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