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  • C#教程之Winform下实现图片切换特效的方法

本文实例讲述了Winform下实现图片切换特效的方法，是应用程序开发中非常实用的一个功能。分享给大家供大家参考之用。具体方法如下：

本实例源自网络，功能较为齐全、丰富！主要功能代码如下：

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Drawing.Text;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Windows.Forms;
namespace MengYu.Image
{
  public class ImageClass
  {
    /// <summary>
    /// 将图片转换成黑白色效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void HeiBaiSeImage(Bitmap bmp, PictureBox picBox)
    {
      //以黑白效果显示图像
      Bitmap oldBitmap;
      Bitmap newBitmap=null;
      try
      {
        int Height = bmp.Height;
        int Width = bmp.Width;
        newBitmap = new Bitmap(Width, Height);
        oldBitmap = bmp;
        Color pixel;
        for (int x = 0; x < Width; x++)
          for (int y = 0; y < Height; y++)
          {
            pixel = oldBitmap.GetPixel(x, y);
            int r, g, b, Result = 0;
            r = pixel.R;
            g = pixel.G;
            b = pixel.B;
            //实例程序以加权平均值法产生黑白图像
            int iType = 2;
            switch (iType)
            {
              case 0://平均值法
                Result = ((r + g + b) / 3);
                break;
              case 1://最大值法
                Result = r > g ? r : g;
                Result = Result > b ? Result : b;
                break;
              case 2://加权平均值法
                Result = ((int)(0.7 * r) + (int)(0.2 * g) + (int)(0.1 * b));
                break;
            }
            newBitmap.SetPixel(x, y, Color.FromArgb(Result, Result, Result));
          }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
      picBox.Image = newBitmap;
    }
    /// <summary>
    /// 雾化效果
    /// </summary>
    /// <param name="bmp"></param>
    /// <param name="picBox"></param>
    public static void WuHuaImage(Bitmap bmp, PictureBox picBox)
    {
      //雾化效果
      Bitmap oldBitmap;
      Bitmap newBitmap = null;
      try
      {
        int Height = bmp.Height;
        int Width = bmp.Width;
        newBitmap = new Bitmap(Width, Height);
        oldBitmap = bmp;
        Color pixel;
        for (int x = 1; x < Width - 1; x++)
          for (int y = 1; y < Height - 1; y++)
          {
            System.Random MyRandom = new Random();
            int k = MyRandom.Next(123456);
            //像素块大小
            int dx = x + k % 19;
            int dy = y + k % 19;
            if (dx >= Width)
              dx = Width - 1;
            if (dy >= Height)
              dy = Height - 1;
            pixel = oldBitmap.GetPixel(dx, dy);
            newBitmap.SetPixel(x, y, pixel);
          }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
      picBox.Image= newBitmap;
    }
 
    /// <summary>
    /// 锐化效果
    /// </summary>
    /// <param name="bmp"></param>
    /// <param name="picBox"></param>
    public static void RuiHuaImage(Bitmap bmp, PictureBox picBox)
    {
      Bitmap oldBitmap;
      Bitmap newBitmap = null;
      try
      {
        int Height = bmp.Height;
        int Width = bmp.Width;
        newBitmap = new Bitmap(Width, Height);
        oldBitmap = bmp;
        Color pixel;
        //拉普拉斯模板
        int[] Laplacian ={ -1, -1, -1, -1, 9, -1, -1, -1, -1 };
        for (int x = 1; x < Width - 1; x++)
          for (int y = 1; y < Height - 1; y++)
          {
            int r = 0, g = 0, b = 0;
            int Index = 0;
            for (int col = -1; col <= 1; col++)
              for (int row = -1; row <= 1; row++)
              {
                pixel = oldBitmap.GetPixel(x + row, y + col); r += pixel.R * Laplacian[Index];
                g += pixel.G * Laplacian[Index];
                b += pixel.B * Laplacian[Index];
                Index++;
              }
            //处理颜色值溢出
            r = r > 255 ? 255 : r;
            r = r < 0 ? 0 : r;
            g = g > 255 ? 255 : g;
            g = g < 0 ? 0 : g;
            b = b > 255 ? 255 : b;
            b = b < 0 ? 0 : b;
            newBitmap.SetPixel(x - 1, y - 1, Color.FromArgb(r, g, b));
          }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
      picBox.Image = newBitmap;
    }
    /// <summary>
    ///底片效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void DiPianImage(Bitmap bmp, PictureBox picBox)
    {
      Bitmap oldBitmap;
      Bitmap newBitmap = null;
      try
      {
        int Height = bmp.Height;
        int Width = bmp.Width;
        newBitmap = new Bitmap(Width, Height);
        oldBitmap = bmp;
        Color pixel;
        for (int x = 1; x < Width; x++)
        {
          for (int y = 1; y < Height; y++)
          {
            int r, g, b;
            pixel = oldBitmap.GetPixel(x, y);
            r = 255 - pixel.R;
            g = 255 - pixel.G;
            b = 255 - pixel.B;
            newBitmap.SetPixel(x, y, Color.FromArgb(r, g, b));
          }
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
      }
      picBox.Image = newBitmap;
    }
 
    /// <summary>
    ///浮雕效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void FuDiaoImage(Bitmap bmp, PictureBox picBox)
    {
      Bitmap oldBitmap;
      Bitmap newBitmap = null;
      try
      {
        int Height = bmp.Height;
        int Width = bmp.Width;
        newBitmap = new Bitmap(Width, Height);
        oldBitmap = bmp;
        Color pixel1, pixel2;
        for (int x = 0; x < Width - 1; x++)
        {
          for (int y = 0; y < Height - 1; y++)
          {
            int r = 0, g = 0, b = 0;
            pixel1 = oldBitmap.GetPixel(x, y);
            pixel2 = oldBitmap.GetPixel(x + 1, y + 1);
            r = Math.Abs(pixel1.R - pixel2.R + 128);
            g = Math.Abs(pixel1.G - pixel2.G + 128);
            b = Math.Abs(pixel1.B - pixel2.B + 128);
            if (r > 255)
              r = 255;
            if (r < 0)
              r = 0;
            if (g > 255)
              g = 255;
            if (g < 0)
              g = 0;
            if (b > 255)
              b = 255;
            if (b < 0)
              b = 0;
            newBitmap.SetPixel(x, y, Color.FromArgb(r, g, b));
          }
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
      }
      picBox.Image = newBitmap;
    }
 
    /// <summary>
    /// 日光照射效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void RiGuangZhaoSheImage(Bitmap bmp,PictureBox picBox)
    {
      //以光照效果显示图像
      Graphics MyGraphics = picBox.CreateGraphics();
      MyGraphics.Clear(Color.White);
      Bitmap MyBmp = new Bitmap(bmp, bmp.Width, bmp.Height);
      int MyWidth = MyBmp.Width;
      int MyHeight = MyBmp.Height;
      Bitmap MyImage = MyBmp.Clone(new RectangleF(0, 0, MyWidth, MyHeight), System.Drawing.Imaging.PixelFormat.DontCare);
      int A = MyWidth / 2;
      int B = MyHeight / 2;
      //MyCenter图片中心点，发亮此值会让强光中心发生偏移
      Point MyCenter = new Point(MyWidth / 2, MyHeight / 2);
      //R强光照射面的半径，即”光晕”
      int R = Math.Min(MyWidth / 2, MyHeight / 2);
      for (int i = MyWidth - 1; i >= 1; i--)
      {
        for (int j = MyHeight - 1; j >= 1; j--)
        {
          float MyLength = (float)Math.Sqrt(Math.Pow((i - MyCenter.X), 2) + Math.Pow((j - MyCenter.Y), 2));
          //如果像素位于”光晕”之内
          if (MyLength < R)
          {
            Color MyColor = MyImage.GetPixel(i, j);
            int r, g, b;
            //220亮度增加常量，该值越大，光亮度越强
            float MyPixel = 220.0f * (1.0f - MyLength / R);
            r = MyColor.R + (int)MyPixel;
            r = Math.Max(0, Math.Min(r, 255));
            g = MyColor.G + (int)MyPixel;
            g = Math.Max(0, Math.Min(g, 255));
            b = MyColor.B + (int)MyPixel;
            b = Math.Max(0, Math.Min(b, 255));
            //将增亮后的像素值回写到位图
            Color MyNewColor = Color.FromArgb(255, r, g, b);
            MyImage.SetPixel(i, j, MyNewColor);
          }
        }
        //重新绘制图片
        MyGraphics.DrawImage(MyImage, new Rectangle(0, 0, MyWidth, MyHeight));
      }
    }
 
    /// <summary>
    /// 油画效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void YouHuaImage(Bitmap bmp, PictureBox picBox)
    {
      //以油画效果显示图像
      Graphics g = picBox.CreateGraphics();
      int width = bmp.Width;
      int height = bmp.Height;
      RectangleF rect = new RectangleF(0, 0, width, height);
      Bitmap MyBitmap = bmp;
      Bitmap img = MyBitmap.Clone(rect, System.Drawing.Imaging.PixelFormat.DontCare);
      //产生随机数序列
      Random rnd = new Random();
      //取不同的值决定油画效果的不同程度
      int iModel = 2;
      int i = width - iModel;
      while (i > 1)
      {
        int j = height - iModel;
        while (j > 1)
        {
          int iPos = rnd.Next(100000) % iModel;
          //将该点的RGB值设置成附近iModel点之内的任一点
          Color color = img.GetPixel(i + iPos, j + iPos);
          img.SetPixel(i, j, color);
          j = j - 1;
        }
        i = i - 1;
      }
      //重新绘制图像
      g.Clear(Color.White);
      g.DrawImage(img, new Rectangle(0, 0, width, height));
    }
 
    /// <summary>
    /// 垂直百叶窗
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void BaiYeChuang1(Bitmap bmp, PictureBox picBox)
    {
      //垂直百叶窗显示图像
      try
      {
        Bitmap MyBitmap =(Bitmap) bmp.Clone();
        int dw = MyBitmap.Width / 30;
        int dh = MyBitmap.Height;
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray);
        Point[] MyPoint = new Point[30];
        for (int x = 0; x < 30; x++)
        {
          MyPoint[x].Y = 0;
          MyPoint[x].X = x * dw;
        }
        Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height);
        for (int i = 0; i < dw; i++)
        {
          for (int j = 0; j < 30; j++)
          {
            for (int k = 0; k < dh; k++)
            {
              bitmap.SetPixel(MyPoint[j].X + i, MyPoint[j].Y + k, MyBitmap.GetPixel(MyPoint[j].X + i, MyPoint[j].Y + k));
            }
          }
          picBox.Refresh();
          picBox.Image = bitmap;
          System.Threading.Thread.Sleep(120);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 水平百叶窗
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void BaiYeChuang2(Bitmap bmp, PictureBox picBox)
    {
      //水平百叶窗显示图像
      try
      {
        Bitmap MyBitmap = (Bitmap)bmp.Clone();
        int dh = MyBitmap.Height / 20;
        int dw = MyBitmap.Width;
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray);
        Point[] MyPoint = new Point[20];
        for (int y = 0; y < 20; y++)
        {
          MyPoint[y].X = 0;
          MyPoint[y].Y = y * dh;
        }
        Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height);
        for (int i = 0; i < dh; i++)
        {
          for (int j = 0; j < 20; j++)
          {
            for (int k = 0; k < dw; k++)
            {
              bitmap.SetPixel(MyPoint[j].X + k, MyPoint[j].Y + i, MyBitmap.GetPixel(MyPoint[j].X + k, MyPoint[j].Y + i));
            }
          }
          picBox.Refresh();
          picBox.Image = bitmap;
          System.Threading.Thread.Sleep(100);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
    /// <summary>
    /// 左右拉伸效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void LaShen_ZuoDaoYou(Bitmap bmp, PictureBox picBox)
    {
      //以从左向右拉伸方式显示图像
      try
      {
        int width = bmp.Width; //图像宽度
        int height = bmp.Height; //图像高度
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        for (int x = 1; x <= width; x++)
        {
          Bitmap bitmap = bmp.Clone(new Rectangle(0, 0, x, height), System.Drawing.Imaging.PixelFormat.Format24bppRgb);
          g.DrawImage(bitmap, 0, 0);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 淡入效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void DanRu(Bitmap bmp, PictureBox picBox)
    {
      //淡入显示图像
      try
      {
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray);
        int width = bmp.Width;
        int height = bmp.Height;
        ImageAttributes attributes = new ImageAttributes();
        ColorMatrix matrix = new ColorMatrix();
        //创建淡入颜色矩阵
        matrix.Matrix00 = (float)0.0;
        matrix.Matrix01 = (float)0.0;
        matrix.Matrix02 = (float)0.0;
        matrix.Matrix03 = (float)0.0;
        matrix.Matrix04 = (float)0.0;
        matrix.Matrix10 = (float)0.0;
        matrix.Matrix11 = (float)0.0;
        matrix.Matrix12 = (float)0.0;
        matrix.Matrix13 = (float)0.0;
        matrix.Matrix14 = (float)0.0;
        matrix.Matrix20 = (float)0.0;
        matrix.Matrix21 = (float)0.0;
        matrix.Matrix22 = (float)0.0;
        matrix.Matrix23 = (float)0.0;
        matrix.Matrix24 = (float)0.0;
        matrix.Matrix30 = (float)0.0;
        matrix.Matrix31 = (float)0.0;
        matrix.Matrix32 = (float)0.0;
        matrix.Matrix33 = (float)0.0;
        matrix.Matrix34 = (float)0.0;
        matrix.Matrix40 = (float)0.0;
        matrix.Matrix41 = (float)0.0;
        matrix.Matrix42 = (float)0.0;
        matrix.Matrix43 = (float)0.0;
        matrix.Matrix44 = (float)0.0;
        matrix.Matrix33 = (float)1.0;
        matrix.Matrix44 = (float)1.0;
        //从0到1进行修改色彩变换矩阵主对角线上的数值
        //使三种基准色的饱和度渐增
        Single count = (float)0.0;
        while (count < 1.0)
        {
          matrix.Matrix00 = count;
          matrix.Matrix11 = count;
          matrix.Matrix22 = count;
          matrix.Matrix33 = count;
          attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
          g.DrawImage(bmp, new Rectangle(0, 0, width, height), 0, 0, width, height, GraphicsUnit.Pixel, attributes);
          System.Threading.Thread.Sleep(200);
          count = (float)(count + 0.02);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
    /// <summary>
    /// 逆时针旋转
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void XuanZhuan90(Bitmap bmp, PictureBox picBox)
    {
      try
      {
        Graphics g = picBox.CreateGraphics();
        bmp.RotateFlip(RotateFlipType.Rotate90FlipXY);
        g.Clear(Color.White);
        g.DrawImage(bmp, 0, 0);
      }
      catch (Exception e)
      {
        MessageBox.Show(e.ToString());
      }
    }
    /// <summary>
    /// 顺时针旋转
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void XuanZhuan270(Bitmap bmp, PictureBox picBox)
    {
      try
      {
        Graphics g = picBox.CreateGraphics();
        bmp.RotateFlip(RotateFlipType.Rotate270FlipXY);
        g.Clear(Color.White);
        g.DrawImage(bmp, 0, 0);
      }
      catch (Exception e)
      {
        MessageBox.Show(e.ToString());
      }
    }
    /// <summary>
    /// 分块显示
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void FenKuai(Bitmap MyBitmap, PictureBox picBox)
    {
      //以分块效果显示图像
      Graphics g = picBox.CreateGraphics();
      g.Clear(Color.White);
      int width = MyBitmap.Width;
      int height = MyBitmap.Height;
      //定义将图片切分成四个部分的区域
      RectangleF[] block ={
          new RectangleF(0,0,width/2,height/2),
          new RectangleF(width/2,0,width/2,height/2),
          new RectangleF(0,height/2,width/2,height/2),
          new RectangleF(width/2,height/2,width/2,height/2)};
      //分别克隆图片的四个部分
      Bitmap[] MyBitmapBlack ={
        MyBitmap.Clone(block[0],System.Drawing.Imaging.PixelFormat.DontCare),
        MyBitmap.Clone(block[1],System.Drawing.Imaging.PixelFormat.DontCare),
        MyBitmap.Clone(block[2],System.Drawing.Imaging.PixelFormat.DontCare),
        MyBitmap.Clone(block[3],System.Drawing.Imaging.PixelFormat.DontCare)};
      //绘制图片的四个部分，各部分绘制时间间隔为0.5秒
      g.DrawImage(MyBitmapBlack[0], 0, 0);
      System.Threading.Thread.Sleep(500);
      g.DrawImage(MyBitmapBlack[1], width / 2, 0);
      System.Threading.Thread.Sleep(500);
      g.DrawImage(MyBitmapBlack[3], width / 2, height / 2);
      System.Threading.Thread.Sleep(500);
      g.DrawImage(MyBitmapBlack[2], 0, height / 2);
    }
 
    /// <summary>
    /// 积木特效
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void JiMu(Bitmap MyBitmap, PictureBox picBox)
    {
      //以积木效果显示图像
      try
      {
        Graphics myGraphics = picBox.CreateGraphics ();
        int myWidth, myHeight, i, j, iAvg, iPixel;
        Color myColor, myNewColor;
        RectangleF myRect;
        myWidth = MyBitmap.Width;
        myHeight = MyBitmap.Height;
        myRect = new RectangleF(0, 0, myWidth, myHeight);
        Bitmap bitmap = MyBitmap.Clone(myRect, System.Drawing.Imaging.PixelFormat.DontCare);
        i = 0;
        while (i < myWidth - 1)
        {
          j = 0;
          while (j < myHeight - 1)
          {
            myColor = bitmap.GetPixel(i, j);
            iAvg = (myColor.R + myColor.G + myColor.B) / 3;
            iPixel = 0;
            if (iAvg >= 128)
              iPixel = 255;
            else
              iPixel = 0;
            myNewColor = Color.FromArgb(255, iPixel, iPixel, iPixel);
            bitmap.SetPixel(i, j, myNewColor);
            j = j + 1;
          }
          i = i + 1;
        }
        myGraphics.Clear(Color.WhiteSmoke);
        myGraphics.DrawImage(bitmap, new Rectangle(0, 0, myWidth, myHeight));
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 马赛克效果
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void MaSaiKe(Bitmap MyBitmap,PictureBox picBox)
    {
       //以马赛克效果显示图像
      try
      {
        int dw = MyBitmap.Width / 50;
        int dh = MyBitmap.Height / 50;
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray);
        Point[] MyPoint = new Point[2500];
        for (int x = 0; x < 50; x++)
          for (int y = 0; y < 50; y++)
          {
            MyPoint[x * 50 + y].X = x * dw;
            MyPoint[x * 50 + y].Y = y * dh;
          }
        Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height);
        for (int i = 0; i < 10000; i++)
        {
          System.Random MyRandom = new Random();
          int iPos = MyRandom.Next(2500);
          for (int m = 0; m < dw; m++)
            for (int n = 0; n < dh; n++)
            {
              bitmap.SetPixel(MyPoint[iPos].X + m, MyPoint[iPos].Y + n, MyBitmap.GetPixel(MyPoint[iPos].X + m, MyPoint[iPos].Y + n));
            }
          picBox.Refresh();
          picBox.Image = bitmap;
        }
        for (int i = 0; i < 2500; i++)
          for (int m = 0; m < dw; m++)
            for (int n = 0; n < dh; n++)
            {
              bitmap.SetPixel(MyPoint[i].X + m, MyPoint[i].Y + n, MyBitmap.GetPixel(MyPoint[i].X + m, MyPoint[i].Y + n));
            }
        picBox.Refresh();
        picBox.Image = bitmap;
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 自动旋转
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void XuanZhuan(Bitmap MyBitmap, PictureBox picBox)
    {
      Graphics g = picBox.CreateGraphics();
      float MyAngle = 0;//旋转的角度
      while (MyAngle < 360)
      {
        TextureBrush MyBrush = new TextureBrush(MyBitmap);
        picBox.Refresh();
        MyBrush.RotateTransform(MyAngle);
        g.FillRectangle(MyBrush, 0, 0, MyBitmap.Width,MyBitmap.Height);
        MyAngle += 0.5f;
        System.Threading.Thread.Sleep(50);
      }
    }
    /// <summary>
    /// 上下对接
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void DuiJie_ShangXia(Bitmap MyBitmap, PictureBox picBox)
    {
      //以上下对接方式显示图像
      try
      {
        int width = MyBitmap.Width; //图像宽度
        int height = MyBitmap.Height; //图像高度
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        Bitmap bitmap = new Bitmap(width, height);
        int x = 0;
        while (x <= height / 2)
        {
          for (int i = 0; i <= width - 1; i++)
          {
            bitmap.SetPixel(i, x, MyBitmap.GetPixel(i, x));
          }
          for (int i = 0; i <= width - 1; i++)
          {
            bitmap.SetPixel(i, height - x - 1, MyBitmap.GetPixel(i, height - x - 1));
          }
          x++;
          g.Clear(Color.Gray);
          g.DrawImage(bitmap, 0, 0);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 上下翻转
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void FanZhuan_ShangXia(Bitmap MyBitmap, PictureBox picBox)
    {
      //以上下反转方式显示图像
      try
      {
        int width = MyBitmap.Width; //图像宽度
        int height = MyBitmap.Height; //图像高度
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        for (int i = -width / 2; i <= width / 2; i++)
        {
          g.Clear(Color.Gray); //初始为全灰色
          int j = Convert.ToInt32(i * (Convert.ToSingle(height) / Convert.ToSingle(width)));
          Rectangle DestRect = new Rectangle(0, height / 2 - j, width, 2 * j);
          Rectangle SrcRect = new Rectangle(0, 0, MyBitmap.Width, MyBitmap.Height);
          g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 左右对接
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void DuiJie_ZuoYou(Bitmap MyBitmap, PictureBox picBox)
    {
      //以左右对接方式显示图像
      try
      {
        int width = MyBitmap.Width; //图像宽度
        int height = MyBitmap.Height; //图像高度
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        Bitmap bitmap = new Bitmap(width, height);
        int x = 0;
        while (x <= width / 2)
        {
          for (int i = 0; i <= height - 1; i++)
          {
            bitmap.SetPixel(x, i, MyBitmap.GetPixel(x, i));
          }
          for (int i = 0; i <= height - 1; i++)
          {
            bitmap.SetPixel(width - x - 1, i,
            MyBitmap.GetPixel(width - x - 1, i));
          }
          x++;
          g.Clear(Color.Gray);
          g.DrawImage(bitmap, 0, 0);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
    /// <summary>
    /// 左右翻转
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void FanZhuan_ZuoYou(Bitmap MyBitmap, PictureBox picBox)
    {
      //以左右反转方式显示图像
      try
      {
        int width = MyBitmap.Width; //图像宽度
        int height = MyBitmap.Height; //图像高度
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        for (int j = -height / 2; j <= height / 2; j++)
        {
          g.Clear(Color.Gray); //初始为全灰色
          int i = Convert.ToInt32(j * (Convert.ToSingle(width) / Convert.ToSingle(height)));
          Rectangle DestRect = new Rectangle(width / 2 - i, 0, 2 * i, height);
          Rectangle SrcRect = new Rectangle(0, 0, MyBitmap.Width, MyBitmap.Height);
          g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
 
    /// <summary>
    /// 四周扩散
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void KuoSan(Bitmap MyBitmap, PictureBox picBox)
    {
      try
      {
        int width = MyBitmap.Width; //图像宽度
        int height = MyBitmap.Height; //图像高度
        Graphics g = picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        for (int i = 0; i <= width / 2; i++)
        {
          int j = Convert.ToInt32(i * (Convert.ToSingle(height) / Convert.ToSingle(width)));
          Rectangle DestRect = new Rectangle(width / 2 - i, height / 2 - j, 2 * i, 2 * j);
          Rectangle SrcRect = new Rectangle(0, 0, MyBitmap.Width, MyBitmap.Height);
          g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
    /// <summary>
    /// 上下拉伸
    /// </summary>
    /// <param name="bmp">Bitmap 对象</param>
    /// <param name="picBox">PictureBox 对象</param>
    public static void LaShen_ShangDaoXiao(Bitmap MyBitmap,PictureBox picBox)
    {
            //以从上向下拉伸方式显示图像
      try
      {
        int width = MyBitmap.Width; //图像宽度
        int height =MyBitmap.Height; //图像高度
        Graphics g =picBox.CreateGraphics();
        g.Clear(Color.Gray); //初始为全灰色
        for (int y = 1; y <= height; y++)
        {
          Bitmap bitmap=MyBitmap.Clone (new Rectangle(0,0,width ,y),System.Drawing .Imaging.PixelFormat .Format24bppRgb );
          g.DrawImage (bitmap,0,0);
          System.Threading.Thread.Sleep(10);
        }
      }
      catch (Exception ex)
      {
        MessageBox.Show(ex.Message, "信息提示");
      }
    }
  }
}

另外还有一种调用API实现的特效：

?
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// 代码出自 CSDN
//仅供参考
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace WindowsFormsApplication4
{
  [Flags]
  public enum AnimationType
  {
    AW_HOR_POSITIVE = 0x0001,//从左向右显示
    AW_HOR_NEGATIVE = 0x0002,//从右向左显示
    AW_VER_POSITIVE = 0x0004,//从上到下显示
    AW_VER_NEGATIVE = 0x0008,//从下到上显示
    AW_CENTER = 0x0010,//从中间向四周
    AW_HIDE = 0x10000,
    AW_ACTIVATE = 0x20000,//普通显示
    AW_SLIDE = 0x40000,
    AW_BLEND = 0x80000,//透明渐变显示效果
  }
  public partial class Form1 : Form
  {
    [DllImport("user32.dll")]
    public static extern bool AnimateWindow(IntPtr hwnd, uint dwTime, AnimationType dwFlags);
    private PictureBox pictureBox1, pictureBox2;
    private List<Image> girls = new List<Image>();
    private Timer timer = new Timer();
    private int index = 0;
    public Form1()
    {
      InitializeComponent();
      this.WindowState = FormWindowState.Maximized;
      this.FormBorderStyle = FormBorderStyle.None;
      this.BackColor = Color.Black;
      this.DoubleBuffered = true;
      pictureBox1 = new PictureBox();
      pictureBox1.Location = new Point(200, 100);
      pictureBox1.Size = new System.Drawing.Size(640, 480);
      pictureBox1.SizeMode = PictureBoxSizeMode.AutoSize;
      pictureBox1.Visible = false;
      this.Controls.Add(pictureBox1);
      pictureBox2 = new PictureBox();
      pictureBox2.Location = new Point(400, 300);
      pictureBox2.Size = new System.Drawing.Size(640, 480);
      pictureBox2.SizeMode = PictureBoxSizeMode.AutoSize;
      pictureBox1.Visible = false;
      this.Controls.Add(pictureBox2);
      using (OpenFileDialog dlg = new OpenFileDialog())
      {
        dlg.Multiselect = true;
        dlg.Filter = "jpeg files(*.jpg)|*.jpg";
        if (dlg.ShowDialog() == DialogResult.OK)
        {
          foreach (string file in dlg.FileNames)
          {
            girls.Add(Image.FromFile(file));
          }
        }
      }
      timer.Interval = 3000;
      timer.Tick += new EventHandler(timer_Tick);
      timer.Enabled = true;
    }
    void timer_Tick(object sender, EventArgs e)
    {
      if (girls.Count == 0)
      { return; }
      Image currentGirl = girls[index++];
      pictureBox2.Image = currentGirl;
      AnimateWindow(pictureBox2.Handle, 1000,
        GetRandomAnimationType());
      AnimateWindow(pictureBox1.Handle, 1000, AnimationType.AW_HIDE);
 
      pictureBox1.Visible = false;
      PictureBox temp = pictureBox1;
      pictureBox1 = pictureBox2;
      pictureBox2 = temp;
      if (index >= girls.Count)
      {
        index = 0;
      }
    }
    private Random random = new Random();
    private AnimationType[] animationTypes = null;
    private AnimationType GetRandomAnimationType()
    {
      if (animationTypes == null)
      {
        animationTypes = Enum.GetValues(typeof(AnimationType))
          as AnimationType[];
      }
      return animationTypes[random.Next(0, animationTypes.Length - 1)];
    }
    protected override void OnKeyDown(KeyEventArgs e)
    {
      if (e.KeyCode == Keys.Escape)
      {
        timer.Enabled = false;
        foreach (Image girl in girls)
        {
          girl.Dispose();
        }
        this.Close();
      }
      base.OnKeyDown(e);
    }
  }
}

希望本文所述实例对大家C#程序设计有所帮助。


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