1 | #Region "Microsoft.VisualBasic::f532319ba203ff80910141664ccdb0f8, Microsoft.VisualBasic.Core\Extensions\Image\Math\Models\Line.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 | ' Structure Line |
35 | ' |
36 | ' Properties: Length, P1, P2, X1, X2 |
37 | ' Y1, Y2 |
38 | ' |
39 | ' Constructor: (+1 Overloads) Sub New |
40 | ' Function: ToString |
41 | ' |
42 | ' |
43 | ' /********************************************************************************/ |
44 | |
45 | #End Region |
46 | |
47 | Imports System.Drawing |
48 | Imports System.Runtime.CompilerServices |
49 | |
50 | Namespace Imaging.Math2D |
51 | |
52 | Public Structure Line |
53 | |
54 | Public Shared ReadOnly Empty As New Line |
55 | |
56 | ''' <summary> |
57 | ''' (<see cref="X1"/>, <see cref="Y1"/>) |
58 | ''' </summary> |
59 | ''' <returns></returns> |
60 | Public ReadOnly Property P1 As PointF |
61 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
62 | Get |
63 | Return New PointF(X1, Y1) |
64 | End Get |
65 | End Property |
66 | |
67 | ''' <summary> |
68 | ''' (<see cref="X2"/>, <see cref="Y2"/>) |
69 | ''' </summary> |
70 | ''' <returns></returns> |
71 | Public ReadOnly Property P2 As PointF |
72 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
73 | Get |
74 | Return New PointF(X2, Y2) |
75 | End Get |
76 | End Property |
77 | |
78 | Public ReadOnly Property Length As Double |
79 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
80 | Get |
81 | Return P1.Distance(P2) |
82 | End Get |
83 | End Property |
84 | |
85 | Public Sub New(p1 As PointF, p2 As PointF) |
86 | Me.X1 = p1.X |
87 | Me.Y1 = p1.Y |
88 | Me.X2 = p2.X |
89 | Me.Y2 = p2.Y |
90 | End Sub |
91 | |
92 | #Region "Points" |
93 | Public Property X1 As Single |
94 | Public Property X2 As Single |
95 | Public Property Y1 As Single |
96 | Public Property Y2 As Single |
97 | #End Region |
98 | |
99 | Public Overrides Function ToString() As String |
100 | Return $"[{{{X1}, {Y1}}}, {{{X2}, {Y2}}}]" |
101 | End Function |
102 | |
103 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
104 | Public Shared Widening Operator CType(pointTuple As (X#, Y#)()) As Line |
105 | Return New Line With { |
106 | .X1 = pointTuple(0).X, |
107 | .Y1 = pointTuple(0).Y, |
108 | .X2 = pointTuple(1).X, |
109 | .Y2 = pointTuple(1).Y |
110 | } |
111 | End Operator |
112 | |
113 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
114 | Public Shared Widening Operator CType(twoPoints As PointF()) As Line |
115 | Return New Line(twoPoints(0), twoPoints(1)) |
116 | End Operator |
117 | End Structure |
118 | End Namespace |