/* * @(#)FadeAnim.java 1.39 04/07/26 * * Copyright (c) 2004 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. */ /* * @(#)FadeAnim.java 1.35 03/01/23 */ package java2d.demos.Composite; import java.awt.*; import java.awt.geom.*; import java.awt.image.*; import java.awt.event.*; import java.util.Vector; import javax.swing.*; import javax.swing.event.*; import javax.swing.border.*; import java2d.AnimatingControlsSurface; import java2d.CustomControls; /** * Animation of compositing shapes, text and images fading in and out. */ public class FadeAnim extends AnimatingControlsSurface { private static TexturePaint texture; static { int w = 10; int h = 10; BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); Graphics2D gi = bi.createGraphics(); Color oc = Color.blue; Color ic = Color.green; gi.setPaint(new GradientPaint(0,0,oc,w*.35f,h*.35f,ic)); gi.fillRect(0, 0, w/2, h/2); gi.setPaint(new GradientPaint(w,0,oc,w*.65f,h*.35f,ic)); gi.fillRect(w/2, 0, w/2, h/2); gi.setPaint(new GradientPaint(0,h,oc,w*.35f,h*.65f,ic)); gi.fillRect(0, h/2, w/2, h/2); gi.setPaint(new GradientPaint(w,h,oc,w*.65f,h*.65f,ic)); gi.fillRect(w/2, h/2, w/2, h/2); texture = new TexturePaint(bi,new Rectangle(0,0,w,h)); } private static BasicStroke bs = new BasicStroke(6); private static Font fonts[] = { new Font("Times New Roman", Font.PLAIN, 64), new Font("serif", Font.BOLD + Font.ITALIC, 24), new Font("Courier", Font.BOLD, 36), new Font("Arial", Font.BOLD + Font.ITALIC, 48), new Font("Helvetica", Font.PLAIN, 52)}; private static String strings[] = { "Alpha", "Composite", "Src", "SrcOver", "SrcIn", "SrcOut", "Clear", "DstOver", "DstIn" }; private static String imgs[] = { "jumptojavastrip.png", "duke.gif", "star7.gif" }; private static Paint paints[] = { Color.red, Color.blue, Color.green, Color.magenta, Color.orange, Color.pink, Color.cyan, texture, Color.yellow, Color.lightGray, Color.white}; private Vector vector = new Vector(20); private int numShapes, numStrings, numImages; public FadeAnim() { setBackground(Color.black); setStrings(2); setImages(3); setShapes(8); setControls(new Component[] { new DemoControls(this) }); setConstraints(new String[] { BorderLayout.EAST }); } public void setImages(int num) { if (num < numImages) { Vector v = new Vector(vector.size()); for (int i = 0; i < vector.size(); i++) { if (((ObjectData) vector.get(i)).object instanceof Image) { v.addElement(vector.get(i)); } } vector.removeAll(v); v.setSize(num); vector.addAll(v); } else { Dimension d = getSize(); for (int i = numImages; i < num; i++) { Object obj = getImage(imgs[i % imgs.length]); if (imgs[i % imgs.length].equals("jumptojavastrip.png")) { int iw = ((Image) obj).getWidth(null); int ih = ((Image) obj).getHeight(null); BufferedImage bimg = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB); bimg.createGraphics().drawImage((Image) obj, 0, 0, null); obj = bimg; } ObjectData od = new ObjectData(obj, Color.black); od.reset(d.width, d.height); vector.addElement(od); } } numImages = num; } public void setStrings(int num) { if (num < numStrings) { Vector v = new Vector(vector.size()); for (int i = 0; i < vector.size(); i++) { if (((ObjectData) vector.get(i)).object instanceof TextData) { v.addElement(vector.get(i)); } } vector.removeAll(v); v.setSize(num); vector.addAll(v); } else { Dimension d = getSize(); for (int i = numStrings; i < num; i++) { int j = i % fonts.length; int k = i % strings.length; Object obj = new TextData(strings[k], fonts[j], this); ObjectData od = new ObjectData(obj, paints[i%paints.length]); od.reset(d.width, d.height); vector.addElement(od); } } numStrings = num; } public void setShapes(int num) { if (num < numShapes) { Vector v = new Vector(vector.size()); for (int i = 0; i < vector.size(); i++) { if (((ObjectData) vector.get(i)).object instanceof Shape) { v.addElement(vector.get(i)); } } vector.removeAll(v); v.setSize(num); vector.addAll(v); } else { Dimension d = getSize(); for (int i = numShapes; i < num; i++) { Object obj = null; switch (i % 7) { case 0 : obj = new GeneralPath(); break; case 1 : obj = new Rectangle2D.Double(); break; case 2 : obj = new Ellipse2D.Double(); break; case 3 : obj = new Arc2D.Double(); break; case 4 : obj = new RoundRectangle2D.Double(); break; case 5 : obj = new CubicCurve2D.Double(); break; case 6 : obj = new QuadCurve2D.Double(); break; } ObjectData od = new ObjectData(obj, paints[i%paints.length]); od.reset(d.width, d.height); vector.addElement(od); } } numShapes = num; } public void reset(int w, int h) { for (int i = 0; i < vector.size(); i++) { ((ObjectData) vector.get(i)).reset(w, h); } } public void step(int w, int h) { for (int i = 0; i < vector.size(); i++) { ((ObjectData) vector.get(i)).step(w, h); } } public void render(int w, int h, Graphics2D g2) { for (int i = 0; i < vector.size(); i++) { ObjectData od = (ObjectData) vector.get(i); AlphaComposite ac = AlphaComposite.getInstance( AlphaComposite.SRC_OVER, od.alpha); g2.setComposite(ac); g2.setPaint(od.paint); g2.translate(od.x, od.y); if (od.object instanceof Image) { g2.drawImage((Image) od.object, 0, 0, this); } else if (od.object instanceof TextData) { g2.setFont(((TextData) od.object).font); g2.drawString(((TextData) od.object).string, 0, 0); } else if (od.object instanceof QuadCurve2D || od.object instanceof CubicCurve2D) { g2.setStroke(bs); g2.draw((Shape) od.object); } else if (od.object instanceof Shape) { g2.fill((Shape) od.object); } g2.translate(-od.x, -od.y); } } public static void main(String argv[]) { createDemoFrame(new FadeAnim()); } static class TextData extends Object { public String string; public Font font; public int width, height; public TextData(String str, Font font, Component cmp) { string = str; this.font = font; FontMetrics fm = cmp.getFontMetrics(font); width = fm.stringWidth(str); height = fm.getHeight(); } } static class ObjectData extends Object { final int UP = 0; final int DOWN = 1; Object object; BufferedImage bimg; Paint paint; double x, y; float alpha; int alphaDirection; int imgX; public ObjectData(Object object, Paint paint) { this.object = object; this.paint = paint; if (object instanceof BufferedImage) { bimg = (BufferedImage) object; this.object = bimg.getSubimage(0, 0, 80, 80); } getRandomXY(300, 250); alpha = (float) Math.random(); alphaDirection = Math.random() > 0.5 ? UP : DOWN; } private void getRandomXY(int w, int h) { if (object instanceof TextData) { x = Math.random() * (w - ((TextData) object).width); y = Math.random() * h; y = y < ((TextData) object).height ? ((TextData) object).height : y; } else if (object instanceof Image) { x = Math.random() * (w - ((Image) object).getWidth(null)); y = Math.random() * (h - ((Image) object).getHeight(null)); } else if (object instanceof Shape) { Rectangle bounds = ((Shape) object).getBounds(); x = Math.random() * (w - bounds.width); y = Math.random() * (h - bounds.height); } } public void reset(int w, int h) { getRandomXY(w, h); double ww = 20 + Math.random()*((w == 0 ? 400 : w)/4); double hh = 20 + Math.random()*((h == 0 ? 300 : h)/4); if (object instanceof Ellipse2D) { ((Ellipse2D) object).setFrame(0, 0, ww, hh); } else if (object instanceof Rectangle2D) { ((Rectangle2D) object).setRect(0, 0, ww, ww); } else if (object instanceof RoundRectangle2D) { ((RoundRectangle2D) object).setRoundRect(0, 0, hh, hh, 20, 20); } else if (object instanceof Arc2D) { ((Arc2D) object).setArc(0, 0, hh, hh, 45, 270, Arc2D.PIE); } else if (object instanceof QuadCurve2D) { ((QuadCurve2D) object).setCurve(0, 0, w*.2, h*.4, w*.4, 0); } else if (object instanceof CubicCurve2D) { ((CubicCurve2D) object).setCurve(0,0,30,-60,60,60,90,0); } else if (object instanceof GeneralPath) { GeneralPath p = new GeneralPath(); float size = (float) ww; p.moveTo(- size / 2.0f, - size / 8.0f); p.lineTo(+ size / 2.0f, - size / 8.0f); p.lineTo(- size / 4.0f, + size / 2.0f); p.lineTo(+ 0.0f, - size / 2.0f); p.lineTo(+ size / 4.0f, + size / 2.0f); p.closePath(); object = p; } } public void step(int w, int h) { if (object instanceof BufferedImage) { if ((imgX += 80) == 800) { imgX = 0; } object = bimg.getSubimage(imgX, 0, 80, 80); } if (alphaDirection == UP) { if ((alpha += 0.05) > .99) { alphaDirection = DOWN; alpha = 1.0f; } } else if (alphaDirection == DOWN) { if ((alpha -= .05) < 0.01) { alphaDirection = UP; alpha = 0; getRandomXY(w, h); } } } } static class DemoControls extends CustomControls implements ChangeListener { FadeAnim demo; JSlider shapeSlider, stringSlider, imageSlider; Font font = new Font("serif", Font.BOLD, 10); public DemoControls(FadeAnim demo) { super(demo.name); this.demo = demo; setLayout(new BoxLayout(this, BoxLayout.Y_AXIS)); add(Box.createVerticalStrut(5)); JToolBar toolbar = new JToolBar(JToolBar.VERTICAL); toolbar.setFloatable(false); shapeSlider = new JSlider(JSlider.HORIZONTAL,0,20,demo.numShapes); shapeSlider.addChangeListener(this); TitledBorder tb = new TitledBorder(new EtchedBorder()); tb.setTitleFont(font); tb.setTitle(String.valueOf(demo.numShapes) + " Shapes"); shapeSlider.setBorder(tb); shapeSlider.setPreferredSize(new Dimension(80,45)); shapeSlider.setOpaque(true); toolbar.addSeparator(); toolbar.add(shapeSlider); toolbar.addSeparator(); stringSlider = new JSlider(JSlider.HORIZONTAL,0,10,demo.numStrings); stringSlider.addChangeListener(this); tb = new TitledBorder(new EtchedBorder()); tb.setTitleFont(font); tb.setTitle(String.valueOf(demo.numStrings) + " Strings"); stringSlider.setBorder(tb); stringSlider.setPreferredSize(new Dimension(80,45)); stringSlider.setOpaque(true); toolbar.add(stringSlider); toolbar.addSeparator(); imageSlider = new JSlider(JSlider.HORIZONTAL,0,10,demo.numImages); imageSlider.addChangeListener(this); tb = new TitledBorder(new EtchedBorder()); tb.setTitleFont(font); tb.setTitle(String.valueOf(demo.numImages) + " Images"); imageSlider.setBorder(tb); imageSlider.setPreferredSize(new Dimension(80,45)); imageSlider.setOpaque(true); toolbar.add(imageSlider); toolbar.addSeparator(); add(toolbar); } public void stateChanged(ChangeEvent e) { JSlider slider = (JSlider) e.getSource(); int value = slider.getValue(); TitledBorder tb = (TitledBorder) slider.getBorder(); if (slider.equals(shapeSlider)) { tb.setTitle(String.valueOf(value) + " Shapes"); demo.setShapes(value); } else if (slider.equals(stringSlider)) { tb.setTitle(String.valueOf(value) + " Strings"); demo.setStrings(value); } else if (slider.equals(imageSlider)) { tb.setTitle(String.valueOf(value) + " Images"); demo.setImages(value); } slider.repaint(); if (demo.animating.thread == null) { demo.repaint(); } } public Dimension getPreferredSize() { return new Dimension(80,0); } public void run() { try { thread.sleep(999); } catch (InterruptedException e) { return; } shapeSlider.setValue((int) (Math.random() * 5)); stringSlider.setValue(10); thread = null; } } // End DemoControls } // End FadeAnim