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| ************************ElementG.java********************
******************************************************
import java.awt.*;
import java.awt.event.*;
public class ElementG extends Canvas
{
protected Image image;
protected Point position,posZ1,posZ2,posclick;
protected Dimension dim,dimZ1,dimZ2;
public boolean inmotion=false;
public ElementG(Point position, Dimension dim)
{
this.position = position;
this.dim = dim;
setPropZone();
java.awt.Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit();
//Attention les icones importées doivent être de dimension 120*120
image = toolkit.getImage("icone1.jpg");
}
protected void setPropZone()
{
posZ1 = new Point(0,40);
dimZ1 = new Dimension(40,40);
posZ2 = new Point(80,40);
dimZ2 = new Dimension(40,40);
}
public void setPosClick(Point posclick)
{
this.posclick=posclick;
}
public Point getPosClick()
{
return this.posclick;
}
public Point getPos()
{
return position;
}
public Dimension getDim()
{
return dim;
}
public boolean isInto(Point p)
{
if((position.x < p.x) && (position.x+dim.width > p.x) && (position.y < p.y) && (p.y < position.y+dim.height))
return true;
else
return false;
}
public boolean isIntoZ1(Point p)
{
if((position.x+posZ1.x < p.x) && (position.x+posZ1.x+dimZ1.width > p.x) && (position.y+posZ1.y < p.y) && (p.y < position.y+posZ1.y+dimZ1.height))
return true;
else
return false;
}
public boolean isIntoZ2(Point p)
{
if((position.x+posZ2.x < p.x && (position.x+posZ2.x+dimZ2.width > p.x) && (position.y+posZ2.y < p.y) && (p.y < position.y+posZ2.y+dimZ2.height)))
return true;
else
return false;
}
public void erase(Graphics g)
{
g.clearRect(position.x, position.y, dim.width, dim.height);
}
public void paint(Graphics g)
{
super.paint(g);
g.drawImage(image,position.x,position.y,null);
}
//Cette fonction trouve elle-même la nouvelle coordonnée en prenant compte du point de click
public void move(Point move,Graphics g)
{
position.x = move.x-this.getPosClick().x;
position.y = move.y-this.getPosClick().y;
System.out.println("move "+position);
paint(g);
}
}
****************************************************************************************
****************************************************************************************
*****************Interface.java*************************************************************
import java.awt.*;
import java.math.*;
import java.awt.event.*;
import java.util.*;
public class Interface extends Frame implements MouseMotionListener, MouseListener
{
Vector<ElementG> Elements;
//ElementG Elem;
Image image;
java.awt.Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit();
public Interface()
{
image = toolkit.getImage("icone1.jpg");
Elements = new Vector<ElementG>();
for(int i =0;i<10;i++)
{
Elements.add(new ElementG( new Point((int)(Math.random()*800),(int)(Math.random()*600)), new Dimension(120,120)) );
this.add(Elements.get(i));
Elements.get(i).addMouseListener(this);
Elements.get(i).addMouseMotionListener(this);
}
//Elem = new ElementG(new Point(100,100),new Dimension(120,120));
//propriété de Interface
this.setSize(800,600);
this.setLocation(300, 50);
//this.add(Elem);
this.setVisible(true);
//ajout des écoutes
//Elem.addMouseListener(this);
//Elem.addMouseMotionListener(this);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
}
);
show();
}
public void actionPerformed(ActionEvent e)
{
}
public void mouseClicked(MouseEvent e)
{
}
public void mouseEntered(MouseEvent e)
{
}
public void mouseExited(MouseEvent e)
{
}
public void mousePressed(MouseEvent e)
{
//if(Elem.isInto(e.getPoint()) && (!Elem.isIntoZ1(e.getPoint())) && (!Elem.isIntoZ2(e.getPoint())))
//{
// Elem.setPosClick(new Point((int)(e.getX()-Elem.getPos().getX()),(int)(e.getY()-Elem.getPos().getY())));
// Elem.inmotion = true;
//}
for(int i=0;i<10;i++)
{
if(Elements.get(i).isInto(e.getPoint()) && (!Elements.get(i).isIntoZ1(e.getPoint())) && (!Elements.get(i).isIntoZ2(e.getPoint())))
{
Elements.get(i).setPosClick(new Point(e.getPoint().x - Elements.get(i).getPos().x, e.getPoint().y - Elements.get(i).getPos().y));
Elements.get(i).inmotion = true;
System.out.println("Element "+i);
}
}
}
public void mouseMoved(MouseEvent e) {}
public void mouseDragged(MouseEvent e) {}
public void mouseReleased(MouseEvent e)
{
//if(Elem.inmotion)
//{
// Elem.erase(Elem.getGraphics());
// Elem.move(new Point((int)(e.getPoint().getX()),(int)(e.getPoint().getY())),Elem.getGraphics());
// Elem.inmotion = false;
//}
for(int i=0;i<10;i++)
{
if(Elements.get(i).inmotion)
{
Elements.get(i).erase(this.getGraphics());
Elements.get(i).move(new Point(e.getPoint().x,e.getPoint().y),this.getGraphics());
Elements.get(i).inmotion = false;
}
}
}
/*
public void mouseMoved(MouseEvent e)
{
}
public void mouseDragged(MouseEvent e)
{
if(Elem.inmotion)
{
Elem.erase(this.getGraphics());
Elem.move(new Point((int)(e.getPoint().getX()),(int)(e.getPoint().getY())),Elem.getGraphics());
}
}
*/
public static void main(String[] args)
{
Interface A = new Interface();
}
}
************************************************************************************** |
Probleme avec Canvas et son Graphics
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