Files
2020-04-12 21:09:07 +04:00

78 lines
2.6 KiB
Swift

// MIT License
// Copyright (c) 2020 Haik Aslanyan
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
import Foundation
import UIKit
extension Array {
func chunked(into size: Int) -> [[Element]] {
return stride(from: 0, to: count, by: count / size).map {
Array(self[$0 ..< Swift.min($0 + count / size, count)])
}
}
}
extension UInt8 {
var bits: [RCBit] {
var bytes = self
var bits = [RCBit](repeating: .zero, count: self.bitWidth)
(0..<bitWidth).forEach { index in
let currentBit = bytes & 0x01
if currentBit != 0 {
bits[index] = .one
}
bytes >>= 1
}
return bits
}
}
extension Array where Self.Element == RCBit {
func bytes() -> [UInt8] {
let numBits = count
let numBytes = (numBits + 7) / 8
var bytes = [UInt8](repeating: 0, count: numBytes)
self.enumerated().forEach { item in
if item.element == .one {
bytes[item.offset / 8] += 1 << (7 - item.offset % 8)
}
}
return bytes
}
}
extension UIScreen {
func setBrightness(to value: CGFloat, duration: TimeInterval = 1.0, ticksPerSecond: Double = 120) {
let startingBrightness = UIScreen.main.brightness
let delta = value - startingBrightness
let totalTicks = Int(ticksPerSecond * duration)
let changePerTick = delta / CGFloat(totalTicks)
let delayBetweenTicks = 1 / ticksPerSecond
let time = DispatchTime.now()
for i in 1...totalTicks {
DispatchQueue.main.asyncAfter(deadline: time + delayBetweenTicks * Double(i)) {
UIScreen.main.brightness = max(min(startingBrightness + (changePerTick * CGFloat(i)),1),0)
}
}
}
}