/// <summary>
/// 更新集合
/// </summary>
public static void UpdateAssembly()
{
VisionFrameAssemblys.Clear();
//遍历目录
if (Directory.Exists(VisionFrameDllRootPath))
{
var directoryInfo = new DirectoryInfo(VisionFrameDllRootPath);
foreach (var item in directoryInfo.GetDirectories())
{
//获取集合
var dllPath = $"{VisionFrameDllRootPath}/{item.Name}/{item.Name}.dll";
if (File.Exists(dllPath))
{
var assembly = Assembly.LoadFrom(dllPath);
EVisionFrameType visionFrameType = ConvertToEVisionFrameType(item.Name);
if (visionFrameType == EVisionFrameType.Unknown)
{
continue;
}
//将dll添加到集合字典中
VisionFrameAssemblys.Add(visionFrameType, assembly);
}
}
}
}
/// <summary>
/// 创建视觉框架实例
/// </summary>
/// <param name="visionFrameType">视觉框架类型</param>
/// <returns>视觉框架实例</returns>
public static IVisionFrame CreateInstance(EVisionFrameType visionFrameType)
{
try
{
if (VisionFrameAssemblys.ContainsKey(visionFrameType))
{
//创建视觉框架实例
foreach (var item in VisionFrameAssemblys[visionFrameType].ExportedTypes)
{
if (item.Name == "VisionFrame")
{
object obj = VisionFrameAssemblys[visionFrameType].CreateInstance(item.FullName);
if (obj is IVisionFrame)
{
return(obj as IVisionFrame);
}
}
}
}
throw new FileNotFoundException($"{nameof(visionFrameType)} is not found");
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// 创建Scene新实例
/// </summary>
/// <param name="sceneName">场景名</param>
/// <param name="eVisionFrame">视觉框架枚举</param>
/// <param name="visionOperaFile">算子文件路径</param>
public Scene(string sceneName, EVisionFrameType eVisionFrame, string visionOperaFile) : this(sceneName, eVisionFrame)
{
if (VisionFrame == null)
{
throw new ArgumentException("VisionFrame cannot be null");
}
if (string.IsNullOrEmpty(visionOperaFile) || !File.Exists(visionOperaFile))
{
throw new FileNotFoundException("visionOperaFile invalid");
}
//还原视觉算子
SetVisionOperaFile(visionOperaFile);
}
/// <summary>
/// 创建Scene新实例
/// </summary>
/// <param name="sceneName">场景名</param>
/// <param name="eVisionFrame">视觉框架枚举</param>
/// <param name="visionOperaFile">算子文件路径</param>
/// <param name="cameraSerial">相机序列号</param>
public Scene(string sceneName, EVisionFrameType eVisionFrame, string visionOperaFile, string cameraSerial) : this(sceneName, eVisionFrame, visionOperaFile)
{
if (VisionFrame.IsEnableCamera)
{
CameraSerial = cameraSerial;
//若相机无效,则不报异常
try
{
SetCamera(cameraSerial);
}
catch (InvalidOperationException)
{
//若打开相机失败,不抛异常
}
}
}
/// <summary>
/// 创建Scene新实例
/// </summary>
/// <param name="sceneName">场景名</param>
/// <param name="eVisionFrame">视觉框架枚举</param>
public Scene(string sceneName, EVisionFrameType eVisionFrame) : this(sceneName)
{
EVisionFrameType = eVisionFrame;
VisionFrame = VisionFrameFactory.CreateInstance(eVisionFrame);
}
