CompositingQuality.HighSpeed : CompositingQuality « 2D Graphics « VB.Net Tutorial






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.CompositingQuality = 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.CompositingQuality = 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








17.83.CompositingQuality
17.83.1.CompositingQuality.HighSpeedCompositingQuality.HighSpeed
17.83.2.CompositingQuality.HighQualityCompositingQuality.HighQuality
17.83.3.Graphics CompositingMode.SourceOverGraphics CompositingMode.SourceOver
17.83.4.CompositingQuality.GammaCorrectedCompositingQuality.GammaCorrected