├── .gitignore
├── ElegantProgress.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   ├── xcshareddata
    │   │   └── ElegantProgress.xccheckout
    │   └── xcuserdata
    │   │   └── wayne.xcuserdatad
    │   │       └── UserInterfaceState.xcuserstate
    └── xcuserdata
    │   └── wayne.xcuserdatad
    │       ├── xcdebugger
    │           └── Breakpoints_v2.xcbkptlist
    │       └── xcschemes
    │           ├── ElegantProgress.xcscheme
    │           └── xcschememanagement.plist
├── ElegantProgress
    ├── AppDelegate.swift
    ├── Assets.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── ElegantProgressView.swift
    ├── Info.plist
    ├── InnerShadowLayer.swift
    ├── UIColor+Ex.swift
    └── ViewController.swift
├── README.md
└── demo.m4v


/.gitignore:
--------------------------------------------------------------------------------
1 | Build
2 | .git
3 | 


--------------------------------------------------------------------------------
/ElegantProgress.xcodeproj/project.pbxproj:
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46 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
47 |       launchStyle = "0"
48 |       useCustomWorkingDirectory = "NO"
49 |       buildConfiguration = "Debug"
50 |       ignoresPersistentStateOnLaunch = "NO"
51 |       debugDocumentVersioning = "YES"
52 |       debugServiceExtension = "internal"
53 |       allowLocationSimulation = "YES">
54 |       <BuildableProductRunnable
55 |          runnableDebuggingMode = "0">
56 |          <BuildableReference
57 |             BuildableIdentifier = "primary"
58 |             BlueprintIdentifier = "B081FFAE1B31193100BDA08D"
59 |             BuildableName = "ElegantProgress.app"
60 |             BlueprintName = "ElegantProgress"
61 |             ReferencedContainer = "container:ElegantProgress.xcodeproj">
62 |          </BuildableReference>
63 |       </BuildableProductRunnable>
64 |       <AdditionalOptions>
65 |       </AdditionalOptions>
66 |    </LaunchAction>
67 |    <ProfileAction
68 |       shouldUseLaunchSchemeArgsEnv = "YES"
69 |       savedToolIdentifier = ""
70 |       useCustomWorkingDirectory = "NO"
71 |       buildConfiguration = "Release"
72 |       debugDocumentVersioning = "YES">
73 |       <BuildableProductRunnable
74 |          runnableDebuggingMode = "0">
75 |          <BuildableReference
76 |             BuildableIdentifier = "primary"
77 |             BlueprintIdentifier = "B081FFAE1B31193100BDA08D"
78 |             BuildableName = "ElegantProgress.app"
79 |             BlueprintName = "ElegantProgress"
80 |             ReferencedContainer = "container:ElegantProgress.xcodeproj">
81 |          </BuildableReference>
82 |       </BuildableProductRunnable>
83 |    </ProfileAction>
84 |    <AnalyzeAction
85 |       buildConfiguration = "Debug">
86 |    </AnalyzeAction>
87 |    <ArchiveAction
88 |       buildConfiguration = "Release"
89 |       revealArchiveInOrganizer = "YES">
90 |    </ArchiveAction>
91 | </Scheme>
92 | 


--------------------------------------------------------------------------------
/ElegantProgress.xcodeproj/xcuserdata/wayne.xcuserdatad/xcschemes/xcschememanagement.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>ElegantProgress.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>B081FFAE1B31193100BDA08D</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
19 | 		</dict>
20 | 	</dict>
21 | </dict>
22 | </plist>
23 | 


--------------------------------------------------------------------------------
/ElegantProgress/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  ElegantProgress
 4 | //
 5 | //  Created by wayne on 15/6/17.
 6 | //  Copyright © 2015年 wayne. 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: [NSObject: AnyObject]?) -> Bool {
18 |         // Override point for customization after application launch.
19 |         
20 |         UIApplication.sharedApplication().statusBarHidden = false
21 |         
22 |         
23 |         return true
24 |     }
25 | 
26 |     func applicationWillResignActive(application: UIApplication) {
27 |         // 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.
28 |         // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
29 |     }
30 | 
31 |     func applicationDidEnterBackground(application: UIApplication) {
32 |         // 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.
33 |         // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
34 |     }
35 | 
36 |     func applicationWillEnterForeground(application: UIApplication) {
37 |         // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
38 |     }
39 | 
40 |     func applicationDidBecomeActive(application: UIApplication) {
41 |         // 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.
42 |     }
43 | 
44 |     func applicationWillTerminate(application: UIApplication) {
45 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
46 |     }
47 | 
48 | 
49 | }
50 | 
51 | 


--------------------------------------------------------------------------------
/ElegantProgress/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 | }


--------------------------------------------------------------------------------
/ElegantProgress/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8121.17" systemVersion="14D136" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <deployment identifier="iOS"/>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8101.14"/>
 6 |         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <layoutGuides>
14 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
15 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
16 |                     </layoutGuides>
17 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
18 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
19 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
20 |                         <subviews>
21 |                             <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright © 2015年 wayne. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="obG-Y5-kRd">
22 |                                 <rect key="frame" x="20" y="559" width="560" height="21"/>
23 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
24 |                                 <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
25 |                                 <nil key="highlightedColor"/>
26 |                             </label>
27 |                             <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="ElegantProgress" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="GJd-Yh-RWb">
28 |                                 <rect key="frame" x="20" y="180" width="560" height="43"/>
29 |                                 <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
30 |                                 <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
31 |                                 <nil key="highlightedColor"/>
32 |                             </label>
33 |                         </subviews>
34 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
35 |                         <constraints>
36 |                             <constraint firstAttribute="centerX" secondItem="obG-Y5-kRd" secondAttribute="centerX" id="5cz-MP-9tL"/>
37 |                             <constraint firstAttribute="centerX" secondItem="GJd-Yh-RWb" secondAttribute="centerX" id="Q3B-4B-g5h"/>
38 |                             <constraint firstItem="obG-Y5-kRd" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" constant="20" symbolic="YES" id="SfN-ll-jLj"/>
39 |                             <constraint firstAttribute="bottom" secondItem="obG-Y5-kRd" secondAttribute="bottom" constant="20" id="Y44-ml-fuU"/>
40 |                             <constraint firstItem="GJd-Yh-RWb" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="bottom" multiplier="1/3" constant="1" id="moa-c2-u7t"/>
41 |                             <constraint firstItem="GJd-Yh-RWb" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" constant="20" symbolic="YES" id="x7j-FC-K8j"/>
42 |                         </constraints>
43 |                     </view>
44 |                 </viewController>
45 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
46 |             </objects>
47 |             <point key="canvasLocation" x="53" y="375"/>
48 |         </scene>
49 |     </scenes>
50 | </document>
51 | 


--------------------------------------------------------------------------------
/ElegantProgress/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8121.17" systemVersion="14D136" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <deployment identifier="iOS"/>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8101.14"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="ElegantProgress" customModuleProvider="target" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |         </scene>
25 |     </scenes>
26 | </document>
27 | 


--------------------------------------------------------------------------------
/ElegantProgress/ElegantProgressView.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ElegantProgressView.swift
  3 | //  ElegantProgress
  4 | //
  5 | //  Created by wayne on 15/6/17.
  6 | //  Copyright © 2015年 wayne. All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | 
 11 | class ElegantProgressView: UIView {
 12 |     private var textLabel: UILabel!
 13 |     private var progressLayer: CAShapeLayer!
 14 |     
 15 |     var progress:CGFloat {
 16 |         get { return progressLayer.strokeEnd }
 17 |         set{
 18 |             var realValue = newValue
 19 |             if realValue < CGFloat.min {
 20 |                 realValue = CGFloat.min
 21 |             }
 22 |                         
 23 |             CATransaction.begin()
 24 |             CATransaction.setDisableActions(false)
 25 |             CATransaction.setAnimationTimingFunction(CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseIn))
 26 |             CATransaction.setAnimationDuration(0.001)
 27 |             progressLayer.strokeEnd = realValue
 28 |             CATransaction.commit()
 29 |             
 30 |             if realValue <= CGFloat.min {
 31 |                 textLabel.text = "Waiting..."
 32 |             }
 33 |             else if realValue == 1 {
 34 |                 textLabel.text = "Done"
 35 |             }
 36 |             else {
 37 |                 textLabel.text = NSString(format: "%.f%%", realValue * 100) as String
 38 |             }
 39 |         }
 40 |     }
 41 |     
 42 |     required init(coder aDecoder: NSCoder) {
 43 |         super.init(coder: aDecoder)
 44 |     }
 45 |     
 46 |     override init(frame: CGRect) {
 47 |         super.init(frame: frame)
 48 |         self.backgroundColor = UIColor.hexColor(0xeff8f3)
 49 |         
 50 |         /* 添加圆角 */
 51 |         self.layer.masksToBounds = true
 52 |         self.layer.cornerRadius  = self.bounds.width / 2
 53 |         
 54 |         // 添加 layers
 55 |         self.layoutSublayers()
 56 |     }
 57 | 
 58 |     private func layoutSublayers() {
 59 |         
 60 |         func addBottom() {  // 给底盘添加黑色和白色的内阴影
 61 |             
 62 |             let topLeftShadowLayer                    = InnerShadowLayer()
 63 |             topLeftShadowLayer.frame                  = CGRectInset(self.bounds, -1.5, -1.5)
 64 |             topLeftShadowLayer.cornerRadius           = topLeftShadowLayer.bounds.width / 2
 65 |             topLeftShadowLayer.innerShadowOpacity     = 0.5
 66 |             topLeftShadowLayer.innerShadowRadius      = 5
 67 |             topLeftShadowLayer.innerShadowOffset      = CGSizeMake(1.6, 1.6)
 68 |             self.layer.addSublayer(topLeftShadowLayer)
 69 |             
 70 |             let bottomRightShadowLayer               = InnerShadowLayer()
 71 |             bottomRightShadowLayer.frame             = CGRectInset(self.bounds, -0.5, -0.5)
 72 |             bottomRightShadowLayer.cornerRadius      = bottomRightShadowLayer.bounds.width / 2
 73 |             bottomRightShadowLayer.innerShadowColor  = UIColor.whiteColor().CGColor
 74 |             bottomRightShadowLayer.innerShadowRadius = 1
 75 |             bottomRightShadowLayer.innerShadowOffset = CGSizeMake(-0.5, -0.5)
 76 |             self.layer.addSublayer(bottomRightShadowLayer)
 77 |             
 78 |         }
 79 |         addBottom()
 80 |         
 81 |         
 82 |         func addMiddle() {
 83 |             
 84 |             let middleRectInset         = layer.bounds.width * 0.1
 85 |             
 86 |             let middleLayer             = CAShapeLayer()
 87 |             middleLayer.frame           = CGRectInset(layer.bounds, middleRectInset, middleRectInset)
 88 |             middleLayer.cornerRadius    = middleLayer.bounds.width / 2
 89 |             middleLayer.backgroundColor = UIColor.clearColor().CGColor
 90 |             
 91 |             middleLayer.shouldRasterize    = true
 92 |             middleLayer.contentsScale      = UIScreen.mainScreen().scale
 93 |             middleLayer.rasterizationScale = UIScreen.mainScreen().scale
 94 |             middleLayer.shadowColor        = UIColor.blackColor().CGColor
 95 |             middleLayer.shadowOffset       = CGSizeMake(2, 6)    // 注意比例
 96 |             middleLayer.shadowRadius       = 5
 97 |             middleLayer.shadowOpacity      = 0.3
 98 |             
 99 |             self.layer.addSublayer(middleLayer)
100 |             
101 |             /******************************************************************/
102 |             
103 |             let gradientLayer          = CAGradientLayer()
104 |             gradientLayer.frame        = CGRectInset(middleLayer.bounds, -0.2, -0.2)
105 |             gradientLayer.cornerRadius = gradientLayer.bounds.width / 2
106 |             gradientLayer.colors       = [UIColor.hexColor(0xf8fdfa).CGColor, UIColor.hexColor(0xc1cbc6).CGColor]
107 |             gradientLayer.locations    = [-0.15, 0.75]
108 |             gradientLayer.startPoint   = CGPointMake(0.25, 0)
109 |             gradientLayer.endPoint     = CGPointMake(0.75, 1)
110 |             middleLayer.addSublayer(gradientLayer)
111 |             
112 |             /******************************************************************/
113 |             
114 |             let bottomRightShadowLayer                = InnerShadowLayer()
115 |             bottomRightShadowLayer.frame              = CGRectInset(gradientLayer.bounds, -2, -2)
116 |             bottomRightShadowLayer.cornerRadius       = bottomRightShadowLayer.bounds.width / 2
117 |             bottomRightShadowLayer.innerShadowOffset  = CGSizeMake(-10, -10)
118 |             bottomRightShadowLayer.innerShadowOpacity = 0.3
119 |             bottomRightShadowLayer.innerShadowRadius  = 18
120 |             gradientLayer.masksToBounds               = true
121 |             gradientLayer.addSublayer(bottomRightShadowLayer)
122 |             
123 |             /******************************************************************/
124 |             
125 |             let topLeftShadowLayer               = InnerShadowLayer()
126 |             topLeftShadowLayer.frame             = CGRectInset(gradientLayer.bounds, -1, -1)
127 |             topLeftShadowLayer.cornerRadius      = topLeftShadowLayer.bounds.width / 2
128 |             topLeftShadowLayer.innerShadowColor  = UIColor.whiteColor().CGColor
129 |             topLeftShadowLayer.innerShadowRadius = 1.5
130 |             topLeftShadowLayer.innerShadowOffset = CGSizeMake(0.3, 0.9)
131 |             gradientLayer.addSublayer(topLeftShadowLayer)
132 |             
133 |         }
134 |         addMiddle()
135 |         
136 |         
137 |         func addTop() {
138 |             
139 |             let topRectInset  = layer.bounds.width * 0.25
140 |             
141 |             let topLayer             = CAShapeLayer()
142 |             topLayer.frame           = CGRectInset(layer.bounds, topRectInset, topRectInset)
143 |             topLayer.cornerRadius    = topLayer.bounds.width / 2
144 |             topLayer.backgroundColor = UIColor.hexColor(0xd5ddd9).CGColor
145 |             topLayer.masksToBounds   = true;
146 |             
147 |             self.layer.addSublayer(topLayer)
148 |             
149 |             /******************************************************************/
150 |             
151 |             let bottomRightShadowLayer                = InnerShadowLayer()
152 |             bottomRightShadowLayer.frame              = topLayer.bounds
153 |             bottomRightShadowLayer.cornerRadius       = bottomRightShadowLayer.bounds.width / 2
154 |             bottomRightShadowLayer.innerShadowColor   = UIColor.whiteColor().CGColor
155 |             bottomRightShadowLayer.innerShadowOffset  = CGSizeMake(-1, -1)
156 |             bottomRightShadowLayer.innerShadowRadius  = 2
157 |             bottomRightShadowLayer.innerShadowOpacity = 0.6
158 | 
159 |             topLayer.addSublayer(bottomRightShadowLayer)
160 | 
161 |             /******************************************************************/
162 | 
163 |             let topLeftShadowLayer                = InnerShadowLayer()
164 |             topLeftShadowLayer.frame              = topLayer.bounds
165 |             topLeftShadowLayer.cornerRadius       = topLeftShadowLayer.bounds.width / 2
166 |             topLeftShadowLayer.innerShadowRadius  = 15
167 |             topLeftShadowLayer.innerShadowOpacity = 0.2
168 |             topLeftShadowLayer.innerShadowOffset  = CGSizeMake(3, 9)
169 | 
170 |             topLayer.addSublayer(topLeftShadowLayer)
171 |             
172 |         }
173 |         addTop()
174 |         
175 |         
176 |         func addTextLabel() {
177 |             
178 |             let textRectInset  = layer.bounds.width * 0.3
179 |             let frame          = CGRectInset(self.bounds, textRectInset, textRectInset)
180 |             
181 |             textLabel               = UILabel(frame: frame)
182 |             textLabel.text          = "Waiting..."
183 |             textLabel.font = UIFont(name: "HelveticaNeue-Thin", size: 32)
184 |             textLabel.textColor     = UIColor.hexColor(0x97aea6)
185 |             textLabel.textAlignment = NSTextAlignment.Center
186 |             textLabel.adjustsFontSizeToFitWidth = true
187 |             self.addSubview(textLabel)
188 |             
189 |         }
190 |         addTextLabel()
191 |         
192 |         
193 |         func addProgress() {
194 |             
195 |             let gradientLayer          = CAGradientLayer()
196 |             gradientLayer.frame        = layer.bounds
197 |             gradientLayer.cornerRadius = gradientLayer.bounds.width / 2
198 |             gradientLayer.colors       = [UIColor.hexColor(0x70dc98).CGColor, UIColor.hexColor(0x70dcbf).CGColor]
199 |             gradientLayer.locations    = [0, 1]
200 |             gradientLayer.startPoint   = CGPointMake(0.25, 0)
201 |             gradientLayer.endPoint     = CGPointMake(0.75, 1)
202 |             
203 |             layer.insertSublayer(gradientLayer, atIndex: 0)
204 |             
205 |             
206 |             let middleRectInset = layer.bounds.width * 0.1
207 |             let path            = UIBezierPath(arcCenter: layer.position, radius: (layer.bounds.width - middleRectInset) / 2, startAngle: CGFloat(angle: -90), endAngle: CGFloat(angle: 270), clockwise: true).CGPath
208 |             
209 |             progressLayer             = CAShapeLayer()
210 |             progressLayer.frame       = CGRectInset(layer.bounds, layer.borderWidth, layer.borderWidth)
211 |             progressLayer.fillColor   = UIColor.clearColor().CGColor
212 |             progressLayer.strokeColor = UIColor.hexColor(0x70dc98).CGColor
213 |             progressLayer.opacity     = 0.8
214 |             progressLayer.lineCap     = kCALineCapRound
215 |             progressLayer.lineWidth   = middleRectInset
216 |             progressLayer.path        = path
217 |             progressLayer.strokeEnd   = CGFloat.min
218 |             
219 |             gradientLayer.mask = progressLayer
220 |             
221 |         }
222 |         addProgress()
223 |     }
224 | }
225 | 
226 | 
227 | extension CGFloat {
228 |     init(angle: CGFloat) {
229 |         self = angle * CGFloat(M_PI) / 180.0
230 |     }
231 | }
232 | 


--------------------------------------------------------------------------------
/ElegantProgress/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>UIViewControllerBasedStatusBarAppearance</key>
 6 | 	<false/>
 7 | 	<key>CFBundleDevelopmentRegion</key>
 8 | 	<string>en</string>
 9 | 	<key>CFBundleExecutable</key>
10 | 	<string>$(EXECUTABLE_NAME)</string>
11 | 	<key>CFBundleIdentifier</key>
12 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
13 | 	<key>CFBundleInfoDictionaryVersion</key>
14 | 	<string>6.0</string>
15 | 	<key>CFBundleName</key>
16 | 	<string>$(PRODUCT_NAME)</string>
17 | 	<key>CFBundlePackageType</key>
18 | 	<string>APPL</string>
19 | 	<key>CFBundleShortVersionString</key>
20 | 	<string>1.0</string>
21 | 	<key>CFBundleSignature</key>
22 | 	<string>????</string>
23 | 	<key>CFBundleVersion</key>
24 | 	<string>1</string>
25 | 	<key>LSRequiresIPhoneOS</key>
26 | 	<true/>
27 | 	<key>UILaunchStoryboardName</key>
28 | 	<string>LaunchScreen</string>
29 | 	<key>UIMainStoryboardFile</key>
30 | 	<string>Main</string>
31 | 	<key>UIRequiredDeviceCapabilities</key>
32 | 	<array>
33 | 		<string>armv7</string>
34 | 	</array>
35 | 	<key>UISupportedInterfaceOrientations</key>
36 | 	<array>
37 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
38 | 	</array>
39 | 	<key>UISupportedInterfaceOrientations~ipad</key>
40 | 	<array>
41 | 		<string>UIInterfaceOrientationPortrait</string>
42 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
43 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
44 | 		<string>UIInterfaceOrientationLandscapeRight</string>
45 | 	</array>
46 | </dict>
47 | </plist>
48 | 


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/ElegantProgress/InnerShadowLayer.swift:
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  1 | //
  2 | //  InnerShadowLayer.swift
  3 | //  InnerShadowLayer
  4 | //
  5 | //  Created by wayne on 15/6/13.
  6 | //  Copyright © 2015年 wayne. All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | 
 11 | class InnerShadowLayer: CALayer {
 12 |     var innerShadowColor: CGColor? = UIColor.blackColor().CGColor {
 13 |         didSet {
 14 |             setNeedsDisplay()
 15 |         }
 16 |     }
 17 |     var innerShadowOffset: CGSize = CGSizeMake(0, 0) {
 18 |         didSet {
 19 |             setNeedsDisplay()
 20 |         }
 21 |     }
 22 |     var innerShadowRadius: CGFloat = 8 {
 23 |         didSet {
 24 |             setNeedsDisplay()
 25 |         }
 26 |     }
 27 |     var innerShadowOpacity: Float = 1 {
 28 |         didSet {
 29 |             setNeedsDisplay()
 30 |         }
 31 |     }
 32 |     
 33 |     required init?(coder aDecoder: NSCoder) {
 34 |         super.init(coder: aDecoder)
 35 |     }
 36 |     
 37 |     override init() {
 38 |         super.init()
 39 |         
 40 |         self.masksToBounds      = true
 41 |         self.shouldRasterize    = true
 42 |         self.contentsScale      = UIScreen.mainScreen().scale
 43 |         self.rasterizationScale = UIScreen.mainScreen().scale
 44 |         
 45 |         setNeedsDisplay()
 46 |     }
 47 |     
 48 |     override func drawInContext(ctx: CGContext) {
 49 |         print("draw")
 50 |         // 设置 Context 属性
 51 |         // 允许抗锯齿
 52 |         CGContextSetAllowsAntialiasing(ctx, true);
 53 |         // 允许平滑
 54 |         CGContextSetShouldAntialias(ctx, true);
 55 |         // 设置插值质量
 56 |         CGContextSetInterpolationQuality(ctx, CGInterpolationQuality.High);
 57 |         
 58 |         // 以下为核心代码
 59 |         
 60 |         // 创建 color space
 61 |         let colorspace = CGColorSpaceCreateDeviceRGB();
 62 |         
 63 |         var rect   = self.bounds
 64 |         var radius = self.cornerRadius
 65 |         
 66 |         // 去除边框的大小
 67 |         if self.borderWidth != 0 {
 68 |             rect   = CGRectInset(rect, self.borderWidth, self.borderWidth);
 69 |             radius -= self.borderWidth
 70 |             radius = max(radius, 0)
 71 |         }
 72 |         
 73 |         // 创建 inner shadow 的镂空路径
 74 |         let someInnerPath: CGPathRef = UIBezierPath(roundedRect: rect, cornerRadius: radius).CGPath
 75 |         CGContextAddPath(ctx, someInnerPath)
 76 |         CGContextClip(ctx)
 77 |         
 78 |         // 创建阴影填充区域，并镂空中心
 79 |         let shadowPath = CGPathCreateMutable()
 80 |         let shadowRect = CGRectInset(rect, -rect.size.width, -rect.size.width)
 81 |         CGPathAddRect(shadowPath, nil, shadowRect)
 82 |         CGPathAddPath(shadowPath, nil, someInnerPath);
 83 |         CGPathCloseSubpath(shadowPath)
 84 |         
 85 |         // 获取填充颜色信息
 86 |         let oldComponents: UnsafePointer<CGFloat> = CGColorGetComponents(self.innerShadowColor)
 87 |         var newComponents:[CGFloat] = [0, 0, 0, 0]
 88 |         let numberOfComponents: Int = CGColorGetNumberOfComponents(self.innerShadowColor);
 89 |         switch (numberOfComponents){
 90 |         case 2:
 91 |             // 灰度
 92 |             newComponents[0] = oldComponents[0]
 93 |             newComponents[1] = oldComponents[0]
 94 |             newComponents[2] = oldComponents[0]
 95 |             newComponents[3] = oldComponents[1] * CGFloat(self.innerShadowOpacity)
 96 |         case 4:
 97 |             // RGBA
 98 |             newComponents[0] = oldComponents[0]
 99 |             newComponents[1] = oldComponents[1]
100 |             newComponents[2] = oldComponents[2]
101 |             newComponents[3] = oldComponents[3] * CGFloat(self.innerShadowOpacity)
102 |         default: break
103 |         }
104 |         
105 |         // 根据颜色信息创建填充色
106 |         let innerShadowColorWithMultipliedAlpha = CGColorCreate(colorspace, newComponents)
107 |         
108 |         // 填充阴影
109 |         CGContextSetFillColorWithColor(ctx, innerShadowColorWithMultipliedAlpha)
110 |         CGContextSetShadowWithColor(ctx, self.innerShadowOffset, self.innerShadowRadius, innerShadowColorWithMultipliedAlpha)
111 |         CGContextAddPath(ctx, shadowPath)
112 |         CGContextEOFillPath(ctx)
113 |     }
114 | }
115 | 


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/ElegantProgress/UIColor+Ex.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  a.swift
 3 | //  Book
 4 | //
 5 | //  Created by wayne on 15/5/29.
 6 | //  Copyright (c) 2015年 wayne. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | 
12 | extension UIColor {
13 |     class func hexColor(color: Int) -> UIColor {
14 |         let r = (CGFloat)((color & 0xFF0000) >> 16) / 255.0
15 |         let g = (CGFloat)((color & 0xFF00) >> 8) / 255.0
16 |         let b = (CGFloat)(color & 0xFF) / 255.0
17 |         return UIColor(red: r, green: g, blue: b, alpha: 1)
18 |     }
19 | }
20 | 


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/ElegantProgress/ViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.swift
 3 | //  ElegantProgress
 4 | //
 5 | //  Created by wayne on 15/6/17.
 6 | //  Copyright © 2015年 wayne. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | 
12 | 
13 | class ViewController: UIViewController {
14 |     var progressView: ElegantProgressView!
15 | 
16 |     override func viewDidLoad() {
17 |         super.viewDidLoad()
18 |         
19 |         let bounds = CGRectMake(0, 0, 260, 260)
20 |         let center = CGPointMake(view.bounds.width / 2, view.bounds.height / 2)
21 |         progressView = ElegantProgressView(frame: bounds)
22 |         progressView.center = center
23 |         
24 |         self.view.addSubview(progressView)
25 |         
26 |         
27 |     }
28 |     
29 |     override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
30 |         dispatch_async(dispatch_get_global_queue(0, 0)) { () -> Void in
31 |             for i in 0...100 {
32 |                 if i < 40 {
33 |                     NSThread.sleepForTimeInterval(0.03)
34 |                 }
35 |                 else if i < 60 {
36 |                     NSThread.sleepForTimeInterval(0.1)
37 |                 }
38 |                 else {
39 |                     NSThread.sleepForTimeInterval(0.01)
40 |                 }
41 |                 let progress = Double(i) / 100.0
42 |                 dispatch_sync(dispatch_get_main_queue(), { () -> Void in
43 |                     self.progressView.progress = CGFloat(progress)
44 |                 })
45 |             }
46 |         }
47 |     }
48 | }
49 | 
50 | 


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/README.md:
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1 | # ElegantProgress
2 | 
3 | 一枚优雅的小清新拟物化进度条。
4 | 
5 | Demo:
6 | 
7 | 
8 | ![](http://cdn.cocimg.com/bbs/attachment/postcate/topic/16/307402_189_d23014351328770370d40f6e531d8.gif)
9 | 


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/demo.m4v:
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https://raw.githubusercontent.com/zhwayne/ElegantProgress/9701395c4d58cebfbdb922d021c066a68c2b2029/demo.m4v


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