VB.Net/2D/Translate

Материал из VB Эксперт
Перейти к: навигация, поиск

Rotate 45 degrees and Translate 150 horizontally and 50 vertically

<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text 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
       " Set the font and font antialiasing properties.
       Me.Font = New Font("Times New Roman", 20, FontStyle.Bold, GraphicsUnit.Pixel)
       e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit
       " Draw the original arrow.
       DrawArrow(e.Graphics, "Arrow")
       " Rotate 45 degrees.
       e.Graphics.RotateTransform(45, MatrixOrder.Append)
       " Translate 150 horizontally and 50 vertically.
       e.Graphics.TranslateTransform(150, 50, MatrixOrder.Append)
       DrawArrow(e.Graphics, "B2")
   End Sub
   " Draw an arrow outline containing some text.
   Private Sub DrawArrow(ByVal gr As Graphics, ByVal txt As String)
       " Draw the arrow.
       Dim pts() As Point = { _
           New Point(80, 20), _
           New Point(120, 20), _
           New Point(120, 10), _
           New Point(140, 30), _
           New Point(120, 50), _
           New Point(120, 40), _
           New Point(80, 40) _
       }
       gr.FillPolygon(Brushes.White, pts)
       gr.DrawPolygon(Pens.Black, pts)
       " Draw the text.
       Dim layout_rectangle As New RectangleF(80, 20, 50, 20)
       Dim string_format As New StringFormat
       string_format.LineAlignment = StringAlignment.Center
       string_format.Alignment = StringAlignment.Center
       gr.DrawString(txt, Me.Font, Brushes.Black, _
           layout_rectangle, string_format)
   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>


Translate 150 horizontally and 50 vertically

<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text 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
       " Set the font and font antialiasing properties.
       Me.Font = New Font("Times New Roman", 20, FontStyle.Bold, GraphicsUnit.Pixel)
       e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit
       " Draw the original arrow.
       DrawArrow(e.Graphics, "Arrow")
       " Translate 150 horizontally and 50 vertically.
       e.Graphics.TranslateTransform(150, 50, MatrixOrder.Append)
       DrawArrow(e.Graphics, "A1")
   End Sub
   " Draw an arrow outline containing some text.
   Private Sub DrawArrow(ByVal gr As Graphics, ByVal txt As String)
       " Draw the arrow.
       Dim pts() As Point = { _
           New Point(80, 20), _
           New Point(120, 20), _
           New Point(120, 10), _
           New Point(140, 30), _
           New Point(120, 50), _
           New Point(120, 40), _
           New Point(80, 40) _
       }
       gr.FillPolygon(Brushes.White, pts)
       gr.DrawPolygon(Pens.Black, pts)
       " Draw the text.
       Dim layout_rectangle As New RectangleF(80, 20, 50, 20)
       Dim string_format As New StringFormat
       string_format.LineAlignment = StringAlignment.Center
       string_format.Alignment = StringAlignment.Center
       gr.DrawString(txt, Me.Font, Brushes.Black, _
           layout_rectangle, string_format)
   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>