в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

Admin: 1 версия

2010-05-26T12:41:53Z

1 версия

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==Create a Graphics Path and Draw Path==

<source lang="vbnet">
Imports System
Imports System.Windows.Forms
Imports System.Drawing.Text
Imports System.Drawing
Public Class MainClass

Shared Sub Main(ByVal args As String())
Dim myform As Form = New Form1()
Application.Run(myform)
End Sub
End Class

Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
" Create a GraphicsPath.
Dim graphics_path As New Drawing2D.GraphicsPath
" Add some text to the path.
graphics_path.AddString("www.vbex.ru", _
New FontFamily("Times New Roman"), _
CInt(FontStyle.Bold), _
80, New Point(10, 10), _
StringFormat.GenericTypographic)
" Draw the path.
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.AntiAlias
e.Graphics.DrawPath(New Pen(Color.Black, 3), graphics_path)
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads 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(364, 509)
Me.Name = "Form1"
Me.Text = "Title"
Me.ResumeLayout(False)
End Sub
End Class

</source>

==Create a Graphics Path and Fill Path==

<source lang="vbnet">
Imports System
Imports System.Windows.Forms
Imports System.Drawing.Text
Imports System.Drawing
Public Class MainClass

Shared Sub Main(ByVal args As String())
Dim myform As Form = New Form1()
Application.Run(myform)
End Sub
End Class

Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
" Create a GraphicsPath.
Dim graphics_path As New Drawing2D.GraphicsPath
" Add some text to the path.
graphics_path.AddString("www.vbex.ru", _
New FontFamily("Times New Roman"), _
CInt(FontStyle.Bold), _
80, New Point(10, 10), _
StringFormat.GenericTypographic)
" Draw the path.
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.AntiAlias
e.Graphics.FillPath(Brushes.Red, graphics_path)
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads 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(364, 309)
Me.Name = "Form1"
Me.Text = "Title"
Me.ResumeLayout(False)
End Sub
End Class

</source>

==Create a Graphics Path, Draw and Fill the Path==

<source lang="vbnet">
Imports System
Imports System.Windows.Forms
Imports System.Drawing.Text
Imports System.Drawing
Public Class MainClass

Shared Sub Main(ByVal args As String())
Dim myform As Form = New Form1()
Application.Run(myform)
End Sub
End Class

Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
" Create a GraphicsPath.
Dim graphics_path As New Drawing2D.GraphicsPath
" Add some text to the path.
graphics_path.AddString("www.vbex.ru", _
New FontFamily("Times New Roman"), _
CInt(FontStyle.Bold), _
80, New Point(10, 10), _
StringFormat.GenericTypographic)
" Draw the path.
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.AntiAlias
e.Graphics.FillPath(Brushes.Red, graphics_path)
e.Graphics.DrawPath(New Pen(Color.Black, 3), graphics_path)
End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads 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(564, 209)
Me.Name = "Form1"
Me.Text = "Title"
Me.ResumeLayout(False)
End Sub
End Class

</source>

==Donut Path 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
Public Class MainClass
Shared Sub Main()
Dim myform As Form = New Form1()
Application.Run(myform)
End Sub
End Class
Public Class Form1
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
Me.SetStyle(ControlStyles.ResizeRedraw, True)
Me.SetStyle(ControlStyles.DoubleBuffer, True)
Me.SetStyle(ControlStyles.AllPaintingInWmPaint, True)
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 = "Form1"
End Sub
#End Region

Private Function GetDonutPath(ByVal rect As Rectangle, ByVal holeRadius As Integer) As GraphicsPath
Dim path As GraphicsPath = New GraphicsPath()
path.AddEllipse(rect)
Dim centerPoint As Point = New Point(rect.Left + rect.Width / 2, rect.Top + rect.Height / 2)
Dim holeRect As Rectangle = New Rectangle(centerPoint.X - holeRadius, centerPoint.Y - holeRadius, holeRadius * 2, holeRadius * 2)
path.AddEllipse(holeRect)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
path.AddString("Hi", Me.Font.FontFamily, CInt(Me.Font.Style), Me.Font.Height, RectangleF.op_Implicit(rect), format)
Return path
End Function
Private Sub Form1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim width As Integer = Me.ClientRectangle.Width
Dim height As Integer = Me.ClientRectangle.Height
Dim rect As Rectangle = New Rectangle(10, 10, width - 20, height - 20)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
Dim path As GraphicsPath = GetDonutPath(rect, width / 5)
g.FillPath(Brushes.Yellow, path)
g.DrawPath(Pens.Black, path)
End Sub
End Class

</source>

==GraphicsPath: Draw with FillMode = Alternate==

<source lang="vbnet">
Imports System.Drawing.Drawing2D
Imports System
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Math
Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1()
Application.Run(form1)
End Sub " ValidationError
End Class

Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
" Generate star points.
Dim cx As Integer = Me.ClientSize.Width \ 4
Dim cy As Integer = Me.ClientSize.Height \ 2
Dim radius As Integer = CInt(cy * 0.9)
Dim star_pts(4) As Point
Dim angle As Double = -PI / 2
For i As Integer = 0 To 4
star_pts(i).X = cx + CInt(radius * Cos(angle))
star_pts(i).Y = cy + CInt(radius * Sin(angle))
angle += 4 * PI / 5
Next i
" Move to the right.
e.Graphics.TranslateTransform(Me.ClientSize.Width \ 2, 0)

" Add the star to the path.
Dim star_path As New GraphicsPath
star_path.AddPolygon(star_pts)

" Make a StringFormat and LayoutRectangle.
Dim string_format As New StringFormat
string_format.LineAlignment = StringAlignment.Far
string_format.Alignment = StringAlignment.Center
Dim layout_rectangle As New RectangleF( _
0, 0, Me.ClientSize.Width \ 2, Me.ClientSize.Height)
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
" Draw with FillMode = Alternate.
star_path.FillMode = FillMode.Alternate
e.Graphics.DrawString(star_path.FillMode.ToString, _
Me.Font, Brushes.Black, _
layout_rectangle, string_format)
e.Graphics.FillPath(Brushes.White, star_path)
e.Graphics.DrawPath(Pens.Black, star_path)

End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads 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(350, 350)
Me.Name = "Form1"
Me.Text = "TransformArrow"
Me.ResumeLayout(False)
End Sub
End Class

</source>

==GraphicsPath: Draw with FillMode = Winding==

<source lang="vbnet">
Imports System.Drawing.Drawing2D
Imports System
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Math
Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1()
Application.Run(form1)
End Sub " ValidationError
End Class

Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _
ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
" Generate star points.
Dim cx As Integer = Me.ClientSize.Width \ 4
Dim cy As Integer = Me.ClientSize.Height \ 2
Dim radius As Integer = CInt(cy * 0.9)
Dim star_pts(4) As Point
Dim angle As Double = -PI / 2
For i As Integer = 0 To 4
star_pts(i).X = cx + CInt(radius * Cos(angle))
star_pts(i).Y = cy + CInt(radius * Sin(angle))
angle += 4 * PI / 5
Next i
" Move to the right.
e.Graphics.TranslateTransform(Me.ClientSize.Width \ 2, 0)

" Add the star to the path.
Dim star_path As New GraphicsPath
star_path.AddPolygon(star_pts)

" Make a StringFormat and LayoutRectangle.
Dim string_format As New StringFormat
string_format.LineAlignment = StringAlignment.Far
string_format.Alignment = StringAlignment.Center
Dim layout_rectangle As New RectangleF( _
0, 0, Me.ClientSize.Width \ 2, Me.ClientSize.Height)
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
" Draw with FillMode = Winding.
star_path.FillMode = FillMode.Winding
e.Graphics.DrawString(star_path.FillMode.ToString, _
Me.Font, Brushes.Black, _
layout_rectangle, string_format)
e.Graphics.FillPath(Brushes.White, star_path)
e.Graphics.DrawPath(Pens.Black, star_path)

End Sub
End Class

<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads 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(400, 400)
Me.Name = "Form1"
Me.Text = "TransformArrow"
Me.ResumeLayout(False)
End Sub
End Class

</source>

==Path Flatten Demo==

<source lang="vbnet">
Imports System
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Globalization
Imports System.Text
Imports System.Collections
Public Class MainClass

Shared Sub Main()

Dim myform As Form = New PathFlattenForm()
Application.Run(myform)
End Sub
End Class

Public Class PathFlattenForm
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()
"
"PathFlattenForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(416, 126)
Me.Name = "PathFlattenForm"
Me.Text = "PathFlattenForm"
End Sub
#End Region

Sub PathFlattenForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim width As Single = Me.ClientSize.Width
Dim height As Single = Me.ClientSize.Height
Dim rect As RectangleF = New RectangleF(0, 0, width, height)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
Dim path As GraphicsPath = New GraphicsPath()
path.Reset()
path.AddEllipse(rect)
path.Flatten(New Matrix(), 10)
g.DrawPath(Pens.Black, path)
g.DrawString("Flattened", Me.Font, Brushes.Black, rect, format)
g.TranslateTransform(width, 0)
End Sub
End Class

</source>

==Path Warp Demo==

<source lang="vbnet">
Imports System
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Globalization
Imports System.Text
Imports System.Collections
Public Class MainClass

Shared Sub Main()

Dim myform As Form = New PathFlattenForm()
Application.Run(myform)
End Sub
End Class

Public Class PathFlattenForm
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()
"
"PathFlattenForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(416, 126)
Me.Name = "PathFlattenForm"
Me.Text = "PathFlattenForm"
End Sub
#End Region

Sub PathFlattenForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim width As Single = Me.ClientSize.Width
Dim height As Single = Me.ClientSize.Height
Dim rect As RectangleF = New RectangleF(0, 0, width, height)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
Dim path As GraphicsPath = New GraphicsPath()
path.Reset()
path.AddEllipse(rect)
Dim destPoints As PointF() = New PointF() {New PointF(width / 2, 0), New PointF(width, height), New PointF(0, height / 2)}
Dim srcRect As RectangleF = New RectangleF(0, 0, width, height / 2)
path.Warp(destPoints, srcRect)
g.DrawPath(Pens.Black, path)
g.DrawString("Warped", Me.Font, Brushes.Black, rect, format)
g.TranslateTransform(width, 0)
End Sub
End Class

</source>

==Path Widen Demo==

<source lang="vbnet">
Imports System
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Drawing.Text
Imports System.Globalization
Imports System.Text
Imports System.Collections
Public Class MainClass

Shared Sub Main()

Dim myform As Form = New PathFlattenForm()
Application.Run(myform)
End Sub
End Class

Public Class PathFlattenForm
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()
"
"PathFlattenForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(416, 126)
Me.Name = "PathFlattenForm"
Me.Text = "PathFlattenForm"
End Sub
#End Region

Sub PathFlattenForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim width As Single = Me.ClientSize.Width
Dim height As Single = Me.ClientSize.Height
Dim rect As RectangleF = New RectangleF(0, 0, width, height)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
Dim path As GraphicsPath = New GraphicsPath()
path.Reset()
path.AddEllipse(rect)
Dim widenPen As Pen = New Pen(Color.Empty, 10)
path.Widen(widenPen)
g.DrawPath(Pens.Black, path)
g.DrawString("Widened", Me.Font, Brushes.Black, rect, format)
g.TranslateTransform(width, 0)
End Sub
End Class

</source>

← Предыдущая	Версия 16:40, 26 мая 2010
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VB.Net/2D/Graphic Path - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия