49 lines
1.4 KiB
C#
49 lines
1.4 KiB
C#
using StructureHelperCommon.Infrastructures.Interfaces;
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using StructureHelperCommon.Services;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Shapes;
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namespace StructureHelperCommon.Models.Shapes
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{
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public class PolygonUpdateStrategy : IUpdateStrategy<IPolygonShape>
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{
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public void Update(IPolygonShape targetObject, IPolygonShape sourceObject)
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{
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CheckObject.IsNull(sourceObject);
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CheckObject.IsNull(targetObject);
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if (ReferenceEquals(targetObject, sourceObject)) { return; }
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// Update simple properties
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targetObject.IsClosed = sourceObject.IsClosed;
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// Replace vertices
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targetObject.Clear();
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foreach (var vertex in sourceObject.Vertices)
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{
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// Copy the underlying point into a new vertex
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Vertex newVertex = GetVertexClone(vertex);
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targetObject.AddVertex(newVertex);
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}
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}
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private static Vertex GetVertexClone(IVertex vertex)
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{
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Point2D newVertexPoint = new(Guid.NewGuid())
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{
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X = vertex.Point.X,
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Y = vertex.Point.Y
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};
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Vertex newVertex = new(Guid.NewGuid())
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{
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Point = newVertexPoint
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};
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return newVertex;
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}
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}
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}
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