splashcanvas.java

J2ME的手机游戏 马里奥版本的是男人就下一百层

package Blocks;
import java.io.IOException;
import javax.microedition.lcdui.*;

/**
 * SplashCanvas the screen
 * @author ada
 */
public class SplashCanvas extends Canvas implements Runnable{
    private Display display = null;
    private Displayable nextDisplay;
    private int turn = 0;
    private int width;
    private int height;
    public SplashCanvas(Display dis, Displayable disp) {
        this.display = dis;
        this.nextDisplay = disp;
        this.setFullScreenMode(true);
        width = this.getWidth();
        height = this.getHeight();        
        Thread thread = new Thread(this);
        thread.start();
    } 
    
    /**
     * paint
     */
    public void paint(Graphics g) {
        Font font = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_LARGE);
        this.setFullScreenMode(true);
        g.setColor(0x00000000);
        g.setFont(font);
        Image displayImage = null;
        try{
            if(turn == 0){
                displayImage = Image.createImage("/99.png");
                g.drawImage(displayImage, width/2,height/2, Graphics.HCENTER|Graphics.BOTTOM);
            }
            else if(turn == 1){
                displayImage = Image.createImage("/Blocks.png");
                g.drawImage(displayImage, width/2, height/2, Graphics.HCENTER|Graphics.TOP);
            }
            else if(turn == 2){
                displayImage = Image.createImage("/2008.png");
                g.drawImage(displayImage, width, height, Graphics.RIGHT|Graphics.BOTTOM);
                g.drawString("Press '5' to Continue", width/2, height - 40, Graphics.HCENTER|Graphics.BOTTOM);
            }
        }
        catch(IOException e)
        {
            e.printStackTrace();
        }
    }
 
    public void run() {
        boolean running = true;
        try {
            while (running) {
                if (turn == 0) {
                    Thread.sleep(1000);
                    turn = 1;
                    repaint();
                } else if (turn == 1) {
                    Thread.sleep(1000);
                    turn = 2;
                    repaint();
                } else if (turn == 2) {
                    Thread.sleep(1000);
                    repaint();
                    running = false;
                }
            }

        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    /**
     * Called when a key is pressed.
     */
    protected  void keyPressed(int keyCode) {
        if( keyCode == Canvas.KEY_NUM5 || this.getGameAction(keyCode) == Canvas.FIRE){
            display.setCurrent(nextDisplay);
        }
    }
}