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). Enjoy!

语言：Objective-C · GitHub 星标：42 · Fork：3

在 GitHub 上查看原仓库