home *** CD-ROM | disk | FTP | other *** search
Java Source | 2002-09-06 | 9.5 KB | 296 lines |
- /*
- * Copyright (c) 2002 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:
- *
- * -Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * -Redistribution in binary form must reproduct 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 AND ITS LICENSORS SHALL NOT
- * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
- * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF 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.
- *
- * You acknowledge that Software is not designed, licensed or intended for
- * use in the design, construction, operation or maintenance of any nuclear
- * facility.
- */
-
- /*
- * @(#)ClipAnim.java 1.21 02/06/13
- */
-
- 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;
-
-
- /**
- * 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
-