using System;
using System.Threading.Tasks;
using OpenCvSharp;
using TeamAAS_VP.Models;
using System.Numerics;
using TeamAAS_VP.Interfaces;
namespace TeamAAS_VP.Services
{
///
/// 相机标定服务的骨架实现。实际的标定算法和数据持久化由后续实现补充。
///
public class CameraCalibrationService : ICameraCalibrationService
{
private bool _disposed;
public CameraCalibrationResult CurrentCalibration { get; private set; }
public CameraCalibrationService()
{
// 初始化内部状态
CurrentCalibration = null;
}
public async Task CalibrateAsync(Mat[] images, OpenCvSharp.Size patternSize, double squareSize)
{
// 占位实现:调用者将补充真实标定实现。
// 做最小的参数检查以避免误用。
if (images == null) throw new ArgumentNullException(nameof(images));
if (images.Length == 0) throw new ArgumentException("images 不能为空", nameof(images));
// 在后台线程上执行耗时计算的占位符
return await Task.Run(() =>
{
// TODO: 在此实现相机标定(使用 OpenCvSharp.CalibrateCamera 等)
// 当前返回空结果,表示尚未实现。
CurrentCalibration = new CameraCalibrationResult
{
Timestamp = DateTime.UtcNow,
Success = false,
Message = "未实现:请在 CameraCalibrationService 中补充标定算法。"
};
return CurrentCalibration;
});
}
public Vector3 PixelToCameraPoint(Vector2 pixel, double depth = 1.0)
{
// 占位:如果没有标定参数则抛出异常,避免误用
if (CurrentCalibration == null || !CurrentCalibration.Success) throw new InvalidOperationException("当前没有有效的标定结果。");
// TODO: 根据内参和畸变校正将像素映射到相机坐标系
return new Vector3((float)pixel.X, (float)pixel.Y, (float)depth);
}
public Vector3 CameraToRobotPoint(Vector3 cameraPoint)
{
if (CurrentCalibration == null || !CurrentCalibration.Success) throw new InvalidOperationException("当前没有有效的标定结果。");
// TODO: 使用外参(旋转+平移)将相机点变换至机器人坐标系
return cameraPoint;
}
public Vector3 RobotToCameraPoint(Vector3 robotPoint)
{
if (CurrentCalibration == null || !CurrentCalibration.Success) throw new InvalidOperationException("当前没有有效的标定结果。");
// TODO: 使用外参逆变换
return robotPoint;
}
public Vector3 EstimateCameraCenter()
{
if (CurrentCalibration == null || !CurrentCalibration.Success) throw new InvalidOperationException("当前没有有效的标定结果。");
// TODO: 根据外参估算相机在机器人坐标系中的位置
return new Vector3(0, 0, 0);
}
public void Reset()
{
CurrentCalibration = null;
}
public void Dispose()
{
if (_disposed) return;
_disposed = true;
// 释放任何非托管资源(如果有)
GC.SuppressFinalize(this);
}
}
}