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Imports System.Collections.Generic
Imports System.Linq
Imports System.Xml.Linq
Imports DWSIM.Interfaces
Imports Interfaces = DWSIM.Interfaces
Imports DWSIM.DrawingTools.Point
Imports DWSIM.Interfaces.Enums.GraphicObjects
Namespace GraphicObjects
Public MustInherit Class GraphicObjectExtension
Implements IGraphicObjectExtension, ICustomXMLSerialization
Public Function GetPaint(color As SKColor)
Dim p As New SKPaint
With p
.IsAntialias = GlobalSettings.Settings.DrawingAntiAlias
.Color = color
.IsStroke = False
End With
Return p
End Function
Public Function GetStrokePaint(color As SKColor, StrokeWidth As Single)
Dim p As New SKPaint
With p
.IsAntialias = GlobalSettings.Settings.DrawingAntiAlias
.Color = color
.IsStroke = True
.StrokeWidth = StrokeWidth
End With
Return p
End Function
Public Function MeasureString(text As String, paint As SKPaint) As SKSize
Dim trect As New SKRect(0, 0, 2, 2)
paint.GetTextPath(text, 0, 0).GetBounds(trect)
Return New SKSize(trect.Width, trect.Height)
End Function
Public Overridable Function LoadData(data As System.Collections.Generic.List(Of System.Xml.Linq.XElement)) As Boolean Implements ICustomXMLSerialization.LoadData
XMLSerializer.XMLSerializer.Deserialize(Me, data)
Return True
End Function
Public Overridable Function SaveData() As System.Collections.Generic.List(Of System.Xml.Linq.XElement) Implements ICustomXMLSerialization.SaveData
Dim elements As List(Of XElement) = XMLSerializer.XMLSerializer.Serialize(Me)
Dim ci As Globalization.CultureInfo = Globalization.CultureInfo.InvariantCulture
Return elements
End Function
Public Function GetBoundsRectangle() As SKRect
Return New SKRect(Owner.X + RelativePosition.X, Owner.Y + RelativePosition.Y, Width, Height)
End Function
Public Shared Function ReturnInstance(typename As String) As IGraphicObjectExtension
Dim t As Type = Type.GetType(typename, False)
If Not t Is Nothing Then Return Activator.CreateInstance(t) Else Return Nothing
End Function
#Region "Constructors"
Public Sub New()
End Sub
Public Sub New(ByVal position As SKPoint, owner As IGraphicObject)
Me.New()
_relposition = New Point(position.X, position.Y)
Me.Owner = owner
End Sub
#End Region
Public Sub DrawRoundRect(ByVal g As Object, ByVal x As Integer, ByVal y As Integer, ByVal width As Integer, ByVal height As Integer, ByVal radius As Integer, ByVal myBrush As SKPaint)
If width / 2 < radius Then
radius = width / 2 - 2
ElseIf height / 2 < radius Then
radius = height / 2 - 2
End If
Dim gp As SKPath = New SKPath()
gp.AddRoundedRect(New SKRect(x, y, x + width, y + height), radius, radius, SKPathDirection.Clockwise)
gp.Close()
DirectCast(g, SKCanvas).DrawPath(gp, myBrush)
End Sub
Public Property Active As Boolean Implements IGraphicObjectExtension.Active
Public Function Clone() As IGraphicObjectExtension Implements IGraphicObjectExtension.Clone
Return Nothing
End Function
Public Property Description As String Implements IGraphicObjectExtension.Description
Public MustOverride Sub Draw(surface As Object) Implements IGraphicObjectExtension.Draw
Public Property Height As Integer Implements IGraphicObjectExtension.Height
Public Function HitTest(zoomedSelection As Object) As Boolean Implements IGraphicObjectExtension.HitTest
Dim rect As SKRect = DirectCast(zoomedSelection, SKRect)
Return rect.Left <= Owner.X + RelativePosition.X And rect.Top <= Owner.Y + RelativePosition.Y And rect.Right >= Owner.X + RelativePosition.X + Width And rect.Bottom >= Owner.Y + RelativePosition.Y + Height
End Function
Public Property Name As String Implements IGraphicObjectExtension.Name
Public Property Owner As IGraphicObject Implements IGraphicObjectExtension.Owner
Private _relposition As New Point
Public Property RelativePosition As IPoint Implements IGraphicObjectExtension.RelativePosition
Get
Return _relposition
End Get
Set(value As IPoint)
_relposition = value
End Set
End Property
Public Property Selected As Boolean Implements IGraphicObjectExtension.Selected
Public Property Tag As String Implements IGraphicObjectExtension.Tag
Public Property Width As Integer Implements IGraphicObjectExtension.Width
End Class
End Namespace
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