update readme

MetalFilters/Views/FilterControlView.swift

@@ -23,11 +23,9 @@ class FilterControlView: UIView {
     var value: Float = 0
 
     private let cancelButton: UIButton
-
     private let doneButton: UIButton
-
     private let titleLabel: UILabel
-
+    private let borderButton: UIButton
     private let sliderView: HorizontalSliderView
 
     private let filterTool: FilterToolItem
@@ -56,6 +54,11 @@ class FilterControlView: UIView {
 
         sliderView = HorizontalSliderView(frame: CGRect(x: 30, y: frame.height/2 - 50, width: frame.width - 60, height: 70))
 
+        borderButton = UIButton(type: .system)
+        borderButton.frame.size = CGSize(width: 22, height: 22)
+        borderButton.setImage(UIImage(named: "filter-border"), for: .normal)
+        borderButton.setImage(UIImage(named: "filter-border-active"), for: .selected)
+
         super.init(frame: frame)
 
         if filterTool.type == .color {
@@ -98,6 +101,12 @@ class FilterControlView: UIView {
         sliderView.slider.addTarget(self, action: #selector(sliderValueChanged(_:)), for: .valueChanged)
     }
 
+    override func layoutSubviews() {
+        super.layoutSubviews()
+
+//        if filterTool.type == .
+    }
+
     @objc private func cancelButtonTapped() {
         delegate?.filterControlViewDidPressCancel()
     }

README.md

@@ -1,10 +1,12 @@
+![App Logo](Assets/MetalFiltersAppLogo.png)
 
 Just a demo using [MetalPetal](https://github.com/MetalPetal/MetalPetal) to implement Instagram filters.
 
 ## Features
 
 * Instagram like photo picker
 * All Instagram filters
+* Slider to control Strength of filters
 
 ## Requirements