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I am working on one module of application. in this I need to perform brightness operation on the image [ I have done this using OpenGL ES ].
Now I am stuck on how to revert back this brightness operation if in between user clicks “Cancel”. As I am drawing on same layer for brightness operation.
I am new to OpenGL and might missing some basics. can anyone help me to give me some direction regarding same.
Thanks,
Sagar
I have achieved this using two separate UIView. one for actual displaying and second one for OpenGL View. so whenever user clicks done I pass the UIImage from OpenGL view else on cancel shows the previous image.