import java.awt.*;
import java.awt.image.*;
import javax.swing.*;

/**
* Panel contenant le dessin du A Propos
*/
public class AproposDessin extends JPanel implements Runnable {

    APropos apropos;
    int largeur, hauteur;
    Font policeSVG, policeNom;
    int Xsvg, Ysvg, Xnom, Ynom, Xmait, Ymait, Xres, Yres;
    int X1, Y1, X2, Y2, X3, Y3;
    float transparence;
    Thread thread;
    
    /**
     * Constructeur
     */
    AproposDessin(APropos a, int i, int j) {

	apropos = a;
	
	setBounds(10,10,i,j);
	largeur = i;
	hauteur = j;
	
	setVisible(true);

	action();
	
	// Paramètres affichages
	transparence = (float) 0.0;
	
	Xsvg = 250;
	Ysvg = 50;
	policeSVG = new Font("Dialog", Font.BOLD, 40);
	
	Xnom = 20;
	Ynom = 160;
	policeNom = new Font("Dialog", Font.BOLD, 15);
	
	Xmait = 280;
	Ymait = Ynom;
	
	Xres = Xmait;
	Yres = Ymait+100;
	
	// Animation
	X1 = -50;
	Y1 = -50;
	X2 = 450;
	Y2 = 100;
	X3 = 370;
	Y3 = -50;
	
    }

    // ACCESSEURS
    public void setX1Y1(int i, int j) {X1 = i; Y1 = j;}
    public int getX1() {return X1;}
    public int getY1() {return Y1;}    

    public void setX2Y2(int i, int j) {X2 = i; Y2 = j;}
    public int getX2() {return X2;}
    public int getY2() {return Y2;}
    
    public void setX3Y3(int i, int j) {X3 = i; Y3 = j;}
    public int getX3() {return X3;}
    public int getY3() {return Y3;} 
    
    public void setTransparence(float f) {
    	transparence = f;
    }
    public float getTransparence() {
    	return transparence;	
    }

    // FONCTIONS

    // Gestion du Thread
    public void run() {
	try {
		thread.sleep(500);
		int i1, i2, i3;
		i1 = i2 = i3 = 0; 
		int index = 0;
		while(true) {	
			if (index == 5) {
				index = 0;
				if (getTransparence() < (float) 0.976) {
					float f = getTransparence();
					setTransparence(f + (float) 0.024);
				} 			
			}		
			if ((getX1() > (largeur+50)) || (getY1() > (hauteur+50))) {
				i1 = 0;
				setX1Y1(-50,-50);
			}
			if ((getX2() < -150) || (getY2() < -150)) {
				i2 = 0;
				setX2Y2(450,100);
			}
			if ((getX3() < 0) || (getY3() > hauteur + 50)) {
				i3 = 0;
				setX3Y3(320,-50);
			}
			setX1Y1(getX1() + i1, getY1() + i1);
			setX2Y2(getX2() - i2, getY2() - i2/3);
			setX3Y3(getX3() - i3, getY3() + i3);
			i1++;
			i2++;
			i3++;
			index++;
			repaint();
			thread.sleep(100);
		}
	} catch (Exception e) {
		System.out.println(e);
	} 
    }
    public void action() {
	try {
		thread = new Thread(this);
		thread.start();
	} catch (Exception e) {
		System.out.println(e);	
	}
    }

    // Gestion de l'affichage du dessin
    public void paint(Graphics g) {
	Graphics2D biff,g2d = (Graphics2D)g;
	BufferedImage buff = (BufferedImage)createImage(largeur, hauteur);
	biff = buff.createGraphics();
	
	biff.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
	
	biff.setColor(Color.white);			
	biff.fillRect(0, 0, largeur, hauteur);
	
	biff.setPaint(new GradientPaint((float)Xsvg - 100,
				     (float)Ysvg,
				     new Color(226,32,0),
				     (float)Xsvg + 100,
				     (float)Ysvg + 170,
				     new Color(8,128,8)
				     ));
	biff.setStroke(new BasicStroke(0));
	biff.setFont(policeSVG);
	biff.drawString("PaintRevolution", Xsvg, Ysvg);
	
	
	biff.setColor(Color.black);
	biff.setFont(policeNom);
	biff.drawString("Développeurs : ", Xnom, Ynom-10);
	
	biff.setColor(Color.blue);
	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) getTransparence()));
	biff.drawString("VIGNERON Geoffroy", Xnom + 20, Ynom + 20);
	biff.drawString("GANGANELLI Dorian", Xnom + 20, Ynom + 40);


	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) 1));	
	biff.setColor(Color.black);
	biff.setFont(policeNom);
	biff.drawString("Promotion :", Xmait, Ymait-10);
	
	biff.setColor(Color.blue);
	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) getTransparence()));
	biff.drawString("IUT CHARLEMAGNE", Xmait + 20, Ymait + 20);
	biff.drawString("Université Nancy II", Xmait + 20, Ymait + 40);
	
	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) 1));	
	biff.setColor(Color.black);
	biff.setFont(policeNom);
		
	
	biff.setPaint(new GradientPaint((float)0,(float)0,Color.yellow,(float)largeur,(float)hauteur,Color.red));
	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) 0.5));
	biff.fillOval(getX1(), getY1(), 200, 100);
	
	biff.setPaint(new GradientPaint((float)0,(float)0,Color.green,(float)largeur,(float)hauteur,Color.blue));
	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) 0.2));
	biff.fillOval(getX2(), getY2(), 200, 200);
	
	biff.setPaint(new GradientPaint((float)0,(float)hauteur,Color.blue,(float)400,(float)0,Color.red));
	biff.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) 0.3));
	biff.fillOval(getX3(), getY3(), 50, 100);
	
	
	g2d.drawImage(buff, 0, 0, this);
	
    }

}