Thursday, May 15, 2008

Create Thumbnail Image By File Uplod

Dim objImage, objThumbnail As System.Drawing.Image
Dim strServerPath, strFileName As String
Dim shtWidth, shtHeight As Short
'get image folder path on server
strServerPath = "C:\Documents and Settings\user2\Desktop\1m.jpg"
'retrive name of file to resize from query string
strFileName = "C:\Documents and Settings\user2\Desktop\1m.jpg"
'retrive file ,or error.gif if not available
Try
objImage = Drawing.Image.FromFile(strFileName)
Catch
objImage = Drawing.Image.FromFile(strServerPath)
End Try
'retrive width
shtWidth = 50
'work out a proportion height from widht
shtHeight = objImage.Height / (objImage.Width / shtWidth)
'Create Thumbnail
objThumbnail = objImage.GetThumbnailImage(shtWidth, shtHeight, Nothing, System.IntPtr.Zero)
'send down to client show image in browser
Response.ContentType = "image/Jpeg"
'objThumbnail.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg)
objThumbnail.Save("C:\Documents and Settings\user2\Desktop\" + "ddc.jpeg", System.Drawing.Imaging.ImageFormat.Jpeg)
'Tidy up
objImage.Dispose()
objThumbnail.Dispose()

No comments: