├── .swift-version
├── OTResizableView.xcodeproj
├── project.xcworkspace
│ └── contents.xcworkspacedata
├── xcshareddata
│ └── xcschemes
│ │ └── OTResizableView.xcscheme
└── project.pbxproj
├── DemoApplication
├── DemoApplication.xcodeproj
│ ├── project.xcworkspace
│ │ └── contents.xcworkspacedata
│ └── project.pbxproj
└── DemoApplication
│ ├── Base.lproj
│ ├── Main.storyboard
│ └── LaunchScreen.storyboard
│ ├── Assets.xcassets
│ └── AppIcon.appiconset
│ │ └── Contents.json
│ ├── Info.plist
│ ├── ViewController
│ ├── ViewController.swift
│ └── ViewController.xib
│ └── AppDelegate.swift
├── .travis.yml
├── .gitignore
├── OTResizableView
├── OTResizableView.h
└── Info.plist
├── OTResizableView.podspec
├── LICENSE
├── README.md
└── Classes
├── OTGripPointView.swift
└── OTResizableView.swift
/.swift-version:
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1 | 3.0
2 |
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/OTResizableView.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
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8 |
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/DemoApplication/DemoApplication.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
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/.travis.yml:
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1 | language: objective-c
2 |
3 | xcode_project: OTResizableView.xcodeproj
4 |
5 | before_install:
6 | - gem install cocoapods -v '0.34.4'
7 | - pod install
8 |
9 |
10 | script:
11 | - xctool -workspace OTResizableView.xcworkspace -scheme OTResizableView -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO
12 |
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/.gitignore:
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1 | # Xcode (from gitignore.io)
2 | build/
3 | *.pbxuser
4 | !default.pbxuser
5 | *.mode1v3
6 | !default.mode1v3
7 | *.mode2v3
8 | !default.mode2v3
9 | *.perspectivev3
10 | !default.perspectivev3
11 | xcuserdata
12 | *.xccheckout
13 | *.moved-aside
14 | DerivedData
15 | *.hmap
16 | *.ipa
17 | *.xcuserstate
18 |
19 | # CocoaPod
20 | Pods/*
21 | Podfile.lock
22 |
23 | # Carthage
24 | Carthage/Build
25 |
26 | # others
27 | *.swp
28 | !.gitkeep
29 | .DS_Store
30 | UserInterfaceState.xcuserstate
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/OTResizableView/OTResizableView.h:
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1 | //
2 | // OTResizableView.h
3 | // OTResizableView
4 | //
5 | // Created by Tomosuke Okada on 2017/08/27.
6 | // Copyright © 2017年 TomosukeOkada. All rights reserved.
7 | //
8 |
9 | #import
10 |
11 | //! Project version number for OTResizableView.
12 | FOUNDATION_EXPORT double OTResizableViewVersionNumber;
13 |
14 | //! Project version string for OTResizableView.
15 | FOUNDATION_EXPORT const unsigned char OTResizableViewVersionString[];
16 |
17 | // In this header, you should import all the public headers of your framework using statements like #import
18 |
--------------------------------------------------------------------------------
/OTResizableView.podspec:
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1 | Pod::Spec.new do |s|
2 |
3 | s.name = "OTResizableView"
4 | s.version = "1.3"
5 | s.summary = "OTResizableView is a UIView library that can be resized with fingers."
6 | s.homepage = "https://github.com/PKPK-Carnage/OTResizableView"
7 | s.license = { :type => "MIT", :file => "LICENSE" }
8 | s.author = { "Tomosuke Okada" => "pkpkcarnage@gmail.com" }
9 | s.social_media_url = "https://github.com/PKPK-Carnage"
10 | s.platform = :ios, "8.0"
11 | s.source = { :git => "https://github.com/PKPK-Carnage/OTResizableView.git", :tag => "#{s.version}" }
12 | s.source_files = "Classes", "Classes/*.{swift}"
13 | s.requires_arc = true
14 |
15 | end
16 |
--------------------------------------------------------------------------------
/OTResizableView/Info.plist:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 | CFBundleDevelopmentRegion
6 | en
7 | CFBundleExecutable
8 | $(EXECUTABLE_NAME)
9 | CFBundleIdentifier
10 | $(PRODUCT_BUNDLE_IDENTIFIER)
11 | CFBundleInfoDictionaryVersion
12 | 6.0
13 | CFBundleName
14 | $(PRODUCT_NAME)
15 | CFBundlePackageType
16 | FMWK
17 | CFBundleShortVersionString
18 | 1.3
19 | CFBundleVersion
20 | $(CURRENT_PROJECT_VERSION)
21 | NSPrincipalClass
22 |
23 |
24 |
25 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
1 | MIT License
2 |
3 | Copyright (c) 2017 Tomosuke Okada
4 |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy
6 | of this software and associated documentation files (the "Software"), to deal
7 | in the Software without restriction, including without limitation the rights
8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 |
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 |
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 |
--------------------------------------------------------------------------------
/DemoApplication/DemoApplication/Base.lproj/Main.storyboard:
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19 |
20 |
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/DemoApplication/DemoApplication/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 | "images" : [
3 | {
4 | "idiom" : "iphone",
5 | "size" : "29x29",
6 | "scale" : "2x"
7 | },
8 | {
9 | "idiom" : "iphone",
10 | "size" : "29x29",
11 | "scale" : "3x"
12 | },
13 | {
14 | "idiom" : "iphone",
15 | "size" : "40x40",
16 | "scale" : "2x"
17 | },
18 | {
19 | "idiom" : "iphone",
20 | "size" : "40x40",
21 | "scale" : "3x"
22 | },
23 | {
24 | "idiom" : "iphone",
25 | "size" : "60x60",
26 | "scale" : "2x"
27 | },
28 | {
29 | "idiom" : "iphone",
30 | "size" : "60x60",
31 | "scale" : "3x"
32 | },
33 | {
34 | "idiom" : "ipad",
35 | "size" : "29x29",
36 | "scale" : "1x"
37 | },
38 | {
39 | "idiom" : "ipad",
40 | "size" : "29x29",
41 | "scale" : "2x"
42 | },
43 | {
44 | "idiom" : "ipad",
45 | "size" : "40x40",
46 | "scale" : "1x"
47 | },
48 | {
49 | "idiom" : "ipad",
50 | "size" : "40x40",
51 | "scale" : "2x"
52 | },
53 | {
54 | "idiom" : "ipad",
55 | "size" : "76x76",
56 | "scale" : "1x"
57 | },
58 | {
59 | "idiom" : "ipad",
60 | "size" : "76x76",
61 | "scale" : "2x"
62 | }
63 | ],
64 | "info" : {
65 | "version" : 1,
66 | "author" : "xcode"
67 | }
68 | }
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # OTResizableView
2 |
3 | ## Description
4 | OTResizableView is a UIView library that can be resized with fingers.
5 |
6 | ## Features
7 | ・Resize
8 |
9 | ・Keep aspect resize
10 |
11 | ・Move
12 |
13 | ・Change color
14 |
15 | ## Demo
16 | 
17 |
18 | ## Usage
19 |
20 | ```swift
21 |
22 | import OTResizableView
23 |
24 | let resizableView = OTResizableView(contentView: yourView)
25 | resizableView.delegate = self;
26 |
27 | // If you want to change resizableView colors, you can customize here.
28 |
29 | view.addSubview(resizableView)
30 |
31 |
32 | ```
33 |
34 | ## Install
35 |
36 | ### CocoaPods
37 | Add this to your Podfile.
38 |
39 | ```PodFile
40 | pod 'OTResizableView'
41 | ```
42 |
43 | ### Carthage
44 | Add this to your Cartfile.
45 |
46 | ```Cartfile
47 | github "PKPK-Carnage/OTResizableView"
48 | ```
49 |
50 | ## Help
51 |
52 | If you want to support this framework, you can do these things.
53 |
54 | * Please let us know if you have any requests for me.
55 |
56 | I will do my best to live up to your expectations.
57 |
58 | * You can make contribute code, issues and pull requests.
59 |
60 | I promise to confirm them.
61 |
62 | ## Licence
63 |
64 | [MIT](https://github.com/PKPK-Carnage/OTResizableView/blob/master/LICENSE)
65 |
66 | ## Author
67 |
68 | [PKPK-Carnage🦎](https://github.com/PKPK-Carnage)
69 |
--------------------------------------------------------------------------------
/DemoApplication/DemoApplication/Info.plist:
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1 |
2 |
3 |
4 |
5 | CFBundleDevelopmentRegion
6 | en
7 | CFBundleExecutable
8 | $(EXECUTABLE_NAME)
9 | CFBundleIdentifier
10 | $(PRODUCT_BUNDLE_IDENTIFIER)
11 | CFBundleInfoDictionaryVersion
12 | 6.0
13 | CFBundleName
14 | $(PRODUCT_NAME)
15 | CFBundlePackageType
16 | APPL
17 | CFBundleShortVersionString
18 | 1.3
19 | CFBundleVersion
20 | 1.3
21 | LSRequiresIPhoneOS
22 |
23 | UILaunchStoryboardName
24 | LaunchScreen
25 | UIMainStoryboardFile
26 | Main
27 | UIRequiredDeviceCapabilities
28 |
29 | armv7
30 |
31 | UISupportedInterfaceOrientations
32 |
33 | UIInterfaceOrientationPortrait
34 | UIInterfaceOrientationLandscapeLeft
35 | UIInterfaceOrientationLandscapeRight
36 |
37 | UISupportedInterfaceOrientations~ipad
38 |
39 | UIInterfaceOrientationPortrait
40 | UIInterfaceOrientationPortraitUpsideDown
41 | UIInterfaceOrientationLandscapeLeft
42 | UIInterfaceOrientationLandscapeRight
43 |
44 |
45 |
46 |
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/DemoApplication/DemoApplication/Base.lproj/LaunchScreen.storyboard:
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/DemoApplication/DemoApplication/ViewController/ViewController.swift:
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1 | //
2 | // ViewController.swift
3 | // DemoApplication
4 | //
5 | // Created by Tomosuke Okada on 2017/08/27.
6 | // Copyright © 2017年 TomosukeOkada. All rights reserved.
7 | //
8 |
9 | import UIKit
10 |
11 | import OTResizableView
12 |
13 | class ViewController: UIViewController,OTResizableViewDelegate {
14 |
15 | var resizableView = OTResizableView(contentView: UIView())
16 |
17 | @IBOutlet weak var mainView: UIView!
18 |
19 | override func viewDidLoad() {
20 | super.viewDidLoad()
21 |
22 | let yourView = UIView(frame: CGRect(x: 70, y: 70, width: 200, height: 300))
23 | yourView.backgroundColor = UIColor.blue
24 |
25 | resizableView = OTResizableView(contentView: yourView)
26 | resizableView.delegate = self;
27 |
28 | mainView.addSubview(resizableView)
29 | }
30 |
31 |
32 | override func didReceiveMemoryWarning() {
33 | super.didReceiveMemoryWarning()
34 |
35 | }
36 |
37 | @IBAction func tappedChangeAspectButton(_ sender: UIButton) {
38 | sender.isSelected = !sender.isSelected
39 | if sender.isSelected {
40 | resizableView.keepAspectEnabled = true
41 | } else {
42 | resizableView.keepAspectEnabled = false
43 | resizableView.minimumWidth = 100
44 | resizableView.minimumHeight = 100
45 | }
46 | }
47 |
48 | func tapBegin(_ resizableView: OTResizableView) {
49 | resizableView.resizeEnabled = resizableView.resizeEnabled ? false : true
50 |
51 | print("tapBegin:\(resizableView.frame)")
52 | }
53 |
54 |
55 | func tapChanged(_ resizableView: OTResizableView) {
56 | print("tapChanged:\(resizableView.frame))")
57 | }
58 |
59 |
60 | func tapMoved(_ resizableView: OTResizableView) {
61 | print("tapMoved:\(resizableView.frame))")
62 | }
63 |
64 |
65 | func tapEnd(_ resizableView: OTResizableView) {
66 | print("tapEnd:\(resizableView.frame)")
67 | }
68 | }
69 |
--------------------------------------------------------------------------------
/DemoApplication/DemoApplication/AppDelegate.swift:
--------------------------------------------------------------------------------
1 | //
2 | // AppDelegate.swift
3 | // DemoApplication
4 | //
5 | // Created by Tomosuke Okada on 2017/08/27.
6 | // Copyright © 2017年 TomosukeOkada. All rights reserved.
7 | //
8 |
9 | import UIKit
10 |
11 | @UIApplicationMain
12 | class AppDelegate: UIResponder, UIApplicationDelegate {
13 |
14 | var window: UIWindow?
15 |
16 |
17 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
18 | // Override point for customization after application launch.
19 | return true
20 | }
21 |
22 | func applicationWillResignActive(_ application: UIApplication) {
23 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
24 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
25 | }
26 |
27 | func applicationDidEnterBackground(_ application: UIApplication) {
28 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
30 | }
31 |
32 | func applicationWillEnterForeground(_ application: UIApplication) {
33 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
34 | }
35 |
36 | func applicationDidBecomeActive(_ application: UIApplication) {
37 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
38 | }
39 |
40 | func applicationWillTerminate(_ application: UIApplication) {
41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
42 | }
43 |
44 |
45 | }
46 |
47 |
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/OTResizableView.xcodeproj/xcshareddata/xcschemes/OTResizableView.xcscheme:
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/Classes/OTGripPointView.swift:
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1 | //
2 | // OTGripPointView.swift
3 | // OTResizableView
4 | //
5 | // Created by Tomosuke Okada on 2017/08/27.
6 | // Copyright © 2017年 TomosukeOkada. All rights reserved.
7 | //
8 | // https://github.com/PKPK-Carnage/OTResizableView
9 |
10 | /**
11 | [OTResizableView]
12 |
13 | Copyright (c) [2017] [Tomosuke Okada]
14 |
15 | This software is released under the MIT License.
16 | http://opensource.org/licenses/mit-license.ph
17 |
18 | */
19 |
20 | import UIKit
21 |
22 | class OTGripPointView: UIView {
23 |
24 | var viewStrokeColor: UIColor?
25 | let viewStrokeLineWidth:CGFloat = 2
26 |
27 | var gripPointStrokeColor: UIColor?
28 | var gripPointFillColor: UIColor?
29 |
30 | let gripPointDiameter:CGFloat = 10
31 | let gripPointStrokeWidth:CGFloat = 2
32 |
33 | init() {
34 | super.init(frame: CGRect.zero)
35 | initialize()
36 | }
37 |
38 |
39 | override init(frame: CGRect) {
40 | super.init(frame: frame)
41 | initialize()
42 | }
43 |
44 | @available(*, unavailable)
45 | required init?(coder aDecoder: NSCoder) {
46 | fatalError("init(coder:) has not been implemented")
47 | }
48 |
49 | private func initialize() {
50 | backgroundColor = UIColor.clear
51 | }
52 |
53 |
54 | override func draw(_ rect: CGRect) {
55 | let strokeRect = rect.insetBy(dx: gripPointDiameter, dy: gripPointDiameter)
56 | draw(stroke: strokeRect, lineWidth: viewStrokeLineWidth, color: viewStrokeColor!)
57 |
58 | let leftX:CGFloat = gripPointDiameter/2
59 | let rightX:CGFloat = rect.size.width - gripPointDiameter - gripPointDiameter/2
60 | let upperY:CGFloat = gripPointDiameter/2
61 | let lowerY:CGFloat = rect.size.height - gripPointDiameter - gripPointDiameter/2
62 |
63 | let gripPointSize = CGSize(width: gripPointDiameter, height: gripPointDiameter)
64 |
65 | let upperLeft = CGRect(origin: CGPoint(x: leftX, y: upperY), size: gripPointSize)
66 | draw(circle: upperLeft, strokeWidth: gripPointStrokeWidth, strokeColor: gripPointStrokeColor!, fillColor: gripPointFillColor!)
67 |
68 | let upperRight = CGRect(origin: CGPoint(x: rightX, y: upperY), size: gripPointSize)
69 | draw(circle: upperRight, strokeWidth: gripPointStrokeWidth, strokeColor: gripPointStrokeColor!, fillColor: gripPointFillColor!)
70 |
71 | let lowerLeft = CGRect(origin: CGPoint(x: leftX, y: lowerY), size:gripPointSize)
72 | draw(circle: lowerLeft, strokeWidth: gripPointStrokeWidth, strokeColor: gripPointStrokeColor!, fillColor: gripPointFillColor!)
73 |
74 | let lowerRight = CGRect(origin: CGPoint(x: rightX, y: lowerY), size:gripPointSize)
75 | draw(circle: lowerRight, strokeWidth: gripPointStrokeWidth, strokeColor: gripPointStrokeColor!, fillColor: gripPointFillColor!)
76 | }
77 |
78 |
79 | private func draw(stroke rect:CGRect,lineWidth:CGFloat,color:UIColor) {
80 | let strokePath = UIBezierPath(rect: rect)
81 | strokePath.lineWidth = lineWidth;
82 |
83 | color.setStroke()
84 |
85 | strokePath.stroke()
86 | }
87 |
88 |
89 | private func draw(circle rect: CGRect, strokeWidth: CGFloat, strokeColor: UIColor, fillColor: UIColor) {
90 | let circlePath = UIBezierPath(ovalIn: rect)
91 | circlePath.lineWidth = strokeWidth
92 |
93 | strokeColor.setStroke()
94 | fillColor.setFill()
95 |
96 | circlePath.fill()
97 | circlePath.stroke()
98 | }
99 |
100 |
101 | }
102 |
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/DemoApplication/DemoApplication/ViewController/ViewController.xib:
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419 |
--------------------------------------------------------------------------------
/Classes/OTResizableView.swift:
--------------------------------------------------------------------------------
1 | //
2 | // OTResizableView.swift
3 | // OTResizableView
4 | //
5 | // Created by Tomosuke Okada on 2017/08/27.
6 | // Copyright © 2017年 TomosukeOkada. All rights reserved.
7 | //
8 | // https://github.com/PKPK-Carnage/OTResizableView
9 |
10 | /**
11 | [OTResizableView]
12 |
13 | Copyright (c) [2017] [Tomosuke Okada]
14 |
15 | This software is released under the MIT License.
16 | http://opensource.org/licenses/mit-license.ph
17 |
18 | */
19 |
20 | import UIKit
21 |
22 | @objc public enum TappedPosition: Int {
23 | case UpperLeft
24 | case UpperRight
25 | case LowerLeft
26 | case LowerRight
27 | case Center
28 | case None
29 | }
30 |
31 |
32 | @objc public protocol OTResizableViewDelegate: class {
33 |
34 | @objc optional func tapBegin(_ resizableView:OTResizableView)
35 |
36 | @objc optional func tapChanged(_ resizableView:OTResizableView)
37 |
38 | @objc optional func tapMoved(_ resizableView:OTResizableView)
39 |
40 | @objc optional func tapEnd(_ resizableView:OTResizableView)
41 |
42 | }
43 |
44 |
45 | @objc open class OTResizableView: UIView, UIGestureRecognizerDelegate {
46 |
47 | @objc public weak var delegate: OTResizableViewDelegate?
48 |
49 | @objc public var minimumWidth: CGFloat = 100 {
50 | didSet {
51 | if keepAspectEnabled {
52 | minimumWidth = oldValue
53 | }
54 | }
55 | }
56 |
57 | @objc public var minimumHeight: CGFloat = 100 {
58 | didSet {
59 | if keepAspectEnabled {
60 | minimumHeight = oldValue
61 | }
62 | }
63 | }
64 |
65 | @objc public var keepAspectEnabled = false {
66 | willSet {
67 | if newValue {
68 | minimumWidth = frame.width * minimumAspectScale
69 | minimumHeight = frame.height * minimumAspectScale
70 | }
71 | }
72 | }
73 |
74 | @objc open var minimumAspectScale: CGFloat = 1
75 |
76 | @objc open var resizeEnabled = false {
77 | didSet {
78 | gripPointView.isHidden = resizeEnabled ? false:true
79 | }
80 | }
81 |
82 | @objc open var viewStrokeColor = UIColor.red {
83 | didSet {
84 | gripPointView.viewStrokeColor = viewStrokeColor
85 | }
86 | }
87 |
88 | @objc open var gripPointStrokeColor = UIColor.white {
89 | didSet{
90 | gripPointView.gripPointStrokeColor = gripPointStrokeColor
91 | }
92 | }
93 |
94 | @objc open var gripPointFillColor = UIColor.blue {
95 | didSet {
96 | gripPointView.gripPointFillColor = gripPointFillColor
97 | }
98 | }
99 |
100 | @objc open var gripTappableSize: CGFloat = 40
101 |
102 | @objc public let gripPointDiameter: CGFloat = 10
103 |
104 | @objc public private(set) var contentView = UIView()
105 |
106 | @objc public private(set) var currentTappedPostion:TappedPosition = .None
107 |
108 | private var startFrame = CGRect.zero
109 | private var minimumPoint = CGPoint.zero
110 |
111 | private var touchStartPointInSuperview = CGPoint.zero
112 | private var touchStartPointInSelf = CGPoint.zero
113 |
114 | private var maxAspectFrame = CGRect.zero
115 |
116 | private var gripPointView = OTGripPointView()
117 |
118 | //MARK: - Initialize
119 | public init(contentView: UIView) {
120 | super.init(frame: contentView.frame.insetBy(dx: -gripPointDiameter, dy: -gripPointDiameter))
121 |
122 | initialize()
123 |
124 | setContentView(newContentView: contentView)
125 | }
126 |
127 |
128 | @available(*, unavailable)
129 | required public init?(coder aDecoder: NSCoder) {
130 | fatalError("init(coder:) has not been implemented")
131 | }
132 |
133 |
134 | private func initialize() {
135 | backgroundColor = UIColor.clear
136 | prepareGesture()
137 | }
138 |
139 |
140 | //MARK: - LifeCycle
141 | override open func willMove(toSuperview newSuperview: UIView?) {
142 | super.willMove(toSuperview: newSuperview)
143 |
144 | prepareGripPointView()
145 | }
146 |
147 |
148 | //MARK: - Prepare
149 | private func prepareGesture() {
150 | let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTap(gesture:)))
151 | addGestureRecognizer(tapGestureRecognizer)
152 |
153 |
154 | let panGesutureRecognizer = UIPanGestureRecognizer(target: self, action: #selector(handlePan(gesture:)))
155 | addGestureRecognizer(panGesutureRecognizer)
156 | }
157 |
158 |
159 | private func prepareGripPointView() {
160 | gripPointView.removeFromSuperview()
161 |
162 | gripPointView = OTGripPointView(frame: bounds)
163 | gripPointView.isHidden = true
164 |
165 | gripPointView.viewStrokeColor = viewStrokeColor
166 | gripPointView.gripPointStrokeColor = gripPointStrokeColor
167 | gripPointView.gripPointFillColor = gripPointFillColor
168 |
169 | addSubview(gripPointView)
170 | }
171 |
172 |
173 | //MARK: - Set
174 | private func setContentView(newContentView: UIView) {
175 | contentView.removeFromSuperview()
176 | contentView = newContentView;
177 | contentView.frame.origin = CGPoint(x: gripPointDiameter, y: gripPointDiameter)
178 | addSubview(contentView)
179 |
180 | gripPointView.removeFromSuperview()
181 | addSubview(gripPointView)
182 | }
183 |
184 |
185 | @objc public func setResizedFrame(newFrame: CGRect) {
186 | super.frame = newFrame
187 | contentView.frame = bounds.insetBy(dx: gripPointDiameter, dy: gripPointDiameter)
188 | contentView.setNeedsDisplay()
189 | gripPointView.frame = bounds
190 | gripPointView.setNeedsDisplay()
191 | }
192 |
193 |
194 | //MARK: - Gesture
195 | @objc open func handleTap(gesture: UITapGestureRecognizer) {
196 | delegate?.tapBegin?(self)
197 | }
198 |
199 |
200 | @objc open func handlePan(gesture: UIPanGestureRecognizer) {
201 | switch gesture.state {
202 | case .began:
203 | if resizeEnabled {
204 |
205 | startFrame = frame;
206 |
207 | touchStartPointInSuperview = gesture.location(in: superview)
208 | touchStartPointInSelf = gesture.location(in: self)
209 |
210 | currentTappedPostion = detectCurrentTappedPosition()
211 |
212 |
213 | switch currentTappedPostion {
214 | case .UpperLeft, .UpperRight, .LowerLeft, .LowerRight:
215 | minimumPoint = measureMinimumPoint()
216 |
217 | if keepAspectEnabled {
218 | maxAspectFrame = measureMaximumKeepAspectFrame()
219 | }
220 |
221 | case .Center:
222 | break
223 |
224 | case .None:
225 | break
226 | }
227 | }
228 | case .changed:
229 | if resizeEnabled {
230 | switch currentTappedPostion {
231 | case .UpperLeft, .UpperRight, .LowerLeft, .LowerRight:
232 |
233 | let currentTouchPointInSuperview = gesture.location(in: superview)
234 |
235 | var resizedRect = CGRect.zero
236 |
237 | if keepAspectEnabled {
238 | resizedRect = generateKeepAspectFrame(position: currentTappedPostion, currentTouchPoint: currentTouchPointInSuperview)
239 | resizedRect = adjustKeepAspect(rect: resizedRect)
240 | } else {
241 | let differenceX = currentTouchPointInSuperview.x - touchStartPointInSuperview.x
242 | let differenceY = currentTouchPointInSuperview.y - touchStartPointInSuperview.y
243 |
244 | resizedRect = generateNormalFrame(position: currentTappedPostion, differenceX: differenceX, differenceY: differenceY)
245 | resizedRect = adjustNormal(rect: resizedRect)
246 | }
247 |
248 | setResizedFrame(newFrame: resizedRect)
249 |
250 | delegate?.tapChanged?(self)
251 |
252 | case .Center:
253 |
254 | let currentTouchPointInSelf = gesture.location(in: self)
255 |
256 | moveView(touchPoint: currentTouchPointInSelf, startPoint: touchStartPointInSelf)
257 |
258 | delegate?.tapMoved?(self)
259 |
260 | case .None:
261 | return
262 | }
263 | }
264 | case .ended:
265 |
266 | currentTappedPostion = .None
267 |
268 | maxAspectFrame = CGRect.zero
269 |
270 | delegate?.tapEnd?(self)
271 |
272 | case .cancelled:
273 |
274 | currentTappedPostion = .None
275 |
276 | maxAspectFrame = CGRect.zero
277 |
278 | delegate?.tapEnd?(self)
279 |
280 | default:
281 |
282 | currentTappedPostion = .None
283 |
284 | maxAspectFrame = CGRect.zero
285 |
286 | return
287 | }
288 | }
289 |
290 |
291 | //MARK: - Normal resize
292 | private func generateNormalFrame(position:TappedPosition, differenceX: CGFloat, differenceY: CGFloat) -> CGRect {
293 |
294 | let startX = startFrame.origin.x
295 | let startY = startFrame.origin.y
296 | let startWidth = startFrame.width
297 | let startHeight = startFrame.height
298 |
299 | switch position {
300 | case .UpperLeft:
301 | return CGRect(x: startX + differenceX, y: startY + differenceY, width: startWidth - differenceX, height: startHeight - differenceY)
302 | case .UpperRight:
303 | return CGRect(x: startX, y: startY + differenceY, width: startWidth + differenceX, height: startHeight - differenceY)
304 | case .LowerLeft:
305 | return CGRect(x: startX + differenceX, y: startY, width: startWidth - differenceX, height: startHeight + differenceY)
306 | case .LowerRight:
307 | return CGRect(x: startX, y: startY, width: startWidth + differenceX, height: startHeight + differenceY)
308 | default:
309 | return CGRect.zero
310 | }
311 | }
312 |
313 | private func adjustNormal(rect: CGRect) -> CGRect {
314 | guard let superview = superview else {
315 | return CGRect.zero
316 | }
317 |
318 | var x = rect.origin.x
319 | var y = rect.origin.y
320 | var width = rect.size.width
321 | var height = rect.size.height
322 |
323 | if x < superview.bounds.origin.x {
324 | let deltaW = frame.origin.x - superview.bounds.origin.x
325 | width = frame.size.width + deltaW
326 | x = superview.bounds.origin.x
327 | }
328 |
329 | if rect.origin.x + width > superview.bounds.origin.x + superview.bounds.size.width {
330 | width = superview.bounds.size.width - x
331 | }
332 |
333 | if y < superview.bounds.origin.y {
334 | let deltaH = frame.origin.y - superview.bounds.origin.y
335 | height = frame.size.height + deltaH
336 | y = superview.bounds.origin.y
337 | }
338 |
339 | if y + height > superview.bounds.origin.y + superview.bounds.size.height {
340 | height = superview.bounds.size.height - y
341 | }
342 |
343 | if width <= minimumWidth {
344 | width = minimumWidth
345 | x = minimumPoint.x
346 | }
347 |
348 | if height <= minimumHeight {
349 | height = minimumHeight
350 | y = minimumPoint.y
351 | }
352 |
353 | return CGRect(x: x, y: y, width: width, height: height)
354 | }
355 |
356 |
357 | //MARK: - Keep Aspect resize
358 | private func generateKeepAspectFrame(position:TappedPosition, currentTouchPoint: CGPoint) -> CGRect {
359 |
360 | let scaleTuple = generateScale(position: position, currentTouchPoint: currentTouchPoint)
361 | let widthScale = scaleTuple.widthScale
362 | let heightScale = scaleTuple.heightScale
363 |
364 | var width: CGFloat = 0
365 | var height: CGFloat = 0
366 |
367 | if widthScale > heightScale {
368 | width = startFrame.width * widthScale
369 | height = startFrame.height * widthScale
370 | } else {
371 | width = startFrame.width * heightScale
372 | height = startFrame.height * heightScale
373 | }
374 |
375 | let differenceX = startFrame.width - width
376 | let differenceY = startFrame.height - height
377 |
378 | switch position {
379 | case .UpperLeft:
380 | return CGRect(x: startFrame.origin.x + differenceX, y: startFrame.origin.y + differenceY, width: width, height: height)
381 | case .UpperRight:
382 | return CGRect(x: startFrame.origin.x, y: startFrame.origin.y + differenceY , width: width, height: height)
383 | case .LowerLeft:
384 | return CGRect(x: startFrame.origin.x + differenceX, y: startFrame.origin.y, width: width, height: height)
385 | case .LowerRight:
386 | return CGRect(x: startFrame.origin.x, y: startFrame.origin.y, width: width, height: height)
387 | default:
388 | return CGRect.zero
389 | }
390 |
391 | }
392 |
393 |
394 | private func generateScale(position:TappedPosition, currentTouchPoint: CGPoint) -> (widthScale: CGFloat, heightScale: CGFloat) {
395 | switch position {
396 | case .UpperLeft:
397 | return (widthScale: (startFrame.origin.x - currentTouchPoint.x + startFrame.width) / startFrame.width,
398 | heightScale: (startFrame.origin.y - currentTouchPoint.y + startFrame.height) / startFrame.height)
399 | case .UpperRight:
400 | return (widthScale: (currentTouchPoint.x - startFrame.origin.x) / startFrame.width,
401 | heightScale: (startFrame.origin.y - currentTouchPoint.y + startFrame.height) / startFrame.height)
402 | case .LowerLeft:
403 | return (widthScale: (startFrame.origin.x - currentTouchPoint.x + startFrame.width) / startFrame.width,
404 | heightScale: (currentTouchPoint.y - startFrame.origin.y) / startFrame.height)
405 | case .LowerRight:
406 | return (widthScale: (currentTouchPoint.x - startFrame.origin.x) / startFrame.width,
407 | heightScale: (currentTouchPoint.y - startFrame.origin.y) / startFrame.width)
408 | default:
409 | return (widthScale: 0, heightScale: 0)
410 | }
411 | }
412 |
413 |
414 | private func adjustKeepAspect(rect: CGRect) -> CGRect{
415 |
416 | guard let superview = superview else {
417 | return CGRect.zero
418 | }
419 |
420 | var x = rect.origin.x
421 | var y = rect.origin.y
422 | var width = rect.size.width
423 | var height = rect.size.height
424 |
425 | if x < superview.bounds.origin.x {
426 | if currentTappedPostion == .UpperLeft || currentTappedPostion == .LowerLeft {
427 | return maxAspectFrame
428 | }
429 | }
430 |
431 | if x + width > superview.bounds.origin.x + superview.bounds.size.width {
432 | if currentTappedPostion == .UpperRight || currentTappedPostion == .LowerRight {
433 | return maxAspectFrame
434 | }
435 | }
436 |
437 | if y < superview.bounds.origin.y {
438 | if currentTappedPostion == .UpperLeft || currentTappedPostion == .UpperRight {
439 | return maxAspectFrame
440 | }
441 | }
442 |
443 | if y + height > superview.bounds.origin.y + superview.bounds.size.height {
444 | if currentTappedPostion == .LowerLeft || currentTappedPostion == .LowerRight {
445 | return maxAspectFrame
446 | }
447 | }
448 |
449 | if width <= minimumWidth {
450 | width = minimumWidth
451 | x = minimumPoint.x
452 | }
453 |
454 | if height <= minimumHeight {
455 | height = minimumHeight
456 | y = minimumPoint.y
457 | }
458 |
459 | return CGRect(x: x, y: y, width: width, height: height)
460 | }
461 |
462 |
463 | //MARK: - Prepare TapChanged
464 | private func detectCurrentTappedPosition() -> TappedPosition {
465 | if touchStartPointInSelf.x < gripTappableSize && touchStartPointInSelf.y < gripTappableSize {
466 |
467 | return .UpperLeft
468 |
469 | } else if bounds.size.width - touchStartPointInSelf.x < gripTappableSize && touchStartPointInSelf.y < gripTappableSize {
470 |
471 | return .UpperRight
472 |
473 | } else if touchStartPointInSelf.x < gripTappableSize && bounds.size.height - touchStartPointInSelf.y < gripTappableSize {
474 |
475 | return .LowerLeft
476 |
477 | } else if bounds.size.width - touchStartPointInSelf.x < gripTappableSize && bounds.size.height - touchStartPointInSelf.y < gripTappableSize {
478 |
479 | return .LowerRight
480 |
481 | } else {
482 |
483 | return .Center
484 |
485 | }
486 | }
487 |
488 |
489 | private func measureMinimumPoint() -> CGPoint {
490 | let originX = startFrame.origin.x
491 | let originY = startFrame.origin.y
492 |
493 | let upperRightX = originX + startFrame.size.width
494 | let lowerLeftY = originY + startFrame.size.height
495 |
496 | switch currentTappedPostion {
497 |
498 | case .UpperLeft:
499 |
500 | return CGPoint(x: upperRightX - minimumWidth, y: lowerLeftY - minimumHeight)
501 |
502 | case .UpperRight:
503 |
504 | return CGPoint(x: originX, y: lowerLeftY - minimumHeight)
505 |
506 | case .LowerLeft:
507 |
508 | return CGPoint(x: upperRightX - minimumWidth, y: originY)
509 |
510 | case .LowerRight:
511 |
512 | return CGPoint(x: originX, y: originY)
513 |
514 | default:
515 |
516 | return CGPoint.zero
517 | }
518 | }
519 |
520 |
521 | private func measureMaximumKeepAspectFrame() -> CGRect {
522 | guard let superview = superview else {
523 | return CGRect.zero
524 | }
525 |
526 | var xMaxFrame = CGRect.zero
527 | var yMaxFrame = CGRect.zero
528 |
529 | switch currentTappedPostion {
530 | case .UpperLeft:
531 |
532 | xMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
533 | currentTouchPoint: CGPoint(x: superview.bounds.origin.x, y: frame.origin.y))
534 |
535 | yMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
536 | currentTouchPoint: CGPoint(x: frame.origin.x, y: superview.bounds.origin.y))
537 |
538 | case .UpperRight:
539 |
540 | xMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
541 | currentTouchPoint: CGPoint(x: superview.bounds.width, y: frame.origin.y))
542 |
543 | yMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
544 | currentTouchPoint: CGPoint(x: frame.origin.x + frame.width, y: superview.bounds.origin.y))
545 |
546 | case .LowerLeft:
547 |
548 | xMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
549 | currentTouchPoint: CGPoint(x: superview.bounds.origin.x, y: frame.origin.y + frame.height))
550 |
551 | yMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
552 | currentTouchPoint: CGPoint(x: frame.origin.x, y: superview.bounds.height))
553 |
554 | case .LowerRight:
555 |
556 | xMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
557 | currentTouchPoint: CGPoint(x: superview.bounds.width, y: frame.origin.y + frame.height))
558 |
559 | yMaxFrame = generateKeepAspectFrame(position: currentTappedPostion,
560 | currentTouchPoint: CGPoint(x: frame.origin.x + frame.width, y: superview.bounds.height))
561 |
562 | default:
563 |
564 | break
565 | }
566 |
567 | return xMaxFrame.width/frame.width < yMaxFrame.width/frame.width ? xMaxFrame : yMaxFrame
568 |
569 | }
570 |
571 |
572 | private func moveView(touchPoint: CGPoint, startPoint: CGPoint) {
573 | var newCenter = CGPoint(x: center.x + touchPoint.x - startPoint.x, y: center.y + touchPoint.y - startPoint.y)
574 |
575 | let midPointX = bounds.midX
576 |
577 | if newCenter.x > superview!.bounds.size.width - midPointX {
578 | newCenter.x = superview!.bounds.size.width - midPointX;
579 | }
580 |
581 | if newCenter.x < midPointX {
582 | newCenter.x = midPointX;
583 | }
584 |
585 | let midPointY = bounds.midY
586 |
587 | if newCenter.y > superview!.bounds.size.height - midPointY {
588 | newCenter.y = superview!.bounds.size.height - midPointY;
589 | }
590 |
591 | if newCenter.y < midPointY {
592 | newCenter.y = midPointY;
593 | }
594 |
595 | center = newCenter;
596 | }
597 | }
598 |
599 |
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