invert colors of Image

Question

Possible Duplicate:
UIImage color changing?

I have one image with Grey and white color.I want to change Grey color to white and change white color to Grey through code dynamically. Please help.

Answer 1

Better to look out for Open CV framework, because the thing which you are expecting in already available with this framework.

You can get the source from here

Sample Code : Convert RGB to Black & White in OpenCV

Convert image document to black and white with OpenCV

Hope that would give you some new idea about image processing. :)