做网站排名推广效果怎么样,wordpress修改头像插件,公司网站首页布局图,管理系统admin入口最近由于某种原因呢#xff0c;需要做一下拍照的功能#xff0c;本来我纠结到底用AForge类库还是用WPFMediaKit.dll #xff0c;不过后来看网上说WPFMediaKit.dll 是截图而AForge是直接通过摄像头拍照#xff0c;于是乎#xff0c;我就选择了AForge类库。 首先留下发帖时我…最近由于某种原因呢需要做一下拍照的功能本来我纠结到底用AForge类库还是用WPFMediaKit.dll 不过后来看网上说WPFMediaKit.dll 是截图而AForge是直接通过摄像头拍照于是乎我就选择了AForge类库。 首先留下发帖时我所用的AForge 链接https://pan.baidu.com/s/1htmOjPi 密码tovd 第一步 将AForge中的DLL添加进引用然后添加引用System.DrawingSystem.Windows.FormsWindowsFormsIntegration 第二步 加上 xmlns:wfi clr-namespace:System.Windows.Forms.Integration;assemblyWindowsFormsIntegration xmlns:aforge clr-namespace:AForge.Controls;assemblyAForge.Controls 还有 wfi:WindowsFormsHost Grid.Row0 HorizontalAlignmentLeft Width517 Height320 VerticalAlignmentTop aforge:VideoSourcePlayer x:Nameplayer Height480 Width640/ /wfi:WindowsFormsHost 下面贴详细代码 MainWindow.xaml Window x:ClassFaceOne.MainWindowxmlnshttp://schemas.microsoft.com/winfx/2006/xaml/presentationxmlns:xhttp://schemas.microsoft.com/winfx/2006/xamlxmlns:dhttp://schemas.microsoft.com/expression/blend/2008xmlns:mchttp://schemas.openxmlformats.org/markup-compatibility/2006xmlns:localclr-namespace:FaceOnexmlns:wfi clr-namespace:System.Windows.Forms.Integration;assemblyWindowsFormsIntegrationxmlns:aforge clr-namespace:AForge.Controls;assemblyAForge.Controlsmc:IgnorabledTitleMainWindow Height600 Width800 LoadedWindow_LoadedGridwfi:WindowsFormsHost Grid.Row0 HorizontalAlignmentLeft Width517 Height320 VerticalAlignmentTopaforge:VideoSourcePlayer x:Nameplayer Height480 Width640//wfi:WindowsFormsHostButton x:NameconnectBtn Content连接 HorizontalAlignmentLeft Margin53,439,0,0 VerticalAlignmentTop Width75 ClickconnectBtn_Click/Button x:NamecaptureBtn Content拍照 HorizontalAlignmentLeft Margin180,439,0,0 VerticalAlignmentTop Width75 ClickcaptureBtn_Click/Button x:NamecloseBtn Content断开 HorizontalAlignmentLeft Margin312,439,0,0 VerticalAlignmentTop Width75 ClickcloseBtn_Click/Image x:NameimageCapture HorizontalAlignmentLeft Height210 Margin522,66,0,0 VerticalAlignmentTop Width239//Grid
/Window MainWindow.xaml.cs using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;namespace FaceOne
{/// summary/// MainWindow.xaml 的交互逻辑/// /summarypublic partial class MainWindow : Window{MyCapture myCapture MyCapture.Instance();public MainWindow(){InitializeComponent();}private void Window_Loaded(object sender, RoutedEventArgs e){//myCapture.sourcePlayer player;//配置好XAML后再加上这句即可看到摄像头的视图
myCapture.getCamera();//获取摄像头myCapture.saveOk ImageSaveOk;//保存照片后触发}//连接private void connectBtn_Click(object sender, RoutedEventArgs e){myCapture.CameraConn();}//拍照private void captureBtn_Click(object sender, RoutedEventArgs e){myCapture.CaputreImage();}//断开private void closeBtn_Click(object sender, RoutedEventArgs e){myCapture.CloseDevice();}//保存照片后触发(想看预览就用不想看就不需要了)private void ImageSaveOk(string str){/*//老套的赋值方式不会释放内存BitmapImage bit new BitmapImage();bit.BeginInit();bit.UriSource new Uri(AppDomain.CurrentDomain.BaseDirectorystr);bit.EndInit();imageCapture.Source bit;*/BitmapImage bmi myCapture.InitImage(str);imageCapture.Source bmi;}}
} MyCapture.cs using AForge.Controls;
using AForge.Video.DirectShow;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;namespace FaceOne
{class MyCapture{public delegate void SaveOk(string str);public SaveOk saveOk;private static MyCapture instance;public static MyCapture Instance(){if (instance null){instance new MyCapture();}return instance;}//private static FilterInfoCollection _cameraDevices;private FilterInfoCollection videoDevices;//private static VideoCaptureDevice div null;VideoCaptureDevice videoSource;public VideoSourcePlayer sourcePlayer new VideoSourcePlayer();public void getCamera(){// 获取电脑已经安装的视频设备videoDevices new FilterInfoCollection(FilterCategory.VideoInputDevice);if (videoDevices ! null videoDevices.Count 0){foreach (FilterInfo device in videoDevices){Console.WriteLine(device.Name);}//CameraConn();}}//连接并且打开摄像头public void CameraConn(){if (videoDevices.Count 0){Console.WriteLine(请插入视频设备);return;}videoSource new VideoCaptureDevice(videoDevices[0].MonikerString);//连接到第一个设备可灵活改动//videoSource.DesiredFrameSize new System.Drawing.Size(240, 320);//videoSource.DesiredFrameRate 1;
sourcePlayer.VideoSource videoSource;videoSource.Start();sourcePlayer.Start();}//截取一帧图像并保存public void CaputreImage(string filePathnull,string fileNamenull){if (sourcePlayer.VideoSource null){return;}//判断是否有这个目录如果没有则新创建这个目录/*if (!Directory.Exists(filePath)){Directory.CreateDirectory(filePath);}*/try{Image bitmap sourcePlayer.GetCurrentVideoFrame();/*if (fileName null){fileName DateTime.Now.ToString(yyyy-MM-dd-HH-mm-ss);}*///string str fileName .jpg;string str asd.jpg;//使用InitImage可以重复读写一张图不用的话就只能一直保存新的图片了bitmap.Save(str,ImageFormat.Jpeg); //想看预览就用不想看就不需要了
bitmap.Dispose();saveOk(str);}catch(Exception e){Console.WriteLine(e.Message.ToString());}}//关闭摄像头设备public void CloseDevice(){if (videoSource ! null videoSource.IsRunning){sourcePlayer.Stop();videoSource.SignalToStop();videoSource null;videoDevices null;}}//解决不同进程读取同一张图片的问题使用流来读图片public BitmapImage InitImage(string filePath){BitmapImage bitmapImage;using (BinaryReader reader new BinaryReader(File.Open(filePath, FileMode.Open))){FileInfo fi new FileInfo(filePath);byte[] bytes reader.ReadBytes((int)fi.Length);reader.Close();//image new Image();bitmapImage new BitmapImage();bitmapImage.BeginInit();bitmapImage.StreamSource new MemoryStream(bytes);bitmapImage.EndInit();bitmapImage.CacheOption BitmapCacheOption.OnLoad;//image.Source bitmapImage;reader.Dispose();}return bitmapImage;}}
} 转载于:https://www.cnblogs.com/lingLuoChengMi/p/8466559.html
