本文整理汇总了VB.NET中System.Drawing.Graphics.MeasureCharacterRanges方法的典型用法代码示例。如果您正苦于以下问题：VB.NET Graphics.MeasureCharacterRanges方法的具体用法？VB.NET Graphics.MeasureCharacterRanges怎么用？VB.NET Graphics.MeasureCharacterRanges使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.Graphics的用法示例。
在下文中一共展示了Graphics.MeasureCharacterRanges方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: MeasureCharacterRangesRegions
Private Sub MeasureCharacterRangesRegions(ByVal e As PaintEventArgs)
' Set up string.
Dim measureString As String = "First and Second ranges"
Dim stringFont As New Font("Times New Roman", 16.0F)
' Set character ranges to "First" and "Second".
Dim characterRanges As CharacterRange() = _
{New CharacterRange(0, 5), New CharacterRange(10, 6)}
' Create rectangle for layout.
Dim x As Single = 50.0F
Dim y As Single = 50.0F
Dim width As Single = 35.0F
Dim height As Single = 200.0F
Dim layoutRect As New RectangleF(x, y, width, height)
' Set string format.
Dim stringFormat As New StringFormat
stringFormat.FormatFlags = StringFormatFlags.DirectionVertical
stringFormat.SetMeasurableCharacterRanges(characterRanges)
' Draw string to screen.
e.Graphics.DrawString(measureString, stringFont, Brushes.Black, _
x, y, stringFormat)
' Measure two ranges in string.
Dim stringRegions() As [Region] = e.Graphics.MeasureCharacterRanges(measureString, _
stringFont, layoutRect, stringFormat)
' Draw rectangle for first measured range.
Dim measureRect1 As RectangleF = _
stringRegions(0).GetBounds(e.Graphics)
e.Graphics.DrawRectangle(New Pen(Color.Red, 1), _
Rectangle.Round(measureRect1))
' Draw rectangle for second measured range.
Dim measureRect2 As RectangleF = _
stringRegions(1).GetBounds(e.Graphics)
e.Graphics.DrawRectangle(New Pen(Color.Blue, 1), _
Rectangle.Round(measureRect2))
End Sub示例2: MeasureCharacterRange
' 导入命名空间
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class MeasureCharacterRange
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 = "www.java2s.com"
Dim the_font As New Font("Times New Roman", 50, FontStyle.Bold, GraphicsUnit.Pixel)
Dim layout_rect As New RectangleF(0, 0, Me.ClientSize.Width, Me.ClientSize.Height)
Dim string_format As New StringFormat
string_format.LineAlignment = StringAlignment.Center
string_format.Alignment = StringAlignment.Center
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
Dim character_ranges(txt.Length - 1) As CharacterRange
For i As Integer = 0 To txt.Length - 1
character_ranges(i) = New CharacterRange(i, 1)
Next i
string_format.SetMeasurableCharacterRanges(character_ranges)
Dim character_regions() As Region = e.Graphics.MeasureCharacterRanges(txt, the_font, layout_rect, string_format)
For Each rgn As Region In character_regions
Dim character_bounds As RectangleF = rgn.GetBounds(e.Graphics)
Dim character_rect As Rectangle = Rectangle.Round(character_bounds)
e.Graphics.DrawRectangle(Pens.White, character_rect)
Next rgn
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