Add arcs to GraphicsPath : GraphicsPath « 2D Graphics « VB.Net Tutorial






Add arcs to GraphicsPath
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class GraphicsPathAddArc
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class


Public Class Form1
    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
        Me.SetStyle(ControlStyles.ResizeRedraw, True)
        Me.SetStyle(ControlStyles.DoubleBuffer, True)
        Me.SetStyle(ControlStyles.AllPaintingInWmPaint, True)
    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.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()
        components = New System.ComponentModel.Container()
        Me.Text = "Form1"
    End Sub

#End Region

    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
        Dim g As Graphics = e.Graphics
        Dim width As Integer = Me.ClientRectangle.Width
        Dim height As Integer = Me.ClientRectangle.Height
        Dim rect As Rectangle = New Rectangle(10, 10, width - 20, height - 20)
        Dim format As StringFormat = New StringFormat()
        format.Alignment = StringAlignment.Center
        format.LineAlignment = StringAlignment.Center
        
        Dim diameter As Integer = 100
        Dim arcRect As Rectangle = New Rectangle(rect.Location, New Size(diameter, diameter))
        Dim path As GraphicsPath = New GraphicsPath()

        path.AddArc(arcRect, 180, 90)
        arcRect.X = rect.Right - diameter
        path.AddArc(arcRect, 270, 90)

        arcRect.Y = rect.Bottom - diameter
        path.AddArc(arcRect, 0, 90)

        arcRect.X = rect.Left
        path.AddArc(arcRect, 90, 90)

        path.CloseFigure()
        
        g.FillPath(Brushes.Yellow, path)
        g.DrawPath(Pens.Black, path)

    End Sub
End Class








17.41.GraphicsPath
17.41.1.Create a Graphics pathCreate a Graphics path
17.41.2.Getting GraphicsPath PropertiesGetting GraphicsPath Properties
17.41.3.Add Rectangle to GraphicsPathAdd Rectangle to GraphicsPath
17.41.4.Draw pathDraw path
17.41.5.Close a PathClose a Path
17.41.6.Use GraphicsPath to create Text outlineUse GraphicsPath to create Text outline
17.41.7.Add arcs to GraphicsPathAdd arcs to GraphicsPath
17.41.8.Add Beziers to GraphicsPathAdd Beziers to GraphicsPath
17.41.9.Add string to GraphicsPathAdd string to GraphicsPath
17.41.10.Add string and two ellipses to a GraphicsPathAdd string and two ellipses to a GraphicsPath
17.41.11.Flattened EllipseFlattened Ellipse
17.41.12.GraphicPath FillMode.AlternateGraphicPath FillMode.Alternate
17.41.13.GraphicPath FillMode.WindingGraphicPath FillMode.Winding
17.41.14.GraphicPath TextRegion