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Imports DWSIM.Interfaces
Imports DWSIM.Interfaces.Enums.GraphicObjects
Imports DWSIM.DrawingTools.Point
Namespace GraphicObjects
Public Class InputGraphic
Inherits ShapeGraphic
<Xml.Serialization.XmlIgnore> Private Font As SKTypeface
<Xml.Serialization.XmlIgnore> Public Property PointList As New List(Of Point)
#Region "Constructors"
Public Sub New()
Me.ObjectType = ObjectType.Input
End Sub
Public Sub New(ByVal graphicPosition As SKPoint, ByVal w As Double, h As Double)
Me.New()
Me.SetPosition(graphicPosition)
Me.SetSize(New SKSize(w, h))
End Sub
Public Sub New(ByVal posX As Integer, ByVal posY As Integer, ByVal w As Double, h As Double)
Me.New()
Me.SetPosition(New SKPoint(posX, posY))
Me.SetSize(New SKSize(w, h))
End Sub
#End Region
Public Overrides Sub Draw(ByVal g As Object)
Dim canvas As SKCanvas = DirectCast(g, SKCanvas)
Dim w = Width
Dim h = Height
Dim f = Height / 40.0
Dim owneri = DirectCast(Owner, IInput)
Dim currentvalue As Double
Dim SelectedObject = Owner?.GetFlowsheet.SimulationObjects.Values.Where(Function(x) x.Name = owneri.SelectedObjectID).FirstOrDefault
Dim nf = Owner?.GetFlowsheet.FlowsheetOptions.NumberFormat
If Not SelectedObject Is Nothing Then
Using aPen As New SKPaint()
With aPen
.Color = SKColors.DarkGreen.WithAlpha(200)
.StrokeWidth = 0.5
.IsStroke = True
.IsAntialias = GlobalSettings.Settings.DrawingAntiAlias
End With
SetupPositioning(ConDir.Down, ConDir.Down)
Dim path As New SKPath()
Dim points() As SKPoint = PointList.Select(Function(x) New SKPoint(x.X, x.Y)).ToArray
path.MoveTo(points(0).X, points(0).Y)
For i As Integer = 1 To points.Length - 1
path.LineTo(points(i).X, points(i).Y)
Next
canvas.DrawPath(path, aPen)
End Using
End If
If Not SelectedObject Is Nothing Then
Try
currentvalue = SharedClasses.SystemsOfUnits.Converter.ConvertFromSI(owneri.SelectedPropertyUnits, SelectedObject.GetPropertyValue(owneri.SelectedProperty))
Catch ex As Exception
End Try
End If
Dim valtext = currentvalue.ToString(nf)
If owneri.SelectedPropertyUnits <> "" Then
valtext += " " + owneri.SelectedPropertyUnits
End If
If Font Is Nothing Then
Dim assm = Me.GetType.Assembly
Using filestr As IO.Stream = assm.GetManifestResourceStream("DWSIM.Drawing.SkiaSharp.UbuntuCondensed-Regular.ttf")
Font = SKTypeface.FromStream(filestr)
End Using
End If
Dim strx, stry As Single
Using paint As New SKPaint With {.TextSize = 30.0 * f, .Color = GetForeColor(), .IsAntialias = False}
paint.Typeface = Font
Dim trect As New SKRect(0, 0, 2, 2)
paint.GetTextPath(valtext, 0, 0).GetBounds(trect)
strx = (w - trect.Width) / 2
stry = (h + trect.Height) / 2
w = trect.Width + 30 * f
strx = (w - trect.Width) / 2
Width = w
End Using
Using paint As New SKPaint With {.TextSize = 30.0 * f, .Color = GetForeColor(), .IsAntialias = True}
paint.Typeface = Font
Using paint2 As New SKPaint With {.Color = SKColors.SteelBlue, .IsStroke = False, .IsAntialias = True}
canvas.DrawRect(X - 2 * f, Y - 2 * f, w + 4 * f, h + 4 * f, paint2)
End Using
Using paint2 As New SKPaint With {.Color = GetBackColor(), .IsStroke = False, .IsAntialias = True}
canvas.DrawRect(X, Y, w, h, paint2)
End Using
canvas.DrawText(valtext, X + strx, Y + stry, paint)
End Using
Owner.Calculate()
End Sub
Public Sub SetupPositioning(StartDir As ConDir, EndDir As ConDir)
Dim SimObject = Owner?.GetFlowsheet.SimulationObjects.Values.Where(Function(x) x.Name = DirectCast(Owner, IInput).SelectedObjectID).FirstOrDefault
'posicionar pontos nos primeiros slots livres
PointList = New List(Of Point)
Dim StartPos, EndPos As New Point
StartPos = New Point(X + Width / 2, Y + Height)
EndPos = New Point(SimObject.GraphicObject.X + SimObject.GraphicObject.Width / 2, SimObject.GraphicObject.Y)
Dim DeltaX, DeltaY As Integer
DeltaX = 10
DeltaY = 10
Dim XM, YM As Double
Dim LeftTop1, RightBottom1, LeftTop2, RightBottom2 As New Point
LeftTop1.X = Me.X
LeftTop1.Y = Me.Y
RightBottom1.X = Me.X + Me.Width
RightBottom1.Y = Me.Y + Me.Height
LeftTop2.X = SimObject.GraphicObject.X
LeftTop2.Y = SimObject.GraphicObject.Y
RightBottom2.X = SimObject.GraphicObject.X + SimObject.GraphicObject.Width
RightBottom2.Y = SimObject.GraphicObject.Y + SimObject.GraphicObject.Height
'Check Rotation
If Me.Rotation >= 90 And Me.Rotation < 180 Then
If StartDir = ConDir.Left Then
StartDir = ConDir.Up
ElseIf StartDir = ConDir.Down Then
StartDir = ConDir.Left
ElseIf StartDir = ConDir.Right Then
StartDir = ConDir.Down
ElseIf StartDir = ConDir.Up Then
StartDir = ConDir.Right
End If
ElseIf Me.Rotation >= 180 And Me.Rotation < 270 Then
If StartDir = ConDir.Left Then
StartDir = ConDir.Right
ElseIf StartDir = ConDir.Down Then
StartDir = ConDir.Up
ElseIf StartDir = ConDir.Right Then
StartDir = ConDir.Left
ElseIf StartDir = ConDir.Up Then
StartDir = ConDir.Down
End If
ElseIf Me.Rotation >= 270 And Me.Rotation < 360 Then
If StartDir = ConDir.Left Then
StartDir = ConDir.Down
ElseIf StartDir = ConDir.Down Then
StartDir = ConDir.Right
ElseIf StartDir = ConDir.Right Then
StartDir = ConDir.Up
ElseIf StartDir = ConDir.Up Then
StartDir = ConDir.Left
End If
End If
If SimObject.GraphicObject.Rotation >= 90 And SimObject.GraphicObject.Rotation < 180 Then
If EndDir = ConDir.Left Then
EndDir = ConDir.Up
ElseIf EndDir = ConDir.Down Then
EndDir = ConDir.Left
ElseIf EndDir = ConDir.Right Then
EndDir = ConDir.Down
ElseIf EndDir = ConDir.Up Then
EndDir = ConDir.Right
End If
ElseIf SimObject.GraphicObject.Rotation >= 180 And SimObject.GraphicObject.Rotation < 270 Then
If EndDir = ConDir.Left Then
EndDir = ConDir.Right
ElseIf EndDir = ConDir.Down Then
EndDir = ConDir.Up
ElseIf EndDir = ConDir.Right Then
EndDir = ConDir.Left
ElseIf EndDir = ConDir.Up Then
EndDir = ConDir.Down
End If
ElseIf SimObject.GraphicObject.Rotation >= 270 And SimObject.GraphicObject.Rotation < 360 Then
If EndDir = ConDir.Left Then
EndDir = ConDir.Down
ElseIf EndDir = ConDir.Down Then
EndDir = ConDir.Right
ElseIf EndDir = ConDir.Right Then
EndDir = ConDir.Up
ElseIf EndDir = ConDir.Up Then
EndDir = ConDir.Left
End If
End If
'Apply Rotation
If Me.Rotation <> 0 Then
Dim angle_rad As Double = Me.Rotation * Math.PI / 180
Dim center As New Point(Me.X + Me.Width / 2, Me.Y + Me.Height / 2)
Dim x As Double = StartPos.X - center.X
Dim y As Double = StartPos.Y - center.Y
StartPos.X = center.X + (x * Math.Cos(angle_rad) + y * Math.Sin(angle_rad))
StartPos.Y = center.Y - (x * -Math.Sin(angle_rad) + y * Math.Cos(angle_rad))
End If
If SimObject.GraphicObject.Rotation <> 0 Then
Dim angle_rad As Double = SimObject.GraphicObject.Rotation * Math.PI / 180
Dim center As New Point(SimObject.GraphicObject.X + SimObject.GraphicObject.Width / 2, SimObject.GraphicObject.Y + SimObject.GraphicObject.Height / 2)
Dim x As Double = EndPos.X - center.X
Dim y As Double = EndPos.Y - center.Y
EndPos.X = center.X + (x * Math.Cos(angle_rad) + y * Math.Sin(angle_rad))
EndPos.Y = center.Y - (x * -Math.Sin(angle_rad) + y * Math.Cos(angle_rad))
End If
'Check Flipping
If Me.FlippedV Then
Dim center As New Point(Me.X + Me.Width / 2, Me.Y + Me.Height / 2)
Dim y As Double = StartPos.Y - center.Y
StartPos.Y = center.Y - y
If StartDir = ConDir.Down Then StartDir = ConDir.Up
If StartDir = ConDir.Up Then StartDir = ConDir.Down
End If
If Me.FlippedH Then
Dim center As New Point(Me.X + Me.Width / 2, Me.Y + Me.Height / 2)
Dim x As Double = StartPos.X - center.X
StartPos.X = center.X - x
If StartDir = ConDir.Left Then StartDir = ConDir.Right
If StartDir = ConDir.Right Then StartDir = ConDir.Left
End If
If SimObject.GraphicObject.FlippedV Then
Dim center As New Point(SimObject.GraphicObject.X + SimObject.GraphicObject.Width / 2, SimObject.GraphicObject.Y + SimObject.GraphicObject.Height / 2)
Dim y As Double = EndPos.Y - center.Y
EndPos.Y = center.Y - y
If EndDir = ConDir.Down Then EndDir = ConDir.Up
If EndDir = ConDir.Up Then EndDir = ConDir.Down
End If
If SimObject.GraphicObject.FlippedH Then
Dim center As New Point(SimObject.GraphicObject.X + SimObject.GraphicObject.Width / 2, SimObject.GraphicObject.Y + SimObject.GraphicObject.Height / 2)
Dim x As Double = EndPos.X - center.X
EndPos.X = center.X - x
If EndDir = ConDir.Left Then EndDir = ConDir.Right
If EndDir = ConDir.Right Then EndDir = ConDir.Left
End If
'Construct path of stream
PointList.Add(New Point(StartPos.X, StartPos.Y))
'================== EndDir Right =======================
If StartDir = ConDir.Down And EndDir = ConDir.Right Then
If (EndPos.X - DeltaX) > StartPos.X Then
If EndPos.Y >= StartPos.Y + DeltaY Then
PointList.Add(New Point(StartPos.X, EndPos.Y))
Else
PointList.Add(New Point(StartPos.X, StartPos.Y + DeltaY))
XM = (RightBottom1.X + LeftTop2.X) / 2
If XM < RightBottom1.X + DeltaX Then XM = LeftTop1.X - DeltaX
PointList.Add(New Point(XM, StartPos.Y + DeltaY))
PointList.Add(New Point(XM, EndPos.Y))
End If
Else
XM = EndPos.X - DeltaX
If XM > LeftTop1.X - DeltaX And EndPos.Y < StartPos.Y + DeltaY Then XM = LeftTop1.X - DeltaX
YM = (StartPos.Y + EndPos.Y) / 2
If YM > LeftTop2.Y - DeltaY And YM < RightBottom2.Y + DeltaY Then YM = RightBottom2.Y + DeltaY
If YM < StartPos.Y + DeltaY Then YM = StartPos.Y + DeltaY
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(XM, EndPos.Y))
End If
PointList.Add(New Point(EndPos.X, EndPos.Y))
End If
If StartDir = ConDir.Up And EndDir = ConDir.Right Then
If (EndPos.X - DeltaX) > StartPos.X Then
If EndPos.Y <= StartPos.Y - DeltaY Then
PointList.Add(New Point(StartPos.X, EndPos.Y))
Else
PointList.Add(New Point(StartPos.X, StartPos.Y - DeltaY))
XM = (RightBottom1.X + LeftTop2.X) / 2
If XM < RightBottom1.X + DeltaX Then XM = LeftTop1.X - DeltaX
PointList.Add(New Point(XM, StartPos.Y - DeltaY))
PointList.Add(New Point(XM, EndPos.Y))
End If
Else
XM = EndPos.X - DeltaX
If XM > LeftTop1.X - DeltaX And EndPos.Y < StartPos.Y + DeltaY Then XM = LeftTop1.X - DeltaX
YM = (StartPos.Y + EndPos.Y) / 2
If YM > LeftTop2.Y - DeltaY And YM < RightBottom2.Y + DeltaY Then YM = LeftTop2.Y - DeltaY
If YM > StartPos.Y - DeltaY Then YM = StartPos.Y - DeltaY
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(XM, EndPos.Y))
End If
PointList.Add(New Point(EndPos.X, EndPos.Y))
End If
If StartDir = ConDir.Right And EndDir = ConDir.Right Then
If (EndPos.X - DeltaX) >= (StartPos.X + DeltaX) Then
PointList.Add(New Point((StartPos.X + EndPos.X) / 2, StartPos.Y))
PointList.Add(New Point((StartPos.X + EndPos.X) / 2, EndPos.Y))
Else
PointList.Add(New Point((StartPos.X + DeltaX), StartPos.Y))
XM = EndPos.X - DeltaX
YM = (LeftTop2.Y + RightBottom1.Y) / 2
If RightBottom2.Y + DeltaY > LeftTop1.Y - DeltaY Then YM = RightBottom1.Y + DeltaY
If YM < RightBottom2.Y + DeltaY And YM > LeftTop2.Y - DeltaY Then YM = RightBottom2.Y + DeltaY
If YM < (RightBottom1.Y + LeftTop2.Y) / 2 Then YM = (RightBottom1.Y + LeftTop2.Y) / 2
PointList.Add(New Point((StartPos.X + DeltaX), YM))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(XM, EndPos.Y))
End If
End If
If StartDir = ConDir.Left And EndDir = ConDir.Right Then
If (EndPos.X - DeltaX) > StartPos.X Then
PointList.Add(New Point(StartPos.X - DeltaX, StartPos.Y))
If EndPos.Y > LeftTop1.Y - DeltaY And EndPos.Y < RightBottom1.Y + DeltaY Then
If StartPos.Y < EndPos.Y Then
YM = LeftTop1.Y - DeltaY
Else
YM = RightBottom1.Y + DeltaY
End If
PointList.Add(New Point(StartPos.X - DeltaX, YM))
PointList.Add(New Point((RightBottom1.X + LeftTop2.X) / 2, YM))
PointList.Add(New Point((RightBottom1.X + LeftTop2.X) / 2, EndPos.Y))
Else
PointList.Add(New Point(StartPos.X - DeltaX, EndPos.Y))
End If
Else
XM = StartPos.X - DeltaX
If XM > EndPos.X - DeltaX Then XM = EndPos.X - DeltaX
If StartPos.Y > LeftTop2.Y - DeltaY And StartPos.Y < RightBottom2.Y + DeltaY Then
PointList.Add(New Point((StartPos.X + RightBottom2.X) / 2, StartPos.Y))
If StartPos.Y < EndPos.Y Then
YM = LeftTop2.Y - DeltaY
Else
YM = RightBottom2.Y + DeltaY
End If
PointList.Add(New Point((StartPos.X + RightBottom2.X) / 2, YM))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(XM, EndPos.Y))
Else
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, EndPos.Y))
End If
End If
End If
'================== EndDir Down =======================
If StartDir = ConDir.Right And EndDir = ConDir.Down Then
If (EndPos.Y - DeltaY) > StartPos.Y Then
If EndPos.X >= StartPos.X + DeltaX Then
PointList.Add(New Point(EndPos.X, StartPos.Y))
Else
YM = (StartPos.Y + EndPos.Y) / 2
If YM > LeftTop2.Y - DeltaY And YM < RightBottom2.Y + DeltaY Then YM = LeftTop2.Y - DeltaY
If YM > LeftTop1.Y - DeltaY And YM < RightBottom1.Y + DeltaY Then YM = LeftTop1.Y - DeltaY
PointList.Add(New Point(StartPos.X + DeltaX, StartPos.Y))
PointList.Add(New Point(StartPos.X + DeltaX, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
Else
XM = StartPos.X + DeltaX
If XM > LeftTop2.X - DeltaX And XM < RightBottom2.X + DeltaX Then XM = RightBottom2.X + DeltaX
YM = EndPos.Y - DeltaY
If YM > LeftTop1.Y - DeltaY And YM < RightBottom1.Y + DeltaY Then YM = LeftTop1.Y - DeltaY
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
If StartDir = ConDir.Left And EndDir = ConDir.Down Then
If (EndPos.Y - DeltaY) > StartPos.Y Then
If EndPos.X <= StartPos.X - DeltaX Then
PointList.Add(New Point(EndPos.X, StartPos.Y))
Else
YM = (StartPos.Y + EndPos.Y) / 2
If YM > LeftTop2.Y - DeltaY And YM < RightBottom2.Y + DeltaY Then YM = LeftTop2.Y - DeltaY
If YM > LeftTop1.Y - DeltaY And YM < RightBottom1.Y + DeltaY Then YM = LeftTop1.Y - DeltaY
PointList.Add(New Point(StartPos.X - DeltaX, StartPos.Y))
PointList.Add(New Point(StartPos.X - DeltaX, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
Else
XM = StartPos.X - DeltaX
If XM > LeftTop2.X - DeltaX And XM < RightBottom2.X + DeltaX Then XM = LeftTop2.X - DeltaX
YM = EndPos.Y - DeltaY
If YM > LeftTop1.Y - DeltaY And YM < RightBottom1.Y + DeltaY Then YM = LeftTop1.Y - DeltaY
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
If StartDir = ConDir.Up And EndDir = ConDir.Down Then
YM = StartPos.Y - DeltaY
If YM < EndPos.Y - DeltaY Then
XM = EndPos.X
If XM > LeftTop1.X - DeltaX And XM < RightBottom1.X + DeltaX Then
XM = RightBottom1.X + DeltaX
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
YM = (RightBottom1.Y + EndPos.Y) / 2
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
Else
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
Else
YM = EndPos.Y - DeltaY
If StartPos.X > LeftTop2.X - DeltaX And StartPos.X < RightBottom2.X + DeltaX Then
XM = RightBottom2.X + DeltaX
YM = (RightBottom2.Y + StartPos.Y) / 2
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
YM = EndPos.Y - DeltaY
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
Else
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
End If
If StartDir = ConDir.Down And EndDir = ConDir.Down Then
YM = (StartPos.Y + EndPos.Y) / 2
If YM < StartPos.Y + DeltaY Then
XM = (RightBottom1.X + LeftTop2.X) / 2
If XM > LeftTop1.X - DeltaX And XM < RightBottom1.X + DeltaX Then
XM = RightBottom1.X + DeltaX
If XM > LeftTop2.X - DeltaX And XM < RightBottom2.X + DeltaX Then XM = RightBottom2.X + DeltaX
End If
PointList.Add(New Point(StartPos.X, StartPos.Y + DeltaY))
PointList.Add(New Point(XM, StartPos.Y + DeltaY))
YM = EndPos.Y - DeltaY
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
Else
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
'================== EndDir Left =======================
If StartDir = ConDir.Right And EndDir = ConDir.Left Then
If (EndPos.X + DeltaX) > (StartPos.X + DeltaX) Then
If EndPos.Y < RightBottom1.Y + DeltaY And EndPos.Y > LeftTop1.Y - DeltaY Then
If EndPos.Y < (LeftTop1.Y + RightBottom1.Y) / 2 Then
YM = RightBottom2.Y + DeltaY
Else
YM = LeftTop2.Y - DeltaY
End If
PointList.Add(New Point((StartPos.X + LeftTop2.X) / 2, StartPos.Y))
PointList.Add(New Point((StartPos.X + LeftTop2.X) / 2, YM))
PointList.Add(New Point(EndPos.X + DeltaX, YM))
PointList.Add(New Point(EndPos.X + DeltaX, EndPos.Y))
Else
PointList.Add(New Point(EndPos.X + DeltaX, StartPos.Y))
PointList.Add(New Point(EndPos.X + DeltaX, EndPos.Y))
End If
Else
PointList.Add(New Point(StartPos.X + DeltaX, StartPos.Y))
If EndPos.Y < RightBottom1.Y + DeltaY And EndPos.Y > LeftTop1.Y - DeltaY Then
If EndPos.Y < (LeftTop1.Y + RightBottom1.Y) / 2 Then
YM = LeftTop1.Y - DeltaY
Else
YM = RightBottom1.Y + DeltaY
End If
PointList.Add(New Point(StartPos.X + DeltaX, YM))
PointList.Add(New Point((RightBottom2.X + LeftTop1.X) / 2, YM))
PointList.Add(New Point((RightBottom2.X + LeftTop1.X) / 2, EndPos.Y))
Else
PointList.Add(New Point(StartPos.X + DeltaX, EndPos.Y))
End If
End If
End If
If StartDir = ConDir.Left And EndDir = ConDir.Left Then
If (EndPos.X + DeltaX) > (StartPos.X - DeltaX) Then
YM = (StartPos.Y + EndPos.Y) / 2
If YM < RightBottom1.Y + DeltaY And YM > LeftTop1.Y - DeltaY Then YM = LeftTop1.Y - DeltaY
If YM < RightBottom2.Y + DeltaY And YM > LeftTop2.Y - DeltaY Then YM = LeftTop2.Y - DeltaY
PointList.Add(New Point(StartPos.X - DeltaX, StartPos.Y))
PointList.Add(New Point(StartPos.X - DeltaX, YM))
PointList.Add(New Point(EndPos.X + DeltaX, YM))
PointList.Add(New Point(EndPos.X + DeltaX, EndPos.Y))
Else
PointList.Add(New Point((StartPos.X + EndPos.X) / 2, StartPos.Y))
PointList.Add(New Point((StartPos.X + EndPos.X) / 2, EndPos.Y))
End If
End If
If StartDir = ConDir.Down And EndDir = ConDir.Left Then
If (EndPos.X + DeltaX) < StartPos.X Then
If EndPos.Y >= StartPos.Y + DeltaY Then
PointList.Add(New Point(StartPos.X, EndPos.Y))
Else
PointList.Add(New Point(StartPos.X, StartPos.Y + DeltaY))
XM = (LeftTop1.X + RightBottom2.X) / 2
If XM > LeftTop1.X - DeltaX Then XM = RightBottom1.X + DeltaX
PointList.Add(New Point(XM, StartPos.Y + DeltaY))
PointList.Add(New Point(XM, EndPos.Y))
End If
Else
XM = EndPos.X + DeltaX
If XM < RightBottom1.X + DeltaX And EndPos.Y < StartPos.Y + DeltaY Then XM = RightBottom1.X + DeltaX
YM = (StartPos.Y + LeftTop2.Y) / 2
If YM > LeftTop2.Y - DeltaY And YM < RightBottom2.Y + DeltaY Then YM = RightBottom2.Y + DeltaY
If YM < StartPos.Y + DeltaY Then YM = StartPos.Y + DeltaY
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(XM, EndPos.Y))
End If
PointList.Add(New Point(EndPos.X, EndPos.Y))
End If
If StartDir = ConDir.Up And EndDir = ConDir.Left Then
If (EndPos.X + DeltaX) < StartPos.X Then
If EndPos.Y <= StartPos.Y - DeltaY Then
PointList.Add(New Point(StartPos.X, EndPos.Y))
Else
PointList.Add(New Point(StartPos.X, StartPos.Y - DeltaY))
XM = (LeftTop1.X + RightBottom2.X) / 2
If XM > LeftTop1.X - DeltaX Then XM = RightBottom1.X + DeltaX
PointList.Add(New Point(XM, StartPos.Y - DeltaY))
PointList.Add(New Point(XM, EndPos.Y))
End If
Else
XM = EndPos.X + DeltaX
If XM < RightBottom1.X + DeltaX And EndPos.Y > StartPos.Y - DeltaY Then XM = RightBottom1.X + DeltaX
YM = (StartPos.Y + EndPos.Y) / 2
If YM > LeftTop2.Y - DeltaY And YM < RightBottom2.Y + DeltaY Then YM = LeftTop2.Y - DeltaY
If YM > StartPos.Y - DeltaY Then YM = StartPos.Y - DeltaY
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(XM, EndPos.Y))
End If
PointList.Add(New Point(EndPos.X, EndPos.Y))
End If
'================== EndDir Up =======================
If StartDir = ConDir.Left And EndDir = ConDir.Up Then
If EndPos.X < StartPos.X - DeltaX Then
If StartPos.Y > EndPos.Y + DeltaY Then
PointList.Add(New Point(EndPos.X, StartPos.Y))
Else
XM = (StartPos.X + EndPos.X) / 2
If XM < RightBottom2.X + DeltaX Then XM = LeftTop2.X - DeltaX
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, EndPos.Y + DeltaY))
PointList.Add(New Point(EndPos.X, EndPos.Y + DeltaY))
End If
Else
XM = StartPos.X - DeltaX
If XM > LeftTop2.X - DeltaX Then XM = LeftTop2.X - DeltaX
YM = (StartPos.Y + EndPos.Y) / 2
If YM < RightBottom2.Y + DeltaY Then YM = EndPos.Y + DeltaY
If YM > LeftTop1.Y - DeltaY And YM < RightBottom1.Y + DeltaY Then YM = RightBottom1.Y + DeltaY
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
If StartDir = ConDir.Right And EndDir = ConDir.Up Then
If EndPos.X > StartPos.X + DeltaX Then
If StartPos.Y > EndPos.Y + DeltaY Then
PointList.Add(New Point(EndPos.X, StartPos.Y))
Else
XM = (StartPos.X + EndPos.X) / 2
If XM > LeftTop2.X - DeltaX Then XM = RightBottom2.X + DeltaX
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, EndPos.Y + DeltaY))
PointList.Add(New Point(EndPos.X, EndPos.Y + DeltaY))
End If
Else
XM = StartPos.X + DeltaX
If XM < RightBottom2.X + DeltaX Then XM = RightBottom2.X + DeltaX
YM = (StartPos.Y + EndPos.Y) / 2
If YM < EndPos.Y + DeltaY Then YM = EndPos.Y + DeltaY
If YM > LeftTop1.Y - DeltaY And YM < RightBottom1.Y + DeltaY Then YM = RightBottom1.Y + DeltaY
PointList.Add(New Point(XM, StartPos.Y))
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
If StartDir = ConDir.Up And EndDir = ConDir.Up Then
If EndPos.Y + DeltaY < StartPos.Y - DeltaY Then
YM = (StartPos.Y + EndPos.Y) / 2
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(EndPos.X, YM))
Else
XM = (StartPos.X + EndPos.X) / 2
If XM > LeftTop1.X - DeltaX And XM < RightBottom1.X + DeltaX Then XM = RightBottom1.X + DeltaX
If XM > LeftTop2.X - DeltaX And XM < RightBottom2.X + DeltaX Then
XM = RightBottom2.X + DeltaX
If XM > LeftTop1.X - DeltaX And XM < RightBottom1.X + DeltaX Then XM = RightBottom1.X + DeltaX
End If
PointList.Add(New Point(StartPos.X, StartPos.Y - DeltaY))
PointList.Add(New Point(XM, StartPos.Y - DeltaY))
PointList.Add(New Point(XM, EndPos.Y + DeltaY))
PointList.Add(New Point(EndPos.X, EndPos.Y + DeltaY))
End If
End If
If StartDir = ConDir.Down And EndDir = ConDir.Up Then
YM = StartPos.Y + DeltaY
XM = EndPos.X
If YM > EndPos.Y + DeltaY Then
If XM > LeftTop1.X - DeltaX And XM < RightBottom1.X + DeltaX Then
XM = RightBottom1.X + DeltaX
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
YM = (LeftTop1.Y + EndPos.Y) / 2
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
Else
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
Else
YM = EndPos.Y + DeltaY
If StartPos.X > LeftTop2.X - DeltaX And StartPos.X < RightBottom2.X + DeltaX Then
XM = RightBottom2.X + DeltaX
YM = (LeftTop1.Y + EndPos.Y) / 2
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(XM, YM))
YM = EndPos.Y + DeltaY
PointList.Add(New Point(XM, YM))
PointList.Add(New Point(EndPos.X, YM))
Else
PointList.Add(New Point(StartPos.X, YM))
PointList.Add(New Point(EndPos.X, YM))
End If
End If
End If
'finish path
PointList.Add(New Point(EndPos.X, EndPos.Y))
End Sub
End Class
End Namespace
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