Watermark « image « iPhone iPad Media Q&A

1. How do I disable screenshots on iphone or automatically watermark image?    stackoverflow.com

Possible Duplicate:
Notification of or detecting screenshot being taken?

2. how to add watermark on a exist image    stackoverflow.com

as topic, or whether has exist open source library that can be use for such function ? adjust size, rotate , or etc. thanks for help in advanced again, I found ...

3. How can I process an image to remove a watermark within my iPhone application?    stackoverflow.com

I want to remove watermark from a picture within my iPhone / iPad application. Is there any kind of image processing I can perform within this application to do this? ...

4. How to add watermarks on an image in iphone    stackoverflow.com

I want to add watermarks on an UIImage....for that i have googled and also study questions on this website like this But did not got any help...Can anyone help me? PLease....it is ...

5. how to watermark a rendered PDF (on context) without repeating the image    stackoverflow.com

I'm rendering a PDF file on my iPad using a graphics PDF context. The PDFs vary in size but may be up to 90 pages. I need a background image on ...