Awesome
UIImage+BlurredFrame is a UIImage category that blurs an specified frame of a UIImage
#Install
Install with cocoapods
pod 'UIImage+BlurredFrame'
#Usage
UIImage *img = [UIImage imageNamed:@"myImage"];
CGRect frame = CGRectMake(0, img.size.height - 200, img.size.width, img.size.height - 200);
img = [img applyLightEffectAtFrame:frame];
<img src="https://raw.github.com/Adrian2112/UIImage-BlurredFrame/master/demo_image.png" alt="UIImage-BlurredFrame demo" title="UIImage-BlurredFrame demo" style="display:block; margin: 10px auto 30px auto; align:center">
##Credits
UIImage+ImageEffects
category taken from the 2013 wwdc developer
videos 'Implementing Engaging UI on iOS'
Methods to crop and merge images from this stackoverflow answer
Author
Adrián González