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stgsharp/StgSharp.Model/Step/Items/StepBSplineCurve.cs
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2025-12-16 23:13:17 +08:00

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C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="StepBSplineCurve"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Model.Step;
using StgSharp.Script;
using StgSharp.Script.Express;
using System;
using System.Collections.Generic;
using System.Linq;
namespace StgSharp.Model.Step
{
public enum StepBSplineCurveForm
{
Polyline,
CircularArc,
EllipticalArc,
ParabolicArc,
HyperbolicArc,
Unspecified
}
public static class StepExpEnumValue
{
internal const string CIRCULAR_ARC = "CIRCULAR_ARC";
internal const string ELLIPTIC_ARC = "ELLIPTIC_ARC";
internal const string HYPERBOLIC_ARC = "HYPERBOLIC_ARC";
internal const string PARABOLIC_ARC = "PARABOLIC_ARC";
internal const string POLYLINE_FORM = "POLYLINE_FORM";
internal const string UNSPECIFIED = "UNSPECIFIED";
internal static HashSet<string> AllPossibleValue { get; } = [ CIRCULAR_ARC, ELLIPTIC_ARC, HYPERBOLIC_ARC, PARABOLIC_ARC, POLYLINE_FORM, UNSPECIFIED, ];
}
public class StepBSplineCurve : StepBoundedCurve, IExpConvertableFrom<StepBSplineCurve>
{
public StepBSplineCurve(StepModel model, params StepCartesianPoint[] controlPoints)
: this(model, (IEnumerable<StepCartesianPoint>)controlPoints) { }
public StepBSplineCurve(StepModel model, IEnumerable<StepCartesianPoint> controlPoints)
: base(model)
{
ControlPointsList.AddRange(controlPoints);
}
public bool ClosedCurve { get; set; }
public bool SelfIntersect { get; set; }
public int Degree { get; set; }
public List<StepCartesianPoint> ControlPointsList { get; private set; }
= new List<StepCartesianPoint>();
public StepBSplineCurveForm CurveForm { get; set; } = StepBSplineCurveForm.Unspecified;
public void FromInstance(StepBSplineCurve entity)
{
base.FromInstance(entity);
this.Degree = entity.Degree;
this.ClosedCurve = entity.ClosedCurve;
this.ControlPointsList = entity.ControlPointsList;
this.SelfIntersect = entity.SelfIntersect;
}
public override bool IsConvertableTo(string entityName)
{
return base.IsConvertableTo(entityName) || entityName == "StepBSplineCurve";
}
protected static string GetCurveFormString(StepBSplineCurveForm form)
{
return form switch
{
StepBSplineCurveForm.Polyline => StepExpEnumValue.POLYLINE_FORM,
StepBSplineCurveForm.CircularArc => StepExpEnumValue.CIRCULAR_ARC,
StepBSplineCurveForm.EllipticalArc => StepExpEnumValue.ELLIPTIC_ARC,
StepBSplineCurveForm.ParabolicArc => StepExpEnumValue.PARABOLIC_ARC,
StepBSplineCurveForm.HyperbolicArc => StepExpEnumValue.HYPERBOLIC_ARC,
StepBSplineCurveForm.Unspecified => StepExpEnumValue.UNSPECIFIED,
_ => throw new NotImplementedException(),
};
}
protected static StepBSplineCurveForm ParseCurveForm(string enumerationValue)
{
return enumerationValue.ToUpperInvariant() switch
{
StepExpEnumValue.POLYLINE_FORM => StepBSplineCurveForm.Polyline,
StepExpEnumValue.CIRCULAR_ARC => StepBSplineCurveForm.CircularArc,
StepExpEnumValue.ELLIPTIC_ARC => StepBSplineCurveForm.EllipticalArc,
StepExpEnumValue.PARABOLIC_ARC => StepBSplineCurveForm.ParabolicArc,
StepExpEnumValue.HYPERBOLIC_ARC => StepBSplineCurveForm.HyperbolicArc,
_ => StepBSplineCurveForm.Unspecified,
};
}
}
}