VB.Net/2D/Line Smooth Mode
Line Smooth Mode Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Imports System.Diagnostics Public Class MainClass
Shared Sub Main() Dim myform As Form = New SmoothingModesForm() Application.Run(myform) End Sub
End Class
Public Class SmoothingModesForm
Inherits System.Windows.Forms.Form
- 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
- 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 blackBrush As Brush = Brushes.Black Dim fillBrush As Brush = Brushes.Gray Dim whitePen As Pen = Pens.White Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim pen As Pen = New Pen(Color.Blue, 4) g.SmoothingMode = SmoothingMode.AntiAlias 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) g.DrawString(g.SmoothingMode.ToString(), Me.Font, blackBrush, New RectangleF(x, y, width, height), format) x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y)
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) g.DrawString(g.SmoothingMode.ToString(), Me.Font, blackBrush, New RectangleF(x, y, width, height), format) x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y) End Sub
End Class
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