Path Warp Demo : Graphic Path « 2D « VB.Net

Path Warp Demo

Path Warp Demo
Imports System
Imports System.ComponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Globalization
Imports System.Text
Imports System.Collections

Public Class MainClass
    Shared Sub Main()
        Dim myform As Form = New PathFlattenForm()
    End Sub
End Class

Public Class PathFlattenForm
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()

        'This call is required by the Windows Form Designer.

        '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
            End If
        End If
    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.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(416, 126)
        Me.Name = "PathFlattenForm"
        Me.Text = "PathFlattenForm"

    End Sub

#End Region

    Sub PathFlattenForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
        Dim g As Graphics = e.Graphics
        Dim width As Single = Me.ClientSize.Width
        Dim height As Single = Me.ClientSize.Height
        Dim rect As RectangleF = New RectangleF(0, 0, width, height)
        Dim format As StringFormat = New StringFormat()
        format.Alignment = StringAlignment.Center
        format.LineAlignment = StringAlignment.Center

        Dim path As GraphicsPath = New GraphicsPath()

        Dim destPoints As PointF() = New PointF() {New PointF(width / 2, 0), New PointF(width, height), New PointF(0, height / 2)}
        Dim srcRect As RectangleF = New RectangleF(0, 0, width, height / 2)

        path.Warp(destPoints, srcRect)
        g.DrawPath(Pens.Black, path)
        g.DrawString("Warped", Me.Font, Brushes.Black, rect, format)
        g.TranslateTransform(width, 0)

    End Sub
End Class


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