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| import java.awt.AWTException;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.image.BufferedImage;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import javax.swing.*;
@SuppressWarnings("serial")
public class RegleEcran extends JFrame implements MouseMotionListener, MouseListener {
private int x, y, x_start_point, y_start_point;
private NumberFormat nf = new DecimalFormat("#.00");
private final static Font LEGENDE = new Font("Sans Serif, Helvetica, Arial", Font.ROMAN_BASELINE, 10);
private BufferedImage image=null;
public RegleEcran () {
x_start_point=-1;
y_start_point=-1;
addMouseMotionListener(this);
addMouseListener(this);
setUndecorated(true);
}
public void setImage(BufferedImage image){
this.image = image;
}
@Override
public void paint(Graphics g) {
super.paint(g);
Graphics2D g2d = (Graphics2D)g;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
if(image!= null){
g2d.drawImage(image, 0, 0, this);
}
if(x_start_point!=-1){
// ligne
g2d.setColor(Color.RED);
g2d.drawLine(x_start_point, y_start_point, x, y);
// croix
g2d.setColor(Color.WHITE);
g2d.setStroke(new BasicStroke(3));
g2d.drawLine(x_start_point, y_start_point-3, x_start_point, y_start_point+3);
g2d.drawLine(x_start_point-3, y_start_point, x_start_point+3, y_start_point);
g2d.drawLine(x, y-3, x, y+3);
g2d.drawLine(x-3, y, x+3, y);
g2d.setColor(Color.BLACK);
g2d.setStroke(new BasicStroke(1));
g2d.drawLine(x_start_point, y_start_point-3, x_start_point, y_start_point+3);
g2d.drawLine(x_start_point-3, y_start_point, x_start_point+3, y_start_point);
g2d.drawLine(x, y-3, x, y+3);
g2d.drawLine(x-3, y, x+3, y);
// legendes
g2d.setColor(new Color(127,127,127,127));
g2d.fillRect(x_start_point-60, y_start_point, 50, 35);
g2d.fillRect(x+10, y, 72, 95);
g2d.setColor(Color.BLACK);
g2d.setFont(LEGENDE);
g2d.drawString("x : " + (x_start_point), x_start_point-55, y_start_point+15);
g2d.drawString("y : " + (y_start_point), x_start_point-55, y_start_point+27);
g2d.drawString("x : " + (x), x+15, y+15);
g2d.drawString("y : " + (y), x+15, y+27);
g2d.drawString("h : " + (x - x_start_point), x+15, y+45);
g2d.drawString("v : " + (y - y_start_point), x+15, y+57);
g2d.drawString("° : " + nf.format(-(Math.toDegrees(Math.atan2(y-y_start_point , x-x_start_point)))), x+15, y+75);
g2d.drawString("d : " + nf.format((Math.sqrt(Math.pow((x - x_start_point),2)+Math.pow((y - y_start_point),2)))), x+15, y+87);
}
}
// Listeners
public void mouseDragged(MouseEvent e) {
x = e.getX();
y = e.getY();
repaint();
}
public void mouseMoved(MouseEvent e) {}
public void mouseClicked(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mousePressed(MouseEvent e) {
x_start_point=e.getX();
y_start_point=e.getY();
x = e.getX();
y = e.getY();
repaint();
}
public void mouseReleased(MouseEvent e) {}
// Main
public static void main(String[] args) throws AWTException {
RegleEcran frame = new RegleEcran();
Toolkit leKit = frame.getToolkit();
Dimension tailleFenetre = leKit.getScreenSize();
Rectangle screenRect = new Rectangle(tailleFenetre);
//creer le screenshot
Robot robot = new Robot();
BufferedImage image = robot.createScreenCapture(screenRect);
frame.setImage(image);
frame.setBounds(0, 0, tailleFenetre.width, tailleFenetre.height);
frame.setVisible(true);
Cursor main = new Cursor(Cursor.CROSSHAIR_CURSOR);
frame.setCursor(main);
}
} |
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