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This commit is contained in:
Christoph Hagen
2022-06-10 21:20:49 +02:00
parent c119885743
commit 093d82893b
93 changed files with 2604 additions and 6509 deletions
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30
Caps/Extensions/Array+Extensions.swift
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@ -1,30 +0,0 @@
//
// Array+Extensions.swift
// CapCollector
//
// Created by Christoph on 12.05.20.
// Copyright © 2020 CH. All rights reserved.
//
import Foundation
extension Array {
func split(intoPartsOf maxElements: Int) -> [ArraySlice<Element>] {
guard !isEmpty, maxElements > 0 else {
return []
}
var result = [ArraySlice<Element>]()
var currentIndex = 0
while true {
let nextIndex = currentIndex + maxElements
if nextIndex >= count {
result.append(self[currentIndex..<count])
return result
}
result.append(self[currentIndex..<nextIndex])
currentIndex += maxElements
}
return result
}
}

30
Caps/Extensions/CGImage+Extensions.swift Normal file
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@ -0,0 +1,30 @@
import CoreGraphics
import VideoToolbox
extension CGImage {
static func create(from cvPixelBuffer: CVPixelBuffer?) -> CGImage? {
guard let pixelBuffer = cvPixelBuffer else {
return nil
}
var image: CGImage?
VTCreateCGImageFromCVPixelBuffer(pixelBuffer, options: nil, imageOut: &image)
return image
}
/**
Crop an image to a square, centered around the middle of the frame
- parameter size: The height and width of the resulting image
- returns: The cropped image
*/
func crop(to size: CGFloat) -> CGImage? {
let rect = CGRect(
x: (CGFloat(height) - size) / 2,
y: (CGFloat(width) - size) / 2,
width: size,
height: size)
return cropping(to: rect)
}
}

8
Caps/Extensions/CGImagePropertyOrientation+Extensions.swift
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@ -1,11 +1,3 @@
//
// CGImagePropertyOrientation+Extensions.swift
// CapCollector
//
// Created by Christoph on 13.05.20.
// Copyright © 2020 CH. All rights reserved.
//
import UIKit
extension CGImagePropertyOrientation {

59
Caps/Extensions/Data+Extensions.swift Normal file
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@ -0,0 +1,59 @@
import Foundation
extension Data {
public var hexEncoded: String {
return map { String(format: "%02hhx", $0) }.joined()
}
// Convert 0 ... 9, a ... f, A ...F to their decimal value,
// return nil for all other input characters
private func decodeNibble(_ u: UInt16) -> UInt8? {
switch(u) {
case 0x30 ... 0x39:
return UInt8(u - 0x30)
case 0x41 ... 0x46:
return UInt8(u - 0x41 + 10)
case 0x61 ... 0x66:
return UInt8(u - 0x61 + 10)
default:
return nil
}
}
public init?(fromHexEncodedString string: String) {
let utf16 = string.utf16
self.init(capacity: utf16.count/2)
var i = utf16.startIndex
guard utf16.count % 2 == 0 else {
return nil
}
while i != utf16.endIndex {
guard let hi = decodeNibble(utf16[i]),
let lo = decodeNibble(utf16[utf16.index(i, offsetBy: 1, limitedBy: utf16.endIndex)!]) else {
return nil
}
var value = hi << 4 + lo
self.append(&value, count: 1)
i = utf16.index(i, offsetBy: 2, limitedBy: utf16.endIndex)!
}
}
}
extension Data {
func convert<T>(into value: T) -> T {
withUnsafeBytes {
$0.baseAddress!.load(as: T.self)
}
}
init<T>(from value: T) {
var target = value
self = Swift.withUnsafeBytes(of: &target) {
Data($0)
}
}
}

28
Caps/Extensions/DispatchGroup+Extensions.swift
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@ -1,28 +0,0 @@
//
// DispatchGroup+Extensions.swift
// CapCollector
//
// Created by iMac on 13.01.21.
// Copyright © 2021 CH. All rights reserved.
//
import Foundation
extension DispatchGroup {
typealias AsyncSuccessCallback = (Bool) -> Void
static func singleTask(timeout: TimeInterval = 30, _ block: (@escaping AsyncSuccessCallback) -> Void) -> Bool {
let group = DispatchGroup()
group.enter()
var result = true
block { success in
result = success
group.leave()
}
guard group.wait(timeout: .now() + timeout) == .success else {
return false
}
return result
}
}

61
Caps/Extensions/UIAlertControllerExtensions.swift
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@ -1,61 +0,0 @@
//
// UIAlertControllerExtensions.swift
// CapFinder
//
// Created by User on 23.03.18.
// Copyright © 2018 User. All rights reserved.
//
import Foundation
import UIKit
extension UIAlertController {
private struct AssociatedKeys {
static var blurStyleKey = "UIAlertController.blurStyleKey"
}
public var blurStyle: UIBlurEffect.Style {
get {
return objc_getAssociatedObject(self, &AssociatedKeys.blurStyleKey) as? UIBlurEffect.Style ?? .extraLight
} set (style) {
objc_setAssociatedObject(self, &AssociatedKeys.blurStyleKey, style, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
view.setNeedsLayout()
view.layoutIfNeeded()
}
}
public var cancelButtonColor: UIColor? {
return blurStyle == .dark ? UIColor(red: 28.0/255.0, green: 28.0/255.0, blue: 28.0/255.0, alpha: 1.0) : nil
}
private var visualEffectView: UIVisualEffectView? {
if let presentationController = presentationController, presentationController.responds(to: Selector(("popoverView"))), let view = presentationController.value(forKey: "popoverView") as? UIView // We're on an iPad and visual effect view is in a different place.
{
return view.recursiveSubviews.compactMap({$0 as? UIVisualEffectView}).first
}
return view.recursiveSubviews.compactMap({$0 as? UIVisualEffectView}).first
}
private var cancelActionView: UIView? {
return view.recursiveSubviews.compactMap({
$0 as? UILabel}
).first(where: {
$0.text == actions.first(where: { $0.style == .cancel })?.title
})?.superview?.superview
}
public convenience init(title: String?, message: String?, preferredStyle: UIAlertController.Style, blurStyle: UIBlurEffect.Style) {
self.init(title: title, message: message, preferredStyle: preferredStyle)
self.blurStyle = blurStyle
}
open override func viewWillLayoutSubviews() {
super.viewWillLayoutSubviews()
visualEffectView?.effect = UIBlurEffect(style: blurStyle)
cancelActionView?.backgroundColor = cancelButtonColor
}
}

22
Caps/Extensions/UIColor+Extensions.swift
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@ -1,22 +0,0 @@
//
// UIColor+Extensions.swift
// CapCollector
//
// Created by Christoph on 14.04.20.
// Copyright © 2020 CH. All rights reserved.
//
import UIKit
extension UIColor {
var rgb: (red: Double, green: Double, blue: Double) {
var fRed: CGFloat = 0
var fGreen: CGFloat = 0
var fBlue: CGFloat = 0
var fAlpha: CGFloat = 0
getRed(&fRed, green: &fGreen, blue: &fBlue, alpha: &fAlpha)
return (Double(fRed), Double(fGreen), Double(fBlue))
}
}

50
Caps/Extensions/UIImage+Extensions.swift
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@ -1,11 +1,3 @@
//
// UIImageExtensions.swift
// CapFinder
//
// Created by User on 13.02.18.
// Copyright © 2018 User. All rights reserved.
//
import Foundation
import UIKit
@ -22,7 +14,7 @@ extension UIImage {
func resize(to targetSize: CGSize) -> UIImage {
let rect = CGRect(x: 0, y: 0, width: targetSize.width, height: targetSize.height)
UIGraphicsBeginImageContextWithOptions(targetSize, false, 1.0)
UIGraphicsBeginImageContextWithOptions(targetSize, false, scale)
self.draw(in: rect)
let newImage = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
@ -35,7 +27,7 @@ extension UIImage {
- returns: The cropped image
*/
func crop(factor: CGFloat) -> UIImage {
let width = self.size.width * factor
let width = size.width * scale * factor
return crop(to: width)
}
@ -45,15 +37,11 @@ extension UIImage {
- returns: The cropped image
*/
func crop(to size: CGFloat) -> UIImage {
var rect = CGRect(
x: (self.size.height - size) / 2,
y: (self.size.width - size) / 2,
width: size,
height: size)
rect.origin.x *= scale
rect.origin.y *= scale
rect.size.width *= scale
rect.size.height *= scale
let rect = CGRect(
x: (self.size.height * scale - size) / 2,
y: (self.size.width * scale - size) / 2,
width: size * scale,
height: size * scale)
let imageRef = cgImage!.cropping(to: rect)
return UIImage(cgImage: imageRef!, scale: scale, orientation: imageOrientation)
@ -77,10 +65,10 @@ extension UIImage {
return nil
}
UIBezierPath(ovalIn: breadthRect).addClip()
UIImage(cgImage: cgImage, scale: 1, orientation: imageOrientation).draw(in: breadthRect)
UIImage(cgImage: cgImage, scale: scale, orientation: imageOrientation).draw(in: breadthRect)
return UIGraphicsGetImageFromCurrentImageContext()
}
var averageColor: UIColor? {
let image = ciImage ?? CIImage(cgImage: cgImage!)
return image.averageColor
@ -88,14 +76,14 @@ extension UIImage {
}
extension CIImage {
func averageColor(context: CIContext) -> UIColor? {
let extentVector = CIVector(
x: extent.origin.x,
y: extent.origin.y,
z: extent.size.width,
w: extent.size.height)
guard let filter = CIFilter(name: "CIAreaAverage", parameters: [kCIInputImageKey: self, kCIInputExtentKey: extentVector]) else {
log("Failed to create filter")
return nil
@ -104,27 +92,27 @@ extension CIImage {
log("Failed get filter output")
return nil
}
var bitmap = [UInt8](repeating: 0, count: 4)
context.render(outputImage, toBitmap: &bitmap, rowBytes: 4,
bounds: CGRect(x: 0, y: 0, width: 1, height: 1),
format: .RGBA8, colorSpace: nil)
return UIColor(
red: saturate(bitmap[0]),
green: saturate(bitmap[1]),
blue: saturate(bitmap[2]),
alpha: CGFloat(bitmap[3]) / 255)
}
var averageColor: UIColor? {
let extentVector = CIVector(
x: extent.origin.x,
y: extent.origin.y,
z: extent.size.width,
w: extent.size.height)
guard let filter = CIFilter(name: "CIAreaAverage", parameters: [kCIInputImageKey: self, kCIInputExtentKey: extentVector]) else {
log("Failed to create filter")
return nil
@ -133,7 +121,7 @@ extension CIImage {
log("Failed get filter output")
return nil
}
var bitmap = [UInt8](repeating: 0, count: 4)
guard let null = kCFNull else {
return nil
@ -142,13 +130,13 @@ extension CIImage {
context.render(outputImage, toBitmap: &bitmap, rowBytes: 4,
bounds: CGRect(x: 0, y: 0, width: 1, height: 1),
format: .RGBA8, colorSpace: nil)
let color = UIColor(
red: saturate(bitmap[0]),
green: saturate(bitmap[1]),
blue: saturate(bitmap[2]),
alpha: CGFloat(bitmap[3]) / 255)
return color
}
}

31
Caps/Extensions/UINavigationItem+Extensions.swift
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@ -1,31 +0,0 @@
//
// UINavigationItem+Extensions.swift
// CapCollector
//
// Created by Christoph on 12.05.20.
// Copyright © 2020 CH. All rights reserved.
//
import UIKit
extension UINavigationItem {
func setTitle(_ title: String, subtitle: String) {
let titleLabel = UILabel()
titleLabel.text = title
titleLabel.font = .systemFont(ofSize: 17.0)
titleLabel.textColor = .black
let subtitleLabel = UILabel()
subtitleLabel.text = subtitle
subtitleLabel.font = .systemFont(ofSize: 12.0)
subtitleLabel.textColor = .gray
let stackView = UIStackView(arrangedSubviews: [titleLabel, subtitleLabel])
stackView.distribution = .equalCentering
stackView.alignment = .center
stackView.axis = .vertical
self.titleView = stackView
}
}

23
Caps/Extensions/UIViewExtensions.swift
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@ -1,23 +0,0 @@
//
// UIViewExtensions.swift
// CapFinder
//
// Created by User on 23.03.18.
// Copyright © 2018 User. All rights reserved.
//
import Foundation
import UIKit
extension UIView {
var recursiveSubviews: [UIView] {
var subviews = self.subviews.compactMap{ $0 }
subviews.forEach { subviews.append(contentsOf: $0.recursiveSubviews) }
return subviews
}
func fromNib<T : UIView>() -> T { // 2
return Bundle(for: type(of: self)).loadNibNamed(String(describing: type(of: self)), owner: self, options: nil)!.first! as! T
}
}

25
Caps/Extensions/URL+Extensions.swift Normal file
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@ -0,0 +1,25 @@
import Foundation
extension URL {
var attributes: [FileAttributeKey : Any]? {
do {
return try FileManager.default.attributesOfItem(atPath: path)
} catch let error as NSError {
print("FileAttribute error: \(error)")
}
return nil
}
var fileSize: Int {
return Int(attributes?[.size] as? UInt64 ?? 0)
}
var fileSizeString: String {
return ByteCountFormatter.string(fromByteCount: Int64(fileSize), countStyle: .file)
}
var creationDate: Date? {
return attributes?[.creationDate] as? Date
}
}

28
Caps/Extensions/ViewControllerExtensions.swift
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@ -1,28 +0,0 @@
//
// ViewControllerExtensions.swift
// CapFinder
//
// Created by User on 18.03.18.
// Copyright © 2018 User. All rights reserved.
//
import Foundation
import UIKit
extension UIViewController {
// MARK: Alerts
/// Present an alert with a message to the user
func showAlert(_ message: String, title: String = "Error") {
let alertController = UIAlertController(
title: title,
message: message,
preferredStyle: .alert)//,
//blurStyle: .dark)
alertController.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
self.present(alertController, animated: true, completion: nil)
}
}