1 | // <developer>niklas@protocol7.com</developer>
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2 | // <developer>kevin@kevlindev.com</developer>
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3 | // <completed>100</completed>
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4 |
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5 | using System;
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6 | using System.Globalization;
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7 | using System.Text.RegularExpressions;
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8 |
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9 | namespace SharpVectors.Dom.Svg
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10 | {
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11 | /// <summary>
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12 | /// Rectangles are defined as consisting of a (x,y) coordinate pair
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13 | /// identifying a minimum X value, a minimum Y value, and a width
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14 | /// and height, which are usually constrained to be non-negative.
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15 | /// </summary>
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16 | public sealed class SvgRect : ISvgRect
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17 | {
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18 | #region Static Fields
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19 |
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20 | public static readonly SvgRect Empty = new SvgRect(0,0,0,0);
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21 |
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22 | #endregion
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23 |
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24 | #region Private Fields
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25 |
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26 | private double x;
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27 | private double y;
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28 | private double width;
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29 | private double height;
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30 |
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31 | #endregion
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32 |
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33 | #region Constructors
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34 |
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35 | public SvgRect(double x, double y, double width, double height)
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36 | {
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37 | this.x = x;
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38 | this.y = y;
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39 | this.width = width;
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40 | this.height = height;
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41 | }
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42 |
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43 | public SvgRect(string str)
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44 | {
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45 | string replacedStr = Regex.Replace(str, @"(\s|,)+", ",");
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46 | string[] tokens = replacedStr.Split(new char[]{','});
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47 | if (tokens.Length == 2)
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48 | {
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49 | this.x = 0;
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50 | this.y = 0;
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51 | this.width = SvgNumber.ParseNumber(tokens[0]);
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52 | this.height = SvgNumber.ParseNumber(tokens[1]);
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53 | }
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54 | else if (tokens.Length == 4)
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55 | {
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56 | this.x = SvgNumber.ParseNumber(tokens[0]);
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57 | this.y = SvgNumber.ParseNumber(tokens[1]);
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58 | this.width = SvgNumber.ParseNumber(tokens[2]);
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59 | this.height = SvgNumber.ParseNumber(tokens[3]);
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60 | }
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61 | else
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62 | {
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63 | throw new SvgException(SvgExceptionType.SvgInvalidValueErr,
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64 | "Invalid SvgRect value: " + str);
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65 | }
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66 | }
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67 |
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68 | #endregion
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69 |
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70 | #region Public Properties
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71 |
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72 | public bool IsEmpty
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73 | {
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74 | get
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75 | {
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76 | return (width <= 0 || height <= 0);
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77 | }
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78 | }
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79 |
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80 | #endregion
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81 |
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82 | #region Public Methods
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83 |
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84 | public override string ToString()
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85 | {
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86 | return ("{X=" + this.X.ToString(CultureInfo.CurrentCulture)
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87 | + ",Y=" + this.Y.ToString(CultureInfo.CurrentCulture)
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88 | + ",Width=" + this.Width.ToString(CultureInfo.CurrentCulture)
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89 | + ",Height=" + this.Height.ToString(CultureInfo.CurrentCulture) + "}");
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90 | }
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91 |
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92 | #endregion
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93 |
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94 | #region ISvgRect Interface
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95 |
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96 | public double X
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97 | {
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98 | get
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99 | {
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100 | return x;
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101 | }
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102 | set
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103 | {
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104 | x = value;
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105 | }
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106 | }
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107 |
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108 | public double Y
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109 | {
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110 | get
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111 | {
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112 | return y;
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113 | }
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114 | set
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115 | {
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116 | y = value;
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117 | }
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118 | }
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119 |
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120 | public double Width
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121 | {
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122 | get
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123 | {
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124 | return width;
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125 | }
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126 | set
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127 | {
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128 | width = value;
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129 | }
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130 | }
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131 |
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132 | public double Height
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133 | {
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134 | get
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135 | {
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136 | return height;
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137 | }
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138 | set
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139 | {
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140 | height = value;
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141 | }
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142 | }
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143 |
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144 | #endregion
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145 | }
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146 | }
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