// Copyright 1996, Marimba Inc. All Rights Reserved.


// @(#)RectList.java, 1.1, 10/19/96





package marimba.gui;





import java.awt.*;





/**


 * A list of rectangles.


 *


 * @author	Arthur van Hoff


 * @version 	1.1, 10/19/96


 */


class RectList {


    int nrects;


    Rect rects[];





    void add(Rect r) {


	add(nrects, r);


    }





    void add(int i, Rect r) {


	if (rects == null) {


	    rects = new Rect[4];


	} else if (rects.length == nrects) {


	    Rect newrects[] = new Rect[Math.max(4, nrects*2)];


	    System.arraycopy(rects, 0, newrects, 0, nrects);


	    rects = newrects;


	}


	System.arraycopy(rects, i, rects, i+1, nrects++ - i);


	rects[i] = r;


    }





    void delete(int i) {


	System.arraycopy(rects, i+1, rects, i, --nrects - i);


	rects[nrects] = null;


    }





    void clear() {


	while (nrects > 0) {


	    rects[--nrects] = null;


	}


    }





    /**


     * For debugging.


     */


    void list() {


	for (int i = 0 ; i < nrects ; i++) {


	    System.out.println(i + " : " + rects[i]);


	}


    }


}