color.java

j2me学习 简单例子

package example.demoprimaryui.graphicsone;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;

/**
 * <p>J2ME Color Demo</p>
 * 
 * @author 刘光辉
 * @version 2009.02.02
 */
public class Color extends Canvas {

	/**
	 * <p>Color的构造函数</p>
	 */
	public Color() {
		
	}

	/**
	 * <p>绘制方法</p>
	 * @see javax.microedition.midlet.Canvas#paint()
	 */
	protected void paint(Graphics g) {
		//进行画面的初始化
		g.setColor(255,255,0);
		g.fillRect(0,0,getWidth(),getHeight());
		
//		int c =g.getColor();
//		int dc =g.getDisplayColor(g.getColor());
		
//		System.out.println("当前画面的颜色为："+Integer.toHexString(c));
//		System.out.println("当前画面的R 值为："+g.getRedComponent());
//		System.out.println("当前画面的G 值为："+g.getGreenComponent());
//		System.out.println("当前画面的B 值为："+g.getBlueComponent());
//		System.out.println("当前画面的显示颜色为："+Integer.toHexString(dc));
//		System.out.println("当前画面的灰度为："+g.getGrayScale());
	}

}