VB.Net/2D/Text Contrast
Text Contrast 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 TextContrastForm() Application.Run(myform) End Sub
End Class
Public Class TextContrastForm
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() " "TextContrastForm " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.White Me.ClientSize = New System.Drawing.Size(292, 266) Me.Name = "TextContrastForm" Me.Text = "TextContrastForm" End Sub
- End Region
Private Sub TextContrastForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint Dim g As Graphics = e.Graphics Dim s As String = "String String String String" Dim format As StringFormat = New StringFormat() format.FormatFlags = StringFormatFlags.NoWrap Dim y As Single = 0 Dim i As Integer For i = 0 To 12 Step 1 g.TextContrast = i Dim line As String = "Contrast = " & i.ToString() & ": " & s g.DrawString(line, Me.Font, Brushes.Black, 0, y, format) y = y + Me.Font.GetHeight(g) + 10 Next End Sub
End Class
</source>