в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

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2010-05-26T12:55:12Z

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==All LineCap styles==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineCapsDemo
public Shared Sub Main
Application.Run(New LineCapsForm)
End Sub
End class
Public Class LineCapsForm
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 = "LineCapsForm"
Me.ClientSize = New System.Drawing.Size(352, 600)
End Sub
#End Region

Private Sub LineCapsForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim capNames As String() = System.Enum.GetNames(GetType(LineCap))
Array.Sort(capNames)
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 / capNames.Length
Dim capName As String
For Each capName In capNames
Dim pen As Pen = New Pen(Color.Black, 12)
pen.EndCap = CType(System.Enum.Parse(GetType(LineCap), capName), LineCap)
If pen.EndCap <> LineCap.AnchorMask Then
g.DrawLine(pen, x, CInt(y + height * 2 / 3), CInt(x + width * 2 / 3), CInt(y + height * 2 / 3))
g.DrawString(capName, Me.Font, Brushes.Black, x, y)
y = y + height
End If
Next
End Sub
End Class</source>

==Get Line CapStyles==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GetCapStyles
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)
Dim g As Graphics = Me.CreateGraphics()
g.Clear(Me.BackColor)
Dim blackPen As New Pen(Color.Black, 10)
blackPen.StartCap = LineCap.Triangle
blackPen.EndCap = LineCap.Triangle
g.DrawLine(blackPen, 20, 10, 200, 10)
blackPen.StartCap = LineCap.Square
blackPen.EndCap = LineCap.Square
g.DrawLine(blackPen, 20, 30, 200, 30)
blackPen.StartCap = LineCap.ArrowAnchor
blackPen.EndCap = LineCap.ArrowAnchor
g.DrawLine(blackPen, 20, 50, 200, 50)
blackPen.StartCap = LineCap.DiamondAnchor
blackPen.EndCap = LineCap.DiamondAnchor
g.DrawLine(blackPen, 20, 70, 200, 70)
blackPen.StartCap = LineCap.Flat
blackPen.EndCap = LineCap.Flat
g.DrawLine(blackPen, 20, 90, 200, 90)
blackPen.StartCap = LineCap.Round
blackPen.EndCap = LineCap.Round
g.DrawLine(blackPen, 20, 110, 200, 110)
blackPen.StartCap = LineCap.RoundAnchor
blackPen.EndCap = LineCap.RoundAnchor
g.DrawLine(blackPen, 20, 130, 200, 130)
blackPen.StartCap = LineCap.Square
blackPen.EndCap = LineCap.Square
g.DrawLine(blackPen, 20, 150, 200, 150)
blackPen.StartCap = LineCap.SquareAnchor
blackPen.EndCap = LineCap.SquareAnchor
g.DrawLine(blackPen, 20, 170, 200, 170)
blackPen.StartCap = LineCap.Flat
blackPen.EndCap = LineCap.Flat
g.DrawLine(blackPen, 20, 190, 200, 190)
" Dispose
blackPen.Dispose()
g.Dispose()
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>

==LineCap.NoAnchor, LineCap.Round, LineCap.RoundAnchor, LineCap.Square, LineCap.SquareAnchor, LineCap.Triangle==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineCapAllStyles
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)
Dim x As Integer = 5
Dim y As Integer = 17
Dim the_pen As New Pen(Color.Black, 10)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.NoAnchor)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Round)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.RoundAnchor)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Square)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.SquareAnchor)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Triangle)
End Sub
Private Sub DrawLine(ByVal gr As Graphics, ByRef x As Integer, ByRef y As Integer, ByVal style As Drawing2D.LineCap)
Dim the_pen As New Pen(Color.Black, 10)
the_pen.EndCap = style
gr.DrawString(style.ToString, Me.Font, Brushes.Black, x, y - 5)
gr.DrawLine(the_pen, x + 100, y, x + 150, y)
y += 25
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>

==LineCap styles: LineCap.AnchorMask, LineCap.ArrowAnchor,LineCap.DiamondAnchor, LineCap.Flat==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineCapAllStyles
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)
Dim x As Integer = 5
Dim y As Integer = 17
Dim the_pen As New Pen(Color.Black, 10)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.AnchorMask)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.ArrowAnchor)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.DiamondAnchor)
DrawLine(e.Graphics, x, y, Drawing2D.LineCap.Flat)
End Sub
Private Sub DrawLine(ByVal gr As Graphics, ByRef x As Integer, ByRef y As Integer, ByVal style As Drawing2D.LineCap)
Dim the_pen As New Pen(Color.Black, 10)
the_pen.EndCap = style
gr.DrawString(style.ToString, Me.Font, Brushes.Black, x, y - 5)
gr.DrawLine(the_pen, x + 100, y, x + 150, y)
y += 25
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/LineCap styles - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия