VB.Net by API/System.Drawing.Drawing2D/CompositingQuality

CompositingQuality.HighQuality

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CompositingQualityHighQuality
   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)
        g.SmoothingMode = SmoothingMode.AntiAlias
        g.rupositingQuality = CompositingQuality.HighQuality
        Dim path As New GraphicsPath
        path.AddEllipse(20, 20, 200, 200)
        Dim pthGrBrush As New PathGradientBrush(path)
        Dim transBlackColor As Color = color.FromArgb(90, 255, 255, 255)
        Dim color2() As Color = {Color.Black}
        pthGrBrush.SurroundColors = color2
        pthGrBrush.CenterColor = color.Red
        g.FillPath(pthGrBrush, path)
        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

CompositingQuality.HighSpeed

  

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CompositingQualityHighSpeed
   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, 20)
        Dim bluePen As New Pen(Color.Blue, 10)
        Dim gContainer1 As GraphicsContainer = g.BeginContainer()
        g.SmoothingMode = SmoothingMode.AntiAlias
        g.rupositingQuality = CompositingQuality.GammaCorrected
        g.DrawEllipse(redPen, 10, 10, 100, 50)
        g.DrawRectangle(bluePen, 210, 0, 100, 100)
        Dim gContainer2 As GraphicsContainer = g.BeginContainer()
        g.SmoothingMode = SmoothingMode.HighSpeed
        g.rupositingQuality = CompositingQuality.HighSpeed
        g.DrawEllipse(redPen, 10, 150, 100, 50)
        g.DrawRectangle(bluePen, 210, 150, 100, 100)
        g.EndContainer(gContainer2)
        g.EndContainer(gContainer1)
        redPen.Dispose()
        bluePen.Dispose()
        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