netDxf/Entities/PolyfaceMesh.cs

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#region netDxf, Copyright(C) 2014 Daniel Carvajal, Licensed under LGPL.

//                        netDxf library
// Copyright (C) 2014 Daniel Carvajal (haplokuon@gmail.com)
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// 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. 

#endregion

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using netDxf.Tables;

namespace netDxf.Entities
{
    /// <summary>
    /// Represents a polyface mesh <see cref="EntityObject">entity</see>.
    /// </summary>
    /// <remarks>
    /// The maximum number of vertexes and faces that a PolyfaceMesh can have is short.MaxValue = 32767.
    /// </remarks>
    public class PolyfaceMesh :
        EntityObject
    {
        #region private fields

        private readonly List<PolyfaceMeshFace> faces;
        private readonly List<PolyfaceMeshVertex> vertexes;
        private readonly PolylineTypeFlags flags;
        private readonly EndSequence endSequence;

        #endregion

        #region constructors

        /// <summary>
        /// Initializes a new instance of the <c>PolyfaceMesh</c> class.
        /// </summary>
        /// <param name="vertexes">Polyface mesh <see cref="PolyfaceMeshVertex">vertex</see> list.</param>
        /// <param name="faces">Polyface mesh <see cref="PolyfaceMeshFace">faces</see> list.</param>
        public PolyfaceMesh(List<PolyfaceMeshVertex> vertexes, List<PolyfaceMeshFace> faces)
            : base(EntityType.PolyfaceMesh, DxfObjectCode.Polyline)
        {
            this.flags = PolylineTypeFlags.PolyfaceMesh;
            this.vertexes = vertexes;
            this.faces = faces;