1 | #Region "Microsoft.VisualBasic::f88945d5b9a69e8946e33cab3084d3e2, Microsoft.VisualBasic.Core\Extensions\Image\GDI+\Layouts\Point2D.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Class Point2D |
35 | ' |
36 | ' Properties: Point, X, Y |
37 | ' |
38 | ' Constructor: (+4 Overloads) Sub New |
39 | ' Function: Clone, Equals, ToString |
40 | ' |
41 | ' |
42 | ' /********************************************************************************/ |
43 | |
44 | #End Region |
45 | |
46 | Imports System.Drawing |
47 | Imports sys = System.Math |
48 | |
49 | Namespace Imaging.LayoutModel |
50 | |
51 | ''' <summary> |
52 | ''' Implements a 2-dimensional point with <see cref="Double"/> precision coordinates. |
53 | ''' </summary> |
54 | <Serializable> Public Class Point2D : Implements ICloneable |
55 | |
56 | ''' <summary> |
57 | ''' Constructs a new point at (0, 0). |
58 | ''' </summary> |
59 | Public Sub New() |
60 | Me.New(0, 0) |
61 | End Sub |
62 | |
63 | ''' <summary> |
64 | ''' Constructs a new point at the location of the given point. |
65 | ''' </summary> |
66 | ''' <param name="point"> Point that specifies the location. </param> |
67 | Public Sub New(point As Point) |
68 | Me.New(point.X, point.Y) |
69 | End Sub |
70 | |
71 | ''' <summary> |
72 | ''' Constructs a new point at the location of the given point. |
73 | ''' </summary> |
74 | ''' <param name="point"> Point that specifies the location. </param> |
75 | Public Sub New(point As Point2D) |
76 | Me.New(point.X, point.Y) |
77 | End Sub |
78 | |
79 | ''' <summary> |
80 | ''' Constructs a new point at (x, y). |
81 | ''' </summary> |
82 | ''' <param name="x"> X-coordinate of the point to be created. </param> |
83 | ''' <param name="y"> Y-coordinate of the point to be created. </param> |
84 | Public Sub New(x As Double, y As Double) |
85 | Me.X = x |
86 | Me.Y = y |
87 | End Sub |
88 | |
89 | ''' <summary> |
90 | ''' Returns the x-coordinate of the point. |
91 | ''' </summary> |
92 | ''' <returns> Returns the x-coordinate. </returns> |
93 | Public Overridable Property X As Double |
94 | |
95 | ''' <summary> |
96 | ''' Returns the x-coordinate of the point. |
97 | ''' </summary> |
98 | ''' <returns> Returns the x-coordinate. </returns> |
99 | Public Overridable Property Y As Double |
100 | |
101 | ''' <summary> |
102 | ''' Returns the coordinates as a new point. |
103 | ''' </summary> |
104 | ''' <returns> Returns a new point for the location. </returns> |
105 | Public Overridable ReadOnly Property Point As Point |
106 | Get |
107 | Return New Point(CInt(Fix(sys.Round(X))), CInt(Fix(sys.Round(Y)))) |
108 | End Get |
109 | End Property |
110 | |
111 | ''' |
112 | ''' <summary> |
113 | ''' Returns true if the given object equals this rectangle. |
114 | ''' </summary> |
115 | Public Overrides Function Equals(obj As Object) As Boolean |
116 | If TypeOf obj Is Point2D Then |
117 | Dim pt As Point2D = CType(obj, Point2D) |
118 | |
119 | Return pt.X = X AndAlso pt.Y = Y |
120 | End If |
121 | |
122 | Return False |
123 | End Function |
124 | |
125 | ''' <summary> |
126 | ''' Returns a new instance of the same point. |
127 | ''' </summary> |
128 | Public Overridable Function Clone() As Object Implements ICloneable.Clone |
129 | Return New Point2D(X, Y) |
130 | End Function |
131 | |
132 | ''' <summary> |
133 | ''' Returns a <code>String</code> that represents the value |
134 | ''' of this <code>mxPoint</code>. </summary> |
135 | ''' <returns> a string representation of this <code>mxPoint</code>. </returns> |
136 | Public Overrides Function ToString() As String |
137 | Return Me.GetType().Name & "[" & X & ", " & Y & "]" |
138 | End Function |
139 | End Class |
140 | End Namespace |