www.pudn.com > netdxf-14863.zip > Line.cs, change:2011-11-15,size:6587b

#region netDxf, Copyright(C) 2009 Daniel Carvajal, Licensed under LGPL. 
 
//                        netDxf library 
// Copyright (C) 2009 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 netDxf.Tables; 
 
namespace netDxf.Entities 
{ 
    /// <summary> 
    /// Represents a line <see cref="netDxf.Entities.IEntityObject">entity</see>. 
    /// </summary> 
    public class Line : 
        DxfObject, 
        IEntityObject 
    { 
        #region private fields 
 
        private const EntityType TYPE = EntityType.Line; 
        private Vector3f startPoint; 
        private Vector3f endPoint; 
        private float thickness; 
        private AciColor color; 
        private Layer layer; 
        private LineType lineType; 
        private Vector3f normal; 
        private Dictionary<ApplicationRegistry, XData> xData; 
 
        #endregion 
 
        #region constructors 
 
        /// <summary> 
        /// Initializes a new instance of the <c>Line</c> class. 
        /// </summary> 
        /// <param name="startPoint">Line <see cref="Vector3f">start point.</see></param> 
        /// <param name="endPoint">Line <see cref="Vector3f">end point.</see></param> 
        public Line(Vector3f startPoint, Vector3f endPoint)  
            : base(DxfObjectCode.Line) 
        { 
            this.startPoint = startPoint; 
            this.endPoint = endPoint; 
            this.thickness = 0.0f; 
            this.layer = Layer.Default; 
            this.color = AciColor.ByLayer; 
            this.lineType = LineType.ByLayer; 
            this.normal = Vector3f.UnitZ; 
        } 
 
        /// <summary> 
        /// Initializes a new instance of the <c>Line</c> class. 
        /// </summary> 
        public Line() 
            : base(DxfObjectCode.Line) 
        { 
            this.startPoint = Vector3f.Zero; 
            this.endPoint = Vector3f.Zero; 
            this.thickness = 0.0f; 
            this.layer = Layer.Default; 
            this.color = AciColor.ByLayer; 
            this.lineType = LineType.ByLayer; 
            this.normal = Vector3f.UnitZ; 
        } 
 
        #endregion 
 
        #region public properties 
 
        /// <summary> 
        /// Gets or sets the line <see cref="netDxf.Vector3f">start point</see>. 
        /// </summary> 
        public Vector3f StartPoint 
        { 
            get { return this.startPoint; } 
            set { this.startPoint = value; } 
        } 
 
        /// <summary> 
        /// Gets or sets the line <see cref="netDxf.Vector3f">end point</see>. 
        /// </summary> 
        public Vector3f EndPoint 
        { 
            get { return this.endPoint; } 
            set { this.endPoint = value; } 
        } 
 
        /// <summary> 
        /// Gets or sets the line thickness. 
        /// </summary> 
        public float Thickness 
        { 
            get { return this.thickness ; } 
            set { this.thickness = value; } 
        } 
 
        /// <summary> 
        /// Gets or sets the line <see cref="netDxf.Vector3f">normal</see>. 
        /// </summary> 
        public Vector3f Normal 
        { 
            get { return this.normal; } 
            set 
            { 
                if (Vector3f.Zero == value) 
                    throw new ArgumentNullException("value","The normal can not be the zero vector"); 
                value.Normalize(); 
                this.normal = value; 
            } 
        } 
 
        #endregion 
 
        #region IEntityObject Members 
 
       /// <summary> 
        /// Gets the entity <see cref="netDxf.Entities.EntityType">type</see>. 
        /// </summary> 
        public EntityType Type 
        { 
            get { return TYPE; } 
        } 
 
        /// <summary> 
        /// Gets or sets the entity <see cref="netDxf.AciColor">color</see>. 
        /// </summary> 
        public AciColor Color 
        { 
            get { return this.color; } 
            set 
            { 
                if (value == null) 
                    throw new ArgumentNullException("value"); 
                this.color = value; 
            } 
        } 
 
        /// <summary> 
        /// Gets or sets the entity <see cref="netDxf.Tables.Layer">layer</see>. 
        /// </summary> 
        public Layer Layer 
        { 
            get { return this.layer; } 
            set 
            { 
                if (value == null) 
                    throw new ArgumentNullException("value"); 
                this.layer = value; 
            } 
        } 
 
        /// <summary> 
        /// Gets or sets the entity <see cref="netDxf.Tables.LineType">line type</see>. 
        /// </summary> 
        public LineType LineType 
        { 
            get { return this.lineType; } 
            set 
            { 
                if (value == null) 
                    throw new ArgumentNullException("value"); 
                this.lineType = value; 
            } 
        } 
 
        /// <summary> 
        /// Gets or sets the entity <see cref="netDxf.XData">extende data</see>. 
        /// </summary> 
        public Dictionary<ApplicationRegistry, XData> XData 
        { 
            get { return this.xData; } 
            set { this.xData = value; } 
        } 
 
        #endregion 
 
        #region overrides 
 
        /// <summary> 
        /// Converts the value of this instance to its equivalent string representation. 
        /// </summary> 
        /// <returns>The string representation.</returns> 
        public override string ToString() 
        { 
            return TYPE.ToString(); 
        } 
 
        #endregion 
 
    } 
}