Question

Hiii Everyone i m developing a Photo Collage App in iPhone and i want to use scissor functionality in my app so any one have idea how to get this fun. in my app and if anyone know about any open Source API to provide Scissor functionality…..

Answer 1

Look in this guide In short, use this function, it makes cropped image from uncropped image and cropping mask.

CGImageRef CGImageCreateWithMask (
   CGImageRef image,
   CGImageRef mask
);