VB.Net Tutorial/2D Graphics/StringFormat — различия между версиями

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Текущая версия на 12:54, 26 мая 2010

Default String Format Flags

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class DefaultStringFormatFlag
   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 = "The quick brown fox jumps over the lazy dog."
        Dim the_font As New Font("Garamond", 40, FontStyle.Italic, GraphicsUnit.Pixel)
        Dim layout_rect As RectangleF
        Dim string_format As New StringFormat
        string_format.Alignment = StringAlignment.Near
        string_format.LineAlignment = StringAlignment.Near
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        layout_rect = New RectangleF(10, 20, 200, 70)
        e.Graphics.DrawString("<default>", Me.Font, Brushes.Black, layout_rect.X, layout_rect.Y - 20)
        e.Graphics.DrawRectangle(Pens.White, Rectangle.Round(layout_rect))
        e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)

  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

Draw String Layout Rectangle

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class DrawStringLayoutRectangle
   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 = "The quick brown fox jumps over the lazy dog."
        Dim big_font As New Font("Times New Roman", 30, FontStyle.Bold)
        Dim layout_rect As New RectangleF(10, 10, Me.ClientSize.Width - 20, Me.ClientSize.Height - 20)
        Dim string_format As New StringFormat
        string_format.Alignment = StringAlignment.Center
        string_format.LineAlignment = StringAlignment.Near
        e.Graphics.DrawString(txt, big_font, Brushes.Black, layout_rect, string_format)
        e.Graphics.DrawRectangle(Pens.Black, Rectangle.Round(layout_rect))
    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

Set Tab stop

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class SetTabs
   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 the_font As New Font("Times New Roman", 15, FontStyle.Regular, GraphicsUnit.Pixel)
        Dim layout_rect As New RectangleF(10, 10, Me.ClientSize.Width - 20, Me.ClientSize.Height - 20)
        Dim string_format As New StringFormat
        Dim tab_stops() As Single = {60, 80}
        string_format.SetTabStops(0, tab_stops)
        e.Graphics.DrawRectangle(Pens.White, Rectangle.Round(layout_rect))
        Dim x As Single = layout_rect.X
        For i As Integer = 0 To tab_stops.Length - 1
            x += tab_stops(i)
            e.Graphics.DrawLine(Pens.White, x, layout_rect.Top, x, layout_rect.Bottom)
        Next i
        Dim rnd As New Random
        Dim txt As String = "A" & vbTab & "BBB" & vbTab & "C" & vbCrLf
        For r As Integer = 1 To 10
            txt &= rnd.Next(10, 99) & vbTab & rnd.NextDouble.ToString("0.000000") & vbTab & rnd.NextDouble.ToString("0.00") & vbCrLf
        Next r
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)

  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

StringFormatFlags.LineLimit

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class LineLimitStringFormatFlag
   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 = "The quick brown fox jumps over the lazy dog."
        Dim the_font As New Font("Garamond", 40, FontStyle.Italic, GraphicsUnit.Pixel)
        Dim layout_rect As RectangleF
        Dim string_format As New StringFormat
        string_format.Alignment = StringAlignment.Near
        string_format.LineAlignment = StringAlignment.Near
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        layout_rect = New RectangleF(10, 20, 200, 70)
        string_format.FormatFlags = StringFormatFlags.LineLimit
        e.Graphics.DrawString("LineLimit", Me.Font, Brushes.Black, layout_rect.X, layout_rect.Y - 20)
        e.Graphics.DrawRectangle(Pens.White, Rectangle.Round(layout_rect))
        e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)

  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

StringFormatFlags.NoClip

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class NoClipStringFormatFlag
   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 = "The quick brown fox jumps over the lazy dog."
        Dim the_font As New Font("Garamond", 40, FontStyle.Italic, GraphicsUnit.Pixel)
        Dim layout_rect As RectangleF
        Dim string_format As New StringFormat
        string_format.Alignment = StringAlignment.Near
        string_format.LineAlignment = StringAlignment.Near
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        layout_rect = New RectangleF(10, 20, 200, 70)
        string_format.FormatFlags = StringFormatFlags.NoClip
        e.Graphics.DrawString("NoClip", Me.Font, Brushes.Black, layout_rect.X, layout_rect.Y - 20)
        e.Graphics.DrawRectangle(Pens.White, Rectangle.Round(layout_rect))
        e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)
  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

StringFormat.LineAlignment = StringAlignment.Center

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineAlignmentStringAlignmentCenter
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
        
        Dim mainFont As Font
        Dim textStyle As New FontStyle
        mainFont = New Font("Arial", 20, textStyle)
        
        Dim textArea As Rectangle = New Rectangle(20, 20, 500, 200)
        Dim textFormat As StringFormat = New StringFormat
        textFormat.LineAlignment = StringAlignment.Center
        e.Graphics.DrawRectangle(Pens.Gray, textArea)
        e.Graphics.DrawString("www.vbex.ru", mainFont, Brushes.Black, textArea, textFormat)
        canvas = Nothing
    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(610, 328)
        Me.ResumeLayout(False)
    End Sub
End Class

StringFormat.LineAlignment = StringAlignment.Far

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineAlignmentStringAlignmentFar
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
        
        Dim mainFont As Font
        Dim textStyle As New FontStyle
        mainFont = New Font("Arial", 20, textStyle)
        
        Dim textArea As Rectangle = New Rectangle(20, 20, 500, 200)
        Dim textFormat As StringFormat = New StringFormat
        textFormat.LineAlignment = StringAlignment.Far
        e.Graphics.DrawRectangle(Pens.Gray, textArea)
        e.Graphics.DrawString("www.vbex.ru", mainFont, Brushes.Black, textArea, textFormat)
        canvas = Nothing
    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(610, 328)
        Me.ResumeLayout(False)
    End Sub
End Class

StringFormat.LineAlignment = StringAlignment.Near

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class LineAlignmentStringAlignmentNear
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
        Dim canvas As Graphics = e.Graphics
        
        Dim mainFont As Font
        Dim textStyle As New FontStyle
        mainFont = New Font("Arial", 20, textStyle)
        
        Dim textArea As Rectangle = New Rectangle(20, 20, 500, 200)
        Dim textFormat As StringFormat = New StringFormat
        textFormat.LineAlignment = StringAlignment.Near
        e.Graphics.DrawRectangle(Pens.Gray, textArea)
        e.Graphics.DrawString("www.vbex.ru", mainFont, Brushes.Black, textArea, textFormat)
        canvas = Nothing
    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(610, 328)
        Me.ResumeLayout(False)
    End Sub
End Class
Источник — «http://vbex.ru/index.php?title=VB.Net_Tutorial/2D_Graphics/StringFormat&oldid=3268»