SvgPathSegCurvetoCubicRel.cs :  » GUI » SharpVectorGraphics » SharpVectors » Dom » Svg » C# / CSharp Open Source

using System;
using System.Drawing;
using System.Text;

#if TEST
using NUnit.Framework;
#endif

namespace SharpVectors.Dom.Svg{
  /// <summary>
  /// Summary description for SvgPathSegCurvetoCubicRel.
  /// </summary>
  public class SvgPathSegCurvetoCubicRel : SvgPathSegCurvetoCubic, ISvgPathSegCurvetoCubicRel
  {
        #region constructors
        internal SvgPathSegCurvetoCubicRel(float x, float y, float x1, float y1, float x2, float y2) : base(SvgPathSegType.CurveToCubicRel)
        {
            this.x = x;
            this.y = y;
            this.x1 = x1;
            this.y1 = y1;
            this.x2 = x2;
            this.y2 = y2;
        }
        #endregion

        #region implementation of ISvgPathSegCurvetoCubicRel
    private float x;
    public float X
    {
      get{return x;}
      set{x = value;}
    }      

    private float y;    
    public float Y
    {
      get{return y;}
      set{y = value;}
    }      

    private float x1;    
    public float X1    
    {
      get{return x1;}
      set{x1 = value;}
    }      

    private float y1;    
    public float Y1    
    {
      get{return y1;}
      set{y1 = value;}
    }      

    private float x2;
    public float X2    
    {
      get{return x2;}
      set{x2 = value;}
    }      

    private float y2;    
    public float Y2
    {
      get{return y2;}
      set{y2 = value;}
    }
        #endregion

        #region public methods
    public override PointF AbsXY
    {
      get
      {
        SvgPathSeg prevSeg = PreviousSeg;
        PointF prevPoint;
        if(prevSeg == null) prevPoint = new PointF(0,0);
        else prevPoint = prevSeg.AbsXY;

        return new PointF(prevPoint.X + X, prevPoint.Y + Y);
      }
    }

    public override PointF CubicX1Y1
    {
      get
      {
        SvgPathSeg prevSeg = PreviousSeg;
        PointF prevPoint;
        if(prevSeg == null) prevPoint = new PointF(0,0);
        else prevPoint = prevSeg.AbsXY;
      
        return new PointF(prevPoint.X + X1, prevPoint.Y + Y1);
      }
    }

    public override PointF CubicX2Y2
    {
      get
      {
        SvgPathSeg prevSeg = PreviousSeg;
        PointF prevPoint;
        if(prevSeg == null) prevPoint = new PointF(0,0);
        else prevPoint = prevSeg.AbsXY;
      
        return new PointF(prevPoint.X + X2, prevPoint.Y + Y2);
      }
    }

    public override string PathText
    {
      get
      {
        StringBuilder sb = new StringBuilder();
        sb.Append(PathSegTypeAsLetter);
        sb.Append(X1);
        sb.Append(",");
        sb.Append(Y1);
        sb.Append(",");
        sb.Append(X2);
        sb.Append(",");
        sb.Append(Y2);
        sb.Append(",");
        sb.Append(X);
        sb.Append(",");
        sb.Append(Y);

        return sb.ToString();
      }
    }
        #endregion

        #region unit tests
        #if TEST
        [TestFixture]
        public class CubicRelTests : CubicTests
        {
            public override SvgPathSegList makeSegments()
            {
                return new SvgPathSegList("M10,10 c90,90 190,90 290,0", false);
            }

            public override SvgPathSegCurvetoCubic getTestSegment()
            {
                return (SvgPathSegCurvetoCubic) segments[1];
            }
        }
        #endif
        #endregion
  }
}