/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Encapsulates the CoreImage filters that we expose through the Effects UI

 */

import Cocoa

import CoreImage

enum Effect {

    case blur

    case invert

    case monochrome

    var displayName: String {

        switch self {

            case .blur:

                return NSLocalizedString("Blur", comment: "Display name for the blur effect")

            case .invert:

                return NSLocalizedString("Invert Colors", comment: "Display name for the invert effect")

            case .monochrome:

                return NSLocalizedString("Black & White", comment: "Display name for the monochrome effect")

        }

    }

    private var filterName: String {

        switch self {

            case .blur:

                return "CIGaussianBlur"

            case .invert:

                return "CIColorInvert"

            case .monochrome:

                return "CIPhotoEffectMono"

        }

    }

    func createFilter() -> CIFilter {

        let filter = CIFilter(name: filterName)!

        filter.setDefaults()

        return filter

    }

    static var allEffects: [Effect] = [.blur, .invert, .monochrome]

}