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T O P I C    R E V I E W
giuseppe Posted - Sep 19 2012 : 07:46:47
I have a TImageENDBView Control with a tiff image loaded.
I need to load a TImageENMView Control from the previus control in order to diplay multiple image!!

Any helps?

Thank you
6   L A T E S T    R E P L I E S    (Newest First)
giuseppe Posted - Sep 20 2012 : 23:48:15
Thank You!!
w2m Posted - Sep 20 2012 : 05:59:59
If you have the multiframe tif in an ImageEnMView then just call 
ImageEnMView1.MIO.SaveToFileTIFF(SavePictureDialog1.FileName);

This will save all the frames in the ImageEnMView.

If you have only one frame of a tif file in a database blob there is no way to save all the frames that I know of. ImageEn must be able to read all of the frames in order to save to a multiframe tif. That is why ImageEnMView is one of the simple ways to save multiframe files.

I have little experience trying to deal with multiframe files with ImageEnDBView so my experience is limited here. I suppose you could store each frame in a seperate blob, but this seems a messy way to do it.

If you just store the path to the file in your database you have a number of ways to load, view and save the frames by using in-memory storage of the frames or by placing an ImageEnView on a pagecontrol tabsheet, then loading each frame of the tif file on a ImageEnView tabsheet.

There are demonstration projects written with Delphi 2010 in my EBook that shows how to load, display and save multiframe tif files to TIEImageList as well as on a pagecontrol.

William Miller
Adirondack Software & Graphics
Email: w2m@frontiernet.net
EBook: http://www.imageen.com/ebook/
Apprehend: http://www.frontiernet.net/~w2m/index.html
giuseppe Posted - Sep 20 2012 : 02:34:36
Thank you for your reply!!
I finally changed the DBView control with a ImageenView, saving the blob field into a file and then loading the file!

I have a problem with the ImageEnIO when i save a tiff file!!

It saves just the first page of the multipages file!!

The control is connected to the ImageenView by the attachedimageen property!!

Code:

ImageEnIO1.SaveToFile('c:\pp.tif',ioTIFF);

Thank You
w2m Posted - Sep 19 2012 : 09:16:24
Look at the DBMView example in ...\samples\database...

You could also look to see if the ImageEnDBView.IO.Params.Filename is filled with the path to the image as well.

Adirondack Software & Graphics
Email: w2m@frontiernet.net
EBook: http://www.imageen.com/ebook/
Apprehend: http://www.frontiernet.net/~w2m/index.html

William Miller
giuseppe Posted - Sep 19 2012 : 08:22:04
Sorry, i have a blob field with the image inside!!
w2m Posted - Sep 19 2012 : 08:14:11
I rarely use ImageEnDBView so this is untested. But if you have a database field with the path to the image you can just use ImageEnMView1.MIO.LoadFromFile('c:\images\test.tif');

You could also look at TImageEnDBView.AbsolutePath in the help file.

William Miller
Adirondack Software & Graphics
Email: w2m@frontiernet.net
EBook: http://www.imageen.com/ebook/
Apprehend: http://www.frontiernet.net/~w2m/index.html