闪光文字

源文件：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace flash
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        Bitmap bmpText;
        private void timer1_Tick(object sender, EventArgs e)
        {
            Random rand = new Random();
            Color clr1 = Color.FromArgb(rand.Next(255), rand.Next(255), rand.Next(255));
            Color clr2 = Color.FromArgb(rand.Next(255), rand.Next(255), rand.Next(255));
            using (Font fnt = new Font("Arial", 25, FontStyle.Bold))
            {
                this.bmpText = (Bitmap)FancyText.ImageFromText("图书销售管理系统", fnt, clr1, clr2);
            }

            this.pictureBox_Title.Image = this.bmpText;
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}
 FancyText.cs类的代码：

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
using System.Collections.Generic;
using System.Text;
namespace flash
{
    class FancyText
    {
        private const int blurAmount = 5;
        public static Image ImageFromText(string strText, Font fnt, Color clrFore, Color clrBack)
        {
            Bitmap bmpOut = null;

            using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
            {
                SizeF sz = g.MeasureString(strText, fnt);
                using (Bitmap bmp = new Bitmap((int)sz.Width, (int)sz.Height))
                using (Graphics gBmp = Graphics.FromImage(bmp))
                using (SolidBrush brBack = new SolidBrush(Color.FromArgb(16, clrBack.R, clrBack.G, clrBack.B)))
                using (SolidBrush brFore = new SolidBrush(clrFore))
                {
                    gBmp.SmoothingMode = SmoothingMode.HighQuality;
                    gBmp.InterpolationMode = InterpolationMode.HighQualityBilinear;
                    gBmp.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;

                    gBmp.DrawString(strText, fnt, brBack, 0, 0);

                    bmpOut = new Bitmap(bmp.Width + blurAmount, bmp.Height + blurAmount);

                    using (Graphics gBmpOut = Graphics.FromImage(bmpOut))
                    {
                        gBmpOut.SmoothingMode = SmoothingMode.HighQuality;
                        gBmpOut.InterpolationMode = InterpolationMode.HighQualityBilinear;
                        gBmpOut.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;

                        //阴影光晕
                        for (int x = 0; x <= blurAmount; x++)
                        {
                            for (int y = 0; y <= blurAmount; y++)
                            {
                                gBmpOut.DrawImageUnscaled(bmp, x, y);
                            }
                        }

                        gBmpOut.DrawString(strText, fnt, brFore, blurAmount / 2, blurAmount / 2);
                    }
                }
            }

            return bmpOut;

        }
    }
}

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/jingang123gz/archive/2007/11/17/1889433.aspx