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/*
* @(#)ClipAnim.java 1.30 06/08/29
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/
/*
* @(#)ClipAnim.java 1.30 06/08/29
*/
package java2d.demos.Clipping;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.BufferedImage;
import javax.swing.*;
import java2d.AnimatingControlsSurface;
import java2d.CustomControls;
import static java.lang.Math.random;
import static java.awt.Color.*;
/**
* Animated clipping of an image & composited shapes.
*/
public class ClipAnim extends AnimatingControlsSurface {
private static Image dimg, cimg;
private static Color redBlend = new Color(255, 0, 0, 120);
private static Color greenBlend = new Color( 0, 255, 0, 120);
private static BasicStroke bs = new BasicStroke(20.0f);
static TexturePaint texture;
static {
BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
Graphics2D big = bi.createGraphics();
big.setBackground(YELLOW);
big.clearRect(0,0,5,5);
big.setColor(RED);
big.fillRect(0,0,3,3);
texture = new TexturePaint(bi,new Rectangle(0,0,5,5));
}
private AnimVal animval[] = new AnimVal[3];
protected boolean doObjects = true;
private Font originalFont = new Font("serif", Font.PLAIN, 12);
private Font font;
private GradientPaint gradient;
private int strX, strY;
private int dukeX, dukeY;
public ClipAnim() {
cimg = getImage("clouds.jpg");
dimg = getImage("duke.gif");
setBackground(WHITE);
animval[0] = new AnimVal(true);
animval[1] = new AnimVal(false);
animval[2] = new AnimVal(false);
setControls(new Component[] { new DemoControls(this) });
}
public void reset(int w, int h) {
for (AnimVal a : animval) {
a.reset(w, h);
}
gradient = new GradientPaint(0,h/2,RED,w*.4f,h*.9f,YELLOW);
dukeX = (int) (w*.25 - dimg.getWidth (this)/2);
dukeY = (int) (h*.25 - dimg.getHeight(this)/2);
FontMetrics fm = getFontMetrics(originalFont);
double sw = fm.stringWidth("CLIPPING");
double sh = fm.getAscent() + fm.getDescent();
double sx = (w/2-30)/sw;
double sy = (h/2-30)/sh;
AffineTransform Tx = AffineTransform.getScaleInstance(sx, sy);
font = originalFont.deriveFont(Tx);
fm = getFontMetrics(font);
strX = (int) (w*.75 - fm.stringWidth("CLIPPING")/2);
strY = (int) (h*.72 + fm.getAscent()/2);
}
public void step(int w, int h) {
for (AnimVal a : animval) {
if (a.isSelected) {
a.step(w, h);
}
}
}
public void render(int w, int h, Graphics2D g2) {
GeneralPath p1 = new GeneralPath();
GeneralPath p2 = new GeneralPath();
for (AnimVal a : animval) {
if (a.isSelected) {
double x = a.x;
double y = a.y;
double ew = a.ew;
double eh = a.eh;
p1.append(new Ellipse2D.Double(x, y, ew, eh ), false);
p2.append(new Rectangle2D.Double(x+5,y+5,ew-10,eh-10), false);
}
}
if (animval[0].isSelected ||
animval[1].isSelected ||
animval[2].isSelected)
{
g2.setClip(p1);
g2.clip(p2);
}
if (doObjects) {
int w2 = w/2;
int h2 = h/2;
g2.drawImage(cimg, 0, 0, w2, h2, null);
g2.drawImage(dimg, dukeX, dukeY, null);
g2.setPaint(texture);
g2.fillRect(w2, 0, w2, h2);
g2.setPaint(gradient);
g2.fillRect(0, h2, w2, h2);
g2.setColor(LIGHT_GRAY);
g2.fillRect(w2, h2, w2, h2);
g2.setColor(RED);
g2.drawOval(w2, h2, w2-1, h2-1);
g2.setFont(font);
g2.drawString("CLIPPING", strX, strY);
} else {
g2.setColor(LIGHT_GRAY);
g2.fillRect(0, 0, w, h);
}
}
public static void main(String argv[]) {
createDemoFrame(new ClipAnim());
}
public class AnimVal {
double ix = 5.0;
double iy = 3.0;
double iw = 5.0;
double ih = 3.0;
double x, y;
double ew, eh; // ellipse width & height
boolean isSelected;
public AnimVal(boolean isSelected) {
this.isSelected = isSelected;
}
public void step(int w, int h) {
x += ix;
y += iy;
ew += iw;
eh += ih;
if ( ew > w/2) { ew = w/2; iw = random() * -w/16 - 1; }
if ( ew < w/8) { ew = w/8; iw = random() * w/16 + 1; }
if ( eh > h/2) { eh = h/2; ih = random() * -h/16 - 1; }
if ( eh < h/8) { eh = h/8; ih = random() * h/16 + 1; }
if ((x+ew) > w ) { x = (w - ew)-1; ix = random() * -w/32 - 1; }
if ((y+eh) > h ) { y = (h - eh)-2; iy = random() * -h/32 - 1; }
if ( x < 0 ) { x = 2; ix = random() * w/32 + 1; }
if ( y < 0 ) { y = 2; iy = random() * h/32 + 1; }
}
public void reset(int w, int h) {
x = random()*w;
y = random()*h;
ew = (random()*w)/2;
eh = (random()*h)/2;
}
}
static class DemoControls extends CustomControls implements ActionListener {
ClipAnim demo;
JToolBar toolbar;
public DemoControls(ClipAnim demo) {
super(demo.name);
this.demo = demo;
add(toolbar = new JToolBar());
toolbar.setFloatable(false);
addTool("Objects", true );
addTool("Clip1", true );
addTool("Clip2", false);
addTool("Clip3", false);
}
public void addTool(String str, boolean state) {
JToggleButton b =
(JToggleButton) toolbar.add(new JToggleButton(str));
b.setFocusPainted(false);
b.setSelected(state);
b.addActionListener(this);
int width = b.getPreferredSize().width;
Dimension prefSize = new Dimension(width, 21);
b.setPreferredSize(prefSize);
b.setMaximumSize(prefSize);
b.setMinimumSize(prefSize);
}
public void actionPerformed(ActionEvent e) {
JToggleButton b = (JToggleButton) e.getSource();
if (b.getText().equals("Objects")) {
demo.doObjects = b.isSelected();
} else if (b.getText().equals("Clip1")) {
demo.animval[0].isSelected = b.isSelected();
} else if (b.getText().equals("Clip2")) {
demo.animval[1].isSelected = b.isSelected();
} else if (b.getText().equals("Clip3")) {
demo.animval[2].isSelected = b.isSelected();
}
if (demo.animating.thread == null) {
demo.repaint();
}
}
public Dimension getPreferredSize() {
return new Dimension(200,40);
}
public void run() {
try {
thread.sleep(5000);
} catch (InterruptedException e) { return; }
((AbstractButton) toolbar.getComponentAtIndex(2)).doClick();
try {
thread.sleep(5000);
} catch (InterruptedException e) { return; }
if (getSize().width > 400) {
((AbstractButton) toolbar.getComponentAtIndex(3)).doClick();
}
thread = null;
}
} // End DemoControls
} // End ClipAnim
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