в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:55:05Z

1 версия

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==All LineJoin styles==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class JoinsDemo
public Shared Sub Main
Application.Run(New JoinsForm)
End Sub
End class

Public Class JoinsForm
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 = "JoinsForm"
End Sub
#End Region

Private Sub JoinsForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim joinNames As String() = System.Enum.GetNames(GetType(LineJoin))
Array.Sort(joinNames)
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 / 4
Dim blackBrush As Brush = Brushes.Black
Dim blackPen As Pen = Pens.Black
Dim whitePen As Pen = Pens.White
Dim joinName As String
For Each joinName In joinNames
Dim pen As Pen = New Pen(Color.Black, 12)
pen.LineJoin = CType(System.Enum.Parse(GetType(LineJoin), joinName), LineJoin)
g.DrawRectangle(pen, New Rectangle(x + 20, y + 20, width - 40, height - 40))
g.DrawRectangle(whitePen, New Rectangle(x + 20, y + 20, width - 40, height - 40))
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
g.DrawString(joinName, Me.Font, blackBrush, New RectangleF(x, y, width, height), format)
y = y + height
Next
End Sub

End Class</source>

==LineJoin.Bevel, LineJoin.Miter, LineJoin.Round==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineJoinBevelMiterRound
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)
DrawSample(e.Graphics, 10, 10, Drawing2D.LineJoin.Bevel)
DrawSample(e.Graphics, 110, 10, Drawing2D.LineJoin.Miter)
DrawSample(e.Graphics, 210, 10, Drawing2D.LineJoin.Round)
End Sub
Private Sub DrawSample(ByVal gr As Graphics, ByVal x As Integer, ByVal y As Integer, ByVal join_style As Drawing2D.LineJoin)
Dim the_pen As New Pen(Color.Black, 20)
the_pen.LineJoin = join_style
gr.DrawString(join_style.ToString, Me.Font, Brushes.Black, x, y)
Dim pts() As Point = { New Point(x, y + 30),New Point(x + 50, y + 30),New Point(x + 25, y + 80) }
gr.DrawLines(the_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</source>

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VB.Net Tutorial/2D Graphics/LineJoin styles - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия