KINECT学习 "kinect for Windows SDK开发入门(二)"
//教程地址连接:Kinect for Windows SDK开发入门(二)
//代码分析,绿色原文注释,红色后添加注释,灰色后添加测试代码
//创建WPF窗口程序,添加Microsoft.Kinect 引用,在主窗口中拖一个Label控件和 Image 控件
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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;
using Microsoft.Kinect;
namespace wpfKinect
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
//Kinectsensor对象
private KinectSensor kinect;
public KinectSensor Kinect
{
get
{
return this.kinect;
}
set
{
//如果带赋值的传感器和目前的不一样
if (this.kinect!=value)
{
//如果当前的传感对象不为null
if (this.kinect!=null)
{
//uninitailize当前对象
UninitializeKinectSensor(this.kinect);
this.kinect=null;
}
//如果传入的对象不为空，且状态为连接状态
if (value!=null&&value.Status==KinectStatus.Connected)
{
this.kinect=value;
InitializeKinectSensor(this.kinect);
}
}
}
}
public MainWindow()
{
InitializeComponent();
//窗口加载时,检索KINECT设备
this.Loaded += (s, e) => DiscoverKinectSensor();
//关闭窗口时,把KINECT设备置空
this.Unloaded += (s, e) => this.kinect = null;
//上面添加监听事件使用Lambda 表达式 ,Lambda 表达式其实就是匿名函数,
//详细内容参看这里 http://msdn.microsoft.com/zh-cn/library/bb397687.aspx
}
//检索设备
private void DiscoverKinectSensor()
{
//添加监听KINECT设备状态变化事件
KinectSensor.KinectSensors.StatusChanged += KinectSensors_StatusChanged;
//返回第一个状态是连接的kinect设备
this.Kinect = KinectSensor.KinectSensors.FirstOrDefault(x => x.Status == KinectStatus.Connected);
//在窗口拖一个LABEL控件,显示KINECT连接状态
if (Kinect != null)
{
//窗口启动时显示KINECT 连接状态
this.label1.Content = "Kinect Connected!";
}
}
private void KinectSensors_StatusChanged(object sender, StatusChangedEventArgs e)
{
switch (e.Status)
{
case KinectStatus.Connected:
if (this.kinect == null)
{
this.kinect = e.Sensor;
}
else
{
if (this.kinect.Status == KinectStatus.Connected)
{
UninitializeKinectSensor(this.kinect);
this.kinect = e.Sensor;
}
}
InitializeKinectSensor(this.kinect);
//窗口上显示kinect连接状态
this.label1.Content = "Kinect Connected!";
break;
case KinectStatus.Disconnected:
if (this.kinect == e.Sensor)
{
this.kinect = null;
this.kinect = KinectSensor.KinectSensors.FirstOrDefault(x => x.Status == KinectStatus.Connected);
if (this.kinect == null)
{
//TODO:通知用于Kinect已拔出
this.label1.Content = "Kinect Disconnected!!!!";
}
}
break;
//TODO:处理其他情况下的状态
default:
//窗口上显示kinect当前状态
this.label1.Content = e.Status;
break;
}
}
private void InitializeKinectSensor(KinectSensor kinectSensor)
{
if (kinectSensor != null)
{
kinectSensor.ColorStream.Enable();
kinectSensor.ColorFrameReady += new EventHandler<ColorImageFrameReadyEventArgs>(kinectSensor_ColorFrameReady);
kinectSensor.Start();
}
}
private void UninitializeKinectSensor(KinectSensor kinectSensor)
{
if (kinectSensor != null)
{
kinectSensor.Stop();
kinectSensor.ColorFrameReady -= new EventHandler<ColorImageFrameReadyEventArgs>(kinectSensor_ColorFrameReady);
}
}
void kinectSensor_ColorFrameReady(object sender, ColorImageFrameReadyEventArgs e)
{
using (ColorImageFrame frame = e.OpenColorImageFrame())
{
if (frame != null)
{
byte[] pixelData = new byte[frame.PixelDataLength];
frame.CopyPixelDataTo(pixelData);
//Image控件
ColorImageElement.Source = BitmapImage.Create(frame.Width, frame.Height, 96, 96, PixelFormats.Bgr32, null, pixelData, frame.Width * frame.BytesPerPixel);
}
}
}
}
}
//执行上面代码后窗口显示"Kinect Connected!" 和彩色画面，
//然后断开KINECT USB连接，再连接USB，再把KINECT电源断开再连上，看看是不是有不同的状态显示。