VB.Net Tutorial/2D Graphics/SmoothingMode

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Graphics.SmoothingMode

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SmoothingModeAntiNone

  public Shared Sub Main
       Application.Run(New SmoothingModesForm)
  End Sub

End class

Public Class SmoothingModesForm

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing Then
           If Not (components Is Nothing) Then
               components.Dispose()
           End If
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       "
       "SmoothingModesForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(448, 110)
       Me.Name = "SmoothingModesForm"
       Me.Text = "SmoothingModesForm"
   End Sub
  1. End Region
   Private Sub SmoothingModesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
       Dim g As Graphics = e.Graphics
       Dim x As Integer = 0
       Dim y As Integer = 0
       Dim width As Integer = Me.ClientRectangle.Width / 2
       Dim height As Integer = Me.ClientRectangle.Height
       Dim pen As Pen = New Pen(Color.Red, 4)
       g.SmoothingMode = SmoothingMode.None
       g.DrawCurve(pen, New PointF() {New PointF(x + 20, y + height - 20), New PointF(x + width - 20, y + height - 20), New PointF(x + 20, y + 20), New PointF(x + width - 20, y + 20)}, 1.0)
   End Sub

End Class</source>

SmoothingMode.AntiAlias

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SmoothingModeAntiAlias

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
       Dim g As Graphics = Me.CreateGraphics()
       g.Clear(Me.BackColor)
       Dim redPen As New Pen(Color.Red, 6)
       Dim bluePen As New Pen(Color.Blue, 10)
       Dim blackPen As New Pen(Color.Black, 5)
       g.SmoothingMode = SmoothingMode.AntiAlias
       g.DrawRectangle(bluePen, 10, 20, 100, 50)
       g.DrawEllipse(redPen, 10, 150, 100, 50)
       g.DrawLine(blackPen, 150, 100, 250, 220)
       g.Dispose()
 End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>

SmoothingMode.Default

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SmoothingModeDefault

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
       Dim smoothing_mode As Drawing2D.SmoothingMode = Drawing2D.SmoothingMode.Default
       e.Graphics.DrawString(smoothing_mode.ToString, Me.Font, Brushes.Black, 10, 10)
       e.Graphics.SmoothingMode = smoothing_mode
       e.Graphics.DrawEllipse(Pens.Black, 10, 30, 20, 20)
       e.Graphics.FillEllipse(Brushes.Black, 40, 30, 20, 20)
   End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>

SmoothingMode.HighQuality

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SmoothingHighQuality

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
       Dim smoothing_mode As Drawing2D.SmoothingMode = Drawing2D.SmoothingMode.HighQuality
       e.Graphics.DrawString(smoothing_mode.ToString, Me.Font, Brushes.Black, 10, 10)
       e.Graphics.SmoothingMode = smoothing_mode
       e.Graphics.DrawEllipse(Pens.Black, 10, 30, 20, 20)
       e.Graphics.FillEllipse(Brushes.Black, 40, 30, 20, 20)
   End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>

SmoothingMode.HighSpeed

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SmoothingModeHighSpeed

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
       Dim smoothing_mode As Drawing2D.SmoothingMode = Drawing2D.SmoothingMode.HighSpeed
       e.Graphics.DrawString(smoothing_mode.ToString, Me.Font, Brushes.Black, 10, 10)
       e.Graphics.SmoothingMode = smoothing_mode
       e.Graphics.DrawEllipse(Pens.Black, 10, 30, 20, 20)
       e.Graphics.FillEllipse(Brushes.Black, 40, 30, 20, 20)
   End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>

SmoothingMode.None

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class SmoothingModeNone

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class public class Form1

 Inherits System.Windows.Forms.Form
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
       Dim smoothing_mode As Drawing2D.SmoothingMode = Drawing2D.SmoothingMode.None
       e.Graphics.DrawString(smoothing_mode.ToString, Me.Font, Brushes.Black, 10, 10)
       e.Graphics.SmoothingMode = smoothing_mode
       e.Graphics.DrawEllipse(Pens.Black, 10, 30, 20, 20)
       e.Graphics.FillEllipse(Brushes.Black, 40, 30, 20, 20)
   End Sub
 Public Sub New()
  
   MyBase.New()
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
 End Sub

End Class</source>