Transformed Pen

Imports System.Drawing.Drawing2D
Imports System
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Math

Public Class MainClass

   Shared Sub Main()
       Dim form1 As Form = New Form1()
       Application.Run(form1)
   End Sub 

End Class
 
Public Class Form1

    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
        Const Cx As Integer = 120
        Const Cy As Integer = 120
        Const R As Integer = 100
        Const PEN_WID As Integer = 10
        Dim the_pen As New Pen(Color.Black, PEN_WID)

        the_pen.ScaleTransform(1, 4, MatrixOrder.Append)
        the_pen.RotateTransform(45, MatrixOrder.Append)

        e.Graphics.SmoothingMode = SmoothingMode.AntiAlias

        e.Graphics.ScaleTransform(1, 4, MatrixOrder.Append)
        e.Graphics.RotateTransform(45, MatrixOrder.Append)

        For angle As Single = 0 To 2 * PI Step PI / 8
            Dim graphics_state As GraphicsState = e.Graphics.Save
            e.Graphics.TranslateTransform( _
                CSng(Cx + R * Cos(angle)), _
                CSng(Cy + R * Sin(angle)), _
                MatrixOrder.Append)
            e.Graphics.DrawEllipse(Pens.White, -PEN_WID , -PEN_WID , PEN_WID, PEN_WID)
            e.Graphics.Restore(graphics_state)
        Next angle
    End Sub
End Class
 
 
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.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()
        Me.SuspendLayout()
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(200, 200)
        Me.Name = "Form1"
        Me.Text = ""
        Me.ResumeLayout(False)

    End Sub

End Class

Related examples in the same category

1.	Pen's Compound Array
2.	Pen Compound Array Demo 1
3.	Draw with Pen Compound Array
4.	Pen width Demo
5.	Draw thick rectangle outline in red
6.	Draw Curve with Different pens

Transformed Pen : Pen « 2D « VB.Net

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