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Manipulate Bitmap Color

Posted By:santhiyagu       Posted Date: August 28, 2010    Points: 10    Category: Visual Studio    URL: http://www.dotnetspark.com  

Manipulate Bitmap Color
 

Manipulate Bitmap Color
 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
  End Sub

  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
    Dim bmp As Bitmap = New Bitmap("figure2.bmp")
    Dim c As Color
    Dim x, y As Int32

    e.Graphics.DrawImage(bmp, 10, 30)

    For x = 0 To bmp.Width - 1
      For y = 0 To bmp.Height - 1
        c = bmp.GetPixel(x, y)
        c = Color.FromArgb(c.ToArgb() + 100)
        bmp.SetPixel(x, y, c)
      Next
    Next

    e.Graphics.DrawImage(bmp, 150, 30)
  End Sub
End Class

     

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