Use image view subclass
This commit is contained in:
Reda Lemeden
parent
d6a7b29aaf
commit
b15e7e3399
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@ -1,8 +1,7 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6206.9" systemVersion="13E28" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="vXZ-lx-hvc">
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6254" systemVersion="14C99d" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="vXZ-lx-hvc">
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<dependencies>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7026.1"/>
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<capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6247"/>
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</dependencies>
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<scenes>
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<!--Gifu-->
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@ -17,13 +16,27 @@
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<rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<subviews>
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<imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="FSz-xF-Xds">
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Gifu" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="c8Y-41-BaC">
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<rect key="frame" x="283" y="45" width="42" height="20.5"/>
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<constraints>
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<constraint firstAttribute="width" relation="greaterThanOrEqual" constant="42" id="1Mg-oH-beY"/>
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</constraints>
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<fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
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<color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Not the Japanese prefecture." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="wsv-cU-WO5">
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<rect key="frame" x="217" y="69" width="175" height="13.5"/>
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<constraints>
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<constraint firstAttribute="width" constant="175" id="qtB-pf-agE"/>
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</constraints>
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<fontDescription key="fontDescription" type="system" pointSize="11"/>
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<color key="textColor" red="1" green="1" blue="1" alpha="0.5" colorSpace="calibratedRGB"/>
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<nil key="highlightedColor"/>
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</label>
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<imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" placeholderIntrinsicWidth="450" placeholderIntrinsicHeight="300" translatesAutoresizingMaskIntoConstraints="NO" id="FSz-xF-Xds" customClass="AnimatableImageView" customModule="Gifu">
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<rect key="frame" x="75" y="150" width="450" height="300"/>
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<color key="backgroundColor" red="0.7725490196" green="0.1764705882" blue="0.1843137255" alpha="1" colorSpace="calibratedRGB"/>
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<constraints>
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<constraint firstAttribute="height" constant="300" id="oev-E3-JrW"/>
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<constraint firstAttribute="width" secondItem="FSz-xF-Xds" secondAttribute="height" multiplier="1.5:1" id="vUc-PW-K4t"/>
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</constraints>
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</imageView>
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<button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="bFY-3J-OXr" customClass="FlatButton" customModule="gifu_demo" customModuleProvider="target">
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<rect key="frame" x="275" y="509" width="50" height="50"/>
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@ -44,26 +57,8 @@
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<action selector="toggleAnimation:" destination="vXZ-lx-hvc" eventType="touchUpInside" id="PvH-3E-LbB"/>
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</connections>
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</button>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Gifu" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="c8Y-41-BaC">
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<rect key="frame" x="283" y="45" width="42" height="20.5"/>
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<constraints>
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<constraint firstAttribute="width" relation="greaterThanOrEqual" constant="42" id="1Mg-oH-beY"/>
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</constraints>
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<fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
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<color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Not the Japanese prefecture." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="wsv-cU-WO5">
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<rect key="frame" x="217" y="69" width="175" height="13.5"/>
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<constraints>
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<constraint firstAttribute="width" constant="175" id="qtB-pf-agE"/>
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</constraints>
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<fontDescription key="fontDescription" type="system" pointSize="11"/>
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<color key="textColor" red="1" green="1" blue="1" alpha="0.5" colorSpace="calibratedRGB"/>
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<nil key="highlightedColor"/>
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</label>
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</subviews>
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<color key="backgroundColor" red="0.2304944545" green="0.24875254929999999" blue="0.2778563201" alpha="1" colorSpace="calibratedRGB"/>
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<color key="backgroundColor" red="0.24722154438495636" green="0.26659342646598816" blue="0.2988148033618927" alpha="1" colorSpace="calibratedRGB"/>
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<constraints>
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<constraint firstAttribute="centerY" secondItem="bFY-3J-OXr" secondAttribute="centerY" id="09i-ag-RTM"/>
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<constraint firstItem="bFY-3J-OXr" firstAttribute="top" secondItem="FSz-xF-Xds" secondAttribute="bottom" constant="-73" id="1KN-hB-V2y"/>
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@ -3,17 +3,14 @@ import Gifu
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class ViewController: UIViewController {
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@IBOutlet weak var imageView: UIImageView!
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@IBOutlet weak var imageView: AnimatableImageView!
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@IBOutlet weak var button: FlatButton!
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override func viewDidLoad() {
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super.viewDidLoad()
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if let image = AnimatedImage.animatedImageWithName("mugen.gif") {
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imageView.setAnimatedImage(image)
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imageView.startAnimatingGIF()
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}
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imageView.animateWithImage(named: "mugen.gif")
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UIApplication.sharedApplication().setStatusBarStyle(.LightContent, animated: false)
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}
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@ -7,10 +7,11 @@
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objects = {
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/* Begin PBXBuildFile section */
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005656ED1A6F14D6008A0ED1 /* Animator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 005656EC1A6F14D6008A0ED1 /* Animator.swift */; };
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005656EF1A6F1C26008A0ED1 /* AnimatableImageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 005656EE1A6F1C26008A0ED1 /* AnimatableImageView.swift */; };
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005656F11A7042E9008A0ED1 /* Animatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 005656F01A7042E9008A0ED1 /* Animatable.swift */; };
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006F97011A6EDE7900CB5CE8 /* Runes.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 006F97001A6EDE7900CB5CE8 /* Runes.framework */; };
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00B8C75E1A364DCE00C188E7 /* AnimatedImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 00B8C75B1A364DCE00C188E7 /* AnimatedImage.swift */; };
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00B8C75F1A364DCE00C188E7 /* ImageSourceHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = 00B8C75C1A364DCE00C188E7 /* ImageSourceHelpers.swift */; };
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00B8C7601A364DCE00C188E7 /* UIImageView+Gifu.swift in Sources */ = {isa = PBXBuildFile; fileRef = 00B8C75D1A364DCE00C188E7 /* UIImageView+Gifu.swift */; };
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00B8C7961A3650EE00C188E7 /* Gifu.h in Headers */ = {isa = PBXBuildFile; fileRef = 00B8C7951A3650EE00C188E7 /* Gifu.h */; settings = {ATTRIBUTES = (Public, ); }; };
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EAF49C7F1A3A4DE000B395DF /* UIImageExtension.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF49C7E1A3A4DE000B395DF /* UIImageExtension.swift */; };
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EAF49C811A3A4FAA00B395DF /* Curry.swift in Sources */ = {isa = PBXBuildFile; fileRef = EAF49C801A3A4FAA00B395DF /* Curry.swift */; };
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@ -18,12 +19,13 @@
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/* End PBXBuildFile section */
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/* Begin PBXFileReference section */
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005656EC1A6F14D6008A0ED1 /* Animator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Animator.swift; sourceTree = "<group>"; };
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005656EE1A6F1C26008A0ED1 /* AnimatableImageView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AnimatableImageView.swift; sourceTree = "<group>"; };
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005656F01A7042E9008A0ED1 /* Animatable.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Animatable.swift; sourceTree = "<group>"; };
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006F97001A6EDE7900CB5CE8 /* Runes.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Runes.framework; path = "../Carthage/Checkouts/runes/build/Debug-iphoneos/Runes.framework"; sourceTree = "<group>"; };
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00B8C73E1A364DA400C188E7 /* Gifu.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Gifu.framework; sourceTree = BUILT_PRODUCTS_DIR; };
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00B8C7421A364DA400C188E7 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; name = Info.plist; path = ../Source/Info.plist; sourceTree = "<group>"; };
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00B8C75B1A364DCE00C188E7 /* AnimatedImage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AnimatedImage.swift; sourceTree = "<group>"; };
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00B8C75C1A364DCE00C188E7 /* ImageSourceHelpers.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImageSourceHelpers.swift; sourceTree = "<group>"; };
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00B8C75D1A364DCE00C188E7 /* UIImageView+Gifu.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIImageView+Gifu.swift"; sourceTree = "<group>"; };
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00B8C7951A3650EE00C188E7 /* Gifu.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Gifu.h; sourceTree = "<group>"; };
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EAF49C7E1A3A4DE000B395DF /* UIImageExtension.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = UIImageExtension.swift; sourceTree = "<group>"; };
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EAF49C801A3A4FAA00B395DF /* Curry.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Curry.swift; sourceTree = "<group>"; };
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@ -72,13 +74,14 @@
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00B8C75A1A364DBE00C188E7 /* Source */ = {
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isa = PBXGroup;
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children = (
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005656EE1A6F1C26008A0ED1 /* AnimatableImageView.swift */,
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EAF49CB01A3B6EEB00B395DF /* AnimatedFrame.swift */,
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005656EC1A6F14D6008A0ED1 /* Animator.swift */,
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005656F01A7042E9008A0ED1 /* Animatable.swift */,
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00B8C7951A3650EE00C188E7 /* Gifu.h */,
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00B8C75B1A364DCE00C188E7 /* AnimatedImage.swift */,
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00B8C75C1A364DCE00C188E7 /* ImageSourceHelpers.swift */,
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00B8C75D1A364DCE00C188E7 /* UIImageView+Gifu.swift */,
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EAF49C7E1A3A4DE000B395DF /* UIImageExtension.swift */,
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EAF49C801A3A4FAA00B395DF /* Curry.swift */,
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EAF49CB01A3B6EEB00B395DF /* AnimatedFrame.swift */,
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);
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path = Source;
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sourceTree = "<group>";
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@ -161,11 +164,12 @@
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isa = PBXSourcesBuildPhase;
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buildActionMask = 2147483647;
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files = (
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005656EF1A6F1C26008A0ED1 /* AnimatableImageView.swift in Sources */,
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005656ED1A6F14D6008A0ED1 /* Animator.swift in Sources */,
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EAF49CB11A3B6EEB00B395DF /* AnimatedFrame.swift in Sources */,
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00B8C7601A364DCE00C188E7 /* UIImageView+Gifu.swift in Sources */,
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005656F11A7042E9008A0ED1 /* Animatable.swift in Sources */,
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00B8C75F1A364DCE00C188E7 /* ImageSourceHelpers.swift in Sources */,
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EAF49C811A3A4FAA00B395DF /* Curry.swift in Sources */,
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00B8C75E1A364DCE00C188E7 /* AnimatedImage.swift in Sources */,
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EAF49C7F1A3A4DE000B395DF /* UIImageExtension.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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@ -0,0 +1,4 @@
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protocol Animatable {
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var layer: CALayer { get }
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var frame: CGRect { get }
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}
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@ -0,0 +1,44 @@
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import UIKit
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import ImageIO
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import Runes
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public class AnimatableImageView: UIImageView, Animatable {
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var animator: Animator?
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public var isAnimatingGIF: Bool {
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return animator?.isAnimating ?? isAnimating()
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}
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public func prepareForAnimation(imageNamed imageName: String) {
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let path = NSBundle.mainBundle().bundlePath.stringByAppendingPathComponent(imageName)
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prepareForAnimation <^> NSData(contentsOfFile: path)
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}
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public func prepareForAnimation(imageData data: NSData) {
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image = UIImage(data: data)
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animator = Animator(data: data, delegate: self)
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}
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public func animateWithImage(named imageName: String) {
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prepareForAnimation(imageNamed: imageName)
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startAnimatingGIF()
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}
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public func animateWithImageData(#data: NSData) {
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prepareForAnimation(imageData: data)
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startAnimatingGIF()
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}
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override public func displayLayer(layer: CALayer!) {
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image = animator?.currentFrame?
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}
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public func startAnimatingGIF() {
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animator?.resumeAnimation() ?? startAnimating()
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}
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public func stopAnimatingGIF() {
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animator?.pauseAnimation() ?? stopAnimating()
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}
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}
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@ -2,77 +2,33 @@ import UIKit
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import ImageIO
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import Runes
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public class AnimatedImage: UIImage {
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// MARK: - Constants
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class Animator: NSObject {
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let maxTimeStep = 1.0
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// MARK: - Public Properties
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var delegate: UIImageView?
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var animatedFrames = [AnimatedFrame]()
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var totalDuration: NSTimeInterval = 0.0
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override public var size: CGSize {
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return frameAtIndex(0)?.size ?? CGSizeZero
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}
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// MARK: - Private Properties
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private lazy var displayLink: CADisplayLink = CADisplayLink(target: self, selector: "updateCurrentFrame")
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let delegate: Animatable
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private var currentFrameIndex = 0
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private var timeSinceLastFrameChange: NSTimeInterval = 0.0
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private lazy var displayLink: CADisplayLink = CADisplayLink(target: self, selector: "updateCurrentFrame")
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// MARK: - Computed Properties
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var currentFrame: UIImage? {
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return frameAtIndex(currentFrameIndex)
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}
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private var isAnimated: Bool {
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return totalDuration != 0.0
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var isAnimating: Bool {
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return !displayLink.paused
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}
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// MARK: - Initializers
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required public init(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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}
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public override convenience init(data: NSData) {
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self.init(data: data, size: CGSizeZero)
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}
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required public init(data: NSData, size: CGSize) {
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super.init()
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required init(data: NSData, delegate: Animatable) {
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let imageSource = CGImageSourceCreateWithData(data, nil)
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self.delegate = delegate
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super.init()
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attachDisplayLink()
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curry(prepareFrames) <^> imageSource <*> size
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curry(prepareFrames) <^> imageSource <*> delegate.frame.size
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pauseAnimation()
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}
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// MARK: - Factories
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public class func animatedImageWithName(name: String) -> AnimatedImage? {
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let path = NSBundle.mainBundle().bundlePath.stringByAppendingPathComponent(name)
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return animatedImageWithData <^> NSData(contentsOfFile: path)
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}
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public class func animatedImageWithData(data: NSData) -> AnimatedImage {
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let size = UIImage.sizeForImageData(data) ?? CGSizeZero
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return self(data: data, size: size)
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}
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public class func animatedImageWithName(name: String, size: CGSize) -> AnimatedImage? {
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let path = NSBundle.mainBundle().bundlePath.stringByAppendingPathComponent(name)
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return curry(animatedImageWithData) <^> NSData(contentsOfFile: path) <*> size
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}
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public class func animatedImageWithData(data: NSData, size: CGSize) -> AnimatedImage {
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return self(data: data, size: size)
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}
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// MARK: - Display Link Helpers
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func attachDisplayLink() {
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displayLink.addToRunLoop(NSRunLoop.mainRunLoop(), forMode: NSRunLoopCommonModes)
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}
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// MARK: - Frame Methods
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// MARK: - Frames
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private func prepareFrames(imageSource: CGImageSourceRef, size: CGSize) {
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let numberOfFrames = Int(CGImageSourceGetCount(imageSource))
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animatedFrames.reserveCapacity(numberOfFrames)
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@ -96,7 +52,7 @@ public class AnimatedImage: UIImage {
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}
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func updateCurrentFrame() {
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if !isAnimated { return }
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if totalDuration == 0 { return }
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timeSinceLastFrameChange += min(maxTimeStep, displayLink.duration)
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var frameDuration = animatedFrames[currentFrameIndex].duration
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@ -104,7 +60,7 @@ public class AnimatedImage: UIImage {
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if timeSinceLastFrameChange >= frameDuration {
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timeSinceLastFrameChange -= frameDuration
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currentFrameIndex = ++currentFrameIndex % animatedFrames.count
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delegate?.layer.setNeedsDisplay()
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delegate.layer.setNeedsDisplay()
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}
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}
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@ -114,12 +70,12 @@ public class AnimatedImage: UIImage {
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}
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func resumeAnimation() {
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if isAnimated {
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if totalDuration > 0 {
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displayLink.paused = false
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}
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}
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func isAnimating() -> Bool {
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return !displayLink.paused
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func attachDisplayLink() {
|
||||
displayLink.addToRunLoop(NSRunLoop.mainRunLoop(), forMode: NSRunLoopCommonModes)
|
||||
}
|
||||
}
|
||||
|
|
@ -1,37 +0,0 @@
|
|||
import UIKit
|
||||
|
||||
public extension UIImageView {
|
||||
// MARK: - Computed Properties
|
||||
var animatableImage: AnimatedImage? {
|
||||
return image as? AnimatedImage
|
||||
}
|
||||
|
||||
var isAnimatingGIF: Bool {
|
||||
return animatableImage?.isAnimating() ?? isAnimating()
|
||||
}
|
||||
|
||||
var animatable: Bool {
|
||||
return animatableImage != .None
|
||||
}
|
||||
|
||||
// MARK: - Method Overrides
|
||||
override public func displayLayer(layer: CALayer!) {
|
||||
layer.contents = animatableImage?.currentFrame?.CGImage
|
||||
}
|
||||
|
||||
// MARK: - Setter Methods
|
||||
public func setAnimatedImage(image: AnimatedImage) {
|
||||
image.delegate = self
|
||||
self.image = image
|
||||
layer.setNeedsDisplay()
|
||||
}
|
||||
|
||||
// MARK: - Animation
|
||||
func startAnimatingGIF() {
|
||||
animatableImage?.resumeAnimation() ?? startAnimating()
|
||||
}
|
||||
|
||||
func stopAnimatingGIF() {
|
||||
animatableImage?.pauseAnimation() ?? stopAnimating()
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue