BUT2/DEV/DEV2.1/TP09_Evenement2/Q3_Rectangle/Rectangle.java
2023-10-23 13:23:36 +02:00

82 lines
2.3 KiB
Java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Rectangle extends JComponent implements MouseMotionListener,MouseListener{
int xOrigine;
int yOrigine;
int yFinal;
int xFinal;
int longueurFenetre;
int hauteurFenetre;
public Rectangle(){
this.xOrigine = -1;
this.yOrigine = -1;
this.xFinal = -1;
this.yFinal = -1;
this.longueurFenetre = this.getWidth();
this.hauteurFenetre = this.getHeight();
}
@Override
protected void paintComponent(Graphics pinceau) {
Graphics secondPinceau = pinceau.create();
secondPinceau.setColor(new Color(0,0,0));
secondPinceau.fillRect(0, 0, this.getWidth(), this.getHeight());
secondPinceau.setColor(new Color(0,255,100));
if (this.xOrigine >= 0 && this.yOrigine >= 0){
int newXOrigine;
int newYOrigine;
int newLongueur;
int newHauteur;
if (xFinal >= xOrigine){
newXOrigine = this.getWidth()*this.xOrigine/this.longueurFenetre;
newLongueur = this.getWidth()*(this.xFinal-this.xOrigine)/this.longueurFenetre;
}
else{
newXOrigine = this.getWidth()*this.xFinal/this.longueurFenetre;
newLongueur = this.getWidth()*(this.xOrigine-this.xFinal)/this.longueurFenetre;
}
if (yFinal >= yOrigine){
newYOrigine = this.getHeight()*this.yOrigine/this.hauteurFenetre;
newHauteur = this.getHeight()*(this.yFinal-this.yOrigine)/this.hauteurFenetre;
}
else{
newYOrigine = this.getHeight()*this.yFinal/this.hauteurFenetre;
newHauteur = this.getHeight()*(this.yOrigine-this.yFinal)/this.hauteurFenetre;
}
secondPinceau.fillRect(newXOrigine,newYOrigine,newLongueur,newHauteur);
}
}
@Override
public void mouseDragged(MouseEvent e){
this.xFinal = e.getX();
this.yFinal = e.getY();
repaint();
}
@Override
public void mousePressed(MouseEvent e){
this.longueurFenetre = this.getWidth();
this.hauteurFenetre = this.getHeight();
this.xOrigine = e.getX();
this.yOrigine = e.getY();
}
@Override
public void mouseMoved(MouseEvent e){
}
@Override
public void mouseClicked(MouseEvent e){
}
@Override
public void mouseEntered(MouseEvent e){
}
@Override
public void mouseExited(MouseEvent e){
}
@Override
public void mouseReleased(MouseEvent e){
}
}