/* * @(#)ClipAnim.java 1.32 10/03/23 * * Copyright (c) 2006, Oracle and/or its affiliates. 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 Oracle 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 MICROSYSTEMS, 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 1.32 10/03/23 */ 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