| 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 |