using System.Drawing;

namespace XP.Calibration.Models;

/// <summary>
/// 椭圆拟合结果 | Ellipse fitting result
/// </summary>
public record EllipseResult
{
    public PointF Center { get; init; }
    public float LongAxis { get; init; }
    public float ShortAxis { get; init; }
    public float Angle { get; init; }
}

/// <summary>
/// 几何参数 | Geometry parameters for CT system
/// </summary>
public class GeoParams
{
    /// <summary>焦点到旋转中心距离 (mm) | Distance Source to Origin</summary>
    public double DSO { get; set; }
    /// <summary>焦点到探测器距离 (mm) | Distance Source to Detector</summary>
    public double DSD { get; set; }
    /// <summary>探测器像素大小 (mm) | Detector pixel size</summary>
    public double PixelSize { get; set; }
    /// <summary>探测器水平像素数 | Detector horizontal pixel count</summary>
    public int NDetecU { get; set; }
    /// <summary>探测器垂直像素数 | Detector vertical pixel count</summary>
    public int NDetecV { get; set; }
}

/// <summary>
/// 中心校准结果 | Center calibration result
/// </summary>
public record CenterCalibrationResult
{
    /// <summary>椭圆拟合结果</summary>
    public EllipseResult Ellipse { get; init; } = null!;
    /// <summary>倾斜角 (度) | Tilt angle in degrees</summary>
    public double AlphaDeg { get; init; }
    /// <summary>反算半径 R (mm)</summary>
    public double R_mm { get; init; }
    /// <summary>透视偏移量 (像素) | Perspective offset in pixels</summary>
    public double DeltaPx { get; init; }
    /// <summary>修正后焦点投影 U 坐标</summary>
    public double FocalU { get; init; }
    /// <summary>修正后焦点投影 V 坐标</summary>
    public double FocalV { get; init; }
    /// <summary>各帧检测到的球心坐标</summary>
    public List<PointF> DetectedCenters { get; init; } = new();
}