/*
* @(#)ClipAnim.java 1.17 99/09/07
*
* Copyright (c) 1998, 1999 by Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* 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 AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE 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 SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
package demos.Clipping;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.BufferedImage;
import javax.swing.*;
import AnimatingControlsSurface;
import CustomControls;
/**
* 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(Color.yellow);
big.clearRect(0,0,5,5);
big.setColor(Color.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(Color.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 (int i = 0; i < animval.length; i++) {
animval[i].reset(w, h);
}
gradient = new GradientPaint(0,h/2,Color.red,w*.4f,h*.9f,Color.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 (int i = 0; i < animval.length; i++) {
if (animval[i].isSelected) {
animval[i].step(w, h);
}
}
}
public void render(int w, int h, Graphics2D g2) {
GeneralPath p1 = new GeneralPath();
GeneralPath p2 = new GeneralPath();
for (int i = 0; i < animval.length; i++) {
if (animval[i].isSelected) {
double x = animval[i].x; double y = animval[i].y;
double ew = animval[i].ew; double eh = animval[i].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(Color.lightGray);
g2.fillRect(w2, h2, w2, h2);
g2.setColor(Color.red);
g2.drawOval(w2, h2, w2-1, h2-1);
g2.setFont(font);
g2.drawString("CLIPPING", strX, strY);
} else {
g2.setColor(Color.lightGray);
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 = Math.random() * -w/16 - 1;
}
if (ew < w/8) {
ew = w/8;
iw = Math.random() * w/16 + 1;
}
if (eh > h/2) {
eh = h/2;
ih = Math.random() * -h/16 - 1;
}
if (eh < h/8) {
eh = h/8;
ih = Math.random() * h/16 + 1;
}
if ((x+ew) > w) {
x = (w - ew)-1;
ix = Math.random() * -w/32 - 1;
}
if (x < 0) {
x = 2;
ix = Math.random() * w/32 + 1;
}
if ((y+eh) > h) {
y = (h - eh)-2;
iy = Math.random() * -h/32 - 1;
}
if (y < 0) {
y = 2;
iy = Math.random() * h/32 + 1;
}
}
public void reset(int w, int h) {
x = Math.random()*w;
y = Math.random()*h;
ew = (Math.random()*w)/2;
eh = (Math.random()*h)/2;
}
}
static class DemoControls extends CustomControls implements ActionListener {
ClipAnim demo;
JToolBar toolbar;
public DemoControls(ClipAnim demo) {
super(demo.name);
this.demo = demo;
setBackground(Color.gray);
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) {
JButton b = (JButton) toolbar.add(new JButton(str));
b.setBackground(state ? Color.green : Color.lightGray);
b.setSelected(state);
b.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
JButton b = (JButton) e.getSource();
b.setSelected(!b.isSelected());
b.setBackground(b.isSelected() ? Color.green : Color.lightGray);
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(200,37);
}
public void run() {
try {
thread.sleep(5000);
} catch (InterruptedException e) { return; }
((JButton) toolbar.getComponentAtIndex(2)).doClick();
try {
thread.sleep(5000);
} catch (InterruptedException e) { return; }
if (getSize().width > 400) {
((JButton) toolbar.getComponentAtIndex(3)).doClick();
}
thread = null;
}
} // End DemoControls
} // End ClipAnim
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