source: branches/HeuristicLab.Problems.GrammaticalOptimization/SharpVectorModel/BasicTypes/SvgRect.cs @ 13918

// <developer>niklas@protocol7.com</developer>
// <developer>kevin@kevlindev.com</developer>
// <completed>100</completed>

using System;
using System.Globalization;
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>
    public sealed class SvgRect : ISvgRect
  {
        #region Static Fields

        public static readonly SvgRect Empty = new SvgRect(0,0,0,0);
        
        #endregion

        #region Private Fields

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

    #region Constructors

        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 == 2)
      {
        this.x      = 0;
        this.y      = 0;
        this.width  = SvgNumber.ParseNumber(tokens[0]);
        this.height = SvgNumber.ParseNumber(tokens[1]);
      }
            else if (tokens.Length == 4)
            {
                this.x      = SvgNumber.ParseNumber(tokens[0]);
                this.y      = SvgNumber.ParseNumber(tokens[1]);
                this.width  = SvgNumber.ParseNumber(tokens[2]);
                this.height = SvgNumber.ParseNumber(tokens[3]);
            }
      else
      {
        throw new SvgException(SvgExceptionType.SvgInvalidValueErr, 
                    "Invalid SvgRect value: " + str);
      }
    }

        #endregion

    #region Public Properties

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

    #endregion

        #region Public Methods

        public override string ToString()
    {
            return ("{X=" + this.X.ToString(CultureInfo.CurrentCulture) 
                + ",Y=" + this.Y.ToString(CultureInfo.CurrentCulture) 
                + ",Width=" + this.Width.ToString(CultureInfo.CurrentCulture) 
                + ",Height=" + this.Height.ToString(CultureInfo.CurrentCulture) + "}");
        }

        #endregion

        #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
  }
}