GraphicsPath: Draw with FillMode = Winding : Graphic Path « 2D « VB.Net






GraphicsPath: Draw with FillMode = Winding

GraphicsPath: Draw with FillMode = Winding
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 ' ValidationError

End Class
 
 


Public Class Form1

    Private Sub Form1_Paint(ByVal sender As Object, _
     ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        ' Generate star points.
        Dim cx As Integer = Me.ClientSize.Width \ 4
        Dim cy As Integer = Me.ClientSize.Height \ 2
        Dim radius As Integer = CInt(cy * 0.9)
        Dim star_pts(4) As Point
        Dim angle As Double = -PI / 2
        For i As Integer = 0 To 4
            star_pts(i).X = cx + CInt(radius * Cos(angle))
            star_pts(i).Y = cy + CInt(radius * Sin(angle))
            angle += 4 * PI / 5
        Next i

        ' Move to the right.
        e.Graphics.TranslateTransform(Me.ClientSize.Width \ 2, 0)


        ' Add the star to the path.
        Dim star_path As New GraphicsPath
        star_path.AddPolygon(star_pts)
        
        ' Make a StringFormat and LayoutRectangle.
        Dim string_format As New StringFormat
        string_format.LineAlignment = StringAlignment.Far
        string_format.Alignment = StringAlignment.Center

        Dim layout_rectangle As New RectangleF( _
            0, 0, Me.ClientSize.Width \ 2, Me.ClientSize.Height)

        e.Graphics.SmoothingMode = SmoothingMode.AntiAlias
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit

        ' Draw with FillMode = Winding.
        star_path.FillMode = FillMode.Winding
        e.Graphics.DrawString(star_path.FillMode.ToString, _
            Me.Font, Brushes.Black, _
            layout_rectangle, string_format)
        e.Graphics.FillPath(Brushes.White, star_path)
        e.Graphics.DrawPath(Pens.Black, star_path)
        

    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(400, 400)
        Me.Name = "Form1"
        Me.Text = "TransformArrow"
        Me.ResumeLayout(False)

    End Sub

End Class


           
       








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