split an Image into Multiple Parts RSS

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  jignesh_logi...

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  split an Image into Multiple Parts

  Apr 12, 2008 06:25 AM|LINK

  Hi,Friends i want to slice an image in multiple parts.Like http://www.html-kit.com/e/is.cgi.

  I done it Like this.I write

  SplitImage Function as below

  Private Function SplitImage(ByVal wholeImage As Image, ByVal rows As Integer, ByVal columns As Integer) As Image()

  Dim cellWidth As Single = CType(wholeImage.Width / columns, Single)

  Dim cellHeight As Single = CType(wholeImage.Height / rows, Single)

  ' Create an array of RectangleF to hold the RectangleFs

  ' that define parts (cells) of the wholeImage.

  Dim rectangleFs((rows * columns) - 1) As Drawing.RectangleF

  ' Fill RectangleFs array with RectangleF objects.

  Dim currentRow As Single = 0

  Dim currentColumn As Single = 0

  Dim rectangleFIndex As Integer = 0

  For currentRow = 0 To rows - 1

  For currentColumn = 0 To columns - 1Dim newRectangleF As New Drawing.RectangleF()

  newRectangleF.X = currentColumn * cellWidth

  newRectangleF.Y = currentRow * cellHeight

  newRectangleF.Width = cellWidth

  newRectangleF.Height = cellHeight

  rectangleFs(rectangleFIndex) = newRectangleF

  rectangleFIndex += 1

  Next

  Next

  ' Create an array of Images to contain the images

  ' that will be created from the wholeImage.

  Dim images(rectangleFs.GetLength(0)) As Image

  ' Fill images array with Images.

  Dim i As Integer = 0

  For i = 0 To rectangleFs.GetUpperBound(0)

  Dim newBitMap As New Drawing.Bitmap(CType(cellWidth, Integer), _

  CType(cellHeight, Integer))

  Dim bitMapGraphics As Drawing.Graphics = Graphics.FromImage(newBitMap)

  bitMapGraphics.Clear(Color.Blue)

  bitMapGraphics.DrawImage(wholeImage, newBitMap.GetBounds(GraphicsUnit.Pixel), _

  rectangleFs(i), GraphicsUnit.Pixel)

  images(i) = newBitMap

  ' wholeImage.Save("D:/Temp/" + i.ToString() + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg)

  Next

  Return images

  End Function

  In this Function WholeImage is an image to be Splitted as System.Drawing.Image

  integer rows & columns are into how many rows & cols to split the image.

  May this helps you

  Thanks

  Jignesh

  ~ Remember To Mark The Post(s) That Helped You As The ANSWER ~

  Split an Image into Multiple parts

  Jignesh
  
  Arise, awake; and stop not till the goal is reached
  
  
  • Edited by jignesh_login on Apr 14, 2008 04:16 AM
  • Edited by jignesh_login on Apr 14, 2008 04:17 AM