VB.Net/2D/Fill Mode — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 15:41, 26 мая 2010
Fill Mode Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Imports System.Diagnostics Public Class MainClass
Shared Sub Main() Dim myform As Form = New FillModesForm() Application.Run(myform) End Sub
End Class Public Class FillModesForm
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 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.ruponentModel.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.ruponentModel.Container() Me.Text = "FillModesForm" End Sub
- End Region
Private Sub FillModesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint Dim g As Graphics = e.Graphics Dim x As Integer = 0 Dim y As Integer = 0 Dim width As Integer = Me.ClientRectangle.Width / 2 Dim height As Integer = Me.ClientRectangle.Height Dim blackBrush As Brush = Brushes.Black Dim fillBrush As Brush = Brushes.Gray Dim whitePen As Pen = Pens.White Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim pen As Pen = New Pen(Color.Red, 4) Dim pointPen As Pen = New Pen(Color.Black, 3) pointPen.StartCap = pointPen.EndCap = LineCap.SquareAnchor Dim fill As FillMode = FillMode.Winding Dim points As PointF() = New PointF() {New PointF(x + 25, y + height - 25), New PointF(x + width - 25, y + height - 25), New PointF(x + 25, height / 2), New PointF(x + width - 25, y + 25), New PointF(x + 25, y + 25), New PointF(x + width - 25, height / 2)} g.DrawRectangle(Pens.Black, x, y, width, height) g.FillClosedCurve(fillBrush, points, fill) g.DrawClosedCurve(pen, points) Dim point As PointF For Each point In points g.DrawLine(pointPen, New Point(point.X, point.Y), New Point(point.X + 1, point.Y)) Next Dim i As Integer For i = 0 To points.Length - 1 g.DrawString(i.ToString(), Me.Font, blackBrush, points(i)) Next x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y) fill = FillMode.Alternate points = New PointF() {New PointF(x + 25, y + height - 25), New PointF(x + width - 25, y + height - 25), New PointF(x + 25, height / 2), New PointF(x + width - 25, y + 25), New PointF(x + 25, y + 25), New PointF(x + width - 25, height / 2)} g.DrawRectangle(Pens.Black, x, y, width, height) g.FillClosedCurve(fillBrush, points, fill) g.DrawClosedCurve(pen, points) For Each point In points g.DrawLine(pointPen, New Point(point.X, point.Y), New Point(point.X + 1, point.Y)) Next For i = 0 To points.Length - 1 g.DrawString(i.ToString(), Me.Font, blackBrush, points(i)) Next x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y) End Sub
End Class
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