RubAndReveal

RubAndReveal is a iOS library for you to create the effect of rubbing/wiping a front layer of image to reveal the back image.

Installation

Using CocoaPods

pod 'RubAndReveal', '~> 0.1.1'

Usage

Objective-C

• instantiate the RubAndReveal view

  RubAndReveal *demoView = [[RubAndReveal alloc] init];

• configure the frame of the view

• set the image

  [demoView configureLayoutWithBackImage:backImage
                              frontImage:frontImage];

• add to subview

  [self.view addSubview demoView];

• reset image if you want

  [demoView resetImage];

Swift

• instantiate the RubAndReveal view

  let demoView = RubAndReveal()

• configure the frame of the view

• set the image

  demoView.configureLayoutWithBackImage(backImage, frontImage: frontImage)

• add to subview

  self.view.addSubview(demoView)

• reset image if you want

  demoView.resetImage()

Customization

you can change these properties for the RubAndReveal view

• NSString *lineCap: it specifies the shape of the endpoints of an open path when rub
• NSString *lineJoin: it specifies the style for join of the rubbing path
• CGFloat lineWidth: it specifies the width of the rubbing stroke