VB.Net/2D/Scale
Содержание
Matrix Scale 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 MatrixMarginsForm() Application.Run(myform) End Sub
End Class
Public Class MatrixMarginsForm
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. Friend WithEvents statusBar1 As System.Windows.Forms.StatusBar <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.statusBar1 = New System.Windows.Forms.StatusBar() Me.SuspendLayout() " "statusBar1 " Me.statusBar1.Location = New System.Drawing.Point(0, 244) Me.statusBar1.Name = "statusBar1" Me.statusBar1.Size = New System.Drawing.Size(292, 22) Me.statusBar1.TabIndex = 1 Me.statusBar1.Text = "statusBar1" " "MatrixMarginsForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 266) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.statusBar1}) Me.Name = "MatrixMarginsForm" Me.Text = "MatrixMarginsForm" Me.ResumeLayout(False) End Sub
- End Region
Sub ScaleExample(ByVal e As PaintEventArgs) Dim myPen As Pen = New Pen(Color.Blue, 1) Dim myPen2 As Pen = New Pen(Color.Red, 1) e.Graphics.DrawRectangle(myPen, 5, 5, 10, 10) Dim myMatrix As Matrix = New Matrix() myMatrix.Scale(3, 2, MatrixOrder.Append) e.Graphics.Transform = myMatrix e.Graphics.DrawRectangle(myPen2, 5, 5, 10, 10) End Sub Sub Margins_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint ScaleExample(e) End Sub
End Class
</source>
==Scale:/td>
<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 ScalingFontsForm() Application.Run(myform) End Sub
End Class
Public Class ScalingFontsForm
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() " "ScalingFontsForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(512, 70) Me.Name = "ScalingFontsForm" Me.Text = "ScalingFontsForm" End Sub
- End Region
Sub ScalingFontsForm_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 Dim height As Integer = Me.ClientRectangle.Height Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim matrix As Matrix = New Matrix() g.ResetTransform() g.DrawRectangle(Pens.Black, x, y, width, height) matrix.Reset() matrix.Scale(1, 1) g.Transform = matrix g.DrawString("Scale(1,1)", Me.Font, Brushes.Black, New RectangleF(x, y, width, height), format) x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y) End Sub
End Class
</source>
==Scale:/td>
<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 ScalingFontsForm() Application.Run(myform) End Sub
End Class
Public Class ScalingFontsForm
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() " "ScalingFontsForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(512, 70) Me.Name = "ScalingFontsForm" Me.Text = "ScalingFontsForm" End Sub
- End Region
Sub ScalingFontsForm_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 Dim height As Integer = Me.ClientRectangle.Height Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim matrix As Matrix = New Matrix() g.ResetTransform() g.DrawRectangle(Pens.Black, x, y, width, height) matrix.Reset() matrix.Scale(1, 3) g.Transform = matrix g.DrawString("Scale(1,3)", Me.Font, Brushes.Black, New RectangleF(x, y / 3.0F, width, height / 3.0F), format) x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y) End Sub
End Class
</source>
==Scale:/td>
<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 ScalingFontsForm() Application.Run(myform) End Sub
End Class
Public Class ScalingFontsForm
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() " "ScalingFontsForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(512, 70) Me.Name = "ScalingFontsForm" Me.Text = "ScalingFontsForm" End Sub
- End Region
Sub ScalingFontsForm_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 Dim height As Integer = Me.ClientRectangle.Height Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim matrix As Matrix = New Matrix() g.ResetTransform() g.DrawRectangle(Pens.Black, x, y, width, height) matrix.Reset() matrix.Scale(3, 1) g.Transform = matrix g.DrawString("Scale(3,1)", Me.Font, Brushes.Black, New RectangleF(x / 3.0F, y, width / 3.0F, height), format) x = IIf(x > Me.ClientRectangle.Width - 2 * width, 0, x + width) y = IIf(x = 0, y + height, y) End Sub
End Class
</source>
Scale by a factor of 30
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing Imports System.Windows.Forms
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 MyBase.Paint " Scale by a factor of 30. e.Graphics.ScaleTransform(30, 30, MatrixOrder.Append) DrawArrow(e.Graphics, HatchStyle.Horizontal) End Sub " Draw an arrow outline. Private Sub DrawArrow(ByVal gr As Graphics, ByVal hatch_style As HatchStyle) Dim pts() As Point = { _ New Point(0, 1), _ New Point(2, 1), _ New Point(2, 0), _ New Point(4, 2), _ New Point(2, 4), _ New Point(2, 3), _ New Point(0, 3) _ } gr.FillPolygon(New HatchBrush(hatch_style, Color.Black, Color.White), pts) gr.DrawPolygon(New Pen(Color.Black, 0), 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(292, 273) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Scale by a factor of 30 and Rotate 30 degrees
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing Imports System.Windows.Forms
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 MyBase.Paint e.Graphics.ScaleTransform(30, 30, MatrixOrder.Append) " Rotate 30 degrees. e.Graphics.RotateTransform(30, MatrixOrder.Append) DrawArrow(e.Graphics, HatchStyle.Cross) End Sub " Draw an arrow outline. Private Sub DrawArrow(ByVal gr As Graphics, ByVal hatch_style As HatchStyle) Dim pts() As Point = { _ New Point(0, 1), _ New Point(2, 1), _ New Point(2, 0), _ New Point(4, 2), _ New Point(2, 4), _ New Point(2, 3), _ New Point(0, 3) _ } gr.FillPolygon(New HatchBrush(hatch_style, Color.Black, Color.White), pts) gr.DrawPolygon(New Pen(Color.Black, 0), 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(292, 273) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Scale by a factor of 30 and Translate 150 horizontally and 60 vertically
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing Imports System.Windows.Forms
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 MyBase.Paint " Translate 150 horizontally and 60 vertically. e.Graphics.ScaleTransform(30, 30, MatrixOrder.Append) e.Graphics.TranslateTransform(150, 60, MatrixOrder.Append) DrawArrow(e.Graphics, HatchStyle.Vertical) End Sub " Draw an arrow outline. Private Sub DrawArrow(ByVal gr As Graphics, ByVal hatch_style As HatchStyle) Dim pts() As Point = { _ New Point(0, 1), _ New Point(2, 1), _ New Point(2, 0), _ New Point(4, 2), _ New Point(2, 4), _ New Point(2, 3), _ New Point(0, 3) _ } gr.FillPolygon(New HatchBrush(hatch_style, Color.Black, Color.White), pts) gr.DrawPolygon(New Pen(Color.Black, 0), 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(292, 273) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Scale Transform Demo
<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing.Text Imports System.Drawing Imports System.Drawing.Drawing2D 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 Dim device_rect As New Rectangle(50, 50, 150, 150) e.Graphics.DrawRectangle(Pens.Black, device_rect) Dim world_rect As New Rectangle(0, 0, 1, 1) MapRectangles(e.Graphics, world_rect, device_rect) Dim the_pen As New Pen(Color.Black, 0) e.Graphics.FillEllipse(Brushes.Yellow, 0, 0, 1, 1) " Face. e.Graphics.DrawEllipse(the_pen, 0, 0, 10, 10) End Sub
" Map a world coordinate rectangle to a device coordinate rectangle. Private Sub MapRectangles(ByVal gr As Graphics, ByVal world_rect As Rectangle, ByVal device_rect As Rectangle) gr.ResetTransform() gr.ScaleTransform( _ CSng(device_rect.Width / world_rect.Width), _ CSng(device_rect.Height / world_rect.Height), _ MatrixOrder.Append) 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>
Shear: 0,0
<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 ShearingForm() Application.Run(myform) End Sub
End Class
Public Class ShearingForm
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 = "ShearingForm" End Sub
- End Region
Sub ShearingForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint Dim g As Graphics = e.Graphics Dim width As Single = 200 Dim height As Single = 50 Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim rect As RectangleF = New RectangleF(0, 0, width, height) Dim matrix As Matrix = New Matrix() matrix.Translate(0, 0) matrix.Shear(0.0F, 0.0F) g.Transform = matrix g.DrawString("Shear(0,0)", Me.Font, Brushes.Black, rect, format) g.DrawRectangle(Pens.Black, rect.X, rect.Y, rect.Width, rect.Height) End Sub
End Class
</source>