├── ReadmeResource ├── 1.gif ├── 2.jpeg ├── 3.png ├── 4.gif ├── 5.png ├── 6.gif ├── license.png ├── support.png ├── introduce.png └── platform.png ├── Example ├── Example │ ├── imgae │ │ ├── 11.png │ │ └── 22.png │ ├── MoreViewController.h │ ├── ViewController.h │ ├── Masonry │ │ ├── MASLayoutConstraint.m │ │ ├── NSLayoutConstraint+MASDebugAdditions.h │ │ ├── MASLayoutConstraint.h │ │ ├── MASCompositeConstraint.h │ │ ├── ViewController+MASAdditions.h │ │ ├── ViewController+MASAdditions.m │ │ ├── Masonry.h │ │ ├── Info.plist │ │ ├── NSArray+MASShorthandAdditions.h │ │ ├── MASViewAttribute.m │ │ ├── MASViewAttribute.h │ │ ├── MASViewConstraint.h │ │ ├── NSArray+MASAdditions.m │ │ ├── NSArray+MASAdditions.h │ │ ├── MASConstraint+Private.h │ │ ├── View+MASAdditions.h │ │ ├── View+MASShorthandAdditions.h │ │ ├── MASCompositeConstraint.m │ │ ├── MASConstraintMaker.h │ │ ├── View+MASAdditions.m │ │ ├── NSLayoutConstraint+MASDebugAdditions.m │ │ ├── MASUtilities.h │ │ ├── MASConstraint.h │ │ ├── MASConstraint.m │ │ ├── MASConstraintMaker.m │ │ └── MASViewConstraint.m │ ├── AppDelegate.h │ ├── main.m │ ├── Globals.h │ ├── Assets.xcassets │ │ └── AppIcon.appiconset │ │ │ └── Contents.json │ ├── Info.plist │ ├── Base.lproj │ │ ├── Main.storyboard │ │ └── LaunchScreen.storyboard │ ├── AppDelegate.m │ ├── MoreViewController.m │ └── ViewController.m └── Example.xcodeproj │ ├── xcuserdata │ └── Balzac.xcuserdatad │ │ ├── xcdebugger │ │ └── Breakpoints_v2.xcbkptlist │ │ └── xcschemes │ │ ├── xcschememanagement.plist │ │ └── Example.xcscheme │ ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcuserdata │ │ └── Balzac.xcuserdatad │ │ └── UserInterfaceState.xcuserstate │ └── project.pbxproj ├── WHGradientHelper ├── WHGradientHelper.h └── WHGradientHelper.m ├── .gitignore └── README.md /ReadmeResource/1.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/whbalzac/WHGradientHelper/HEAD/ReadmeResource/1.gif 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https://raw.githubusercontent.com/whbalzac/WHGradientHelper/HEAD/Example/Example.xcodeproj/project.xcworkspace/xcuserdata/Balzac.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /Example/Example/MoreViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // MoreViewController.h 3 | // Example 4 | // 5 | // Created by whbalzac on 3/27/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface MoreViewController : UIViewController 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Example/Example/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController 12 | 13 | 14 | @end 15 | 16 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASLayoutConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASLayoutConstraint.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "MASLayoutConstraint.h" 10 | 11 | @implementation MASLayoutConstraint 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Example/Example/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. 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 | -------------------------------------------------------------------------------- /Example/Example/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. 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 | -------------------------------------------------------------------------------- /Example/Example/Masonry/NSLayoutConstraint+MASDebugAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // NSLayoutConstraint+MASDebugAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * makes debug and log output of NSLayoutConstraints more readable 13 | */ 14 | @interface NSLayoutConstraint (MASDebugAdditions) 15 | 16 | @end 17 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASLayoutConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASLayoutConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * When you are debugging or printing the constraints attached to a view this subclass 13 | * makes it easier to identify which constraints have been created via Masonry 14 | */ 15 | @interface MASLayoutConstraint : NSLayoutConstraint 16 | 17 | /** 18 | * a key to associate with this constraint 19 | */ 20 | @property (nonatomic, strong) id mas_key; 21 | 22 | @end 23 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASCompositeConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASCompositeConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraint.h" 10 | #import "MASUtilities.h" 11 | 12 | /** 13 | * A group of MASConstraint objects 14 | */ 15 | @interface MASCompositeConstraint : MASConstraint 16 | 17 | /** 18 | * Creates a composite with a predefined array of children 19 | * 20 | * @param children child MASConstraints 21 | * 22 | * @return a composite constraint 23 | */ 24 | - (id)initWithChildren:(NSArray *)children; 25 | 26 | @end 27 | -------------------------------------------------------------------------------- /Example/Example.xcodeproj/xcuserdata/Balzac.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | Example.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | A52B76C51E7FBA6500938AEA 16 | 17 | primary 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /Example/Example/Masonry/ViewController+MASAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIViewController+MASAdditions.h 3 | // Masonry 4 | // 5 | // Created by Craig Siemens on 2015-06-23. 6 | // 7 | // 8 | 9 | #import "MASUtilities.h" 10 | #import "MASConstraintMaker.h" 11 | #import "MASViewAttribute.h" 12 | 13 | #ifdef MAS_VIEW_CONTROLLER 14 | 15 | @interface MAS_VIEW_CONTROLLER (MASAdditions) 16 | 17 | /** 18 | * following properties return a new MASViewAttribute with appropriate UILa 8youtGuide and NSLayoutAttribute 19 | */ 20 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_topLayoutGuide; 21 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottomLayoutGuide; 22 | 23 | @end 24 | 25 | #endif 26 | -------------------------------------------------------------------------------- /Example/Example/Masonry/ViewController+MASAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIViewController+MASAdditions.m 3 | // Masonry 4 | // 5 | // Created by Craig Siemens on 2015-06-23. 6 | // 7 | // 8 | 9 | #import "ViewController+MASAdditions.h" 10 | 11 | #ifdef MAS_VIEW_CONTROLLER 12 | 13 | @implementation MAS_VIEW_CONTROLLER (MASAdditions) 14 | 15 | - (MASViewAttribute *)mas_topLayoutGuide { 16 | return [[MASViewAttribute alloc] initWithView:self.view item:self.topLayoutGuide layoutAttribute:NSLayoutAttributeBottom]; 17 | } 18 | 19 | - (MASViewAttribute *)mas_bottomLayoutGuide { 20 | return [[MASViewAttribute alloc] initWithView:self.view item:self.bottomLayoutGuide layoutAttribute:NSLayoutAttributeTop]; 21 | } 22 | 23 | @end 24 | 25 | #endif 26 | -------------------------------------------------------------------------------- /Example/Example/Masonry/Masonry.h: -------------------------------------------------------------------------------- 1 | // 2 | // Masonry.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | //! Project version number for Masonry. 12 | FOUNDATION_EXPORT double MasonryVersionNumber; 13 | 14 | //! Project version string for Masonry. 15 | FOUNDATION_EXPORT const unsigned char MasonryVersionString[]; 16 | 17 | #import "MASUtilities.h" 18 | #import "View+MASAdditions.h" 19 | #import "View+MASShorthandAdditions.h" 20 | #import "ViewController+MASAdditions.h" 21 | #import "NSArray+MASAdditions.h" 22 | #import "NSArray+MASShorthandAdditions.h" 23 | #import "MASConstraint.h" 24 | #import "MASCompositeConstraint.h" 25 | #import "MASViewAttribute.h" 26 | #import "MASViewConstraint.h" 27 | #import "MASConstraintMaker.h" 28 | #import "MASLayoutConstraint.h" 29 | #import "NSLayoutConstraint+MASDebugAdditions.h" 30 | -------------------------------------------------------------------------------- /Example/Example/Masonry/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | com.cloudling.$(PRODUCT_NAME:rfc1034identifier) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(CURRENT_PROJECT_VERSION) 23 | NSPrincipalClass 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /Example/Example/Masonry/NSArray+MASShorthandAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // NSArray+MASShorthandAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 22/07/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "NSArray+MASAdditions.h" 10 | 11 | #ifdef MAS_SHORTHAND 12 | 13 | /** 14 | * Shorthand array additions without the 'mas_' prefixes, 15 | * only enabled if MAS_SHORTHAND is defined 16 | */ 17 | @interface NSArray (MASShorthandAdditions) 18 | 19 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *make))block; 20 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *make))block; 21 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *make))block; 22 | 23 | @end 24 | 25 | @implementation NSArray (MASShorthandAdditions) 26 | 27 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *))block { 28 | return [self mas_makeConstraints:block]; 29 | } 30 | 31 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *))block { 32 | return [self mas_updateConstraints:block]; 33 | } 34 | 35 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *))block { 36 | return [self mas_remakeConstraints:block]; 37 | } 38 | 39 | @end 40 | 41 | #endif 42 | -------------------------------------------------------------------------------- /Example/Example/Globals.h: -------------------------------------------------------------------------------- 1 | // 2 | // Globals.h 3 | // Example 4 | // 5 | // Created by whbalzac on 3/21/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #ifndef Globals_h 10 | #define Globals_h 11 | 12 | #define UIColorFromRGBA(r,g,b,a) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a] 13 | #define UIColorFronHSB(h,s,b) [UIColor colorWithHue:h saturation:s brightness:b alpha:1.0f] 14 | 15 | #define kColor1 UIColorFromRGBA(107,127,255,1.0f) 16 | #define kColor2 UIColorFromRGBA(145,62,245,1.0f) 17 | #define kColor3 UIColorFromRGBA(242,63,159,0.8f) 18 | #define kColor4 UIColorFromRGBA(255,164,221,0.8f) 19 | #define kColor5 UIColorFromRGBA(193,44,255,1.0f) 20 | #define kColor6 UIColorFromRGBA(227,25,168,1.0f) 21 | #define kColor7 UIColorFromRGBA(107,127,255,1.0f) 22 | #define kColor8 UIColorFromRGBA(145,62,245,1.0f) 23 | #define kColor9 UIColorFromRGBA(255,19,183,1.0f) 24 | #define kColor10 UIColorFromRGBA(255,31,74,1.0f) 25 | 26 | #define kColor11 UIColorFromRGBA(153, 70, 255, 0.8f) 27 | #define kColor12 UIColorFromRGBA(98, 168, 250, 0.8f) 28 | 29 | 30 | #endif /* Globals_h */ 31 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASViewAttribute.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASAttribute.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASViewAttribute.h" 10 | 11 | @implementation MASViewAttribute 12 | 13 | - (id)initWithView:(MAS_VIEW *)view layoutAttribute:(NSLayoutAttribute)layoutAttribute { 14 | self = [self initWithView:view item:view layoutAttribute:layoutAttribute]; 15 | return self; 16 | } 17 | 18 | - (id)initWithView:(MAS_VIEW *)view item:(id)item layoutAttribute:(NSLayoutAttribute)layoutAttribute { 19 | self = [super init]; 20 | if (!self) return nil; 21 | 22 | _view = view; 23 | _item = item; 24 | _layoutAttribute = layoutAttribute; 25 | 26 | return self; 27 | } 28 | 29 | - (BOOL)isSizeAttribute { 30 | return self.layoutAttribute == NSLayoutAttributeWidth 31 | || self.layoutAttribute == NSLayoutAttributeHeight; 32 | } 33 | 34 | - (BOOL)isEqual:(MASViewAttribute *)viewAttribute { 35 | if ([viewAttribute isKindOfClass:self.class]) { 36 | return self.view == viewAttribute.view 37 | && self.layoutAttribute == viewAttribute.layoutAttribute; 38 | } 39 | return [super isEqual:viewAttribute]; 40 | } 41 | 42 | - (NSUInteger)hash { 43 | return MAS_NSUINTROTATE([self.view hash], MAS_NSUINT_BIT / 2) ^ self.layoutAttribute; 44 | } 45 | 46 | @end 47 | -------------------------------------------------------------------------------- /Example/Example/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "29x29", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "40x40", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "40x40", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "60x60", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "60x60", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "ipad", 35 | "size" : "29x29", 36 | "scale" : "1x" 37 | }, 38 | { 39 | "idiom" : "ipad", 40 | "size" : "29x29", 41 | "scale" : "2x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "40x40", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "40x40", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "76x76", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "76x76", 61 | "scale" : "2x" 62 | } 63 | ], 64 | "info" : { 65 | "version" : 1, 66 | "author" : "xcode" 67 | } 68 | } -------------------------------------------------------------------------------- /Example/Example/Masonry/MASViewAttribute.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASAttribute.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * An immutable tuple which stores the view and the related NSLayoutAttribute. 13 | * Describes part of either the left or right hand side of a constraint equation 14 | */ 15 | @interface MASViewAttribute : NSObject 16 | 17 | /** 18 | * The view which the reciever relates to. Can be nil if item is not a view. 19 | */ 20 | @property (nonatomic, weak, readonly) MAS_VIEW *view; 21 | 22 | /** 23 | * The item which the reciever relates to. 24 | */ 25 | @property (nonatomic, weak, readonly) id item; 26 | 27 | /** 28 | * The attribute which the reciever relates to 29 | */ 30 | @property (nonatomic, assign, readonly) NSLayoutAttribute layoutAttribute; 31 | 32 | /** 33 | * Convenience initializer. 34 | */ 35 | - (id)initWithView:(MAS_VIEW *)view layoutAttribute:(NSLayoutAttribute)layoutAttribute; 36 | 37 | /** 38 | * The designated initializer. 39 | */ 40 | - (id)initWithView:(MAS_VIEW *)view item:(id)item layoutAttribute:(NSLayoutAttribute)layoutAttribute; 41 | 42 | /** 43 | * Determine whether the layoutAttribute is a size attribute 44 | * 45 | * @return YES if layoutAttribute is equal to NSLayoutAttributeWidth or NSLayoutAttributeHeight 46 | */ 47 | - (BOOL)isSizeAttribute; 48 | 49 | @end 50 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASViewConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASViewAttribute.h" 10 | #import "MASConstraint.h" 11 | #import "MASLayoutConstraint.h" 12 | #import "MASUtilities.h" 13 | 14 | /** 15 | * A single constraint. 16 | * Contains the attributes neccessary for creating a NSLayoutConstraint and adding it to the appropriate view 17 | */ 18 | @interface MASViewConstraint : MASConstraint 19 | 20 | /** 21 | * First item/view and first attribute of the NSLayoutConstraint 22 | */ 23 | @property (nonatomic, strong, readonly) MASViewAttribute *firstViewAttribute; 24 | 25 | /** 26 | * Second item/view and second attribute of the NSLayoutConstraint 27 | */ 28 | @property (nonatomic, strong, readonly) MASViewAttribute *secondViewAttribute; 29 | 30 | /** 31 | * initialises the MASViewConstraint with the first part of the equation 32 | * 33 | * @param firstViewAttribute view.mas_left, view.mas_width etc. 34 | * 35 | * @return a new view constraint 36 | */ 37 | - (id)initWithFirstViewAttribute:(MASViewAttribute *)firstViewAttribute; 38 | 39 | /** 40 | * Returns all MASViewConstraints installed with this view as a first item. 41 | * 42 | * @param view A view to retrieve constraints for. 43 | * 44 | * @return An array of MASViewConstraints. 45 | */ 46 | + (NSArray *)installedConstraintsForView:(MAS_VIEW *)view; 47 | 48 | @end 49 | -------------------------------------------------------------------------------- /Example/Example/Masonry/NSArray+MASAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // NSArray+MASAdditions.m 3 | // 4 | // 5 | // Created by Daniel Hammond on 11/26/13. 6 | // 7 | // 8 | 9 | #import "NSArray+MASAdditions.h" 10 | #import "View+MASAdditions.h" 11 | 12 | @implementation NSArray (MASAdditions) 13 | 14 | - (NSArray *)mas_makeConstraints:(void(^)(MASConstraintMaker *make))block { 15 | NSMutableArray *constraints = [NSMutableArray array]; 16 | for (MAS_VIEW *view in self) { 17 | NSAssert([view isKindOfClass:[MAS_VIEW class]], @"All objects in the array must be views"); 18 | [constraints addObjectsFromArray:[view mas_makeConstraints:block]]; 19 | } 20 | return constraints; 21 | } 22 | 23 | - (NSArray *)mas_updateConstraints:(void(^)(MASConstraintMaker *make))block { 24 | NSMutableArray *constraints = [NSMutableArray array]; 25 | for (MAS_VIEW *view in self) { 26 | NSAssert([view isKindOfClass:[MAS_VIEW class]], @"All objects in the array must be views"); 27 | [constraints addObjectsFromArray:[view mas_updateConstraints:block]]; 28 | } 29 | return constraints; 30 | } 31 | 32 | - (NSArray *)mas_remakeConstraints:(void(^)(MASConstraintMaker *make))block { 33 | NSMutableArray *constraints = [NSMutableArray array]; 34 | for (MAS_VIEW *view in self) { 35 | NSAssert([view isKindOfClass:[MAS_VIEW class]], @"All objects in the array must be views"); 36 | [constraints addObjectsFromArray:[view mas_remakeConstraints:block]]; 37 | } 38 | return constraints; 39 | } 40 | 41 | @end 42 | -------------------------------------------------------------------------------- /Example/Example/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleDisplayName 8 | Grandient 9 | CFBundleExecutable 10 | $(EXECUTABLE_NAME) 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | $(PRODUCT_NAME) 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | 1.0 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UIRequiredDeviceCapabilities 30 | 31 | armv7 32 | 33 | UISupportedInterfaceOrientations 34 | 35 | UIInterfaceOrientationPortrait 36 | UIInterfaceOrientationLandscapeLeft 37 | UIInterfaceOrientationLandscapeRight 38 | 39 | UISupportedInterfaceOrientations~ipad 40 | 41 | UIInterfaceOrientationPortrait 42 | UIInterfaceOrientationPortraitUpsideDown 43 | UIInterfaceOrientationLandscapeLeft 44 | UIInterfaceOrientationLandscapeRight 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /Example/Example/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 | -------------------------------------------------------------------------------- /Example/Example/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 | -------------------------------------------------------------------------------- /Example/Example/Masonry/NSArray+MASAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // NSArray+MASAdditions.h 3 | // 4 | // 5 | // Created by Daniel Hammond on 11/26/13. 6 | // 7 | // 8 | 9 | #import "MASUtilities.h" 10 | #import "MASConstraintMaker.h" 11 | #import "MASViewAttribute.h" 12 | 13 | @interface NSArray (MASAdditions) 14 | 15 | /** 16 | * Creates a MASConstraintMaker with each view in the callee. 17 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing on each view 18 | * 19 | * @param block scope within which you can build up the constraints which you wish to apply to each view. 20 | * 21 | * @return Array of created MASConstraints 22 | */ 23 | - (NSArray *)mas_makeConstraints:(void(^)(MASConstraintMaker *make))block; 24 | 25 | /** 26 | * Creates a MASConstraintMaker with each view in the callee. 27 | * Any constraints defined are added to each view or the appropriate superview once the block has finished executing on each view. 28 | * If an existing constraint exists then it will be updated instead. 29 | * 30 | * @param block scope within which you can build up the constraints which you wish to apply to each view. 31 | * 32 | * @return Array of created/updated MASConstraints 33 | */ 34 | - (NSArray *)mas_updateConstraints:(void(^)(MASConstraintMaker *make))block; 35 | 36 | /** 37 | * Creates a MASConstraintMaker with each view in the callee. 38 | * Any constraints defined are added to each view or the appropriate superview once the block has finished executing on each view. 39 | * All constraints previously installed for the views will be removed. 40 | * 41 | * @param block scope within which you can build up the constraints which you wish to apply to each view. 42 | * 43 | * @return Array of created/updated MASConstraints 44 | */ 45 | - (NSArray *)mas_remakeConstraints:(void(^)(MASConstraintMaker *make))block; 46 | 47 | @end 48 | -------------------------------------------------------------------------------- /WHGradientHelper/WHGradientHelper.h: -------------------------------------------------------------------------------- 1 | // 2 | // WHGradientHelper.h 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | #define kDefaultWidth 200 12 | #define kDefaultHeight 200 13 | 14 | typedef NS_ENUM(NSInteger, WHGradientDirection) { 15 | WHLinearGradientDirectionLevel, //AC - BD 16 | WHLinearGradientDirectionVertical, //AB - CD 17 | WHLinearGradientDirectionUpwardDiagonalLine, //A - D 18 | WHLinearGradientDirectionDownDiagonalLine, //C - B 19 | }; 20 | // A B 21 | // _________ 22 | // | | 23 | // | | 24 | // --------- 25 | // C D 26 | 27 | @interface WHGradientHelper : NSObject 28 | 29 | // Linear Gradient 30 | + (UIImage *)getLinearGradientImage:(UIColor *)startColor and:(UIColor *)endColor directionType:(WHGradientDirection)directionType;/* CGSizeMake(kDefaultWidth, kDefaultHeight) */ 31 | + (UIImage *)getLinearGradientImage:(UIColor *)startColor and:(UIColor *)endColor directionType:(WHGradientDirection)directionType option:(CGSize)size; 32 | 33 | // Radial Gradient 34 | + (UIImage *)getRadialGradientImage:(UIColor *)centerColor and:(UIColor *)outColor;/* raduis = kDefaultWidth / 2 */ 35 | + (UIImage *)getRadialGradientImage:(UIColor *)centerColor and:(UIColor *)outColor option:(CGSize)size; 36 | 37 | // ChromatoAnimation 38 | + (void)addGradientChromatoAnimation:(UIView *)view; 39 | 40 | // LableText LinearGradient and ChromatoAnimation 41 | + (void)addLinearGradientForLableText:(UIView *)parentView lable:(UILabel *)lable start:(UIColor *)startColor and:(UIColor *)endColor; /* don't need call 'addSubview:' for lable */ 42 | + (void)addGradientChromatoAnimationForLableText:(UIView *)parentView lable:(UILabel *)lable; /* don't need call 'addSubview:' for lable */ 43 | 44 | @end 45 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASConstraint+Private.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint+Private.h 3 | // Masonry 4 | // 5 | // Created by Nick Tymchenko on 29/04/14. 6 | // Copyright (c) 2014 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraint.h" 10 | 11 | @protocol MASConstraintDelegate; 12 | 13 | 14 | @interface MASConstraint () 15 | 16 | /** 17 | * Whether or not to check for an existing constraint instead of adding constraint 18 | */ 19 | @property (nonatomic, assign) BOOL updateExisting; 20 | 21 | /** 22 | * Usually MASConstraintMaker but could be a parent MASConstraint 23 | */ 24 | @property (nonatomic, weak) id delegate; 25 | 26 | /** 27 | * Based on a provided value type, is equal to calling: 28 | * NSNumber - setOffset: 29 | * NSValue with CGPoint - setPointOffset: 30 | * NSValue with CGSize - setSizeOffset: 31 | * NSValue with MASEdgeInsets - setInsets: 32 | */ 33 | - (void)setLayoutConstantWithValue:(NSValue *)value; 34 | 35 | @end 36 | 37 | 38 | @interface MASConstraint (Abstract) 39 | 40 | /** 41 | * Sets the constraint relation to given NSLayoutRelation 42 | * returns a block which accepts one of the following: 43 | * MASViewAttribute, UIView, NSValue, NSArray 44 | * see readme for more details. 45 | */ 46 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation; 47 | 48 | /** 49 | * Override to set a custom chaining behaviour 50 | */ 51 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute; 52 | 53 | @end 54 | 55 | 56 | @protocol MASConstraintDelegate 57 | 58 | /** 59 | * Notifies the delegate when the constraint needs to be replaced with another constraint. For example 60 | * A MASViewConstraint may turn into a MASCompositeConstraint when an array is passed to one of the equality blocks 61 | */ 62 | - (void)constraint:(MASConstraint *)constraint shouldBeReplacedWithConstraint:(MASConstraint *)replacementConstraint; 63 | 64 | - (MASConstraint *)constraint:(MASConstraint *)constraint addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute; 65 | 66 | @end 67 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .orig 2 | .vscode/ 3 | Pods/ 4 | Podfile.lock 5 | .xcscheme 6 | 7 | *.DS_Store 8 | .AppleDouble 9 | .LSOverride 10 | 11 | # Icon must end with two \r 12 | Icon 13 | 14 | 15 | # Thumbnails 16 | ._* 17 | 18 | # Files that might appear in the root of a volume 19 | .DocumentRevisions-V100 20 | .fseventsd 21 | .Spotlight-V100 22 | .TemporaryItems 23 | .Trashes 24 | .VolumeIcon.icns 25 | .com.apple.timemachine.donotpresent 26 | 27 | # Directories potentially created on remote AFP share 28 | .AppleDB 29 | .AppleDesktop 30 | Network Trash Folder 31 | Temporary Items 32 | .apdisk 33 | 34 | # Xcode 35 | # 36 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 37 | 38 | ## Build generated 39 | build/ 40 | DerivedData/ 41 | 42 | ## Various settings 43 | *.pbxuser 44 | !default.pbxuser 45 | *.mode1v3 46 | !default.mode1v3 47 | *.mode2v3 48 | !default.mode2v3 49 | *.perspectivev3 50 | !default.perspectivev3 51 | xcuserdata/ 52 | 53 | ## Other 54 | *.moved-aside 55 | *.xcuserstate 56 | 57 | ## Obj-C/Swift specific 58 | *.hmap 59 | *.ipa 60 | *.dSYM.zip 61 | *.dSYM 62 | 63 | # CocoaPods 64 | # 65 | # We recommend against adding the Pods directory to your .gitignore. However 66 | # you should judge for yourself, the pros and cons are mentioned at: 67 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 68 | # 69 | # Pods/ 70 | 71 | # Carthage 72 | # 73 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 74 | # Carthage/Checkouts 75 | 76 | Carthage/Build 77 | 78 | # fastlane 79 | # 80 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 81 | # screenshots whenever they are needed. 82 | # For more information about the recommended setup visit: 83 | # https://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md 84 | 85 | fastlane/report.xml 86 | fastlane/screenshots 87 | 88 | # Code Injection 89 | # 90 | # After new code Injection tools there's a generated folder /iOSInjectionProject 91 | # https://github.com/johnno1962/injectionforxcode 92 | 93 | iOSInjectionProject/ 94 | 95 | */xcuserdata/ 96 | *.orig 97 | *.xcworkspace/ -------------------------------------------------------------------------------- /Example/Example/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | #import "ViewController.h" 11 | 12 | @interface AppDelegate () 13 | 14 | @end 15 | 16 | @implementation AppDelegate 17 | 18 | 19 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 20 | // Override point for customization after application launch. 21 | 22 | self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[[ViewController alloc] init]]; 23 | 24 | return YES; 25 | } 26 | 27 | 28 | - (void)applicationWillResignActive:(UIApplication *)application { 29 | // 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. 30 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 31 | } 32 | 33 | 34 | - (void)applicationDidEnterBackground:(UIApplication *)application { 35 | // 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. 36 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 37 | } 38 | 39 | 40 | - (void)applicationWillEnterForeground:(UIApplication *)application { 41 | // 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. 42 | } 43 | 44 | 45 | - (void)applicationDidBecomeActive:(UIApplication *)application { 46 | // 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. 47 | } 48 | 49 | 50 | - (void)applicationWillTerminate:(UIApplication *)application { 51 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 52 | } 53 | 54 | 55 | @end 56 | -------------------------------------------------------------------------------- /Example/Example/MoreViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // MoreViewController.m 3 | // Example 4 | // 5 | // Created by whbalzac on 3/27/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import "MoreViewController.h" 10 | #import "WHGradientHelper.h" 11 | #import "Globals.h" 12 | #import "Masonry.h" 13 | 14 | @interface MoreViewController () 15 | 16 | @end 17 | 18 | @implementation MoreViewController 19 | 20 | - (void)viewDidLoad { 21 | [super viewDidLoad]; 22 | // Do any additional setup after loading the view. 23 | 24 | self.view.backgroundColor = [UIColor whiteColor]; 25 | 26 | UIImageView *imgViewLogo = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Logo111.png"]]; 27 | [self.view addSubview:imgViewLogo]; 28 | [imgViewLogo mas_makeConstraints:^(MASConstraintMaker *make) { 29 | make.top.mas_equalTo(self.view.mas_top).offset(100); 30 | make.centerX.mas_equalTo(self.view); 31 | make.height.mas_equalTo(128 * 0.8); 32 | make.width.mas_equalTo(626 * 0.8); 33 | }]; 34 | 35 | UIImageView *imgLable = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"11.png"]]; 36 | imgLable.contentMode = UIViewContentModeScaleToFill; 37 | [imgViewLogo addSubview:imgLable]; 38 | [imgLable mas_makeConstraints:^(MASConstraintMaker *make) { 39 | make.edges.mas_equalTo(imgViewLogo); 40 | }]; 41 | 42 | [self.view setNeedsLayout]; 43 | [self.view layoutIfNeeded]; 44 | 45 | 46 | [WHGradientHelper addGradientChromatoAnimation:imgViewLogo]; 47 | 48 | 49 | // lable 50 | UILabel* lable1 = [[UILabel alloc] initWithFrame:CGRectMake(0, 300, 375, 50)]; 51 | lable1.textAlignment = NSTextAlignmentCenter; 52 | lable1.text = @"交流故事，沟通想法"; 53 | lable1.font = [UIFont systemFontOfSize:28]; 54 | [WHGradientHelper addLinearGradientForLableText:self.view lable:lable1 start:[UIColor blueColor] and:[UIColor greenColor]]; 55 | 56 | UILabel* lable2 = [[UILabel alloc] initWithFrame:CGRectMake(0, 440, 375, 50)]; 57 | lable2.textAlignment = NSTextAlignmentCenter; 58 | lable2.text = @"交流故事，沟通想法"; 59 | lable2.font = [UIFont systemFontOfSize:28]; 60 | [WHGradientHelper addGradientChromatoAnimationForLableText:self.view lable:lable2]; 61 | 62 | 63 | 64 | self.view.userInteractionEnabled = YES; 65 | UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissBtn:)]; 66 | tapRecognizer.numberOfTapsRequired = 1; 67 | [self.view addGestureRecognizer:tapRecognizer]; 68 | } 69 | 70 | #pragma mark - buttonAction 71 | - (void)dismissBtn:(UITapGestureRecognizer *)gesture 72 | { 73 | [self dismissViewControllerAnimated:YES completion:nil]; 74 | } 75 | 76 | @end 77 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | 3 |
4 | 5 | 6 | 7 |
8 | 9 | ## WHGradientHelper 10 | iOS渐变，支持——线性渐变，径向渐变，渐变动画，lable字体渐变，lable字体渐变动画 11 | 12 | #### 最终效果： 13 | 14 | 15 | 16 | - [x] 线性渐变 17 | - [x] 径向渐变 18 | - [x] 渐变动画 19 | - [x] Lable字体渐变 20 | - [x] Lable字体渐变动画 21 | 22 | #### 1. 线性渐变(Linear Gradient) 23 | “线性渐变”按照渐变方向分成4种类型，分别是： 24 | 25 | ```objective-c 26 | typedef NS_ENUM(NSInteger, WHGradientDirection) { 27 | WHLinearGradientDirectionLevel, //AC - BD 28 | WHLinearGradientDirectionVertical, //AB - CD 29 | WHLinearGradientDirectionUpwardDiagonalLine, //A - D 30 | WHLinearGradientDirectionDownDiagonalLine, //C - B 31 | }; 32 | // A B 33 | // _________ 34 | // | | 35 | // | | 36 | // --------- 37 | // C D 38 | ``` 39 | 40 | 41 | 42 | #### 2. 径向渐变(Radial Gradient) 43 | 44 | 45 | 46 | #### 3. 渐变动画(ChromatoAnimation) 47 | 48 | 49 | 50 | #### 4. Lable字体渐变 51 | 52 | 53 | 54 | #### 5. Lable字体渐变动画 55 | 56 | 57 | 58 | 59 | ## WHGradientHelper头文件及使用 60 | 61 | ```objective-c 62 | #import 63 | 64 | #define kDefaultWidth 200 65 | #define kDefaultHeight 200 66 | 67 | typedef NS_ENUM(NSInteger, WHGradientDirection) { 68 | WHLinearGradientDirectionLevel, //AC - BD 69 | WHLinearGradientDirectionVertical, //AB - CD 70 | WHLinearGradientDirectionUpwardDiagonalLine, //A - D 71 | WHLinearGradientDirectionDownDiagonalLine, //C - B 72 | }; 73 | // A B 74 | // _________ 75 | // | | 76 | // | | 77 | // --------- 78 | // C D 79 | 80 | @interface WHGradientHelper : NSObject 81 | 82 | // Linear Gradient 83 | + (UIImage *)getLinearGradientImage:(UIColor *)startColor and:(UIColor *)endColor directionType:(WHGradientDirection)directionType;/* CGSizeMake(kDefaultWidth, kDefaultHeight) */ 84 | + (UIImage *)getLinearGradientImage:(UIColor *)startColor and:(UIColor *)endColor directionType:(WHGradientDirection)directionType option:(CGSize)size; 85 | 86 | // Radial Gradient 87 | + (UIImage *)getRadialGradientImage:(UIColor *)centerColor and:(UIColor *)outColor;/* raduis = kDefaultWidth / 2 */ 88 | + (UIImage *)getRadialGradientImage:(UIColor *)centerColor and:(UIColor *)outColor option:(CGSize)size; 89 | 90 | // ChromatoAnimation 91 | + (void)addGradientChromatoAnimation:(UIView *)view; 92 | 93 | 94 | // LableText LinearGradient and ChromatoAnimation 95 | + (void)addLinearGradientForLableText:(UIView *)parentView lable:(UILabel *)lable start:(UIColor *)startColor and:(UIColor *)endColor; /* don't need call 'addSubview:' for lable */ 96 | + (void)addGradientChromatoAnimationForLableText:(UIView *)parentView lable:(UILabel *)lable; /* don't need call 'addSubview:' for lable */ 97 | ``` 98 | 99 | ## 具体实现 100 | [简书地址](https://www.jianshu.com/p/1045575db4d0) 101 | -------------------------------------------------------------------------------- /Example/Example.xcodeproj/xcuserdata/Balzac.xcuserdatad/xcschemes/Example.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /Example/Example/Masonry/View+MASAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIView+MASAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | #import "MASConstraintMaker.h" 11 | #import "MASViewAttribute.h" 12 | 13 | /** 14 | * Provides constraint maker block 15 | * and convience methods for creating MASViewAttribute which are view + NSLayoutAttribute pairs 16 | */ 17 | @interface MAS_VIEW (MASAdditions) 18 | 19 | /** 20 | * following properties return a new MASViewAttribute with current view and appropriate NSLayoutAttribute 21 | */ 22 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_left; 23 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_top; 24 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_right; 25 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottom; 26 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_leading; 27 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_trailing; 28 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_width; 29 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_height; 30 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerX; 31 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerY; 32 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_baseline; 33 | @property (nonatomic, strong, readonly) MASViewAttribute *(^mas_attribute)(NSLayoutAttribute attr); 34 | 35 | #if TARGET_OS_IPHONE 36 | 37 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_leftMargin; 38 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_rightMargin; 39 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_topMargin; 40 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottomMargin; 41 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_leadingMargin; 42 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_trailingMargin; 43 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerXWithinMargins; 44 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerYWithinMargins; 45 | 46 | #endif 47 | 48 | /** 49 | * a key to associate with this view 50 | */ 51 | @property (nonatomic, strong) id mas_key; 52 | 53 | /** 54 | * Finds the closest common superview between this view and another view 55 | * 56 | * @param view other view 57 | * 58 | * @return returns nil if common superview could not be found 59 | */ 60 | - (instancetype)mas_closestCommonSuperview:(MAS_VIEW *)view; 61 | 62 | /** 63 | * Creates a MASConstraintMaker with the callee view. 64 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing 65 | * 66 | * @param block scope within which you can build up the constraints which you wish to apply to the view. 67 | * 68 | * @return Array of created MASConstraints 69 | */ 70 | - (NSArray *)mas_makeConstraints:(void(^)(MASConstraintMaker *make))block; 71 | 72 | /** 73 | * Creates a MASConstraintMaker with the callee view. 74 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing. 75 | * If an existing constraint exists then it will be updated instead. 76 | * 77 | * @param block scope within which you can build up the constraints which you wish to apply to the view. 78 | * 79 | * @return Array of created/updated MASConstraints 80 | */ 81 | - (NSArray *)mas_updateConstraints:(void(^)(MASConstraintMaker *make))block; 82 | 83 | /** 84 | * Creates a MASConstraintMaker with the callee view. 85 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing. 86 | * All constraints previously installed for the view will be removed. 87 | * 88 | * @param block scope within which you can build up the constraints which you wish to apply to the view. 89 | * 90 | * @return Array of created/updated MASConstraints 91 | */ 92 | - (NSArray *)mas_remakeConstraints:(void(^)(MASConstraintMaker *make))block; 93 | 94 | @end 95 | -------------------------------------------------------------------------------- /Example/Example/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import "ViewController.h" 10 | #import "WHGradientHelper.h" 11 | #import "Globals.h" 12 | #import "Masonry.h" 13 | #import "MoreViewController.h" 14 | 15 | @interface ViewController () 16 | 17 | 18 | @end 19 | 20 | @implementation ViewController 21 | 22 | - (void)viewDidLoad { 23 | [super viewDidLoad]; 24 | self.view.backgroundColor = [UIColor whiteColor]; 25 | 26 | //navigation 27 | [self.navigationController.navigationBar setBackgroundImage:[WHGradientHelper getLinearGradientImage:kColor1 and:kColor2 directionType:WHLinearGradientDirectionLevel option:CGSizeMake(375, 64)] forBarMetrics:UIBarMetricsDefault]; 28 | 29 | // Linear Gradient 30 | 31 | UIImageView *image000 = [[UIImageView alloc] initWithFrame:CGRectMake(30, 40, 200, 44)]; 32 | image000.layer.masksToBounds = YES; 33 | image000.layer.cornerRadius = 22; 34 | image000.image = [WHGradientHelper getLinearGradientImage:kColor3 and:kColor4 directionType:WHLinearGradientDirectionLevel]; 35 | [self.view addSubview:image000]; 36 | 37 | UIImageView *image111 = [[UIImageView alloc] initWithFrame:CGRectMake(300, 40, 44, 200)]; 38 | image111.layer.masksToBounds = YES; 39 | image111.layer.cornerRadius = 22; 40 | image111.image = [WHGradientHelper getLinearGradientImage:kColor5 and:kColor6 directionType:WHLinearGradientDirectionVertical]; 41 | [self.view addSubview:image111]; 42 | 43 | UIImageView *image222 = [[UIImageView alloc] initWithFrame:CGRectMake(30, 100, 200, 100)]; 44 | image222.image = [WHGradientHelper getLinearGradientImage:kColor7 and:kColor8 directionType:WHLinearGradientDirectionUpwardDiagonalLine]; 45 | [self.view addSubview:image222]; 46 | 47 | UIImageView *image333 = [[UIImageView alloc] initWithFrame:CGRectMake(30, 240, 200, 100)]; 48 | image333.image = [WHGradientHelper getLinearGradientImage:[UIColor blackColor] and:[UIColor whiteColor] directionType:WHLinearGradientDirectionDownDiagonalLine]; 49 | [self.view addSubview:image333]; 50 | 51 | // Radial Gradient 52 | UIImageView *imgViewLeft = [[UIImageView alloc] initWithFrame:CGRectMake(60, 440, 80, 80)]; 53 | imgViewLeft.image = [WHGradientHelper getRadialGradientImage:kColor1 and:kColor2]; 54 | [self.view addSubview:imgViewLeft]; 55 | 56 | UIImageView *imgViewRight = [[UIImageView alloc] initWithFrame:CGRectMake(235, 440, 80, 80)]; 57 | imgViewRight.image = [WHGradientHelper getRadialGradientImage:kColor1 and:kColor2]; 58 | [self.view addSubview:imgViewRight]; 59 | 60 | UIImageView *imgViewMiddle = [[UIImageView alloc] initWithFrame:CGRectMake(180, 510, 15, 15)]; 61 | imgViewMiddle.image = [WHGradientHelper getRadialGradientImage:kColor1 and:kColor2]; 62 | [self.view addSubview:imgViewMiddle]; 63 | 64 | 65 | // ChromatoAnimation 66 | UIImageView *imageView2 = [[UIImageView alloc] init]; 67 | imageView2.layer.masksToBounds = YES; 68 | imageView2.layer.cornerRadius = 22; 69 | 70 | [self.view addSubview:imageView2]; 71 | [imageView2 mas_makeConstraints:^(MASConstraintMaker *make) { 72 | make.left.mas_equalTo(self.view.mas_left).offset(50); 73 | make.centerX.mas_equalTo(self.view); 74 | make.height.mas_equalTo(44); 75 | make.bottom.mas_equalTo(self.view.mas_bottom).offset(-30); 76 | }]; 77 | 78 | [self.view setNeedsLayout]; 79 | [self.view layoutIfNeeded]; 80 | 81 | [WHGradientHelper addGradientChromatoAnimation:imageView2]; 82 | 83 | 84 | //more 85 | UIButton *moreBtn = [[UIButton alloc] initWithFrame:CGRectMake(300, 320, 64, 64)]; 86 | [moreBtn setTitle:@"More" forState:UIControlStateNormal]; 87 | [moreBtn setBackgroundImage:[WHGradientHelper getRadialGradientImage:kColor1 and:kColor2] forState:UIControlStateNormal]; 88 | [moreBtn addTarget:self action:@selector(btnAction) forControlEvents:UIControlEventTouchUpInside]; 89 | [self.view addSubview:moreBtn]; 90 | 91 | } 92 | 93 | #pragma mark - buttonAction 94 | - (void)btnAction 95 | { 96 | MoreViewController *moreVC =[[MoreViewController alloc] init]; 97 | 98 | [self presentViewController:moreVC animated:YES completion:nil]; 99 | } 100 | 101 | 102 | 103 | @end 104 | -------------------------------------------------------------------------------- /Example/Example/Masonry/View+MASShorthandAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIView+MASShorthandAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 22/07/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "View+MASAdditions.h" 10 | 11 | #ifdef MAS_SHORTHAND 12 | 13 | /** 14 | * Shorthand view additions without the 'mas_' prefixes, 15 | * only enabled if MAS_SHORTHAND is defined 16 | */ 17 | @interface MAS_VIEW (MASShorthandAdditions) 18 | 19 | @property (nonatomic, strong, readonly) MASViewAttribute *left; 20 | @property (nonatomic, strong, readonly) MASViewAttribute *top; 21 | @property (nonatomic, strong, readonly) MASViewAttribute *right; 22 | @property (nonatomic, strong, readonly) MASViewAttribute *bottom; 23 | @property (nonatomic, strong, readonly) MASViewAttribute *leading; 24 | @property (nonatomic, strong, readonly) MASViewAttribute *trailing; 25 | @property (nonatomic, strong, readonly) MASViewAttribute *width; 26 | @property (nonatomic, strong, readonly) MASViewAttribute *height; 27 | @property (nonatomic, strong, readonly) MASViewAttribute *centerX; 28 | @property (nonatomic, strong, readonly) MASViewAttribute *centerY; 29 | @property (nonatomic, strong, readonly) MASViewAttribute *baseline; 30 | @property (nonatomic, strong, readonly) MASViewAttribute *(^attribute)(NSLayoutAttribute attr); 31 | 32 | #if TARGET_OS_IPHONE 33 | 34 | @property (nonatomic, strong, readonly) MASViewAttribute *leftMargin; 35 | @property (nonatomic, strong, readonly) MASViewAttribute *rightMargin; 36 | @property (nonatomic, strong, readonly) MASViewAttribute *topMargin; 37 | @property (nonatomic, strong, readonly) MASViewAttribute *bottomMargin; 38 | @property (nonatomic, strong, readonly) MASViewAttribute *leadingMargin; 39 | @property (nonatomic, strong, readonly) MASViewAttribute *trailingMargin; 40 | @property (nonatomic, strong, readonly) MASViewAttribute *centerXWithinMargins; 41 | @property (nonatomic, strong, readonly) MASViewAttribute *centerYWithinMargins; 42 | 43 | #endif 44 | 45 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *make))block; 46 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *make))block; 47 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *make))block; 48 | 49 | @end 50 | 51 | #ifndef PINSSIBLE_OBFUSCATE_ENABLE 52 | 53 | #define pins_mas_top mas_top 54 | #define pins_mas_left mas_left 55 | #define pins_mas_bottom mas_bottom 56 | #define pins_mas_right mas_right 57 | #define pins_mas_leading mas_leading 58 | #define pins_mas_trailing mas_trailing 59 | #define pins_mas_width mas_width 60 | #define pins_mas_height mas_height 61 | #define pins_mas_centerX mas_centerX 62 | #define pins_mas_centerY mas_centerY 63 | #define pins_mas_baseline mas_baseline 64 | #define pins_mas_leftMargin mas_leftMargin 65 | #define pins_mas_rightMargin mas_rightMargin 66 | #define pins_mas_topMargin mas_topMargin 67 | #define pins_mas_bottomMargin mas_bottomMargin 68 | #define pins_mas_leadingMargin mas_leadingMargin 69 | #define pins_mas_trailingMargin mas_trailingMargin 70 | #define pins_mas_centerXWithinMargins mas_centerXWithinMargins 71 | #define pins_mas_centerYWithinMargins mas_centerYWithinMargins 72 | 73 | #endif 74 | 75 | #define MAS_ATTR_FORWARD(attr) \ 76 | - (MASViewAttribute *)attr { \ 77 | return [self pins_mas_##attr]; \ 78 | } 79 | 80 | @implementation MAS_VIEW (MASShorthandAdditions) 81 | 82 | MAS_ATTR_FORWARD(top); 83 | MAS_ATTR_FORWARD(left); 84 | MAS_ATTR_FORWARD(bottom); 85 | MAS_ATTR_FORWARD(right); 86 | MAS_ATTR_FORWARD(leading); 87 | MAS_ATTR_FORWARD(trailing); 88 | MAS_ATTR_FORWARD(width); 89 | MAS_ATTR_FORWARD(height); 90 | MAS_ATTR_FORWARD(centerX); 91 | MAS_ATTR_FORWARD(centerY); 92 | MAS_ATTR_FORWARD(baseline); 93 | 94 | #if TARGET_OS_IPHONE 95 | 96 | MAS_ATTR_FORWARD(leftMargin); 97 | MAS_ATTR_FORWARD(rightMargin); 98 | MAS_ATTR_FORWARD(topMargin); 99 | MAS_ATTR_FORWARD(bottomMargin); 100 | MAS_ATTR_FORWARD(leadingMargin); 101 | MAS_ATTR_FORWARD(trailingMargin); 102 | MAS_ATTR_FORWARD(centerXWithinMargins); 103 | MAS_ATTR_FORWARD(centerYWithinMargins); 104 | 105 | #endif 106 | 107 | - (MASViewAttribute *(^)(NSLayoutAttribute))attribute { 108 | return [self mas_attribute]; 109 | } 110 | 111 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *))block { 112 | return [self mas_makeConstraints:block]; 113 | } 114 | 115 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *))block { 116 | return [self mas_updateConstraints:block]; 117 | } 118 | 119 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *))block { 120 | return [self mas_remakeConstraints:block]; 121 | } 122 | 123 | @end 124 | 125 | #endif 126 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASCompositeConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASCompositeConstraint.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASCompositeConstraint.h" 10 | #import "MASConstraint+Private.h" 11 | 12 | @interface MASCompositeConstraint () 13 | 14 | @property (nonatomic, strong) id mas_key; 15 | @property (nonatomic, strong) NSMutableArray *childConstraints; 16 | 17 | @end 18 | 19 | @implementation MASCompositeConstraint 20 | 21 | - (id)initWithChildren:(NSArray *)children { 22 | self = [super init]; 23 | if (!self) return nil; 24 | 25 | _childConstraints = [children mutableCopy]; 26 | for (MASConstraint *constraint in _childConstraints) { 27 | constraint.delegate = self; 28 | } 29 | 30 | return self; 31 | } 32 | 33 | #pragma mark - MASConstraintDelegate 34 | 35 | - (void)constraint:(MASConstraint *)constraint shouldBeReplacedWithConstraint:(MASConstraint *)replacementConstraint { 36 | NSUInteger index = [self.childConstraints indexOfObject:constraint]; 37 | NSAssert(index != NSNotFound, @"Could not find constraint %@", constraint); 38 | [self.childConstraints replaceObjectAtIndex:index withObject:replacementConstraint]; 39 | } 40 | 41 | - (MASConstraint *)constraint:(MASConstraint __unused *)constraint addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 42 | id strongDelegate = self.delegate; 43 | MASConstraint *newConstraint = [strongDelegate constraint:self addConstraintWithLayoutAttribute:layoutAttribute]; 44 | newConstraint.delegate = self; 45 | [self.childConstraints addObject:newConstraint]; 46 | return newConstraint; 47 | } 48 | 49 | #pragma mark - NSLayoutConstraint multiplier proxies 50 | 51 | - (MASConstraint * (^)(CGFloat))multipliedBy { 52 | return ^id(CGFloat multiplier) { 53 | for (MASConstraint *constraint in self.childConstraints) { 54 | constraint.multipliedBy(multiplier); 55 | } 56 | return self; 57 | }; 58 | } 59 | 60 | - (MASConstraint * (^)(CGFloat))dividedBy { 61 | return ^id(CGFloat divider) { 62 | for (MASConstraint *constraint in self.childConstraints) { 63 | constraint.dividedBy(divider); 64 | } 65 | return self; 66 | }; 67 | } 68 | 69 | #pragma mark - MASLayoutPriority proxy 70 | 71 | - (MASConstraint * (^)(MASLayoutPriority))priority { 72 | return ^id(MASLayoutPriority priority) { 73 | for (MASConstraint *constraint in self.childConstraints) { 74 | constraint.priority(priority); 75 | } 76 | return self; 77 | }; 78 | } 79 | 80 | #pragma mark - NSLayoutRelation proxy 81 | 82 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation { 83 | return ^id(id attr, NSLayoutRelation relation) { 84 | for (MASConstraint *constraint in self.childConstraints.copy) { 85 | constraint.equalToWithRelation(attr, relation); 86 | } 87 | return self; 88 | }; 89 | } 90 | 91 | #pragma mark - attribute chaining 92 | 93 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 94 | [self constraint:self addConstraintWithLayoutAttribute:layoutAttribute]; 95 | return self; 96 | } 97 | 98 | #pragma mark - Animator proxy 99 | 100 | #if TARGET_OS_MAC && !TARGET_OS_IPHONE 101 | 102 | - (MASConstraint *)animator { 103 | for (MASConstraint *constraint in self.childConstraints) { 104 | [constraint animator]; 105 | } 106 | return self; 107 | } 108 | 109 | #endif 110 | 111 | #pragma mark - debug helpers 112 | 113 | - (MASConstraint * (^)(id))key { 114 | return ^id(id key) { 115 | self.mas_key = key; 116 | int i = 0; 117 | for (MASConstraint *constraint in self.childConstraints) { 118 | constraint.key([NSString stringWithFormat:@"%@[%d]", key, i++]); 119 | } 120 | return self; 121 | }; 122 | } 123 | 124 | #pragma mark - NSLayoutConstraint constant setters 125 | 126 | - (void)setInsets:(MASEdgeInsets)insets { 127 | for (MASConstraint *constraint in self.childConstraints) { 128 | [constraint setInsets:insets]; 129 | } 130 | } 131 | 132 | - (void)setOffset:(CGFloat)offset { 133 | for (MASConstraint *constraint in self.childConstraints) { 134 | [constraint setOffset:offset]; 135 | } 136 | } 137 | 138 | - (void)setSizeOffset:(CGSize)sizeOffset { 139 | for (MASConstraint *constraint in self.childConstraints) { 140 | [constraint setSizeOffset:sizeOffset]; 141 | } 142 | } 143 | 144 | - (void)setCenterOffset:(CGPoint)centerOffset { 145 | for (MASConstraint *constraint in self.childConstraints) { 146 | [constraint setCenterOffset:centerOffset]; 147 | } 148 | } 149 | 150 | #pragma mark - MASConstraint 151 | 152 | - (void)activate { 153 | for (MASConstraint *constraint in self.childConstraints) { 154 | [constraint activate]; 155 | } 156 | } 157 | 158 | - (void)deactivate { 159 | for (MASConstraint *constraint in self.childConstraints) { 160 | [constraint deactivate]; 161 | } 162 | } 163 | 164 | - (void)install { 165 | for (MASConstraint *constraint in self.childConstraints) { 166 | constraint.updateExisting = self.updateExisting; 167 | [constraint install]; 168 | } 169 | } 170 | 171 | - (void)uninstall { 172 | for (MASConstraint *constraint in self.childConstraints) { 173 | [constraint uninstall]; 174 | } 175 | } 176 | 177 | @end 178 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASConstraintMaker.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraintBuilder.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraint.h" 10 | #import "MASUtilities.h" 11 | 12 | typedef NS_OPTIONS(NSInteger, MASAttribute) { 13 | MASAttributeLeft = 1 << NSLayoutAttributeLeft, 14 | MASAttributeRight = 1 << NSLayoutAttributeRight, 15 | MASAttributeTop = 1 << NSLayoutAttributeTop, 16 | MASAttributeBottom = 1 << NSLayoutAttributeBottom, 17 | MASAttributeLeading = 1 << NSLayoutAttributeLeading, 18 | MASAttributeTrailing = 1 << NSLayoutAttributeTrailing, 19 | MASAttributeWidth = 1 << NSLayoutAttributeWidth, 20 | MASAttributeHeight = 1 << NSLayoutAttributeHeight, 21 | MASAttributeCenterX = 1 << NSLayoutAttributeCenterX, 22 | MASAttributeCenterY = 1 << NSLayoutAttributeCenterY, 23 | MASAttributeBaseline = 1 << NSLayoutAttributeBaseline, 24 | 25 | #if TARGET_OS_IPHONE 26 | 27 | MASAttributeLeftMargin = 1 << NSLayoutAttributeLeftMargin, 28 | MASAttributeRightMargin = 1 << NSLayoutAttributeRightMargin, 29 | MASAttributeTopMargin = 1 << NSLayoutAttributeTopMargin, 30 | MASAttributeBottomMargin = 1 << NSLayoutAttributeBottomMargin, 31 | MASAttributeLeadingMargin = 1 << NSLayoutAttributeLeadingMargin, 32 | MASAttributeTrailingMargin = 1 << NSLayoutAttributeTrailingMargin, 33 | MASAttributeCenterXWithinMargins = 1 << NSLayoutAttributeCenterXWithinMargins, 34 | MASAttributeCenterYWithinMargins = 1 << NSLayoutAttributeCenterYWithinMargins, 35 | 36 | #endif 37 | 38 | }; 39 | 40 | /** 41 | * Provides factory methods for creating MASConstraints. 42 | * Constraints are collected until they are ready to be installed 43 | * 44 | */ 45 | @interface MASConstraintMaker : NSObject 46 | 47 | /** 48 | * The following properties return a new MASViewConstraint 49 | * with the first item set to the makers associated view and the appropriate MASViewAttribute 50 | */ 51 | @property (nonatomic, strong, readonly) MASConstraint *left; 52 | @property (nonatomic, strong, readonly) MASConstraint *top; 53 | @property (nonatomic, strong, readonly) MASConstraint *right; 54 | @property (nonatomic, strong, readonly) MASConstraint *bottom; 55 | @property (nonatomic, strong, readonly) MASConstraint *leading; 56 | @property (nonatomic, strong, readonly) MASConstraint *trailing; 57 | @property (nonatomic, strong, readonly) MASConstraint *width; 58 | @property (nonatomic, strong, readonly) MASConstraint *height; 59 | @property (nonatomic, strong, readonly) MASConstraint *centerX; 60 | @property (nonatomic, strong, readonly) MASConstraint *centerY; 61 | @property (nonatomic, strong, readonly) MASConstraint *baseline; 62 | 63 | #if TARGET_OS_IPHONE 64 | 65 | @property (nonatomic, strong, readonly) MASConstraint *leftMargin; 66 | @property (nonatomic, strong, readonly) MASConstraint *rightMargin; 67 | @property (nonatomic, strong, readonly) MASConstraint *topMargin; 68 | @property (nonatomic, strong, readonly) MASConstraint *bottomMargin; 69 | @property (nonatomic, strong, readonly) MASConstraint *leadingMargin; 70 | @property (nonatomic, strong, readonly) MASConstraint *trailingMargin; 71 | @property (nonatomic, strong, readonly) MASConstraint *centerXWithinMargins; 72 | @property (nonatomic, strong, readonly) MASConstraint *centerYWithinMargins; 73 | 74 | #endif 75 | 76 | /** 77 | * Returns a block which creates a new MASCompositeConstraint with the first item set 78 | * to the makers associated view and children corresponding to the set bits in the 79 | * MASAttribute parameter. Combine multiple attributes via binary-or. 80 | */ 81 | @property (nonatomic, strong, readonly) MASConstraint *(^attributes)(MASAttribute attrs); 82 | 83 | /** 84 | * Creates a MASCompositeConstraint with type MASCompositeConstraintTypeEdges 85 | * which generates the appropriate MASViewConstraint children (top, left, bottom, right) 86 | * with the first item set to the makers associated view 87 | */ 88 | @property (nonatomic, strong, readonly) MASConstraint *edges; 89 | 90 | /** 91 | * Creates a MASCompositeConstraint with type MASCompositeConstraintTypeSize 92 | * which generates the appropriate MASViewConstraint children (width, height) 93 | * with the first item set to the makers associated view 94 | */ 95 | @property (nonatomic, strong, readonly) MASConstraint *size; 96 | 97 | /** 98 | * Creates a MASCompositeConstraint with type MASCompositeConstraintTypeCenter 99 | * which generates the appropriate MASViewConstraint children (centerX, centerY) 100 | * with the first item set to the makers associated view 101 | */ 102 | @property (nonatomic, strong, readonly) MASConstraint *center; 103 | 104 | /** 105 | * Whether or not to check for an existing constraint instead of adding constraint 106 | */ 107 | @property (nonatomic, assign) BOOL updateExisting; 108 | 109 | /** 110 | * Whether or not to remove existing constraints prior to installing 111 | */ 112 | @property (nonatomic, assign) BOOL removeExisting; 113 | 114 | /** 115 | * initialises the maker with a default view 116 | * 117 | * @param view any MASConstrait are created with this view as the first item 118 | * 119 | * @return a new MASConstraintMaker 120 | */ 121 | - (id)initWithView:(MAS_VIEW *)view; 122 | 123 | /** 124 | * Calls install method on any MASConstraints which have been created by this maker 125 | * 126 | * @return an array of all the installed MASConstraints 127 | */ 128 | - (NSArray *)install; 129 | 130 | - (MASConstraint * (^)(dispatch_block_t))group; 131 | 132 | @end 133 | -------------------------------------------------------------------------------- /Example/Example/Masonry/View+MASAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIView+MASAdditions.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "View+MASAdditions.h" 10 | #import 11 | 12 | @implementation MAS_VIEW (MASAdditions) 13 | 14 | - (NSArray *)mas_makeConstraints:(void(^)(MASConstraintMaker *))block { 15 | self.translatesAutoresizingMaskIntoConstraints = NO; 16 | MASConstraintMaker *constraintMaker = [[MASConstraintMaker alloc] initWithView:self]; 17 | block(constraintMaker); 18 | return [constraintMaker install]; 19 | } 20 | 21 | - (NSArray *)mas_updateConstraints:(void(^)(MASConstraintMaker *))block { 22 | self.translatesAutoresizingMaskIntoConstraints = NO; 23 | MASConstraintMaker *constraintMaker = [[MASConstraintMaker alloc] initWithView:self]; 24 | constraintMaker.updateExisting = YES; 25 | block(constraintMaker); 26 | return [constraintMaker install]; 27 | } 28 | 29 | - (NSArray *)mas_remakeConstraints:(void(^)(MASConstraintMaker *make))block { 30 | self.translatesAutoresizingMaskIntoConstraints = NO; 31 | MASConstraintMaker *constraintMaker = [[MASConstraintMaker alloc] initWithView:self]; 32 | constraintMaker.removeExisting = YES; 33 | block(constraintMaker); 34 | return [constraintMaker install]; 35 | } 36 | 37 | #pragma mark - NSLayoutAttribute properties 38 | 39 | - (MASViewAttribute *)mas_left { 40 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeft]; 41 | } 42 | 43 | - (MASViewAttribute *)mas_top { 44 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTop]; 45 | } 46 | 47 | - (MASViewAttribute *)mas_right { 48 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeRight]; 49 | } 50 | 51 | - (MASViewAttribute *)mas_bottom { 52 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBottom]; 53 | } 54 | 55 | - (MASViewAttribute *)mas_leading { 56 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeading]; 57 | } 58 | 59 | - (MASViewAttribute *)mas_trailing { 60 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTrailing]; 61 | } 62 | 63 | - (MASViewAttribute *)mas_width { 64 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeWidth]; 65 | } 66 | 67 | - (MASViewAttribute *)mas_height { 68 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeHeight]; 69 | } 70 | 71 | - (MASViewAttribute *)mas_centerX { 72 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterX]; 73 | } 74 | 75 | - (MASViewAttribute *)mas_centerY { 76 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterY]; 77 | } 78 | 79 | - (MASViewAttribute *)mas_baseline { 80 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBaseline]; 81 | } 82 | 83 | - (MASViewAttribute *(^)(NSLayoutAttribute))mas_attribute 84 | { 85 | return ^(NSLayoutAttribute attr) { 86 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:attr]; 87 | }; 88 | } 89 | 90 | #if TARGET_OS_IPHONE 91 | 92 | - (MASViewAttribute *)mas_leftMargin { 93 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeftMargin]; 94 | } 95 | 96 | - (MASViewAttribute *)mas_rightMargin { 97 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeRightMargin]; 98 | } 99 | 100 | - (MASViewAttribute *)mas_topMargin { 101 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTopMargin]; 102 | } 103 | 104 | - (MASViewAttribute *)mas_bottomMargin { 105 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBottomMargin]; 106 | } 107 | 108 | - (MASViewAttribute *)mas_leadingMargin { 109 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeadingMargin]; 110 | } 111 | 112 | - (MASViewAttribute *)mas_trailingMargin { 113 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTrailingMargin]; 114 | } 115 | 116 | - (MASViewAttribute *)mas_centerXWithinMargins { 117 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterXWithinMargins]; 118 | } 119 | 120 | - (MASViewAttribute *)mas_centerYWithinMargins { 121 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterYWithinMargins]; 122 | } 123 | 124 | #endif 125 | 126 | #pragma mark - associated properties 127 | 128 | - (id)mas_key { 129 | return objc_getAssociatedObject(self, @selector(mas_key)); 130 | } 131 | 132 | - (void)setMas_key:(id)key { 133 | objc_setAssociatedObject(self, @selector(mas_key), key, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 134 | } 135 | 136 | #pragma mark - heirachy 137 | 138 | - (instancetype)mas_closestCommonSuperview:(MAS_VIEW *)view { 139 | MAS_VIEW *closestCommonSuperview = nil; 140 | 141 | MAS_VIEW *secondViewSuperview = view; 142 | while (!closestCommonSuperview && secondViewSuperview) { 143 | MAS_VIEW *firstViewSuperview = self; 144 | while (!closestCommonSuperview && firstViewSuperview) { 145 | if (secondViewSuperview == firstViewSuperview) { 146 | closestCommonSuperview = secondViewSuperview; 147 | } 148 | firstViewSuperview = firstViewSuperview.superview; 149 | } 150 | secondViewSuperview = secondViewSuperview.superview; 151 | } 152 | return closestCommonSuperview; 153 | } 154 | 155 | @end 156 | -------------------------------------------------------------------------------- /Example/Example/Masonry/NSLayoutConstraint+MASDebugAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // NSLayoutConstraint+MASDebugAdditions.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "NSLayoutConstraint+MASDebugAdditions.h" 10 | #import "MASConstraint.h" 11 | #import "MASLayoutConstraint.h" 12 | 13 | @implementation NSLayoutConstraint (MASDebugAdditions) 14 | 15 | #pragma mark - description maps 16 | 17 | + (NSDictionary *)layoutRelationDescriptionsByValue { 18 | static dispatch_once_t once; 19 | static NSDictionary *descriptionMap; 20 | dispatch_once(&once, ^{ 21 | descriptionMap = @{ 22 | @(NSLayoutRelationEqual) : @"==", 23 | @(NSLayoutRelationGreaterThanOrEqual) : @">=", 24 | @(NSLayoutRelationLessThanOrEqual) : @"<=", 25 | }; 26 | }); 27 | return descriptionMap; 28 | } 29 | 30 | + (NSDictionary *)layoutAttributeDescriptionsByValue { 31 | static dispatch_once_t once; 32 | static NSDictionary *descriptionMap; 33 | dispatch_once(&once, ^{ 34 | descriptionMap = @{ 35 | @(NSLayoutAttributeTop) : @"top", 36 | @(NSLayoutAttributeLeft) : @"left", 37 | @(NSLayoutAttributeBottom) : @"bottom", 38 | @(NSLayoutAttributeRight) : @"right", 39 | @(NSLayoutAttributeLeading) : @"leading", 40 | @(NSLayoutAttributeTrailing) : @"trailing", 41 | @(NSLayoutAttributeWidth) : @"width", 42 | @(NSLayoutAttributeHeight) : @"height", 43 | @(NSLayoutAttributeCenterX) : @"centerX", 44 | @(NSLayoutAttributeCenterY) : @"centerY", 45 | @(NSLayoutAttributeBaseline) : @"baseline", 46 | 47 | #if TARGET_OS_IPHONE 48 | @(NSLayoutAttributeLeftMargin) : @"leftMargin", 49 | @(NSLayoutAttributeRightMargin) : @"rightMargin", 50 | @(NSLayoutAttributeTopMargin) : @"topMargin", 51 | @(NSLayoutAttributeBottomMargin) : @"bottomMargin", 52 | @(NSLayoutAttributeLeadingMargin) : @"leadingMargin", 53 | @(NSLayoutAttributeTrailingMargin) : @"trailingMargin", 54 | @(NSLayoutAttributeCenterXWithinMargins) : @"centerXWithinMargins", 55 | @(NSLayoutAttributeCenterYWithinMargins) : @"centerYWithinMargins", 56 | #endif 57 | 58 | }; 59 | 60 | }); 61 | return descriptionMap; 62 | } 63 | 64 | 65 | + (NSDictionary *)layoutPriorityDescriptionsByValue { 66 | static dispatch_once_t once; 67 | static NSDictionary *descriptionMap; 68 | dispatch_once(&once, ^{ 69 | #if TARGET_OS_IPHONE 70 | descriptionMap = @{ 71 | @(MASLayoutPriorityDefaultHigh) : @"high", 72 | @(MASLayoutPriorityDefaultLow) : @"low", 73 | @(MASLayoutPriorityDefaultMedium) : @"medium", 74 | @(MASLayoutPriorityRequired) : @"required", 75 | @(MASLayoutPriorityFittingSizeLevel) : @"fitting size", 76 | }; 77 | #elif TARGET_OS_MAC 78 | descriptionMap = @{ 79 | @(MASLayoutPriorityDefaultHigh) : @"high", 80 | @(MASLayoutPriorityDragThatCanResizeWindow) : @"drag can resize window", 81 | @(MASLayoutPriorityDefaultMedium) : @"medium", 82 | @(MASLayoutPriorityWindowSizeStayPut) : @"window size stay put", 83 | @(MASLayoutPriorityDragThatCannotResizeWindow) : @"drag cannot resize window", 84 | @(MASLayoutPriorityDefaultLow) : @"low", 85 | @(MASLayoutPriorityFittingSizeCompression) : @"fitting size", 86 | @(MASLayoutPriorityRequired) : @"required", 87 | }; 88 | #endif 89 | }); 90 | return descriptionMap; 91 | } 92 | 93 | #pragma mark - description override 94 | 95 | + (NSString *)descriptionForObject:(id)obj { 96 | if ([obj respondsToSelector:@selector(mas_key)] && [obj mas_key]) { 97 | return [NSString stringWithFormat:@"%@:%@", [obj class], [obj mas_key]]; 98 | } 99 | return [NSString stringWithFormat:@"%@:%p", [obj class], obj]; 100 | } 101 | 102 | - (NSString *)description { 103 | NSMutableString *description = [[NSMutableString alloc] initWithString:@"<"]; 104 | 105 | [description appendString:[self.class descriptionForObject:self]]; 106 | 107 | [description appendFormat:@" %@", [self.class descriptionForObject:self.firstItem]]; 108 | if (self.firstAttribute != NSLayoutAttributeNotAnAttribute) { 109 | [description appendFormat:@".%@", [self.class.layoutAttributeDescriptionsByValue objectForKey:@(self.firstAttribute)]]; 110 | } 111 | 112 | [description appendFormat:@" %@", [self.class.layoutRelationDescriptionsByValue objectForKey:@(self.relation)]]; 113 | 114 | if (self.secondItem) { 115 | [description appendFormat:@" %@", [self.class descriptionForObject:self.secondItem]]; 116 | } 117 | if (self.secondAttribute != NSLayoutAttributeNotAnAttribute) { 118 | [description appendFormat:@".%@", [self.class.layoutAttributeDescriptionsByValue objectForKey:@(self.secondAttribute)]]; 119 | } 120 | 121 | if (self.multiplier != 1) { 122 | [description appendFormat:@" * %g", self.multiplier]; 123 | } 124 | 125 | if (self.secondAttribute == NSLayoutAttributeNotAnAttribute) { 126 | [description appendFormat:@" %g", self.constant]; 127 | } else { 128 | if (self.constant) { 129 | [description appendFormat:@" %@ %g", (self.constant < 0 ? @"-" : @"+"), ABS(self.constant)]; 130 | } 131 | } 132 | 133 | if (self.priority != MASLayoutPriorityRequired) { 134 | [description appendFormat:@" ^%@", [self.class.layoutPriorityDescriptionsByValue objectForKey:@(self.priority)] ?: [NSNumber numberWithDouble:self.priority]]; 135 | } 136 | 137 | [description appendString:@">"]; 138 | return description; 139 | } 140 | 141 | @end 142 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASUtilities.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASUtilities.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 19/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | #if TARGET_OS_IPHONE 12 | 13 | #import 14 | #define MAS_VIEW UIView 15 | #define MAS_VIEW_CONTROLLER UIViewController 16 | #define MASEdgeInsets UIEdgeInsets 17 | 18 | typedef UILayoutPriority MASLayoutPriority; 19 | static const MASLayoutPriority MASLayoutPriorityRequired = UILayoutPriorityRequired; 20 | static const MASLayoutPriority MASLayoutPriorityDefaultHigh = UILayoutPriorityDefaultHigh; 21 | static const MASLayoutPriority MASLayoutPriorityDefaultMedium = 500; 22 | static const MASLayoutPriority MASLayoutPriorityDefaultLow = UILayoutPriorityDefaultLow; 23 | static const MASLayoutPriority MASLayoutPriorityFittingSizeLevel = UILayoutPriorityFittingSizeLevel; 24 | 25 | #elif TARGET_OS_MAC 26 | 27 | #import 28 | #define MAS_VIEW NSView 29 | #define MASEdgeInsets NSEdgeInsets 30 | 31 | typedef NSLayoutPriority MASLayoutPriority; 32 | static const MASLayoutPriority MASLayoutPriorityRequired = NSLayoutPriorityRequired; 33 | static const MASLayoutPriority MASLayoutPriorityDefaultHigh = NSLayoutPriorityDefaultHigh; 34 | static const MASLayoutPriority MASLayoutPriorityDragThatCanResizeWindow = NSLayoutPriorityDragThatCanResizeWindow; 35 | static const MASLayoutPriority MASLayoutPriorityDefaultMedium = 501; 36 | static const MASLayoutPriority MASLayoutPriorityWindowSizeStayPut = NSLayoutPriorityWindowSizeStayPut; 37 | static const MASLayoutPriority MASLayoutPriorityDragThatCannotResizeWindow = NSLayoutPriorityDragThatCannotResizeWindow; 38 | static const MASLayoutPriority MASLayoutPriorityDefaultLow = NSLayoutPriorityDefaultLow; 39 | static const MASLayoutPriority MASLayoutPriorityFittingSizeCompression = NSLayoutPriorityFittingSizeCompression; 40 | 41 | #endif 42 | 43 | /** 44 | * Allows you to attach keys to objects matching the variable names passed. 45 | * 46 | * view1.mas_key = @"view1", view2.mas_key = @"view2"; 47 | * 48 | * is equivalent to: 49 | * 50 | * MASAttachKeys(view1, view2); 51 | */ 52 | 53 | #ifndef PINSSIBLE_OBFUSCATE_ENABLE 54 | 55 | #define pins_setMas_key setMas_key 56 | 57 | #endif 58 | 59 | #define MASAttachKeys(...) \ 60 | NSDictionary *keyPairs = NSDictionaryOfVariableBindings(__VA_ARGS__); \ 61 | for (id key in keyPairs.allKeys) { \ 62 | id obj = keyPairs[key]; \ 63 | NSAssert([obj respondsToSelector:@selector(pins_setMas_key:)], \ 64 | @"Cannot attach mas_key to %@", obj); \ 65 | [obj pins_setMas_key:key]; \ 66 | } 67 | 68 | /** 69 | * Used to create object hashes 70 | * Based on http://www.mikeash.com/pyblog/friday-qa-2010-06-18-implementing-equality-and-hashing.html 71 | */ 72 | #define MAS_NSUINT_BIT (CHAR_BIT * sizeof(NSUInteger)) 73 | #define MAS_NSUINTROTATE(val, howmuch) ((((NSUInteger)val) << howmuch) | (((NSUInteger)val) >> (MAS_NSUINT_BIT - howmuch))) 74 | 75 | /** 76 | * Given a scalar or struct value, wraps it in NSValue 77 | * Based on EXPObjectify: https://github.com/specta/expecta 78 | */ 79 | static inline id _MASBoxValue(const char *type, ...) { 80 | va_list v; 81 | va_start(v, type); 82 | id obj = nil; 83 | if (strcmp(type, @encode(id)) == 0) { 84 | id actual = va_arg(v, id); 85 | obj = actual; 86 | } else if (strcmp(type, @encode(CGPoint)) == 0) { 87 | CGPoint actual = (CGPoint)va_arg(v, CGPoint); 88 | obj = [NSValue value:&actual withObjCType:type]; 89 | } else if (strcmp(type, @encode(CGSize)) == 0) { 90 | CGSize actual = (CGSize)va_arg(v, CGSize); 91 | obj = [NSValue value:&actual withObjCType:type]; 92 | } else if (strcmp(type, @encode(MASEdgeInsets)) == 0) { 93 | MASEdgeInsets actual = (MASEdgeInsets)va_arg(v, MASEdgeInsets); 94 | obj = [NSValue value:&actual withObjCType:type]; 95 | } else if (strcmp(type, @encode(double)) == 0) { 96 | double actual = (double)va_arg(v, double); 97 | obj = [NSNumber numberWithDouble:actual]; 98 | } else if (strcmp(type, @encode(float)) == 0) { 99 | float actual = (float)va_arg(v, double); 100 | obj = [NSNumber numberWithFloat:actual]; 101 | } else if (strcmp(type, @encode(int)) == 0) { 102 | int actual = (int)va_arg(v, int); 103 | obj = [NSNumber numberWithInt:actual]; 104 | } else if (strcmp(type, @encode(long)) == 0) { 105 | long actual = (long)va_arg(v, long); 106 | obj = [NSNumber numberWithLong:actual]; 107 | } else if (strcmp(type, @encode(long long)) == 0) { 108 | long long actual = (long long)va_arg(v, long long); 109 | obj = [NSNumber numberWithLongLong:actual]; 110 | } else if (strcmp(type, @encode(short)) == 0) { 111 | short actual = (short)va_arg(v, int); 112 | obj = [NSNumber numberWithShort:actual]; 113 | } else if (strcmp(type, @encode(char)) == 0) { 114 | char actual = (char)va_arg(v, int); 115 | obj = [NSNumber numberWithChar:actual]; 116 | } else if (strcmp(type, @encode(bool)) == 0) { 117 | bool actual = (bool)va_arg(v, int); 118 | obj = [NSNumber numberWithBool:actual]; 119 | } else if (strcmp(type, @encode(unsigned char)) == 0) { 120 | unsigned char actual = (unsigned char)va_arg(v, unsigned int); 121 | obj = [NSNumber numberWithUnsignedChar:actual]; 122 | } else if (strcmp(type, @encode(unsigned int)) == 0) { 123 | unsigned int actual = (unsigned int)va_arg(v, unsigned int); 124 | obj = [NSNumber numberWithUnsignedInt:actual]; 125 | } else if (strcmp(type, @encode(unsigned long)) == 0) { 126 | unsigned long actual = (unsigned long)va_arg(v, unsigned long); 127 | obj = [NSNumber numberWithUnsignedLong:actual]; 128 | } else if (strcmp(type, @encode(unsigned long long)) == 0) { 129 | unsigned long long actual = (unsigned long long)va_arg(v, unsigned long long); 130 | obj = [NSNumber numberWithUnsignedLongLong:actual]; 131 | } else if (strcmp(type, @encode(unsigned short)) == 0) { 132 | unsigned short actual = (unsigned short)va_arg(v, unsigned int); 133 | obj = [NSNumber numberWithUnsignedShort:actual]; 134 | } 135 | va_end(v); 136 | return obj; 137 | } 138 | 139 | #define MASBoxValue(value) _MASBoxValue(@encode(__typeof__((value))), (value)) 140 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 22/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * Enables Constraints to be created with chainable syntax 13 | * Constraint can represent single NSLayoutConstraint (MASViewConstraint) 14 | * or a group of NSLayoutConstraints (MASComposisteConstraint) 15 | */ 16 | @interface MASConstraint : NSObject 17 | 18 | // Chaining Support 19 | 20 | /** 21 | * Modifies the NSLayoutConstraint constant, 22 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 23 | * NSLayoutAttributeTop, NSLayoutAttributeLeft, NSLayoutAttributeBottom, NSLayoutAttributeRight 24 | */ 25 | - (MASConstraint * (^)(MASEdgeInsets insets))insets; 26 | 27 | /** 28 | * Modifies the NSLayoutConstraint constant, 29 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 30 | * NSLayoutAttributeWidth, NSLayoutAttributeHeight 31 | */ 32 | - (MASConstraint * (^)(CGSize offset))sizeOffset; 33 | 34 | /** 35 | * Modifies the NSLayoutConstraint constant, 36 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 37 | * NSLayoutAttributeCenterX, NSLayoutAttributeCenterY 38 | */ 39 | - (MASConstraint * (^)(CGPoint offset))centerOffset; 40 | 41 | /** 42 | * Modifies the NSLayoutConstraint constant 43 | */ 44 | - (MASConstraint * (^)(CGFloat offset))offset; 45 | 46 | /** 47 | * Modifies the NSLayoutConstraint constant based on a value type 48 | */ 49 | - (MASConstraint * (^)(NSValue *value))valueOffset; 50 | 51 | /** 52 | * Sets the NSLayoutConstraint multiplier property 53 | */ 54 | - (MASConstraint * (^)(CGFloat multiplier))multipliedBy; 55 | 56 | /** 57 | * Sets the NSLayoutConstraint multiplier to 1.0/dividedBy 58 | */ 59 | - (MASConstraint * (^)(CGFloat divider))dividedBy; 60 | 61 | /** 62 | * Sets the NSLayoutConstraint priority to a float or MASLayoutPriority 63 | */ 64 | - (MASConstraint * (^)(MASLayoutPriority priority))priority; 65 | 66 | /** 67 | * Sets the NSLayoutConstraint priority to MASLayoutPriorityLow 68 | */ 69 | - (MASConstraint * (^)())priorityLow; 70 | 71 | /** 72 | * Sets the NSLayoutConstraint priority to MASLayoutPriorityMedium 73 | */ 74 | - (MASConstraint * (^)())priorityMedium; 75 | 76 | /** 77 | * Sets the NSLayoutConstraint priority to MASLayoutPriorityHigh 78 | */ 79 | - (MASConstraint * (^)())priorityHigh; 80 | 81 | /** 82 | * Sets the constraint relation to NSLayoutRelationEqual 83 | * returns a block which accepts one of the following: 84 | * MASViewAttribute, UIView, NSValue, NSArray 85 | * see readme for more details. 86 | */ 87 | - (MASConstraint * (^)(id attr))equalTo; 88 | 89 | /** 90 | * Sets the constraint relation to NSLayoutRelationGreaterThanOrEqual 91 | * returns a block which accepts one of the following: 92 | * MASViewAttribute, UIView, NSValue, NSArray 93 | * see readme for more details. 94 | */ 95 | - (MASConstraint * (^)(id attr))greaterThanOrEqualTo; 96 | 97 | /** 98 | * Sets the constraint relation to NSLayoutRelationLessThanOrEqual 99 | * returns a block which accepts one of the following: 100 | * MASViewAttribute, UIView, NSValue, NSArray 101 | * see readme for more details. 102 | */ 103 | - (MASConstraint * (^)(id attr))lessThanOrEqualTo; 104 | 105 | /** 106 | * Optional semantic property which has no effect but improves the readability of constraint 107 | */ 108 | - (MASConstraint *)with; 109 | 110 | /** 111 | * Optional semantic property which has no effect but improves the readability of constraint 112 | */ 113 | - (MASConstraint *)and; 114 | 115 | /** 116 | * Creates a new MASCompositeConstraint with the called attribute and reciever 117 | */ 118 | - (MASConstraint *)left; 119 | - (MASConstraint *)top; 120 | - (MASConstraint *)right; 121 | - (MASConstraint *)bottom; 122 | - (MASConstraint *)leading; 123 | - (MASConstraint *)trailing; 124 | - (MASConstraint *)width; 125 | - (MASConstraint *)height; 126 | - (MASConstraint *)centerX; 127 | - (MASConstraint *)centerY; 128 | - (MASConstraint *)baseline; 129 | 130 | #if TARGET_OS_IPHONE 131 | 132 | - (MASConstraint *)leftMargin; 133 | - (MASConstraint *)rightMargin; 134 | - (MASConstraint *)topMargin; 135 | - (MASConstraint *)bottomMargin; 136 | - (MASConstraint *)leadingMargin; 137 | - (MASConstraint *)trailingMargin; 138 | - (MASConstraint *)centerXWithinMargins; 139 | - (MASConstraint *)centerYWithinMargins; 140 | 141 | #endif 142 | 143 | 144 | /** 145 | * Sets the constraint debug name 146 | */ 147 | - (MASConstraint * (^)(id key))key; 148 | 149 | // NSLayoutConstraint constant Setters 150 | // for use outside of mas_updateConstraints/mas_makeConstraints blocks 151 | 152 | /** 153 | * Modifies the NSLayoutConstraint constant, 154 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 155 | * NSLayoutAttributeTop, NSLayoutAttributeLeft, NSLayoutAttributeBottom, NSLayoutAttributeRight 156 | */ 157 | - (void)setInsets:(MASEdgeInsets)insets; 158 | 159 | /** 160 | * Modifies the NSLayoutConstraint constant, 161 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 162 | * NSLayoutAttributeWidth, NSLayoutAttributeHeight 163 | */ 164 | - (void)setSizeOffset:(CGSize)sizeOffset; 165 | 166 | /** 167 | * Modifies the NSLayoutConstraint constant, 168 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 169 | * NSLayoutAttributeCenterX, NSLayoutAttributeCenterY 170 | */ 171 | - (void)setCenterOffset:(CGPoint)centerOffset; 172 | 173 | /** 174 | * Modifies the NSLayoutConstraint constant 175 | */ 176 | - (void)setOffset:(CGFloat)offset; 177 | 178 | 179 | // NSLayoutConstraint Installation support 180 | 181 | #if TARGET_OS_MAC && !TARGET_OS_IPHONE 182 | /** 183 | * Whether or not to go through the animator proxy when modifying the constraint 184 | */ 185 | @property (nonatomic, copy, readonly) MASConstraint *animator; 186 | #endif 187 | 188 | /** 189 | * Activates an NSLayoutConstraint if it's supported by an OS. 190 | * Invokes install otherwise. 191 | */ 192 | - (void)activate; 193 | 194 | /** 195 | * Deactivates previously installed/activated NSLayoutConstraint. 196 | */ 197 | - (void)deactivate; 198 | 199 | /** 200 | * Creates a NSLayoutConstraint and adds it to the appropriate view. 201 | */ 202 | - (void)install; 203 | 204 | /** 205 | * Removes previously installed NSLayoutConstraint 206 | */ 207 | - (void)uninstall; 208 | 209 | @end 210 | 211 | 212 | /** 213 | * Convenience auto-boxing macros for MASConstraint methods. 214 | * 215 | * Defining MAS_SHORTHAND_GLOBALS will turn on auto-boxing for default syntax. 216 | * A potential drawback of this is that the unprefixed macros will appear in global scope. 217 | */ 218 | 219 | #ifndef PINSSIBLE_OBFUSCATE_ENABLE 220 | 221 | #define pins_equalTo equalTo 222 | #define pins_greaterThanOrEqualTo greaterThanOrEqualTo 223 | #define pins_lessThanOrEqualTo lessThanOrEqualTo 224 | #define pins_valueOffset valueOffset 225 | 226 | #endif 227 | 228 | #define mas_equalTo(...) pins_equalTo(MASBoxValue((__VA_ARGS__))) 229 | #define mas_greaterThanOrEqualTo(...) pins_greaterThanOrEqualTo(MASBoxValue((__VA_ARGS__))) 230 | #define mas_lessThanOrEqualTo(...) pins_lessThanOrEqualTo(MASBoxValue((__VA_ARGS__))) 231 | 232 | #define mas_offset(...) pins_valueOffset(MASBoxValue((__VA_ARGS__))) 233 | 234 | 235 | #ifdef MAS_SHORTHAND_GLOBALS 236 | 237 | #define equalTo(...) mas_equalTo(__VA_ARGS__) 238 | #define greaterThanOrEqualTo(...) mas_greaterThanOrEqualTo(__VA_ARGS__) 239 | #define lessThanOrEqualTo(...) mas_lessThanOrEqualTo(__VA_ARGS__) 240 | 241 | #define offset(...) mas_offset(__VA_ARGS__) 242 | 243 | #endif 244 | 245 | 246 | @interface MASConstraint (AutoboxingSupport) 247 | 248 | /** 249 | * Aliases to corresponding relation methods (for shorthand macros) 250 | * Also needed to aid autocompletion 251 | */ 252 | - (MASConstraint * (^)(id attr))mas_equalTo; 253 | - (MASConstraint * (^)(id attr))mas_greaterThanOrEqualTo; 254 | - (MASConstraint * (^)(id attr))mas_lessThanOrEqualTo; 255 | 256 | /** 257 | * A dummy method to aid autocompletion 258 | */ 259 | - (MASConstraint * (^)(id offset))mas_offset; 260 | 261 | @end 262 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint.m 3 | // Masonry 4 | // 5 | // Created by Nick Tymchenko on 1/20/14. 6 | // 7 | 8 | #import "MASConstraint.h" 9 | #import "MASConstraint+Private.h" 10 | 11 | #define MASMethodNotImplemented() \ 12 | @throw [NSException exceptionWithName:NSInternalInconsistencyException \ 13 | reason:[NSString stringWithFormat:@"You must override %@ in a subclass.", NSStringFromSelector(_cmd)] \ 14 | userInfo:nil] 15 | 16 | @implementation MASConstraint 17 | 18 | #pragma mark - Init 19 | 20 | - (id)init { 21 | NSAssert(![self isMemberOfClass:[MASConstraint class]], @"MASConstraint is an abstract class, you should not instantiate it directly."); 22 | return [super init]; 23 | } 24 | 25 | #pragma mark - NSLayoutRelation proxies 26 | 27 | - (MASConstraint * (^)(id))equalTo { 28 | return ^id(id attribute) { 29 | return self.equalToWithRelation(attribute, NSLayoutRelationEqual); 30 | }; 31 | } 32 | 33 | - (MASConstraint * (^)(id))mas_equalTo { 34 | return ^id(id attribute) { 35 | return self.equalToWithRelation(attribute, NSLayoutRelationEqual); 36 | }; 37 | } 38 | 39 | - (MASConstraint * (^)(id))greaterThanOrEqualTo { 40 | return ^id(id attribute) { 41 | return self.equalToWithRelation(attribute, NSLayoutRelationGreaterThanOrEqual); 42 | }; 43 | } 44 | 45 | - (MASConstraint * (^)(id))mas_greaterThanOrEqualTo { 46 | return ^id(id attribute) { 47 | return self.equalToWithRelation(attribute, NSLayoutRelationGreaterThanOrEqual); 48 | }; 49 | } 50 | 51 | - (MASConstraint * (^)(id))lessThanOrEqualTo { 52 | return ^id(id attribute) { 53 | return self.equalToWithRelation(attribute, NSLayoutRelationLessThanOrEqual); 54 | }; 55 | } 56 | 57 | - (MASConstraint * (^)(id))mas_lessThanOrEqualTo { 58 | return ^id(id attribute) { 59 | return self.equalToWithRelation(attribute, NSLayoutRelationLessThanOrEqual); 60 | }; 61 | } 62 | 63 | #pragma mark - MASLayoutPriority proxies 64 | 65 | - (MASConstraint * (^)())priorityLow { 66 | return ^id{ 67 | self.priority(MASLayoutPriorityDefaultLow); 68 | return self; 69 | }; 70 | } 71 | 72 | - (MASConstraint * (^)())priorityMedium { 73 | return ^id{ 74 | self.priority(MASLayoutPriorityDefaultMedium); 75 | return self; 76 | }; 77 | } 78 | 79 | - (MASConstraint * (^)())priorityHigh { 80 | return ^id{ 81 | self.priority(MASLayoutPriorityDefaultHigh); 82 | return self; 83 | }; 84 | } 85 | 86 | #pragma mark - NSLayoutConstraint constant proxies 87 | 88 | - (MASConstraint * (^)(MASEdgeInsets))insets { 89 | return ^id(MASEdgeInsets insets){ 90 | [self setInsets:insets]; 91 | return self; 92 | }; 93 | } 94 | 95 | - (MASConstraint * (^)(CGSize))sizeOffset { 96 | return ^id(CGSize offset) { 97 | [self setSizeOffset:offset]; 98 | return self; 99 | }; 100 | } 101 | 102 | - (MASConstraint * (^)(CGPoint))centerOffset { 103 | return ^id(CGPoint offset) { 104 | [self setCenterOffset:offset]; 105 | return self; 106 | }; 107 | } 108 | 109 | - (MASConstraint * (^)(CGFloat))offset { 110 | return ^id(CGFloat offset){ 111 | [self setOffset:offset]; 112 | return self; 113 | }; 114 | } 115 | 116 | - (MASConstraint * (^)(NSValue *value))valueOffset { 117 | return ^id(NSValue *offset) { 118 | NSAssert([offset isKindOfClass:NSValue.class], @"expected an NSValue offset, got: %@", offset); 119 | [self setLayoutConstantWithValue:offset]; 120 | return self; 121 | }; 122 | } 123 | 124 | - (MASConstraint * (^)(id offset))mas_offset { 125 | // Will never be called due to macro 126 | return nil; 127 | } 128 | 129 | #pragma mark - NSLayoutConstraint constant setter 130 | 131 | - (void)setLayoutConstantWithValue:(NSValue *)value { 132 | if ([value isKindOfClass:NSNumber.class]) { 133 | [self setOffset:[(NSNumber *)value doubleValue]]; 134 | } else if (strcmp(value.objCType, @encode(CGPoint)) == 0) { 135 | CGPoint point; 136 | [value getValue:&point]; 137 | [self setCenterOffset:point]; 138 | } else if (strcmp(value.objCType, @encode(CGSize)) == 0) { 139 | CGSize size; 140 | [value getValue:&size]; 141 | [self setSizeOffset:size]; 142 | } else if (strcmp(value.objCType, @encode(MASEdgeInsets)) == 0) { 143 | MASEdgeInsets insets; 144 | [value getValue:&insets]; 145 | [self setInsets:insets]; 146 | } else { 147 | NSAssert(NO, @"attempting to set layout constant with unsupported value: %@", value); 148 | } 149 | } 150 | 151 | #pragma mark - Semantic properties 152 | 153 | - (MASConstraint *)with { 154 | return self; 155 | } 156 | 157 | - (MASConstraint *)and { 158 | return self; 159 | } 160 | 161 | #pragma mark - Chaining 162 | 163 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute __unused)layoutAttribute { 164 | MASMethodNotImplemented(); 165 | } 166 | 167 | - (MASConstraint *)left { 168 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeft]; 169 | } 170 | 171 | - (MASConstraint *)top { 172 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTop]; 173 | } 174 | 175 | - (MASConstraint *)right { 176 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRight]; 177 | } 178 | 179 | - (MASConstraint *)bottom { 180 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottom]; 181 | } 182 | 183 | - (MASConstraint *)leading { 184 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeading]; 185 | } 186 | 187 | - (MASConstraint *)trailing { 188 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailing]; 189 | } 190 | 191 | - (MASConstraint *)width { 192 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeWidth]; 193 | } 194 | 195 | - (MASConstraint *)height { 196 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeHeight]; 197 | } 198 | 199 | - (MASConstraint *)centerX { 200 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterX]; 201 | } 202 | 203 | - (MASConstraint *)centerY { 204 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterY]; 205 | } 206 | 207 | - (MASConstraint *)baseline { 208 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBaseline]; 209 | } 210 | 211 | #if TARGET_OS_IPHONE 212 | 213 | - (MASConstraint *)leftMargin { 214 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeftMargin]; 215 | } 216 | 217 | - (MASConstraint *)rightMargin { 218 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRightMargin]; 219 | } 220 | 221 | - (MASConstraint *)topMargin { 222 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTopMargin]; 223 | } 224 | 225 | - (MASConstraint *)bottomMargin { 226 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottomMargin]; 227 | } 228 | 229 | - (MASConstraint *)leadingMargin { 230 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeadingMargin]; 231 | } 232 | 233 | - (MASConstraint *)trailingMargin { 234 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailingMargin]; 235 | } 236 | 237 | - (MASConstraint *)centerXWithinMargins { 238 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterXWithinMargins]; 239 | } 240 | 241 | - (MASConstraint *)centerYWithinMargins { 242 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterYWithinMargins]; 243 | } 244 | 245 | #endif 246 | 247 | #pragma mark - Abstract 248 | 249 | - (MASConstraint * (^)(CGFloat multiplier))multipliedBy { MASMethodNotImplemented(); } 250 | 251 | - (MASConstraint * (^)(CGFloat divider))dividedBy { MASMethodNotImplemented(); } 252 | 253 | - (MASConstraint * (^)(MASLayoutPriority priority))priority { MASMethodNotImplemented(); } 254 | 255 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation { MASMethodNotImplemented(); } 256 | 257 | - (MASConstraint * (^)(id key))key { MASMethodNotImplemented(); } 258 | 259 | - (void)setInsets:(MASEdgeInsets __unused)insets { MASMethodNotImplemented(); } 260 | 261 | - (void)setSizeOffset:(CGSize __unused)sizeOffset { MASMethodNotImplemented(); } 262 | 263 | - (void)setCenterOffset:(CGPoint __unused)centerOffset { MASMethodNotImplemented(); } 264 | 265 | - (void)setOffset:(CGFloat __unused)offset { MASMethodNotImplemented(); } 266 | 267 | #if TARGET_OS_MAC && !TARGET_OS_IPHONE 268 | 269 | - (MASConstraint *)animator { MASMethodNotImplemented(); } 270 | 271 | #endif 272 | 273 | - (void)activate { MASMethodNotImplemented(); } 274 | 275 | - (void)deactivate { MASMethodNotImplemented(); } 276 | 277 | - (void)install { MASMethodNotImplemented(); } 278 | 279 | - (void)uninstall { MASMethodNotImplemented(); } 280 | 281 | @end 282 | -------------------------------------------------------------------------------- /WHGradientHelper/WHGradientHelper.m: -------------------------------------------------------------------------------- 1 | // 2 | // WHGradientHelper.m 3 | // Example 4 | // 5 | // Created by whbalzac on 3/20/17. 6 | // Copyright © 2017 whbalzac. All rights reserved. 7 | // 8 | 9 | #import "WHGradientHelper.h" 10 | 11 | #define UIColorFromRGBA(r,g,b,a) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a] 12 | #define UIColorFronHSB(h,s,b) [UIColor colorWithHue:h saturation:s brightness:b alpha:1.0f] 13 | 14 | 15 | @implementation WHGradientHelper 16 | 17 | #pragma mark - Linear Gradient 18 | 19 | + (UIImage *)getLinearGradientImage:(UIColor *)startColor and:(UIColor *)endColor directionType:(WHGradientDirection)directionType 20 | { 21 | return [self getLinearGradientImage:startColor and:endColor directionType:directionType option:CGSizeMake(kDefaultWidth, kDefaultHeight)]; 22 | } 23 | 24 | 25 | + (UIImage *)getLinearGradientImage:(UIColor *)startColor and:(UIColor *)endColor directionType:(WHGradientDirection)directionType option:(CGSize)size 26 | { 27 | CAGradientLayer *gradientLayer = [CAGradientLayer layer]; 28 | gradientLayer.colors = @[(__bridge id)startColor.CGColor, 29 | (__bridge id)endColor.CGColor]; 30 | gradientLayer.locations = @[@(0.0f), @(1.0f)]; 31 | 32 | if (directionType == WHLinearGradientDirectionLevel) { 33 | gradientLayer.startPoint = CGPointMake(0, 0); 34 | gradientLayer.endPoint = CGPointMake(1, 0); 35 | }else if (directionType == WHLinearGradientDirectionVertical){ 36 | gradientLayer.startPoint = CGPointMake(0, 0); 37 | gradientLayer.endPoint = CGPointMake(0, 1); 38 | }else if (directionType == WHLinearGradientDirectionUpwardDiagonalLine){ 39 | gradientLayer.startPoint = CGPointMake(0, 0); 40 | gradientLayer.endPoint = CGPointMake(1, 1); 41 | }else if (directionType == WHLinearGradientDirectionDownDiagonalLine){ 42 | gradientLayer.startPoint = CGPointMake(0, 1); 43 | gradientLayer.endPoint = CGPointMake(1, 0); 44 | } 45 | 46 | gradientLayer.frame = CGRectMake(0, 0, size.width, size.height); 47 | UIGraphicsBeginImageContextWithOptions(gradientLayer.frame.size, NO, 0); 48 | [gradientLayer renderInContext:UIGraphicsGetCurrentContext()]; 49 | UIImage *gradientImage = UIGraphicsGetImageFromCurrentImageContext(); 50 | UIGraphicsEndImageContext(); 51 | 52 | return gradientImage; 53 | } 54 | 55 | 56 | #pragma mark - Radial Gradient 57 | 58 | + (UIImage *)getRadialGradientImage:(UIColor *)centerColor and:(UIColor *)outColor 59 | { 60 | return [self getRadialGradientImage:centerColor and:outColor option:CGSizeMake(kDefaultWidth, kDefaultWidth)]; 61 | } 62 | 63 | + (UIImage *)getRadialGradientImage:(UIColor *)centerColor and:(UIColor *)outColor option:(CGSize)size 64 | { 65 | UIGraphicsBeginImageContext(size); 66 | CGContextRef gc = UIGraphicsGetCurrentContext(); 67 | 68 | CGMutablePathRef path = CGPathCreateMutable(); 69 | CGFloat raduis = MAX(size.width / 2, size.height / 2); 70 | CGPathAddArc(path, NULL, size.width / 2, size.height / 2, raduis, 0, 2 * M_PI, NO); 71 | 72 | [self drawRadialGradient:gc path:path startColor:centerColor.CGColor endColor:outColor.CGColor]; 73 | CGPathRelease(path); 74 | 75 | UIImage *img = UIGraphicsGetImageFromCurrentImageContext(); 76 | UIGraphicsEndImageContext(); 77 | return img; 78 | } 79 | 80 | + (void)drawRadialGradient:(CGContextRef)context 81 | path:(CGPathRef)path 82 | startColor:(CGColorRef)startColor 83 | endColor:(CGColorRef)endColor 84 | { 85 | CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); 86 | CGFloat locations[] = { 0.0, 1.0 }; 87 | 88 | NSArray *colors = @[(__bridge id) startColor, (__bridge id) endColor]; 89 | 90 | CGGradientRef gradient = CGGradientCreateWithColors(colorSpace, (__bridge CFArrayRef) colors, locations); 91 | 92 | 93 | CGRect pathRect = CGPathGetBoundingBox(path); 94 | CGPoint center = CGPointMake(CGRectGetMidX(pathRect), CGRectGetMidY(pathRect)); 95 | CGFloat radius = MAX(pathRect.size.width / 2.0, pathRect.size.height / 2.0) * sqrt(2); 96 | 97 | CGContextSaveGState(context); 98 | CGContextAddPath(context, path); 99 | CGContextEOClip(context); 100 | 101 | CGContextDrawRadialGradient(context, gradient, center, 0, center, radius, 0); 102 | 103 | CGContextRestoreGState(context); 104 | 105 | CGGradientRelease(gradient); 106 | CGColorSpaceRelease(colorSpace); 107 | } 108 | 109 | // ChromatoAnimation 110 | + (void)addGradientChromatoAnimation:(UIView *)view 111 | { 112 | if (view == nil) { 113 | return; 114 | } 115 | 116 | CGFloat btnHeight = view.bounds.size.height;; 117 | CGFloat btnWidth = view.bounds.size.width; 118 | 119 | CAGradientLayer *chromatoLayer = [CAGradientLayer layer]; 120 | [chromatoLayer setColors:@[(__bridge id)UIColorFronHSB(0.63, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.75, 0.69, 0.88).CGColor]]; 121 | [chromatoLayer setStartPoint:CGPointMake(0, 0)]; 122 | [chromatoLayer setEndPoint:CGPointMake(1, 0)]; 123 | chromatoLayer.locations = @[@(0.0f) ,@(1.0f)]; 124 | [chromatoLayer setFrame:CGRectMake(0, 0, btnWidth, btnHeight)]; 125 | 126 | CAKeyframeAnimation *chromateAnimate = [self createGradientChromatoKeyAnimation]; 127 | 128 | [chromatoLayer addAnimation:chromateAnimate forKey:@"chromateAnimate"]; 129 | 130 | if (chromatoLayer.superlayer == nil) { 131 | [view.layer insertSublayer:chromatoLayer below:view.layer.sublayers[0]]; 132 | } 133 | } 134 | 135 | + (void)addLinearGradientForLableText:(UIView *)parentView lable:(UILabel *)lable start:(UIColor *)startColor and:(UIColor *)endColor; 136 | { 137 | if (parentView == nil || lable == nil) { 138 | return; 139 | } 140 | 141 | [parentView addSubview:lable]; 142 | 143 | CAGradientLayer *chromatoLayer = [CAGradientLayer layer]; 144 | [chromatoLayer setColors:@[(__bridge id)startColor.CGColor, (__bridge id)endColor.CGColor]]; 145 | [chromatoLayer setStartPoint:CGPointMake(0, 0)]; 146 | [chromatoLayer setEndPoint:CGPointMake(1, 0)]; 147 | chromatoLayer.locations = @[@(0.0f) ,@(1.0f)]; 148 | [chromatoLayer setFrame:parentView.frame]; 149 | 150 | [parentView.layer addSublayer:chromatoLayer]; 151 | chromatoLayer.mask = lable.layer; 152 | chromatoLayer.frame = chromatoLayer.bounds; 153 | } 154 | 155 | + (void)addGradientChromatoAnimationForLableText:(UIView *)parentView lable:(UILabel *)lable 156 | { 157 | if (parentView == nil || lable == nil) { 158 | return; 159 | } 160 | 161 | [parentView addSubview:lable]; 162 | 163 | CAGradientLayer *chromatoLayer = [CAGradientLayer layer]; 164 | [chromatoLayer setColors:@[(__bridge id)UIColorFronHSB(0.63, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.75, 0.69, 0.88).CGColor]]; 165 | [chromatoLayer setStartPoint:CGPointMake(0, 0)]; 166 | [chromatoLayer setEndPoint:CGPointMake(1, 0)]; 167 | chromatoLayer.locations = @[@(0.0f) ,@(1.0f)]; 168 | [chromatoLayer setFrame:parentView.frame]; 169 | 170 | CAKeyframeAnimation *chromateAnimate = [self createGradientChromatoKeyAnimation]; 171 | 172 | [chromatoLayer addAnimation:chromateAnimate forKey:@"chromateAnimate"]; 173 | 174 | [parentView.layer addSublayer:chromatoLayer]; 175 | chromatoLayer.mask = lable.layer; 176 | chromatoLayer.frame = chromatoLayer.bounds; 177 | } 178 | 179 | 180 | #pragma mark - private method 181 | 182 | + (CAKeyframeAnimation *)createGradientChromatoKeyAnimation 183 | { 184 | CAKeyframeAnimation *chromateAnimate = [CAKeyframeAnimation animationWithKeyPath:@"colors"]; 185 | 186 | chromateAnimate.values = @[@[(__bridge id)UIColorFronHSB(0.63, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.75, 0.69, 0.88).CGColor], 187 | @[(__bridge id)UIColorFronHSB(0.73, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.85, 0.69, 0.88).CGColor], 188 | @[(__bridge id)UIColorFronHSB(0.83, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.95, 0.69, 0.88).CGColor], 189 | @[(__bridge id)UIColorFronHSB(0.88, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(1, 0.69, 0.88).CGColor], 190 | @[(__bridge id)UIColorFronHSB(0.98, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.1, 0.69, 0.88).CGColor], 191 | @[(__bridge id)UIColorFronHSB(1, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.12, 0.69, 0.88).CGColor], 192 | @[(__bridge id)UIColorFronHSB(0.1, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.22, 0.69, 0.88).CGColor], 193 | @[(__bridge id)UIColorFronHSB(0.2, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.32, 0.69, 0.88).CGColor], 194 | @[(__bridge id)UIColorFronHSB(0.3, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.42, 0.69, 0.88).CGColor], 195 | @[(__bridge id)UIColorFronHSB(0.4, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.52, 0.69, 0.88).CGColor], 196 | @[(__bridge id)UIColorFronHSB(0.5, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.62, 0.69, 0.88).CGColor], 197 | @[(__bridge id)UIColorFronHSB(0.6, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.72, 0.69, 0.88).CGColor], 198 | @[(__bridge id)UIColorFronHSB(0.63, 0.69, 0.88).CGColor, (__bridge id)UIColorFronHSB(0.75, 0.69, 0.88).CGColor]]; 199 | chromateAnimate.keyTimes = @[@0, @0.1, @0.2, @0.25, @0.35, @0.37, @0.47, @0.57, @0.67, @0.77, @0.87, @0.97, @1]; 200 | chromateAnimate.duration = 6; 201 | chromateAnimate.removedOnCompletion = NO; 202 | chromateAnimate.repeatCount = MAXFLOAT; 203 | 204 | return chromateAnimate; 205 | } 206 | 207 | @end 208 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASConstraintMaker.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraintBuilder.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraintMaker.h" 10 | #import "MASViewConstraint.h" 11 | #import "MASCompositeConstraint.h" 12 | #import "MASConstraint+Private.h" 13 | #import "MASViewAttribute.h" 14 | #import "View+MASAdditions.h" 15 | 16 | @interface MASConstraintMaker () 17 | 18 | @property (nonatomic, weak) MAS_VIEW *view; 19 | @property (nonatomic, strong) NSMutableArray *constraints; 20 | 21 | @end 22 | 23 | @implementation MASConstraintMaker 24 | 25 | - (id)initWithView:(MAS_VIEW *)view { 26 | self = [super init]; 27 | if (!self) return nil; 28 | 29 | self.view = view; 30 | self.constraints = NSMutableArray.new; 31 | 32 | return self; 33 | } 34 | 35 | - (NSArray *)install { 36 | if (self.removeExisting) { 37 | NSArray *installedConstraints = [MASViewConstraint installedConstraintsForView:self.view]; 38 | for (MASConstraint *constraint in installedConstraints) { 39 | [constraint uninstall]; 40 | } 41 | } 42 | NSArray *constraints = self.constraints.copy; 43 | for (MASConstraint *constraint in constraints) { 44 | constraint.updateExisting = self.updateExisting; 45 | [constraint install]; 46 | } 47 | [self.constraints removeAllObjects]; 48 | return constraints; 49 | } 50 | 51 | #pragma mark - MASConstraintDelegate 52 | 53 | - (void)constraint:(MASConstraint *)constraint shouldBeReplacedWithConstraint:(MASConstraint *)replacementConstraint { 54 | NSUInteger index = [self.constraints indexOfObject:constraint]; 55 | NSAssert(index != NSNotFound, @"Could not find constraint %@", constraint); 56 | [self.constraints replaceObjectAtIndex:index withObject:replacementConstraint]; 57 | } 58 | 59 | - (MASConstraint *)constraint:(MASConstraint *)constraint addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 60 | MASViewAttribute *viewAttribute = [[MASViewAttribute alloc] initWithView:self.view layoutAttribute:layoutAttribute]; 61 | MASViewConstraint *newConstraint = [[MASViewConstraint alloc] initWithFirstViewAttribute:viewAttribute]; 62 | if ([constraint isKindOfClass:MASViewConstraint.class]) { 63 | //replace with composite constraint 64 | NSArray *children = @[constraint, newConstraint]; 65 | MASCompositeConstraint *compositeConstraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 66 | compositeConstraint.delegate = self; 67 | [self constraint:constraint shouldBeReplacedWithConstraint:compositeConstraint]; 68 | return compositeConstraint; 69 | } 70 | if (!constraint) { 71 | newConstraint.delegate = self; 72 | [self.constraints addObject:newConstraint]; 73 | } 74 | return newConstraint; 75 | } 76 | 77 | - (MASConstraint *)addConstraintWithAttributes:(MASAttribute)attrs { 78 | __unused MASAttribute anyAttribute = (MASAttributeLeft | MASAttributeRight | MASAttributeTop | MASAttributeBottom | MASAttributeLeading 79 | | MASAttributeTrailing | MASAttributeWidth | MASAttributeHeight | MASAttributeCenterX 80 | | MASAttributeCenterY | MASAttributeBaseline 81 | #if TARGET_OS_IPHONE 82 | | MASAttributeLeftMargin | MASAttributeRightMargin | MASAttributeTopMargin | MASAttributeBottomMargin 83 | | MASAttributeLeadingMargin | MASAttributeTrailingMargin | MASAttributeCenterXWithinMargins 84 | | MASAttributeCenterYWithinMargins 85 | #endif 86 | ); 87 | 88 | NSAssert((attrs & anyAttribute) != 0, @"You didn't pass any attribute to make.attributes(...)"); 89 | 90 | NSMutableArray *attributes = [NSMutableArray array]; 91 | 92 | if (attrs & MASAttributeLeft) [attributes addObject:self.view.mas_left]; 93 | if (attrs & MASAttributeRight) [attributes addObject:self.view.mas_right]; 94 | if (attrs & MASAttributeTop) [attributes addObject:self.view.mas_top]; 95 | if (attrs & MASAttributeBottom) [attributes addObject:self.view.mas_bottom]; 96 | if (attrs & MASAttributeLeading) [attributes addObject:self.view.mas_leading]; 97 | if (attrs & MASAttributeTrailing) [attributes addObject:self.view.mas_trailing]; 98 | if (attrs & MASAttributeWidth) [attributes addObject:self.view.mas_width]; 99 | if (attrs & MASAttributeHeight) [attributes addObject:self.view.mas_height]; 100 | if (attrs & MASAttributeCenterX) [attributes addObject:self.view.mas_centerX]; 101 | if (attrs & MASAttributeCenterY) [attributes addObject:self.view.mas_centerY]; 102 | if (attrs & MASAttributeBaseline) [attributes addObject:self.view.mas_baseline]; 103 | 104 | #if TARGET_OS_IPHONE 105 | 106 | if (attrs & MASAttributeLeftMargin) [attributes addObject:self.view.mas_leftMargin]; 107 | if (attrs & MASAttributeRightMargin) [attributes addObject:self.view.mas_rightMargin]; 108 | if (attrs & MASAttributeTopMargin) [attributes addObject:self.view.mas_topMargin]; 109 | if (attrs & MASAttributeBottomMargin) [attributes addObject:self.view.mas_bottomMargin]; 110 | if (attrs & MASAttributeLeadingMargin) [attributes addObject:self.view.mas_leadingMargin]; 111 | if (attrs & MASAttributeTrailingMargin) [attributes addObject:self.view.mas_trailingMargin]; 112 | if (attrs & MASAttributeCenterXWithinMargins) [attributes addObject:self.view.mas_centerXWithinMargins]; 113 | if (attrs & MASAttributeCenterYWithinMargins) [attributes addObject:self.view.mas_centerYWithinMargins]; 114 | 115 | #endif 116 | 117 | NSMutableArray *children = [NSMutableArray arrayWithCapacity:attributes.count]; 118 | 119 | for (MASViewAttribute *a in attributes) { 120 | [children addObject:[[MASViewConstraint alloc] initWithFirstViewAttribute:a]]; 121 | } 122 | 123 | MASCompositeConstraint *constraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 124 | constraint.delegate = self; 125 | [self.constraints addObject:constraint]; 126 | return constraint; 127 | } 128 | 129 | #pragma mark - standard Attributes 130 | 131 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 132 | return [self constraint:nil addConstraintWithLayoutAttribute:layoutAttribute]; 133 | } 134 | 135 | - (MASConstraint *)left { 136 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeft]; 137 | } 138 | 139 | - (MASConstraint *)top { 140 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTop]; 141 | } 142 | 143 | - (MASConstraint *)right { 144 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRight]; 145 | } 146 | 147 | - (MASConstraint *)bottom { 148 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottom]; 149 | } 150 | 151 | - (MASConstraint *)leading { 152 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeading]; 153 | } 154 | 155 | - (MASConstraint *)trailing { 156 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailing]; 157 | } 158 | 159 | - (MASConstraint *)width { 160 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeWidth]; 161 | } 162 | 163 | - (MASConstraint *)height { 164 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeHeight]; 165 | } 166 | 167 | - (MASConstraint *)centerX { 168 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterX]; 169 | } 170 | 171 | - (MASConstraint *)centerY { 172 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterY]; 173 | } 174 | 175 | - (MASConstraint *)baseline { 176 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBaseline]; 177 | } 178 | 179 | - (MASConstraint *(^)(MASAttribute))attributes { 180 | return ^(MASAttribute attrs){ 181 | return [self addConstraintWithAttributes:attrs]; 182 | }; 183 | } 184 | 185 | #if TARGET_OS_IPHONE 186 | 187 | - (MASConstraint *)leftMargin { 188 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeftMargin]; 189 | } 190 | 191 | - (MASConstraint *)rightMargin { 192 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRightMargin]; 193 | } 194 | 195 | - (MASConstraint *)topMargin { 196 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTopMargin]; 197 | } 198 | 199 | - (MASConstraint *)bottomMargin { 200 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottomMargin]; 201 | } 202 | 203 | - (MASConstraint *)leadingMargin { 204 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeadingMargin]; 205 | } 206 | 207 | - (MASConstraint *)trailingMargin { 208 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailingMargin]; 209 | } 210 | 211 | - (MASConstraint *)centerXWithinMargins { 212 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterXWithinMargins]; 213 | } 214 | 215 | - (MASConstraint *)centerYWithinMargins { 216 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterYWithinMargins]; 217 | } 218 | 219 | #endif 220 | 221 | 222 | #pragma mark - composite Attributes 223 | 224 | - (MASConstraint *)edges { 225 | return [self addConstraintWithAttributes:MASAttributeTop | MASAttributeLeft | MASAttributeRight | MASAttributeBottom]; 226 | } 227 | 228 | - (MASConstraint *)size { 229 | return [self addConstraintWithAttributes:MASAttributeWidth | MASAttributeHeight]; 230 | } 231 | 232 | - (MASConstraint *)center { 233 | return [self addConstraintWithAttributes:MASAttributeCenterX | MASAttributeCenterY]; 234 | } 235 | 236 | #pragma mark - grouping 237 | 238 | - (MASConstraint *(^)(dispatch_block_t group))group { 239 | return ^id(dispatch_block_t group) { 240 | NSInteger previousCount = self.constraints.count; 241 | group(); 242 | 243 | NSArray *children = [self.constraints subarrayWithRange:NSMakeRange(previousCount, self.constraints.count - previousCount)]; 244 | MASCompositeConstraint *constraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 245 | constraint.delegate = self; 246 | return constraint; 247 | }; 248 | } 249 | 250 | @end 251 | -------------------------------------------------------------------------------- /Example/Example/Masonry/MASViewConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASViewConstraint.h" 10 | #import "MASConstraint+Private.h" 11 | #import "MASCompositeConstraint.h" 12 | #import "MASLayoutConstraint.h" 13 | #import "View+MASAdditions.h" 14 | #import 15 | 16 | @interface MAS_VIEW (MASConstraints) 17 | 18 | @property (nonatomic, readonly) NSMutableSet *mas_installedConstraints; 19 | 20 | @end 21 | 22 | @implementation MAS_VIEW (MASConstraints) 23 | 24 | static char kInstalledConstraintsKey; 25 | 26 | - (NSMutableSet *)mas_installedConstraints { 27 | NSMutableSet *constraints = objc_getAssociatedObject(self, &kInstalledConstraintsKey); 28 | if (!constraints) { 29 | constraints = [NSMutableSet set]; 30 | objc_setAssociatedObject(self, &kInstalledConstraintsKey, constraints, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 31 | } 32 | return constraints; 33 | } 34 | 35 | @end 36 | 37 | 38 | @interface MASViewConstraint () 39 | 40 | @property (nonatomic, strong, readwrite) MASViewAttribute *secondViewAttribute; 41 | @property (nonatomic, weak) MAS_VIEW *installedView; 42 | @property (nonatomic, weak) MASLayoutConstraint *layoutConstraint; 43 | @property (nonatomic, assign) NSLayoutRelation layoutRelation; 44 | @property (nonatomic, assign) MASLayoutPriority layoutPriority; 45 | @property (nonatomic, assign) CGFloat layoutMultiplier; 46 | @property (nonatomic, assign) CGFloat layoutConstant; 47 | @property (nonatomic, assign) BOOL hasLayoutRelation; 48 | @property (nonatomic, strong) id mas_key; 49 | @property (nonatomic, assign) BOOL useAnimator; 50 | 51 | @end 52 | 53 | @implementation MASViewConstraint 54 | 55 | - (id)initWithFirstViewAttribute:(MASViewAttribute *)firstViewAttribute { 56 | self = [super init]; 57 | if (!self) return nil; 58 | 59 | _firstViewAttribute = firstViewAttribute; 60 | self.layoutPriority = MASLayoutPriorityRequired; 61 | self.layoutMultiplier = 1; 62 | 63 | return self; 64 | } 65 | 66 | #pragma mark - NSCoping 67 | 68 | - (id)copyWithZone:(NSZone __unused *)zone { 69 | MASViewConstraint *constraint = [[MASViewConstraint alloc] initWithFirstViewAttribute:self.firstViewAttribute]; 70 | constraint.layoutConstant = self.layoutConstant; 71 | constraint.layoutRelation = self.layoutRelation; 72 | constraint.layoutPriority = self.layoutPriority; 73 | constraint.layoutMultiplier = self.layoutMultiplier; 74 | constraint.delegate = self.delegate; 75 | return constraint; 76 | } 77 | 78 | #pragma mark - Public 79 | 80 | + (NSArray *)installedConstraintsForView:(MAS_VIEW *)view { 81 | return [view.mas_installedConstraints allObjects]; 82 | } 83 | 84 | #pragma mark - Private 85 | 86 | - (void)setLayoutConstant:(CGFloat)layoutConstant { 87 | _layoutConstant = layoutConstant; 88 | 89 | #if TARGET_OS_MAC && !TARGET_OS_IPHONE 90 | if (self.useAnimator) { 91 | [self.layoutConstraint.animator setConstant:layoutConstant]; 92 | } else { 93 | self.layoutConstraint.constant = layoutConstant; 94 | } 95 | #else 96 | self.layoutConstraint.constant = layoutConstant; 97 | #endif 98 | } 99 | 100 | - (void)setLayoutRelation:(NSLayoutRelation)layoutRelation { 101 | _layoutRelation = layoutRelation; 102 | self.hasLayoutRelation = YES; 103 | } 104 | 105 | - (BOOL)supportsActiveProperty { 106 | return [self.layoutConstraint respondsToSelector:@selector(isActive)]; 107 | } 108 | 109 | - (BOOL)isActive { 110 | BOOL active = YES; 111 | if ([self supportsActiveProperty]) { 112 | active = [self.layoutConstraint isActive]; 113 | } 114 | 115 | return active; 116 | } 117 | 118 | - (BOOL)hasBeenInstalled { 119 | return (self.layoutConstraint != nil) && [self isActive]; 120 | } 121 | 122 | - (void)setSecondViewAttribute:(id)secondViewAttribute { 123 | if ([secondViewAttribute isKindOfClass:NSValue.class]) { 124 | [self setLayoutConstantWithValue:secondViewAttribute]; 125 | } else if ([secondViewAttribute isKindOfClass:MAS_VIEW.class]) { 126 | _secondViewAttribute = [[MASViewAttribute alloc] initWithView:secondViewAttribute layoutAttribute:self.firstViewAttribute.layoutAttribute]; 127 | } else if ([secondViewAttribute isKindOfClass:MASViewAttribute.class]) { 128 | _secondViewAttribute = secondViewAttribute; 129 | } else { 130 | NSAssert(NO, @"attempting to add unsupported attribute: %@", secondViewAttribute); 131 | } 132 | } 133 | 134 | #pragma mark - NSLayoutConstraint multiplier proxies 135 | 136 | - (MASConstraint * (^)(CGFloat))multipliedBy { 137 | return ^id(CGFloat multiplier) { 138 | NSAssert(!self.hasBeenInstalled, 139 | @"Cannot modify constraint multiplier after it has been installed"); 140 | 141 | self.layoutMultiplier = multiplier; 142 | return self; 143 | }; 144 | } 145 | 146 | 147 | - (MASConstraint * (^)(CGFloat))dividedBy { 148 | return ^id(CGFloat divider) { 149 | NSAssert(!self.hasBeenInstalled, 150 | @"Cannot modify constraint multiplier after it has been installed"); 151 | 152 | self.layoutMultiplier = 1.0/divider; 153 | return self; 154 | }; 155 | } 156 | 157 | #pragma mark - MASLayoutPriority proxy 158 | 159 | - (MASConstraint * (^)(MASLayoutPriority))priority { 160 | return ^id(MASLayoutPriority priority) { 161 | NSAssert(!self.hasBeenInstalled, 162 | @"Cannot modify constraint priority after it has been installed"); 163 | 164 | self.layoutPriority = priority; 165 | return self; 166 | }; 167 | } 168 | 169 | #pragma mark - NSLayoutRelation proxy 170 | 171 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation { 172 | return ^id(id attribute, NSLayoutRelation relation) { 173 | if ([attribute isKindOfClass:NSArray.class]) { 174 | NSAssert(!self.hasLayoutRelation, @"Redefinition of constraint relation"); 175 | NSMutableArray *children = NSMutableArray.new; 176 | for (id attr in attribute) { 177 | MASViewConstraint *viewConstraint = [self copy]; 178 | viewConstraint.secondViewAttribute = attr; 179 | [children addObject:viewConstraint]; 180 | } 181 | MASCompositeConstraint *compositeConstraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 182 | compositeConstraint.delegate = self.delegate; 183 | [self.delegate constraint:self shouldBeReplacedWithConstraint:compositeConstraint]; 184 | return compositeConstraint; 185 | } else { 186 | NSAssert(!self.hasLayoutRelation || self.layoutRelation == relation && [attribute isKindOfClass:NSValue.class], @"Redefinition of constraint relation"); 187 | self.layoutRelation = relation; 188 | self.secondViewAttribute = attribute; 189 | return self; 190 | } 191 | }; 192 | } 193 | 194 | #pragma mark - Semantic properties 195 | 196 | - (MASConstraint *)with { 197 | return self; 198 | } 199 | 200 | - (MASConstraint *)and { 201 | return self; 202 | } 203 | 204 | #pragma mark - attribute chaining 205 | 206 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 207 | NSAssert(!self.hasLayoutRelation, @"Attributes should be chained before defining the constraint relation"); 208 | 209 | return [self.delegate constraint:self addConstraintWithLayoutAttribute:layoutAttribute]; 210 | } 211 | 212 | #pragma mark - Animator proxy 213 | 214 | #if TARGET_OS_MAC && !TARGET_OS_IPHONE 215 | 216 | - (MASConstraint *)animator { 217 | self.useAnimator = YES; 218 | return self; 219 | } 220 | 221 | #endif 222 | 223 | #pragma mark - debug helpers 224 | 225 | - (MASConstraint * (^)(id))key { 226 | return ^id(id key) { 227 | self.mas_key = key; 228 | return self; 229 | }; 230 | } 231 | 232 | #pragma mark - NSLayoutConstraint constant setters 233 | 234 | - (void)setInsets:(MASEdgeInsets)insets { 235 | NSLayoutAttribute layoutAttribute = self.firstViewAttribute.layoutAttribute; 236 | switch (layoutAttribute) { 237 | case NSLayoutAttributeLeft: 238 | case NSLayoutAttributeLeading: 239 | self.layoutConstant = insets.left; 240 | break; 241 | case NSLayoutAttributeTop: 242 | self.layoutConstant = insets.top; 243 | break; 244 | case NSLayoutAttributeBottom: 245 | self.layoutConstant = -insets.bottom; 246 | break; 247 | case NSLayoutAttributeRight: 248 | case NSLayoutAttributeTrailing: 249 | self.layoutConstant = -insets.right; 250 | break; 251 | default: 252 | break; 253 | } 254 | } 255 | 256 | - (void)setOffset:(CGFloat)offset { 257 | self.layoutConstant = offset; 258 | } 259 | 260 | - (void)setSizeOffset:(CGSize)sizeOffset { 261 | NSLayoutAttribute layoutAttribute = self.firstViewAttribute.layoutAttribute; 262 | switch (layoutAttribute) { 263 | case NSLayoutAttributeWidth: 264 | self.layoutConstant = sizeOffset.width; 265 | break; 266 | case NSLayoutAttributeHeight: 267 | self.layoutConstant = sizeOffset.height; 268 | break; 269 | default: 270 | break; 271 | } 272 | } 273 | 274 | - (void)setCenterOffset:(CGPoint)centerOffset { 275 | NSLayoutAttribute layoutAttribute = self.firstViewAttribute.layoutAttribute; 276 | switch (layoutAttribute) { 277 | case NSLayoutAttributeCenterX: 278 | self.layoutConstant = centerOffset.x; 279 | break; 280 | case NSLayoutAttributeCenterY: 281 | self.layoutConstant = centerOffset.y; 282 | break; 283 | default: 284 | break; 285 | } 286 | } 287 | 288 | #pragma mark - MASConstraint 289 | 290 | - (void)activate { 291 | if ([self supportsActiveProperty] && self.layoutConstraint) { 292 | if (self.hasBeenInstalled) { 293 | return; 294 | } 295 | self.layoutConstraint.active = YES; 296 | [self.firstViewAttribute.view.mas_installedConstraints addObject:self]; 297 | } else { 298 | [self install]; 299 | } 300 | } 301 | 302 | - (void)deactivate { 303 | if ([self supportsActiveProperty]) { 304 | self.layoutConstraint.active = NO; 305 | [self.firstViewAttribute.view.mas_installedConstraints removeObject:self]; 306 | } else { 307 | [self uninstall]; 308 | } 309 | } 310 | 311 | - (void)install { 312 | if (self.hasBeenInstalled) { 313 | return; 314 | } 315 | 316 | MAS_VIEW *firstLayoutItem = self.firstViewAttribute.item; 317 | NSLayoutAttribute firstLayoutAttribute = self.firstViewAttribute.layoutAttribute; 318 | MAS_VIEW *secondLayoutItem = self.secondViewAttribute.item; 319 | NSLayoutAttribute secondLayoutAttribute = self.secondViewAttribute.layoutAttribute; 320 | 321 | // alignment attributes must have a secondViewAttribute 322 | // therefore we assume that is refering to superview 323 | // eg make.left.equalTo(@10) 324 | if (!self.firstViewAttribute.isSizeAttribute && !self.secondViewAttribute) { 325 | secondLayoutItem = self.firstViewAttribute.view.superview; 326 | secondLayoutAttribute = firstLayoutAttribute; 327 | } 328 | 329 | MASLayoutConstraint *layoutConstraint 330 | = [MASLayoutConstraint constraintWithItem:firstLayoutItem 331 | attribute:firstLayoutAttribute 332 | relatedBy:self.layoutRelation 333 | toItem:secondLayoutItem 334 | attribute:secondLayoutAttribute 335 | multiplier:self.layoutMultiplier 336 | constant:self.layoutConstant]; 337 | 338 | layoutConstraint.priority = self.layoutPriority; 339 | layoutConstraint.mas_key = self.mas_key; 340 | 341 | if (self.secondViewAttribute.view) { 342 | MAS_VIEW *closestCommonSuperview = [self.firstViewAttribute.view mas_closestCommonSuperview:self.secondViewAttribute.view]; 343 | NSAssert(closestCommonSuperview, 344 | @"couldn't find a common superview for %@ and %@", 345 | self.firstViewAttribute.view, self.secondViewAttribute.view); 346 | self.installedView = closestCommonSuperview; 347 | } else if (self.firstViewAttribute.isSizeAttribute) { 348 | self.installedView = self.firstViewAttribute.view; 349 | } else { 350 | self.installedView = self.firstViewAttribute.view.superview; 351 | } 352 | 353 | 354 | MASLayoutConstraint *existingConstraint = nil; 355 | if (self.updateExisting) { 356 | existingConstraint = [self layoutConstraintSimilarTo:layoutConstraint]; 357 | } 358 | if (existingConstraint) { 359 | // just update the constant 360 | existingConstraint.constant = layoutConstraint.constant; 361 | self.layoutConstraint = existingConstraint; 362 | } else { 363 | [self.installedView addConstraint:layoutConstraint]; 364 | self.layoutConstraint = layoutConstraint; 365 | [firstLayoutItem.mas_installedConstraints addObject:self]; 366 | } 367 | } 368 | 369 | - (MASLayoutConstraint *)layoutConstraintSimilarTo:(MASLayoutConstraint *)layoutConstraint { 370 | // check if any constraints are the same apart from the only mutable property constant 371 | 372 | // go through constraints in reverse as we do not want to match auto-resizing or interface builder constraints 373 | // and they are likely to be added first. 374 | for (NSLayoutConstraint *existingConstraint in self.installedView.constraints.reverseObjectEnumerator) { 375 | if (![existingConstraint isKindOfClass:MASLayoutConstraint.class]) continue; 376 | if (existingConstraint.firstItem != layoutConstraint.firstItem) continue; 377 | if (existingConstraint.secondItem != layoutConstraint.secondItem) continue; 378 | if (existingConstraint.firstAttribute != layoutConstraint.firstAttribute) continue; 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