Winform PPT切换图片效果
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 = ; x < Width; x++)
for (int y = ; y < Height; y++)
{
pixel = oldBitmap.GetPixel(x, y);
int r, g, b, Result = ;
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 = ;
switch (iType)
{
case ://平均值法
Result = ((r + g + b) / );
break;
case ://最大值法
Result = r > g ? r : g;
Result = Result > b ? Result : b;
break;
case ://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 = ; x < Width - ; x++)
for (int y = ; y < Height - ; y++)
{
System.Random MyRandom = new Random();
int k = MyRandom.Next();
//像素块大小
int dx = x + k % ;
int dy = y + k % ;
if (dx >= Width)
dx = Width - ;
if (dy >= Height)
dy = Height - ;
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 = { -, -, -, -, , -, -, -, - };
for (int x = ; x < Width - ; x++)
for (int y = ; y < Height - ; y++)
{
int r = , g = , b = ;
int Index = ;
for (int col = -; col <= ; col++)
for (int row = -; row <= ; 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 > ? : r;
r = r < ? : r;
g = g > ? : g;
g = g < ? : g;
b = b > ? : b;
b = b < ? : b;
newBitmap.SetPixel(x - , y - , 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 = ; x < Width; x++)
{
for (int y = ; y < Height; y++)
{
int r, g, b;
pixel = oldBitmap.GetPixel(x, y);
r = - pixel.R;
g = - pixel.G;
b = - 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 = ; x < Width - ; x++)
{
for (int y = ; y < Height - ; y++)
{
int r = , g = , b = ;
pixel1 = oldBitmap.GetPixel(x, y);
pixel2 = oldBitmap.GetPixel(x + , y + );
r = Math.Abs(pixel1.R - pixel2.R + );
g = Math.Abs(pixel1.G - pixel2.G + );
b = Math.Abs(pixel1.B - pixel2.B + );
if (r > )
r = ;
if (r < )
r = ;
if (g > )
g = ;
if (g < )
g = ;
if (b > )
b = ;
if (b < )
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>
/// 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(, , MyWidth, MyHeight), System.Drawing.Imaging.PixelFormat.DontCare);
int A = MyWidth / ;
int B = MyHeight / ;
//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 / , MyHeight / );
//R强光照射面的半径，即”光晕”
int R = Math.Min(MyWidth / , MyHeight / );
for (int i = MyWidth - ; i >= ; i--)
{
for (int j = MyHeight - ; j >= ; j--)
{
float MyLength = (float)Math.Sqrt(Math.Pow((i - MyCenter.X), ) + Math.Pow((j - MyCenter.Y), ));
//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(, Math.Min(r, ));
g = MyColor.G + (int)MyPixel;
g = Math.Max(, Math.Min(g, ));
b = MyColor.B + (int)MyPixel;
b = Math.Max(, Math.Min(b, ));
//将增亮后的像素值回写到位图
Color MyNewColor = Color.FromArgb(, r, g, b);
MyImage.SetPixel(i, j, MyNewColor);
}
}
//重新绘制图片
MyGraphics.DrawImage(MyImage, new Rectangle(, , 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(, , 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 = ;
int i = width - iModel;
while (i > )
{
int j = height - iModel;
while (j > )
{
int iPos = rnd.Next() % 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 - ;
}
i = i - ;
}
//重新绘制图像
g.Clear(Color.White);
g.DrawImage(img, new Rectangle(, , 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 / ;
int dh = MyBitmap.Height;
Graphics g = picBox.CreateGraphics();
g.Clear(Color.Gray);
Point[] MyPoint = new Point[];
for (int x = ; x < ; x++)
{
MyPoint[x].Y = ;
MyPoint[x].X = x * dw;
}
Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height);
for (int i = ; i < dw; i++)
{
for (int j = ; j < ; j++)
{
for (int k = ; 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();
}
}
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 / ;
int dw = MyBitmap.Width;
Graphics g = picBox.CreateGraphics();
g.Clear(Color.Gray);
Point[] MyPoint = new Point[];
for (int y = ; y < ; y++)
{
MyPoint[y].X = ;
MyPoint[y].Y = y * dh;
}
Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height);
for (int i = ; i < dh; i++)
{
for (int j = ; j < ; j++)
{
for (int k = ; 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();
}
}
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 = ; x <= width; x++)
{
Bitmap bitmap = bmp.Clone(new Rectangle(, , x, height), System.Drawing.Imaging.PixelFormat.Format24bppRgb);
g.DrawImage(bitmap, , );
System.Threading.Thread.Sleep();
}
}
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(, , width, height), , , width, height, GraphicsUnit.Pixel, attributes);
System.Threading.Thread.Sleep();
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, , );
}
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, , );
}
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(,,width/,height/),
new RectangleF(width/,,width/,height/),
new RectangleF(,height/,width/,height/),
new RectangleF(width/,height/,width/,height/)};
//分别克隆图片的四个部分
Bitmap[] MyBitmapBlack ={
MyBitmap.Clone(block[],System.Drawing.Imaging.PixelFormat.DontCare),
MyBitmap.Clone(block[],System.Drawing.Imaging.PixelFormat.DontCare),
MyBitmap.Clone(block[],System.Drawing.Imaging.PixelFormat.DontCare),
MyBitmap.Clone(block[],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[], , );
System.Threading.Thread.Sleep();
g.DrawImage(MyBitmapBlack[], width / , );
System.Threading.Thread.Sleep();
g.DrawImage(MyBitmapBlack[], width / , height / );
System.Threading.Thread.Sleep();
g.DrawImage(MyBitmapBlack[], , height / );
} /// <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(, , myWidth, myHeight);
Bitmap bitmap = MyBitmap.Clone(myRect, System.Drawing.Imaging.PixelFormat.DontCare);
i = ;
while (i < myWidth - )
{
j = ;
while (j < myHeight - )
{
myColor = bitmap.GetPixel(i, j);
iAvg = (myColor.R + myColor.G + myColor.B) / ;
iPixel = ;
if (iAvg >= )
iPixel = ;
else
iPixel = ;
myNewColor = Color.FromArgb(, iPixel, iPixel, iPixel);
bitmap.SetPixel(i, j, myNewColor);
j = j + ;
}
i = i + ;
}
myGraphics.Clear(Color.WhiteSmoke);
myGraphics.DrawImage(bitmap, new Rectangle(, , 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 / ;
int dh = MyBitmap.Height / ;
Graphics g = picBox.CreateGraphics();
g.Clear(Color.Gray);
Point[] MyPoint = new Point[];
for (int x = ; x < ; x++)
for (int y = ; y < ; y++)
{
MyPoint[x * + y].X = x * dw;
MyPoint[x * + y].Y = y * dh;
}
Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height);
for (int i = ; i < ; i++)
{
System.Random MyRandom = new Random();
int iPos = MyRandom.Next();
for (int m = ; m < dw; m++)
for (int n = ; 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 = ; i < ; i++)
for (int m = ; m < dw; m++)
for (int n = ; 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 = ;//旋转的角度
while (MyAngle < )
{
TextureBrush MyBrush = new TextureBrush(MyBitmap);
picBox.Refresh();
MyBrush.RotateTransform(MyAngle);
g.FillRectangle(MyBrush, , , MyBitmap.Width, MyBitmap.Height);
MyAngle += 0.5f;
System.Threading.Thread.Sleep();
}
}
/// <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 = ;
while (x <= height / )
{
for (int i = ; i <= width - ; i++)
{
bitmap.SetPixel(i, x, MyBitmap.GetPixel(i, x));
}
for (int i = ; i <= width - ; i++)
{
bitmap.SetPixel(i, height - x - , MyBitmap.GetPixel(i, height - x - ));
}
x++;
g.Clear(Color.Gray);
g.DrawImage(bitmap, , );
System.Threading.Thread.Sleep();
}
}
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 / ; i <= width / ; 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(, height / - j, width, * j);
Rectangle SrcRect = new Rectangle(, , MyBitmap.Width, MyBitmap.Height);
g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel);
System.Threading.Thread.Sleep();
}
}
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 = ;
while (x <= width / )
{
for (int i = ; i <= height - ; i++)
{
bitmap.SetPixel(x, i, MyBitmap.GetPixel(x, i));
}
for (int i = ; i <= height - ; i++)
{
bitmap.SetPixel(width - x - , i,
MyBitmap.GetPixel(width - x - , i));
}
x++;
g.Clear(Color.Gray);
g.DrawImage(bitmap, , );
System.Threading.Thread.Sleep();
}
}
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 / ; j <= height / ; 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 / - i, , * i, height);
Rectangle SrcRect = new Rectangle(, , MyBitmap.Width, MyBitmap.Height);
g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel);
System.Threading.Thread.Sleep();
}
}
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 = ; i <= width / ; i++)
{
int j = Convert.ToInt32(i * (Convert.ToSingle(height) / Convert.ToSingle(width)));
Rectangle DestRect = new Rectangle(width / - i, height / - j, * i, * j);
Rectangle SrcRect = new Rectangle(, , MyBitmap.Width, MyBitmap.Height);
g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel);
System.Threading.Thread.Sleep();
}
}
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 = ; y <= height; y++)
{
Bitmap bitmap = MyBitmap.Clone(new Rectangle(, , width, y), System.Drawing.Imaging.PixelFormat.Format24bppRgb);
g.DrawImage(bitmap, , );
System.Threading.Thread.Sleep();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "信息提示");
}
}
}
}
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