├── .gitignore ├── Demo └── CollectionViewLayout │ ├── CollectionViewLayout.xcodeproj │ ├── project.pbxproj │ └── project.xcworkspace │ │ └── contents.xcworkspacedata │ ├── CollectionViewLayout.xcworkspace │ └── contents.xcworkspacedata │ ├── CollectionViewLayout │ ├── 1.plist │ ├── AppDelegate.h │ ├── AppDelegate.m │ ├── Assets.xcassets │ │ └── AppIcon.appiconset │ │ │ └── Contents.json │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ ├── CollectionViewController.h │ ├── CollectionViewController.m │ ├── Info.plist │ ├── ViewController.h │ ├── ViewController.m │ ├── XYQCollectionLayout │ │ ├── CustomCircleLayout │ │ │ ├── CustomCircleLayout.h │ │ │ └── CustomCircleLayout.m │ │ ├── CustomLineLayout │ │ │ ├── CustomLineLayout.h │ │ │ └── CustomLineLayout.m │ │ ├── CustomStackLayout │ │ │ ├── CustomStackLayout.h │ │ │ └── CustomStackLayout.m │ │ ├── DefalutLayout │ │ │ ├── DefaultLayout.h │ │ │ └── DefaultLayout.m │ │ └── WaterFlowLayout │ │ │ ├── WaterFlowLayout.h │ │ │ └── WaterFlowLayout.m │ ├── main.m │ └── screenshots │ │ ├── circle.png │ │ ├── flow.png │ │ ├── line.png │ │ ├── stack.png │ │ └── water.png │ ├── CollectionViewLayoutTests │ ├── CollectionViewLayoutTests.m │ └── Info.plist │ ├── CollectionViewLayoutUITests │ ├── CollectionViewLayoutUITests.m │ └── Info.plist │ ├── Podfile │ ├── Podfile.lock │ └── Pods │ ├── Headers │ ├── Private │ │ └── SDWebImage │ │ │ ├── NSData+ImageContentType.h │ │ │ ├── SDImageCache.h │ │ │ ├── SDWebImageCompat.h │ │ │ ├── SDWebImageDecoder.h │ │ │ ├── SDWebImageDownloader.h │ │ │ ├── SDWebImageDownloaderOperation.h │ │ │ ├── SDWebImageManager.h │ │ │ ├── SDWebImageOperation.h │ │ │ ├── SDWebImagePrefetcher.h │ │ │ ├── UIButton+WebCache.h │ │ │ ├── UIImage+GIF.h │ │ │ ├── UIImage+MultiFormat.h │ │ │ ├── UIImageView+HighlightedWebCache.h │ │ │ ├── UIImageView+WebCache.h │ │ │ └── UIView+WebCacheOperation.h │ └── Public │ │ └── SDWebImage │ │ ├── NSData+ImageContentType.h │ │ ├── SDImageCache.h │ │ ├── SDWebImageCompat.h │ │ ├── SDWebImageDecoder.h │ │ ├── SDWebImageDownloader.h │ │ ├── SDWebImageDownloaderOperation.h │ │ ├── SDWebImageManager.h │ │ ├── SDWebImageOperation.h │ │ ├── SDWebImagePrefetcher.h │ │ ├── UIButton+WebCache.h │ │ ├── UIImage+GIF.h │ │ ├── UIImage+MultiFormat.h │ │ ├── UIImageView+HighlightedWebCache.h │ │ ├── UIImageView+WebCache.h │ │ └── UIView+WebCacheOperation.h │ ├── Manifest.lock │ ├── Pods.xcodeproj │ └── project.pbxproj │ ├── SDWebImage │ ├── LICENSE │ ├── README.md │ └── SDWebImage │ │ ├── NSData+ImageContentType.h │ │ ├── NSData+ImageContentType.m │ │ ├── SDImageCache.h │ │ ├── SDImageCache.m │ │ ├── SDWebImageCompat.h │ │ ├── SDWebImageCompat.m │ │ ├── SDWebImageDecoder.h │ │ ├── SDWebImageDecoder.m │ │ ├── SDWebImageDownloader.h │ │ ├── SDWebImageDownloader.m │ │ ├── SDWebImageDownloaderOperation.h │ │ ├── SDWebImageDownloaderOperation.m │ │ ├── SDWebImageManager.h │ │ ├── SDWebImageManager.m │ │ ├── SDWebImageOperation.h │ │ ├── SDWebImagePrefetcher.h │ │ ├── SDWebImagePrefetcher.m │ │ ├── UIButton+WebCache.h │ │ ├── UIButton+WebCache.m │ │ ├── UIImage+GIF.h │ │ ├── UIImage+GIF.m │ │ ├── UIImage+MultiFormat.h │ │ ├── UIImage+MultiFormat.m │ │ ├── UIImageView+HighlightedWebCache.h │ │ ├── UIImageView+HighlightedWebCache.m │ │ ├── UIImageView+WebCache.h │ │ ├── UIImageView+WebCache.m │ │ ├── UIView+WebCacheOperation.h │ │ └── UIView+WebCacheOperation.m │ └── Target Support Files │ ├── Pods-CollectionViewLayout │ ├── Pods-CollectionViewLayout-acknowledgements.markdown │ ├── Pods-CollectionViewLayout-acknowledgements.plist │ ├── Pods-CollectionViewLayout-dummy.m │ ├── Pods-CollectionViewLayout-frameworks.sh │ ├── Pods-CollectionViewLayout-resources.sh │ ├── Pods-CollectionViewLayout.debug.xcconfig │ └── Pods-CollectionViewLayout.release.xcconfig │ └── SDWebImage │ ├── SDWebImage-dummy.m │ ├── SDWebImage-prefix.pch │ └── SDWebImage.xcconfig ├── LICENSE ├── README.md ├── XYQCollectionLayout.podspec └── XYQCollectionLayout ├── CustomCircleLayout ├── CustomCircleLayout.h └── CustomCircleLayout.m ├── CustomLineLayout ├── CustomLineLayout.h └── CustomLineLayout.m ├── CustomStackLayout ├── CustomStackLayout.h └── CustomStackLayout.m ├── DefalutLayout ├── DefaultLayout.h └── DefaultLayout.m └── WaterFlowLayout ├── WaterFlowLayout.h └── WaterFlowLayout.m /.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 | *.xcuserstate 23 | 24 | ## Obj-C/Swift specific 25 | *.hmap 26 | *.ipa 27 | *.dSYM.zip 28 | *.dSYM 29 | 30 | # CocoaPods 31 | # 32 | # We recommend against adding the Pods directory to your .gitignore. However 33 | # you should judge for yourself, the pros and cons are mentioned at: 34 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 35 | # 36 | # Pods/ 37 | 38 | # Carthage 39 | # 40 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 41 | # Carthage/Checkouts 42 | 43 | Carthage/Build 44 | 45 | # fastlane 46 | # 47 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 48 | # screenshots whenever they are needed. 49 | # For more information about the recommended setup visit: 50 | # https://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md 51 | 52 | fastlane/report.xml 53 | fastlane/screenshots 54 | 55 | #Code Injection 56 | # 57 | # After new code Injection tools there's a generated folder /iOSInjectionProject 58 | # https://github.com/johnno1962/injectionforxcode 59 | 60 | iOSInjectionProject/ 61 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface AppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | 16 | @end 17 | 18 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | 11 | @interface AppDelegate () 12 | 13 | @end 14 | 15 | @implementation AppDelegate 16 | 17 | 18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 19 | // Override point for customization after application launch. 20 | return YES; 21 | } 22 | 23 | 24 | - (void)applicationWillResignActive:(UIApplication *)application { 25 | // 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. 26 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 27 | } 28 | 29 | 30 | - (void)applicationDidEnterBackground:(UIApplication *)application { 31 | // 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. 32 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 33 | } 34 | 35 | 36 | - (void)applicationWillEnterForeground:(UIApplication *)application { 37 | // 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. 38 | } 39 | 40 | 41 | - (void)applicationDidBecomeActive:(UIApplication *)application { 42 | // 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. 43 | } 44 | 45 | 46 | - (void)applicationWillTerminate:(UIApplication *)application { 47 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 48 | } 49 | 50 | 51 | @end 52 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/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 | "info" : { 45 | "version" : 1, 46 | "author" : "xcode" 47 | } 48 | } -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/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 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/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 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/CollectionViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // CollectionViewController.h 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CollectionViewController : UIViewController 12 | @property (strong,nonatomic)UICollectionViewLayout *layout; 13 | @end 14 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/CollectionViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // CollectionViewController.m 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CollectionViewController.h" 10 | #import "WaterFlowLayout.h" 11 | #import "CustomLineLayout.h" 12 | #import 13 | 14 | @interface CollectionViewController () 15 | @property (strong,nonatomic)UICollectionView *collectionView; 16 | @end 17 | 18 | @implementation CollectionViewController 19 | 20 | - (void)viewDidLoad{ 21 | [super viewDidLoad]; 22 | self.view.backgroundColor = [UIColor whiteColor]; 23 | 24 | //初始化collectionView 25 | CGRect frame = self.view.bounds; 26 | if ([self.layout isKindOfClass:[CustomLineLayout class]]) { 27 | frame = CGRectMake(0, 250, self.view.bounds.size.width, 200); 28 | } 29 | if ([self.layout isKindOfClass:[WaterFlowLayout class]]) { 30 | WaterFlowLayout *waterLayout = (WaterFlowLayout *)self.layout; 31 | waterLayout.delegate = self; 32 | } 33 | _collectionView = [[UICollectionView alloc] initWithFrame:frame collectionViewLayout:self.layout]; 34 | 35 | //设置数据源 36 | _collectionView.dataSource = self; 37 | _collectionView.delegate = self; 38 | 39 | //注册cell 40 | [_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"reuseCell"]; 41 | 42 | //添加到父视图中 43 | [self.view addSubview:_collectionView]; 44 | } 45 | 46 | #pragma mark - UICollectionViewDataSource 47 | -(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{ 48 | return 20; 49 | } 50 | -(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{ 51 | 52 | UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"reuseCell" forIndexPath:indexPath]; 53 | 54 | //瀑布流内容 55 | if ([self.layout isKindOfClass:[WaterFlowLayout class]]) { 56 | UIImageView *imageView = [[UIImageView alloc] initWithFrame:cell.bounds]; 57 | [imageView sd_setImageWithURL:[NSURL URLWithString:[self waterFlowImages][indexPath.row]]]; 58 | [cell.contentView addSubview:imageView]; 59 | } 60 | else{ 61 | cell.backgroundColor = [UIColor colorWithRed:arc4random_uniform(255)/255.0 green:arc4random_uniform(255)/255.0 blue:arc4random_uniform(255)/255.0 alpha:1.0]; 62 | } 63 | return cell; 64 | } 65 | -(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{ 66 | NSLog(@"点击了第%ld个item",indexPath.row); 67 | } 68 | 69 | #pragma mark - WaterFlowLayoutDelegate 70 | -(CGFloat)waterFlowLayout:(WaterFlowLayout *)WaterFlowLayout heightForWidth:(CGFloat)width andIndexPath:(NSIndexPath *)indexPath{ 71 | return 100/[[self rateForWidthDividedHeight][indexPath.row]floatValue]; 72 | } 73 | 74 | 75 | //瀑布流图片 76 | - (NSArray *)waterFlowImages{ 77 | NSString *path = [[NSBundle mainBundle] pathForResource:@"1" ofType:@".plist"]; 78 | NSArray *images = [NSArray arrayWithContentsOfFile:path]; 79 | __block NSMutableArray *imageURLs = [NSMutableArray array]; 80 | [images enumerateObjectsUsingBlock:^(NSDictionary *imageDic, NSUInteger idx, BOOL * _Nonnull stop) { 81 | NSString *urlStr = imageDic[@"img"]; 82 | [imageURLs addObject:urlStr]; 83 | }]; 84 | return imageURLs; 85 | } 86 | 87 | //瀑布流图片真实宽高比 88 | - (NSArray *)rateForWidthDividedHeight{ 89 | 90 | NSString *path = [[NSBundle mainBundle] pathForResource:@"1" ofType:@".plist"]; 91 | NSArray *images = [NSArray arrayWithContentsOfFile:path]; 92 | __block NSMutableArray *rates = [NSMutableArray array]; 93 | [images enumerateObjectsUsingBlock:^(NSDictionary *imageDic, NSUInteger idx, BOOL * _Nonnull stop) { 94 | CGFloat w = [imageDic[@"w"] floatValue]; 95 | CGFloat h = [imageDic[@"h"] floatValue]; 96 | [rates addObject:@(w/h)]; 97 | }]; 98 | return rates; 99 | } 100 | 101 | @end 102 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | NSAppTransportSecurity 6 | 7 | NSAllowsArbitraryLoads 8 | 9 | 10 | CFBundleDevelopmentRegion 11 | en 12 | CFBundleExecutable 13 | $(EXECUTABLE_NAME) 14 | CFBundleIdentifier 15 | $(PRODUCT_BUNDLE_IDENTIFIER) 16 | CFBundleInfoDictionaryVersion 17 | 6.0 18 | CFBundleName 19 | $(PRODUCT_NAME) 20 | CFBundlePackageType 21 | APPL 22 | CFBundleShortVersionString 23 | 1.0 24 | CFBundleVersion 25 | 1 26 | LSRequiresIPhoneOS 27 | 28 | UILaunchStoryboardName 29 | LaunchScreen 30 | UIMainStoryboardFile 31 | Main 32 | UIRequiredDeviceCapabilities 33 | 34 | armv7 35 | 36 | UISupportedInterfaceOrientations 37 | 38 | UIInterfaceOrientationPortrait 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | 43 | 44 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController 12 | 13 | 14 | @end 15 | 16 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "ViewController.h" 10 | #import "CollectionViewController.h" 11 | #import "DefaultLayout.h" 12 | #import "CustomCircleLayout.h" 13 | #import "CustomLineLayout.h" 14 | #import "CustomStackLayout.h" 15 | #import "WaterFlowLayout.h" 16 | 17 | @interface ViewController () 18 | @property (strong,nonatomic)NSArray *titles; 19 | @property (strong,nonatomic)UITableView *tableView; 20 | @end 21 | 22 | @implementation ViewController 23 | 24 | - (void)viewDidLoad { 25 | [super viewDidLoad]; 26 | self.title = @"CollectionView布局"; 27 | self.titles = @[@"默认布局",@"圆式布局",@"线式布局",@"堆叠式布局",@"瀑布流布局"]; 28 | self.tableView = [[UITableView alloc]initWithFrame:self.view.bounds]; 29 | self.tableView.dataSource = self; 30 | self.tableView.delegate = self; 31 | [self.view addSubview:self.tableView]; 32 | } 33 | 34 | 35 | #pragma mark - UITableViewDataSource 36 | -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ 37 | return self.titles.count; 38 | } 39 | -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ 40 | 41 | static NSString *reuserIdentifier = @"Cell"; 42 | UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuserIdentifier]; 43 | if (!cell) { 44 | cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuserIdentifier]; 45 | } 46 | cell.textLabel.text = self.titles[indexPath.row]; 47 | return cell; 48 | } 49 | 50 | #pragma mark - UITableViewDelegate 51 | -(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ 52 | 53 | CollectionViewController *collectionVC = [[CollectionViewController alloc] init]; 54 | collectionVC.layout = [self setupLayout:indexPath.row]; 55 | [self.navigationController pushViewController:collectionVC animated:YES]; 56 | } 57 | 58 | 59 | //设置布局 60 | - (UICollectionViewLayout *)setupLayout:(NSInteger)index{ 61 | 62 | switch (index) { 63 | case 0: 64 | return [[DefaultLayout alloc] init]; //默认布局 65 | break; 66 | case 1: 67 | return [[CustomCircleLayout alloc] init]; //圆式布局 68 | break; 69 | case 2: 70 | return [[CustomLineLayout alloc] init]; //线式布局 71 | break; 72 | case 3: 73 | return [[CustomStackLayout alloc] init]; //堆叠式布局 74 | break; 75 | case 4: 76 | return [[WaterFlowLayout alloc] init]; //瀑布流布局 77 | break; 78 | } 79 | return nil; 80 | } 81 | 82 | 83 | @end 84 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/CustomCircleLayout/CustomCircleLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // CustomCircleLayout.h 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by mac on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CustomCircleLayout : UICollectionViewLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/CustomCircleLayout/CustomCircleLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // CustomCircleLayout.m 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by ma c on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CustomCircleLayout.h" 10 | 11 | @implementation CustomCircleLayout 12 | 13 | 14 | //重写shouldInvalidateLayoutForBoundsChange,每次重写布局内部都会自动调用 15 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 16 | { 17 | return YES; 18 | } 19 | 20 | //重写layoutAttributesForItemAtIndexPath,返回每一个item的布局属性 21 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 22 | { 23 | //创建布局实例 24 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 25 | 26 | //设置item的大小 27 | attrs.size = CGSizeMake(60, 60); 28 | 29 | //设置圆的半径 30 | CGFloat circleRadius = 70; 31 | 32 | //设置圆的中心点 33 | CGPoint circleCenter = CGPointMake(self.collectionView.frame.size.width*0.5, self.collectionView.frame.size.height *0.5); 34 | 35 | //计算每一个item之间的角度 36 | CGFloat angleDelta = M_PI *2 /[self.collectionView numberOfItemsInSection:indexPath.section]; 37 | 38 | //计算当前item的角度 39 | CGFloat angle = indexPath.item * angleDelta; 40 | 41 | //计算当前item的中心 42 | CGFloat x = circleCenter.x + cos(angle)*circleRadius; 43 | CGFloat y = circleCenter.y - sin(angle)*circleRadius; 44 | 45 | //定位当前item的位置 46 | attrs.center = CGPointMake(x, y); 47 | 48 | //设置item的顺序,越后面的显示在前面 49 | attrs.zIndex = indexPath.item; 50 | 51 | return attrs; 52 | } 53 | 54 | 55 | //重写layoutAttributesForElementsInRect,设置所有cell的布局属性（包括item、header、footer） 56 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 57 | { 58 | NSMutableArray *arrayM = [NSMutableArray array]; 59 | NSInteger count = [self.collectionView numberOfItemsInSection:0]; 60 | 61 | //给每一个item创建并设置布局属性 62 | for (int i = 0; i < count; i++) 63 | { 64 | //创建item的布局属性 65 | UICollectionViewLayoutAttributes *attrs = [self layoutAttributesForItemAtIndexPath:[NSIndexPath indexPathForItem:i inSection:0]]; 66 | 67 | [arrayM addObject:attrs]; 68 | } 69 | return arrayM; 70 | } 71 | 72 | @end 73 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/CustomLineLayout/CustomLineLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // CustomLineLayout.h 3 | // 集合视图自定义布局 4 | // 5 | // Created by ma c on 15/11/19. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CustomLineLayout : UICollectionViewFlowLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/CustomLineLayout/CustomLineLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // CustomLineLayout.m 3 | // 集合视图自定义布局 4 | // 5 | // Created by ma c on 15/11/19. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CustomLineLayout.h" 10 | 11 | //设置item的固定的宽和高 12 | static const CGFloat itemWH = 100; 13 | 14 | //设置缩放时的有效距离 15 | static const CGFloat activeDistance = 150; 16 | 17 | //设置缩放因数,值越大,缩放效果越明显 18 | static const CGFloat scaleFactor = 0.6; 19 | 20 | @implementation CustomLineLayout 21 | 22 | 23 | //UICollectionViewLayoutAttributes:很重要,布局属性设置 24 | //每一个cell(item)都有自己的UICollectionViewLayoutAttributes 25 | //每一个indexPath都有自己的UICollectionViewLayoutAttributes 26 | 27 | -(instancetype)init{ 28 | if (self = [super init]){ 29 | 30 | } 31 | return self; 32 | } 33 | 34 | //每一次重新布局前,都会准备布局（苹果官方推荐使用该方法进行一些初始化） 35 | -(void)prepareLayout 36 | { 37 | [super prepareLayout]; 38 | 39 | //初始化,设置默认的item属性 40 | self.itemSize = CGSizeMake(itemWH, itemWH); 41 | self.scrollDirection = UICollectionViewScrollDirectionHorizontal; 42 | self.minimumLineSpacing = itemWH * scaleFactor; 43 | 44 | //将第一个和最后一个item始终显示在中间,即分别将它们设置到组头和组尾的距离 45 | CGFloat width = self.collectionView.frame.size.width; 46 | CGFloat height = self.collectionView.frame.size.height; 47 | CGFloat inset = (width - itemWH) / 2; 48 | self.sectionInset = UIEdgeInsetsMake(0, inset, (height-itemWH)/2, inset); 49 | } 50 | 51 | //是否要重新刷新布局(只要显示的item边界发生改变就重新布局) 52 | //只要每一次重新布局内部就会调用下面的layoutAttributesForElementsInRect:获取所有cell(item)的属性 53 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 54 | { 55 | return YES; 56 | } 57 | 58 | 59 | //用来设置colectionView停止滚动时的那一刻位置,内部会自动调用 60 | #pragma targetContentOffset : 原本colectionView停止滚动时的那一刻位置 61 | #pragma velocity : 滚动的速率,根据正负可以判断滚动方向是向左还是向右 62 | 63 | -(CGPoint)targetContentOffsetForProposedContentOffset:(CGPoint)proposedContentOffset withScrollingVelocity:(CGPoint)velocity 64 | { 65 | 66 | //1.计算colectionView最终停留的位置 67 | CGRect lastRect; 68 | lastRect.origin = proposedContentOffset; 69 | lastRect.size = self.collectionView.frame.size; 70 | 71 | //2.取出这个范围内的所有item的属性 72 | NSArray *array = [self layoutAttributesForElementsInRect:lastRect]; 73 | 74 | 75 | //3.计算最终屏幕的中心x 76 | CGFloat centerX = proposedContentOffset.x+ self.collectionView.frame.size.width/2; 77 | 78 | 79 | //4.遍历所有的属性,通过计算item与最终屏幕中心的最小距离,然后将item移动屏幕的中心位置 80 | CGFloat adjustOffsetX = MAXFLOAT; 81 | for (UICollectionViewLayoutAttributes *attris in array) 82 | { 83 | if (ABS(attris.center.x - centerX) < ABS(adjustOffsetX)) { 84 | 85 | adjustOffsetX = attris.center.x - centerX; 86 | } 87 | } 88 | 89 | //5.返回要移动到中心的item的位置 90 | return CGPointMake(proposedContentOffset.x + adjustOffsetX , proposedContentOffset.y); 91 | } 92 | 93 | //返回需要重新布局的所有item属性 94 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 95 | { 96 | //0.计算可见的矩形框属性 97 | CGRect visiableRect; 98 | visiableRect.size = self.collectionView.frame.size; 99 | visiableRect.origin = self.collectionView.contentOffset; 100 | 101 | 102 | //1.取出默认的cell的UICollectionViewLayoutAttributes 103 | NSArray *array = [super layoutAttributesForElementsInRect:rect]; 104 | 105 | 106 | //计算屏幕最中心的x(滚出去的所有的item的偏移 + collectionView宽度的一半) 107 | CGFloat centerX = self.collectionView.contentOffset.x + self.collectionView.frame.size.width/2; 108 | 109 | 110 | //2.遍历所有的布局属性 111 | for(UICollectionViewLayoutAttributes *attrs in array) 112 | { 113 | //如果遍历的item和可见的矩形框的frame不相交,即不e是可见的,就直接跳过,只对可见的item进行放缩 114 | if (!CGRectIntersectsRect(visiableRect, attrs.frame)) continue; 115 | 116 | //每一个item的中心x 117 | CGFloat itemCenterX = attrs.center.x; 118 | 119 | 120 | //差距越大，缩放比例越小 121 | //计算每一个item的中心x和屏幕最中心x的绝对值距离，然后可以计算出缩放比例,即 122 | 123 | // <1>计算间距/屏幕一半时的比例,得出的数一定<1 124 | //CGFloat ratio = ABS(itemCenterX - centerX) / (self.collectionView.frame.size.width/2); 125 | //CGFloat ratio = ABS(itemCenterX - centerX) / 150; 126 | // <2>实现放大 127 | //CGFloat scale = 1 + (1 - ratio); 128 | //attrs.transform3D = CATransform3DMakeScale(scale, scale, 1.0); 129 | //attrs.transform = CGAffineTransformMakeScale(scale, scale); 130 | 131 | 132 | //当item的中心x距离屏幕的中心x距离在有效距离150以内时,item才开始放大 133 | if (ABS(itemCenterX - centerX) <= activeDistance) 134 | { 135 | //CGFloat ratio = ABS(itemCenterX - centerX) / (self.collectionView.frame.size.width/2); 136 | CGFloat ratio = ABS(itemCenterX - centerX) / activeDistance; 137 | 138 | // <2>实现放大 139 | CGFloat scale = 1 + scaleFactor*(1 - ratio); 140 | attrs.transform3D = CATransform3DMakeScale(scale, scale, 1.0); 141 | //attrs.transform = CGAffineTransformMakeScale(scale, scale); 142 | } 143 | else 144 | { 145 | attrs.transform = CGAffineTransformMakeScale(1, 1); 146 | } 147 | } 148 | return array; 149 | } 150 | @end 151 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/CustomStackLayout/CustomStackLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // CustomStackLayout.h 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by ma c on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CustomStackLayout : UICollectionViewLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/CustomStackLayout/CustomStackLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // CustomStackLayout.m 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by ma c on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CustomStackLayout.h" 10 | 11 | #define RANDOM_0_1 arc4random_uniform(100)/100.0 12 | 13 | /* 14 | 由于CustomStackLayout是直接继承自UICollectionViewLayout的,父类没有帮它完成任何的布局，因此， 15 | 需要用户自己完全重新对每一个item进行布局，也即设置它们的布局属性UICollectionViewLayoutAttributes 16 | */ 17 | 18 | @implementation CustomStackLayout 19 | 20 | //重写shouldInvalidateLayoutForBoundsChange,每次重写布局内部都会自动调用 21 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 22 | { 23 | 24 | return YES; 25 | } 26 | 27 | //重写collectionViewContentSize,可以让collectionView滚动 28 | -(CGSize)collectionViewContentSize 29 | { 30 | return CGSizeMake(400, 400); 31 | } 32 | 33 | //重写layoutAttributesForItemAtIndexPath,返回每一个item的布局属性 34 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 35 | { 36 | //创建布局实例 37 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 38 | 39 | //设置布局属性 40 | attrs.size = CGSizeMake(100, 100); 41 | attrs.center = CGPointMake(self.collectionView.frame.size.width*0.5, self.collectionView.frame.size.height*0.5); 42 | 43 | //设置旋转方向 44 | //int direction = (i % 2 ==0)? 1: -1; 45 | 46 | NSArray *directions = @[@0.0,@1.0,@(0.05),@(-1.0),@(-0.05)]; 47 | 48 | //只显示5张 49 | if (indexPath.item >= 5) 50 | { 51 | attrs.hidden = YES; 52 | } 53 | else 54 | { 55 | //开始旋转 56 | attrs.transform = CGAffineTransformMakeRotation([directions[indexPath.item]floatValue]); 57 | 58 | //zIndex值越大,图片越在上面 59 | attrs.zIndex = [self.collectionView numberOfItemsInSection:indexPath.section] - indexPath.item; 60 | } 61 | 62 | return attrs; 63 | } 64 | 65 | 66 | //重写layoutAttributesForElementsInRect,设置所有cell的布局属性（包括item、header、footer） 67 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 68 | { 69 | NSMutableArray *arrayM = [NSMutableArray array]; 70 | NSInteger count = [self.collectionView numberOfItemsInSection:0]; 71 | 72 | //给每一个item创建并设置布局属性 73 | for (int i = 0; i < count; i++) 74 | { 75 | //创建item的布局属性 76 | UICollectionViewLayoutAttributes *attrs = [self layoutAttributesForItemAtIndexPath:[NSIndexPath indexPathForItem:i inSection:0]]; 77 | 78 | [arrayM addObject:attrs]; 79 | } 80 | return arrayM; 81 | } 82 | 83 | @end 84 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/DefalutLayout/DefaultLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // DefaultLayout.h 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface DefaultLayout : UICollectionViewFlowLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/DefalutLayout/DefaultLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // DefaultLayout.m 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "DefaultLayout.h" 10 | 11 | @implementation DefaultLayout 12 | 13 | //每一次重新布局前,都会准备布局（苹果官方推荐使用该方法进行一些初始化） 14 | -(void)prepareLayout 15 | { 16 | [super prepareLayout]; 17 | 18 | self.itemSize = CGSizeMake(100, 100); 19 | self.sectionInset = UIEdgeInsetsMake(10, 10, 10, 10); 20 | 21 | } 22 | 23 | @end 24 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/WaterFlowLayout/WaterFlowLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // ShopWaterLayout.h 3 | // 集合视图之瀑布流 4 | // 5 | // Created by ma c on 15/11/21. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | /* 12 | 为了体现封装性的特点,我们可以把一些数据设置为公共的，既可以提高扩展性和通用性， 13 | 也便于外界按照自己的需求做必要的调整。 14 | */ 15 | 16 | @protocol WaterFlowLayoutDelegate; 17 | 18 | 19 | @class WaterFlowLayout; 20 | @interface WaterFlowLayout : UICollectionViewLayout 21 | @property (assign,nonatomic)CGFloat columnMargin;//每一列item之间的间距 22 | @property (assign,nonatomic)CGFloat rowMargin; //每一行item之间的间距 23 | @property (assign,nonatomic)UIEdgeInsets sectionInset;//设置于collectionView边缘的间距 24 | @property (assign,nonatomic)NSInteger columnCount;//设置每一行排列的个数 25 | 26 | 27 | @property (weak,nonatomic)id delegate; //设置代理 28 | @end 29 | 30 | 31 | @protocol WaterFlowLayoutDelegate 32 | -(CGFloat)waterFlowLayout:(WaterFlowLayout *) WaterFlowLayout heightForWidth:(CGFloat)width andIndexPath:(NSIndexPath *)indexPath; 33 | @end 34 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/XYQCollectionLayout/WaterFlowLayout/WaterFlowLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // ShopWaterLayout.m 3 | // 集合视图之瀑布流 4 | // 5 | // Created by ma c on 15/11/21. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "WaterFlowLayout.h" 10 | 11 | //每一列item之间的间距 12 | //static const CGFloat columnMargin = 10; 13 | //每一行item之间的间距 14 | //static const CGFloat rowMargin = 10; 15 | 16 | @interface WaterFlowLayout() 17 | /** 这个字典用来存储每一列item的高度 */ 18 | @property (strong,nonatomic)NSMutableDictionary *maxYDic; 19 | /** 存放每一个item的布局属性 */ 20 | @property (strong,nonatomic)NSMutableArray *attrsArray; 21 | @end 22 | 23 | @implementation WaterFlowLayout 24 | 25 | /** 懒加载 */ 26 | -(NSMutableDictionary *)maxYDic 27 | { 28 | if (!_maxYDic) 29 | { 30 | _maxYDic = [NSMutableDictionary dictionary]; 31 | } 32 | return _maxYDic; 33 | } 34 | 35 | /** 懒加载 */ 36 | -(NSMutableArray *)attrsArray 37 | { 38 | if (!_attrsArray) 39 | { 40 | _attrsArray = [NSMutableArray array]; 41 | } 42 | return _attrsArray; 43 | } 44 | 45 | //初始化 46 | -(instancetype)init 47 | { 48 | if (self = [super init]){ 49 | self.columnMargin = 10; 50 | self.rowMargin = 10; 51 | self.sectionInset = UIEdgeInsetsMake(10, 10, 10, 10); 52 | self.columnCount = 3; 53 | } 54 | return self; 55 | } 56 | 57 | //每一次布局前的准备工作 58 | -(void)prepareLayout 59 | { 60 | [super prepareLayout]; 61 | 62 | //清空最大的y值 63 | for (int i =0; i < self.columnCount; i++) 64 | { 65 | NSString *column = [NSString stringWithFormat:@"%d",i]; 66 | self.maxYDic[column] = @(self.sectionInset.top); 67 | } 68 | 69 | //计算所有item的属性 70 | [self.attrsArray removeAllObjects]; 71 | NSInteger count = [self.collectionView numberOfItemsInSection:0]; 72 | for (int i=0; i [self.maxYDic[maxColumn] floatValue]) 90 | { 91 | maxColumn = column; 92 | } 93 | }]; 94 | return CGSizeMake(0, [self.maxYDic[maxColumn]floatValue]+self.sectionInset.bottom); 95 | } 96 | 97 | //允许每一次重新布局 98 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 99 | { 100 | return YES; 101 | } 102 | 103 | //布局每一个属性 104 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 105 | { 106 | //假设最短的那一列为第0列 107 | __block NSString *minColumn = @"0"; 108 | 109 | //遍历字典,找出最短的那一列 110 | [self.maxYDic enumerateKeysAndObjectsUsingBlock:^(NSString *column, NSNumber *maxY, BOOL *stop) { 111 | 112 | if ([maxY floatValue] < [self.maxYDic[minColumn] floatValue]) 113 | { 114 | minColumn = column; 115 | } 116 | }]; 117 | 118 | //计算每一个item的宽度和高度 119 | CGFloat width = (self.collectionView.frame.size.width - self.columnMargin*(self.columnCount - 1) - self.sectionInset.left - self.sectionInset.right) / self.columnCount; 120 | 121 | CGFloat height = [self.delegate waterFlowLayout:self heightForWidth:width andIndexPath:indexPath] ; 122 | 123 | 124 | //计算每一个item的位置 125 | CGFloat x = self.sectionInset.left + (width + self.columnMargin) * [minColumn floatValue]; 126 | CGFloat y = [self.maxYDic[minColumn] floatValue] + self.rowMargin; 127 | 128 | 129 | //更新这一列的y值 130 | self.maxYDic[minColumn] = @(y + height); 131 | 132 | 133 | //创建布局属性 134 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 135 | 136 | //设置item的frame 137 | attrs.frame = CGRectMake(x, y, width, height); 138 | 139 | return attrs; 140 | } 141 | 142 | //布局所有item的属性,包括header、footer 143 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 144 | { 145 | return [self.attrsArray copy]; 146 | } 147 | @end 148 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "AppDelegate.h" 11 | 12 | int main(int argc, char * argv[]) { 13 | @autoreleasepool { 14 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/screenshots/circle.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiayuanquan/XYQCollectionLayout/140c5477069d71213be7b87ee50b96c85bdb3767/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/circle.png -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/screenshots/flow.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiayuanquan/XYQCollectionLayout/140c5477069d71213be7b87ee50b96c85bdb3767/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/flow.png -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/screenshots/line.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiayuanquan/XYQCollectionLayout/140c5477069d71213be7b87ee50b96c85bdb3767/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/line.png -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/screenshots/stack.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiayuanquan/XYQCollectionLayout/140c5477069d71213be7b87ee50b96c85bdb3767/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/stack.png -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayout/screenshots/water.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xiayuanquan/XYQCollectionLayout/140c5477069d71213be7b87ee50b96c85bdb3767/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/water.png -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayoutTests/CollectionViewLayoutTests.m: -------------------------------------------------------------------------------- 1 | // 2 | // CollectionViewLayoutTests.m 3 | // CollectionViewLayoutTests 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CollectionViewLayoutTests : XCTestCase 12 | 13 | @end 14 | 15 | @implementation CollectionViewLayoutTests 16 | 17 | - (void)setUp { 18 | [super setUp]; 19 | // Put setup code here. This method is called before the invocation of each test method in the class. 20 | } 21 | 22 | - (void)tearDown { 23 | // Put teardown code here. This method is called after the invocation of each test method in the class. 24 | [super tearDown]; 25 | } 26 | 27 | - (void)testExample { 28 | // This is an example of a functional test case. 29 | // Use XCTAssert and related functions to verify your tests produce the correct results. 30 | } 31 | 32 | - (void)testPerformanceExample { 33 | // This is an example of a performance test case. 34 | [self measureBlock:^{ 35 | // Put the code you want to measure the time of here. 36 | }]; 37 | } 38 | 39 | @end 40 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayoutTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayoutUITests/CollectionViewLayoutUITests.m: -------------------------------------------------------------------------------- 1 | // 2 | // CollectionViewLayoutUITests.m 3 | // CollectionViewLayoutUITests 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CollectionViewLayoutUITests : XCTestCase 12 | 13 | @end 14 | 15 | @implementation CollectionViewLayoutUITests 16 | 17 | - (void)setUp { 18 | [super setUp]; 19 | 20 | // Put setup code here. This method is called before the invocation of each test method in the class. 21 | 22 | // In UI tests it is usually best to stop immediately when a failure occurs. 23 | self.continueAfterFailure = NO; 24 | // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method. 25 | [[[XCUIApplication alloc] init] launch]; 26 | 27 | // 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. 28 | } 29 | 30 | - (void)tearDown { 31 | // Put teardown code here. This method is called after the invocation of each test method in the class. 32 | [super tearDown]; 33 | } 34 | 35 | - (void)testExample { 36 | // Use recording to get started writing UI tests. 37 | // Use XCTAssert and related functions to verify your tests produce the correct results. 38 | } 39 | 40 | @end 41 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/CollectionViewLayoutUITests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Podfile: -------------------------------------------------------------------------------- 1 | platform :ios, '8.0' 2 | 3 | target 'CollectionViewLayout' do 4 | 5 | pod 'SDWebImage', '~> 3.8.2' 6 | 7 | end -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Podfile.lock: -------------------------------------------------------------------------------- 1 | PODS: 2 | - SDWebImage (3.8.2): 3 | - SDWebImage/Core (= 3.8.2) 4 | - SDWebImage/Core (3.8.2) 5 | 6 | DEPENDENCIES: 7 | - SDWebImage (~> 3.8.2) 8 | 9 | SPEC CHECKSUMS: 10 | SDWebImage: 098e97e6176540799c27e804c96653ee0833d13c 11 | 12 | PODFILE CHECKSUM: 84a6747def976f15be29abcd64efe28ceb741637 13 | 14 | COCOAPODS: 1.1.1 15 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/NSData+ImageContentType.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/NSData+ImageContentType.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDImageCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDImageCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImageCompat.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageCompat.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImageDecoder.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageDecoder.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImageDownloader.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageDownloader.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImageDownloaderOperation.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImageManager.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageManager.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImageOperation.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageOperation.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/SDWebImagePrefetcher.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImagePrefetcher.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/UIButton+WebCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIButton+WebCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/UIImage+GIF.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImage+GIF.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/UIImage+MultiFormat.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImage+MultiFormat.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/UIImageView+HighlightedWebCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImageView+HighlightedWebCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/UIImageView+WebCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImageView+WebCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Private/SDWebImage/UIView+WebCacheOperation.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIView+WebCacheOperation.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/NSData+ImageContentType.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/NSData+ImageContentType.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDImageCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDImageCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImageCompat.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageCompat.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImageDecoder.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageDecoder.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImageDownloader.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageDownloader.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImageDownloaderOperation.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImageManager.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageManager.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImageOperation.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImageOperation.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/SDWebImagePrefetcher.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/SDWebImagePrefetcher.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/UIButton+WebCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIButton+WebCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/UIImage+GIF.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImage+GIF.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/UIImage+MultiFormat.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImage+MultiFormat.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/UIImageView+HighlightedWebCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImageView+HighlightedWebCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/UIImageView+WebCache.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIImageView+WebCache.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Headers/Public/SDWebImage/UIView+WebCacheOperation.h: -------------------------------------------------------------------------------- 1 | ../../../SDWebImage/SDWebImage/UIView+WebCacheOperation.h -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Manifest.lock: -------------------------------------------------------------------------------- 1 | PODS: 2 | - SDWebImage (3.8.2): 3 | - SDWebImage/Core (= 3.8.2) 4 | - SDWebImage/Core (3.8.2) 5 | 6 | DEPENDENCIES: 7 | - SDWebImage (~> 3.8.2) 8 | 9 | SPEC CHECKSUMS: 10 | SDWebImage: 098e97e6176540799c27e804c96653ee0833d13c 11 | 12 | PODFILE CHECKSUM: 84a6747def976f15be29abcd64efe28ceb741637 13 | 14 | COCOAPODS: 1.1.1 15 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/LICENSE: -------------------------------------------------------------------------------- 1 | Copyright (c) 2016 Olivier Poitrey rs@dailymotion.com 2 | 3 | Permission is hereby granted, free of charge, to any person obtaining a copy 4 | of this software and associated documentation files (the "Software"), to deal 5 | in the Software without restriction, including without limitation the rights 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 | copies of the Software, and to permit persons to whom the Software is furnished 8 | to do so, subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice shall be included in all 11 | copies or substantial portions of the Software. 12 | 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 | THE SOFTWARE. 20 | 21 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/NSData+ImageContentType.h: -------------------------------------------------------------------------------- 1 | // 2 | // Created by Fabrice Aneche on 06/01/14. 3 | // Copyright (c) 2014 Dailymotion. All rights reserved. 4 | // 5 | 6 | #import 7 | 8 | @interface NSData (ImageContentType) 9 | 10 | /** 11 | * Compute the content type for an image data 12 | * 13 | * @param data the input data 14 | * 15 | * @return the content type as string (i.e. image/jpeg, image/gif) 16 | */ 17 | + (NSString *)sd_contentTypeForImageData:(NSData *)data; 18 | 19 | @end 20 | 21 | 22 | @interface NSData (ImageContentTypeDeprecated) 23 | 24 | + (NSString *)contentTypeForImageData:(NSData *)data __deprecated_msg("Use `sd_contentTypeForImageData:`"); 25 | 26 | @end 27 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/NSData+ImageContentType.m: -------------------------------------------------------------------------------- 1 | // 2 | // Created by Fabrice Aneche on 06/01/14. 3 | // Copyright (c) 2014 Dailymotion. All rights reserved. 4 | // 5 | 6 | #import "NSData+ImageContentType.h" 7 | 8 | 9 | @implementation NSData (ImageContentType) 10 | 11 | + (NSString *)sd_contentTypeForImageData:(NSData *)data { 12 | uint8_t c; 13 | [data getBytes:&c length:1]; 14 | switch (c) { 15 | case 0xFF: 16 | return @"image/jpeg"; 17 | case 0x89: 18 | return @"image/png"; 19 | case 0x47: 20 | return @"image/gif"; 21 | case 0x49: 22 | case 0x4D: 23 | return @"image/tiff"; 24 | case 0x52: 25 | // R as RIFF for WEBP 26 | if ([data length] < 12) { 27 | return nil; 28 | } 29 | 30 | NSString *testString = [[NSString alloc] initWithData:[data subdataWithRange:NSMakeRange(0, 12)] encoding:NSASCIIStringEncoding]; 31 | if ([testString hasPrefix:@"RIFF"] && [testString hasSuffix:@"WEBP"]) { 32 | return @"image/webp"; 33 | } 34 | 35 | return nil; 36 | } 37 | return nil; 38 | } 39 | 40 | @end 41 | 42 | 43 | @implementation NSData (ImageContentTypeDeprecated) 44 | 45 | + (NSString *)contentTypeForImageData:(NSData *)data { 46 | return [self sd_contentTypeForImageData:data]; 47 | } 48 | 49 | @end 50 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDImageCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageCompat.h" 11 | 12 | typedef NS_ENUM(NSInteger, SDImageCacheType) { 13 | /** 14 | * The image wasn't available the SDWebImage caches, but was downloaded from the web. 15 | */ 16 | SDImageCacheTypeNone, 17 | /** 18 | * The image was obtained from the disk cache. 19 | */ 20 | SDImageCacheTypeDisk, 21 | /** 22 | * The image was obtained from the memory cache. 23 | */ 24 | SDImageCacheTypeMemory 25 | }; 26 | 27 | typedef void(^SDWebImageQueryCompletedBlock)(UIImage *image, SDImageCacheType cacheType); 28 | 29 | typedef void(^SDWebImageCheckCacheCompletionBlock)(BOOL isInCache); 30 | 31 | typedef void(^SDWebImageCalculateSizeBlock)(NSUInteger fileCount, NSUInteger totalSize); 32 | 33 | /** 34 | * SDImageCache maintains a memory cache and an optional disk cache. Disk cache write operations are performed 35 | * asynchronous so it doesn’t add unnecessary latency to the UI. 36 | */ 37 | @interface SDImageCache : NSObject 38 | 39 | /** 40 | * Decompressing images that are downloaded and cached can improve performance but can consume lot of memory. 41 | * Defaults to YES. Set this to NO if you are experiencing a crash due to excessive memory consumption. 42 | */ 43 | @property (assign, nonatomic) BOOL shouldDecompressImages; 44 | 45 | /** 46 | * disable iCloud backup [defaults to YES] 47 | */ 48 | @property (assign, nonatomic) BOOL shouldDisableiCloud; 49 | 50 | /** 51 | * use memory cache [defaults to YES] 52 | */ 53 | @property (assign, nonatomic) BOOL shouldCacheImagesInMemory; 54 | 55 | /** 56 | * The maximum "total cost" of the in-memory image cache. The cost function is the number of pixels held in memory. 57 | */ 58 | @property (assign, nonatomic) NSUInteger maxMemoryCost; 59 | 60 | /** 61 | * The maximum number of objects the cache should hold. 62 | */ 63 | @property (assign, nonatomic) NSUInteger maxMemoryCountLimit; 64 | 65 | /** 66 | * The maximum length of time to keep an image in the cache, in seconds 67 | */ 68 | @property (assign, nonatomic) NSInteger maxCacheAge; 69 | 70 | /** 71 | * The maximum size of the cache, in bytes. 72 | */ 73 | @property (assign, nonatomic) NSUInteger maxCacheSize; 74 | 75 | /** 76 | * Returns global shared cache instance 77 | * 78 | * @return SDImageCache global instance 79 | */ 80 | + (SDImageCache *)sharedImageCache; 81 | 82 | /** 83 | * Init a new cache store with a specific namespace 84 | * 85 | * @param ns The namespace to use for this cache store 86 | */ 87 | - (id)initWithNamespace:(NSString *)ns; 88 | 89 | /** 90 | * Init a new cache store with a specific namespace and directory 91 | * 92 | * @param ns The namespace to use for this cache store 93 | * @param directory Directory to cache disk images in 94 | */ 95 | - (id)initWithNamespace:(NSString *)ns diskCacheDirectory:(NSString *)directory; 96 | 97 | -(NSString *)makeDiskCachePath:(NSString*)fullNamespace; 98 | 99 | /** 100 | * Add a read-only cache path to search for images pre-cached by SDImageCache 101 | * Useful if you want to bundle pre-loaded images with your app 102 | * 103 | * @param path The path to use for this read-only cache path 104 | */ 105 | - (void)addReadOnlyCachePath:(NSString *)path; 106 | 107 | /** 108 | * Store an image into memory and disk cache at the given key. 109 | * 110 | * @param image The image to store 111 | * @param key The unique image cache key, usually it's image absolute URL 112 | */ 113 | - (void)storeImage:(UIImage *)image forKey:(NSString *)key; 114 | 115 | /** 116 | * Store an image into memory and optionally disk cache at the given key. 117 | * 118 | * @param image The image to store 119 | * @param key The unique image cache key, usually it's image absolute URL 120 | * @param toDisk Store the image to disk cache if YES 121 | */ 122 | - (void)storeImage:(UIImage *)image forKey:(NSString *)key toDisk:(BOOL)toDisk; 123 | 124 | /** 125 | * Store an image into memory and optionally disk cache at the given key. 126 | * 127 | * @param image The image to store 128 | * @param recalculate BOOL indicates if imageData can be used or a new data should be constructed from the UIImage 129 | * @param imageData The image data as returned by the server, this representation will be used for disk storage 130 | * instead of converting the given image object into a storable/compressed image format in order 131 | * to save quality and CPU 132 | * @param key The unique image cache key, usually it's image absolute URL 133 | * @param toDisk Store the image to disk cache if YES 134 | */ 135 | - (void)storeImage:(UIImage *)image recalculateFromImage:(BOOL)recalculate imageData:(NSData *)imageData forKey:(NSString *)key toDisk:(BOOL)toDisk; 136 | 137 | /** 138 | * Store image NSData into disk cache at the given key. 139 | * 140 | * @param imageData The image data to store 141 | * @param key The unique image cache key, usually it's image absolute URL 142 | */ 143 | - (void)storeImageDataToDisk:(NSData *)imageData forKey:(NSString *)key; 144 | 145 | /** 146 | * Query the disk cache asynchronously. 147 | * 148 | * @param key The unique key used to store the wanted image 149 | */ 150 | - (NSOperation *)queryDiskCacheForKey:(NSString *)key done:(SDWebImageQueryCompletedBlock)doneBlock; 151 | 152 | /** 153 | * Query the memory cache synchronously. 154 | * 155 | * @param key The unique key used to store the wanted image 156 | */ 157 | - (UIImage *)imageFromMemoryCacheForKey:(NSString *)key; 158 | 159 | /** 160 | * Query the disk cache synchronously after checking the memory cache. 161 | * 162 | * @param key The unique key used to store the wanted image 163 | */ 164 | - (UIImage *)imageFromDiskCacheForKey:(NSString *)key; 165 | 166 | /** 167 | * Remove the image from memory and disk cache asynchronously 168 | * 169 | * @param key The unique image cache key 170 | */ 171 | - (void)removeImageForKey:(NSString *)key; 172 | 173 | 174 | /** 175 | * Remove the image from memory and disk cache asynchronously 176 | * 177 | * @param key The unique image cache key 178 | * @param completion An block that should be executed after the image has been removed (optional) 179 | */ 180 | - (void)removeImageForKey:(NSString *)key withCompletion:(SDWebImageNoParamsBlock)completion; 181 | 182 | /** 183 | * Remove the image from memory and optionally disk cache asynchronously 184 | * 185 | * @param key The unique image cache key 186 | * @param fromDisk Also remove cache entry from disk if YES 187 | */ 188 | - (void)removeImageForKey:(NSString *)key fromDisk:(BOOL)fromDisk; 189 | 190 | /** 191 | * Remove the image from memory and optionally disk cache asynchronously 192 | * 193 | * @param key The unique image cache key 194 | * @param fromDisk Also remove cache entry from disk if YES 195 | * @param completion An block that should be executed after the image has been removed (optional) 196 | */ 197 | - (void)removeImageForKey:(NSString *)key fromDisk:(BOOL)fromDisk withCompletion:(SDWebImageNoParamsBlock)completion; 198 | 199 | /** 200 | * Clear all memory cached images 201 | */ 202 | - (void)clearMemory; 203 | 204 | /** 205 | * Clear all disk cached images. Non-blocking method - returns immediately. 206 | * @param completion An block that should be executed after cache expiration completes (optional) 207 | */ 208 | - (void)clearDiskOnCompletion:(SDWebImageNoParamsBlock)completion; 209 | 210 | /** 211 | * Clear all disk cached images 212 | * @see clearDiskOnCompletion: 213 | */ 214 | - (void)clearDisk; 215 | 216 | /** 217 | * Remove all expired cached image from disk. Non-blocking method - returns immediately. 218 | * @param completionBlock An block that should be executed after cache expiration completes (optional) 219 | */ 220 | - (void)cleanDiskWithCompletionBlock:(SDWebImageNoParamsBlock)completionBlock; 221 | 222 | /** 223 | * Remove all expired cached image from disk 224 | * @see cleanDiskWithCompletionBlock: 225 | */ 226 | - (void)cleanDisk; 227 | 228 | /** 229 | * Get the size used by the disk cache 230 | */ 231 | - (NSUInteger)getSize; 232 | 233 | /** 234 | * Get the number of images in the disk cache 235 | */ 236 | - (NSUInteger)getDiskCount; 237 | 238 | /** 239 | * Asynchronously calculate the disk cache's size. 240 | */ 241 | - (void)calculateSizeWithCompletionBlock:(SDWebImageCalculateSizeBlock)completionBlock; 242 | 243 | /** 244 | * Async check if image exists in disk cache already (does not load the image) 245 | * 246 | * @param key the key describing the url 247 | * @param completionBlock the block to be executed when the check is done. 248 | * @note the completion block will be always executed on the main queue 249 | */ 250 | - (void)diskImageExistsWithKey:(NSString *)key completion:(SDWebImageCheckCacheCompletionBlock)completionBlock; 251 | 252 | /** 253 | * Check if image exists in disk cache already (does not load the image) 254 | * 255 | * @param key the key describing the url 256 | * 257 | * @return YES if an image exists for the given key 258 | */ 259 | - (BOOL)diskImageExistsWithKey:(NSString *)key; 260 | 261 | /** 262 | * Get the cache path for a certain key (needs the cache path root folder) 263 | * 264 | * @param key the key (can be obtained from url using cacheKeyForURL) 265 | * @param path the cache path root folder 266 | * 267 | * @return the cache path 268 | */ 269 | - (NSString *)cachePathForKey:(NSString *)key inPath:(NSString *)path; 270 | 271 | /** 272 | * Get the default cache path for a certain key 273 | * 274 | * @param key the key (can be obtained from url using cacheKeyForURL) 275 | * 276 | * @return the default cache path 277 | */ 278 | - (NSString *)defaultCachePathForKey:(NSString *)key; 279 | 280 | @end 281 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageCompat.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * (c) Jamie Pinkham 5 | * 6 | * For the full copyright and license information, please view the LICENSE 7 | * file that was distributed with this source code. 8 | */ 9 | 10 | #import 11 | 12 | #ifdef __OBJC_GC__ 13 | #error SDWebImage does not support Objective-C Garbage Collection 14 | #endif 15 | 16 | #if __IPHONE_OS_VERSION_MIN_REQUIRED != 20000 && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_5_0 17 | #error SDWebImage doesn't support Deployment Target version < 5.0 18 | #endif 19 | 20 | #if !TARGET_OS_IPHONE 21 | #import 22 | #ifndef UIImage 23 | #define UIImage NSImage 24 | #endif 25 | #ifndef UIImageView 26 | #define UIImageView NSImageView 27 | #endif 28 | #else 29 | 30 | #import 31 | 32 | #endif 33 | 34 | #ifndef NS_ENUM 35 | #define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type 36 | #endif 37 | 38 | #ifndef NS_OPTIONS 39 | #define NS_OPTIONS(_type, _name) enum _name : _type _name; enum _name : _type 40 | #endif 41 | 42 | #if OS_OBJECT_USE_OBJC 43 | #undef SDDispatchQueueRelease 44 | #undef SDDispatchQueueSetterSementics 45 | #define SDDispatchQueueRelease(q) 46 | #define SDDispatchQueueSetterSementics strong 47 | #else 48 | #undef SDDispatchQueueRelease 49 | #undef SDDispatchQueueSetterSementics 50 | #define SDDispatchQueueRelease(q) (dispatch_release(q)) 51 | #define SDDispatchQueueSetterSementics assign 52 | #endif 53 | 54 | extern UIImage *SDScaledImageForKey(NSString *key, UIImage *image); 55 | 56 | typedef void(^SDWebImageNoParamsBlock)(); 57 | 58 | extern NSString *const SDWebImageErrorDomain; 59 | 60 | #define dispatch_main_sync_safe(block)\ 61 | if ([NSThread isMainThread]) {\ 62 | block();\ 63 | } else {\ 64 | dispatch_sync(dispatch_get_main_queue(), block);\ 65 | } 66 | 67 | #define dispatch_main_async_safe(block)\ 68 | if ([NSThread isMainThread]) {\ 69 | block();\ 70 | } else {\ 71 | dispatch_async(dispatch_get_main_queue(), block);\ 72 | } 73 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageCompat.m: -------------------------------------------------------------------------------- 1 | // 2 | // SDWebImageCompat.m 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 11/12/12. 6 | // Copyright (c) 2012 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import "SDWebImageCompat.h" 10 | 11 | #if !__has_feature(objc_arc) 12 | #error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag 13 | #endif 14 | 15 | inline UIImage *SDScaledImageForKey(NSString *key, UIImage *image) { 16 | if (!image) { 17 | return nil; 18 | } 19 | 20 | if ([image.images count] > 0) { 21 | NSMutableArray *scaledImages = [NSMutableArray array]; 22 | 23 | for (UIImage *tempImage in image.images) { 24 | [scaledImages addObject:SDScaledImageForKey(key, tempImage)]; 25 | } 26 | 27 | return [UIImage animatedImageWithImages:scaledImages duration:image.duration]; 28 | } 29 | else { 30 | if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) { 31 | CGFloat scale = 1; 32 | if (key.length >= 8) { 33 | NSRange range = [key rangeOfString:@"@2x."]; 34 | if (range.location != NSNotFound) { 35 | scale = 2.0; 36 | } 37 | 38 | range = [key rangeOfString:@"@3x."]; 39 | if (range.location != NSNotFound) { 40 | scale = 3.0; 41 | } 42 | } 43 | 44 | UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation]; 45 | image = scaledImage; 46 | } 47 | return image; 48 | } 49 | } 50 | 51 | NSString *const SDWebImageErrorDomain = @"SDWebImageErrorDomain"; 52 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageDecoder.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * Created by james on 9/28/11. 6 | * 7 | * For the full copyright and license information, please view the LICENSE 8 | * file that was distributed with this source code. 9 | */ 10 | 11 | #import 12 | #import "SDWebImageCompat.h" 13 | 14 | @interface UIImage (ForceDecode) 15 | 16 | + (UIImage *)decodedImageWithImage:(UIImage *)image; 17 | 18 | @end 19 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageDecoder.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * Created by james on 9/28/11. 6 | * 7 | * For the full copyright and license information, please view the LICENSE 8 | * file that was distributed with this source code. 9 | */ 10 | 11 | #import "SDWebImageDecoder.h" 12 | 13 | @implementation UIImage (ForceDecode) 14 | 15 | + (UIImage *)decodedImageWithImage:(UIImage *)image { 16 | // while downloading huge amount of images 17 | // autorelease the bitmap context 18 | // and all vars to help system to free memory 19 | // when there are memory warning. 20 | // on iOS7, do not forget to call 21 | // [[SDImageCache sharedImageCache] clearMemory]; 22 | 23 | if (image == nil) { // Prevent "CGBitmapContextCreateImage: invalid context 0x0" error 24 | return nil; 25 | } 26 | 27 | @autoreleasepool{ 28 | // do not decode animated images 29 | if (image.images != nil) { 30 | return image; 31 | } 32 | 33 | CGImageRef imageRef = image.CGImage; 34 | 35 | CGImageAlphaInfo alpha = CGImageGetAlphaInfo(imageRef); 36 | BOOL anyAlpha = (alpha == kCGImageAlphaFirst || 37 | alpha == kCGImageAlphaLast || 38 | alpha == kCGImageAlphaPremultipliedFirst || 39 | alpha == kCGImageAlphaPremultipliedLast); 40 | if (anyAlpha) { 41 | return image; 42 | } 43 | 44 | // current 45 | CGColorSpaceModel imageColorSpaceModel = CGColorSpaceGetModel(CGImageGetColorSpace(imageRef)); 46 | CGColorSpaceRef colorspaceRef = CGImageGetColorSpace(imageRef); 47 | 48 | BOOL unsupportedColorSpace = (imageColorSpaceModel == kCGColorSpaceModelUnknown || 49 | imageColorSpaceModel == kCGColorSpaceModelMonochrome || 50 | imageColorSpaceModel == kCGColorSpaceModelCMYK || 51 | imageColorSpaceModel == kCGColorSpaceModelIndexed); 52 | if (unsupportedColorSpace) { 53 | colorspaceRef = CGColorSpaceCreateDeviceRGB(); 54 | } 55 | 56 | size_t width = CGImageGetWidth(imageRef); 57 | size_t height = CGImageGetHeight(imageRef); 58 | NSUInteger bytesPerPixel = 4; 59 | NSUInteger bytesPerRow = bytesPerPixel * width; 60 | NSUInteger bitsPerComponent = 8; 61 | 62 | 63 | // kCGImageAlphaNone is not supported in CGBitmapContextCreate. 64 | // Since the original image here has no alpha info, use kCGImageAlphaNoneSkipLast 65 | // to create bitmap graphics contexts without alpha info. 66 | CGContextRef context = CGBitmapContextCreate(NULL, 67 | width, 68 | height, 69 | bitsPerComponent, 70 | bytesPerRow, 71 | colorspaceRef, 72 | kCGBitmapByteOrderDefault|kCGImageAlphaNoneSkipLast); 73 | 74 | // Draw the image into the context and retrieve the new bitmap image without alpha 75 | CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef); 76 | CGImageRef imageRefWithoutAlpha = CGBitmapContextCreateImage(context); 77 | UIImage *imageWithoutAlpha = [UIImage imageWithCGImage:imageRefWithoutAlpha 78 | scale:image.scale 79 | orientation:image.imageOrientation]; 80 | 81 | if (unsupportedColorSpace) { 82 | CGColorSpaceRelease(colorspaceRef); 83 | } 84 | 85 | CGContextRelease(context); 86 | CGImageRelease(imageRefWithoutAlpha); 87 | 88 | return imageWithoutAlpha; 89 | } 90 | } 91 | 92 | @end 93 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageDownloader.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageCompat.h" 11 | #import "SDWebImageOperation.h" 12 | 13 | typedef NS_OPTIONS(NSUInteger, SDWebImageDownloaderOptions) { 14 | SDWebImageDownloaderLowPriority = 1 << 0, 15 | SDWebImageDownloaderProgressiveDownload = 1 << 1, 16 | 17 | /** 18 | * By default, request prevent the use of NSURLCache. With this flag, NSURLCache 19 | * is used with default policies. 20 | */ 21 | SDWebImageDownloaderUseNSURLCache = 1 << 2, 22 | 23 | /** 24 | * Call completion block with nil image/imageData if the image was read from NSURLCache 25 | * (to be combined with `SDWebImageDownloaderUseNSURLCache`). 26 | */ 27 | 28 | SDWebImageDownloaderIgnoreCachedResponse = 1 << 3, 29 | /** 30 | * In iOS 4+, continue the download of the image if the app goes to background. This is achieved by asking the system for 31 | * extra time in background to let the request finish. If the background task expires the operation will be cancelled. 32 | */ 33 | 34 | SDWebImageDownloaderContinueInBackground = 1 << 4, 35 | 36 | /** 37 | * Handles cookies stored in NSHTTPCookieStore by setting 38 | * NSMutableURLRequest.HTTPShouldHandleCookies = YES; 39 | */ 40 | SDWebImageDownloaderHandleCookies = 1 << 5, 41 | 42 | /** 43 | * Enable to allow untrusted SSL certificates. 44 | * Useful for testing purposes. Use with caution in production. 45 | */ 46 | SDWebImageDownloaderAllowInvalidSSLCertificates = 1 << 6, 47 | 48 | /** 49 | * Put the image in the high priority queue. 50 | */ 51 | SDWebImageDownloaderHighPriority = 1 << 7, 52 | }; 53 | 54 | typedef NS_ENUM(NSInteger, SDWebImageDownloaderExecutionOrder) { 55 | /** 56 | * Default value. All download operations will execute in queue style (first-in-first-out). 57 | */ 58 | SDWebImageDownloaderFIFOExecutionOrder, 59 | 60 | /** 61 | * All download operations will execute in stack style (last-in-first-out). 62 | */ 63 | SDWebImageDownloaderLIFOExecutionOrder 64 | }; 65 | 66 | extern NSString *const SDWebImageDownloadStartNotification; 67 | extern NSString *const SDWebImageDownloadStopNotification; 68 | 69 | typedef void(^SDWebImageDownloaderProgressBlock)(NSInteger receivedSize, NSInteger expectedSize); 70 | 71 | typedef void(^SDWebImageDownloaderCompletedBlock)(UIImage *image, NSData *data, NSError *error, BOOL finished); 72 | 73 | typedef NSDictionary *(^SDWebImageDownloaderHeadersFilterBlock)(NSURL *url, NSDictionary *headers); 74 | 75 | /** 76 | * Asynchronous downloader dedicated and optimized for image loading. 77 | */ 78 | @interface SDWebImageDownloader : NSObject 79 | 80 | /** 81 | * Decompressing images that are downloaded and cached can improve performance but can consume lot of memory. 82 | * Defaults to YES. Set this to NO if you are experiencing a crash due to excessive memory consumption. 83 | */ 84 | @property (assign, nonatomic) BOOL shouldDecompressImages; 85 | 86 | @property (assign, nonatomic) NSInteger maxConcurrentDownloads; 87 | 88 | /** 89 | * Shows the current amount of downloads that still need to be downloaded 90 | */ 91 | @property (readonly, nonatomic) NSUInteger currentDownloadCount; 92 | 93 | 94 | /** 95 | * The timeout value (in seconds) for the download operation. Default: 15.0. 96 | */ 97 | @property (assign, nonatomic) NSTimeInterval downloadTimeout; 98 | 99 | 100 | /** 101 | * Changes download operations execution order. Default value is `SDWebImageDownloaderFIFOExecutionOrder`. 102 | */ 103 | @property (assign, nonatomic) SDWebImageDownloaderExecutionOrder executionOrder; 104 | 105 | /** 106 | * Singleton method, returns the shared instance 107 | * 108 | * @return global shared instance of downloader class 109 | */ 110 | + (SDWebImageDownloader *)sharedDownloader; 111 | 112 | /** 113 | * Set the default URL credential to be set for request operations. 114 | */ 115 | @property (strong, nonatomic) NSURLCredential *urlCredential; 116 | 117 | /** 118 | * Set username 119 | */ 120 | @property (strong, nonatomic) NSString *username; 121 | 122 | /** 123 | * Set password 124 | */ 125 | @property (strong, nonatomic) NSString *password; 126 | 127 | /** 128 | * Set filter to pick headers for downloading image HTTP request. 129 | * 130 | * This block will be invoked for each downloading image request, returned 131 | * NSDictionary will be used as headers in corresponding HTTP request. 132 | */ 133 | @property (nonatomic, copy) SDWebImageDownloaderHeadersFilterBlock headersFilter; 134 | 135 | /** 136 | * Set a value for a HTTP header to be appended to each download HTTP request. 137 | * 138 | * @param value The value for the header field. Use `nil` value to remove the header. 139 | * @param field The name of the header field to set. 140 | */ 141 | - (void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field; 142 | 143 | /** 144 | * Returns the value of the specified HTTP header field. 145 | * 146 | * @return The value associated with the header field field, or `nil` if there is no corresponding header field. 147 | */ 148 | - (NSString *)valueForHTTPHeaderField:(NSString *)field; 149 | 150 | /** 151 | * Sets a subclass of `SDWebImageDownloaderOperation` as the default 152 | * `NSOperation` to be used each time SDWebImage constructs a request 153 | * operation to download an image. 154 | * 155 | * @param operationClass The subclass of `SDWebImageDownloaderOperation` to set 156 | * as default. Passing `nil` will revert to `SDWebImageDownloaderOperation`. 157 | */ 158 | - (void)setOperationClass:(Class)operationClass; 159 | 160 | /** 161 | * Creates a SDWebImageDownloader async downloader instance with a given URL 162 | * 163 | * The delegate will be informed when the image is finish downloaded or an error has happen. 164 | * 165 | * @see SDWebImageDownloaderDelegate 166 | * 167 | * @param url The URL to the image to download 168 | * @param options The options to be used for this download 169 | * @param progressBlock A block called repeatedly while the image is downloading 170 | * @param completedBlock A block called once the download is completed. 171 | * If the download succeeded, the image parameter is set, in case of error, 172 | * error parameter is set with the error. The last parameter is always YES 173 | * if SDWebImageDownloaderProgressiveDownload isn't use. With the 174 | * SDWebImageDownloaderProgressiveDownload option, this block is called 175 | * repeatedly with the partial image object and the finished argument set to NO 176 | * before to be called a last time with the full image and finished argument 177 | * set to YES. In case of error, the finished argument is always YES. 178 | * 179 | * @return A cancellable SDWebImageOperation 180 | */ 181 | - (id )downloadImageWithURL:(NSURL *)url 182 | options:(SDWebImageDownloaderOptions)options 183 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 184 | completed:(SDWebImageDownloaderCompletedBlock)completedBlock; 185 | 186 | /** 187 | * Sets the download queue suspension state 188 | */ 189 | - (void)setSuspended:(BOOL)suspended; 190 | 191 | /** 192 | * Cancels all download operations in the queue 193 | */ 194 | - (void)cancelAllDownloads; 195 | 196 | @end 197 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageDownloaderOperation.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageDownloader.h" 11 | #import "SDWebImageOperation.h" 12 | 13 | extern NSString *const SDWebImageDownloadStartNotification; 14 | extern NSString *const SDWebImageDownloadReceiveResponseNotification; 15 | extern NSString *const SDWebImageDownloadStopNotification; 16 | extern NSString *const SDWebImageDownloadFinishNotification; 17 | 18 | @interface SDWebImageDownloaderOperation : NSOperation 19 | 20 | /** 21 | * The request used by the operation's task. 22 | */ 23 | @property (strong, nonatomic, readonly) NSURLRequest *request; 24 | 25 | /** 26 | * The operation's task 27 | */ 28 | @property (strong, nonatomic, readonly) NSURLSessionTask *dataTask; 29 | 30 | 31 | @property (assign, nonatomic) BOOL shouldDecompressImages; 32 | 33 | /** 34 | * Was used to determine whether the URL connection should consult the credential storage for authenticating the connection. 35 | * @deprecated Not used for a couple of versions 36 | */ 37 | @property (nonatomic, assign) BOOL shouldUseCredentialStorage __deprecated_msg("Property deprecated. Does nothing. Kept only for backwards compatibility"); 38 | 39 | /** 40 | * The credential used for authentication challenges in `-connection:didReceiveAuthenticationChallenge:`. 41 | * 42 | * This will be overridden by any shared credentials that exist for the username or password of the request URL, if present. 43 | */ 44 | @property (nonatomic, strong) NSURLCredential *credential; 45 | 46 | /** 47 | * The SDWebImageDownloaderOptions for the receiver. 48 | */ 49 | @property (assign, nonatomic, readonly) SDWebImageDownloaderOptions options; 50 | 51 | /** 52 | * The expected size of data. 53 | */ 54 | @property (assign, nonatomic) NSInteger expectedSize; 55 | 56 | /** 57 | * The response returned by the operation's connection. 58 | */ 59 | @property (strong, nonatomic) NSURLResponse *response; 60 | 61 | /** 62 | * Initializes a `SDWebImageDownloaderOperation` object 63 | * 64 | * @see SDWebImageDownloaderOperation 65 | * 66 | * @param request the URL request 67 | * @param session the URL session in which this operation will run 68 | * @param options downloader options 69 | * @param progressBlock the block executed when a new chunk of data arrives. 70 | * @note the progress block is executed on a background queue 71 | * @param completedBlock the block executed when the download is done. 72 | * @note the completed block is executed on the main queue for success. If errors are found, there is a chance the block will be executed on a background queue 73 | * @param cancelBlock the block executed if the download (operation) is cancelled 74 | * 75 | * @return the initialized instance 76 | */ 77 | - (id)initWithRequest:(NSURLRequest *)request 78 | inSession:(NSURLSession *)session 79 | options:(SDWebImageDownloaderOptions)options 80 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 81 | completed:(SDWebImageDownloaderCompletedBlock)completedBlock 82 | cancelled:(SDWebImageNoParamsBlock)cancelBlock; 83 | 84 | /** 85 | * Initializes a `SDWebImageDownloaderOperation` object 86 | * 87 | * @see SDWebImageDownloaderOperation 88 | * 89 | * @param request the URL request 90 | * @param options downloader options 91 | * @param progressBlock the block executed when a new chunk of data arrives. 92 | * @note the progress block is executed on a background queue 93 | * @param completedBlock the block executed when the download is done. 94 | * @note the completed block is executed on the main queue for success. If errors are found, there is a chance the block will be executed on a background queue 95 | * @param cancelBlock the block executed if the download (operation) is cancelled 96 | * 97 | * @return the initialized instance. The operation will run in a separate session created for this operation 98 | */ 99 | - (id)initWithRequest:(NSURLRequest *)request 100 | options:(SDWebImageDownloaderOptions)options 101 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 102 | completed:(SDWebImageDownloaderCompletedBlock)completedBlock 103 | cancelled:(SDWebImageNoParamsBlock)cancelBlock 104 | __deprecated_msg("Method deprecated. Use `initWithRequest:inSession:options:progress:completed:cancelled`"); 105 | 106 | @end 107 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageManager.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageCompat.h" 10 | #import "SDWebImageOperation.h" 11 | #import "SDWebImageDownloader.h" 12 | #import "SDImageCache.h" 13 | 14 | typedef NS_OPTIONS(NSUInteger, SDWebImageOptions) { 15 | /** 16 | * By default, when a URL fail to be downloaded, the URL is blacklisted so the library won't keep trying. 17 | * This flag disable this blacklisting. 18 | */ 19 | SDWebImageRetryFailed = 1 << 0, 20 | 21 | /** 22 | * By default, image downloads are started during UI interactions, this flags disable this feature, 23 | * leading to delayed download on UIScrollView deceleration for instance. 24 | */ 25 | SDWebImageLowPriority = 1 << 1, 26 | 27 | /** 28 | * This flag disables on-disk caching 29 | */ 30 | SDWebImageCacheMemoryOnly = 1 << 2, 31 | 32 | /** 33 | * This flag enables progressive download, the image is displayed progressively during download as a browser would do. 34 | * By default, the image is only displayed once completely downloaded. 35 | */ 36 | SDWebImageProgressiveDownload = 1 << 3, 37 | 38 | /** 39 | * Even if the image is cached, respect the HTTP response cache control, and refresh the image from remote location if needed. 40 | * The disk caching will be handled by NSURLCache instead of SDWebImage leading to slight performance degradation. 41 | * This option helps deal with images changing behind the same request URL, e.g. Facebook graph api profile pics. 42 | * If a cached image is refreshed, the completion block is called once with the cached image and again with the final image. 43 | * 44 | * Use this flag only if you can't make your URLs static with embedded cache busting parameter. 45 | */ 46 | SDWebImageRefreshCached = 1 << 4, 47 | 48 | /** 49 | * In iOS 4+, continue the download of the image if the app goes to background. This is achieved by asking the system for 50 | * extra time in background to let the request finish. If the background task expires the operation will be cancelled. 51 | */ 52 | SDWebImageContinueInBackground = 1 << 5, 53 | 54 | /** 55 | * Handles cookies stored in NSHTTPCookieStore by setting 56 | * NSMutableURLRequest.HTTPShouldHandleCookies = YES; 57 | */ 58 | SDWebImageHandleCookies = 1 << 6, 59 | 60 | /** 61 | * Enable to allow untrusted SSL certificates. 62 | * Useful for testing purposes. Use with caution in production. 63 | */ 64 | SDWebImageAllowInvalidSSLCertificates = 1 << 7, 65 | 66 | /** 67 | * By default, images are loaded in the order in which they were queued. This flag moves them to 68 | * the front of the queue. 69 | */ 70 | SDWebImageHighPriority = 1 << 8, 71 | 72 | /** 73 | * By default, placeholder images are loaded while the image is loading. This flag will delay the loading 74 | * of the placeholder image until after the image has finished loading. 75 | */ 76 | SDWebImageDelayPlaceholder = 1 << 9, 77 | 78 | /** 79 | * We usually don't call transformDownloadedImage delegate method on animated images, 80 | * as most transformation code would mangle it. 81 | * Use this flag to transform them anyway. 82 | */ 83 | SDWebImageTransformAnimatedImage = 1 << 10, 84 | 85 | /** 86 | * By default, image is added to the imageView after download. But in some cases, we want to 87 | * have the hand before setting the image (apply a filter or add it with cross-fade animation for instance) 88 | * Use this flag if you want to manually set the image in the completion when success 89 | */ 90 | SDWebImageAvoidAutoSetImage = 1 << 11 91 | }; 92 | 93 | typedef void(^SDWebImageCompletionBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL); 94 | 95 | typedef void(^SDWebImageCompletionWithFinishedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL); 96 | 97 | typedef NSString *(^SDWebImageCacheKeyFilterBlock)(NSURL *url); 98 | 99 | 100 | @class SDWebImageManager; 101 | 102 | @protocol SDWebImageManagerDelegate 103 | 104 | @optional 105 | 106 | /** 107 | * Controls which image should be downloaded when the image is not found in the cache. 108 | * 109 | * @param imageManager The current `SDWebImageManager` 110 | * @param imageURL The url of the image to be downloaded 111 | * 112 | * @return Return NO to prevent the downloading of the image on cache misses. If not implemented, YES is implied. 113 | */ 114 | - (BOOL)imageManager:(SDWebImageManager *)imageManager shouldDownloadImageForURL:(NSURL *)imageURL; 115 | 116 | /** 117 | * Allows to transform the image immediately after it has been downloaded and just before to cache it on disk and memory. 118 | * NOTE: This method is called from a global queue in order to not to block the main thread. 119 | * 120 | * @param imageManager The current `SDWebImageManager` 121 | * @param image The image to transform 122 | * @param imageURL The url of the image to transform 123 | * 124 | * @return The transformed image object. 125 | */ 126 | - (UIImage *)imageManager:(SDWebImageManager *)imageManager transformDownloadedImage:(UIImage *)image withURL:(NSURL *)imageURL; 127 | 128 | @end 129 | 130 | /** 131 | * The SDWebImageManager is the class behind the UIImageView+WebCache category and likes. 132 | * It ties the asynchronous downloader (SDWebImageDownloader) with the image cache store (SDImageCache). 133 | * You can use this class directly to benefit from web image downloading with caching in another context than 134 | * a UIView. 135 | * 136 | * Here is a simple example of how to use SDWebImageManager: 137 | * 138 | * @code 139 | 140 | SDWebImageManager *manager = [SDWebImageManager sharedManager]; 141 | [manager downloadImageWithURL:imageURL 142 | options:0 143 | progress:nil 144 | completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 145 | if (image) { 146 | // do something with image 147 | } 148 | }]; 149 | 150 | * @endcode 151 | */ 152 | @interface SDWebImageManager : NSObject 153 | 154 | @property (weak, nonatomic) id delegate; 155 | 156 | @property (strong, nonatomic, readonly) SDImageCache *imageCache; 157 | @property (strong, nonatomic, readonly) SDWebImageDownloader *imageDownloader; 158 | 159 | /** 160 | * The cache filter is a block used each time SDWebImageManager need to convert an URL into a cache key. This can 161 | * be used to remove dynamic part of an image URL. 162 | * 163 | * The following example sets a filter in the application delegate that will remove any query-string from the 164 | * URL before to use it as a cache key: 165 | * 166 | * @code 167 | 168 | [[SDWebImageManager sharedManager] setCacheKeyFilter:^(NSURL *url) { 169 | url = [[NSURL alloc] initWithScheme:url.scheme host:url.host path:url.path]; 170 | return [url absoluteString]; 171 | }]; 172 | 173 | * @endcode 174 | */ 175 | @property (nonatomic, copy) SDWebImageCacheKeyFilterBlock cacheKeyFilter; 176 | 177 | /** 178 | * Returns global SDWebImageManager instance. 179 | * 180 | * @return SDWebImageManager shared instance 181 | */ 182 | + (SDWebImageManager *)sharedManager; 183 | 184 | /** 185 | * Allows to specify instance of cache and image downloader used with image manager. 186 | * @return new instance of `SDWebImageManager` with specified cache and downloader. 187 | */ 188 | - (instancetype)initWithCache:(SDImageCache *)cache downloader:(SDWebImageDownloader *)downloader; 189 | 190 | /** 191 | * Downloads the image at the given URL if not present in cache or return the cached version otherwise. 192 | * 193 | * @param url The URL to the image 194 | * @param options A mask to specify options to use for this request 195 | * @param progressBlock A block called while image is downloading 196 | * @param completedBlock A block called when operation has been completed. 197 | * 198 | * This parameter is required. 199 | * 200 | * This block has no return value and takes the requested UIImage as first parameter. 201 | * In case of error the image parameter is nil and the second parameter may contain an NSError. 202 | * 203 | * The third parameter is an `SDImageCacheType` enum indicating if the image was retrieved from the local cache 204 | * or from the memory cache or from the network. 205 | * 206 | * The last parameter is set to NO when the SDWebImageProgressiveDownload option is used and the image is 207 | * downloading. This block is thus called repeatedly with a partial image. When image is fully downloaded, the 208 | * block is called a last time with the full image and the last parameter set to YES. 209 | * 210 | * @return Returns an NSObject conforming to SDWebImageOperation. Should be an instance of SDWebImageDownloaderOperation 211 | */ 212 | - (id )downloadImageWithURL:(NSURL *)url 213 | options:(SDWebImageOptions)options 214 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 215 | completed:(SDWebImageCompletionWithFinishedBlock)completedBlock; 216 | 217 | /** 218 | * Saves image to cache for given URL 219 | * 220 | * @param image The image to cache 221 | * @param url The URL to the image 222 | * 223 | */ 224 | 225 | - (void)saveImageToCache:(UIImage *)image forURL:(NSURL *)url; 226 | 227 | /** 228 | * Cancel all current operations 229 | */ 230 | - (void)cancelAll; 231 | 232 | /** 233 | * Check one or more operations running 234 | */ 235 | - (BOOL)isRunning; 236 | 237 | /** 238 | * Check if image has already been cached 239 | * 240 | * @param url image url 241 | * 242 | * @return if the image was already cached 243 | */ 244 | - (BOOL)cachedImageExistsForURL:(NSURL *)url; 245 | 246 | /** 247 | * Check if image has already been cached on disk only 248 | * 249 | * @param url image url 250 | * 251 | * @return if the image was already cached (disk only) 252 | */ 253 | - (BOOL)diskImageExistsForURL:(NSURL *)url; 254 | 255 | /** 256 | * Async check if image has already been cached 257 | * 258 | * @param url image url 259 | * @param completionBlock the block to be executed when the check is finished 260 | * 261 | * @note the completion block is always executed on the main queue 262 | */ 263 | - (void)cachedImageExistsForURL:(NSURL *)url 264 | completion:(SDWebImageCheckCacheCompletionBlock)completionBlock; 265 | 266 | /** 267 | * Async check if image has already been cached on disk only 268 | * 269 | * @param url image url 270 | * @param completionBlock the block to be executed when the check is finished 271 | * 272 | * @note the completion block is always executed on the main queue 273 | */ 274 | - (void)diskImageExistsForURL:(NSURL *)url 275 | completion:(SDWebImageCheckCacheCompletionBlock)completionBlock; 276 | 277 | 278 | /** 279 | *Return the cache key for a given URL 280 | */ 281 | - (NSString *)cacheKeyForURL:(NSURL *)url; 282 | 283 | @end 284 | 285 | 286 | #pragma mark - Deprecated 287 | 288 | typedef void(^SDWebImageCompletedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType) __deprecated_msg("Block type deprecated. Use `SDWebImageCompletionBlock`"); 289 | typedef void(^SDWebImageCompletedWithFinishedBlock)(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished) __deprecated_msg("Block type deprecated. Use `SDWebImageCompletionWithFinishedBlock`"); 290 | 291 | 292 | @interface SDWebImageManager (Deprecated) 293 | 294 | /** 295 | * Downloads the image at the given URL if not present in cache or return the cached version otherwise. 296 | * 297 | * @deprecated This method has been deprecated. Use `downloadImageWithURL:options:progress:completed:` 298 | */ 299 | - (id )downloadWithURL:(NSURL *)url 300 | options:(SDWebImageOptions)options 301 | progress:(SDWebImageDownloaderProgressBlock)progressBlock 302 | completed:(SDWebImageCompletedWithFinishedBlock)completedBlock __deprecated_msg("Method deprecated. Use `downloadImageWithURL:options:progress:completed:`"); 303 | 304 | @end 305 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImageOperation.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | 11 | @protocol SDWebImageOperation 12 | 13 | - (void)cancel; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImagePrefetcher.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageManager.h" 11 | 12 | @class SDWebImagePrefetcher; 13 | 14 | @protocol SDWebImagePrefetcherDelegate 15 | 16 | @optional 17 | 18 | /** 19 | * Called when an image was prefetched. 20 | * 21 | * @param imagePrefetcher The current image prefetcher 22 | * @param imageURL The image url that was prefetched 23 | * @param finishedCount The total number of images that were prefetched (successful or not) 24 | * @param totalCount The total number of images that were to be prefetched 25 | */ 26 | - (void)imagePrefetcher:(SDWebImagePrefetcher *)imagePrefetcher didPrefetchURL:(NSURL *)imageURL finishedCount:(NSUInteger)finishedCount totalCount:(NSUInteger)totalCount; 27 | 28 | /** 29 | * Called when all images are prefetched. 30 | * @param imagePrefetcher The current image prefetcher 31 | * @param totalCount The total number of images that were prefetched (whether successful or not) 32 | * @param skippedCount The total number of images that were skipped 33 | */ 34 | - (void)imagePrefetcher:(SDWebImagePrefetcher *)imagePrefetcher didFinishWithTotalCount:(NSUInteger)totalCount skippedCount:(NSUInteger)skippedCount; 35 | 36 | @end 37 | 38 | typedef void(^SDWebImagePrefetcherProgressBlock)(NSUInteger noOfFinishedUrls, NSUInteger noOfTotalUrls); 39 | typedef void(^SDWebImagePrefetcherCompletionBlock)(NSUInteger noOfFinishedUrls, NSUInteger noOfSkippedUrls); 40 | 41 | /** 42 | * Prefetch some URLs in the cache for future use. Images are downloaded in low priority. 43 | */ 44 | @interface SDWebImagePrefetcher : NSObject 45 | 46 | /** 47 | * The web image manager 48 | */ 49 | @property (strong, nonatomic, readonly) SDWebImageManager *manager; 50 | 51 | /** 52 | * Maximum number of URLs to prefetch at the same time. Defaults to 3. 53 | */ 54 | @property (nonatomic, assign) NSUInteger maxConcurrentDownloads; 55 | 56 | /** 57 | * SDWebImageOptions for prefetcher. Defaults to SDWebImageLowPriority. 58 | */ 59 | @property (nonatomic, assign) SDWebImageOptions options; 60 | 61 | /** 62 | * Queue options for Prefetcher. Defaults to Main Queue. 63 | */ 64 | @property (nonatomic, assign) dispatch_queue_t prefetcherQueue; 65 | 66 | @property (weak, nonatomic) id delegate; 67 | 68 | /** 69 | * Return the global image prefetcher instance. 70 | */ 71 | + (SDWebImagePrefetcher *)sharedImagePrefetcher; 72 | 73 | /** 74 | * Allows you to instantiate a prefetcher with any arbitrary image manager. 75 | */ 76 | - (id)initWithImageManager:(SDWebImageManager *)manager; 77 | 78 | /** 79 | * Assign list of URLs to let SDWebImagePrefetcher to queue the prefetching, 80 | * currently one image is downloaded at a time, 81 | * and skips images for failed downloads and proceed to the next image in the list 82 | * 83 | * @param urls list of URLs to prefetch 84 | */ 85 | - (void)prefetchURLs:(NSArray *)urls; 86 | 87 | /** 88 | * Assign list of URLs to let SDWebImagePrefetcher to queue the prefetching, 89 | * currently one image is downloaded at a time, 90 | * and skips images for failed downloads and proceed to the next image in the list 91 | * 92 | * @param urls list of URLs to prefetch 93 | * @param progressBlock block to be called when progress updates; 94 | * first parameter is the number of completed (successful or not) requests, 95 | * second parameter is the total number of images originally requested to be prefetched 96 | * @param completionBlock block to be called when prefetching is completed 97 | * first param is the number of completed (successful or not) requests, 98 | * second parameter is the number of skipped requests 99 | */ 100 | - (void)prefetchURLs:(NSArray *)urls progress:(SDWebImagePrefetcherProgressBlock)progressBlock completed:(SDWebImagePrefetcherCompletionBlock)completionBlock; 101 | 102 | /** 103 | * Remove and cancel queued list 104 | */ 105 | - (void)cancelPrefetching; 106 | 107 | 108 | @end 109 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/SDWebImagePrefetcher.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImagePrefetcher.h" 10 | 11 | @interface SDWebImagePrefetcher () 12 | 13 | @property (strong, nonatomic) SDWebImageManager *manager; 14 | @property (strong, nonatomic) NSArray *prefetchURLs; 15 | @property (assign, nonatomic) NSUInteger requestedCount; 16 | @property (assign, nonatomic) NSUInteger skippedCount; 17 | @property (assign, nonatomic) NSUInteger finishedCount; 18 | @property (assign, nonatomic) NSTimeInterval startedTime; 19 | @property (copy, nonatomic) SDWebImagePrefetcherCompletionBlock completionBlock; 20 | @property (copy, nonatomic) SDWebImagePrefetcherProgressBlock progressBlock; 21 | 22 | @end 23 | 24 | @implementation SDWebImagePrefetcher 25 | 26 | + (SDWebImagePrefetcher *)sharedImagePrefetcher { 27 | static dispatch_once_t once; 28 | static id instance; 29 | dispatch_once(&once, ^{ 30 | instance = [self new]; 31 | }); 32 | return instance; 33 | } 34 | 35 | - (id)init { 36 | return [self initWithImageManager:[SDWebImageManager new]]; 37 | } 38 | 39 | - (id)initWithImageManager:(SDWebImageManager *)manager { 40 | if ((self = [super init])) { 41 | _manager = manager; 42 | _options = SDWebImageLowPriority; 43 | _prefetcherQueue = dispatch_get_main_queue(); 44 | self.maxConcurrentDownloads = 3; 45 | } 46 | return self; 47 | } 48 | 49 | - (void)setMaxConcurrentDownloads:(NSUInteger)maxConcurrentDownloads { 50 | self.manager.imageDownloader.maxConcurrentDownloads = maxConcurrentDownloads; 51 | } 52 | 53 | - (NSUInteger)maxConcurrentDownloads { 54 | return self.manager.imageDownloader.maxConcurrentDownloads; 55 | } 56 | 57 | - (void)startPrefetchingAtIndex:(NSUInteger)index { 58 | if (index >= self.prefetchURLs.count) return; 59 | self.requestedCount++; 60 | [self.manager downloadImageWithURL:self.prefetchURLs[index] options:self.options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 61 | if (!finished) return; 62 | self.finishedCount++; 63 | 64 | if (image) { 65 | if (self.progressBlock) { 66 | self.progressBlock(self.finishedCount,[self.prefetchURLs count]); 67 | } 68 | } 69 | else { 70 | if (self.progressBlock) { 71 | self.progressBlock(self.finishedCount,[self.prefetchURLs count]); 72 | } 73 | // Add last failed 74 | self.skippedCount++; 75 | } 76 | if ([self.delegate respondsToSelector:@selector(imagePrefetcher:didPrefetchURL:finishedCount:totalCount:)]) { 77 | [self.delegate imagePrefetcher:self 78 | didPrefetchURL:self.prefetchURLs[index] 79 | finishedCount:self.finishedCount 80 | totalCount:self.prefetchURLs.count 81 | ]; 82 | } 83 | if (self.prefetchURLs.count > self.requestedCount) { 84 | dispatch_async(self.prefetcherQueue, ^{ 85 | [self startPrefetchingAtIndex:self.requestedCount]; 86 | }); 87 | } else if (self.finishedCount == self.requestedCount) { 88 | [self reportStatus]; 89 | if (self.completionBlock) { 90 | self.completionBlock(self.finishedCount, self.skippedCount); 91 | self.completionBlock = nil; 92 | } 93 | self.progressBlock = nil; 94 | } 95 | }]; 96 | } 97 | 98 | - (void)reportStatus { 99 | NSUInteger total = [self.prefetchURLs count]; 100 | if ([self.delegate respondsToSelector:@selector(imagePrefetcher:didFinishWithTotalCount:skippedCount:)]) { 101 | [self.delegate imagePrefetcher:self 102 | didFinishWithTotalCount:(total - self.skippedCount) 103 | skippedCount:self.skippedCount 104 | ]; 105 | } 106 | } 107 | 108 | - (void)prefetchURLs:(NSArray *)urls { 109 | [self prefetchURLs:urls progress:nil completed:nil]; 110 | } 111 | 112 | - (void)prefetchURLs:(NSArray *)urls progress:(SDWebImagePrefetcherProgressBlock)progressBlock completed:(SDWebImagePrefetcherCompletionBlock)completionBlock { 113 | [self cancelPrefetching]; // Prevent duplicate prefetch request 114 | self.startedTime = CFAbsoluteTimeGetCurrent(); 115 | self.prefetchURLs = urls; 116 | self.completionBlock = completionBlock; 117 | self.progressBlock = progressBlock; 118 | 119 | if (urls.count == 0) { 120 | if (completionBlock) { 121 | completionBlock(0,0); 122 | } 123 | } else { 124 | // Starts prefetching from the very first image on the list with the max allowed concurrency 125 | NSUInteger listCount = self.prefetchURLs.count; 126 | for (NSUInteger i = 0; i < self.maxConcurrentDownloads && self.requestedCount < listCount; i++) { 127 | [self startPrefetchingAtIndex:i]; 128 | } 129 | } 130 | } 131 | 132 | - (void)cancelPrefetching { 133 | self.prefetchURLs = nil; 134 | self.skippedCount = 0; 135 | self.requestedCount = 0; 136 | self.finishedCount = 0; 137 | [self.manager cancelAll]; 138 | } 139 | 140 | @end 141 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIButton+WebCache.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIButton+WebCache.h" 10 | #import "objc/runtime.h" 11 | #import "UIView+WebCacheOperation.h" 12 | 13 | static char imageURLStorageKey; 14 | 15 | @implementation UIButton (WebCache) 16 | 17 | - (NSURL *)sd_currentImageURL { 18 | NSURL *url = self.imageURLStorage[@(self.state)]; 19 | 20 | if (!url) { 21 | url = self.imageURLStorage[@(UIControlStateNormal)]; 22 | } 23 | 24 | return url; 25 | } 26 | 27 | - (NSURL *)sd_imageURLForState:(UIControlState)state { 28 | return self.imageURLStorage[@(state)]; 29 | } 30 | 31 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state { 32 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 33 | } 34 | 35 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 36 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 37 | } 38 | 39 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 40 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 41 | } 42 | 43 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock { 44 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock]; 45 | } 46 | 47 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 48 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock]; 49 | } 50 | 51 | - (void)sd_setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 52 | 53 | [self setImage:placeholder forState:state]; 54 | [self sd_cancelImageLoadForState:state]; 55 | 56 | if (!url) { 57 | [self.imageURLStorage removeObjectForKey:@(state)]; 58 | 59 | dispatch_main_async_safe(^{ 60 | if (completedBlock) { 61 | NSError *error = [NSError errorWithDomain:SDWebImageErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 62 | completedBlock(nil, error, SDImageCacheTypeNone, url); 63 | } 64 | }); 65 | 66 | return; 67 | } 68 | 69 | self.imageURLStorage[@(state)] = url; 70 | 71 | __weak __typeof(self)wself = self; 72 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 73 | if (!wself) return; 74 | dispatch_main_sync_safe(^{ 75 | __strong UIButton *sself = wself; 76 | if (!sself) return; 77 | if (image && (options & SDWebImageAvoidAutoSetImage) && completedBlock) 78 | { 79 | completedBlock(image, error, cacheType, url); 80 | return; 81 | } 82 | else if (image) { 83 | [sself setImage:image forState:state]; 84 | } 85 | if (completedBlock && finished) { 86 | completedBlock(image, error, cacheType, url); 87 | } 88 | }); 89 | }]; 90 | [self sd_setImageLoadOperation:operation forState:state]; 91 | } 92 | 93 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state { 94 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 95 | } 96 | 97 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 98 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 99 | } 100 | 101 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 102 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 103 | } 104 | 105 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletionBlock)completedBlock { 106 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock]; 107 | } 108 | 109 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 110 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock]; 111 | } 112 | 113 | - (void)sd_setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 114 | [self sd_cancelBackgroundImageLoadForState:state]; 115 | 116 | [self setBackgroundImage:placeholder forState:state]; 117 | 118 | if (url) { 119 | __weak __typeof(self)wself = self; 120 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 121 | if (!wself) return; 122 | dispatch_main_sync_safe(^{ 123 | __strong UIButton *sself = wself; 124 | if (!sself) return; 125 | if (image && (options & SDWebImageAvoidAutoSetImage) && completedBlock) 126 | { 127 | completedBlock(image, error, cacheType, url); 128 | return; 129 | } 130 | else if (image) { 131 | [sself setBackgroundImage:image forState:state]; 132 | } 133 | if (completedBlock && finished) { 134 | completedBlock(image, error, cacheType, url); 135 | } 136 | }); 137 | }]; 138 | [self sd_setBackgroundImageLoadOperation:operation forState:state]; 139 | } else { 140 | dispatch_main_async_safe(^{ 141 | NSError *error = [NSError errorWithDomain:SDWebImageErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 142 | if (completedBlock) { 143 | completedBlock(nil, error, SDImageCacheTypeNone, url); 144 | } 145 | }); 146 | } 147 | } 148 | 149 | - (void)sd_setImageLoadOperation:(id)operation forState:(UIControlState)state { 150 | [self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]]; 151 | } 152 | 153 | - (void)sd_cancelImageLoadForState:(UIControlState)state { 154 | [self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]]; 155 | } 156 | 157 | - (void)sd_setBackgroundImageLoadOperation:(id)operation forState:(UIControlState)state { 158 | [self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]]; 159 | } 160 | 161 | - (void)sd_cancelBackgroundImageLoadForState:(UIControlState)state { 162 | [self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]]; 163 | } 164 | 165 | - (NSMutableDictionary *)imageURLStorage { 166 | NSMutableDictionary *storage = objc_getAssociatedObject(self, &imageURLStorageKey); 167 | if (!storage) 168 | { 169 | storage = [NSMutableDictionary dictionary]; 170 | objc_setAssociatedObject(self, &imageURLStorageKey, storage, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 171 | } 172 | 173 | return storage; 174 | } 175 | 176 | @end 177 | 178 | 179 | @implementation UIButton (WebCacheDeprecated) 180 | 181 | - (NSURL *)currentImageURL { 182 | return [self sd_currentImageURL]; 183 | } 184 | 185 | - (NSURL *)imageURLForState:(UIControlState)state { 186 | return [self sd_imageURLForState:state]; 187 | } 188 | 189 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state { 190 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 191 | } 192 | 193 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 194 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 195 | } 196 | 197 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 198 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 199 | } 200 | 201 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock { 202 | [self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 203 | if (completedBlock) { 204 | completedBlock(image, error, cacheType); 205 | } 206 | }]; 207 | } 208 | 209 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 210 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 211 | if (completedBlock) { 212 | completedBlock(image, error, cacheType); 213 | } 214 | }]; 215 | } 216 | 217 | - (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 218 | [self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 219 | if (completedBlock) { 220 | completedBlock(image, error, cacheType); 221 | } 222 | }]; 223 | } 224 | 225 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state { 226 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil]; 227 | } 228 | 229 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder { 230 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil]; 231 | } 232 | 233 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 234 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil]; 235 | } 236 | 237 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock { 238 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 239 | if (completedBlock) { 240 | completedBlock(image, error, cacheType); 241 | } 242 | }]; 243 | } 244 | 245 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 246 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 247 | if (completedBlock) { 248 | completedBlock(image, error, cacheType); 249 | } 250 | }]; 251 | } 252 | 253 | - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 254 | [self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 255 | if (completedBlock) { 256 | completedBlock(image, error, cacheType); 257 | } 258 | }]; 259 | } 260 | 261 | - (void)cancelCurrentImageLoad { 262 | // in a backwards compatible manner, cancel for current state 263 | [self sd_cancelImageLoadForState:self.state]; 264 | } 265 | 266 | - (void)cancelBackgroundImageLoadForState:(UIControlState)state { 267 | [self sd_cancelBackgroundImageLoadForState:state]; 268 | } 269 | 270 | @end 271 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImage+GIF.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+GIF.h 3 | // LBGIFImage 4 | // 5 | // Created by Laurin Brandner on 06.01.12. 6 | // Copyright (c) 2012 __MyCompanyName__. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface UIImage (GIF) 12 | 13 | + (UIImage *)sd_animatedGIFNamed:(NSString *)name; 14 | 15 | + (UIImage *)sd_animatedGIFWithData:(NSData *)data; 16 | 17 | - (UIImage *)sd_animatedImageByScalingAndCroppingToSize:(CGSize)size; 18 | 19 | @end 20 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImage+GIF.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+GIF.m 3 | // LBGIFImage 4 | // 5 | // Created by Laurin Brandner on 06.01.12. 6 | // Copyright (c) 2012 __MyCompanyName__. All rights reserved. 7 | // 8 | 9 | #import "UIImage+GIF.h" 10 | #import 11 | 12 | @implementation UIImage (GIF) 13 | 14 | + (UIImage *)sd_animatedGIFWithData:(NSData *)data { 15 | if (!data) { 16 | return nil; 17 | } 18 | 19 | CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef)data, NULL); 20 | 21 | size_t count = CGImageSourceGetCount(source); 22 | 23 | UIImage *animatedImage; 24 | 25 | if (count <= 1) { 26 | animatedImage = [[UIImage alloc] initWithData:data]; 27 | } 28 | else { 29 | NSMutableArray *images = [NSMutableArray array]; 30 | 31 | NSTimeInterval duration = 0.0f; 32 | 33 | for (size_t i = 0; i < count; i++) { 34 | CGImageRef image = CGImageSourceCreateImageAtIndex(source, i, NULL); 35 | if (!image) { 36 | continue; 37 | } 38 | 39 | duration += [self sd_frameDurationAtIndex:i source:source]; 40 | 41 | [images addObject:[UIImage imageWithCGImage:image scale:[UIScreen mainScreen].scale orientation:UIImageOrientationUp]]; 42 | 43 | CGImageRelease(image); 44 | } 45 | 46 | if (!duration) { 47 | duration = (1.0f / 10.0f) * count; 48 | } 49 | 50 | animatedImage = [UIImage animatedImageWithImages:images duration:duration]; 51 | } 52 | 53 | CFRelease(source); 54 | 55 | return animatedImage; 56 | } 57 | 58 | + (float)sd_frameDurationAtIndex:(NSUInteger)index source:(CGImageSourceRef)source { 59 | float frameDuration = 0.1f; 60 | CFDictionaryRef cfFrameProperties = CGImageSourceCopyPropertiesAtIndex(source, index, nil); 61 | NSDictionary *frameProperties = (__bridge NSDictionary *)cfFrameProperties; 62 | NSDictionary *gifProperties = frameProperties[(NSString *)kCGImagePropertyGIFDictionary]; 63 | 64 | NSNumber *delayTimeUnclampedProp = gifProperties[(NSString *)kCGImagePropertyGIFUnclampedDelayTime]; 65 | if (delayTimeUnclampedProp) { 66 | frameDuration = [delayTimeUnclampedProp floatValue]; 67 | } 68 | else { 69 | 70 | NSNumber *delayTimeProp = gifProperties[(NSString *)kCGImagePropertyGIFDelayTime]; 71 | if (delayTimeProp) { 72 | frameDuration = [delayTimeProp floatValue]; 73 | } 74 | } 75 | 76 | // Many annoying ads specify a 0 duration to make an image flash as quickly as possible. 77 | // We follow Firefox's behavior and use a duration of 100 ms for any frames that specify 78 | // a duration of <= 10 ms. See and 79 | // for more information. 80 | 81 | if (frameDuration < 0.011f) { 82 | frameDuration = 0.100f; 83 | } 84 | 85 | CFRelease(cfFrameProperties); 86 | return frameDuration; 87 | } 88 | 89 | + (UIImage *)sd_animatedGIFNamed:(NSString *)name { 90 | CGFloat scale = [UIScreen mainScreen].scale; 91 | 92 | if (scale > 1.0f) { 93 | NSString *retinaPath = [[NSBundle mainBundle] pathForResource:[name stringByAppendingString:@"@2x"] ofType:@"gif"]; 94 | 95 | NSData *data = [NSData dataWithContentsOfFile:retinaPath]; 96 | 97 | if (data) { 98 | return [UIImage sd_animatedGIFWithData:data]; 99 | } 100 | 101 | NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"]; 102 | 103 | data = [NSData dataWithContentsOfFile:path]; 104 | 105 | if (data) { 106 | return [UIImage sd_animatedGIFWithData:data]; 107 | } 108 | 109 | return [UIImage imageNamed:name]; 110 | } 111 | else { 112 | NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"gif"]; 113 | 114 | NSData *data = [NSData dataWithContentsOfFile:path]; 115 | 116 | if (data) { 117 | return [UIImage sd_animatedGIFWithData:data]; 118 | } 119 | 120 | return [UIImage imageNamed:name]; 121 | } 122 | } 123 | 124 | - (UIImage *)sd_animatedImageByScalingAndCroppingToSize:(CGSize)size { 125 | if (CGSizeEqualToSize(self.size, size) || CGSizeEqualToSize(size, CGSizeZero)) { 126 | return self; 127 | } 128 | 129 | CGSize scaledSize = size; 130 | CGPoint thumbnailPoint = CGPointZero; 131 | 132 | CGFloat widthFactor = size.width / self.size.width; 133 | CGFloat heightFactor = size.height / self.size.height; 134 | CGFloat scaleFactor = (widthFactor > heightFactor) ? widthFactor : heightFactor; 135 | scaledSize.width = self.size.width * scaleFactor; 136 | scaledSize.height = self.size.height * scaleFactor; 137 | 138 | if (widthFactor > heightFactor) { 139 | thumbnailPoint.y = (size.height - scaledSize.height) * 0.5; 140 | } 141 | else if (widthFactor < heightFactor) { 142 | thumbnailPoint.x = (size.width - scaledSize.width) * 0.5; 143 | } 144 | 145 | NSMutableArray *scaledImages = [NSMutableArray array]; 146 | 147 | for (UIImage *image in self.images) { 148 | UIGraphicsBeginImageContextWithOptions(size, NO, 0.0); 149 | 150 | [image drawInRect:CGRectMake(thumbnailPoint.x, thumbnailPoint.y, scaledSize.width, scaledSize.height)]; 151 | UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); 152 | 153 | [scaledImages addObject:newImage]; 154 | 155 | UIGraphicsEndImageContext(); 156 | } 157 | 158 | return [UIImage animatedImageWithImages:scaledImages duration:self.duration]; 159 | } 160 | 161 | @end 162 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImage+MultiFormat.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+MultiFormat.h 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 07/06/13. 6 | // Copyright (c) 2013 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface UIImage (MultiFormat) 12 | 13 | + (UIImage *)sd_imageWithData:(NSData *)data; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImage+MultiFormat.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+MultiFormat.m 3 | // SDWebImage 4 | // 5 | // Created by Olivier Poitrey on 07/06/13. 6 | // Copyright (c) 2013 Dailymotion. All rights reserved. 7 | // 8 | 9 | #import "UIImage+MultiFormat.h" 10 | #import "UIImage+GIF.h" 11 | #import "NSData+ImageContentType.h" 12 | #import 13 | 14 | #ifdef SD_WEBP 15 | #import "UIImage+WebP.h" 16 | #endif 17 | 18 | @implementation UIImage (MultiFormat) 19 | 20 | + (UIImage *)sd_imageWithData:(NSData *)data { 21 | if (!data) { 22 | return nil; 23 | } 24 | 25 | UIImage *image; 26 | NSString *imageContentType = [NSData sd_contentTypeForImageData:data]; 27 | if ([imageContentType isEqualToString:@"image/gif"]) { 28 | image = [UIImage sd_animatedGIFWithData:data]; 29 | } 30 | #ifdef SD_WEBP 31 | else if ([imageContentType isEqualToString:@"image/webp"]) 32 | { 33 | image = [UIImage sd_imageWithWebPData:data]; 34 | } 35 | #endif 36 | else { 37 | image = [[UIImage alloc] initWithData:data]; 38 | UIImageOrientation orientation = [self sd_imageOrientationFromImageData:data]; 39 | if (orientation != UIImageOrientationUp) { 40 | image = [UIImage imageWithCGImage:image.CGImage 41 | scale:image.scale 42 | orientation:orientation]; 43 | } 44 | } 45 | 46 | 47 | return image; 48 | } 49 | 50 | 51 | +(UIImageOrientation)sd_imageOrientationFromImageData:(NSData *)imageData { 52 | UIImageOrientation result = UIImageOrientationUp; 53 | CGImageSourceRef imageSource = CGImageSourceCreateWithData((__bridge CFDataRef)imageData, NULL); 54 | if (imageSource) { 55 | CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, NULL); 56 | if (properties) { 57 | CFTypeRef val; 58 | int exifOrientation; 59 | val = CFDictionaryGetValue(properties, kCGImagePropertyOrientation); 60 | if (val) { 61 | CFNumberGetValue(val, kCFNumberIntType, &exifOrientation); 62 | result = [self sd_exifOrientationToiOSOrientation:exifOrientation]; 63 | } // else - if it's not set it remains at up 64 | CFRelease((CFTypeRef) properties); 65 | } else { 66 | //NSLog(@"NO PROPERTIES, FAIL"); 67 | } 68 | CFRelease(imageSource); 69 | } 70 | return result; 71 | } 72 | 73 | #pragma mark EXIF orientation tag converter 74 | // Convert an EXIF image orientation to an iOS one. 75 | // reference see here: http://sylvana.net/jpegcrop/exif_orientation.html 76 | + (UIImageOrientation) sd_exifOrientationToiOSOrientation:(int)exifOrientation { 77 | UIImageOrientation orientation = UIImageOrientationUp; 78 | switch (exifOrientation) { 79 | case 1: 80 | orientation = UIImageOrientationUp; 81 | break; 82 | 83 | case 3: 84 | orientation = UIImageOrientationDown; 85 | break; 86 | 87 | case 8: 88 | orientation = UIImageOrientationLeft; 89 | break; 90 | 91 | case 6: 92 | orientation = UIImageOrientationRight; 93 | break; 94 | 95 | case 2: 96 | orientation = UIImageOrientationUpMirrored; 97 | break; 98 | 99 | case 4: 100 | orientation = UIImageOrientationDownMirrored; 101 | break; 102 | 103 | case 5: 104 | orientation = UIImageOrientationLeftMirrored; 105 | break; 106 | 107 | case 7: 108 | orientation = UIImageOrientationRightMirrored; 109 | break; 110 | default: 111 | break; 112 | } 113 | return orientation; 114 | } 115 | 116 | 117 | 118 | @end 119 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImageView+HighlightedWebCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageCompat.h" 11 | #import "SDWebImageManager.h" 12 | 13 | /** 14 | * Integrates SDWebImage async downloading and caching of remote images with UIImageView for highlighted state. 15 | */ 16 | @interface UIImageView (HighlightedWebCache) 17 | 18 | /** 19 | * Set the imageView `highlightedImage` with an `url`. 20 | * 21 | * The download is asynchronous and cached. 22 | * 23 | * @param url The url for the image. 24 | */ 25 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url; 26 | 27 | /** 28 | * Set the imageView `highlightedImage` with an `url` and custom options. 29 | * 30 | * The download is asynchronous and cached. 31 | * 32 | * @param url The url for the image. 33 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 34 | */ 35 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options; 36 | 37 | /** 38 | * Set the imageView `highlightedImage` with an `url`. 39 | * 40 | * The download is asynchronous and cached. 41 | * 42 | * @param url The url for the image. 43 | * @param completedBlock A block called when operation has been completed. This block has no return value 44 | * and takes the requested UIImage as first parameter. In case of error the image parameter 45 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 46 | * indicating if the image was retrieved from the local cache or from the network. 47 | * The fourth parameter is the original image url. 48 | */ 49 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock; 50 | 51 | /** 52 | * Set the imageView `highlightedImage` with an `url` and custom options. 53 | * 54 | * The download is asynchronous and cached. 55 | * 56 | * @param url The url for the image. 57 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 58 | * @param completedBlock A block called when operation has been completed. This block has no return value 59 | * and takes the requested UIImage as first parameter. In case of error the image parameter 60 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 61 | * indicating if the image was retrieved from the local cache or from the network. 62 | * The fourth parameter is the original image url. 63 | */ 64 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 65 | 66 | /** 67 | * Set the imageView `highlightedImage` with an `url` and custom options. 68 | * 69 | * The download is asynchronous and cached. 70 | * 71 | * @param url The url for the image. 72 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 73 | * @param progressBlock A block called while image is downloading 74 | * @param completedBlock A block called when operation has been completed. This block has no return value 75 | * and takes the requested UIImage as first parameter. In case of error the image parameter 76 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 77 | * indicating if the image was retrieved from the local cache or from the network. 78 | * The fourth parameter is the original image url. 79 | */ 80 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock; 81 | 82 | /** 83 | * Cancel the current download 84 | */ 85 | - (void)sd_cancelCurrentHighlightedImageLoad; 86 | 87 | @end 88 | 89 | 90 | @interface UIImageView (HighlightedWebCacheDeprecated) 91 | 92 | - (void)setHighlightedImageWithURL:(NSURL *)url __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:`"); 93 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:options:`"); 94 | - (void)setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:completed:`"); 95 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:options:completed:`"); 96 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setHighlightedImageWithURL:options:progress:completed:`"); 97 | 98 | - (void)cancelCurrentHighlightedImageLoad __deprecated_msg("Use `sd_cancelCurrentHighlightedImageLoad`"); 99 | 100 | @end 101 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImageView+HighlightedWebCache.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIImageView+HighlightedWebCache.h" 10 | #import "UIView+WebCacheOperation.h" 11 | 12 | #define UIImageViewHighlightedWebCacheOperationKey @"highlightedImage" 13 | 14 | @implementation UIImageView (HighlightedWebCache) 15 | 16 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url { 17 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:nil]; 18 | } 19 | 20 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options { 21 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:nil]; 22 | } 23 | 24 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock { 25 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:completedBlock]; 26 | } 27 | 28 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 29 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:completedBlock]; 30 | } 31 | 32 | - (void)sd_setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 33 | [self sd_cancelCurrentHighlightedImageLoad]; 34 | 35 | if (url) { 36 | __weak __typeof(self)wself = self; 37 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 38 | if (!wself) return; 39 | dispatch_main_sync_safe (^ 40 | { 41 | if (!wself) return; 42 | if (image && (options & SDWebImageAvoidAutoSetImage) && completedBlock) 43 | { 44 | completedBlock(image, error, cacheType, url); 45 | return; 46 | } 47 | else if (image) { 48 | wself.highlightedImage = image; 49 | [wself setNeedsLayout]; 50 | } 51 | if (completedBlock && finished) { 52 | completedBlock(image, error, cacheType, url); 53 | } 54 | }); 55 | }]; 56 | [self sd_setImageLoadOperation:operation forKey:UIImageViewHighlightedWebCacheOperationKey]; 57 | } else { 58 | dispatch_main_async_safe(^{ 59 | NSError *error = [NSError errorWithDomain:SDWebImageErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 60 | if (completedBlock) { 61 | completedBlock(nil, error, SDImageCacheTypeNone, url); 62 | } 63 | }); 64 | } 65 | } 66 | 67 | - (void)sd_cancelCurrentHighlightedImageLoad { 68 | [self sd_cancelImageLoadOperationWithKey:UIImageViewHighlightedWebCacheOperationKey]; 69 | } 70 | 71 | @end 72 | 73 | 74 | @implementation UIImageView (HighlightedWebCacheDeprecated) 75 | 76 | - (void)setHighlightedImageWithURL:(NSURL *)url { 77 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:nil]; 78 | } 79 | 80 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options { 81 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:nil]; 82 | } 83 | 84 | - (void)setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock { 85 | [self sd_setHighlightedImageWithURL:url options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 86 | if (completedBlock) { 87 | completedBlock(image, error, cacheType); 88 | } 89 | }]; 90 | } 91 | 92 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 93 | [self sd_setHighlightedImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 94 | if (completedBlock) { 95 | completedBlock(image, error, cacheType); 96 | } 97 | }]; 98 | } 99 | 100 | - (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock { 101 | [self sd_setHighlightedImageWithURL:url options:0 progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 102 | if (completedBlock) { 103 | completedBlock(image, error, cacheType); 104 | } 105 | }]; 106 | } 107 | 108 | - (void)cancelCurrentHighlightedImageLoad { 109 | [self sd_cancelCurrentHighlightedImageLoad]; 110 | } 111 | 112 | @end 113 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImageView+WebCache.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "SDWebImageCompat.h" 10 | #import "SDWebImageManager.h" 11 | 12 | /** 13 | * Integrates SDWebImage async downloading and caching of remote images with UIImageView. 14 | * 15 | * Usage with a UITableViewCell sub-class: 16 | * 17 | * @code 18 | 19 | #import 20 | 21 | ... 22 | 23 | - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 24 | { 25 | static NSString *MyIdentifier = @"MyIdentifier"; 26 | 27 | UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier]; 28 | 29 | if (cell == nil) { 30 | cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:MyIdentifier] 31 | autorelease]; 32 | } 33 | 34 | // Here we use the provided sd_setImageWithURL: method to load the web image 35 | // Ensure you use a placeholder image otherwise cells will be initialized with no image 36 | [cell.imageView sd_setImageWithURL:[NSURL URLWithString:@"http://example.com/image.jpg"] 37 | placeholderImage:[UIImage imageNamed:@"placeholder"]]; 38 | 39 | cell.textLabel.text = @"My Text"; 40 | return cell; 41 | } 42 | 43 | * @endcode 44 | */ 45 | @interface UIImageView (WebCache) 46 | 47 | /** 48 | * Get the current image URL. 49 | * 50 | * Note that because of the limitations of categories this property can get out of sync 51 | * if you use sd_setImage: directly. 52 | */ 53 | - (NSURL *)sd_imageURL; 54 | 55 | /** 56 | * Set the imageView `image` with an `url`. 57 | * 58 | * The download is asynchronous and cached. 59 | * 60 | * @param url The url for the image. 61 | */ 62 | - (void)sd_setImageWithURL:(NSURL *)url; 63 | 64 | /** 65 | * Set the imageView `image` with an `url` and a placeholder. 66 | * 67 | * The download is asynchronous and cached. 68 | * 69 | * @param url The url for the image. 70 | * @param placeholder The image to be set initially, until the image request finishes. 71 | * @see sd_setImageWithURL:placeholderImage:options: 72 | */ 73 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder; 74 | 75 | /** 76 | * Set the imageView `image` with an `url`, placeholder and custom options. 77 | * 78 | * The download is asynchronous and cached. 79 | * 80 | * @param url The url for the image. 81 | * @param placeholder The image to be set initially, until the image request finishes. 82 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 83 | */ 84 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options; 85 | 86 | /** 87 | * Set the imageView `image` with an `url`. 88 | * 89 | * The download is asynchronous and cached. 90 | * 91 | * @param url The url for the image. 92 | * @param completedBlock A block called when operation has been completed. This block has no return value 93 | * and takes the requested UIImage as first parameter. In case of error the image parameter 94 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 95 | * indicating if the image was retrieved from the local cache or from the network. 96 | * The fourth parameter is the original image url. 97 | */ 98 | - (void)sd_setImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock; 99 | 100 | /** 101 | * Set the imageView `image` with an `url`, placeholder. 102 | * 103 | * The download is asynchronous and cached. 104 | * 105 | * @param url The url for the image. 106 | * @param placeholder The image to be set initially, until the image request finishes. 107 | * @param completedBlock A block called when operation has been completed. This block has no return value 108 | * and takes the requested UIImage as first parameter. In case of error the image parameter 109 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 110 | * indicating if the image was retrieved from the local cache or from the network. 111 | * The fourth parameter is the original image url. 112 | */ 113 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock; 114 | 115 | /** 116 | * Set the imageView `image` with an `url`, placeholder and custom options. 117 | * 118 | * The download is asynchronous and cached. 119 | * 120 | * @param url The url for the image. 121 | * @param placeholder The image to be set initially, until the image request finishes. 122 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 123 | * @param completedBlock A block called when operation has been completed. This block has no return value 124 | * and takes the requested UIImage as first parameter. In case of error the image parameter 125 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 126 | * indicating if the image was retrieved from the local cache or from the network. 127 | * The fourth parameter is the original image url. 128 | */ 129 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock; 130 | 131 | /** 132 | * Set the imageView `image` with an `url`, placeholder and custom options. 133 | * 134 | * The download is asynchronous and cached. 135 | * 136 | * @param url The url for the image. 137 | * @param placeholder The image to be set initially, until the image request finishes. 138 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 139 | * @param progressBlock A block called while image is downloading 140 | * @param completedBlock A block called when operation has been completed. This block has no return value 141 | * and takes the requested UIImage as first parameter. In case of error the image parameter 142 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 143 | * indicating if the image was retrieved from the local cache or from the network. 144 | * The fourth parameter is the original image url. 145 | */ 146 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock; 147 | 148 | /** 149 | * Set the imageView `image` with an `url` and optionally a placeholder image. 150 | * 151 | * The download is asynchronous and cached. 152 | * 153 | * @param url The url for the image. 154 | * @param placeholder The image to be set initially, until the image request finishes. 155 | * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values. 156 | * @param progressBlock A block called while image is downloading 157 | * @param completedBlock A block called when operation has been completed. This block has no return value 158 | * and takes the requested UIImage as first parameter. In case of error the image parameter 159 | * is nil and the second parameter may contain an NSError. The third parameter is a Boolean 160 | * indicating if the image was retrieved from the local cache or from the network. 161 | * The fourth parameter is the original image url. 162 | */ 163 | - (void)sd_setImageWithPreviousCachedImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock; 164 | 165 | /** 166 | * Download an array of images and starts them in an animation loop 167 | * 168 | * @param arrayOfURLs An array of NSURL 169 | */ 170 | - (void)sd_setAnimationImagesWithURLs:(NSArray *)arrayOfURLs; 171 | 172 | /** 173 | * Cancel the current download 174 | */ 175 | - (void)sd_cancelCurrentImageLoad; 176 | 177 | - (void)sd_cancelCurrentAnimationImagesLoad; 178 | 179 | /** 180 | * Show activity UIActivityIndicatorView 181 | */ 182 | - (void)setShowActivityIndicatorView:(BOOL)show; 183 | 184 | /** 185 | * set desired UIActivityIndicatorViewStyle 186 | * 187 | * @param style The style of the UIActivityIndicatorView 188 | */ 189 | - (void)setIndicatorStyle:(UIActivityIndicatorViewStyle)style; 190 | 191 | @end 192 | 193 | 194 | @interface UIImageView (WebCacheDeprecated) 195 | 196 | - (NSURL *)imageURL __deprecated_msg("Use `sd_imageURL`"); 197 | 198 | - (void)setImageWithURL:(NSURL *)url __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:`"); 199 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:`"); 200 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options`"); 201 | 202 | - (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:completed:`"); 203 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:completed:`"); 204 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options:completed:`"); 205 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithURL:placeholderImage:options:progress:completed:`"); 206 | 207 | - (void)sd_setImageWithPreviousCachedImageWithURL:(NSURL *)url andPlaceholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock __deprecated_msg("Method deprecated. Use `sd_setImageWithPreviousCachedImageWithURL:placeholderImage:options:progress:completed:`"); 208 | 209 | - (void)setAnimationImagesWithURLs:(NSArray *)arrayOfURLs __deprecated_msg("Use `sd_setAnimationImagesWithURLs:`"); 210 | 211 | - (void)cancelCurrentArrayLoad __deprecated_msg("Use `sd_cancelCurrentAnimationImagesLoad`"); 212 | 213 | - (void)cancelCurrentImageLoad __deprecated_msg("Use `sd_cancelCurrentImageLoad`"); 214 | 215 | @end 216 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIImageView+WebCache.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIImageView+WebCache.h" 10 | #import "objc/runtime.h" 11 | #import "UIView+WebCacheOperation.h" 12 | 13 | static char imageURLKey; 14 | static char TAG_ACTIVITY_INDICATOR; 15 | static char TAG_ACTIVITY_STYLE; 16 | static char TAG_ACTIVITY_SHOW; 17 | 18 | @implementation UIImageView (WebCache) 19 | 20 | - (void)sd_setImageWithURL:(NSURL *)url { 21 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil]; 22 | } 23 | 24 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder { 25 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil]; 26 | } 27 | 28 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 29 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil]; 30 | } 31 | 32 | - (void)sd_setImageWithURL:(NSURL *)url completed:(SDWebImageCompletionBlock)completedBlock { 33 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:completedBlock]; 34 | } 35 | 36 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletionBlock)completedBlock { 37 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:completedBlock]; 38 | } 39 | 40 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletionBlock)completedBlock { 41 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:completedBlock]; 42 | } 43 | 44 | - (void)sd_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 45 | [self sd_cancelCurrentImageLoad]; 46 | objc_setAssociatedObject(self, &imageURLKey, url, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 47 | 48 | if (!(options & SDWebImageDelayPlaceholder)) { 49 | dispatch_main_async_safe(^{ 50 | self.image = placeholder; 51 | }); 52 | } 53 | 54 | if (url) { 55 | 56 | // check if activityView is enabled or not 57 | if ([self showActivityIndicatorView]) { 58 | [self addActivityIndicator]; 59 | } 60 | 61 | __weak __typeof(self)wself = self; 62 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:url options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 63 | [wself removeActivityIndicator]; 64 | if (!wself) return; 65 | dispatch_main_sync_safe(^{ 66 | if (!wself) return; 67 | if (image && (options & SDWebImageAvoidAutoSetImage) && completedBlock) 68 | { 69 | completedBlock(image, error, cacheType, url); 70 | return; 71 | } 72 | else if (image) { 73 | wself.image = image; 74 | [wself setNeedsLayout]; 75 | } else { 76 | if ((options & SDWebImageDelayPlaceholder)) { 77 | wself.image = placeholder; 78 | [wself setNeedsLayout]; 79 | } 80 | } 81 | if (completedBlock && finished) { 82 | completedBlock(image, error, cacheType, url); 83 | } 84 | }); 85 | }]; 86 | [self sd_setImageLoadOperation:operation forKey:@"UIImageViewImageLoad"]; 87 | } else { 88 | dispatch_main_async_safe(^{ 89 | [self removeActivityIndicator]; 90 | if (completedBlock) { 91 | NSError *error = [NSError errorWithDomain:SDWebImageErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}]; 92 | completedBlock(nil, error, SDImageCacheTypeNone, url); 93 | } 94 | }); 95 | } 96 | } 97 | 98 | - (void)sd_setImageWithPreviousCachedImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 99 | NSString *key = [[SDWebImageManager sharedManager] cacheKeyForURL:url]; 100 | UIImage *lastPreviousCachedImage = [[SDImageCache sharedImageCache] imageFromDiskCacheForKey:key]; 101 | 102 | [self sd_setImageWithURL:url placeholderImage:lastPreviousCachedImage ?: placeholder options:options progress:progressBlock completed:completedBlock]; 103 | } 104 | 105 | - (NSURL *)sd_imageURL { 106 | return objc_getAssociatedObject(self, &imageURLKey); 107 | } 108 | 109 | - (void)sd_setAnimationImagesWithURLs:(NSArray *)arrayOfURLs { 110 | [self sd_cancelCurrentAnimationImagesLoad]; 111 | __weak __typeof(self)wself = self; 112 | 113 | NSMutableArray *operationsArray = [[NSMutableArray alloc] init]; 114 | 115 | for (NSURL *logoImageURL in arrayOfURLs) { 116 | id operation = [SDWebImageManager.sharedManager downloadImageWithURL:logoImageURL options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) { 117 | if (!wself) return; 118 | dispatch_main_sync_safe(^{ 119 | __strong UIImageView *sself = wself; 120 | [sself stopAnimating]; 121 | if (sself && image) { 122 | NSMutableArray *currentImages = [[sself animationImages] mutableCopy]; 123 | if (!currentImages) { 124 | currentImages = [[NSMutableArray alloc] init]; 125 | } 126 | [currentImages addObject:image]; 127 | 128 | sself.animationImages = currentImages; 129 | [sself setNeedsLayout]; 130 | } 131 | [sself startAnimating]; 132 | }); 133 | }]; 134 | [operationsArray addObject:operation]; 135 | } 136 | 137 | [self sd_setImageLoadOperation:[NSArray arrayWithArray:operationsArray] forKey:@"UIImageViewAnimationImages"]; 138 | } 139 | 140 | - (void)sd_cancelCurrentImageLoad { 141 | [self sd_cancelImageLoadOperationWithKey:@"UIImageViewImageLoad"]; 142 | } 143 | 144 | - (void)sd_cancelCurrentAnimationImagesLoad { 145 | [self sd_cancelImageLoadOperationWithKey:@"UIImageViewAnimationImages"]; 146 | } 147 | 148 | 149 | #pragma mark - 150 | - (UIActivityIndicatorView *)activityIndicator { 151 | return (UIActivityIndicatorView *)objc_getAssociatedObject(self, &TAG_ACTIVITY_INDICATOR); 152 | } 153 | 154 | - (void)setActivityIndicator:(UIActivityIndicatorView *)activityIndicator { 155 | objc_setAssociatedObject(self, &TAG_ACTIVITY_INDICATOR, activityIndicator, OBJC_ASSOCIATION_RETAIN); 156 | } 157 | 158 | - (void)setShowActivityIndicatorView:(BOOL)show{ 159 | objc_setAssociatedObject(self, &TAG_ACTIVITY_SHOW, [NSNumber numberWithBool:show], OBJC_ASSOCIATION_RETAIN); 160 | } 161 | 162 | - (BOOL)showActivityIndicatorView{ 163 | return [objc_getAssociatedObject(self, &TAG_ACTIVITY_SHOW) boolValue]; 164 | } 165 | 166 | - (void)setIndicatorStyle:(UIActivityIndicatorViewStyle)style{ 167 | objc_setAssociatedObject(self, &TAG_ACTIVITY_STYLE, [NSNumber numberWithInt:style], OBJC_ASSOCIATION_RETAIN); 168 | } 169 | 170 | - (int)getIndicatorStyle{ 171 | return [objc_getAssociatedObject(self, &TAG_ACTIVITY_STYLE) intValue]; 172 | } 173 | 174 | - (void)addActivityIndicator { 175 | if (!self.activityIndicator) { 176 | self.activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:[self getIndicatorStyle]]; 177 | self.activityIndicator.translatesAutoresizingMaskIntoConstraints = NO; 178 | 179 | dispatch_main_async_safe(^{ 180 | [self addSubview:self.activityIndicator]; 181 | 182 | [self addConstraint:[NSLayoutConstraint constraintWithItem:self.activityIndicator 183 | attribute:NSLayoutAttributeCenterX 184 | relatedBy:NSLayoutRelationEqual 185 | toItem:self 186 | attribute:NSLayoutAttributeCenterX 187 | multiplier:1.0 188 | constant:0.0]]; 189 | [self addConstraint:[NSLayoutConstraint constraintWithItem:self.activityIndicator 190 | attribute:NSLayoutAttributeCenterY 191 | relatedBy:NSLayoutRelationEqual 192 | toItem:self 193 | attribute:NSLayoutAttributeCenterY 194 | multiplier:1.0 195 | constant:0.0]]; 196 | }); 197 | } 198 | 199 | dispatch_main_async_safe(^{ 200 | [self.activityIndicator startAnimating]; 201 | }); 202 | 203 | } 204 | 205 | - (void)removeActivityIndicator { 206 | if (self.activityIndicator) { 207 | [self.activityIndicator removeFromSuperview]; 208 | self.activityIndicator = nil; 209 | } 210 | } 211 | 212 | @end 213 | 214 | 215 | @implementation UIImageView (WebCacheDeprecated) 216 | 217 | - (NSURL *)imageURL { 218 | return [self sd_imageURL]; 219 | } 220 | 221 | - (void)setImageWithURL:(NSURL *)url { 222 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:nil]; 223 | } 224 | 225 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder { 226 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:nil]; 227 | } 228 | 229 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options { 230 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:nil]; 231 | } 232 | 233 | - (void)setImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock { 234 | [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 235 | if (completedBlock) { 236 | completedBlock(image, error, cacheType); 237 | } 238 | }]; 239 | } 240 | 241 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock { 242 | [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 243 | if (completedBlock) { 244 | completedBlock(image, error, cacheType); 245 | } 246 | }]; 247 | } 248 | 249 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock { 250 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 251 | if (completedBlock) { 252 | completedBlock(image, error, cacheType); 253 | } 254 | }]; 255 | } 256 | 257 | - (void)setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock { 258 | [self sd_setImageWithURL:url placeholderImage:placeholder options:options progress:progressBlock completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { 259 | if (completedBlock) { 260 | completedBlock(image, error, cacheType); 261 | } 262 | }]; 263 | } 264 | 265 | - (void)sd_setImageWithPreviousCachedImageWithURL:(NSURL *)url andPlaceholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletionBlock)completedBlock { 266 | [self sd_setImageWithPreviousCachedImageWithURL:url placeholderImage:placeholder options:options progress:progressBlock completed:completedBlock]; 267 | } 268 | 269 | - (void)cancelCurrentArrayLoad { 270 | [self sd_cancelCurrentAnimationImagesLoad]; 271 | } 272 | 273 | - (void)cancelCurrentImageLoad { 274 | [self sd_cancelCurrentImageLoad]; 275 | } 276 | 277 | - (void)setAnimationImagesWithURLs:(NSArray *)arrayOfURLs { 278 | [self sd_setAnimationImagesWithURLs:arrayOfURLs]; 279 | } 280 | 281 | @end 282 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIView+WebCacheOperation.h: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import 10 | #import "SDWebImageManager.h" 11 | 12 | @interface UIView (WebCacheOperation) 13 | 14 | /** 15 | * Set the image load operation (storage in a UIView based dictionary) 16 | * 17 | * @param operation the operation 18 | * @param key key for storing the operation 19 | */ 20 | - (void)sd_setImageLoadOperation:(id)operation forKey:(NSString *)key; 21 | 22 | /** 23 | * Cancel all operations for the current UIView and key 24 | * 25 | * @param key key for identifying the operations 26 | */ 27 | - (void)sd_cancelImageLoadOperationWithKey:(NSString *)key; 28 | 29 | /** 30 | * Just remove the operations corresponding to the current UIView and key without cancelling them 31 | * 32 | * @param key key for identifying the operations 33 | */ 34 | - (void)sd_removeImageLoadOperationWithKey:(NSString *)key; 35 | 36 | @end 37 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/SDWebImage/SDWebImage/UIView+WebCacheOperation.m: -------------------------------------------------------------------------------- 1 | /* 2 | * This file is part of the SDWebImage package. 3 | * (c) Olivier Poitrey 4 | * 5 | * For the full copyright and license information, please view the LICENSE 6 | * file that was distributed with this source code. 7 | */ 8 | 9 | #import "UIView+WebCacheOperation.h" 10 | #import "objc/runtime.h" 11 | 12 | static char loadOperationKey; 13 | 14 | @implementation UIView (WebCacheOperation) 15 | 16 | - (NSMutableDictionary *)operationDictionary { 17 | NSMutableDictionary *operations = objc_getAssociatedObject(self, &loadOperationKey); 18 | if (operations) { 19 | return operations; 20 | } 21 | operations = [NSMutableDictionary dictionary]; 22 | objc_setAssociatedObject(self, &loadOperationKey, operations, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 23 | return operations; 24 | } 25 | 26 | - (void)sd_setImageLoadOperation:(id)operation forKey:(NSString *)key { 27 | [self sd_cancelImageLoadOperationWithKey:key]; 28 | NSMutableDictionary *operationDictionary = [self operationDictionary]; 29 | [operationDictionary setObject:operation forKey:key]; 30 | } 31 | 32 | - (void)sd_cancelImageLoadOperationWithKey:(NSString *)key { 33 | // Cancel in progress downloader from queue 34 | NSMutableDictionary *operationDictionary = [self operationDictionary]; 35 | id operations = [operationDictionary objectForKey:key]; 36 | if (operations) { 37 | if ([operations isKindOfClass:[NSArray class]]) { 38 | for (id operation in operations) { 39 | if (operation) { 40 | [operation cancel]; 41 | } 42 | } 43 | } else if ([operations conformsToProtocol:@protocol(SDWebImageOperation)]){ 44 | [(id) operations cancel]; 45 | } 46 | [operationDictionary removeObjectForKey:key]; 47 | } 48 | } 49 | 50 | - (void)sd_removeImageLoadOperationWithKey:(NSString *)key { 51 | NSMutableDictionary *operationDictionary = [self operationDictionary]; 52 | [operationDictionary removeObjectForKey:key]; 53 | } 54 | 55 | @end 56 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout-acknowledgements.markdown: -------------------------------------------------------------------------------- 1 | # Acknowledgements 2 | This application makes use of the following third party libraries: 3 | 4 | ## SDWebImage 5 | 6 | Copyright (c) 2016 Olivier Poitrey rs@dailymotion.com 7 | 8 | Permission is hereby granted, free of charge, to any person obtaining a copy 9 | of this software and associated documentation files (the "Software"), to deal 10 | in the Software without restriction, including without limitation the rights 11 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 | copies of the Software, and to permit persons to whom the Software is furnished 13 | to do so, subject to the following conditions: 14 | 15 | The above copyright notice and this permission notice shall be included in all 16 | copies or substantial portions of the Software. 17 | 18 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24 | THE SOFTWARE. 25 | 26 | 27 | Generated by CocoaPods - https://cocoapods.org 28 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout-acknowledgements.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreferenceSpecifiers 6 | 7 | 8 | FooterText 9 | This application makes use of the following third party libraries: 10 | Title 11 | Acknowledgements 12 | Type 13 | PSGroupSpecifier 14 | 15 | 16 | FooterText 17 | Copyright (c) 2016 Olivier Poitrey rs@dailymotion.com 18 | 19 | Permission is hereby granted, free of charge, to any person obtaining a copy 20 | of this software and associated documentation files (the "Software"), to deal 21 | in the Software without restriction, including without limitation the rights 22 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 23 | copies of the Software, and to permit persons to whom the Software is furnished 24 | to do so, subject to the following conditions: 25 | 26 | The above copyright notice and this permission notice shall be included in all 27 | copies or substantial portions of the Software. 28 | 29 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 30 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 31 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 32 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 33 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 34 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 35 | THE SOFTWARE. 36 | 37 | 38 | License 39 | MIT 40 | Title 41 | SDWebImage 42 | Type 43 | PSGroupSpecifier 44 | 45 | 46 | FooterText 47 | Generated by CocoaPods - https://cocoapods.org 48 | Title 49 | 50 | Type 51 | PSGroupSpecifier 52 | 53 | 54 | StringsTable 55 | Acknowledgements 56 | Title 57 | Acknowledgements 58 | 59 | 60 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout-dummy.m: -------------------------------------------------------------------------------- 1 | #import 2 | @interface PodsDummy_Pods_CollectionViewLayout : NSObject 3 | @end 4 | @implementation PodsDummy_Pods_CollectionViewLayout 5 | @end 6 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout-frameworks.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | set -e 3 | 4 | echo "mkdir -p ${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 5 | mkdir -p "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 6 | 7 | SWIFT_STDLIB_PATH="${DT_TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}" 8 | 9 | install_framework() 10 | { 11 | if [ -r "${BUILT_PRODUCTS_DIR}/$1" ]; then 12 | local source="${BUILT_PRODUCTS_DIR}/$1" 13 | elif [ -r "${BUILT_PRODUCTS_DIR}/$(basename "$1")" ]; then 14 | local source="${BUILT_PRODUCTS_DIR}/$(basename "$1")" 15 | elif [ -r "$1" ]; then 16 | local source="$1" 17 | fi 18 | 19 | local destination="${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 20 | 21 | if [ -L "${source}" ]; then 22 | echo "Symlinked..." 23 | source="$(readlink "${source}")" 24 | fi 25 | 26 | # use filter instead of exclude so missing patterns dont' throw errors 27 | echo "rsync -av --filter \"- CVS/\" --filter \"- .svn/\" --filter \"- .git/\" --filter \"- .hg/\" --filter \"- Headers\" --filter \"- PrivateHeaders\" --filter \"- Modules\" \"${source}\" \"${destination}\"" 28 | rsync -av --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- Headers" --filter "- PrivateHeaders" --filter "- Modules" "${source}" "${destination}" 29 | 30 | local basename 31 | basename="$(basename -s .framework "$1")" 32 | binary="${destination}/${basename}.framework/${basename}" 33 | if ! [ -r "$binary" ]; then 34 | binary="${destination}/${basename}" 35 | fi 36 | 37 | # Strip invalid architectures so "fat" simulator / device frameworks work on device 38 | if [[ "$(file "$binary")" == *"dynamically linked shared library"* ]]; then 39 | strip_invalid_archs "$binary" 40 | fi 41 | 42 | # Resign the code if required by the build settings to avoid unstable apps 43 | code_sign_if_enabled "${destination}/$(basename "$1")" 44 | 45 | # Embed linked Swift runtime libraries. No longer necessary as of Xcode 7. 46 | if [ "${XCODE_VERSION_MAJOR}" -lt 7 ]; then 47 | local swift_runtime_libs 48 | swift_runtime_libs=$(xcrun otool -LX "$binary" | grep --color=never @rpath/libswift | sed -E s/@rpath\\/\(.+dylib\).*/\\1/g | uniq -u && exit ${PIPESTATUS[0]}) 49 | for lib in $swift_runtime_libs; do 50 | echo "rsync -auv \"${SWIFT_STDLIB_PATH}/${lib}\" \"${destination}\"" 51 | rsync -auv "${SWIFT_STDLIB_PATH}/${lib}" "${destination}" 52 | code_sign_if_enabled "${destination}/${lib}" 53 | done 54 | fi 55 | } 56 | 57 | # Signs a framework with the provided identity 58 | code_sign_if_enabled() { 59 | if [ -n "${EXPANDED_CODE_SIGN_IDENTITY}" -a "${CODE_SIGNING_REQUIRED}" != "NO" -a "${CODE_SIGNING_ALLOWED}" != "NO" ]; then 60 | # Use the current code_sign_identitiy 61 | echo "Code Signing $1 with Identity ${EXPANDED_CODE_SIGN_IDENTITY_NAME}" 62 | echo "/usr/bin/codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS} --preserve-metadata=identifier,entitlements \"$1\"" 63 | /usr/bin/codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS} --preserve-metadata=identifier,entitlements "$1" 64 | fi 65 | } 66 | 67 | # Strip invalid architectures 68 | strip_invalid_archs() { 69 | binary="$1" 70 | # Get architectures for current file 71 | archs="$(lipo -info "$binary" | rev | cut -d ':' -f1 | rev)" 72 | stripped="" 73 | for arch in $archs; do 74 | if ! [[ "${VALID_ARCHS}" == *"$arch"* ]]; then 75 | # Strip non-valid architectures in-place 76 | lipo -remove "$arch" -output "$binary" "$binary" || exit 1 77 | stripped="$stripped $arch" 78 | fi 79 | done 80 | if [[ "$stripped" ]]; then 81 | echo "Stripped $binary of architectures:$stripped" 82 | fi 83 | } 84 | 85 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout-resources.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | set -e 3 | 4 | mkdir -p "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}" 5 | 6 | RESOURCES_TO_COPY=${PODS_ROOT}/resources-to-copy-${TARGETNAME}.txt 7 | > "$RESOURCES_TO_COPY" 8 | 9 | XCASSET_FILES=() 10 | 11 | case "${TARGETED_DEVICE_FAMILY}" in 12 | 1,2) 13 | TARGET_DEVICE_ARGS="--target-device ipad --target-device iphone" 14 | ;; 15 | 1) 16 | TARGET_DEVICE_ARGS="--target-device iphone" 17 | ;; 18 | 2) 19 | TARGET_DEVICE_ARGS="--target-device ipad" 20 | ;; 21 | *) 22 | TARGET_DEVICE_ARGS="--target-device mac" 23 | ;; 24 | esac 25 | 26 | install_resource() 27 | { 28 | if [[ "$1" = /* ]] ; then 29 | RESOURCE_PATH="$1" 30 | else 31 | RESOURCE_PATH="${PODS_ROOT}/$1" 32 | fi 33 | if [[ ! -e "$RESOURCE_PATH" ]] ; then 34 | cat << EOM 35 | error: Resource "$RESOURCE_PATH" not found. Run 'pod install' to update the copy resources script. 36 | EOM 37 | exit 1 38 | fi 39 | case $RESOURCE_PATH in 40 | *.storyboard) 41 | echo "ibtool --reference-external-strings-file --errors --warnings --notices --minimum-deployment-target ${!DEPLOYMENT_TARGET_SETTING_NAME} --output-format human-readable-text --compile ${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename \"$RESOURCE_PATH\" .storyboard`.storyboardc $RESOURCE_PATH --sdk ${SDKROOT} ${TARGET_DEVICE_ARGS}" 42 | ibtool --reference-external-strings-file --errors --warnings --notices --minimum-deployment-target ${!DEPLOYMENT_TARGET_SETTING_NAME} --output-format human-readable-text --compile "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename \"$RESOURCE_PATH\" .storyboard`.storyboardc" "$RESOURCE_PATH" --sdk "${SDKROOT}" ${TARGET_DEVICE_ARGS} 43 | ;; 44 | *.xib) 45 | echo "ibtool --reference-external-strings-file --errors --warnings --notices --minimum-deployment-target ${!DEPLOYMENT_TARGET_SETTING_NAME} --output-format human-readable-text --compile ${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename \"$RESOURCE_PATH\" .xib`.nib $RESOURCE_PATH --sdk ${SDKROOT} ${TARGET_DEVICE_ARGS}" 46 | ibtool --reference-external-strings-file --errors --warnings --notices --minimum-deployment-target ${!DEPLOYMENT_TARGET_SETTING_NAME} --output-format human-readable-text --compile "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename \"$RESOURCE_PATH\" .xib`.nib" "$RESOURCE_PATH" --sdk "${SDKROOT}" ${TARGET_DEVICE_ARGS} 47 | ;; 48 | *.framework) 49 | echo "mkdir -p ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 50 | mkdir -p "${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 51 | echo "rsync -av $RESOURCE_PATH ${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 52 | rsync -av "$RESOURCE_PATH" "${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}" 53 | ;; 54 | *.xcdatamodel) 55 | echo "xcrun momc \"$RESOURCE_PATH\" \"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename "$RESOURCE_PATH"`.mom\"" 56 | xcrun momc "$RESOURCE_PATH" "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename "$RESOURCE_PATH" .xcdatamodel`.mom" 57 | ;; 58 | *.xcdatamodeld) 59 | echo "xcrun momc \"$RESOURCE_PATH\" \"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename "$RESOURCE_PATH" .xcdatamodeld`.momd\"" 60 | xcrun momc "$RESOURCE_PATH" "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename "$RESOURCE_PATH" .xcdatamodeld`.momd" 61 | ;; 62 | *.xcmappingmodel) 63 | echo "xcrun mapc \"$RESOURCE_PATH\" \"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename "$RESOURCE_PATH" .xcmappingmodel`.cdm\"" 64 | xcrun mapc "$RESOURCE_PATH" "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/`basename "$RESOURCE_PATH" .xcmappingmodel`.cdm" 65 | ;; 66 | *.xcassets) 67 | ABSOLUTE_XCASSET_FILE="$RESOURCE_PATH" 68 | XCASSET_FILES+=("$ABSOLUTE_XCASSET_FILE") 69 | ;; 70 | *) 71 | echo "$RESOURCE_PATH" 72 | echo "$RESOURCE_PATH" >> "$RESOURCES_TO_COPY" 73 | ;; 74 | esac 75 | } 76 | 77 | mkdir -p "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}" 78 | rsync -avr --copy-links --no-relative --exclude '*/.svn/*' --files-from="$RESOURCES_TO_COPY" / "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}" 79 | if [[ "${ACTION}" == "install" ]] && [[ "${SKIP_INSTALL}" == "NO" ]]; then 80 | mkdir -p "${INSTALL_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}" 81 | rsync -avr --copy-links --no-relative --exclude '*/.svn/*' --files-from="$RESOURCES_TO_COPY" / "${INSTALL_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}" 82 | fi 83 | rm -f "$RESOURCES_TO_COPY" 84 | 85 | if [[ -n "${WRAPPER_EXTENSION}" ]] && [ "`xcrun --find actool`" ] && [ -n "$XCASSET_FILES" ] 86 | then 87 | # Find all other xcassets (this unfortunately includes those of path pods and other targets). 88 | OTHER_XCASSETS=$(find "$PWD" -iname "*.xcassets" -type d) 89 | while read line; do 90 | if [[ $line != "${PODS_ROOT}*" ]]; then 91 | XCASSET_FILES+=("$line") 92 | fi 93 | done <<<"$OTHER_XCASSETS" 94 | 95 | printf "%s\0" "${XCASSET_FILES[@]}" | xargs -0 xcrun actool --output-format human-readable-text --notices --warnings --platform "${PLATFORM_NAME}" --minimum-deployment-target "${!DEPLOYMENT_TARGET_SETTING_NAME}" ${TARGET_DEVICE_ARGS} --compress-pngs --compile "${BUILT_PRODUCTS_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}" 96 | fi 97 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout.debug.xcconfig: -------------------------------------------------------------------------------- 1 | ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = NO 2 | GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 3 | HEADER_SEARCH_PATHS = $(inherited) "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/SDWebImage" 4 | LIBRARY_SEARCH_PATHS = $(inherited) "$PODS_CONFIGURATION_BUILD_DIR/SDWebImage" 5 | OTHER_CFLAGS = $(inherited) -isystem "${PODS_ROOT}/Headers/Public" -isystem "${PODS_ROOT}/Headers/Public/SDWebImage" 6 | OTHER_LDFLAGS = $(inherited) -ObjC -l"SDWebImage" -framework "ImageIO" 7 | PODS_BUILD_DIR = $BUILD_DIR 8 | PODS_CONFIGURATION_BUILD_DIR = $PODS_BUILD_DIR/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) 9 | PODS_ROOT = ${SRCROOT}/Pods 10 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/Pods-CollectionViewLayout/Pods-CollectionViewLayout.release.xcconfig: -------------------------------------------------------------------------------- 1 | ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = NO 2 | GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 3 | HEADER_SEARCH_PATHS = $(inherited) "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/SDWebImage" 4 | LIBRARY_SEARCH_PATHS = $(inherited) "$PODS_CONFIGURATION_BUILD_DIR/SDWebImage" 5 | OTHER_CFLAGS = $(inherited) -isystem "${PODS_ROOT}/Headers/Public" -isystem "${PODS_ROOT}/Headers/Public/SDWebImage" 6 | OTHER_LDFLAGS = $(inherited) -ObjC -l"SDWebImage" -framework "ImageIO" 7 | PODS_BUILD_DIR = $BUILD_DIR 8 | PODS_CONFIGURATION_BUILD_DIR = $PODS_BUILD_DIR/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) 9 | PODS_ROOT = ${SRCROOT}/Pods 10 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/SDWebImage/SDWebImage-dummy.m: -------------------------------------------------------------------------------- 1 | #import 2 | @interface PodsDummy_SDWebImage : NSObject 3 | @end 4 | @implementation PodsDummy_SDWebImage 5 | @end 6 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/SDWebImage/SDWebImage-prefix.pch: -------------------------------------------------------------------------------- 1 | #ifdef __OBJC__ 2 | #import 3 | #endif 4 | 5 | -------------------------------------------------------------------------------- /Demo/CollectionViewLayout/Pods/Target Support Files/SDWebImage/SDWebImage.xcconfig: -------------------------------------------------------------------------------- 1 | CONFIGURATION_BUILD_DIR = $PODS_CONFIGURATION_BUILD_DIR/SDWebImage 2 | GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1 3 | HEADER_SEARCH_PATHS = "${PODS_ROOT}/Headers/Private" "${PODS_ROOT}/Headers/Private/SDWebImage" "${PODS_ROOT}/Headers/Public" "${PODS_ROOT}/Headers/Public/SDWebImage" 4 | OTHER_LDFLAGS = -framework "ImageIO" 5 | PODS_BUILD_DIR = $BUILD_DIR 6 | PODS_CONFIGURATION_BUILD_DIR = $PODS_BUILD_DIR/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) 7 | PODS_ROOT = ${SRCROOT} 8 | PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier} 9 | SKIP_INSTALL = YES 10 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2017 夏远全 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # XYQCollectionLayout 2 | UICollectionView Layout (Defalut、Circle、Stack、Line、Water) 3 | 4 | ### 一、CollectionView是iOS中一个非常重要的控件，它可以实现很多的炫酷的效果，例如轮播图、瀑布流、相册浏览等。其实它和TableView很相似，都是对cell进行复用，提高系统性能。然后也有一点不同的地方，CollectionView的展示由布局决定。但是它只是提供默认的布局方式流式布局，我们可以自定义布局，实现自己想要的各种效果。 5 | 6 | ### 自定义的布局方式需要选择性重写CollectionViewLayout中的方法，实现自己需要的效果，方法如下所示： 7 | 8 | //每一次布局前的准备工作 9 | -(void)prepareLayout 10 | 11 | //设置collectionView滚动区域 12 | -(CGSize)collectionViewContentSize 13 | 14 | //允许每一次重新布局 15 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 16 | 17 | //布局每一个属性 18 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 19 | 20 | //布局所有item的属性,包括header、footer 21 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 22 | 23 | 24 | ### 二、自定义的集中布局方式如下： 25 | 26 | - 圆式布局：将所有的图片环绕成一圈，可以用在相册中 27 | 28 | ![image](https://github.com/xiayuanquan/XYQCollectionLayout/blob/master/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/circle.png) 29 | 30 | - 堆叠式布局：将所有的图片堆叠起来，只有最上面的三张图片可以看到，例如”探探app“ 31 | 32 | ![image](https://github.com/xiayuanquan/XYQCollectionLayout/blob/master/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/stack.png) 33 | 34 | - 线式布局：将图片左右轮播滚动显示，图片滚到离中间一定距离时，图片开始放大 35 | 36 | ![image](https://github.com/xiayuanquan/XYQCollectionLayout/blob/master/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/line.png) 37 | 38 | - 瀑布流布局：图片相错排列，增加美感，例如”蘑菇街“ 39 | ![image](https://github.com/xiayuanquan/XYQCollectionLayout/blob/master/Demo/CollectionViewLayout/CollectionViewLayout/screenshots/water.png) 40 | 41 | 42 | 43 | ### 三、CocoaPods 44 |     45 | pod 'XYQCollectionLayout', '~> 1.0.0' 46 | 47 | 48 | 49 | ### 四、How to use Api 50 | 51 |     52 | 53 | 54 | //使用圆式布局 55 | _collectionView = [[UICollectionView alloc] initWithFrame:frame collectionViewLayout:[[CustomCircleLayout alloc]init]]; 56 | 57 | //使用线式布局 58 | _collectionView = [[UICollectionView alloc] initWithFrame:frame collectionViewLayout:[[CustomLineLayout alloc]init]]; 59 | 60 | //使用堆叠式布局 61 | _collectionView = [[UICollectionView alloc] initWithFrame:frame collectionViewLayout:[[CustomStackLayout alloc]init]]; 62 | 63 | //使用瀑布流布局，比较特别，还需要实现代理，设置图片真实宽高，详见demo 64 | _collectionView = [[UICollectionView alloc] initWithFrame:frame collectionViewLayout:[[WaterFlowLayout alloc]init]]; 65 | 66 | 67 | 68 | 69 | -------------------------------------------------------------------------------- /XYQCollectionLayout.podspec: -------------------------------------------------------------------------------- 1 | 2 | 3 | Pod::Spec.new do |s| 4 | 5 | s.name = "XYQCollectionLayout" 6 | s.version = "1.0.0" 7 | s.summary = "custom Layout of CollectionView." 8 | s.homepage = "https://github.com/xiayuanquan/XYQCollectionLayout" 9 | s.license = "MIT" 10 | s.platform = :ios 11 | s.author = { "夏远全" => "13718037163@163.com" } 12 | s.source = { :git => "https://github.com/xiayuanquan/XYQCollectionLayout.git", :tag => s.version} 13 | s.source_files = "XYQCollectionLayout/**/*.{h,m}" 14 | s.requires_arc = true 15 | 16 | end 17 | -------------------------------------------------------------------------------- /XYQCollectionLayout/CustomCircleLayout/CustomCircleLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // CustomCircleLayout.h 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by mac on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CustomCircleLayout : UICollectionViewLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /XYQCollectionLayout/CustomCircleLayout/CustomCircleLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // CustomCircleLayout.m 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by ma c on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CustomCircleLayout.h" 10 | 11 | @implementation CustomCircleLayout 12 | 13 | 14 | //重写shouldInvalidateLayoutForBoundsChange,每次重写布局内部都会自动调用 15 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 16 | { 17 | return YES; 18 | } 19 | 20 | //重写layoutAttributesForItemAtIndexPath,返回每一个item的布局属性 21 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 22 | { 23 | //创建布局实例 24 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 25 | 26 | //设置item的大小 27 | attrs.size = CGSizeMake(60, 60); 28 | 29 | //设置圆的半径 30 | CGFloat circleRadius = 70; 31 | 32 | //设置圆的中心点 33 | CGPoint circleCenter = CGPointMake(self.collectionView.frame.size.width*0.5, self.collectionView.frame.size.height *0.5); 34 | 35 | //计算每一个item之间的角度 36 | CGFloat angleDelta = M_PI *2 /[self.collectionView numberOfItemsInSection:indexPath.section]; 37 | 38 | //计算当前item的角度 39 | CGFloat angle = indexPath.item * angleDelta; 40 | 41 | //计算当前item的中心 42 | CGFloat x = circleCenter.x + cos(angle)*circleRadius; 43 | CGFloat y = circleCenter.y - sin(angle)*circleRadius; 44 | 45 | //定位当前item的位置 46 | attrs.center = CGPointMake(x, y); 47 | 48 | //设置item的顺序,越后面的显示在前面 49 | attrs.zIndex = indexPath.item; 50 | 51 | return attrs; 52 | } 53 | 54 | 55 | //重写layoutAttributesForElementsInRect,设置所有cell的布局属性（包括item、header、footer） 56 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 57 | { 58 | NSMutableArray *arrayM = [NSMutableArray array]; 59 | NSInteger count = [self.collectionView numberOfItemsInSection:0]; 60 | 61 | //给每一个item创建并设置布局属性 62 | for (int i = 0; i < count; i++) 63 | { 64 | //创建item的布局属性 65 | UICollectionViewLayoutAttributes *attrs = [self layoutAttributesForItemAtIndexPath:[NSIndexPath indexPathForItem:i inSection:0]]; 66 | 67 | [arrayM addObject:attrs]; 68 | } 69 | return arrayM; 70 | } 71 | 72 | @end 73 | -------------------------------------------------------------------------------- /XYQCollectionLayout/CustomLineLayout/CustomLineLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // CustomLineLayout.h 3 | // 集合视图自定义布局 4 | // 5 | // Created by ma c on 15/11/19. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CustomLineLayout : UICollectionViewFlowLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /XYQCollectionLayout/CustomLineLayout/CustomLineLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // CustomLineLayout.m 3 | // 集合视图自定义布局 4 | // 5 | // Created by ma c on 15/11/19. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CustomLineLayout.h" 10 | 11 | //设置item的固定的宽和高 12 | static const CGFloat itemWH = 100; 13 | 14 | //设置缩放时的有效距离 15 | static const CGFloat activeDistance = 150; 16 | 17 | //设置缩放因数,值越大,缩放效果越明显 18 | static const CGFloat scaleFactor = 0.6; 19 | 20 | @implementation CustomLineLayout 21 | 22 | 23 | //UICollectionViewLayoutAttributes:很重要,布局属性设置 24 | //每一个cell(item)都有自己的UICollectionViewLayoutAttributes 25 | //每一个indexPath都有自己的UICollectionViewLayoutAttributes 26 | 27 | -(instancetype)init{ 28 | if (self = [super init]){ 29 | 30 | } 31 | return self; 32 | } 33 | 34 | //每一次重新布局前,都会准备布局（苹果官方推荐使用该方法进行一些初始化） 35 | -(void)prepareLayout 36 | { 37 | [super prepareLayout]; 38 | 39 | //初始化,设置默认的item属性 40 | self.itemSize = CGSizeMake(itemWH, itemWH); 41 | self.scrollDirection = UICollectionViewScrollDirectionHorizontal; 42 | self.minimumLineSpacing = itemWH * scaleFactor; 43 | 44 | //将第一个和最后一个item始终显示在中间,即分别将它们设置到组头和组尾的距离 45 | CGFloat width = self.collectionView.frame.size.width; 46 | CGFloat height = self.collectionView.frame.size.height; 47 | CGFloat inset = (width - itemWH) / 2; 48 | self.sectionInset = UIEdgeInsetsMake(0, inset, (height-itemWH)/2, inset); 49 | } 50 | 51 | //是否要重新刷新布局(只要显示的item边界发生改变就重新布局) 52 | //只要每一次重新布局内部就会调用下面的layoutAttributesForElementsInRect:获取所有cell(item)的属性 53 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 54 | { 55 | return YES; 56 | } 57 | 58 | 59 | //用来设置colectionView停止滚动时的那一刻位置,内部会自动调用 60 | #pragma targetContentOffset : 原本colectionView停止滚动时的那一刻位置 61 | #pragma velocity : 滚动的速率,根据正负可以判断滚动方向是向左还是向右 62 | 63 | -(CGPoint)targetContentOffsetForProposedContentOffset:(CGPoint)proposedContentOffset withScrollingVelocity:(CGPoint)velocity 64 | { 65 | 66 | //1.计算colectionView最终停留的位置 67 | CGRect lastRect; 68 | lastRect.origin = proposedContentOffset; 69 | lastRect.size = self.collectionView.frame.size; 70 | 71 | //2.取出这个范围内的所有item的属性 72 | NSArray *array = [self layoutAttributesForElementsInRect:lastRect]; 73 | 74 | 75 | //3.计算最终屏幕的中心x 76 | CGFloat centerX = proposedContentOffset.x+ self.collectionView.frame.size.width/2; 77 | 78 | 79 | //4.遍历所有的属性,通过计算item与最终屏幕中心的最小距离,然后将item移动屏幕的中心位置 80 | CGFloat adjustOffsetX = MAXFLOAT; 81 | for (UICollectionViewLayoutAttributes *attris in array) 82 | { 83 | if (ABS(attris.center.x - centerX) < ABS(adjustOffsetX)) { 84 | 85 | adjustOffsetX = attris.center.x - centerX; 86 | } 87 | } 88 | 89 | //5.返回要移动到中心的item的位置 90 | return CGPointMake(proposedContentOffset.x + adjustOffsetX , proposedContentOffset.y); 91 | } 92 | 93 | //返回需要重新布局的所有item属性 94 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 95 | { 96 | //0.计算可见的矩形框属性 97 | CGRect visiableRect; 98 | visiableRect.size = self.collectionView.frame.size; 99 | visiableRect.origin = self.collectionView.contentOffset; 100 | 101 | 102 | //1.取出默认的cell的UICollectionViewLayoutAttributes 103 | NSArray *array = [super layoutAttributesForElementsInRect:rect]; 104 | 105 | 106 | //计算屏幕最中心的x(滚出去的所有的item的偏移 + collectionView宽度的一半) 107 | CGFloat centerX = self.collectionView.contentOffset.x + self.collectionView.frame.size.width/2; 108 | 109 | 110 | //2.遍历所有的布局属性 111 | for(UICollectionViewLayoutAttributes *attrs in array) 112 | { 113 | //如果遍历的item和可见的矩形框的frame不相交,即不e是可见的,就直接跳过,只对可见的item进行放缩 114 | if (!CGRectIntersectsRect(visiableRect, attrs.frame)) continue; 115 | 116 | //每一个item的中心x 117 | CGFloat itemCenterX = attrs.center.x; 118 | 119 | 120 | //差距越大，缩放比例越小 121 | //计算每一个item的中心x和屏幕最中心x的绝对值距离，然后可以计算出缩放比例,即 122 | 123 | // <1>计算间距/屏幕一半时的比例,得出的数一定<1 124 | //CGFloat ratio = ABS(itemCenterX - centerX) / (self.collectionView.frame.size.width/2); 125 | //CGFloat ratio = ABS(itemCenterX - centerX) / 150; 126 | // <2>实现放大 127 | //CGFloat scale = 1 + (1 - ratio); 128 | //attrs.transform3D = CATransform3DMakeScale(scale, scale, 1.0); 129 | //attrs.transform = CGAffineTransformMakeScale(scale, scale); 130 | 131 | 132 | //当item的中心x距离屏幕的中心x距离在有效距离150以内时,item才开始放大 133 | if (ABS(itemCenterX - centerX) <= activeDistance) 134 | { 135 | //CGFloat ratio = ABS(itemCenterX - centerX) / (self.collectionView.frame.size.width/2); 136 | CGFloat ratio = ABS(itemCenterX - centerX) / activeDistance; 137 | 138 | // <2>实现放大 139 | CGFloat scale = 1 + scaleFactor*(1 - ratio); 140 | attrs.transform3D = CATransform3DMakeScale(scale, scale, 1.0); 141 | //attrs.transform = CGAffineTransformMakeScale(scale, scale); 142 | } 143 | else 144 | { 145 | attrs.transform = CGAffineTransformMakeScale(1, 1); 146 | } 147 | } 148 | return array; 149 | } 150 | @end 151 | -------------------------------------------------------------------------------- /XYQCollectionLayout/CustomStackLayout/CustomStackLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // CustomStackLayout.h 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by ma c on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface CustomStackLayout : UICollectionViewLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /XYQCollectionLayout/CustomStackLayout/CustomStackLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // CustomStackLayout.m 3 | // 集合视图纯自定义布局 4 | // 5 | // Created by ma c on 15/11/20. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "CustomStackLayout.h" 10 | 11 | #define RANDOM_0_1 arc4random_uniform(100)/100.0 12 | 13 | /* 14 | 由于CustomStackLayout是直接继承自UICollectionViewLayout的,父类没有帮它完成任何的布局，因此， 15 | 需要用户自己完全重新对每一个item进行布局，也即设置它们的布局属性UICollectionViewLayoutAttributes 16 | */ 17 | 18 | @implementation CustomStackLayout 19 | 20 | //重写shouldInvalidateLayoutForBoundsChange,每次重写布局内部都会自动调用 21 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 22 | { 23 | 24 | return YES; 25 | } 26 | 27 | //重写collectionViewContentSize,可以让collectionView滚动 28 | -(CGSize)collectionViewContentSize 29 | { 30 | return CGSizeMake(400, 400); 31 | } 32 | 33 | //重写layoutAttributesForItemAtIndexPath,返回每一个item的布局属性 34 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 35 | { 36 | //创建布局实例 37 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 38 | 39 | //设置布局属性 40 | attrs.size = CGSizeMake(100, 100); 41 | attrs.center = CGPointMake(self.collectionView.frame.size.width*0.5, self.collectionView.frame.size.height*0.5); 42 | 43 | //设置旋转方向 44 | //int direction = (i % 2 ==0)? 1: -1; 45 | 46 | NSArray *directions = @[@0.0,@1.0,@(0.05),@(-1.0),@(-0.05)]; 47 | 48 | //只显示5张 49 | if (indexPath.item >= 5) 50 | { 51 | attrs.hidden = YES; 52 | } 53 | else 54 | { 55 | //开始旋转 56 | attrs.transform = CGAffineTransformMakeRotation([directions[indexPath.item]floatValue]); 57 | 58 | //zIndex值越大,图片越在上面 59 | attrs.zIndex = [self.collectionView numberOfItemsInSection:indexPath.section] - indexPath.item; 60 | } 61 | 62 | return attrs; 63 | } 64 | 65 | 66 | //重写layoutAttributesForElementsInRect,设置所有cell的布局属性（包括item、header、footer） 67 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 68 | { 69 | NSMutableArray *arrayM = [NSMutableArray array]; 70 | NSInteger count = [self.collectionView numberOfItemsInSection:0]; 71 | 72 | //给每一个item创建并设置布局属性 73 | for (int i = 0; i < count; i++) 74 | { 75 | //创建item的布局属性 76 | UICollectionViewLayoutAttributes *attrs = [self layoutAttributesForItemAtIndexPath:[NSIndexPath indexPathForItem:i inSection:0]]; 77 | 78 | [arrayM addObject:attrs]; 79 | } 80 | return arrayM; 81 | } 82 | 83 | @end 84 | -------------------------------------------------------------------------------- /XYQCollectionLayout/DefalutLayout/DefaultLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // DefaultLayout.h 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface DefaultLayout : UICollectionViewFlowLayout 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /XYQCollectionLayout/DefalutLayout/DefaultLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // DefaultLayout.m 3 | // CollectionViewLayout 4 | // 5 | // Created by 夏远全 on 2017/3/3. 6 | // Copyright © 2017年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "DefaultLayout.h" 10 | 11 | @implementation DefaultLayout 12 | 13 | //每一次重新布局前,都会准备布局（苹果官方推荐使用该方法进行一些初始化） 14 | -(void)prepareLayout 15 | { 16 | [super prepareLayout]; 17 | 18 | self.itemSize = CGSizeMake(100, 100); 19 | self.sectionInset = UIEdgeInsetsMake(10, 10, 10, 10); 20 | 21 | } 22 | 23 | @end 24 | -------------------------------------------------------------------------------- /XYQCollectionLayout/WaterFlowLayout/WaterFlowLayout.h: -------------------------------------------------------------------------------- 1 | // 2 | // ShopWaterLayout.h 3 | // 集合视图之瀑布流 4 | // 5 | // Created by ma c on 15/11/21. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | /* 12 | 为了体现封装性的特点,我们可以把一些数据设置为公共的，既可以提高扩展性和通用性， 13 | 也便于外界按照自己的需求做必要的调整。 14 | */ 15 | 16 | @protocol WaterFlowLayoutDelegate; 17 | 18 | 19 | @class WaterFlowLayout; 20 | @interface WaterFlowLayout : UICollectionViewLayout 21 | @property (assign,nonatomic)CGFloat columnMargin;//每一列item之间的间距 22 | @property (assign,nonatomic)CGFloat rowMargin; //每一行item之间的间距 23 | @property (assign,nonatomic)UIEdgeInsets sectionInset;//设置于collectionView边缘的间距 24 | @property (assign,nonatomic)NSInteger columnCount;//设置每一行排列的个数 25 | 26 | 27 | @property (weak,nonatomic)id delegate; //设置代理 28 | @end 29 | 30 | 31 | @protocol WaterFlowLayoutDelegate 32 | -(CGFloat)waterFlowLayout:(WaterFlowLayout *) WaterFlowLayout heightForWidth:(CGFloat)width andIndexPath:(NSIndexPath *)indexPath; 33 | @end 34 | -------------------------------------------------------------------------------- /XYQCollectionLayout/WaterFlowLayout/WaterFlowLayout.m: -------------------------------------------------------------------------------- 1 | // 2 | // ShopWaterLayout.m 3 | // 集合视图之瀑布流 4 | // 5 | // Created by ma c on 15/11/21. 6 | // Copyright (c) 2015年 夏远全. All rights reserved. 7 | // 8 | 9 | #import "WaterFlowLayout.h" 10 | 11 | //每一列item之间的间距 12 | //static const CGFloat columnMargin = 10; 13 | //每一行item之间的间距 14 | //static const CGFloat rowMargin = 10; 15 | 16 | @interface WaterFlowLayout() 17 | /** 这个字典用来存储每一列item的高度 */ 18 | @property (strong,nonatomic)NSMutableDictionary *maxYDic; 19 | /** 存放每一个item的布局属性 */ 20 | @property (strong,nonatomic)NSMutableArray *attrsArray; 21 | @end 22 | 23 | @implementation WaterFlowLayout 24 | 25 | /** 懒加载 */ 26 | -(NSMutableDictionary *)maxYDic 27 | { 28 | if (!_maxYDic) 29 | { 30 | _maxYDic = [NSMutableDictionary dictionary]; 31 | } 32 | return _maxYDic; 33 | } 34 | 35 | /** 懒加载 */ 36 | -(NSMutableArray *)attrsArray 37 | { 38 | if (!_attrsArray) 39 | { 40 | _attrsArray = [NSMutableArray array]; 41 | } 42 | return _attrsArray; 43 | } 44 | 45 | //初始化 46 | -(instancetype)init 47 | { 48 | if (self = [super init]){ 49 | self.columnMargin = 10; 50 | self.rowMargin = 10; 51 | self.sectionInset = UIEdgeInsetsMake(10, 10, 10, 10); 52 | self.columnCount = 3; 53 | } 54 | return self; 55 | } 56 | 57 | //每一次布局前的准备工作 58 | -(void)prepareLayout 59 | { 60 | [super prepareLayout]; 61 | 62 | //清空最大的y值 63 | for (int i =0; i < self.columnCount; i++) 64 | { 65 | NSString *column = [NSString stringWithFormat:@"%d",i]; 66 | self.maxYDic[column] = @(self.sectionInset.top); 67 | } 68 | 69 | //计算所有item的属性 70 | [self.attrsArray removeAllObjects]; 71 | NSInteger count = [self.collectionView numberOfItemsInSection:0]; 72 | for (int i=0; i [self.maxYDic[maxColumn] floatValue]) 90 | { 91 | maxColumn = column; 92 | } 93 | }]; 94 | return CGSizeMake(0, [self.maxYDic[maxColumn]floatValue]+self.sectionInset.bottom); 95 | } 96 | 97 | //允许每一次重新布局 98 | -(BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds 99 | { 100 | return YES; 101 | } 102 | 103 | //布局每一个属性 104 | -(UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath 105 | { 106 | //假设最短的那一列为第0列 107 | __block NSString *minColumn = @"0"; 108 | 109 | //遍历字典,找出最短的那一列 110 | [self.maxYDic enumerateKeysAndObjectsUsingBlock:^(NSString *column, NSNumber *maxY, BOOL *stop) { 111 | 112 | if ([maxY floatValue] < [self.maxYDic[minColumn] floatValue]) 113 | { 114 | minColumn = column; 115 | } 116 | }]; 117 | 118 | //计算每一个item的宽度和高度 119 | CGFloat width = (self.collectionView.frame.size.width - self.columnMargin*(self.columnCount - 1) - self.sectionInset.left - self.sectionInset.right) / self.columnCount; 120 | 121 | CGFloat height = [self.delegate waterFlowLayout:self heightForWidth:width andIndexPath:indexPath] ; 122 | 123 | 124 | //计算每一个item的位置 125 | CGFloat x = self.sectionInset.left + (width + self.columnMargin) * [minColumn floatValue]; 126 | CGFloat y = [self.maxYDic[minColumn] floatValue] + self.rowMargin; 127 | 128 | 129 | //更新这一列的y值 130 | self.maxYDic[minColumn] = @(y + height); 131 | 132 | 133 | //创建布局属性 134 | UICollectionViewLayoutAttributes *attrs = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:indexPath]; 135 | 136 | //设置item的frame 137 | attrs.frame = CGRectMake(x, y, width, height); 138 | 139 | return attrs; 140 | } 141 | 142 | //布局所有item的属性,包括header、footer 143 | -(NSArray *)layoutAttributesForElementsInRect:(CGRect)rect 144 | { 145 | return [self.attrsArray copy]; 146 | } 147 | @end 148 | --------------------------------------------------------------------------------