package java2d.demos.Transforms;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.util.Vector;
import java2d.AnimatingControlsSurface;
import java2d.CustomControls;
import javax.swing.plaf.metal.MetalBorders.ButtonBorder;
public class TransformAnim extends AnimatingControlsSurface {
private static TexturePaint texture;
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(Color.red);
gi.fillOval(0,0,9,9);
texture = new TexturePaint(bi,new Rectangle(0,0,10,10));
}
private static BasicStroke bs = new BasicStroke(6);
private static Font fonts[] = {
new Font("Times New Roman", Font.PLAIN, 48),
new Font("serif", Font.BOLD + Font.ITALIC, 24),
new Font("Courier", Font.BOLD, 36),
new Font("Arial", Font.BOLD + Font.ITALIC, 64),
new Font("Helvetica", Font.PLAIN, 52)};
private static String strings[] = {
"Transformation", "Rotate", "Translate",
"Shear", "Scale" };
private static String imgs[] = { "duke.gif" };
private static Paint paints[] = {
Color.red, Color.blue, texture, Color.green, Color.magenta,
Color.orange, Color.pink, Color.cyan,
new Color(0, 255, 0, 128), new Color(0, 0, 255, 128),
Color.yellow, Color.lightGray, Color.white};
private Vector vector = new Vector(13);
private int numShapes, numStrings, numImages;
protected boolean doRotate = true;
protected boolean doTranslate = true;
protected boolean doScale = true;
protected boolean doShear;
public TransformAnim() {
setBackground(Color.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) {
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]);
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]);
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, this);
}
}
public void render(int w, int h, Graphics2D g2) {
for (int i = 0; i < vector.size(); i++) {
ObjectData od = (ObjectData) vector.get(i);
g2.setTransform(od.at);
g2.setPaint(od.paint);
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);
}
}
}
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 ObjectData 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 ObjectData(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);
}
}
}
static class DemoControls extends CustomControls implements ActionListener, ChangeListener {
TransformAnim demo;
JSlider shapeSlider, stringSlider, imageSlider;
Font font = new Font("serif", Font.BOLD, 10);
JToolBar toolbar;
ButtonBorder buttonBorder = new ButtonBorder();
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(JToolBar.VERTICAL);
bar.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.setOpaque(true);
shapeSlider.setPreferredSize(new Dimension(80,44));
bar.add(shapeSlider);
bar.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.setOpaque(true);
stringSlider.setPreferredSize(new Dimension(80,44));
bar.add(stringSlider);
bar.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.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);
}
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")) {
demo.doRotate = b.isSelected();
} else if (b.getText().equals("SC")) {
demo.doScale = b.isSelected();
} else if (b.getText().equals("SH")) {
demo.doShear = b.isSelected();
}
if (demo.animating.thread == null) {
demo.repaint();
}
}
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);
}
if (demo.animating.thread == null) {
demo.repaint();
}
slider.repaint();
}
public Dimension getPreferredSize() {
return new Dimension(80,38);
}
public void run() {
Thread me = Thread.currentThread();
while (thread == me) {
for (int i = 1; i < toolbar.getComponentCount(); i++) {
try {
thread.sleep(4444);
} catch (InterruptedException e) { return; }
((AbstractButton) toolbar.getComponentAtIndex(i)).doClick();
}
}
thread = null;
}
} }