
    this.iY1=y1;
    this.iX2=x2;
    this.iY2=y2;
}
public int getIX1(){
    return iX1;
}
public int getIY1(){
    return iY1;
}
public int getIx2(){
    return iX2;
}
public int getIY2(){
    return iY2;
}
public int calcArea(){
    return Math.abs((iX2-iX1)*(iY2-iY1));
}
public int compareTo(Object r){
    if(this.calcArea()<((ColorRectangle)r).calcArea())
        return -1;
    if(this.calcArea()>((ColorRectangle)r).calcArea())
        return 1;
    return 0;
}
public String toString(){
    return "x1:"+iX1+",Y1:"+iY1+",x2:"+iX2+",Y2:"+iY2+"Color:"+super.toString();
}

public boolean equals(ColorRectangle r){
    return(this.calcArea()==r.calcArea()&&this.equals(r));
}
public void translateX(int iPoints){
    iX1=iX1+iPoints;
    iX2+=iPoints;
}
public void translateY(int iPoints){
    iY1=iY1+iPoints;
    iY2+=iPoints;
}
public void translateXY(int iPoints){
    translateX(iPoints);
    translateY(iPoints);
}
public boolean isInside(int pX,int pY){
    if(iX1<pX && iX2>pX && iY1<pY && iY2>pY){
        return true;
    }
    else{
        return false;
    }
}
public ColorRectangle unionRect(ColorRectangle r){
    int x1=Math.min(iX1,r.iX1);
    int y1=Math.min(iY1,r.iY1);
    int x2=Math.max(iX2,r.iX2);
    int y2=Math.max(iY2,r.iY2);
    long c=this.color&r.color;
    r=new ColorRectangle(x1,y1,x2,y2,c);

    ColorRectangle current=new ColorRectangle(x1,y1,x2,y2,c);
    return current;
}
public ColorRectangle unionRect2(ColorRectangle r){
    int x1=Math.max(iX1,r.iX1);
    int y1=Math.max(iY1,r.iY1);
    int x2=Math.min(iX2,r.iX2);
    int y2=Math.min(iY2,r.iY2);
    long c=this.color&r.color;
    ColorRectangle current=new ColorRectangle(x1,y1,x2,y2,c);
    return current;
}
public static void main(String[]args){
    ColorRectangle a1=new ColorRectangle(4,4,10,10,14789);
    ColorRectangle a2=new ColorRectangle(2,2,5,5,12548);
    System.out.println("a1:"+a1.toString());
    System.out.println("a2:"+a2);
    if(a1.equals(a2)){
        System.out.println("Areas are equal");
    }
    else{
        System.out.println("Areas are NOT equal");
    }
    ColorRectangle a3=a1.unionRect(a2);
    System.out.println("a3:"+a3);
}
}