helpcanvas.java

使用java 开发的手机小游戏

import javax.microedition.lcdui.*;

public class HelpCanvas extends Canvas {

	MenuCanvas BCai;

	Display display;

	Image imgBgMap;

	Image background;//背景

	HelpCanvas(MenuCanvas BCai, Display display) {

		this.setFullScreenMode(true); //TODO
		this.BCai = BCai;
		this.display = display;

		try {
			imgBgMap = Image.createImage("/picres/bg_map_blank.png");
			background = Image.createImage("/picres/picHowtoplay.png");

		} catch (Exception e) {
			System.out.println("picture problem");
		}
	}

	public void paint(Graphics g) {

		//画背景
		g.drawImage(imgBgMap, 0, 0, Graphics.TOP | Graphics.LEFT);
		g.drawImage(background, 8, 44, Graphics.TOP | Graphics.LEFT);
	}

	public void keyPressed(int keyCode) {
		if (keyCode == -6) {
			BCai.PT = 1;
			if(!BCai.fd)
			    BCai.menuY=74;
			else
			    BCai.menuY = 59;
			display.setCurrent(BCai);
			BCai.repaint();
		}
	}
}