zhuweicao / ios-darken-image-with-cifilter Goto Github PK
View Code? Open in Web Editor NEWThis project forked from bryanjclark/ios-darken-image-with-cifilter
I was frustrated trying to get a CIFilter that'd work to darken an image by 50% (the equivalent, in photoshop, to adding a 0.5-alpha black layer in front of a picture). An hour later, I figured it out. Enjoy!