Mega Code Archive
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Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class AlphaBlending
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 g As Graphics = Me.CreateGraphics()
g.Clear(Me.BackColor)
Dim curImage As Image = Image.FromFile("yourfile.jpg")
g.DrawImage(curImage, 0, 0, curImage.Width, curImage.Height) '
Dim opqPen As New Pen(Color.FromArgb(255, 0, 255, 0), 10)
Dim transPen As New Pen(Color.FromArgb(128, 0, 255, 0), 10)
Dim totTransPen As New Pen(Color.FromArgb(40, 0, 255, 0), 10)
g.DrawLine(opqPen, 10, 10, 200, 10)
g.DrawLine(transPen, 10, 30, 200, 30)
g.DrawLine(totTransPen, 10, 50, 200, 50)
Dim semiTransBrush As New SolidBrush(Color.FromArgb(90, 255, 255, 0))
g.DrawString("Photo " + ControlChars.Lf + "Date: 04/09/2001", New Font("Verdana", 14), semiTransBrush, New RectangleF(20, 100, 300, 100))
' Dispose
g.Dispose()
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
]]>