C# WPF项目实战(经典)
目的：输出两台摄像头图像和两路设备图像，每一路设备截图6张
主要知识：
1. 通过SDK调取摄像头图像，并对图像进行剪裁；
2. WPF中定时器DispatcherTimer用法；
3. WPF中跨线程访问控件方法
Dispatcher.Invoke((Action)delegate {}）；
区别于winform中
this.Invoke((Action)delegate {}）；
4.xml操作：
XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(AppDomain.CurrentDomain.BaseDirectory + "\\config.xml"); XmlNode settingNode = xmlDoc.DocumentElement;
XmlElement e = settingNode.SelectSingleNode("DeviceType") as XmlElement; if (e == null) { deviceType = "tps2000"; } else { deviceType = e.InnerText; }5. 带多个参数的委托
DP1 = new DataProcess(DeviceIP1, LocalPort1,0); DP1.ShowEvent1 = DrawControls1; DP1.Start();//启动线程6.多线程操作
Thread t1 = new Thread(new ThreadStart(DataRevThread)); //开启DataRevThread t1.Name = "DataRevThread"; //线程名字 t1.Start(); t1.IsBackground = true; //后台运行7. UDP接收，解码；
8. emgucv使用；
9. 工厂模式：
ModelFactory MF = new ModelFactory(); DM = MF.CreateDataModelFactory_v1(sNeed.ToString());10.信号量线程间同步
Semaphore TaskSemaphoreData = new Semaphore(0, 2560); //数据缓存队列缓存区 TaskSemaphoreRev.WaitOne(); //等待接收队列11.Bitmap转换为ImageSource
[System.Runtime.InteropServices.DllImport("gdi32.dll")] public static extern bool DeleteObject(IntPtr hObject);
public static ImageSource ChangeBitmapToImageSource(Bitmap bitmap) { IntPtr hBitmap = bitmap.GetHbitmap(); ImageSource wpfBitmap = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap( hBitmap, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
if (!DeleteObject(hBitmap)) { throw new System.ComponentModel.Win32Exception(); } return wpfBitmap; }12.Queue和list的操作
包括但是不限于以上内容
代码如下：
MainWindow.xaml：
<Fluent:RibbonWindow x:Class="thzSoftware.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:Fluent="urn:fluent-ribbon" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:wf="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms" xmlns:wfi="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration" xmlns:local="clr-namespace:thzSoftware" mc:Ignorable="d" Title="MainWindow" Height="600" Width="800" WindowStartupLocation="CenterScreen" WindowState="Maximized" Background="LightBlue" Closing="RibbonWindow_Closing"> <Grid ShowGridLines="True" > <Grid.RowDefinitions> <RowDefinition Height="*"></RowDefinition> <RowDefinition Height="10*"></RowDefinition> <RowDefinition Height="*"></RowDefinition> <RowDefinition Height="10*"></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <Label Grid.Row="0" Grid.Column="0" Name="labelCamera1Status" Content="摄像头连接状态" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Background="LightCyan"/> <wfi:WindowsFormsHost Grid.Row="1" Grid.Column="0" Background="LightGray"> <wf:PictureBox x:Name="Cam1" /> </wfi:WindowsFormsHost> <Label Grid.Row="2" Grid.Column="0" Name="labelCamera2Status" Content="摄像头连接状态" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Background="LightCyan"/> <wfi:WindowsFormsHost Grid.Row="3" Grid.Column="0" Background="LightGray"> <wf:PictureBox x:Name="Cam2" /> </wfi:WindowsFormsHost> <Label Grid.Row="0" Grid.Column="1" Name="labelThz1Status" Content="太赫兹连接状态" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Background="LightCyan"/> <Image Grid.Row="1" Grid.Column="1" Name="Thz1" /> <Label Grid.Row="2" Grid.Column="1" Name="labelThz2Status" Content="太赫兹连接状态" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Background="LightCyan"/> <Image Grid.Row="3" Grid.Column="1" Name="Thz2" /> <Image Grid.Row="1" Grid.Column="2" Name="Thz1Image1" /> <Image Grid.Row="1" Grid.Column="3" Name="Thz1Image2" /> <Image Grid.Row="1" Grid.Column="4" Name="Thz1Image3" /> <Image Grid.Row="1" Grid.Column="5" Name="Thz1Image4" /> <Image Grid.Row="1" Grid.Column="6" Name="Thz1Image5" /> <Image Grid.Row="1" Grid.Column="7" Name="Thz1Image6" /> <Image Grid.Row="3" Grid.Column="2" Name="Thz2Image1" /> <Image Grid.Row="3" Grid.Column="3" Name="Thz2Image2" /> <Image Grid.Row="3" Grid.Column="4" Name="Thz2Image3" /> <Image Grid.Row="3" Grid.Column="5" Name="Thz2Image4" /> <Image Grid.Row="3" Grid.Column="6" Name="Thz2Image5" /> <Image Grid.Row="3" Grid.Column="7" Name="Thz2Image6" /> </Grid></Fluent:RibbonWindow>
MainWindow.xaml.cs
using System;using System.Threading.Tasks;using System.Windows.Forms;using System.Windows.Threading;using MessageBox = System.Windows.MessageBox;using thzModel;using System.Drawing;using System.Windows;using System.Windows.Media.Imaging;using System.Windows.Media;using System.Xml;using Emgu.CV;using Emgu.CV.Structure;using System.Threading;using System.Drawing.Imaging;using System.Collections.Generic;using System.Windows.Controls;using Image = System.Windows.Controls.Image;
namespace thzSoftware{ /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Fluent.RibbonWindow { DispatcherTimer Cam1ReconnectTimer, Cam2ReconnectTimer; public MainWindow(){ try { InitializeComponent(); Environment.CurrentDirectory = AppDomain.CurrentDomain.BaseDirectory; init(); } catch (Exception ex) { MessageBox.Show(ex.StackTrace + ex.Message);
LogWrite.logWrite(ex.Message, ex.StackTrace);
} }
public IntPtr PictureDev1Cam { get { return Cam1.Handle; } } public IntPtr PictureDev2Cam { get { return Cam2.Handle; } } IntPtr Cam1Handle = IntPtr.Zero; IntPtr Cam2Handle = IntPtr.Zero; Camera Camera1 = new Camera(); Camera Camera2 = new Camera(); static private string Cam1IP = "192.168.1.64"; static private string Cam2IP = "192.168.1.61"; DataProcess DP1 = null, DP2 = null; object ThreadLockBitmap = new object(); List<ImageSource> thzBitmapList1 = new List<ImageSource>(); List<ImageSource> thzBitmapList2 = new List<ImageSource>(); int snapFlag1 = 0, snapFlag2 = 0; static public String DeviceType { get { return deviceType; } set { deviceType = value; } } static private string deviceType = "tps2000";
void init(){ ReadConfigXML(); Cam1Handle = PictureDev1Cam; Cam2Handle = PictureDev2Cam; Cam1.SizeMode = PictureBoxSizeMode.Zoom; Cam2.SizeMode = PictureBoxSizeMode.Zoom;
Cam1ReconnectTimer = new DispatcherTimer(); Cam1ReconnectTimer.Interval = new TimeSpan(0, 0, 3);//定时间隔3秒 Cam1ReconnectTimer.Tick += Cam1ReconnectTimer_Tick;//加载事件，敲tab键事件框架可以自己出来 Cam1ReconnectTimer.Start();
Cam2ReconnectTimer = new DispatcherTimer(); Cam2ReconnectTimer.Interval = new TimeSpan(0, 0, 3);//定时间隔3秒 Cam2ReconnectTimer.Tick += Cam2ReconnectTimer_Tick;//加载事件，敲tab键事件框架可以自己出来 Cam2ReconnectTimer.Start();
thzModel.Command.CommandUp(8);//发送启动指令
string DeviceIP1 = "192.168.1.110"; int LocalPort1 = 8007; DP1 = new DataProcess(DeviceIP1, LocalPort1,0); DP1.ShowEvent1 = DrawControls1; DP1.Start();//启动线程
string DeviceIP2 = "192.168.1.120"; int LocalPort2 = 8009; DP2 = new DataProcess(DeviceIP2, LocalPort2, 1); DP2.ShowEvent2 = DrawControls2; DP2.Start();//启动线程
} private void DrawControls1(Bitmap image, bool isWarning, bool isBlack){ Image[] iSource = { Thz1Image1, Thz1Image2, Thz1Image3, Thz1Image4, Thz1Image5, Thz1Image6 }; Dispatcher.Invoke((Action)delegate { labelThz1Status.Content = "太赫兹连接成功"; Thz1.Source = ChangeBitmapToImageSource(image);
snapFlag1++; thzBitmapList1.Add(Thz1.Source); if (thzBitmapList1.Count > 6) thzBitmapList1.RemoveAt(0); if (snapFlag1 > 8) { snapFlag1 = 0; for (int i = 0; i < thzBitmapList1.Count; i++) { iSource[i].Source = thzBitmapList1[i]; } }
}); } [System.Runtime.InteropServices.DllImport("gdi32.dll")] public static extern bool DeleteObject(IntPtr hObject);
public static ImageSource ChangeBitmapToImageSource(Bitmap bitmap){ IntPtr hBitmap = bitmap.GetHbitmap(); ImageSource wpfBitmap = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap( hBitmap, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
if (!DeleteObject(hBitmap)) { throw new System.ComponentModel.Win32Exception(); } return wpfBitmap; } private void DrawControls2(Bitmap image, bool isWarning, bool isBlack){ Image[] iSource = { Thz2Image1, Thz2Image2, Thz2Image3, Thz2Image4, Thz2Image5, Thz2Image6 }; Dispatcher.Invoke((Action)delegate { labelThz2Status.Content = "太赫兹连接成功"; Thz2.Source = ChangeBitmapToImageSource(image);
snapFlag2++; thzBitmapList2.Add(Thz2.Source); if (thzBitmapList2.Count > 6) thzBitmapList2.RemoveAt(0); if (snapFlag2 > 8) { snapFlag2 = 0; for (int i = 0; i < thzBitmapList2.Count; i++) { iSource[i].Source = thzBitmapList2[i]; } } }); }
private void ReadConfigXML(){ try { XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(AppDomain.CurrentDomain.BaseDirectory + "\\config.xml"); XmlNode settingNode = xmlDoc.DocumentElement;
XmlElement e = settingNode.SelectSingleNode("DeviceType") as XmlElement; if (e == null) { deviceType = "tps2000"; } else { deviceType = e.InnerText; } } catch (Exception ex) { LogWrite.logWrite(ex.Message, ex.StackTrace); } } private void ConnectCamera(int whitch){ try { string userName = "admin"; string password = "a123456."; int PortCamera = 8000; if (whitch == 1) { labelCamera1Status.Content = "摄像头连接中..."; Task.Run(() => { if (!Camera1.ConnectCamera(Cam1IP, PortCamera, userName, password)) { Dispatcher.Invoke((Action)delegate { labelCamera1Status.Content = "摄像头连接失败"; }); } else { Dispatcher.Invoke((Action)delegate { labelCamera1Status.Content = "摄像头连接成功"; }); Camera1.Preview(Cam1Handle); Camera1.AdjustMirrorPara(1); Cam1ReconnectTimer.Stop(); } }); } else { labelCamera2Status.Content = "摄像头连接中..."; Task.Run(() => { if (!Camera2.ConnectCamera(Cam2IP, PortCamera, userName, password)) { Dispatcher.Invoke((Action)delegate { labelCamera2Status.Content = "摄像头连接失败"; }); } else { Dispatcher.Invoke((Action)delegate { labelCamera2Status.Content = "摄像头连接成功"; }); Camera2.Preview(Cam2Handle); Camera2.AdjustMirrorPara(1); Cam2ReconnectTimer.Stop(); } }); } } catch (Exception ex) { MessageBox.Show(ex.StackTrace + ex.Message); LogWrite.logWrite(ex.Message, ex.StackTrace); } } private void Cam1ReconnectTimer_Tick(object sender, EventArgs e){ ConnectCamera(1);
}
private void RibbonWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e){ thzModel.Command.CommandUp(0);//发送停止指令 //Application.Exit();
}
private void Cam2ReconnectTimer_Tick(object sender, EventArgs e){ ConnectCamera(2); }
}
}
其余部分代码太长，不贴了，需要的话自己下载：百度网盘
链接：https://pan.baidu.com/s/1k2F0C-0gXX-tK_32m_ksOA
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