replace OpenTK.GLControl with OpenTK.GLWpfControl and update code to use OpenTK 4.0 (not tested yet)

Pilz.Drawing.Drawing3D.OpenGLRenderer/Camera/Camera.vb

@@ -1,5 +1,7 @@
 Imports System.Windows.Forms
+
 Imports OpenTK
+Imports OpenTK.Mathematics
 
 Namespace CameraN
 

Pilz.Drawing.Drawing3D.OpenGLRenderer/Pilz.Drawing.Drawing3D.OpenGLFactory.vbproj

@@ -2,6 +2,8 @@
   <PropertyGroup>
     <MyType>Windows</MyType>
     <TargetFramework>net5.0-windows7.0</TargetFramework>
+    <UseWindowsForms>true</UseWindowsForms>
+    <UseWpf>true</UseWpf>
     <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
     <DocumentationFile>Pilz.Drawing.Drawing3D.OpenGLFactory.xml</DocumentationFile>
     <DefineTrace>true</DefineTrace>
@@ -25,12 +27,12 @@
     <OptionInfer>On</OptionInfer>
   </PropertyGroup>
   <ItemGroup>
+    <PackageReference Include="OpenTK.GLWpfControl" Version="4.0.0-pre.9" />
     <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="OpenTK" Version="4.2.0" />
-    <PackageReference Include="OpenTK.GLControl" Version="3.1.0" />
+    <PackageReference Include="OpenTK" Version="4.3.0" />
     <PackageReference Include="System.Numerics.Vectors" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup>

Pilz.Drawing.Drawing3D.OpenGLRenderer/Preview/ModelPreview.vb

@@ -6,16 +6,17 @@ Imports OpenTK
 Imports OpenTK.Graphics.OpenGL
 Imports Pilz.S3DFileParser
 Imports Point = System.Drawing.Point
-Imports KeyboardState = OpenTK.Input.KeyboardState
-Imports Keyboard = OpenTK.Input.Keyboard
-Imports Key = OpenTK.Input.Key
 Imports Color = System.Drawing.Color
+Imports System.Windows.Forms.Integration
+Imports OpenTK.Mathematics
+Imports System.Windows.Input
 
 Namespace PreviewN
 
     Public Class ModelPreview
 
-        Private WithEvents glControl1 As GLControl
+        Private WithEvents glControl1 As Wpf.GLWpfControl
+        Private WithEvents glControlHost As ElementHost
         Private WithEvents MyCamera As New Camera
         Private ProjMatrix As Matrix4 = Nothing
         Private FOV As Single = 1.048F
@@ -75,21 +76,19 @@ Namespace PreviewN
 
         Public ReadOnly Property GLControl As Control
             Get
-                Return glControl1
+                Return glControlHost
             End Get
         End Property
 
         Private ReadOnly Property IsStrgPressed As Boolean
             Get
-                Dim state As KeyboardState = Keyboard.GetState()
-                Return state(Key.ControlLeft) OrElse state(Key.ControlRight)
+                Return Keyboard.IsKeyDown(Key.LeftCtrl) OrElse Keyboard.IsKeyDown(Key.RightCtrl)
             End Get
         End Property
 
         Private ReadOnly Property IsShiftPressed As Boolean
             Get
-                Dim state As KeyboardState = Keyboard.GetState()
-                Return state(Key.ShiftLeft) OrElse state(Key.ShiftRight)
+                Return Keyboard.IsKeyDown(Key.LeftShift) OrElse Keyboard.IsKeyDown(Key.RightShift)
             End Get
         End Property
 
@@ -99,7 +98,7 @@ Namespace PreviewN
             End Get
             Set(value As Boolean)
                 _isMouseDown = value
-                glControl1.Refresh()
+                glControlHost.Refresh()
             End Set
         End Property
 
@@ -122,18 +121,18 @@ Namespace PreviewN
             DoubleBuffered = True
 
             'glControl1
-            Me.glControl1 = New GLControl
-            Me.glControl1.BackColor = Color.Black
-            Me.glControl1.Location = New Point(0, 0)
-            Me.glControl1.MinimumSize = New Size(600, 120)
-            Me.glControl1.Name = "glControl1"
-            Me.glControl1.Anchor = AnchorStyles.Left Or AnchorStyles.Top Or AnchorStyles.Right Or AnchorStyles.Bottom
-            Me.glControl1.Location = New Point(0, 0)
-            Me.glControl1.Size = Me.ClientSize
-            Me.glControl1.TabIndex = 0
-            Me.glControl1.TabStop = False
-            Me.glControl1.VSync = False
-            Me.Controls.Add(Me.glControl1)
+            Me.glControl1 = New Wpf.GLWpfControl
+            Me.glControlHost.Child = glControl1
+            Me.glControlHost = New ElementHost
+            Me.glControlHost.BackColor = Color.Black
+            Me.glControlHost.Name = "glControl1"
+            Me.glControlHost.Anchor = AnchorStyles.Left Or AnchorStyles.Top Or AnchorStyles.Right Or AnchorStyles.Bottom
+            Me.glControlHost.Location = New Point(0, 0)
+            Me.glControlHost.MinimumSize = New Size(600, 120)
+            Me.glControlHost.Size = Me.ClientSize
+            Me.glControlHost.TabIndex = 0
+            Me.glControlHost.TabStop = False
+            Me.Controls.Add(Me.glControlHost)
             Me.ResumeLayout(False)
 
             'RenderTimer.SynchronizingObject = Nothing
@@ -141,10 +140,11 @@ Namespace PreviewN
 
             'Toolkit.Init()
 
-            glControl1.CreateControl()
+            Dim controlSettings As New Wpf.GLWpfControlSettings
+            glControl1.Start(controlSettings)
             AddHandler glControl1.MouseWheel, AddressOf glControl1_Wheel
             ProjMatrix = Matrix4.CreatePerspectiveFieldOfView(FOV, glControl1.Width / glControl1.Height, 100.0F, 100000.0F)
-            glControl1.Enabled = False
+            glControlHost.Enabled = True
 
             MyCamera.SetCameraMode(CameraMode.FLY, camMtx)
             MyCamera.UpdateMatrix(camMtx)
@@ -163,8 +163,8 @@ Namespace PreviewN
         End Sub
 
         Public Sub UpdateView()
-            If glControl1.Enabled Then
-                glControl1.Invoke(Sub() glControl1.Invalidate())
+            If glControl1.IsEnabled Then
+                glControlHost.Invoke(Sub() glControlHost.Invalidate())
             End If
         End Sub
 
@@ -179,9 +179,9 @@ Namespace PreviewN
         End Sub
 
         Public Sub HandlesOnShown(sender As Object, e As EventArgs) Handles MyBase.Shown
-            glControl1.Enabled = True
+            glControlHost.Enabled = True
             RenderModels()
-            glControl1.Invalidate()
+            glControlHost.Invalidate()
         End Sub
 
         Public Sub RenderModels()
@@ -197,7 +197,7 @@ Namespace PreviewN
             End If
         End Sub
 
-        Private Sub glControl1_Load(sender As Object, e As EventArgs) Handles glControl1.Load
+        Private Sub glControl1_Load(sender As Object, e As EventArgs) Handles glControl1.Loaded
             GL.Enable(EnableCap.Blend)
             GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha)
 
@@ -227,7 +227,7 @@ Namespace PreviewN
             End If
         End Sub
 
-        Public Sub HandlesOnPaint(sender As Object, e As PaintEventArgs) Handles glControl1.Paint
+        Public Sub HandlesOnPaint(renderTime As TimeSpan) Handles glControl1.Render
             GL.ClearColor(ClearColor)
 
             GL.Clear(ClearBufferMask.ColorBufferBit Or ClearBufferMask.DepthBufferBit)
@@ -243,24 +243,24 @@ Namespace PreviewN
                 End If
             Next
 
-            glControl1.SwapBuffers()
+            'glControl1.SwapBuffers()
         End Sub
 
-        Private Sub glControl1_Resize(sender As Object, e As EventArgs) Handles glControl1.Resize
-            glControl1.Context.Update(glControl1.WindowInfo)
+        Private Sub glControl1_Resize(sender As Object, e As EventArgs) Handles glControlHost.Resize
+            'glControl1.Context.Update(glControl1.WindowInfo)
             GL.Viewport(0, 0, glControl1.Width, glControl1.Height)
             ProjMatrix = Matrix4.CreatePerspectiveFieldOfView(FOV, glControl1.Width / glControl1.Height, 100.0F, 100000.0F)
-            glControl1.Invalidate()
+            glControlHost.Invalidate()
         End Sub
 
-        Private Sub glControl1_Wheel(sender As Object, e As MouseEventArgs)
+        Private Sub glControl1_Wheel(sender As Object, e As Windows.Input.MouseWheelEventArgs)
             MyCamera.ResetMouseStuff()
             MyCamera.UpdateCameraMatrixWithScrollWheel(CInt(Math.Truncate(e.Delta * (If(IsShiftPressed, 3.5F, 1.5F)))), camMtx)
             savedCamPos = MyCamera.Position
-            glControl1.Invalidate()
+            glControlHost.Invalidate()
         End Sub
 
-        Private Sub glControl1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles glControl1.MouseDown
+        Private Sub glControl1_MouseDown(ByVal sender As Object, ByVal e As Windows.Input.MouseButtonEventArgs) Handles glControl1.MouseDown
             IsMouseDown = True
             savedCamPos = MyCamera.Position
         End Sub
@@ -270,14 +270,14 @@ Namespace PreviewN
             IsMouseDown = False
         End Sub
 
-        Private Sub glControl1_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) Handles glControl1.MouseMove
+        Private Sub glControl1_MouseMove(ByVal sender As Object, ByVal e As Windows.Forms.MouseEventArgs) Handles glControlHost.MouseMove
             If IsMouseDown AndAlso e.Button = MouseButtons.Left Then
                 If IsShiftPressed Then
                     MyCamera.UpdateCameraOffsetWithMouse(savedCamPos, e.X, e.Y, glControl1.Width, glControl1.Height, camMtx)
                 Else
                     MyCamera.UpdateCameraMatrixWithMouse(e.X, e.Y, camMtx)
                 End If
-                glControl1.Invalidate()
+                glControlHost.Invalidate()
             End If
         End Sub
 
@@ -286,31 +286,29 @@ Namespace PreviewN
             Dim allowCamMove As Boolean = Not (IsMouseDown AndAlso IsShiftPressed)
 
             If allowCamMove Then
-                Dim state As KeyboardState = Keyboard.GetState
-
-                If state(Key.W) Then
+                If Keyboard.IsKeyDown(Key.W) Then
                     'camera.Move(moveSpeed, moveSpeed, camMtx)
                     MyCamera.UpdateCameraMatrixWithScrollWheel(moveSpeed, camMtx)
                     savedCamPos = MyCamera.Position
                 End If
-                If state(Key.S) Then
+                If Keyboard.IsKeyDown(Key.S) Then
                     'camera.Move(-moveSpeed, -moveSpeed, camMtx)
                     MyCamera.UpdateCameraMatrixWithScrollWheel(-moveSpeed, camMtx)
                     savedCamPos = MyCamera.Position
                 End If
-                If state(Key.A) Then
+                If Keyboard.IsKeyDown(Key.A) Then
                     'camera.Move(-moveSpeed, 0, camMtx)
                     MyCamera.UpdateCameraOffsetDirectly(-moveSpeed, 0, camMtx)
                 End If
-                If state(Key.D) Then
+                If Keyboard.IsKeyDown(Key.D) Then
                     'camera.Move(moveSpeed, 0, camMtx)
                     MyCamera.UpdateCameraOffsetDirectly(moveSpeed, 0, camMtx)
                 End If
-                If state(Key.E) Then
+                If Keyboard.IsKeyDown(Key.E) Then
                     'camera.Move(0, -moveSpeed, camMtx)
                     MyCamera.UpdateCameraOffsetDirectly(0, -moveSpeed, camMtx)
                 End If
-                If state(Key.Q) Then
+                If Keyboard.IsKeyDown(Key.Q) Then
                     'camera.Move(0, moveSpeed, camMtx)
                     MyCamera.UpdateCameraOffsetDirectly(0, moveSpeed, camMtx)
                 End If

Pilz.Drawing.Drawing3D.OpenGLRenderer/Rendering/Renderer.vb

@@ -1,9 +1,13 @@
 Imports System.Drawing
 Imports System.Threading
 Imports System.Windows.Forms
+
 Imports OpenTK
 Imports OpenTK.Graphics.OpenGL
+Imports OpenTK.Mathematics
+
 Imports Pilz.S3DFileParser
+
 Imports Bitmap = System.Drawing.Bitmap
 Imports Color = System.Drawing.Color
 Imports Image = System.Drawing.Image