Mega Code Archive
Draw the Bezier curve and its outline
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class BezierCurveAndItsOutline
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)
' Define the Bezier curve's control points.
Dim pts() As Point = { _
New Point(10, 10), _
New Point(200, 10), _
New Point(50, 200), _
New Point(200, 150), _
New Point(250, 50), _
New Point(250, 200), _
New Point(100, 250) _
}
Dim dashed_pen As New Pen(Color.Black, 0)
dashed_pen.DashStyle = Drawing2D.DashStyle.Dash
For i As Integer = 0 To pts.Length - 2
e.Graphics.DrawLine(dashed_pen, pts(i), pts(i + 1))
Next i
' .
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.HighQuality
Dim bez_pen As New Pen(Color.Black, 3)
e.Graphics.DrawBeziers(bez_pen, pts)
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