add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
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+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="StepBSplineCurveWithKnots.cs"
+//     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 StepKnotType
+    {
+
+        UniformKnots,
+        QuasiUniformKnots,
+        PiecewiseBezierKnots,
+        Unspecified
+
+    }
+
+;
+
+    public class StepBSplineCurveWithKnots : StepBSplineCurve, IExpConvertableFrom<StepBSplineCurveWithKnots>
+    {
+
+        private const string PIECEWISE_BEZIER_KNOTS = "PIECEWISE_BEZIER_KNOTS";
+        private const string QUASI_UNIFORM_KNOTS = "QUASI_UNIFORM_KNOTS";
+
+        private const string UNIFORM_KNOTS = "UNIFORM_KNOTS";
+        private const string UNSPECIFIED = "UNSPECIFIED";
+
+        public StepBSplineCurveWithKnots(
+               StepModel model,
+               IEnumerable<StepCartesianPoint> controlPoints )
+            : base( model, controlPoints ) { }
+
+        public StepBSplineCurveWithKnots(
+               StepModel model,
+               params StepCartesianPoint[] controlPoints )
+            : base( model, controlPoints ) { }
+
+        public List<int> KnotMultiplicities { get; } = new List<int>();
+
+        public List<double> Knots { get; } = new List<double>();
+
+        public override StepItemType ItemType => StepItemType.BSplineCurveWithKnots;
+
+        public StepKnotType KnotSpec { get; set; } = StepKnotType.Unspecified;
+
+        public void FromInstance( StepBSplineCurveWithKnots entity )
+        {
+            base.FromInstance( entity );
+            KnotSpec = entity.KnotSpec;
+            KnotMultiplicities.Clear();
+            KnotMultiplicities.AddRange( entity.KnotMultiplicities );
+            Knots.Clear();
+            Knots.AddRange( entity.Knots );
+        }
+
+        internal static StepBSplineCurveWithKnots FromSyntax(
+                                                  StepModel binder,
+                                                  ExpSyntaxNode syntaxList )
+        {
+            ExpNodePresidentEnumerator enumerator = syntaxList .ToPresidentEnumerator();
+            enumerator.AssertEnumeratorCount( 9 );
+            ExpNodePresidentEnumerator controlPointsList = enumerator[ 2 ].TupleToPresidentEnumerator(
+                );
+
+            StepBSplineCurveWithKnots spline = new StepBSplineCurveWithKnots(
+                binder, new StepCartesianPoint[controlPointsList.Count] );
+            spline.Name = ( enumerator[ 0 ]as ExpStringNode )!.Value;
+            spline.Degree = ( enumerator[ 1 ] as ExpIntNode )!.Value;
+
+            for( int i = 0; i < controlPointsList.Count; i++ )
+            {
+                int j = i; // capture to avoid rebinding
+                spline.ControlPointsList[ j ] = binder[ controlPointsList[ j ] ]as StepCartesianPoint;
+            }
+
+            spline.CurveForm = ParseCurveForm( enumerator[ 3 ].CodeConvertTemplate );
+            spline.ClosedCurve = ( enumerator[ 4 ] as ExpBoolNode )!.Value;
+            spline.SelfIntersect = ( enumerator[ 5 ]as ExpBoolNode )!.Value;
+
+            ExpNodePresidentEnumerator knotMultiplicitiesList = enumerator[ 6 ].TupleToPresidentEnumerator(
+                );
+            spline.KnotMultiplicities.Clear();
+            for( int i = 0; i < knotMultiplicitiesList.Count; i++ ) {
+                spline.KnotMultiplicities.Add( ( knotMultiplicitiesList[ i ]as ExpIntNode )!.Value );
+            }
+
+            ExpNodePresidentEnumerator knotsList = enumerator[ 7 ].TupleToPresidentEnumerator();
+            spline.Knots.Clear();
+            for( int i = 0; i < knotsList.Count; i++ ) {
+                spline.Knots.Add( ( knotsList[ i ]as ExpRealNumberNode )!.Value );
+            }
+
+            spline.KnotSpec = ParseKnotSpec( enumerator[ 8 ].CodeConvertTemplate );
+
+            return spline;
+        }
+
+        private static string GetKnotSpec( StepKnotType spec )
+        {
+            return spec switch
+            {
+                StepKnotType.UniformKnots => UNIFORM_KNOTS,
+                StepKnotType.QuasiUniformKnots => QUASI_UNIFORM_KNOTS,
+                StepKnotType.PiecewiseBezierKnots => PIECEWISE_BEZIER_KNOTS,
+                StepKnotType.Unspecified => UNSPECIFIED,
+                _ => throw new NotImplementedException(),
+            };
+        }
+
+        private static StepKnotType ParseKnotSpec( string enumerationValue )
+        {
+            return enumerationValue.ToUpperInvariant() switch
+            {
+                UNIFORM_KNOTS => StepKnotType.UniformKnots,
+                QUASI_UNIFORM_KNOTS => StepKnotType.QuasiUniformKnots,
+                PIECEWISE_BEZIER_KNOTS => StepKnotType.PiecewiseBezierKnots,
+                _ => StepKnotType.Unspecified,
+            };
+        }
+
+    }
+}
+