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

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

namespace SharpVectors.Dom.Svg{
  /// <summary>
  /// Rectangles are defined as consisting of a (x,y) coordinate pair 
  /// identifying a minimum X value, a minimum Y value, and a width 
  /// and height, which are usually constrained to be non-negative. 
  /// </summary>
  /// <developer>niklas@protocol7.com</developer>
  /// <developer>kevin@kevlindev.com</developer>
  /// <completed>100</completed>
  public class SvgRect : ISvgRect
  {
        #region Static Fields
        public static readonly SvgRect Empty = new SvgRect(0,0,0,0);
        #endregion

        #region Fields
        private double x;
        private double y;
        private double width;
        private double height;
    #endregion

    #region Constructors
    public SvgRect(RectangleF rect)
    {
      this.x = rect.X;
      this.y = rect.Y;
      this.width = rect.Width;
      this.height = rect.Height;
    }

        public SvgRect(double x, double y, double width, double height)
        {
            this.x = x;
            this.y = y;
            this.width = width;
            this.height = height;
        }

    public SvgRect(string str)
    {
      string replacedStr = Regex.Replace(str, @"(\s|,)+", ",");
      string[] tokens = replacedStr.Split(new char[]{','});
      if(tokens.Length == 4)
      {
        this.x = SvgNumber.ParseToFloat(tokens[0]);
        this.y = SvgNumber.ParseToFloat(tokens[1]);
        this.width = SvgNumber.ParseToFloat(tokens[2]);
        this.height = SvgNumber.ParseToFloat(tokens[3]);
      }
      else
      {
        throw new SvgException(SvgExceptionType.SvgInvalidValueErr, "Invalid SvgRect value: " + str);
      }
    }
        /*
    public SvgRect(RectangleF initRect)
    {
      gdiRect = initRect;
    }
        */
    #endregion

    #region Public properties
    public bool IsEmpty
    {
      get
      {
        return ( width <= 0 || height <= 0 );
      }
    }

    public RectangleF ToRectangleF()
    {
      return new RectangleF((float)X, (float)Y, (float)Width, (float)Height);
    }
    #endregion

    public override string ToString()
    {
      return ToRectangleF().ToString();
    }

        #region ISvgRect Interface
    public double X
    {
      get
      {
        return x;
      }
      set
      {
        x = value;
      }
    }
    public double Y
    {
      get
      {
        return y;
      }
      set
      {
        y = value;
      }
    }
    public double Width
    {
      get
      {
        return width;
      }
      set
      {
        width = value;
      }
    }
    public double Height
    {
      get
      {
        return height;
      }
      set
      {
        height = value;
      }
    }
    #endregion
  }
}