servertime.cs

《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含的源代码.非常经典的一本asp.net2.0的书籍

using System;
using System.Data;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
/// <summary>
/// Image 的摘要描述
/// </summary>
public class ServerTime
{
	public ServerTime()
	{
		//
		// TODO: 在此加入构造函数的程序代码
		//
	}

	public byte[] GetTime()
	{
		Bitmap imageTime = new Bitmap(500, 100);

		Graphics g = Graphics.FromImage(imageTime);

		SolidBrush whitePen = new SolidBrush(Color.White);
		g.FillRectangle(whitePen, 0, 0, 500, 100);

		//g.DrawRectangle(new Pen(Color.White), 0, 0, 500, 100);

		//定义画笔
		HatchBrush theBrush = new HatchBrush(HatchStyle.Cross, Color.White, Color.Black);

		//绘制时间图形
		g.DrawString(DateTime.Now.ToLongTimeString(), new Font("Arial Black", 48), theBrush, 10, 0);

		//建立MemoryStream
		MemoryStream ms = new MemoryStream();
		//将BitMap存入MemoryStream
		imageTime.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
		//建立二进位的Byte数组
		byte[] buffer = new byte[ms.Length];
		ms.Seek(0, SeekOrigin.Begin);
		//将数据写入到buffer之中
		ms.Read(buffer, 0, (int)ms.Length);

		return buffer;
	}
}