в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

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2010-05-26T12:41:39Z

1 версия

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==Beziers Curve 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
Imports System.Diagnostics
Public Class MainClass
Shared Sub Main()
Dim myform As Form = New BeziersForm()
Application.Run(myform)
End Sub
End Class
Public Class BeziersForm
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 = "BeziersForm"
End Sub
#End Region

Private Sub ClosedCurves_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim x As Integer = 0
Dim y As Integer = 0
Dim width As Integer = Me.ClientRectangle.Width / 3
Dim height As Integer = Me.ClientRectangle.Height
Dim blackBrush As Brush = Brushes.Black
Dim fillBrush As Brush = Brushes.Gray
Dim whitePen As Pen = Pens.White
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
Dim pen As Pen = New Pen(Color.Black, 4)
Dim pointPen As Pen = New Pen(Color.Blue, 3)
pointPen.StartCap = pointPen.EndCap = LineCap.SquareAnchor
Dim points As PointF() = New PointF() {New PointF(x + 25, y + height - 25), New PointF(x + width - 25, y + height - 25), New PointF(x + 25, y + 25), New PointF(x + width - 25, y + 25)}
g.DrawRectangle(Pens.Black, x, y, width, height)
g.DrawBeziers(pen, points)
Dim point As PointF
For Each point In points
g.DrawLine(pointPen, New Point(point.X, point.Y), New Point(point.X + 1, point.Y))
Next
Dim i As Integer
For i = 0 To points.Length - 1
g.DrawString(i.ToString(), Me.Font, blackBrush, points(i))
Next
x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width)
y = IIf(x = 0, y + height, y)
points = New PointF() {New PointF(x + 25, y + 25), New PointF(x + width - 25, y + 25), New PointF(x + width - 25, y + height - 25), New PointF(x + 25, y + height - 25)}
g.DrawRectangle(Pens.Black, x, y, width, height)
g.DrawBeziers(pen, points)
For Each point In points
g.DrawLine(pointPen, New Point(point.X, point.Y), New Point(point.X + 1, point.Y))
Next
For i = 0 To points.Length - 1
g.DrawString(i.ToString(), Me.Font, blackBrush, points(i))
Next
x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width)
y = IIf(x = 0, y + height, y)
points = New PointF() {New PointF(x + 25, y + 25), New PointF(x + width - 25, y + 25), New PointF(x + 25, y + height - 25), New PointF(x + width - 25, y + height - 25)}
g.DrawRectangle(Pens.Black, x, y, width, height)
g.DrawBeziers(pen, points)
For Each point In points
g.DrawLine(pointPen, New Point(point.X, point.Y), New Point(point.X + 1, point.Y))
Next
For i = 0 To points.Length - 1
g.DrawString(i.ToString(), Me.Font, blackBrush, points(i))
Next
x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width)
y = IIf(x = 0, y + height, y)
End Sub
End Class

</source>

==Closed Bezier 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 GetClosedBezierPath(ByVal rect As Rectangle, ByVal points As Point()) As GraphicsPath
Dim path As GraphicsPath = New GraphicsPath()
path.AddBeziers(points)
path.CloseFigure()
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 = GetClosedBezierPath(rect, New Point() {New Point(25, height - 25), New Point(width - 25, height - 25), New Point(25, 25), New Point(width - 25, 25)})
g.FillPath(Brushes.Yellow, path)
g.DrawPath(Pens.Black, path)
End Sub
End Class

</source>

==Draw Bezier==

<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
" Define the Bezier curve"s control points.
Dim pts() As Point = { _
New Point(100, 100), _
New Point(20, 10), _
New Point(50, 200), _
New Point(200, 150) _
}
" Connect the points with dashed lines.
Dim dashed_pen As New Pen(Color.Black, 0)
dashed_pen.DashStyle = Drawing2D.DashStyle.Dash
For i As Integer = 0 To 2
e.Graphics.DrawLine(dashed_pen, pts(i), pts(i + 1))
Next i
" Draw the Bezier curve.
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.HighQuality
Dim bez_pen As New Pen(Color.Black, 3)
e.Graphics.DrawBezier(bez_pen, pts(0), pts(1), pts(2), pts(3))
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>

==Draw Beziers Curves==

<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
" Define the Bezier curve"s control points.
Dim pts() As Point = { _
New Point(10, 10), _
New Point(200, 10), _
New Point(50, 200), _
New Point(200, 150), _
New Point(250, 50), _
New Point(250, 200), _
New Point(100, 250), _
New Point(250, 50), _
New Point(250, 200), _
New Point(100, 250) _
}
" Connect the points with dashed lines.
Dim dashed_pen As New Pen(Color.Black, 0)
dashed_pen.DashStyle = Drawing2D.DashStyle.Dash
For i As Integer = 0 To pts.Length - 2
e.Graphics.DrawLine(dashed_pen, pts(i), pts(i + 1))
Next i
" Draw the Bezier curve.
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.HighQuality
Dim bez_pen As New Pen(Color.Black, 3)
e.Graphics.DrawBeziers(bez_pen, pts)
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>

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VB.Net/2D/Bezier - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия