Possible Duplicate:
How to make one color transparent on a UIImage?
I've some images came from Server as URL and then I download and draw them on Cells of UITableView.
The images have white background. I need to remove this background to make the image transparent.
I'll rephrase it: Is there a way to detect and recognize white spaces surrounding the component inside the photo, So I delete them and recreate the image? you know like face recognition.
Note: the background is part of the image itself.