в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:54:42Z

1 версия

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==Draw line with Custom Line Cap==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CustomLineCapLine
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 pts() As Point = { _
New Point(0, 0), _
New Point(2, 2), _
New Point(0, 0), _
New Point(2, -2) _
}
Dim cap_path As New GraphicsPath
cap_path.AddLines(pts)
" Make the CustomLineCap.
Dim x_cap As New CustomLineCap(Nothing, cap_path)
" Draw some lines with x_cap.
Dim the_pen As New Pen(Color.Black, 1)
the_pen.CustomStartCap = x_cap
the_pen.CustomEndCap = x_cap
the_pen.Width = 20
e.Graphics.DrawLine(the_pen, 50, 200, 200, 200)
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>

==Make the CustomLineCap==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CustomLineCapLine
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 pts() As Point = { _
New Point(0, 0), _
New Point(2, 2), _
New Point(0, 0), _
New Point(2, -2) _
}
Dim cap_path As New GraphicsPath
cap_path.AddLines(pts)
" Make the CustomLineCap.
Dim x_cap As New CustomLineCap(Nothing, cap_path)
" Draw some lines with x_cap.
Dim the_pen As New Pen(Color.Black, 1)
the_pen.CustomStartCap = x_cap
the_pen.CustomEndCap = x_cap
the_pen.Width = 20
e.Graphics.DrawLine(the_pen, 50, 200, 200, 200)
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>

==Set Pen.CustomStartCap and Pen.CustomEndCap==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CustomLineCapLine
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 pts() As Point = { _
New Point(0, 0), _
New Point(2, 2), _
New Point(0, 0), _
New Point(2, -2) _
}
Dim cap_path As New GraphicsPath
cap_path.AddLines(pts)
" Make the CustomLineCap.
Dim x_cap As New CustomLineCap(Nothing, cap_path)
" Draw some lines with x_cap.
Dim the_pen As New Pen(Color.Black, 1)
the_pen.CustomStartCap = x_cap
the_pen.CustomEndCap = x_cap
the_pen.Width = 20
e.Graphics.DrawLine(the_pen, 50, 200, 200, 200)
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/Custom LineCap - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия