fix highlighter

Pilz.UI/DisplayHelp.vb

@@ -149,6 +149,12 @@ Public Class DisplayHelp
 
         If cornerSize = 0 Then
             path.AddRectangle(r)
+        Else
+            AddCornerArc(path, r, cornerSize, eCornerArc.TopLeft)
+            AddCornerArc(path, r, cornerSize, eCornerArc.TopRight)
+            AddCornerArc(path, r, cornerSize, eCornerArc.BottomRight)
+            AddCornerArc(path, r, cornerSize, eCornerArc.BottomLeft)
+            path.CloseAllFigures()
         End If
 
         Return path
@@ -160,4 +166,67 @@ Public Class DisplayHelp
         Return New LinearGradientBrush(New Rectangle(r.X, r.Y - 1, r.Width, r.Height + 1), color1, color2, gradientAngle)
     End Function
 
+    Public Shared Sub AddCornerArc(ByVal path As GraphicsPath, ByVal bounds As Rectangle, ByVal cornerDiameter As Integer, ByVal corner As eCornerArc)
+        If cornerDiameter > 0 Then
+            Dim a As ArcData = GetCornerArc(bounds, cornerDiameter, corner)
+            path.AddArc(a.X, a.Y, a.Width, a.Height, a.StartAngle, a.SweepAngle)
+        Else
+
+            If corner = eCornerArc.TopLeft Then
+                path.AddLine(bounds.X, bounds.Y + 2, bounds.X, bounds.Y)
+            ElseIf corner = eCornerArc.BottomLeft Then
+                path.AddLine(bounds.X + 2, bounds.Bottom, bounds.X, bounds.Bottom)
+            ElseIf corner = eCornerArc.TopRight Then
+                path.AddLine(bounds.Right - 2, bounds.Y, bounds.Right, bounds.Y)
+            ElseIf corner = eCornerArc.BottomRight Then
+                path.AddLine(bounds.Right, bounds.Bottom - 2, bounds.Right, bounds.Bottom)
+            End If
+        End If
+    End Sub
+
+    Friend Shared Function GetCornerArc(ByVal bounds As Rectangle, ByVal cornerDiameter As Integer, ByVal corner As eCornerArc) As ArcData
+        Dim a As ArcData
+        If cornerDiameter = 0 Then cornerDiameter = 1
+        Dim diameter As Integer = cornerDiameter * 2
+
+        Select Case corner
+            Case eCornerArc.TopLeft
+                a = New ArcData(bounds.X, bounds.Y, diameter, diameter, 180, 90)
+            Case eCornerArc.TopRight
+                a = New ArcData(bounds.Right - diameter, bounds.Y, diameter, diameter, 270, 90)
+            Case eCornerArc.BottomLeft
+                a = New ArcData(bounds.X, bounds.Bottom - diameter, diameter, diameter, 90, 90)
+            Case Else
+                a = New ArcData(bounds.Right - diameter, bounds.Bottom - diameter, diameter, diameter, 0, 90)
+        End Select
+
+        Return a
+    End Function
+
+    Public Enum eCornerArc
+        TopLeft
+        TopRight
+        BottomLeft
+        BottomRight
+    End Enum
+
+
+    Friend Structure ArcData
+        Public X As Integer
+        Public Y As Integer
+        Public Width As Integer
+        Public Height As Integer
+        Public StartAngle As Single
+        Public SweepAngle As Single
+
+        Public Sub New(ByVal x As Integer, ByVal y As Integer, ByVal width As Integer, ByVal height As Integer, ByVal startAngle As Single, ByVal sweepAngle As Single)
+            Me.X = x
+            Me.Y = y
+            Me.Width = width
+            Me.Height = height
+            Me.StartAngle = startAngle
+            Me.SweepAngle = sweepAngle
+        End Sub
+    End Structure
+
 End Class

Pilz.UI/HighlightPanel.vb

@@ -160,7 +160,7 @@ Friend Class HighlightPanel
         If rgb = -1 Then
             Return Color.Empty
         Else
-            Return Color.FromArgb((rgb And &HFF0000) >> 16, (rgb And &HFF00) >> 8, rgb & &HFF)
+            Return Color.FromArgb((rgb And &HFF0000) >> 16, (rgb And &HFF00) >> 8, rgb And &HFF)
         End If
     End Function
 
@@ -168,7 +168,7 @@ Friend Class HighlightPanel
         If rgb = -1 Then
             Return Color.Empty
         Else
-            Return Color.FromArgb(alpha, (rgb And &HFF0000) >> 16, (rgb And &HFF00) >> 8, rgb & &HFF)
+            Return Color.FromArgb(alpha, (rgb And &HFF0000) >> 16, (rgb And &HFF00) >> 8, rgb And &HFF)
         End If
     End Function
 
@@ -220,9 +220,9 @@ Friend Class HighlightPanel
         Public HighlightColor As eHighlightColor
 
         Public Sub New(ByVal bounds As Rectangle, ByVal backColor As Color, ByVal highlightColor As eHighlightColor)
-            bounds = bounds
+            Me.Bounds = bounds
-            backColor = backColor
+            Me.BackColor = backColor
-            highlightColor = highlightColor
+            Me.HighlightColor = highlightColor
         End Sub
     End Structure
 

Pilz.UI/Highlighter.vb

@@ -320,24 +320,26 @@ Public Class Highlighter
     Private Sub UpdateHighlightPanelBounds()
         Dim bounds As Rectangle = New Rectangle(0, 0, _ContainerControl.ClientRectangle.Width, _ContainerControl.ClientRectangle.Height)
 
-        If TypeOf _HighlightPanel.Parent Is Form Then
+        If _HighlightPanel IsNot Nothing Then
-            Dim form As Form = TryCast(_HighlightPanel.Parent, Form)
+            If TypeOf _HighlightPanel.Parent Is Form Then
+                Dim form As Form = TryCast(_HighlightPanel.Parent, Form)
 
-            If form.AutoSize Then
+                If form.AutoSize Then
-                bounds.X += form.Padding.Left
+                    bounds.X += form.Padding.Left
-                bounds.Y += form.Padding.Top
+                    bounds.Y += form.Padding.Top
-                bounds.Width -= form.Padding.Horizontal
+                    bounds.Width -= form.Padding.Horizontal
-                bounds.Height -= form.Padding.Vertical
+                    bounds.Height -= form.Padding.Vertical
+                End If
             End If
-        End If
 
-        If _HighlightPanel.Bounds.Equals(bounds) Then
+            If _HighlightPanel.Bounds.Equals(bounds) Then
-            _HighlightPanel.UpdateRegion()
+                _HighlightPanel.UpdateRegion()
-        Else
+            Else
-            _HighlightPanel.Bounds = bounds
+                _HighlightPanel.Bounds = bounds
-        End If
+            End If
 
-        _HighlightPanel.BringToFront()
+            _HighlightPanel.BringToFront()
+        End If
     End Sub
 
     Private _DelayTimer As Timer = Nothing
@@ -386,17 +388,6 @@ Public Class Highlighter
         End Set
     End Property
 
-    Public Function CanExtend(ByVal extendee As Object) As Boolean
-        Return (TypeOf extendee Is Control)
-    End Function
-
-    Private Sub SetError(ByVal control As Control, ByVal value As String)
-        Me.SetHighlightColor(control, eHighlightColor.Red)
-    End Sub
-
-    Private Sub ClearError(ByVal control As Control)
-        Me.SetHighlightColor(control, eHighlightColor.None)
-    End Sub
 End Class
 
 Public Enum eHighlightColor