в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:55:04Z

1 версия

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==Clip by GraphicPath==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GraphicPathClip
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 txt As String = "www.vbex.ru"
Dim graphics_path As New GraphicsPath
graphics_path.AddString(txt, _
New FontFamily("Times New Roman"), _
FontStyle.Bold, 150, _
New Point(0, 0), _
New StringFormat)
e.Graphics.SetClip(graphics_path)
e.Graphics.FillRectangle(Brushes.White, Me.ClientRectangle)
Dim rnd As New Random
Dim x1, y1, x2, y2 As Integer
For i As Integer = 1 To 400
x1 = rnd.Next(-20, Me.ClientSize.Width - 1)
y1 = rnd.Next(0, Me.ClientSize.Height - 1)
x2 = rnd.Next(500, Me.ClientSize.Width - 1)
y2 = rnd.Next(0, Me.ClientSize.Height - 1)
e.Graphics.DrawLine(Pens.Black, x1, y1, x2, y2)
Next i
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>

==Clip Region==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RegionClip
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Private Sub Form11_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) _
Handles Me.Paint
Dim canvas As Graphics
Dim fencePath As GraphicsPath
Dim slottedRegion As Region
canvas = e.Graphics
canvas.Clear(Color.White)
fencePath = New GraphicsPath
fencePath.AddRectangle(New Rectangle(2 * 10, 0, 20, 500))
fencePath.AddRectangle(New Rectangle(8 * 10, 0, 20, 500))
fencePath.AddRectangle(New Rectangle(14 * 10, 0, 20, 500))
fencePath.AddRectangle(New Rectangle(20 * 10, 0, 20, 500))
slottedRegion = New Region(fencePath)
canvas.Clip = slottedRegion
canvas.Clear(Color.Aqua)
canvas.DrawString("www.vbex.ru", New Font("Times New Roman", 77),Brushes.Blue, 20, 20)
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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()
Me.SuspendLayout()
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(617, 197)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Name = "Form1"
Me.Text = "Using Regions Effectively"
Me.ResumeLayout(False)
End Sub
End Class</source>

==Clip Region Exclude==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ClipRegionExclude
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 pen As New Pen(Color.Red, 5)
Dim brush As New SolidBrush(Color.Red)
Dim rect1 As New Rectangle(50, 0, 50, 150)
Dim rect2 As New Rectangle(0, 50, 150, 50)
Dim [region] As New [Region](rect1)
[region].Exclude(rect2)
g.FillRegion(brush, [region])
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>

==Clip Region Intersect==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ClipRegionIntersect
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 pen As New Pen(Color.Red, 5)
Dim brush As New SolidBrush(Color.Red)
Dim rect1 As New Rectangle(50, 0, 50, 150)
Dim rect2 As New Rectangle(0, 50, 150, 50)
Dim [region] As New [Region](rect1)
[region].Intersect(rect2)
g.FillRegion(brush, [region])
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>

==Clip Region Union==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ClipRegionUnion
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 pen As New Pen(Color.Red, 5)
Dim brush As New SolidBrush(Color.Red)
Dim rect1 As New Rectangle(50, 0, 50, 150)
Dim rect2 As New Rectangle(0, 50, 150, 50)
Dim [region] As New [Region](rect1)
[region].Union(rect2)
g.FillRegion(brush, [region])
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>

==Clip Region Xor==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ClipRegionXor
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 pen As New Pen(Color.Red, 5)
Dim brush As New SolidBrush(Color.Red)
Dim rect1 As New Rectangle(50, 0, 50, 150)
Dim rect2 As New Rectangle(0, 50, 150, 50)
Dim [region] As New [Region](rect1)
[region].Xor(rect2)
g.FillRegion(brush, [region])
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>

==CombineMode.Exclude==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CombineModeExclude
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 rect1 As New RectangleF(20.0F, 20.0F, 200.0F, 200.0F)
Dim rgn1 As New [Region](rect1)
g.SetClip(rgn1, CombineMode.Exclude)
Dim h As Single = 20.0F
Dim w As Single = 30.0F
g.TranslateClip(h, w)
g.FillRectangle(Brushes.Green, 20, 20, 300, 300)
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>

==Rectangle clipped to Ellipse==

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

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

Dim rnd As Random = New Random()

Private Sub ClippingRegionForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim path As GraphicsPath = New GraphicsPath()
path.AddEllipse(Me.ClientRectangle)
Dim region As Region = New Region(path)
g.DrawPath(Pens.Red, path)
g.Clip = region
Dim rect As Rectangle = Me.ClientRectangle
rect.Offset(10, 10)
rect.Width = rect.Width - 20
rect.Height = rect.Height - 20
g.FillRectangle(Brushes.Black, rect)
End Sub
End Class</source>

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VB.Net Tutorial/2D Graphics/Clip - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия