Winform 图片切换效果

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)     {