├── .gitignore
├── .swiftpm
    └── xcode
    │   └── package.xcworkspace
    │       └── contents.xcworkspacedata
├── CHANGELOG.md
├── Demo
    ├── Demo.xcodeproj
    │   ├── project.pbxproj
    │   └── project.xcworkspace
    │   │   ├── contents.xcworkspacedata
    │   │   └── xcshareddata
    │   │       └── IDEWorkspaceChecks.plist
    ├── Demo.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │   │   ├── IDEWorkspaceChecks.plist
    │   │   └── swiftpm
    │   │       └── Package.resolved
    └── Demo
    │   ├── AppDelegate.swift
    │   ├── Assets.xcassets
    │       ├── AccentColor.colorset
    │       │   └── Contents.json
    │       ├── AppIcon.appiconset
    │       │   └── Contents.json
    │       └── Contents.json
    │   ├── Base.lproj
    │       ├── LaunchScreen.storyboard
    │       └── Main.storyboard
    │   ├── HomeCollectionViewCell.swift
    │   ├── HomeCollectionViewCell.xib
    │   ├── Info.plist
    │   └── ViewController.swift
├── FTImageSize.podspec
├── FTImageSize.xcodeproj
    ├── project.pbxproj
    └── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │       └── IDEWorkspaceChecks.plist
├── FTImageSize
    ├── .DS_Store
    ├── FTImageSize.h
    └── FTImageSize.swift
├── LICENSE
├── Package.swift
└── README.md


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Xcode
 2 | #
 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
 4 | 
 5 | .DS_Store
 6 | 
 7 | ## Build generated
 8 | build/
 9 | DerivedData/
10 | 
11 | ## Various settings
12 | *.pbxuser
13 | !default.pbxuser
14 | *.mode1v3
15 | !default.mode1v3
16 | *.mode2v3
17 | !default.mode2v3
18 | *.perspectivev3
19 | !default.perspectivev3
20 | xcuserdata/
21 | 
22 | ## Other
23 | *.moved-aside
24 | *.xcuserstate
25 | 
26 | ## Obj-C/Swift specific
27 | *.hmap
28 | *.ipa
29 | *.dSYM.zip
30 | *.dSYM
31 | 
32 | ## Playgrounds
33 | timeline.xctimeline
34 | playground.xcworkspace
35 | 
36 | # Swift Package Manager
37 | #
38 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
39 | # Packages/
40 | .build/
41 | 
42 | # CocoaPods
43 | #
44 | # We recommend against adding the Pods directory to your .gitignore. However
45 | # you should judge for yourself, the pros and cons are mentioned at:
46 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
47 | #
48 | # Pods/
49 | 
50 | # Carthage
51 | #
52 | # Add this line if you want to avoid checking in source code from Carthage dependencies.
53 | # Carthage/Checkouts
54 | 
55 | Carthage/Build
56 | 
57 | # fastlane
58 | #
59 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
60 | # screenshots whenever they are needed.
61 | # For more information about the recommended setup visit:
62 | # https://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md
63 | 
64 | fastlane/report.xml
65 | fastlane/Preview.html
66 | fastlane/screenshots
67 | fastlane/test_output
68 | 


--------------------------------------------------------------------------------
/.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/CHANGELOG.md:
--------------------------------------------------------------------------------
 1 | # FTImageSize
 2 | 
 3 | ## CHNAGELOG
 4 | 
 5 | | Version | Date | ChangeLog |
 6 | | :--------: | :--------: | :-------- |
 7 | | 0.0.1 | 2016-12-05 | uploading to cocoapods |
 8 | | 0.0.2 | 2016-12-06 | make public |
 9 | | 0.0.3 | 2016-12-07 | fix an issue |
10 | | 0.0.4 | 2016-12-14 | add max height support |
11 | | 0.0.5 | 2021-07-06 | update to swift 5 |
12 | 


--------------------------------------------------------------------------------
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320 | 				MTL_ENABLE_DEBUG_INFO = NO;
321 | 				MTL_FAST_MATH = YES;
322 | 				SDKROOT = iphoneos;
323 | 				SWIFT_COMPILATION_MODE = wholemodule;
324 | 				SWIFT_OPTIMIZATION_LEVEL = "-O";
325 | 				VALIDATE_PRODUCT = YES;
326 | 			};
327 | 			name = Release;
328 | 		};
329 | 		2A52C0B12693F22A003DFE48 /* Debug */ = {
330 | 			isa = XCBuildConfiguration;
331 | 			buildSettings = {
332 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
333 | 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
334 | 				CODE_SIGN_STYLE = Automatic;
335 | 				CURRENT_PROJECT_VERSION = 1;
336 | 				DEVELOPMENT_TEAM = E83AC9WR2F;
337 | 				GENERATE_INFOPLIST_FILE = YES;
338 | 				INFOPLIST_FILE = Demo/Info.plist;
339 | 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
340 | 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
341 | 				INFOPLIST_KEY_UIMainStoryboardFile = Main;
342 | 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
343 | 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
344 | 				LD_RUNPATH_SEARCH_PATHS = (
345 | 					"$(inherited)",
346 | 					"@executable_path/Frameworks",
347 | 				);
348 | 				MARKETING_VERSION = 1.0;
349 | 				PRODUCT_BUNDLE_IDENTIFIER = com.liufengting.demoss;
350 | 				PRODUCT_NAME = "$(TARGET_NAME)";
351 | 				SWIFT_EMIT_LOC_STRINGS = YES;
352 | 				SWIFT_VERSION = 5.0;
353 | 				TARGETED_DEVICE_FAMILY = "1,2";
354 | 			};
355 | 			name = Debug;
356 | 		};
357 | 		2A52C0B22693F22A003DFE48 /* Release */ = {
358 | 			isa = XCBuildConfiguration;
359 | 			buildSettings = {
360 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
361 | 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
362 | 				CODE_SIGN_STYLE = Automatic;
363 | 				CURRENT_PROJECT_VERSION = 1;
364 | 				DEVELOPMENT_TEAM = E83AC9WR2F;
365 | 				GENERATE_INFOPLIST_FILE = YES;
366 | 				INFOPLIST_FILE = Demo/Info.plist;
367 | 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
368 | 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
369 | 				INFOPLIST_KEY_UIMainStoryboardFile = Main;
370 | 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
371 | 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
372 | 				LD_RUNPATH_SEARCH_PATHS = (
373 | 					"$(inherited)",
374 | 					"@executable_path/Frameworks",
375 | 				);
376 | 				MARKETING_VERSION = 1.0;
377 | 				PRODUCT_BUNDLE_IDENTIFIER = com.liufengting.demoss;
378 | 				PRODUCT_NAME = "$(TARGET_NAME)";
379 | 				SWIFT_EMIT_LOC_STRINGS = YES;
380 | 				SWIFT_VERSION = 5.0;
381 | 				TARGETED_DEVICE_FAMILY = "1,2";
382 | 			};
383 | 			name = Release;
384 | 		};
385 | /* End XCBuildConfiguration section */
386 | 
387 | /* Begin XCConfigurationList section */
388 | 		2A52C0972693F22A003DFE48 /* Build configuration list for PBXProject "Demo" */ = {
389 | 			isa = XCConfigurationList;
390 | 			buildConfigurations = (
391 | 				2A52C0AE2693F22A003DFE48 /* Debug */,
392 | 				2A52C0AF2693F22A003DFE48 /* Release */,
393 | 			);
394 | 			defaultConfigurationIsVisible = 0;
395 | 			defaultConfigurationName = Release;
396 | 		};
397 | 		2A52C0B02693F22A003DFE48 /* Build configuration list for PBXNativeTarget "Demo" */ = {
398 | 			isa = XCConfigurationList;
399 | 			buildConfigurations = (
400 | 				2A52C0B12693F22A003DFE48 /* Debug */,
401 | 				2A52C0B22693F22A003DFE48 /* Release */,
402 | 			);
403 | 			defaultConfigurationIsVisible = 0;
404 | 			defaultConfigurationName = Release;
405 | 		};
406 | /* End XCConfigurationList section */
407 | 
408 | /* Begin XCRemoteSwiftPackageReference section */
409 | 		2ACF1354293ED34200D5A476 /* XCRemoteSwiftPackageReference "FTWaterFallLayout" */ = {
410 | 			isa = XCRemoteSwiftPackageReference;
411 | 			repositoryURL = "https://github.com/liufengting/FTWaterFallLayout";
412 | 			requirement = {
413 | 				kind = upToNextMajorVersion;
414 | 				minimumVersion = 0.0.9;
415 | 			};
416 | 		};
417 | 		2ACF135B293ED4A400D5A476 /* XCRemoteSwiftPackageReference "Kingfisher" */ = {
418 | 			isa = XCRemoteSwiftPackageReference;
419 | 			repositoryURL = "https://github.com/onevcat/Kingfisher.git";
420 | 			requirement = {
421 | 				kind = upToNextMajorVersion;
422 | 				minimumVersion = 7.0.0;
423 | 			};
424 | 		};
425 | /* End XCRemoteSwiftPackageReference section */
426 | 
427 | /* Begin XCSwiftPackageProductDependency section */
428 | 		2ACF1355293ED34200D5A476 /* FTWaterFallLayout */ = {
429 | 			isa = XCSwiftPackageProductDependency;
430 | 			package = 2ACF1354293ED34200D5A476 /* XCRemoteSwiftPackageReference "FTWaterFallLayout" */;
431 | 			productName = FTWaterFallLayout;
432 | 		};
433 | 		2ACF135C293ED4A400D5A476 /* Kingfisher */ = {
434 | 			isa = XCSwiftPackageProductDependency;
435 | 			package = 2ACF135B293ED4A400D5A476 /* XCRemoteSwiftPackageReference "Kingfisher" */;
436 | 			productName = Kingfisher;
437 | 		};
438 | /* End XCSwiftPackageProductDependency section */
439 | 	};
440 | 	rootObject = 2A52C0942693F22A003DFE48 /* Project object */;
441 | }
442 | 


--------------------------------------------------------------------------------
/Demo/Demo.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/Demo/Demo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/Demo/Demo.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <Workspace
 3 |    version = "1.0">
 4 |    <FileRef
 5 |       location = "group:../FTImageSize.xcodeproj">
 6 |    </FileRef>
 7 |    <FileRef
 8 |       location = "container:Demo.xcodeproj">
 9 |    </FileRef>
10 | </Workspace>
11 | 


--------------------------------------------------------------------------------
/Demo/Demo.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/Demo/Demo.xcworkspace/xcshareddata/swiftpm/Package.resolved:
--------------------------------------------------------------------------------
 1 | {
 2 |   "pins" : [
 3 |     {
 4 |       "identity" : "ftwaterfalllayout",
 5 |       "kind" : "remoteSourceControl",
 6 |       "location" : "https://github.com/liufengting/FTWaterFallLayout",
 7 |       "state" : {
 8 |         "revision" : "7b0efc4fd1ea9f20f94cd9cbead5fe13aee90283",
 9 |         "version" : "0.0.9"
10 |       }
11 |     },
12 |     {
13 |       "identity" : "kingfisher",
14 |       "kind" : "remoteSourceControl",
15 |       "location" : "https://github.com/onevcat/Kingfisher.git",
16 |       "state" : {
17 |         "revision" : "44e891bdb61426a95e31492a67c7c0dfad1f87c5",
18 |         "version" : "7.4.1"
19 |       }
20 |     }
21 |   ],
22 |   "version" : 2
23 | }
24 | 


--------------------------------------------------------------------------------
/Demo/Demo/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  Demo
 4 | //
 5 | //  Created by LiuFengting on 2021/7/6.
 6 | //
 7 | 
 8 | import UIKit
 9 | 
10 | @main
11 | class AppDelegate: UIResponder, UIApplicationDelegate {
12 | 
13 |     var window: UIWindow?
14 | 
15 |     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
16 |         // Override point for customization after application launch.
17 |         return true
18 |     }
19 | 
20 | }
21 | 
22 | 


--------------------------------------------------------------------------------
/Demo/Demo/Assets.xcassets/AccentColor.colorset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "colors" : [
 3 |     {
 4 |       "idiom" : "universal"
 5 |     }
 6 |   ],
 7 |   "info" : {
 8 |     "author" : "xcode",
 9 |     "version" : 1
10 |   }
11 | }
12 | 


--------------------------------------------------------------------------------
/Demo/Demo/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "scale" : "2x",
 6 |       "size" : "20x20"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "scale" : "3x",
11 |       "size" : "20x20"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "scale" : "2x",
16 |       "size" : "29x29"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "scale" : "3x",
21 |       "size" : "29x29"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "scale" : "2x",
26 |       "size" : "40x40"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "scale" : "3x",
31 |       "size" : "40x40"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "scale" : "2x",
36 |       "size" : "60x60"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "scale" : "3x",
41 |       "size" : "60x60"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "scale" : "1x",
46 |       "size" : "20x20"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "scale" : "2x",
51 |       "size" : "20x20"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "scale" : "1x",
56 |       "size" : "29x29"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "scale" : "2x",
61 |       "size" : "29x29"
62 |     },
63 |     {
64 |       "idiom" : "ipad",
65 |       "scale" : "1x",
66 |       "size" : "40x40"
67 |     },
68 |     {
69 |       "idiom" : "ipad",
70 |       "scale" : "2x",
71 |       "size" : "40x40"
72 |     },
73 |     {
74 |       "idiom" : "ipad",
75 |       "scale" : "1x",
76 |       "size" : "76x76"
77 |     },
78 |     {
79 |       "idiom" : "ipad",
80 |       "scale" : "2x",
81 |       "size" : "76x76"
82 |     },
83 |     {
84 |       "idiom" : "ipad",
85 |       "scale" : "2x",
86 |       "size" : "83.5x83.5"
87 |     },
88 |     {
89 |       "idiom" : "ios-marketing",
90 |       "scale" : "1x",
91 |       "size" : "1024x1024"
92 |     }
93 |   ],
94 |   "info" : {
95 |     "author" : "xcode",
96 |     "version" : 1
97 |   }
98 | }
99 | 


--------------------------------------------------------------------------------
/Demo/Demo/Assets.xcassets/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 |   "info" : {
3 |     "author" : "xcode",
4 |     "version" : 1
5 |   }
6 | }
7 | 


--------------------------------------------------------------------------------
/Demo/Demo/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
 5 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
14 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
15 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
16 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
17 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
18 |                     </view>
19 |                 </viewController>
20 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
21 |             </objects>
22 |             <point key="canvasLocation" x="53" y="375"/>
23 |         </scene>
24 |     </scenes>
25 | </document>
26 | 


--------------------------------------------------------------------------------
/Demo/Demo/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="21507" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <device id="retina6_12" orientation="portrait" appearance="light"/>
 4 |     <dependencies>
 5 |         <deployment identifier="iOS"/>
 6 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="21505"/>
 7 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 8 |         <capability name="System colors in document resources" minToolsVersion="11.0"/>
 9 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
10 |     </dependencies>
11 |     <scenes>
12 |         <!--View Controller-->
13 |         <scene sceneID="tne-QT-ifu">
14 |             <objects>
15 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="Demo" customModuleProvider="target" sceneMemberID="viewController">
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <subviews>
20 |                             <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" translatesAutoresizingMaskIntoConstraints="NO" id="WUo-ne-DIA">
21 |                                 <rect key="frame" x="0.0" y="59" width="393" height="759"/>
22 |                                 <color key="backgroundColor" systemColor="systemBackgroundColor"/>
23 |                                 <collectionViewFlowLayout key="collectionViewLayout" automaticEstimatedItemSize="YES" minimumLineSpacing="10" minimumInteritemSpacing="10" id="JCg-MB-TDO">
24 |                                     <size key="itemSize" width="128" height="128"/>
25 |                                     <size key="headerReferenceSize" width="0.0" height="0.0"/>
26 |                                     <size key="footerReferenceSize" width="0.0" height="0.0"/>
27 |                                     <inset key="sectionInset" minX="0.0" minY="0.0" maxX="0.0" maxY="0.0"/>
28 |                                 </collectionViewFlowLayout>
29 |                                 <cells/>
30 |                                 <connections>
31 |                                     <outlet property="dataSource" destination="BYZ-38-t0r" id="nh1-q7-q04"/>
32 |                                     <outlet property="delegate" destination="BYZ-38-t0r" id="VFp-p7-zOu"/>
33 |                                 </connections>
34 |                             </collectionView>
35 |                         </subviews>
36 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
37 |                         <color key="backgroundColor" systemColor="systemBackgroundColor"/>
38 |                         <constraints>
39 |                             <constraint firstItem="WUo-ne-DIA" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" id="QTL-Do-WIO"/>
40 |                             <constraint firstItem="WUo-ne-DIA" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="g0C-hB-CvQ"/>
41 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="WUo-ne-DIA" secondAttribute="bottom" id="iIw-1d-e1A"/>
42 |                             <constraint firstItem="WUo-ne-DIA" firstAttribute="trailing" secondItem="6Tk-OE-BBY" secondAttribute="trailing" id="w1n-9A-2nb"/>
43 |                         </constraints>
44 |                     </view>
45 |                     <connections>
46 |                         <outlet property="collectionView" destination="WUo-ne-DIA" id="K2o-j3-2Wk"/>
47 |                     </connections>
48 |                 </viewController>
49 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
50 |             </objects>
51 |             <point key="canvasLocation" x="14" y="-34"/>
52 |         </scene>
53 |     </scenes>
54 |     <resources>
55 |         <systemColor name="systemBackgroundColor">
56 |             <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
57 |         </systemColor>
58 |     </resources>
59 | </document>
60 | 


--------------------------------------------------------------------------------
/Demo/Demo/HomeCollectionViewCell.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  HomeCollectionViewCell.swift
 3 | //  Demo
 4 | //
 5 | //  Created by LiuFengting on 2021/7/1.
 6 | //
 7 | 
 8 | import UIKit
 9 | import Kingfisher
10 | 
11 | public let homeCellReuseIdentifier = "HomeCollectionViewCellIdentifier"
12 | 
13 | class HomeCollectionViewCell: UICollectionViewCell {
14 | 
15 |     @IBOutlet weak var imageView: UIImageView!
16 | 
17 |     override func awakeFromNib() {
18 |         self.layer.cornerRadius = 5
19 |         self.imageView.layer.cornerRadius = 5
20 |         self.selectedBackgroundView = self.selectedBGView
21 |     }
22 |     
23 |     func setupWith(imageURLString: String) {
24 |         if let url = URL(string: imageURLString) {
25 |             self.imageView.kf.setImage(with: url)
26 |         }
27 |     }
28 |     
29 |     var selectedBGView: UIView {
30 |         let view = UIView(frame: self.bounds)
31 |         view.backgroundColor = UIColor.init(white: 0.95, alpha: 1)
32 |         return view
33 |     }
34 |     
35 | }
36 | 


--------------------------------------------------------------------------------
/Demo/Demo/HomeCollectionViewCell.xib:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="19115.3" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
 3 |     <device id="retina6_1" orientation="portrait" appearance="light"/>
 4 |     <dependencies>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="19107.5"/>
 6 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 7 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 8 |     </dependencies>
 9 |     <objects>
10 |         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
11 |         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
12 |         <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" id="gTV-IL-0wX" customClass="HomeCollectionViewCell" customModule="Demo" customModuleProvider="target">
13 |             <rect key="frame" x="0.0" y="0.0" width="133" height="224"/>
14 |             <autoresizingMask key="autoresizingMask"/>
15 |             <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
16 |                 <rect key="frame" x="0.0" y="0.0" width="133" height="224"/>
17 |                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
18 |                 <subviews>
19 |                     <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="xqO-EP-gUx">
20 |                         <rect key="frame" x="0.0" y="0.0" width="133" height="224"/>
21 |                     </imageView>
22 |                 </subviews>
23 |             </view>
24 |             <viewLayoutGuide key="safeArea" id="ZTg-uK-7eu"/>
25 |             <constraints>
26 |                 <constraint firstAttribute="trailing" secondItem="xqO-EP-gUx" secondAttribute="trailing" id="Y6h-jy-Bvf"/>
27 |                 <constraint firstItem="xqO-EP-gUx" firstAttribute="leading" secondItem="gTV-IL-0wX" secondAttribute="leading" id="gtn-SJ-Nuo"/>
28 |                 <constraint firstItem="xqO-EP-gUx" firstAttribute="top" secondItem="gTV-IL-0wX" secondAttribute="top" id="hkP-zg-TdL"/>
29 |                 <constraint firstAttribute="bottom" secondItem="xqO-EP-gUx" secondAttribute="bottom" id="iuQ-JJ-dTW"/>
30 |             </constraints>
31 |             <size key="customSize" width="133" height="224"/>
32 |             <connections>
33 |                 <outlet property="imageView" destination="xqO-EP-gUx" id="iKE-GQ-cu6"/>
34 |             </connections>
35 |             <point key="canvasLocation" x="197.82608695652175" y="133.92857142857142"/>
36 |         </collectionViewCell>
37 |     </objects>
38 | </document>
39 | 


--------------------------------------------------------------------------------
/Demo/Demo/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>NSAppTransportSecurity</key>
 6 | 	<dict>
 7 | 		<key>NSAllowsArbitraryLoads</key>
 8 | 		<true/>
 9 | 	</dict>
10 | </dict>
11 | </plist>
12 | 


--------------------------------------------------------------------------------
/Demo/Demo/ViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.swift
 3 | //  Demo
 4 | //
 5 | //  Created by LiuFengting on 2021/7/6.
 6 | //
 7 | 
 8 | import UIKit
 9 | import FTImageSize
10 | import FTWaterFallLayout
11 | 
12 | class ViewController: UIViewController , UICollectionViewDelegateFlowLayout, UICollectionViewDataSource, FTWaterFallLayoutDelegate {
13 |     
14 |     @IBOutlet weak var collectionView: UICollectionView!
15 | 
16 |     var imageURLs: [String] = [ "https://wx4.sinaimg.cn/mw600/007wHJ1wly1gs6ocli7hlj318g0toary.jpg",
17 |                                 "https://wx1.sinaimg.cn/orj360/006KDv0Jly1gs1hys0m1zj33402c0qv5.jpg",
18 |                                 "https://wx1.sinaimg.cn/orj360/006KDv0Jly1gs1hytnobhj33402c0npd.jpg",
19 |                                 "https://wx1.sinaimg.cn/orj360/006KDv0Jly1gs1hyxep3aj31hc0u044q.jpg",
20 |                                 "https://wx1.sinaimg.cn/mw600/007wHJ1wly1gs1hnskhshj30go0fm41t.jpg",
21 |                                 "https://wx1.sinaimg.cn/mw600/007wHJ1wly1gs1h6z1k8rj30jg0pygo8.jpg",
22 |                                 "https://wx1.sinaimg.cn/mw600/007wHJ1wly1gs1gs24581j30u00wvwg7.jpg"]
23 |     
24 |     override func viewDidLoad() {
25 |         super.viewDidLoad()
26 |         
27 |         self.collectionView.register(UINib(nibName: "HomeCollectionViewCell", bundle: Bundle.main), forCellWithReuseIdentifier: homeCellReuseIdentifier)
28 |         self.collectionView.collectionViewLayout = collectionViewLayout
29 |     }
30 |     
31 |     var collectionViewLayout: FTWaterFallLayout {
32 |         let layout: FTWaterFallLayout = FTWaterFallLayout()
33 |         layout.numberOfColumns = 2
34 |         layout.sectionInsets = UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10)
35 |         layout.itemMaginSize = CGSize(width: 10, height: 10)
36 |         layout.delegate = self
37 |         return layout
38 |     }
39 |     
40 | 
41 |     // MARK: FTWaterFallLayoutDelegate
42 |     
43 |     func ftWaterFallLayout(_ layout: FTWaterFallLayout, heightForItemAt indexPath: IndexPath) -> CGFloat {
44 |         let preferdWidth: CGFloat = (self.view.bounds.size.width - 30)/2
45 |         let imageSize: CGSize = FTImageSize.shared.getImageSizeFromImageURL(imageURLs[indexPath.item], perferdWidth: preferdWidth)
46 |         return imageSize.height
47 |     }
48 |     
49 |     // MARK: UICollectionViewDataSource
50 |     
51 |     func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
52 |         return imageURLs.count
53 |     }
54 |     
55 |     func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
56 |         let cell: HomeCollectionViewCell = collectionView.dequeueReusableCell(withReuseIdentifier: homeCellReuseIdentifier, for: indexPath) as! HomeCollectionViewCell
57 |         cell.setupWith(imageURLString: imageURLs[indexPath.item])
58 |         return cell
59 |     }
60 |     
61 |     func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
62 |         collectionView.deselectItem(at: indexPath, animated: true)
63 |     }
64 |     
65 | }
66 | 


--------------------------------------------------------------------------------
/FTImageSize.podspec:
--------------------------------------------------------------------------------
 1 | 
 2 | Pod::Spec.new do |s|
 3 | 
 4 |   s.name         = "FTImageSize"
 5 |   s.version      = "0.0.6"
 6 |   s.summary      = "Get image size from image url synchronously"
 7 |   s.description  = <<-DESC
 8 |     	FTImageSize. Get image size from image url synchronously.
 9 |                    DESC
10 |   s.homepage     = "https://github.com/liufengting/FTImageSize"
11 |   s.license      = { :type => "MIT", :file => "LICENSE" }
12 |   s.author		 = { "liufengting" => "wo157121900@me.com" }
13 |   s.platform     = :ios, "8.0"
14 |   s.source       = { :git => "https://github.com/liufengting/FTImageSize.git", :tag => "#{s.version}" }
15 |   s.source_files = ["FTImageSize/*.swift"]
16 |   s.pod_target_xcconfig = { 'SWIFT_VERSION' => '5.0' }
17 | 
18 | end
19 | 


--------------------------------------------------------------------------------
/FTImageSize.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
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 25 | 			);
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 31 | 		2ADDCBFC268DA45B00210027 = {
 32 | 			isa = PBXGroup;
 33 | 			children = (
 34 | 				2ADDCC08268DA45B00210027 /* FTImageSize */,
 35 | 				2ADDCC07268DA45B00210027 /* Products */,
 36 | 			);
 37 | 			sourceTree = "<group>";
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 43 | 			);
 44 | 			name = Products;
 45 | 			sourceTree = "<group>";
 46 | 		};
 47 | 		2ADDCC08268DA45B00210027 /* FTImageSize */ = {
 48 | 			isa = PBXGroup;
 49 | 			children = (
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 51 | 				2ADDCC10268DA48100210027 /* FTImageSize.swift */,
 52 | 			);
 53 | 			path = FTImageSize;
 54 | 			sourceTree = "<group>";
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 62 | 			files = (
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 64 | 			);
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 66 | 		};
 67 | /* End PBXHeadersBuildPhase section */
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 69 | /* Begin PBXNativeTarget section */
 70 | 		2ADDCC05268DA45B00210027 /* FTImageSize */ = {
 71 | 			isa = PBXNativeTarget;
 72 | 			buildConfigurationList = 2ADDCC0D268DA45B00210027 /* Build configuration list for PBXNativeTarget "FTImageSize" */;
 73 | 			buildPhases = (
 74 | 				2ADDCC01268DA45B00210027 /* Headers */,
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 77 | 				2ADDCC04268DA45B00210027 /* Resources */,
 78 | 			);
 79 | 			buildRules = (
 80 | 			);
 81 | 			dependencies = (
 82 | 			);
 83 | 			name = FTImageSize;
 84 | 			productName = FTImageSize;
 85 | 			productReference = 2ADDCC06268DA45B00210027 /* FTImageSize.framework */;
 86 | 			productType = "com.apple.product-type.framework";
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 99 | 						LastSwiftMigration = 1300;
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102 | 			};
103 | 			buildConfigurationList = 2ADDCC00268DA45B00210027 /* Build configuration list for PBXProject "FTImageSize" */;
104 | 			compatibilityVersion = "Xcode 13.0";
105 | 			developmentRegion = en;
106 | 			hasScannedForEncodings = 0;
107 | 			knownRegions = (
108 | 				en,
109 | 				Base,
110 | 			);
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115 | 			targets = (
116 | 				2ADDCC05268DA45B00210027 /* FTImageSize */,
117 | 			);
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135 | 			files = (
136 | 				2ADDCC11268DA48100210027 /* FTImageSize.swift in Sources */,
137 | 			);
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150 | 				CLANG_CXX_LIBRARY = "libc++";
151 | 				CLANG_ENABLE_MODULES = YES;
152 | 				CLANG_ENABLE_OBJC_ARC = YES;
153 | 				CLANG_ENABLE_OBJC_WEAK = YES;
154 | 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
155 | 				CLANG_WARN_BOOL_CONVERSION = YES;
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158 | 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
159 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
160 | 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
161 | 				CLANG_WARN_EMPTY_BODY = YES;
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167 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
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184 | 				GCC_OPTIMIZATION_LEVEL = 0;
185 | 				GCC_PREPROCESSOR_DEFINITIONS = (
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188 | 				);
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201 | 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
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207 | 		2ADDCC0C268DA45B00210027 /* Release */ = {
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230 | 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
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280 | 					"$(inherited)",
281 | 					"@executable_path/Frameworks",
282 | 					"@loader_path/Frameworks",
283 | 				);
284 | 				MARKETING_VERSION = 1.0;
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286 | 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
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288 | 				SWIFT_EMIT_LOC_STRINGS = YES;
289 | 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
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313 | 				);
314 | 				MARKETING_VERSION = 1.0;
315 | 				PRODUCT_BUNDLE_IDENTIFIER = com.liufengting.FTImageSize;
316 | 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
317 | 				SKIP_INSTALL = YES;
318 | 				SWIFT_EMIT_LOC_STRINGS = YES;
319 | 				SWIFT_VERSION = 5.0;
320 | 				TARGETED_DEVICE_FAMILY = "1,2";
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322 | 			name = Release;
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324 | /* End XCBuildConfiguration section */
325 | 
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331 | 				2ADDCC0C268DA45B00210027 /* Release */,
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334 | 			defaultConfigurationName = Release;
335 | 		};
336 | 		2ADDCC0D268DA45B00210027 /* Build configuration list for PBXNativeTarget "FTImageSize" */ = {
337 | 			isa = XCConfigurationList;
338 | 			buildConfigurations = (
339 | 				2ADDCC0E268DA45B00210027 /* Debug */,
340 | 				2ADDCC0F268DA45B00210027 /* Release */,
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343 | 			defaultConfigurationName = Release;
344 | 		};
345 | /* End XCConfigurationList section */
346 | 	};
347 | 	rootObject = 2ADDCBFD268DA45B00210027 /* Project object */;
348 | }
349 | 


--------------------------------------------------------------------------------
/FTImageSize.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/FTImageSize.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/FTImageSize/.DS_Store:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/liufengting/FTImageSize/9950fff2fe0eb78820af944e28ae9dc2bc1ed9f4/FTImageSize/.DS_Store


--------------------------------------------------------------------------------
/FTImageSize/FTImageSize.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  FTImageSize.h
 3 | //  FTImageSize
 4 | //
 5 | //  Created by LiuFengting on 2021/7/1.
 6 | //
 7 | 
 8 | #import <Foundation/Foundation.h>
 9 | 
10 | //! Project version number for FTImageSize.
11 | FOUNDATION_EXPORT double FTImageSizeVersionNumber;
12 | 
13 | //! Project version string for FTImageSize.
14 | FOUNDATION_EXPORT const unsigned char FTImageSizeVersionString[];
15 | 
16 | // In this header, you should import all the public headers of your framework using statements like #import <FTImageSize/PublicHeader.h>
17 | 
18 | 
19 | 


--------------------------------------------------------------------------------
/FTImageSize/FTImageSize.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | //  FTImageSize.swift
  3 | //  FTImageSize
  4 | //
  5 | //  Created by liufengting on 02/12/2016.
  6 | //  Copyright © 2016 LiuFengting (https://github.com/liufengting) . All rights reserved.
  7 | //
  8 | 
  9 | import UIKit
 10 | 
 11 | public extension FTImageSize {
 12 |     
 13 |     /// get image size, with perfered width and max height
 14 |     ///
 15 |     /// - Parameters:
 16 |     ///   - imageURL: image url
 17 |     ///   - perferdWidth: perferd Width
 18 |     ///   - maxHeight: max height
 19 |     /// - Returns: image size
 20 |     func getImageSizeFromImageURL(_ imageURL: String, perferdWidth: CGFloat, maxHeight: CGFloat = CGFloat(MAXFLOAT)) -> CGSize {
 21 |         return self.convertSize(size: self.getImageSize(imageURL), perferdWidth: perferdWidth, maxHeight: maxHeight)
 22 |     }
 23 |     
 24 |     /// private function: convertImageSize
 25 |     ///
 26 |     /// - Parameters:
 27 |     ///   - size: original image size
 28 |     ///   - perferdWidth: perfered width
 29 |     ///   - maxHeight: max height
 30 |     /// - Returns: image size
 31 |     func convertSize(size: CGSize, perferdWidth: CGFloat, maxHeight: CGFloat = CGFloat(MAXFLOAT)) -> CGSize {
 32 |         var convertedSize : CGSize = CGSize.zero
 33 |         if size.width == 0 || size.height == 0 {
 34 |             return CGSize(width: perferdWidth, height: perferdWidth)
 35 |         }
 36 |         convertedSize.width = perferdWidth
 37 |         convertedSize.height = min((size.height * perferdWidth) / size.width, maxHeight)
 38 |         return convertedSize
 39 |     }
 40 | }
 41 | 
 42 | public class FTImageSize: NSObject {
 43 |     
 44 |     public static var shared: FTImageSize = {
 45 |         return FTImageSize()
 46 |     }()
 47 |     
 48 |     /// get remote image original size with image url
 49 |     ///
 50 |     /// - Parameter imageURL: image url
 51 |     /// - Returns: image original size
 52 |     public func getImageSize(_ urlString: String) -> CGSize {
 53 |         self.getImageSize(URL(string: urlString))
 54 |     }
 55 | 
 56 |     
 57 |     public func getImageSize(_ url: URL?)  -> CGSize {
 58 |         guard let url = url else {
 59 |             return  CGSize.zero
 60 |         }
 61 |         var size = CGSize.zero
 62 |         let pathExtendsion = url.pathExtension.lowercased()
 63 |         if pathExtendsion == "png" {
 64 |             size = self.getPNGImageSize(url)
 65 |         } else if pathExtendsion == "gif" {
 66 |             size = self.getGIFImageSize(url)
 67 |         } else {
 68 |             size = self.getJPGImageSize(url)
 69 |         }
 70 |         if CGSize.zero.equalTo(size) {
 71 |             size = self.getImageSizeByDownload(url)
 72 |         }
 73 |         return size
 74 |     }
 75 |     
 76 |     
 77 |     private func sendSynchronousRequest(_ urlRequest: URLRequest) -> Data? {
 78 |         var data: Data?
 79 |         let semaphore = DispatchSemaphore(value:0)
 80 |         URLSession.shared.dataTask(with: urlRequest) { (resData, response, error) in
 81 |             data = resData
 82 |             semaphore.signal()
 83 |         }.resume()
 84 |         semaphore.wait()
 85 |         return data
 86 |     }
 87 |     
 88 |     private func getImageSizeByDownload(_ url: URL) -> CGSize {
 89 |         let data = self.sendSynchronousRequest(URLRequest(url: url))
 90 |         guard let data = data else {
 91 |             return CGSize.zero
 92 |         }
 93 |         guard let image = UIImage(data: data) else {
 94 |             return CGSize.zero
 95 |         }
 96 |         return image.size
 97 |     }
 98 |     
 99 |     
100 |     /// private function: getPNGImageSize
101 |     ///
102 |     /// - Parameter request: image request
103 |     /// - Returns: image original size
104 |     private func getPNGImageSize(_ url: URL) -> CGSize {
105 |         var request: URLRequest = URLRequest(url: url)
106 |         request.setValue("bytes=16-23", forHTTPHeaderField: "Range")
107 |         guard let data = self.sendSynchronousRequest(request) else {
108 |             return CGSize.zero
109 |         }
110 | 
111 |         if data.count == 8 {
112 |             var w1:Int = 0
113 |             var w2:Int = 0
114 |             var w3:Int = 0
115 |             var w4:Int = 0
116 |             (data as NSData).getBytes(&w1, range: NSMakeRange(0, 1))
117 |             (data as NSData).getBytes(&w2, range: NSMakeRange(1, 1))
118 |             (data as NSData).getBytes(&w3, range: NSMakeRange(2, 1))
119 |             (data as NSData).getBytes(&w4, range: NSMakeRange(3, 1))
120 |             
121 |             let w = (w1 << 24) + (w2 << 16) + (w3 << 8) + w4
122 |             var h1:Int = 0
123 |             var h2:Int = 0
124 |             var h3:Int = 0
125 |             var h4:Int = 0
126 |             (data as NSData).getBytes(&h1, range: NSMakeRange(4, 1))
127 |             (data as NSData).getBytes(&h2, range: NSMakeRange(5, 1))
128 |             (data as NSData).getBytes(&h3, range: NSMakeRange(6, 1))
129 |             (data as NSData).getBytes(&h4, range: NSMakeRange(7, 1))
130 |             let h = (h1 << 24) + (h2 << 16) + (h3 << 8) + h4
131 |             
132 |             return CGSize(width: CGFloat(w), height: CGFloat(h));
133 |         }
134 |         return CGSize.zero;
135 |     }
136 |     
137 |     /// private function: getGIFImageSize
138 |     ///
139 |     /// - Parameter request: image request
140 |     /// - Returns: image original size
141 |     private func getGIFImageSize(_ url: URL) -> CGSize {
142 |         var request = URLRequest(url: url)
143 |         request.setValue("bytes=6-9", forHTTPHeaderField: "Range")
144 |         guard let data = self.sendSynchronousRequest(request) else {
145 |             return CGSize.zero
146 |         }
147 |         if data.count == 4 {
148 |             var w1:Int = 0
149 |             var w2:Int = 0
150 |                         
151 |             (data as NSData).getBytes(&w1, range: NSMakeRange(0, 1))
152 |             (data as NSData).getBytes(&w2, range: NSMakeRange(1, 1))
153 |             
154 |             let w = w1 + (w2 << 8)
155 |             var h1:Int = 0
156 |             var h2:Int = 0
157 |             
158 |             (data as NSData).getBytes(&h1, range: NSMakeRange(2, 1))
159 |             (data as NSData).getBytes(&h2, range: NSMakeRange(3, 1))
160 |             let h = h1 + (h2 << 8)
161 |             
162 |             return CGSize(width: CGFloat(w), height: CGFloat(h));
163 |         }
164 | 
165 |         return CGSize.zero
166 |     }
167 |     
168 |     /// private function: getJPGImageSize
169 |     ///
170 |     /// - Parameter request: image request
171 |     /// - Returns: image original size
172 |     private func getJPGImageSize(_ url: URL) -> CGSize {
173 |         var request = URLRequest(url: url)
174 |         request.setValue("bytes=0-209", forHTTPHeaderField: "Range")
175 |         guard let data = self.sendSynchronousRequest(request) else {
176 |             return CGSize.zero
177 |         }
178 |         
179 |         if data.count <= 0x58 {
180 |             return CGSize.zero
181 |             
182 |         }
183 |         if data.count < 210 {
184 |             var w1:Int = 0
185 |             var w2:Int = 0
186 |             
187 |             (data as NSData).getBytes(&w1, range: NSMakeRange(0x60, 0x1))
188 |             (data as NSData).getBytes(&w2, range: NSMakeRange(0x61, 0x1))
189 |             
190 |             let w = (w1 << 8) + w2
191 |             var h1:Int = 0
192 |             var h2:Int = 0
193 |             
194 |             (data as NSData).getBytes(&h1, range: NSMakeRange(0x5e, 0x1))
195 |             (data as NSData).getBytes(&h2, range: NSMakeRange(0x5f, 0x1))
196 |             let h = (h1 << 8) + h2
197 |             
198 |             return CGSize(width: CGFloat(w), height: CGFloat(h));
199 |             
200 |         } else {
201 |             var word = 0x0
202 |             (data as NSData).getBytes(&word, range: NSMakeRange(0x15, 0x1))
203 |             if word == 0xdb {
204 |                 (data as NSData).getBytes(&word, range: NSMakeRange(0x5a, 0x1))
205 |                 if word == 0xdb {
206 |                     var w1:Int = 0
207 |                     var w2:Int = 0
208 |                     
209 |                     (data as NSData).getBytes(&w1, range: NSMakeRange(0xa5, 0x1))
210 |                     (data as NSData).getBytes(&w2, range: NSMakeRange(0xa6, 0x1))
211 |                     
212 |                     let w = (w1 << 8) + w2
213 |                     var h1:Int = 0
214 |                     var h2:Int = 0
215 |                     
216 |                     (data as NSData).getBytes(&h1, range: NSMakeRange(0xa3, 0x1))
217 |                     (data as NSData).getBytes(&h2, range: NSMakeRange(0xa4, 0x1))
218 |                     let h = (h1 << 8) + h2
219 |                     
220 |                     return CGSize(width: CGFloat(w), height: CGFloat(h));
221 |                 } else {
222 |                     var w1:Int = 0
223 |                     var w2:Int = 0
224 |                     
225 |                     (data as NSData).getBytes(&w1, range: NSMakeRange(0x60, 0x1))
226 |                     (data as NSData).getBytes(&w2, range: NSMakeRange(0x61, 0x1))
227 |                     
228 |                     let w = (w1 << 8) + w2
229 |                     var h1:Int = 0
230 |                     var h2:Int = 0
231 |                     
232 |                     (data as NSData).getBytes(&h1, range: NSMakeRange(0x5e, 0x1))
233 |                     (data as NSData).getBytes(&h2, range: NSMakeRange(0x5f, 0x1))
234 |                     let h = (h1 << 8) + h2
235 |                     
236 |                     return CGSize(width: CGFloat(w), height: CGFloat(h));
237 |                 }
238 |             } else {
239 |                 return CGSize.zero;
240 |             }
241 |         }
242 |     }
243 | }
244 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2016 Liu Fengting
 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 | 


--------------------------------------------------------------------------------
/Package.swift:
--------------------------------------------------------------------------------
 1 | // swift-tools-version:5.0
 2 | 
 3 | import PackageDescription
 4 | 
 5 | let package = Package(
 6 |     name: "FTImageSize",
 7 |     platforms: [ .iOS(.v12), .macOS(.v10_14)],
 8 |     products: [
 9 |         .library(name: "FTImageSize", targets: ["FTImageSize"]),
10 |     ],
11 |     targets: [
12 |         .target(name: "FTImageSize", path: "FTImageSize")
13 |     ],
14 |     swiftLanguageVersions: [.v5]
15 | )
16 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # FTImageSize
2 | 
3 | FTImageSize. Get image size from remote image url synchronously, without downloading it.
4 | 
5 | [See full demo](https://github.com/liufengting/FTPinterest)
6 | 
7 | 
8 | 


--------------------------------------------------------------------------------