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;
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;
}
} }