/*
 * @(#)ACimages.java	1.14 98/06/29
 *
 * Copyright 1998 by Sun Microsystems, Inc.,
 * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information
 * of Sun Microsystems, Inc. ("Confidential Information").  You
 * shall not disclose such Confidential Information and shall use
 * it only in accordance with the terms of the license agreement
 * you entered into with Sun.
 */

package demos.Composite;

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.font.TextLayout;
import java.awt.font.FontRenderContext;
import J2DCanvas;


/**
 * Compositing shapes on images.
 */
public class ACimages extends J2DCanvas {

    private int numImgs = 9;
    private Image imgs[];

    public ACimages() {
	setBackground(Color.white);

	String s[] = { "box", "fight", "magnify",
			"boxwave", "globe", "snooze",
			"tip", "thumbsup", "dukeplug"};
	imgs = new Image[numImgs];
        for (int i = 0; i < imgs.length; i++) {
	    imgs[i] = getImage("images/" + s[i] + ".gif");
	}
    }


    public void drawDemo(Graphics2D g2) {

	float alpha = 0.0f;
        Color colors[] = { Color.blue, Color.cyan, Color.green,
			Color.magenta, Color.orange, Color.pink,
			Color.red, Color.yellow, Color.lightGray };

	int iw = w/3;
	int ih = (h-45)/3;
	float xx = 0, yy = 15;

	for (int i =0; i < imgs.length; i++) {

	    xx = (i%3 == 0) ? 0 : xx+w/3;
	    switch (i) {
		case 3 : yy = h/3+15; break;
		case 6 : yy = h/3*2+15;
	    }

	    g2.setComposite(AlphaComposite.SrcOver);
	    g2.setColor(Color.black);
            AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha += .1f);
	    String s = "a=" + Float.toString(alpha).substring(0,3);
	    new TextLayout(s,g2.getFont(), g2.getFontRenderContext()).draw(g2, xx+3, yy-2);

	    Shape shape=null;

	    switch (i%3) {
		case 0 : shape = new Ellipse2D.Float(xx, yy, iw, ih);
			break;
		case 1 : shape = new RoundRectangle2D.Float(xx, yy, iw, ih, 25, 25);
			break;
		case 2 : shape = new Rectangle2D.Float(xx, yy, iw, ih);
			break;
	    }
	    g2.setColor(colors[i]);
	    g2.setComposite(ac);
            g2.fill(shape);
            g2.drawImage(imgs[i], (int) xx, (int) yy, iw, ih, this);
	}
    }


    public static void main(String s[]) {
	WindowListener l = new WindowAdapter() {
	    public void windowClosing(WindowEvent e) {System.exit(0);}
	};
	Frame f = new Frame("Java2D Demo - ACimages");
	f.addWindowListener(l);
	f.add("Center", new ACimages());
	f.pack();
	f.setSize(new Dimension(400,300));
	f.show();
    }
}