JDK14/Java14源码在线阅读

/*
 *
 * Copyright (c) 2007, 2018, 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:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions 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 nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package java2d;


import static java.awt.Color.BLACK;
import static java.awt.Color.GRAY;
import static java.awt.Color.RED;
import static java.awt.Color.WHITE;
import static java.awt.Color.YELLOW;
import java.awt.AlphaComposite;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Paint;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.TexturePaint;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.awt.geom.Arc2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.FlatteningPathIterator;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.PathIterator;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSlider;
import javax.swing.JTable;
import javax.swing.border.BevelBorder;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.TableModelEvent;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;


/**
 * Introduction to the J2Ddemo.
 *
 * @author Brian Lichtenwalter
 * @author Alexander Kouznetsov
 */
@SuppressWarnings("serial")
public class Intro extends JPanel {

    private static final Color myBlack = new Color(20, 20, 20);
    private static final Color myWhite = new Color(240, 240, 255);
    private static final Color myRed = new Color(149, 43, 42);
    private static final Color myBlue = new Color(94, 105, 176);
    private static final Color myYellow = new Color(255, 255, 140);
    private ScenesTable scenesTable;
    private boolean doTable;
    private final Surface surface;

    public Intro() {
        EmptyBorder eb = new EmptyBorder(80, 110, 80, 110);
        BevelBorder bb = new BevelBorder(BevelBorder.LOWERED);
        setBorder(new CompoundBorder(eb, bb));
        setLayout(new BorderLayout());
        setBackground(GRAY);
        setToolTipText("click for scene table");
        add(surface = new Surface());
        addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {
                removeAll();
                if ((doTable = !doTable)) {
                    setToolTipText("click for animation");
                    surface.stop();
                    if (scenesTable == null) {
                        scenesTable = new ScenesTable(Intro.this);
                    }
                    add(scenesTable);
                } else {
                    setToolTipText("click for scene table");
                    surface.start();
                    add(surface);
                }
                revalidate();
                repaint();
            }
        });
    }

    public void start() {
        if (!doTable) {
            surface.start();
        }
    }

    public void stop() {
        if (!doTable) {
            surface.stop();
        }
    }

    public static void main(String[] argv) {
        final Intro intro = new Intro();
        WindowListener l = new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }

            @Override
            public void windowDeiconified(WindowEvent e) {
                intro.start();
            }

            @Override
            public void windowIconified(WindowEvent e) {
                intro.stop();
            }
        };
        JFrame f = new JFrame("Java2D(TM) Demo - Intro");
        f.addWindowListener(l);
        f.getContentPane().add("Center", intro);
        f.pack();
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        int w = 720;
        int h = 510;
        f.setLocation(screenSize.width / 2 - w / 2, screenSize.height / 2 - h
                / 2);
        f.setSize(w, h);
        f.setVisible(true);
        intro.start();
    }


    /**
     * ScenesTable is the list of scenes known to the Director.
     * Scene participation, scene name and scene pause amount columns.
     * Global animation delay for scene's steps.
     */
    static class ScenesTable extends JPanel implements ActionListener,
            ChangeListener {
        private final Intro intro;
        private JTable table;
        private TableModel dataModel;

        @SuppressWarnings("LeakingThisInConstructor")
        public ScenesTable(final Intro intro) {
            this.intro = intro;

            setBackground(WHITE);
            setLayout(new BorderLayout());
            final String[] names = { "", "Scenes", "Pause" };

            dataModel = new AbstractTableModel() {

                @Override
                public int getColumnCount() {
                    return names.length;
                }

                @Override
                public int getRowCount() {
                    return intro.surface.director.size();
                }

                @Override
                public Object getValueAt(int row, int col) {
                    Surface.Scene scene = intro.surface.director.get(row);
                    if (col == 0) {
                        return scene.participate;
                    } else if (col == 1) {
                        return scene.name;
                    } else {
                        return scene.pauseAmt;
                    }
                }

                @Override
                public String getColumnName(int col) {
                    return names[col];
                }

                @Override
                public Class<?> getColumnClass(int c) {
                    return getValueAt(0, c).getClass();
                }

                @Override
                public boolean isCellEditable(int row, int col) {
                    return col != 1 ? true : false;
                }

                @Override
                public void setValueAt(Object aValue, int row, int col) {
                    Surface.Scene scene = intro.surface.director.get(row);
                    if (col == 0) {
                        scene.participate = aValue;
                    } else if (col == 1) {
                        scene.name = aValue;
                    } else {
                        scene.pauseAmt = aValue;
                    }
                }
            };

            table = new JTable(dataModel);
            TableColumn col = table.getColumn("");
            col.setWidth(16);
            col.setMinWidth(16);
            col.setMaxWidth(20);
            col = table.getColumn("Pause");
            col.setWidth(60);
            col.setMinWidth(60);
            col.setMaxWidth(60);
            table.sizeColumnsToFit(0);

            JScrollPane scrollpane = new JScrollPane(table);
            add(scrollpane);

            JPanel panel = new JPanel(new BorderLayout());
            JButton b = new JButton("Unselect All");
            b.setHorizontalAlignment(JButton.LEFT);
            Font font = new Font(Font.SERIF, Font.PLAIN, 10);
            b.setFont(font);
            b.addActionListener(this);
            panel.add("West", b);

            JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 200,
                    (int) intro.surface.sleepAmt);
            slider.addChangeListener(this);
            TitledBorder tb = new TitledBorder(new EtchedBorder());
            tb.setTitleFont(font);
            tb.setTitle("Anim delay = " + String.valueOf(intro.surface.sleepAmt)
                    + " ms");
            slider.setBorder(tb);
            slider.setPreferredSize(new Dimension(140, 40));
            slider.setMinimumSize(new Dimension(100, 40));
            slider.setMaximumSize(new Dimension(180, 40));
            panel.add("East", slider);

            add("South", panel);
        }

        @Override
        public void actionPerformed(ActionEvent e) {
            JButton b = (JButton) e.getSource();
            b.setSelected(!b.isSelected());
            b.setText(b.isSelected() ? "Select All" : "Unselect All");
            for (int i = 0; i < intro.surface.director.size(); i++) {
                Surface.Scene scene = intro.surface.director.get(i);
                scene.participate = Boolean.valueOf(!b.isSelected());
            }
            table.tableChanged(new TableModelEvent(dataModel));
        }

        @Override
        public void stateChanged(ChangeEvent e) {
            JSlider slider = (JSlider) e.getSource();
            int value = slider.getValue();
            TitledBorder tb = (TitledBorder) slider.getBorder();
            tb.setTitle("Anim delay = " + String.valueOf(value) + " ms");
            intro.surface.sleepAmt = (long) value;
            slider.repaint();
        }
    }  // End ScenesTable class


    /**
     * Surface is the stage where the Director plays its scenes.
     */
    static class Surface extends JPanel implements Runnable {

        private final Image dukeanim, duke;
        private BufferedImage bimg;
        public Director director;
        public int index;
        public long sleepAmt = 30;
        private Thread thread;

        @SuppressWarnings("LeakingThisInConstructor")
        public Surface() {
            setBackground(myBlack);
            setLayout(new BorderLayout());
            addMouseListener(new MouseAdapter() {

                @Override
                public void mouseClicked(MouseEvent e) {
                    if (thread == null) {
                        start();
                    } else {
                        stop();
                    }
                }
            });
            dukeanim = DemoImages.getImage("duke.running.gif", this);
            duke = DemoImages.getImage("duke.png", this);
            director = new Director(this);
        }

        public FontMetrics getMetrics(Font font) {
            return getFontMetrics(font);
        }

        @Override
        public void paint(Graphics g) {
            Dimension d = getSize();
            if (d.width <= 0 || d.height <= 0) {
                return;
            }
            if (bimg == null || bimg.getWidth() != d.width || bimg.getHeight()
                    != d.height) {
                bimg = getGraphicsConfiguration().createCompatibleImage(d.width,
                        d.height);
                // reset future scenes
                for (int i = index + 1; i < director.size(); i++) {
                    (director.get(i)).reset(d.width, d.height);
                }
            }

            Scene scene = director.get(index);
            if (scene.index <= scene.length) {
                if (thread != null) {
                    scene.step(d.width, d.height);
                }

                Graphics2D g2 = bimg.createGraphics();
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                        RenderingHints.VALUE_ANTIALIAS_ON);
                g2.setBackground(getBackground());
                g2.clearRect(0, 0, d.width, d.height);

                scene.render(d.width, d.height, g2);

                if (thread != null) {
                    // increment scene.index after scene.render
                    scene.index++;
                }
                g2.dispose();
            }
            g.drawImage(bimg, 0, 0, this);
        }

        public void start() {
            if (thread == null) {
                thread = new Thread(this);
                thread.setPriority(Thread.MIN_PRIORITY);
                thread.setName("Intro");
                thread.start();
            }
        }

        public synchronized void stop() {
            if (thread != null) {
                thread.interrupt();
            }
            thread = null;
            notifyAll();
        }

        public void reset() {
            index = 0;
            Dimension d = getSize();
            for (Scene scene : director) {
                scene.reset(d.width, d.height);
            }
        }

        @Override
        @SuppressWarnings("SleepWhileHoldingLock")
        public void run() {

            Thread me = Thread.currentThread();

            while (thread == me && !isShowing() || getSize().width <= 0) {
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    return;
                }
            }

            if (index == 0) {
                reset();
            }

            while (thread == me) {
                Scene scene = director.get(index);
                if (((Boolean) scene.participate).booleanValue()) {
                    repaint();
                    try {
                        Thread.sleep(sleepAmt);
                    } catch (InterruptedException e) {
                        break;
                    }
                    if (scene.index > scene.length) {
                        scene.pause();
                        if (++index >= director.size()) {
                            reset();
                        }
                    }
                } else {
                    if (++index >= director.size()) {
                        reset();
                    }
                }
            }
            thread = null;
        }


        /**
         * Part is a piece of the scene.  Classes must implement Part
         * in order to participate in a scene.
         */
        interface Part {

            public void reset(int newwidth, int newheight);

            public void step(int w, int h);

            public void render(int w, int h, Graphics2D g2);

            public int getBegin();

            public int getEnd();
        }


        /**
         * Director is the holder of the scenes, their names & pause amounts
         * between scenes.
         */
        static class Director extends ArrayList<Scene> {

            GradientPaint gp = new GradientPaint(0, 40, myBlue, 38, 2, myBlack);
            Font f1 = new Font(Font.SERIF, Font.PLAIN, 200);
            Font f2 = new Font(Font.SERIF, Font.PLAIN, 120);
            Font f3 = new Font(Font.SERIF, Font.PLAIN, 72);

            public Director(Surface surf) {
                Object[][][] partsInfo = {
                { { "J  -  scale text on gradient", "0" },
                    { new GpE(GpE.BURI, myBlack, myBlue, 0, 20),
                        new TxE("J", f1, TxE.SCI, myYellow, 2, 20) } },
                { { "2  -  scale & rotate text on gradient", "0" },
                    { new GpE(GpE.BURI, myBlue, myBlack, 0, 22),
                        new TxE("2", f1, TxE.RI | TxE.SCI, myYellow, 2, 22) } },
                { { "D  -  scale text on gradient", "0" },
                    { new GpE(GpE.BURI, myBlack, myBlue, 0, 20),
                        new TxE("D", f1, TxE.SCI, myYellow, 2, 20) } },
                { { "J2D demo  -  scale & rotate text on gradient", "1000" },
                    { new GpE(GpE.SIH, myBlue, myBlack, 0, 40),
                        new TxE("J2D demo", f2, TxE.RI | TxE.SCI, myYellow, 0, 40) } },
                { { "Previous scene dither dissolve out", "0" },
                    { new DdE(0, 20, 1, surf) } },
                { { "Graphics Features", "999" },
                    { new Temp(Temp.RECT, null, 0, 15),
                        new Temp(Temp.IMG, surf.duke, 2, 15),
                        new Temp(Temp.RNA | Temp.INA, surf.duke, 16, 130),
                        new Features(Features.GRAPHICS, 16, 130, surf) } },
                { { "J2D demo  -  texture text on gradient", "1000" },
                    { new GpE(GpE.WI, myBlue, myBlack, 0, 20),
                        new GpE(GpE.WD, myBlue, myBlack, 21, 40),
                        new TpE(TpE.OI | TpE.NF, myBlack, myYellow, 4, 0, 10),
                        new TpE(TpE.OD | TpE.NF, myBlack, myYellow, 4, 11, 20),
                        new TpE(TpE.OI | TpE.NF | TpE.HAF, myBlack, myYellow, 5,
                        21, 40),
                        new TxE("J2D demo", f2, 0, null, 0, 40) } },
                { { "Previous scene random close out", "0" },
                    { new CoE(CoE.RAND, 0, 20, surf) } },
                { { "Text Features", "999" },
                    { new Temp(Temp.RECT, null, 0, 15),
                        new Temp(Temp.IMG, surf.duke, 2, 15),
                        new Temp(Temp.RNA | Temp.INA, surf.duke, 16, 130),
                        new Features(Features.TEXT, 16, 130, surf) } },
                { { "J2D demo  -  composite text on texture", "1000" },
                    { new TpE(TpE.RI, myBlack, gp, 40, 0, 20),
                        new TpE(TpE.RD, myBlack, gp, 40, 21, 40),
                        new TpE(TpE.RI, myBlack, gp, 40, 41, 60),
                        new TxE("J2D demo", f2, TxE.AC, myYellow, 0, 60) } },
                { { "Previous scene dither dissolve out", "0" },
                    { new DdE(0, 20, 4, surf) } },
                { { "Imaging Features", "999" },
                    { new Temp(Temp.RECT, null, 0, 15),
                        new Temp(Temp.IMG, surf.duke, 2, 15),
                        new Temp(Temp.RNA | Temp.INA, surf.duke, 16, 130),
                        new Features(Features.IMAGES, 16, 130, surf) } },
                { { "J2D demo  -  text on gradient", "1000" },
                    { new GpE(GpE.SDH, myBlue, myBlack, 0, 20),
                        new GpE(GpE.SIH, myBlue, myBlack, 21, 40),
                        new GpE(GpE.SDH, myBlue, myBlack, 41, 50),
                        new GpE(GpE.INC | GpE.NF, myRed, myYellow, 0, 50),
                        new TxE("J2D demo", f2, TxE.NOP, null, 0, 50) } },
                { { "Previous scene ellipse close out", "0" },
                    { new CoE(CoE.OVAL, 0, 20, surf) } },
                { { "Color Features", "999" },
                    { new Temp(Temp.RECT, null, 0, 15),
                        new Temp(Temp.IMG, surf.duke, 2, 15),
                        new Temp(Temp.RNA | Temp.INA, surf.duke, 16, 99),
                        new Features(Features.COLOR, 16, 99, surf) } },
                { { "J2D demo  -  composite and rotate text on paints", "2000" },
                    { new GpE(GpE.BURI, myBlack, myBlue, 0, 20),
                        new GpE(GpE.BURD, myBlack, myBlue, 21, 30),
                        new TpE(TpE.OI | TpE.HAF, myBlack, myBlue, 10, 31, 40),
                        new TxE("J2D demo", f2, TxE.AC | TxE.RI, myYellow, 0, 40) } },
                { { "Previous scene subimage transform out", "0" },
                    { new SiE(60, 60, 0, 40, surf) } },
                { { "CREDITS  -  transform in", "1000" },
                    { new LnE(LnE.ACI | LnE.ZOOMI | LnE.RI, 0, 60),
                        new TxE("CREDITS", f3, TxE.AC | TxE.SCI, RED, 20, 30),
                        new TxE("CREDITS", f3, TxE.SCXD, RED, 31, 38),
                        new TxE("CREDITS", f3, TxE.SCXI, RED, 39, 48),
                        new TxE("CREDITS", f3, TxE.SCXD, RED, 49, 54),
                        new TxE("CREDITS", f3, TxE.SCXI, RED, 55, 60) } },
                { { "CREDITS  -  transform out", "0" },
                    { new LnE(LnE.ACD | LnE.ZOOMD | LnE.RD, 0, 45),
                        new TxE("CREDITS", f3, 0, RED, 0, 9),
                        new TxE("CREDITS", f3, TxE.SCD | TxE.RD, RED, 10, 30) } },
                { { "Contributors", "1000" },
                    { new Temp(Temp.RECT, null, 0, 30),
                        new Temp(Temp.IMG, surf.dukeanim, 4, 30),
                        new Temp(Temp.RNA | Temp.INA, surf.dukeanim, 31, 200),
                        new Contributors(34, 200, surf) } }, };

                for (Object[][] partInfo : partsInfo) {
                    List<Part> parts = new ArrayList<Part>();
                    for (Object part : partInfo[1]) {
                        parts.add((Part) part);
                    }
                    add(new Scene(parts, partInfo[0][0], partInfo[0][1]));
                }
            }
        }


        /**
         * Scene is the manager of the parts.
         */
        static class Scene extends Object {

            public Object name;
            public Object participate = Boolean.TRUE;
            public Object pauseAmt;
            public List<Part> parts;
            public int index;
            public int length;

            public Scene(List<Part> parts, Object name, Object pauseAmt) {
                this.name = name;
                this.parts = parts;
                this.pauseAmt = pauseAmt;
                for (Part part : parts) {
                    int partLength = part.getEnd();
                    if (partLength > length) {
                        length = partLength;
                    }
                }
            }

            public void reset(int w, int h) {
                index = 0;
                for (int i = 0; i < parts.size(); i++) {
                    (parts.get(i)).reset(w, h);
                }
            }

            public void step(int w, int h) {
                for (int i = 0; i < parts.size(); i++) {
                    Part part = parts.get(i);
                    if (index >= part.getBegin() && index <= part.getEnd()) {
                        part.step(w, h);
                    }
                }
            }

            public void render(int w, int h, Graphics2D g2) {
                for (int i = 0; i < parts.size(); i++) {
                    Part part = parts.get(i);
                    if (index >= part.getBegin() && index <= part.getEnd()) {
                        part.render(w, h, g2);
                    }
                }
            }

            public void pause() {
                try {
                    Thread.sleep(Long.parseLong((String) pauseAmt));
                } catch (Exception ignored) {
                }
                System.gc();
            }
        } // End Scene class


        /**
         * Text Effect.  Transformation of characters.  Clip or fill.
         */
        static final class TxE implements Part {

            static final int INC = 1;
            static final int DEC = 2;
            static final int R = 4;            // rotate
            static final int RI = R | INC;
            static final int RD = R | DEC;
            static final int SC = 8;            // scale
            static final int SCI = SC | INC;
            static final int SCD = SC | DEC;
            static final int SCX = 16;           // scale invert x
            static final int SCXI = SCX | SC | INC;
            static final int SCXD = SCX | SC | DEC;
            static final int SCY = 32;           // scale invert y
            static final int SCYI = SCY | SC | INC;
            static final int SCYD = SCY | SC | DEC;
            static final int AC = 64;           // AlphaComposite
            static final int CLIP = 128;          // Clipping
            static final int NOP = 512;          // No Paint
            private int beginning, ending;
            private int type;
            private double rIncr, sIncr;
            private double sx, sy, rotate;
            private Shape[] shapes, txShapes;
            private int sw;
            private int numRev;
            private Paint paint;

            public TxE(String text,
                    Font font,
                    int type,
                    Paint paint,
                    int beg,
                    int end) {
                this.type = type;
                this.paint = paint;
                this.beginning = beg;
                this.ending = end;

                setIncrements(2);

                char[] chars = text.toCharArray();
                shapes = new Shape[chars.length];
                txShapes = new Shape[chars.length];
                FontRenderContext frc = new FontRenderContext(null, true, true);
                TextLayout tl = new TextLayout(text, font, frc);
                sw = (int) tl.getOutline(null).getBounds().getWidth();
                for (int j = 0; j < chars.length; j++) {
                    String s = String.valueOf(chars[j]);
                    shapes[j] = new TextLayout(s, font, frc).getOutline(null);
                }
            }

            public void setIncrements(double numRevolutions) {
                this.numRev = (int) numRevolutions;
                rIncr = 360.0 / ((ending - beginning) / numRevolutions);
                sIncr = 1.0 / (ending - beginning);
                if ((type & SCX) != 0 || (type & SCY) != 0) {
                    sIncr *= 2;
                }
                if ((type & DEC) != 0) {
                    rIncr = -rIncr;
                    sIncr = -sIncr;
                }
            }

            @Override
            public void reset(int w, int h) {
                if (type == SCXI) {
                    sx = -1.0;
                    sy = 1.0;
                } else if (type == SCYI) {
                    sx = 1.0;
                    sy = -1.0;
                } else {
                    sx = sy = (type & DEC) != 0 ? 1.0 : 0.0;
                }
                rotate = 0;
            }

            @Override
            public void step(int w, int h) {

                float charWidth = w / 2 - sw / 2;

                for (int i = 0; i < shapes.length; i++) {
                    AffineTransform at = new AffineTransform();
                    Rectangle2D maxBounds = shapes[i].getBounds();
                    at.translate(charWidth, h / 2 + maxBounds.getHeight() / 2);
                    charWidth += (float) maxBounds.getWidth() + 1;
                    Shape shape = at.createTransformedShape(shapes[i]);
                    Rectangle2D b1 = shape.getBounds2D();

                    if ((type & R) != 0) {
                        at.rotate(Math.toRadians(rotate));
                    }
                    if ((type & SC) != 0) {
                        at.scale(sx, sy);
                    }
                    shape = at.createTransformedShape(shapes[i]);
                    Rectangle2D b2 = shape.getBounds2D();

                    double xx = (b1.getX() + b1.getWidth() / 2)
                            - (b2.getX() + b2.getWidth() / 2);
                    double yy = (b1.getY() + b1.getHeight() / 2)
                            - (b2.getY() + b2.getHeight() / 2);
                    AffineTransform toCenterAT = new AffineTransform();
                    toCenterAT.translate(xx, yy);
                    toCenterAT.concatenate(at);
                    txShapes[i] = toCenterAT.createTransformedShape(shapes[i]);
                }
                // avoid over rotation
                if (Math.abs(rotate) <= numRev * 360) {
                    rotate += rIncr;
                    if ((type & SCX) != 0) {
                        sx += sIncr;
                    } else if ((type & SCY) != 0) {
                        sy += sIncr;
                    } else {
                        sx += sIncr;
                        sy += sIncr;
                    }
                }
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                Composite saveAC = null;
                if ((type & AC) != 0 && sx > 0 && sx < 1) {
                    saveAC = g2.getComposite();
                    g2.setComposite(AlphaComposite.getInstance(
                            AlphaComposite.SRC_OVER, (float) sx));
                }
                GeneralPath path = null;
                if ((type & CLIP) != 0) {
                    path = new GeneralPath();
                }
                if (paint != null) {
                    g2.setPaint(paint);
                }
                for (int i = 0; i < txShapes.length; i++) {
                    if ((type & CLIP) != 0) {
                        path.append(txShapes[i], false);
                    } else {
                        g2.fill(txShapes[i]);
                    }
                }
                if ((type & CLIP) != 0) {
                    g2.clip(path);
                }
                if (saveAC != null) {
                    g2.setComposite(saveAC);
                }
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End TxE class


        /**
         * GradientPaint Effect.  Burst, split, horizontal and
         * vertical gradient fill effects.
         */
        static class GpE implements Part {

            static final int INC = 1;               // increasing
            static final int DEC = 2;               // decreasing
            static final int CNT = 4;               // center
            static final int WID = 8;               // width
            static final int WI = WID | INC;
            static final int WD = WID | DEC;
            static final int HEI = 16;              // height
            static final int HI = HEI | INC;
            static final int HD = HEI | DEC;
            static final int SPL = 32 | CNT;        // split
            static final int SIW = SPL | INC | WID;
            static final int SDW = SPL | DEC | WID;
            static final int SIH = SPL | INC | HEI;
            static final int SDH = SPL | DEC | HEI;
            static final int BUR = 64 | CNT;        // burst
            static final int BURI = BUR | INC;
            static final int BURD = BUR | DEC;
            static final int NF = 128;             // no fill
            private Color c1, c2;
            private int beginning, ending;
            private float incr, index;
            private List<Rectangle2D> rect = new ArrayList<Rectangle2D>();
            private List<GradientPaint> grad = new ArrayList<GradientPaint>();
            private int type;

            public GpE(int type, Color c1, Color c2, int beg, int end) {
                this.type = type;
                this.c1 = c1;
                this.c2 = c2;
                this.beginning = beg;
                this.ending = end;
            }

            @Override
            public void reset(int w, int h) {
                incr = 1.0f / (ending - beginning);
                if ((type & CNT) != 0) {
                    incr /= 2.3f;
                }
                if ((type & CNT) != 0 && (type & INC) != 0) {
                    index = 0.5f;
                } else if ((type & DEC) != 0) {
                    index = 1.0f;
                    incr = -incr;
                } else {
                    index = 0.0f;
                }
                index += incr;
            }

            @Override
            public void step(int w, int h) {
                rect.clear();
                grad.clear();

                if ((type & WID) != 0) {
                    float w2 = 0, x1 = 0, x2 = 0;
                    if ((type & SPL) != 0) {
                        w2 = w * 0.5f;
                        x1 = w * (1.0f - index);
                        x2 = w * index;
                    } else {
                        w2 = w * index;
                        x1 = x2 = w2;
                    }
                    rect.add(new Rectangle2D.Float(0, 0, w2, h));
                    rect.add(new Rectangle2D.Float(w2, 0, w - w2, h));
                    grad.add(new GradientPaint(0, 0, c1, x1, 0, c2));
                    grad.add(new GradientPaint(x2, 0, c2, w, 0, c1));
                } else if ((type & HEI) != 0) {
                    float h2 = 0, y1 = 0, y2 = 0;
                    if ((type & SPL) != 0) {
                        h2 = h * 0.5f;
                        y1 = h * (1.0f - index);
                        y2 = h * index;
                    } else {
                        h2 = h * index;
                        y1 = y2 = h2;
                    }
                    rect.add(new Rectangle2D.Float(0, 0, w, h2));
                    rect.add(new Rectangle2D.Float(0, h2, w, h - h2));
                    grad.add(new GradientPaint(0, 0, c1, 0, y1, c2));
                    grad.add(new GradientPaint(0, y2, c2, 0, h, c1));
                } else if ((type & BUR) != 0) {

                    float w2 = w / 2;
                    float h2 = h / 2;

                    rect.add(new Rectangle2D.Float(0, 0, w2, h2));
                    rect.add(new Rectangle2D.Float(w2, 0, w2, h2));
                    rect.add(new Rectangle2D.Float(0, h2, w2, h2));
                    rect.add(new Rectangle2D.Float(w2, h2, w2, h2));

                    float x1 = w * (1.0f - index);
                    float x2 = w * index;
                    float y1 = h * (1.0f - index);
                    float y2 = h * index;

                    grad.add(new GradientPaint(0, 0, c1, x1, y1, c2));
                    grad.add(new GradientPaint(w, 0, c1, x2, y1, c2));
                    grad.add(new GradientPaint(0, h, c1, x1, y2, c2));
                    grad.add(new GradientPaint(w, h, c1, x2, y2, c2));
                } else if ((type & NF) != 0) {
                    float y = h * index;
                    grad.add(new GradientPaint(0, 0, c1, 0, y, c2));
                }

                if ((type & INC) != 0 || (type & DEC) != 0) {
                    index += incr;
                }
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                        RenderingHints.VALUE_ANTIALIAS_OFF);
                for (int i = 0; i < grad.size(); i++) {
                    g2.setPaint(grad.get(i));
                    if ((type & NF) == 0) {
                        g2.fill(rect.get(i));
                    }
                }
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                        RenderingHints.VALUE_ANTIALIAS_ON);
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End GpE class


        /**
         * TexturePaint Effect.  Expand and collapse a texture.
         */
        static final class TpE implements Part {

            static final int INC = 1;             // increasing
            static final int DEC = 2;             // decreasing
            static final int OVAL = 4;             // oval
            static final int RECT = 8;             // rectangle
            static final int HAF = 16;             // half oval or rect size
            static final int NF = 32;             // no fill
            static final int OI = OVAL | INC;
            static final int OD = OVAL | DEC;
            static final int RI = RECT | INC;
            static final int RD = RECT | DEC;
            private Paint p1, p2;
            private int beginning, ending;
            private float incr, index;
            private TexturePaint texture;
            private int type;
            private int size;
            private BufferedImage bimg;
            private Rectangle rect;

            public TpE(int type, Paint p1, Paint p2, int size,
                    int beg, int end) {
                this.type = type;
                this.p1 = p1;
                this.p2 = p2;
                this.beginning = beg;
                this.ending = end;
                setTextureSize(size);
            }

            public void setTextureSize(int size) {
                this.size = size;
                bimg = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
                rect = new Rectangle(0, 0, size, size);
            }

            @Override
            public void reset(int w, int h) {
                incr = (float) (size) / (float) (ending - beginning);
                if ((type & HAF) != 0) {
                    incr /= 2;
                }
                if ((type & DEC) != 0) {
                    index = size;
                    if ((type & HAF) != 0) {
                        index /= 2;
                    }
                    incr = -incr;
                } else {
                    index = 0.0f;
                }
                index += incr;
            }

            @Override
            public void step(int w, int h) {
                Graphics2D g2 = bimg.createGraphics();
                g2.setPaint(p1);
                g2.fillRect(0, 0, size, size);
                g2.setPaint(p2);
                if ((type & OVAL) != 0) {
                    g2.fill(new Ellipse2D.Float(0, 0, index, index));
                } else if ((type & RECT) != 0) {
                    g2.fill(new Rectangle2D.Float(0, 0, index, index));
                }
                texture = new TexturePaint(bimg, rect);
                g2.dispose();
                index += incr;
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                g2.setPaint(texture);
                if ((type & NF) == 0) {
                    g2.fillRect(0, 0, w, h);
                }
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End TpE class


        /**
         * Close out effect.  Close out the buffered image with different
         * geometry shapes.
         */
        static class CoE implements Part {
            private final Surface surf;
            static final int WID = 1;
            static final int HEI = 2;
            static final int OVAL = 4;
            static final int RECT = 8;
            static final int RAND = 16;
            static final int ARC = 32;
            private int type;
            private int beginning, ending;
            private BufferedImage bimg;
            private Shape shape;
            private double zoom, extent;
            private double zIncr, eIncr;
            private boolean doRandom;

            public CoE(int type, int beg, int end, Surface surf) {
                this.type = type;
                this.beginning = beg;
                this.ending = end;
                this.surf = surf;
                zIncr = -(2.0 / (ending - beginning));
                eIncr = 360.0 / (ending - beginning);
                doRandom = (type & RAND) != 0;
            }

            @Override
            public void reset(int w, int h) {
                if (doRandom) {
                    int num = (int) (Math.random() * 5.0);
                    switch (num) {
                        case 0:
                            type = OVAL;
                            break;
                        case 1:
                            type = RECT;
                            break;
                        case 2:
                            type = RECT | WID;
                            break;
                        case 3:
                            type = RECT | HEI;
                            break;
                        case 4:
                            type = ARC;
                            break;
                        default:
                            type = OVAL;
                    }
                }
                shape = null;
                bimg = null;
                extent = 360.0;
                zoom = 2.0;
            }

            @Override
            public void step(int w, int h) {
                if (bimg == null) {
                    int biw = surf.bimg.getWidth();
                    int bih = surf.bimg.getHeight();
                    bimg = new BufferedImage(biw, bih,
                            BufferedImage.TYPE_INT_RGB);
                    Graphics2D big = bimg.createGraphics();
                    big.drawImage(surf.bimg, 0, 0, null);
                }
                double z = Math.min(w, h) * zoom;
                if ((type & OVAL) != 0) {
                    shape = new Ellipse2D.Double(w / 2 - z / 2, h / 2 - z / 2, z,
                            z);
                } else if ((type & ARC) != 0) {
                    shape = new Arc2D.Double(-100, -100, w + 200, h + 200, 90,
                            extent, Arc2D.PIE);
                    extent -= eIncr;
                } else if ((type & RECT) != 0) {
                    if ((type & WID) != 0) {
                        shape = new Rectangle2D.Double(w / 2 - z / 2, 0, z, h);
                    } else if ((type & HEI) != 0) {
                        shape = new Rectangle2D.Double(0, h / 2 - z / 2, w, z);
                    } else {
                        shape = new Rectangle2D.Double(w / 2 - z / 2, h / 2 - z
                                / 2, z, z);
                    }
                }
                zoom += zIncr;
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                g2.clip(shape);
                g2.drawImage(bimg, 0, 0, null);
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End CoE class


        /**
         * Dither Dissolve Effect. For each successive step in the animation,
         * a pseudo-random starting horizontal position is chosen using list,
         * and then the corresponding points created from xlist and ylist are
         * blacked out for the current "chunk".  The x and y chunk starting
         * positions are each incremented by the associated chunk size, and
         * this process is repeated for the number of "steps" in the
         * animation, causing an equal number of pseudo-randomly picked
         * "blocks" to be blacked out during each step of the animation.
         */
        static class DdE implements Part {
            private final Surface surf;
            private int beginning, ending;
            private BufferedImage bimg;
            private Graphics2D big;
            private List<Integer> list, xlist, ylist;
            private int xeNum, yeNum;    // element number
            private int xcSize, ycSize;  // chunk size
            private int inc;
            private int blocksize;

            public DdE(int beg, int end, int blocksize, Surface surf) {
                this.beginning = beg;
                this.ending = end;
                this.blocksize = blocksize;
                this.surf = surf;
            }

            private void createShuffledLists() {
                int width = bimg.getWidth();
                int height = bimg.getHeight();
                xlist = new ArrayList<Integer>(width);
                ylist = new ArrayList<Integer>(height);
                list = new ArrayList<Integer>(ending - beginning + 1);
                for (int i = 0; i < width; i++) {
                    xlist.add(i, i);
                }
                for (int i = 0; i < height; i++) {
                    ylist.add(i, i);
                }
                for (int i = 0; i < (ending - beginning + 1); i++) {
                    list.add(i, i);
                }
                java.util.Collections.shuffle(xlist);
                java.util.Collections.shuffle(ylist);
                java.util.Collections.shuffle(list);
            }

            @Override
            public void reset(int w, int h) {
                bimg = null;
            }

            @Override
            public void step(int w, int h) {
                if (inc > ending) {
                    bimg = null;
                }
                if (bimg == null) {
                    int biw = surf.bimg.getWidth();
                    int bih = surf.bimg.getHeight();
                    bimg = new BufferedImage(biw, bih,
                            BufferedImage.TYPE_INT_RGB);
                    createShuffledLists();
                    big = bimg.createGraphics();
                    big.drawImage(surf.bimg, 0, 0, null);
                    xcSize = (xlist.size() / (ending - beginning)) + 1;
                    ycSize = (ylist.size() / (ending - beginning)) + 1;
                    xeNum = 0;
                    inc = 0;
                }
                xeNum = xcSize * (list.get(inc)).intValue();
                yeNum = -ycSize;
                inc++;
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                big.setColor(myBlack);

                for (int k = 0; k <= (ending - beginning); k++) {
                    if ((xeNum + xcSize) > xlist.size()) {
                        xeNum = 0;
                    } else {
                        xeNum += xcSize;
                    }
                    yeNum += ycSize;

                    for (int i = xeNum; i < xeNum + xcSize && i < xlist.size();
                            i++) {
                        for (int j = yeNum; j < yeNum + ycSize && j
                                < ylist.size(); j++) {
                            int xval = (xlist.get(i)).intValue();
                            int yval = (ylist.get(j)).intValue();
                            if (((xval % blocksize) == 0) && ((yval % blocksize)
                                    == 0)) {
                                big.fillRect(xval, yval, blocksize, blocksize);
                            }
                        }
                    }
                }

                g2.drawImage(bimg, 0, 0, null);
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End DdE class


        /**
         * Subimage effect.  Subimage the scene's buffered
         * image then rotate and scale down the subimages.
         */
        static class SiE implements Part {
            private final Surface surf;
            private int beginning, ending;
            private BufferedImage bimg;
            private double rIncr, sIncr;
            private double scale, rotate;
            private int siw, sih;
            private List<BufferedImage> subs = new ArrayList<BufferedImage>(20);
            private List<Point> pts = new ArrayList<Point>(20);

            public SiE(int siw, int sih, int beg, int end, Surface surf) {
                this.siw = siw;
                this.sih = sih;
                this.beginning = beg;
                this.ending = end;
                this.surf = surf;
                rIncr = 360.0 / (ending - beginning);
                sIncr = 1.0 / (ending - beginning);
            }

            @Override
            public void reset(int w, int h) {
                scale = 1.0;
                rotate = 0.0;
                bimg = null;
                subs.clear();
                pts.clear();
            }

            @Override
            public void step(int w, int h) {
                if (bimg == null) {
                    int biw = surf.bimg.getWidth();
                    int bih = surf.bimg.getHeight();
                    bimg = new BufferedImage(biw, bih,
                            BufferedImage.TYPE_INT_RGB);
                    Graphics2D big = bimg.createGraphics();
                    big.drawImage(surf.bimg, 0, 0, null);
                    for (int x = 0; x < w && scale > 0.0; x += siw) {
                        int ww = x + siw < w ? siw : w - x;
                        for (int y = 0; y < h; y += sih) {
                            int hh = y + sih < h ? sih : h - y;
                            subs.add(bimg.getSubimage(x, y, ww, hh));
                            pts.add(new Point(x, y));
                        }
                    }
                }

                rotate += rIncr;
                scale -= sIncr;
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                AffineTransform saveTx = g2.getTransform();
                g2.setColor(myBlue);
                for (int i = 0; i < subs.size() && scale > 0.0; i++) {
                    BufferedImage bi = subs.get(i);
                    Point p = pts.get(i);
                    int ww = bi.getWidth();
                    int hh = bi.getHeight();
                    AffineTransform at = new AffineTransform();
                    at.rotate(Math.toRadians(rotate), p.x + ww / 2, p.y + hh / 2);
                    at.translate(p.x, p.y);
                    at.scale(scale, scale);

                    Rectangle b1 = new Rectangle(0, 0, ww, hh);
                    Shape shape = at.createTransformedShape(b1);
                    Rectangle2D b2 = shape.getBounds2D();
                    double xx = (p.x + ww / 2) - (b2.getX() + b2.getWidth() / 2);
                    double yy = (p.y + hh / 2)
                            - (b2.getY() + b2.getHeight() / 2);
                    AffineTransform toCenterAT = new AffineTransform();
                    toCenterAT.translate(xx, yy);
                    toCenterAT.concatenate(at);

                    g2.setTransform(toCenterAT);
                    g2.drawImage(bi, 0, 0, null);
                    g2.draw(b1);
                }
                g2.setTransform(saveTx);
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End SiE class


        /**
         * Line Effect.  Flattened ellipse with lines from the center
         * to the edge.  Expand or collapse the ellipse.  Fade in or out
         * the lines.
         */
        static class LnE implements Part {

            static final int INC = 1;
            static final int DEC = 2;
            static final int R = 4;             // rotate
            static final int ZOOM = 8;             // zoom
            static final int AC = 32;             // AlphaComposite
            static final int RI = R | INC;
            static final int RD = R | DEC;
            static final int ZOOMI = ZOOM | INC;
            static final int ZOOMD = ZOOM | DEC;
            static final int ACI = AC | INC;
            static final int ACD = AC | DEC;
            private int beginning, ending;
            private double rIncr, rotate;
            private double zIncr, zoom;
            private List<Point2D.Double> pts = new ArrayList<Point2D.Double>();
            private float alpha, aIncr;
            private int type;

            public LnE(int type, int beg, int end) {
                this.type = type;
                this.beginning = beg;
                this.ending = end;
                float range = ending - beginning;
                rIncr = 360.0f / range;
                aIncr = 0.9f / range;
                zIncr = 2.0f / range;
                if ((type & DEC) != 0) {
                    rIncr = -rIncr;
                    aIncr = -aIncr;
                    zIncr = -zIncr;
                }
            }

            public void generatePts(int w, int h, double sizeF) {
                pts.clear();
                double size = Math.min(w, h) * sizeF;
                Ellipse2D ellipse = new Ellipse2D.Double(w / 2 - size / 2, h / 2 - size
                        / 2, size, size);
                PathIterator pi = ellipse.getPathIterator(null, 0.8);
                while (!pi.isDone()) {
                    double[] pt = new double[6];
                    switch (pi.currentSegment(pt)) {
                        case FlatteningPathIterator.SEG_MOVETO:
                        case FlatteningPathIterator.SEG_LINETO:
                            pts.add(new Point2D.Double(pt[0], pt[1]));
                    }
                    pi.next();
                }
            }

            @Override
            public void reset(int w, int h) {
                if ((type & DEC) != 0) {
                    rotate = 360;
                    alpha = 1.0f;
                    zoom = 2.0;
                } else {
                    rotate = alpha = 0;
                    zoom = 0;
                }
                if ((type & ZOOM) == 0) {
                    generatePts(w, h, 0.5);
                }
            }

            @Override
            public void step(int w, int h) {
                if ((type & ZOOM) != 0) {
                    generatePts(w, h, zoom += zIncr);
                }
                if ((type & RI) != 0 || (type & RI) != 0) {
                    rotate += rIncr;
                }
                if ((type & ACI) != 0 || (type & ACD) != 0) {
                    alpha += aIncr;
                }
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                Composite saveAC = null;
                if ((type & AC) != 0 && alpha >= 0 && alpha <= 1) {
                    saveAC = g2.getComposite();
                    g2.setComposite(AlphaComposite.getInstance(
                            AlphaComposite.SRC_OVER, alpha));
                }
                AffineTransform saveTx = null;
                if ((type & R) != 0) {
                    saveTx = g2.getTransform();
                    AffineTransform at = new AffineTransform();
                    at.rotate(Math.toRadians(rotate), w / 2, h / 2);
                    g2.setTransform(at);
                }
                Point2D p1 = new Point2D.Double(w / 2, h / 2);
                g2.setColor(YELLOW);
                for (Point2D pt : pts) {
                    g2.draw(new Line2D.Float(p1, pt));
                }
                if (saveTx != null) {
                    g2.setTransform(saveTx);
                }
                if (saveAC != null) {
                    g2.setComposite(saveAC);
                }
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End LnE class


        /**
         * Template for Features & Contributors consisting of translating
         * blue and red rectangles and an image going from transparent to
         * opaque.
         */
        static class Temp implements Part {

            static final int NOANIM = 1;
            static final int RECT = 2;
            static final int IMG = 4;
            static final int RNA = RECT | NOANIM;
            static final int INA = IMG | NOANIM;
            private int beginning, ending;
            private float alpha, aIncr;
            private int type;
            private Rectangle rect1, rect2;
            private int x, y, xIncr, yIncr;
            private Image img;

            public Temp(int type, Image img, int beg, int end) {
                this.type = type;
                this.img = img;
                this.beginning = beg;
                this.ending = end;
                aIncr = 0.9f / (ending - beginning);
                if ((type & NOANIM) != 0) {
                    alpha = 1.0f;
                }
            }

            @Override
            public void reset(int w, int h) {
                rect1 = new Rectangle(8, 20, w - 20, 30);
                rect2 = new Rectangle(20, 8, 30, h - 20);
                if ((type & NOANIM) == 0) {
                    alpha = 0.0f;
                    xIncr = w / (ending - beginning);
                    yIncr = h / (ending - beginning);
                    x = w + (int) (xIncr * 1.4);
                    y = h + (int) (yIncr * 1.4);
                }
            }

            @Override
            public void step(int w, int h) {
                if ((type & NOANIM) != 0) {
                    return;
                }
                if ((type & RECT) != 0) {
                    rect1.setLocation(x -= xIncr, 20);
                    rect2.setLocation(20, y -= yIncr);
                }
                if ((type & IMG) != 0) {
                    alpha += aIncr;
                }
            }

            @Override
            public void render(int w, int h, Graphics2D g2) {
                if ((type & RECT) != 0) {
                    g2.setColor(myBlue);
                    g2.fill(rect1);
                    g2.setColor(myRed);
                    g2.fill(rect2);
                }
                if ((type & IMG) != 0) {
                    Composite saveAC = g2.getComposite();
                    if (alpha >= 0 && alpha <= 1) {
                        g2.setComposite(AlphaComposite.getInstance(
                                AlphaComposite.SRC_OVER, alpha));
                    }
                    g2.drawImage(img, 30, 30, null);
                    g2.setComposite(saveAC);
                }
            }

            @Override
            public int getBegin() {
                return beginning;
            }

            @Override
            public int getEnd() {
                return ending;
            }
        } // End Temp class


        /**
         * Features of Java2D(TM).  Single character advancement effect.
         */
        static class Features implements Part {

            static final int GRAPHICS = 0;
            static final int TEXT = 1;
            static final int IMAGES = 2;
            static final int COLOR = 3;
            static final Font font1 = new Font(Font.SERIF, Font.BOLD, 38);

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