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| import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Random;
import java.util.List;
public class FramePaint extends JFrame {
private static int counter = 0;
private int nSShape = 1;
private static Random rnd = new Random();
private double scale;
public int Cx;
public int Cy;
private JButton jButton = new JButton("Circle");
private JButton jButton2 = new JButton("Rect");
private JButton jButton3 = new JButton("Delete");
private class SShape {
private Color color;
private double x; // 0..100%
private double y; // 0..100%
private double length; // 0..100%
private boolean type;
private final int Cx;
private final int Cy;
public SShape(Color color,int Cx, int Cy,double x, double y, double radius, boolean type) {
this.color = color;
this.x = x;
this.y = y;
this.length = radius;
this.type = type;
this.Cx =Cx;
this.Cy =Cy;
scale = 1.0;
// timer = new Timer(100, (ActionListener) this);
}
public Color getColor() {
return color;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
public double getLength() {
return length;
}
public boolean isType() {
return type;
}
public void setType(boolean type) {
this.type = type;
}
}
private class SJPanel extends JPanel { // панель со своим потоком и локальной фоновой задаче
private final int id = counter++;
private Color color;
private double radius;
public static final int DEFAULT_WIDTH = 725;
public static final int DEFAULT_HEIGHT = 700;
List<SShape> list = new ArrayList<>();
private SShape genSShape() {
Color color = new Color(rnd.nextInt(0xFFFFFF));
double x = rnd.nextDouble()*0.9;
double y = rnd.nextDouble()*0.9;
double length = rnd.nextDouble()*0.9; // диаметр или длина
boolean type = rnd.nextBoolean();
int Cx = rnd.nextInt();
int Cy = rnd.nextInt();
return new SShape(color,Cx,Cy, x, y, length, type);
}
public synchronized void addSShape(boolean type) {
SShape sShape = genSShape();
sShape.setType(type);
list.add(sShape);
repaint();
Timer fpsTimer = new Timer(15, new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
Cx++;
Cy--;
sShape.setLocation(Cx, Cy);
}
});
fpsTimer.start();
}
public synchronized void removeSShape() {
if (list.size() > 0) {
list.remove(list.size()-1); // remove last
repaint();
}
}
public SJPanel(int size) { // начальный размер списка фигур
for (int i = 0; i < size; i++) {
list.add(genSShape());
}
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g); // вызывать обязательно чтобы не было искажений
int width = getWidth(); // размер панели
for (int i = 0; i < list.size(); i++) {
SShape sShape = list.get(i);
int x = (int)(width* sShape.getX());
int y = (int)(width* sShape.getY());
int length = (int)(width* sShape.getLength()/4); // 1/4 и половина
if (sShape.isType()) {
g.setColor(sShape.getColor());
g.fillOval(x, y, length, length);
//x++;
// y++;
}else{
g.setColor(sShape.getColor());
g.fillRect(x, y, length, length);
//x++;
// y++;
}
}
}
@Override
public String toString() {
return "CBox " + id;
}
}
public FramePaint() {
SJPanel sjPanel = new SJPanel(nSShape); // 8 объектов
JPanel jPanel = new JPanel(new GridLayout(1,3));
jButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
sjPanel.addSShape(true);// add circle
}
});
jButton2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
sjPanel.addSShape(false);// add rect
}
});
jButton3.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
sjPanel.removeSShape();// remove last
}
});
jPanel.add(jButton);
jPanel.add(jButton2);
jPanel.add(jButton3);
add(sjPanel);
add(jPanel,BorderLayout.SOUTH); // внизу три кнопки
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
FramePaint jFrame = new FramePaint();
jFrame.setSize(500, 600);
jFrame.setVisible(true);
}
});
}
} |
(
Сообщение от Alexandro1998
