├── .gitignore ├── LICENSE ├── MLSilderRulerView ├── MLSilderRulerView.xcodeproj │ ├── project.pbxproj │ └── project.xcworkspace │ │ └── contents.xcworkspacedata ├── MLSilderRulerView │ ├── AppDelegate.swift │ ├── Assets.xcassets │ │ └── AppIcon.appiconset │ │ │ └── Contents.json │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ ├── Info.plist │ ├── MLSliderRulerScrollView.swift │ ├── MLSliderRulerView.swift │ └── ViewController.swift ├── MLSilderRulerViewTests │ ├── Info.plist │ └── MLSilderRulerViewTests.swift └── MLSilderRulerViewUITests │ ├── Info.plist │ └── MLSilderRulerViewUITests.swift └── README.md /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Build generated 6 | build/ 7 | DerivedData/ 8 | 9 | ## Various settings 10 | *.pbxuser 11 | !default.pbxuser 12 | *.mode1v3 13 | !default.mode1v3 14 | *.mode2v3 15 | !default.mode2v3 16 | *.perspectivev3 17 | !default.perspectivev3 18 | xcuserdata/ 19 | 20 | ## Other 21 | *.moved-aside 22 | *.xccheckout 23 | *.xcscmblueprint 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | *.ipa 28 | *.dSYM.zip 29 | *.dSYM 30 | 31 | ## Playgrounds 32 | timeline.xctimeline 33 | playground.xcworkspace 34 | 35 | # Swift Package Manager 36 | # 37 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 38 | # Packages/ 39 | # Package.pins 40 | .build/ 41 | 42 | # CocoaPods 43 | # 44 | # We recommend against adding the Pods directory to your .gitignore. However 45 | # you should judge for yourself, the pros and cons are mentioned at: 46 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 47 | # 48 | # Pods/ 49 | 50 | # Carthage 51 | # 52 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 53 | # Carthage/Checkouts 54 | 55 | Carthage/Build 56 | 57 | # fastlane 58 | # 59 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 60 | # screenshots whenever they are needed. 61 | # For more information about the recommended setup visit: 62 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 63 | 64 | fastlane/report.xml 65 | fastlane/Preview.html 66 | fastlane/screenshots 67 | fastlane/test_output 68 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | This is free and unencumbered software released into the public domain. 2 | 3 | Anyone is free to copy, modify, publish, use, compile, sell, or 4 | distribute this software, either in source code form or as a compiled 5 | binary, for any purpose, commercial or non-commercial, and by any 6 | means. 7 | 8 | In jurisdictions that recognize copyright laws, the author or authors 9 | of this software dedicate any and all copyright interest in the 10 | software to the public domain. We make this dedication for the benefit 11 | of the public at large and to the detriment of our heirs and 12 | successors. We intend this dedication to be an overt act of 13 | relinquishment in perpetuity of all present and future rights to this 14 | software under copyright law. 15 | 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 19 | IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 | OTHER DEALINGS IN THE SOFTWARE. 23 | 24 | For more information, please refer to 25 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 48; 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567 | defaultConfigurationIsVisible = 0; 568 | defaultConfigurationName = Release; 569 | }; 570 | /* End XCConfigurationList section */ 571 | }; 572 | rootObject = 6C496F672019920500E85FE5 /* Project object */; 573 | } 574 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // MLSilderRulerView 4 | // 5 | // Created by Macro on 2018/1/25. 6 | // Copyright © 2018年 CodeMarco. 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 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | } 88 | ], 89 | "info" : { 90 | "version" : 1, 91 | "author" : "xcode" 92 | } 93 | } -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 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 | 1.0 19 | CFBundleVersion 20 | 1 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 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/MLSliderRulerScrollView.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MLSliderRuler.swift 3 | // MLSilderRulerView 4 | // 5 | // Created by Macro on 2018/1/25. 6 | // Copyright © 2018年 CodeMarco. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | let DISTANCELEFTANDRIGHT: CGFloat = 8.0 // 标尺左右距离 12 | let DISTANCEVALUE: CGFloat = 8.0 // 每隔刻度实际长度8个点 13 | let DISTANCETOPANDBOTTOM: CGFloat = 5.0 // 标尺上下距离 14 | 15 | class MLSliderRulerScrollView: UIScrollView { 16 | 17 | var rulerValue: CGFloat = 160 18 | 19 | var maxValue: CGFloat = 220 20 | var minValue: CGFloat = 100 21 | 22 | var rulerCount: Int { 23 | return Int(maxValue - minValue) 24 | } 25 | 26 | var rulerAverage: CGFloat = 1 27 | 28 | /// 是否显示最小刻度 29 | var isShowShortSymbol = true 30 | /// 居中显示模式 31 | var isSmallModel: Bool = true 32 | 33 | var binary: Int = 10 34 | 35 | var ruleFont = UIFont.systemFont(ofSize: 12) 36 | 37 | /// 长刻度颜色 38 | var longSymbolColor = UIColor.black { 39 | didSet { 40 | longSymbol.strokeColor = longSymbolColor.cgColor 41 | } 42 | } 43 | /// 中等刻度颜色 44 | var middleSymbolColor = UIColor.gray { 45 | didSet { 46 | middleSymbol.strokeColor = middleSymbolColor.cgColor 47 | } 48 | } 49 | /// 短刻度颜色 50 | var shortSymbolColor = UIColor.lightGray { 51 | didSet { 52 | shortSymbol.strokeColor = shortSymbolColor.cgColor 53 | } 54 | } 55 | 56 | /// 长刻度 57 | fileprivate lazy var longSymbol: CAShapeLayer = { 58 | let shapeLayer = CAShapeLayer() 59 | shapeLayer.strokeColor = longSymbolColor.cgColor 60 | shapeLayer.fillColor = UIColor.clear.cgColor 61 | shapeLayer.lineWidth = 0.8 62 | shapeLayer.lineCap = kCALineCapButt 63 | return shapeLayer 64 | }() 65 | 66 | /// 中等刻度 67 | fileprivate lazy var middleSymbol: CAShapeLayer = { 68 | let shapeLayer = CAShapeLayer() 69 | shapeLayer.strokeColor = middleSymbolColor.cgColor 70 | shapeLayer.fillColor = UIColor.clear.cgColor 71 | shapeLayer.lineWidth = 0.6 72 | shapeLayer.lineCap = kCALineCapButt 73 | return shapeLayer 74 | }() 75 | 76 | /// 短刻度 77 | fileprivate lazy var shortSymbol: CAShapeLayer = { 78 | let shapeLayer = CAShapeLayer() 79 | shapeLayer.strokeColor = shortSymbolColor.cgColor 80 | shapeLayer.fillColor = UIColor.clear.cgColor 81 | shapeLayer.lineWidth = 0.5 82 | shapeLayer.lineCap = kCALineCapButt 83 | return shapeLayer 84 | }() 85 | 86 | 87 | 88 | 89 | override init(frame: CGRect) { 90 | super.init(frame: frame) 91 | setupsubviews() 92 | } 93 | 94 | required init?(coder aDecoder: NSCoder) { 95 | fatalError("init(coder:) has not been implemented") 96 | } 97 | 98 | func setupsubviews() { 99 | layer.addSublayer(shortSymbol) 100 | layer.addSublayer(middleSymbol) 101 | layer.addSublayer(longSymbol) 102 | backgroundColor = UIColor(red: 250/255.0, green: 250/255.0, blue: 250/255.0, alpha: 1) 103 | 104 | 105 | } 106 | 107 | 108 | func drawRuler() { 109 | 110 | /// 重绘之前移除所有的 111 | layer.sublayers?.forEach({ (sublayer) in 112 | 113 | if sublayer.isKind(of: CATextLayer.self) { 114 | sublayer.removeFromSuperlayer() 115 | } 116 | }) 117 | 118 | let longPathRef = CGMutablePath() 119 | let middlePathRef = CGMutablePath() 120 | let shortPathRef = CGMutablePath() 121 | 122 | for idx in 0 ... rulerCount { 123 | 124 | let i = CGFloat(idx) 125 | 126 | let rule = CATextLayer() 127 | rule.foregroundColor = UIColor.lightGray.cgColor 128 | rule.font = ruleFont 129 | rule.fontSize = ruleFont.pointSize 130 | rule.contentsScale = UIScreen.main.scale 131 | rule.string = String(format: "%.0f", (i + minValue) * rulerAverage) 132 | 133 | let textSize = (rule.string as! NSString).size(withAttributes: [NSAttributedStringKey.font : ruleFont]) 134 | rule.bounds = CGRect(origin: CGPoint.zero, size: textSize) 135 | 136 | if idx % Int(binary) == 0 { 137 | 138 | longPathRef.move(to: CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i , y: DISTANCETOPANDBOTTOM + textSize.height + 5)) 139 | longPathRef.addLine(to: CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i, y: bounds.height - DISTANCETOPANDBOTTOM)) 140 | rule.position = CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i, y: 5 + textSize.height / 2) 141 | layer.addSublayer(rule) 142 | 143 | } else if idx % Int(binary / 2) == 0 { 144 | 145 | middlePathRef.move(to: CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i , y: DISTANCETOPANDBOTTOM + textSize.height + 10)) 146 | middlePathRef.addLine(to: CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i, y: bounds.height - DISTANCETOPANDBOTTOM)) 147 | 148 | 149 | } else if isShowShortSymbol == true { 150 | 151 | shortPathRef.move(to: CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i , y: DISTANCETOPANDBOTTOM + textSize.height + 15)) 152 | shortPathRef.addLine(to: CGPoint(x: DISTANCELEFTANDRIGHT + DISTANCEVALUE * i, y: bounds.height - DISTANCETOPANDBOTTOM)) 153 | 154 | } 155 | } 156 | 157 | shortSymbol.path = shortPathRef 158 | middleSymbol.path = middlePathRef 159 | longSymbol.path = longPathRef 160 | 161 | 162 | 163 | 164 | if (isSmallModel) { 165 | 166 | contentInset = UIEdgeInsetsMake(0, bounds.width / 2 - DISTANCELEFTANDRIGHT, 0, bounds.width / 2 - DISTANCELEFTANDRIGHT) 167 | contentOffset = CGPoint(x: DISTANCEVALUE * ((rulerValue - minValue) / rulerAverage) - bounds.width + (bounds.width / 2 + DISTANCELEFTANDRIGHT), y: 0) 168 | 169 | } else { 170 | contentOffset = CGPoint(x: DISTANCEVALUE * ((rulerValue - minValue) / rulerAverage) - bounds.width / 2.0 + DISTANCELEFTANDRIGHT, y: 0) 171 | } 172 | 173 | contentSize = CGSize(width: CGFloat(rulerCount) * DISTANCEVALUE + DISTANCELEFTANDRIGHT * 2, height: bounds.height) 174 | 175 | } 176 | 177 | /* 178 | // Only override draw() if you perform custom drawing. 179 | // An empty implementation adversely affects performance during animation. 180 | override func draw(_ rect: CGRect) { 181 | // Drawing code 182 | } 183 | */ 184 | 185 | } 186 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/MLSliderRulerView.swift: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | // 5 | // MLSliderRuler.swift 6 | // MLSilderRulerView 7 | // 8 | // Created by Macro on 2018/1/25. 9 | // Copyright © 2018年 CodeMarco. All rights reserved. 10 | // 11 | 12 | import UIKit 13 | 14 | protocol MLSliderRulerViewDelegate: class { 15 | func sliderRulerView(ruler: UIView, rulervalue: CGFloat) 16 | } 17 | 18 | class MLSliderRulerView: UIView { 19 | 20 | weak var delegate: MLSliderRulerViewDelegate? 21 | 22 | var valueLabelFont = UIFont.systemFont(ofSize: 14) { 23 | didSet { 24 | valueLabel.font = valueLabelFont 25 | } 26 | } 27 | 28 | var rulerHeight: CGFloat = 50.0 { 29 | didSet { 30 | rulerScrollView.frame = CGRect(x: 0, y: frame.size.height - rulerHeight, width: frame.size.width, height: rulerHeight) 31 | rulerScrollView.drawRuler() 32 | } 33 | } 34 | 35 | private var rulerScrollView = MLSliderRulerScrollView() 36 | private let markLine = CALayer() 37 | private let valueLabel = UILabel() 38 | 39 | 40 | 41 | override init(frame: CGRect) { 42 | super.init(frame: frame) 43 | rulerScrollView.frame = CGRect(x: 0, y: frame.size.height - rulerHeight, width: frame.size.width, height: rulerHeight) 44 | rulerScrollView.showsHorizontalScrollIndicator = false 45 | rulerScrollView.delegate = self 46 | addSubview(rulerScrollView) 47 | 48 | markLine.backgroundColor = UIColor.black.withAlphaComponent(0.4).cgColor 49 | markLine.cornerRadius = 4 50 | markLine.frame = CGRect(origin: CGPoint.zero, size: CGSize(width: 8, height: rulerScrollView.bounds.height + 8)) 51 | markLine.position = CGPoint(x: bounds.midX, y: rulerScrollView.bounds.midY + rulerScrollView.frame.minY) 52 | layer.addSublayer(markLine) 53 | 54 | valueLabel.font = UIFont.systemFont(ofSize: 15) 55 | valueLabel.textAlignment = .center 56 | valueLabel.textColor = UIColor.black 57 | valueLabel.frame = CGRect(x: 0, y: rulerScrollView.frame.minY - 30, width: bounds.width, height: 20) 58 | valueLabel.text = "163 cm" 59 | addSubview(valueLabel) 60 | 61 | rulerScrollView.layer.cornerRadius = min(rulerScrollView.bounds.size.height, rulerScrollView.bounds.size.width) / 2 62 | 63 | // rulerScrollView.layer.cornerRadius = min(rulerScrollView.bounds.size.height, rulerScrollView.bounds.size.width) / 2 64 | // rulerScrollView.layer.shadowColor = UIColor.black.cgColor 65 | // rulerScrollView.layer.shadowOffset = CGSize(width: 2, height: 4) 66 | // rulerScrollView.layer.shadowRadius = rulerScrollView.layer.cornerRadius 67 | // rulerScrollView.layer.shadowOpacity = Float(0.5) 68 | // rulerScrollView.layer.shadowPath = UIBezierPath(roundedRect: rulerScrollView.bounds, byRoundingCorners: .allCorners, cornerRadii: CGSize(width: 8, height: 8)).cgPath 69 | // rulerScrollView.layer.shouldRasterize = true 70 | // rulerScrollView.layer.rasterizationScale = UIScreen.main.scale 71 | 72 | } 73 | 74 | required init?(coder aDecoder: NSCoder) { 75 | fatalError("init(coder:) has not been implemented") 76 | } 77 | 78 | 79 | override func layoutSubviews() { 80 | super.layoutSubviews() 81 | 82 | 83 | rulerScrollView.drawRuler() 84 | 85 | } 86 | 87 | 88 | 89 | 90 | func animationRebound() { 91 | 92 | let offSetX = rulerScrollView.contentOffset.x + bounds.width / 2 - DISTANCELEFTANDRIGHT 93 | var oX = (offSetX / DISTANCEVALUE) * rulerScrollView.rulerAverage 94 | 95 | oX = round(oX) 96 | 97 | 98 | let offX = (oX / rulerScrollView.rulerAverage) * DISTANCEVALUE + DISTANCELEFTANDRIGHT - frame.size.width / 2; 99 | 100 | rulerScrollView.setContentOffset(CGPoint(x: offX, y: 0), animated: true) 101 | 102 | } 103 | } 104 | 105 | extension MLSliderRulerView: UIScrollViewDelegate { 106 | 107 | func scrollViewDidScroll(_ scrollView: UIScrollView) { 108 | 109 | let offSetX = scrollView.contentOffset.x + bounds.size.width / 2 - DISTANCELEFTANDRIGHT 110 | let ruleValue = (offSetX / DISTANCEVALUE) * rulerScrollView.rulerAverage 111 | 112 | let valuetext = "\(round(ruleValue) + rulerScrollView.minValue) cm" 113 | 114 | if valuetext != valueLabel.text { 115 | valueLabel.text = valuetext 116 | } 117 | 118 | } 119 | 120 | func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { 121 | animationRebound() 122 | } 123 | 124 | func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) { 125 | animationRebound() 126 | } 127 | 128 | } 129 | 130 | 131 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerView/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // MLSilderRulerView 4 | // 5 | // Created by Macro on 2018/1/25. 6 | // Copyright © 2018年 CodeMarco. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class ViewController: UIViewController { 12 | 13 | override func viewDidLoad() { 14 | super.viewDidLoad() 15 | // Do any additional setup after loading the view, typically from a nib. 16 | 17 | let rulerV = MLSliderRulerView(frame: CGRect(x: 70, y: 200, width: UIScreen.main.bounds.width - 140, height: 200)) 18 | 19 | // rulerV.showRulerScrollView(with: 200, average: 0.1, currentValue: 16.5) 20 | 21 | view.addSubview(rulerV) 22 | 23 | 24 | } 25 | 26 | override func didReceiveMemoryWarning() { 27 | super.didReceiveMemoryWarning() 28 | // Dispose of any resources that can be recreated. 29 | } 30 | 31 | 32 | } 33 | 34 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerViewTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerViewTests/MLSilderRulerViewTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MLSilderRulerViewTests.swift 3 | // MLSilderRulerViewTests 4 | // 5 | // Created by Macro on 2018/1/25. 6 | // Copyright © 2018年 CodeMarco. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import MLSilderRulerView 11 | 12 | class MLSilderRulerViewTests: XCTestCase { 13 | 14 | override func setUp() { 15 | super.setUp() 16 | // Put setup code here. This method is called before the invocation of each test method in the class. 17 | } 18 | 19 | override func tearDown() { 20 | // Put teardown code here. This method is called after the invocation of each test method in the class. 21 | super.tearDown() 22 | } 23 | 24 | func testExample() { 25 | // This is an example of a functional test case. 26 | // Use XCTAssert and related functions to verify your tests produce the correct results. 27 | } 28 | 29 | func testPerformanceExample() { 30 | // This is an example of a performance test case. 31 | self.measure { 32 | // Put the code you want to measure the time of here. 33 | } 34 | } 35 | 36 | } 37 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerViewUITests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /MLSilderRulerView/MLSilderRulerViewUITests/MLSilderRulerViewUITests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MLSilderRulerViewUITests.swift 3 | // MLSilderRulerViewUITests 4 | // 5 | // Created by Macro on 2018/1/25. 6 | // Copyright © 2018年 CodeMarco. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | 11 | class MLSilderRulerViewUITests: XCTestCase { 12 | 13 | override func setUp() { 14 | super.setUp() 15 | 16 | // Put setup code here. This method is called before the invocation of each test method in the class. 17 | 18 | // In UI tests it is usually best to stop immediately when a failure occurs. 19 | continueAfterFailure = false 20 | // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method. 21 | XCUIApplication().launch() 22 | 23 | // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this. 24 | } 25 | 26 | override func tearDown() { 27 | // Put teardown code here. This method is called after the invocation of each test method in the class. 28 | super.tearDown() 29 | } 30 | 31 | func testExample() { 32 | // Use recording to get started writing UI tests. 33 | // Use XCTAssert and related functions to verify your tests produce the correct results. 34 | } 35 | 36 | } 37 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # MLSliderRulerView 2 | 一个刻度尺，滑动选择器 3 | ##### 一个刻度尺，滑动选择器 --------------------------------------------------------------------------------