/*

 * QuickTime for Java SDK Sample Code

   Usage subject to restrictions in SDK License Agreement

 * Copyright: © 1996-1999 Apple Computer, Inc.

 */

package createmovies;

import java.awt.*;

import quicktime.app.image.*;

/**

 * One based frame counting

 */

public class NumberPainter implements Paintable {

    public NumberPainter (int n) {

        numFrames = n;

    }

    private int width, height;

    private int numFrames;

    private int loopslot = 1;

    private int topInset, leftInset;

    private Font theFont = new Font (new String("Courier"), Font.PLAIN, 48);

    private boolean firstTime;

    private Rectangle[] ret = new Rectangle[1];

    private Rectangle dirtyDrawRect;

    /**

     * Returns the number of images

     */

    public int getNumberOfFrames () { return numFrames; }

    public void setCurrentFrame (int frame) {

        loopslot = frame;

        if (loopslot < 1) loopslot = 1;

        if (loopslot > numFrames) loopslot = numFrames;

    }

    /** 

     * Sets the current frame - zero based

     */

    public int getCurrentFrame () {

        return numFrames;

    }

    /**

     * The Parent object of the Paintable tell the paintable object the size of its available

     * drawing surface. Any drawing done outside of these bounds (originating at 0,0) will

     * be clipped.

     */

    public void newSizeNotified (QTImageDrawer drawer, Dimension d) {

        width = d.width;

        height = d.height;

        dirtyDrawRect = new Rectangle(width/2 - 25, height/2 - 20, 64, 44);

        ret[0] = new Rectangle (width, height);

        firstTime = true;

    }

    /**

     * Paint on the graphics. The supplied component is the component from which

     * the graphics object was derived or related to and is also the component

     * that is the object that paint was called upon that has called this method.

     * The Graphics object is what you should paint on.

     * This maybe an on or off screen graphics.

     * You should not cache this graphics object as it can be different

     * between different calls.

     * @param comp the component from which the Graphics object was derived or 

     * related too.

     * @param g the graphics to paint on.

     */

    public Rectangle[] paint (Graphics g) {

        if (firstTime) {

            g.setColor (Color.red);

            g.fillRect (0, 0, width, height);

            g.setColor (Color.green);

            g.fillRect (0, 0, 8, 8);

            g.fillRect (width - 8, 0, 8, 8);

            g.fillRect (0, height - 8, 8, 8);

            g.fillRect (width - 8, height - 8, 8, 8);

        }

        g.setColor (Color.red);

        g.fillRect (dirtyDrawRect.x, dirtyDrawRect.y, dirtyDrawRect.width, dirtyDrawRect.height);

        g.setColor (Color.blue);

        g.setFont (theFont);        

        g.drawString (String.valueOf (loopslot), width/2 - 25, height/2 + 20);

        if (firstTime)

            firstTime = false;  //we have done the first time now don't do it again

        else

            ret[0] = dirtyDrawRect; 

        return ret;

    }

}