实例介绍
【实例简介】通过PictureBox控件进行图像的处理。
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.IO;
using System.Diagnostics;
namespace picture
{
public partial class Form1 : Form
{
byte save;
public Form1()
{
InitializeComponent();
toolStripComboBox1.SelectedIndexChanged = toolStripComboBox1_SelectedIndexChanged;
string[] values = Enum.GetNames(typeof(PictureBoxSizeMode));
toolStripComboBox1.Items.AddRange(values);
toolStripComboBox1.SelectedIndex = 4;
PictureBoxSizeMode si = (PictureBoxSizeMode)Enum.Parse(typeof(PictureBoxSizeMode), "Zoom");
pictureBox1.SizeMode = si;
}
Bitmap baocun;
void toolStripComboBox1_SelectedIndexChanged(object sender, EventArgs a)
{
string val = toolStripComboBox1.SelectedItem as string;
PictureBoxSizeMode si = (PictureBoxSizeMode)Enum.Parse(typeof(PictureBoxSizeMode), val);
pictureBox1.SizeMode = si;
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
}
int intWidth;
int intHeight;
Bitmap huanyuan,s;
int aaa;
private void 打开OToolStripMenuItem_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
try
{
aaa = aaa 1;
Bitmap bmp = null;
Image pic = null;
if (Directory.Exists("Temp") != true)
{
Directory.CreateDirectory("Temp");
}
File.Delete("Temp\\" aaa ".png");
File.Delete("Temp\\" aaa ".jpg");
File.Delete("Temp\\" aaa ".gif");
File.Delete("Temp\\" aaa ".bmp");
File.Delete("Temp\\" aaa ".jpeg");
if (openFileDialog1.FileName.Contains(".png") == true || openFileDialog1.FileName.Contains(".PNG") == true)
{
File.Copy(openFileDialog1.FileName, "Temp\\" aaa ".png");//打开图片
bmp = new Bitmap("Temp\\" aaa ".png");
pic = Image.FromFile("Temp\\" aaa ".png");
s = new Bitmap("Temp\\" aaa ".png");
}
if (openFileDialog1.FileName.Contains(".jpg") == true || openFileDialog1.FileName.Contains(".JPG") == true)
{
File.Copy(openFileDialog1.FileName, "Temp\\" aaa ".jpg" );//打开图片
bmp = new Bitmap("Temp\\" aaa ".jpg");
pic = Image.FromFile("Temp\\" aaa ".jpg");
s = new Bitmap("Temp\\" aaa ".jpg");
}
if (openFileDialog1.FileName.Contains(".gif") == true || openFileDialog1.FileName.Contains(".GIF") == true)
{
File.Copy(openFileDialog1.FileName, "Temp\\" aaa ".gif");//打开图片
bmp = new Bitmap("Temp\\" aaa ".gif");
pic = Image.FromFile("Temp\\" aaa ".gif");
s = new Bitmap("Temp\\" aaa ".gif");
}
if (openFileDialog1.FileName.Contains(".bmp") == true || openFileDialog1.FileName.Contains(".BMP") == true)
{
File.Copy(openFileDialog1.FileName, "Temp\\" aaa ".bmp");//打开图片
bmp = new Bitmap("Temp\\" aaa ".bmp");
pic = Image.FromFile("Temp\\" aaa ".bmp");
s = new Bitmap("Temp\\" aaa ".bmp");
}
if (openFileDialog1.FileName.Contains(".jpeg") == true || openFileDialog1.FileName.Contains(".JPEG") == true)
{
File.Copy(openFileDialog1.FileName, "Temp\\" aaa ".jpeg");//打开图片
bmp = new Bitmap("Temp\\" aaa ".jpeg");
pic = Image.FromFile("Temp\\" aaa ".jpeg");
s = new Bitmap("Temp\\" aaa ".jpeg");
}
pictureBox1.Image = bmp;
intWidth = pic.Width;
intHeight = pic.Height;
保存SToolStripMenuItem.Enabled = true;
另存为LToolStripMenuItem.Enabled = true;
底片ToolStripMenuItem.Enabled = true;
底片ToolStripMenuItem.Enabled = true;
浮雕ToolStripMenuItem.Enabled = true;
黑白ToolStripMenuItem.Enabled = true;
柔滑ToolStripMenuItem.Enabled = true;
锐化ToolStripMenuItem.Enabled = true;
油画ToolStripMenuItem.Enabled = true;
toolStripComboBox1.Enabled = true;
旋转ToolStripMenuItem1.Enabled = true;
还原为最初照片ToolStripMenuItem.Enabled = true;
撤回上一步ToolStripMenuItem.Enabled = false;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = false;
huanyuan = bmp;
open = openFileDialog1.FileName;
baocun = new Bitmap(pictureBox1.Image);
save = 0;
this.Text = "图片编辑器——" open;
label1.Text = "已打开图片！";
bmp = null;
openFileDialog1.Dispose();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);//显示出错原因
label1.Text = "图片打开出错！";
}
}
}
string open;
private void 另存为LToolStripMenuItem_Click(object sender, EventArgs e)
{
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
System.IO.FileStream picture = null;
try
{
Bitmap bmp = new Bitmap(pictureBox1.Image);
s = new Bitmap(pictureBox1.Image);
bmp.Save(saveFileDialog1.FileName);
MessageBox.Show("保存成功");
label1.Text = "保存成功！";
this.Text = "图片编辑器——" open;
baocun = new Bitmap(pictureBox1.Image);
save = 0;
save = 0;
this.Text = "图片编辑器——" open;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
label1.Text = "保存失败！";
}
finally
{
if (picture != null)
{
picture.Close();
picture.Dispose();
}
}
}
}
private void 退出EToolStripMenuItem_Click(object sender, EventArgs e)
{
DialogResult aaa = MessageBox.Show("你确定要退出吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Asterisk);
if(aaa == DialogResult.Yes)
{
if(save == 1)
{
aaa = MessageBox.Show("你确定要退出吗？\n你的照片并未保存，你确定吗？", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
if(aaa == DialogResult.OK)
{
this.Close();
}
}
else
this.Close();
}
}
private void 底片ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
try
{
Bitmap newbitmap = new Bitmap(intWidth, intHeight);
Bitmap oldbitmap = (Bitmap)this.pictureBox1.Image;
Color pixel;
for (int x = 1; x < intWidth; x )
{
for(int y = 1;y < intHeight;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));
}
}
this.pictureBox1.Image = newbitmap;
label1.Text = "已完成图片操作：“底片”！";
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void toolStripComboBox1_Click(object sender, EventArgs e)
{
}
private void 浮雕ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
try
{
Bitmap newBitmap = new Bitmap(intWidth, intHeight);
Bitmap oldBitmap = (Bitmap)this.pictureBox1.Image;
Color pixel1, pixel2;
for(int x = 0;x < intWidth - 1;x )
{
for(int y = 0;y < intHeight - 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));
}
}
this.pictureBox1.Image = newBitmap;
label1.Text = "已完成图片操作：“浮雕”！";
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void 黑白ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
try
{
Bitmap newBitmap = new Bitmap(intWidth, intHeight);
Bitmap oldBitmap = (Bitmap)this.pictureBox1.Image;
Color pixel;
for(int x = 0;x < intWidth;x )
{
for(int y = 0;y < intHeight;y )
{
pixel = oldBitmap.GetPixel(x, y);
int r, g, b, Result = 0;
r = pixel.R;
g = pixel.G;
b = pixel.B;
int iType = 2;
switch(iType)
{
case 0:
Result = ((r g b) / 3);
break;
case 1:
Result = r > g ? r : g;
Result = Result > b ? Result : b;
break;
case 2:
Result = ((int)(0.7 * r) (int)(0.2 * g) (int)(0.1 * b));
break;
}
newBitmap.SetPixel(x, y, Color.FromArgb(Result, Result, Result));
}
}
this.pictureBox1.Image = newBitmap;
label1.Text = "已完成图片操作：“黑白”！";
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void 柔滑ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
try
{
Bitmap bitmap = new Bitmap(intWidth, intHeight);
Bitmap MyBitmap = (Bitmap)this.pictureBox1.Image;
Color pixel;
int[] Gauss = { 1, 2, 1, 2, 4, 2, 1, 2, 1 };
for(int x = 1;x < intWidth - 1;x )
{
for(int y = 1;y < intHeight - 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 = MyBitmap.GetPixel(x row, y col);
r = pixel.R * Gauss[Index];
g = pixel.G * Gauss[Index];
b = pixel.B * Gauss[Index];
Index ;
}
}
r /= 16;
g /= 16;
b /= 16;
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;
bitmap.SetPixel(x - 1, y - 1, Color.FromArgb(r, g, b));
}
}
this.pictureBox1.Image = bitmap;
撤回上一步ToolStripMenuItem.Enabled = true;
label1.Text = "已完成图片操作：“柔滑”！";
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void 锐化ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
try
{
Bitmap newBitmap = new Bitmap(intWidth, intHeight);
Bitmap oldBitmap = (Bitmap)this.pictureBox1.Image;
Color pixel;
int[] Laplacian = { -1, -1, -1, -1, 9, -1, -1, -1, -1 };
for (int x = 1; x < intWidth - 1; x )
{
for (int y = 1; y < intHeight - 1; y )
{
int r = 0, g = 0, b = 0;
int Index = 0;
for (int col = -1; col <= 1; col )
{
for (int rom = -1; rom <= 1; rom )
{
pixel = oldBitmap.GetPixel(x rom, y col);
r = pixel.R * Laplacian[Index];
g = pixel.G * Laplacian[Index];
b = pixel.B * Laplacian[Index];
Index ;
}
}
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));
}
}
this.pictureBox1.Image = newBitmap;
撤回上一步ToolStripMenuItem.Enabled = true;
label1.Text = "已完成图片操作：“锐化”！";
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void 油画ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
try
{
Bitmap newBitmap = new Bitmap(intWidth, intHeight);
Bitmap oldBitmap = (Bitmap)this.pictureBox1.Image;
Color pixel;
Random rnd = new Random();
for(int x = intWidth;x > 1;x--)
{
for(int y = intHeight;y > 1;y--)
{
int iModel = 5;
int i = x - iModel;
if(i > 1)
{
int j = y - iModel;
if(j > 1)
{
int iPos = rnd.Next(100000) % iModel;
pixel = oldBitmap.GetPixel(i iPos, j iPos);
newBitmap.SetPixel(i, j, pixel);
}
}
}
}
this.pictureBox1.Image = newBitmap;
撤回上一步ToolStripMenuItem.Enabled = true;
label1.Text = "已完成图片操作：“油画”！";
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void 保存SToolStripMenuItem_Click(object sender, EventArgs e)
{
System.IO.FileStream picture = null;
try
{
Bitmap bmp = new Bitmap(pictureBox1.Image);
s = new Bitmap(pictureBox1.Image);
bmp.Save(open);
MessageBox.Show("保存成功");
label1.Text = "保存成功！";
this.Text = "图片编辑器——" open;
baocun = new Bitmap(pictureBox1.Image);
save = 0;
save = 0;
this.Text = "图片编辑器——" open;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
label1.Text = "保存失败！";
}
finally
{
if (picture != null)
{
picture.Close();
picture.Dispose();
}
}
}
private void 旋转180ToolStripMenuItem_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
Image myImage = pictureBox1.Image;
myImage.RotateFlip(RotateFlipType.Rotate180FlipNone);
pictureBox1.Image = myImage;
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
label1.Text = "已旋转180°！";
}
private void 顺时针旋转90ToolStripMenuItem1_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
Image myImage = pictureBox1.Image;
myImage.RotateFlip(RotateFlipType.Rotate270FlipXY);
pictureBox1.Image = myImage;
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
label1.Text = "已顺时针旋转90°！";
}
private void 逆时针旋转90ToolStripMenuItem1_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
Image myImage = pictureBox1.Image;
myImage.RotateFlip(RotateFlipType.Rotate90FlipXY);
pictureBox1.Image = myImage;
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
label1.Text = "已逆时针旋转90°！";
}
private void 垂直旋转ToolStripMenuItem1_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
Image myImage = pictureBox1.Image;
myImage.RotateFlip(RotateFlipType.Rotate180FlipX);
pictureBox1.Image = myImage;
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
label1.Text = "已垂直旋转！";
}
private void 水平旋转ToolStripMenuItem1_Click(object sender, EventArgs e)
{
label1.Text = "正在完成图片操作，可能会出现程序未响应的情况。请稍等一段时间，如果等待时间过长，请重新启动程序！";
shangyibu = new Bitmap(pictureBox1.Image);
Thread.Sleep(500);
Image myImage = pictureBox1.Image;
myImage.RotateFlip(RotateFlipType.Rotate180FlipY);
pictureBox1.Image = myImage;
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
save = 1;
this.Text = "*图片编辑器——" open;
label1.Text = "已水平旋转！";
}
private void 旋转ToolStripMenuItem1_Click(object sender, EventArgs e)
{
}
private void 还原为最初照片ToolStripMenuItem_Click(object sender, EventArgs e)
{
DialogResult aaa = MessageBox.Show("你确定要还原为未修改过的原照片吗？\n还原后可以点击“撤销”键还原（只能还原上一次操作）", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Asterisk);
if(aaa == DialogResult.Yes)
{
pictureBox1.Image = huanyuan;
撤回上一步ToolStripMenuItem.Enabled = true;
还原为最初照片ToolStripMenuItem.Enabled = false;
if(pictureBox1.Image!= s)
{
save = 1;
this.Text = "*图片编辑器——" open;
}
else
{
save = 0;
this.Text = "图片编辑器——" open;
}
}
}
Bitmap shangyibu,huanyuanshangyibu;
private void 撤回上一步ToolStripMenuItem_Click(object sender, EventArgs e)
{
huanyuanshangyibu = new Bitmap(pictureBox1.Image);
pictureBox1.Image = shangyibu;
撤回上一步ToolStripMenuItem.Enabled = false;
还原上一步操作ToolStripMenuItem.Enabled = true;
还原为最初照片ToolStripMenuItem.Enabled = true;
if (pictureBox1.Image != s)
{
save = 1;
this.Text = "*图片编辑器——" open;
}
else
{
save = 0;
this.Text = "图片编辑器——" open;
}
}
private void 还原上一步操作ToolStripMenuItem_Click(object sender, EventArgs e)
{
pictureBox1.Image = huanyuanshangyibu;
shangyibu = new Bitmap(pictureBox1.Image);
撤回上一步ToolStripMenuItem.Enabled = true;
还原上一步操作ToolStripMenuItem.Enabled = false;
还原为最初照片ToolStripMenuItem.Enabled = true;
if (pictureBox1.Image != s)
{
save = 1;
this.Text = "*图片编辑器——" open;
}
else
{
save = 0;
this.Text = "图片编辑器——" open;
}
}
}
}
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