1 | /* |
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2 | * $Id: Point2D.java,v 1.4 2003/08/22 23:02:40 dwd Exp $ |
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3 | * |
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4 | * This software is provided by NOAA for full, free and open release. It is |
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5 | * understood by the recipient/user that NOAA assumes no liability for any |
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6 | * errors contained in the code. Although this software is released without |
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7 | * conditions or restrictions in its use, it is expected that appropriate |
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8 | * credit be given to its author and to the National Oceanic and Atmospheric |
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9 | * Administration should the software be included by the recipient as an |
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10 | * element in other product development. |
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11 | */ |
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12 | |
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13 | package gov.noaa.pmel.util; |
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14 | |
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15 | import java.io.Serializable; |
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16 | |
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17 | /** |
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18 | * Point2D will be part of java.java2d. |
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19 | * |
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20 | * @author Donald Denbo |
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21 | * @version $Revision: 1.4 $, $Date: 2003/08/22 23:02:40 $ |
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22 | * @since sgt 1.0 |
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23 | */ |
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24 | public abstract class Point2D implements Serializable, Cloneable { |
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25 | /** |
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26 | * Inner class for <code>Point2D</code> for type |
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27 | * <code>double</code>. |
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28 | * @since sgt 1.0 |
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29 | */ |
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30 | public static class Double extends Point2D { |
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31 | /** x coordinate */ |
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32 | public double x; |
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33 | /** y coordinate */ |
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34 | public double y; |
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35 | /** |
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36 | * Default constructor |
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37 | */ |
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38 | public Double() { |
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39 | } |
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40 | public Double(double x,double y) { |
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41 | this.x = x; |
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42 | this.y = y; |
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43 | } |
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44 | /** |
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45 | * Test for equality. Both x and y coordinates must be equal for |
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46 | * equality. |
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47 | */ |
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48 | public boolean equals(Point2D.Double pt) { |
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49 | return (x == pt.x && y == pt.y) ; |
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50 | } |
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51 | /** |
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52 | * @since sgt 3.0 |
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53 | */ |
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54 | public boolean equals(Object pt) { |
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55 | if(pt instanceof Point2D.Double) { |
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56 | Point2D.Double pt2 = (Point2D.Double)pt; |
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57 | return (x == pt2.x) && (y == pt2.y); |
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58 | } else { |
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59 | return false; |
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60 | } |
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61 | } |
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62 | public String toString() { |
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63 | return new String("(" + x + ", " + y + ")"); |
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64 | } |
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65 | /** |
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66 | * Make a copy of the <code>Rectangle2D</code>. |
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67 | * @since sgt 3.0 |
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68 | */ |
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69 | public Point2D copy() { |
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70 | try { |
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71 | return (Point2D)clone(); |
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72 | } catch (CloneNotSupportedException e) { |
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73 | return null; |
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74 | } |
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75 | } |
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76 | } |
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77 | /** |
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78 | * Inner class for <code>Point2D</code> for type |
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79 | * <code>float</code>. |
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80 | * @since sgt 2.0 |
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81 | */ |
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82 | public static class Float extends Point2D { |
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83 | /** x coordinate */ |
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84 | public float x; |
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85 | /** y coordinate */ |
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86 | public float y; |
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87 | /** |
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88 | * Default constructor |
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89 | */ |
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90 | public Float() { |
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91 | } |
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92 | public Float(float x,float y) { |
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93 | this.x = x; |
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94 | this.y = y; |
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95 | } |
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96 | /** |
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97 | * Test for equality. Both x and y coordinates must be equal for |
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98 | * equality. |
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99 | */ |
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100 | public boolean equals(Point2D.Float pt) { |
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101 | return (x == pt.x && y == pt.y) ; |
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102 | } |
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103 | /** |
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104 | * @since sgt 3.0 |
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105 | */ |
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106 | public boolean equals(Object pt) { |
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107 | if(pt instanceof Point2D.Float) { |
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108 | Point2D.Float pt2 = (Point2D.Float)pt; |
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109 | return (x == pt2.x) && (y == pt2.y); |
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110 | } else { |
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111 | return false; |
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112 | } |
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113 | } |
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114 | public String toString() { |
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115 | return new String("(" + x + ", " + y + ")"); |
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116 | } |
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117 | /** |
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118 | * Make a copy of the <code>Rectangle2D</code>. |
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119 | * @since sgt 3.0 |
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120 | */ |
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121 | public Point2D copy() { |
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122 | try { |
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123 | return (Point2D)clone(); |
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124 | } catch (CloneNotSupportedException e) { |
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125 | return null; |
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126 | } |
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127 | } |
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128 | } |
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129 | /** |
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130 | * This is an abstract class that cannot be instantiated directly. |
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131 | * Type-specific implementation subclasses are available for |
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132 | * instantiation and provide a number of formats for storing |
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133 | * the information necessary to satisfy the various accessor |
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134 | * methods below. |
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135 | * |
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136 | */ |
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137 | protected Point2D() { |
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138 | } |
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139 | } |
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