weiqicanvas.java

来自「最简单的J2ME围棋程序 应该是最简单的了。目前只有交叉落子功能。 源代码 」· Java 代码 · 共 45 行

package com.wqssyq;

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

public class WeiqiCanvas extends Canvas{
	
	int x=0;
	int y=0;
	int bs = 0;

	protected void paint(Graphics g) {
		for(int i=0; i<19; i++)
		{
			g.drawLine(12, 12+12*i, 228, 12+12*i);
		}
		for(int i=0; i<19; i++)
		{
			g.drawLine(12+12*i, 12, 12+12*i, 228);
		}
		
		if(x>0 && y>0)
		{
			if((bs/2)*2!=bs)
			{
				g.fillArc(x-5, y-5, 10, 10, 0, 360);
			}
			else
			{
				g.drawArc(x-5, y-5, 10, 10, 0, 360);
			}
		}
	}
	
	protected void pointerPressed(int x, int y)
	{
		this.x = (int)(x/12.0+0.5)*12;
		this.y = (int)(y/12.0+0.5)*12;
		bs++;
		this.repaint();
	}
	

}