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*
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* 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,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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package java2d.demos.Transforms;
import static java.awt.Color.BLACK;
import static java.awt.Color.BLUE;
import static java.awt.Color.CYAN;
import static java.awt.Color.GREEN;
import static java.awt.Color.LIGHT_GRAY;
import static java.awt.Color.MAGENTA;
import static java.awt.Color.ORANGE;
import static java.awt.Color.PINK;
import static java.awt.Color.RED;
import static java.awt.Color.WHITE;
import static java.awt.Color.YELLOW;
import static java.awt.Font.BOLD;
import static java.awt.Font.ITALIC;
import static java.awt.Font.PLAIN;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.TexturePaint;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.AffineTransform;
import java.awt.geom.Arc2D;
import java.awt.geom.CubicCurve2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.QuadCurve2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.List;
import java2d.AnimatingControlsSurface;
import java2d.CustomControls;
import javax.swing.AbstractButton;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JSlider;
import javax.swing.JToggleButton;
import javax.swing.JToolBar;
import javax.swing.SwingConstants;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.plaf.metal.MetalBorders.ButtonBorder;
/**
* Animation of shapes, text and images rotating, scaling and translating
* around a canvas.
*/
@SuppressWarnings("serial")
public final class TransformAnim extends AnimatingControlsSurface {
private static final TexturePaint texturePaint;
static {
BufferedImage bi = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB);
Graphics2D gi = bi.createGraphics();
gi.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
gi.setColor(RED);
gi.fillOval(0,0,9,9);
texturePaint = new TexturePaint(bi,new Rectangle(0,0,10,10));
}
private static BasicStroke bs = new BasicStroke(6);
private static Font[] fonts = {
new Font(Font.SERIF, PLAIN, 48),
new Font(Font.SERIF, BOLD|ITALIC, 24),
new Font(Font.MONOSPACED, BOLD, 36),
new Font(Font.SANS_SERIF, BOLD|ITALIC, 64),
new Font(Font.SANS_SERIF, PLAIN, 52)};
private static String[] strings = {
"Transformation", "Rotate", "Translate", "Shear", "Scale" };
private static String[] imgs = { "duke.png" };
private static Paint[] paints = {
RED, BLUE, texturePaint, GREEN, MAGENTA, ORANGE, PINK, CYAN,
new Color(0, 255, 0, 128), new Color(0, 0, 255, 128),
YELLOW, LIGHT_GRAY, WHITE};
private List<ObjData> objDatas = new ArrayList<ObjData>(13);
private int numShapes, numStrings, numImages;
protected boolean doRotate = true;
protected boolean doTranslate = true;
protected boolean doScale = true;
protected boolean doShear;
public TransformAnim() {
setBackground(BLACK);
setStrings(1);
setImages(2);
setShapes(10);
setControls(new Component[] { new DemoControls(this) });
setConstraints(new String[] { BorderLayout.EAST });
}
public void setImages(int num) {
if (num < numImages) {
List<ObjData> v = new ArrayList<ObjData>(objDatas.size());
for (ObjData objData : objDatas) {
if (objData.object instanceof Image) {
v.add(objData);
}
}
objDatas.removeAll(v.subList(num, v.size()));
} else {
Dimension d = getSize();
for (int i = numImages; i < num; i++) {
Object obj = getImage(imgs[i % imgs.length]);
ObjData objData = new ObjData(obj, BLACK);
objData.reset(d.width, d.height);
objDatas.add(objData);
}
}
numImages = num;
}
public void setStrings(int num) {
if (num < numStrings) {
List<ObjData> v = new ArrayList<ObjData>(objDatas.size());
for (ObjData objData : objDatas) {
if (objData.object instanceof TextData) {
v.add(objData);
}
}
objDatas.removeAll(v.subList(num, v.size()));
} 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]);
ObjData objData = new ObjData(obj, paints[i%paints.length]);
objData.reset(d.width, d.height);
objDatas.add(objData);
}
}
numStrings = num;
}
public void setShapes(int num) {
if (num < numShapes) {
List<ObjData> v = new ArrayList<ObjData>(objDatas.size());
for (ObjData objData : objDatas) {
if (objData.object instanceof Shape) {
v.add(objData);
}
}
objDatas.removeAll(v.subList(num, v.size()));
} 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;
}
ObjData objData = new ObjData(obj, paints[i%paints.length]);
objData.reset(d.width, d.height);
objDatas.add(objData);
}
}
numShapes = num;
}
@Override
public void reset(int w, int h) {
for (ObjData objData : objDatas) {
objData.reset(w, h);
}
}
@Override
public void step(int w, int h) {
for (ObjData objData : objDatas) {
objData.step(w, h, this);
}
}
@Override
public void render(int w, int h, Graphics2D g2) {
for (ObjData objData : objDatas) {
g2.setTransform(objData.at);
g2.setPaint(objData.paint);
if (objData.object instanceof Image) {
g2.drawImage((Image) objData.object, 0, 0, this);
} else if (objData.object instanceof TextData) {
g2.setFont(((TextData) objData.object).font);
g2.drawString(((TextData) objData.object).string, 0, 0);
} else if (objData.object instanceof QuadCurve2D
|| objData.object instanceof CubicCurve2D)
{
g2.setStroke(bs);
g2.draw((Shape) objData.object);
} else if (objData.object instanceof Shape) {
g2.fill((Shape) objData.object);
}
}
}
public static void main(String[] argv) {
createDemoFrame(new TransformAnim());
}
static class TextData extends Object {
public String string;
public Font font;
public TextData(String str, Font font) {
string = str;
this.font = font;
}
}
static class ObjData extends Object {
Object object;
Paint paint;
static final int UP = 0;
static final int DOWN = 1;
double x, y;
double ix=5, iy=3;
int rotate;
double scale, shear;
int scaleDirection, shearDirection;
AffineTransform at = new AffineTransform();
public ObjData(Object object, Paint paint) {
this.object = object;
this.paint = paint;
rotate = (int)(Math.random() * 360);
scale = Math.random() * 1.5;
scaleDirection = Math.random() > 0.5 ? UP : DOWN;
shear = Math.random() * 0.5;
shearDirection = Math.random() > 0.5 ? UP : DOWN;
}
public void reset(int w, int h) {
x = Math.random()*w;
y = Math.random()*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, TransformAnim demo) {
at.setToIdentity();
if (demo.doRotate) {
if ((rotate+=5) == 360) {
rotate = 0;
}
at.rotate(Math.toRadians(rotate), x, y);
}
at.translate(x, y);
if (demo.doTranslate) {
x += ix;
y += iy;
if (x > w) {
x = w - 1;
ix = Math.random() * -w/32 - 1;
}
if (x < 0) {
x = 2;
ix = Math.random() * w/32 + 1;
}
if (y > h ) {
y = h - 2;
iy = Math.random() * -h/32 - 1;
}
if (y < 0) {
y = 2;
iy = Math.random() * h/32 + 1;
}
}
if (demo.doScale && scaleDirection == UP) {
if ((scale += 0.05) > 1.5) {
scaleDirection = DOWN;
}
} else if (demo.doScale && scaleDirection == DOWN) {
if ((scale -= .05) < 0.5) {
scaleDirection = UP;
}
}
if (demo.doScale) {
at.scale(scale, scale);
}
if (demo.doShear && shearDirection == UP) {
if ((shear += 0.05) > 0.5) {
shearDirection = DOWN;
}
} else if (demo.doShear && shearDirection == DOWN) {
if ((shear -= .05) < -0.5) {
shearDirection = UP;
}
}
if (demo.doShear) {
at.shear(shear, shear);
}
}
} // End ObjData class
static final class DemoControls extends CustomControls implements ActionListener, ChangeListener {
TransformAnim demo;
JSlider shapeSlider, stringSlider, imageSlider;
Font font = new Font(Font.SERIF, Font.BOLD, 10);
JToolBar toolbar;
ButtonBorder buttonBorder = new ButtonBorder();
@SuppressWarnings("LeakingThisInConstructor")
public DemoControls(TransformAnim demo) {
super(demo.name);
this.demo = demo;
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
add(Box.createVerticalStrut(5));
JToolBar bar = new JToolBar(SwingConstants.VERTICAL);
bar.setFloatable(false);
shapeSlider = new JSlider(SwingConstants.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.setOpaque(true);
shapeSlider.setPreferredSize(new Dimension(80,44));
bar.add(shapeSlider);
bar.addSeparator();
stringSlider = new JSlider(SwingConstants.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.setOpaque(true);
stringSlider.setPreferredSize(new Dimension(80,44));
bar.add(stringSlider);
bar.addSeparator();
imageSlider = new JSlider(SwingConstants.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.setOpaque(true);
imageSlider.setPreferredSize(new Dimension(80,44));
bar.add(imageSlider);
bar.addSeparator();
add(bar);
toolbar = new JToolBar();
toolbar.setFloatable(false);
addButton("T", "translate", demo.doTranslate);
addButton("R", "rotate", demo.doRotate);
addButton("SC", "scale", demo.doScale);
addButton("SH", "shear", demo.doShear);
add(toolbar);
}
public void addButton(String s, String tt, boolean state) {
JToggleButton b = (JToggleButton) toolbar.add(new JToggleButton(s));
b.setFont(font);
b.setSelected(state);
b.setToolTipText(tt);
b.setFocusPainted(false);
b.setBorder(buttonBorder);
b.addActionListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
JToggleButton b = (JToggleButton) e.getSource();
if (b.getText().equals("T")) {
demo.doTranslate = b.isSelected();
} else if (b.getText().equals("R")) {
/**代码未完, 请加载全部代码(NowJava.com).**/