add files

GMAI/Classes/FaceAITool/NSString+jsonData.h

+//
+//  NSString+jsonData.h
+//  Gengmei
+//
+//  Created by lizhen on 2018/11/16.
+//  Copyright © 2018 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSString (jsonData)
+
+/**
+ 字符串转字典
+ */
+- (NSDictionary *)dictionaryWithJsonString;
+
++ (id)jsonToObject:(NSString *)json;
+/**
+ 未知类型（仅限字典/数组/字符串）
+ 
+ @param object 字典/数组/字符串
+ @return 字符串
+ */
++ (NSString *)jsonStringWithObject:(id)object;
+
+/**
+ 字典类型转JSON
+ 
+ @param dictionary 字典数据
+ @return 返回字符串
+ */
++ (NSString *)jsonStringWithDictionary:(NSDictionary *)dictionary;
+
+
+/**
+ 数组类型转JSON
+ 
+ @param array 数组类型
+ @return 返回字符串
+ */
++ (NSString *)jsonStringWithArray:(NSArray *)array;
+
+
+/**
+ 字符串类型转JSON
+ 
+ @param string 字符串类型
+ @return 返回字符串
+ */
++ (NSString *)jsonStringWithString:(NSString *)string;
+@end
+
+NS_ASSUME_NONNULL_END

GMAI/Classes/FaceAITool/NSString+jsonData.m

+//
+//  NSString+jsonData.m
+//  Gengmei
+//
+//  Created by lizhen on 2018/11/16.
+//  Copyright © 2018 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "NSString+jsonData.h"
+
+@implementation NSString (jsonData)
+
+/**
+字符串转字典
+ */
+- (NSDictionary *)dictionaryWithJsonString {
+    if (self == nil) {
+        return nil;
+    }
+    NSData *jsonData = [self dataUsingEncoding:NSUTF8StringEncoding];
+    NSError *err;
+    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
+                                                        options:NSJSONReadingMutableContainers
+                                                          error:&err];
+    if(err) {
+        NSLog(@"json解析失败：%@",err);
+        return nil;
+    }
+    return dic;
+}
+
++ (id)jsonToObject:(NSString *)json {
+    //string转data
+    NSData * jsonData = [json dataUsingEncoding:NSUTF8StringEncoding];
+    //json解析
+    id obj = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:nil];
+    return obj;
+}
+
+/**
+ 未知类型（仅限字典/数组/字符串）
+ 
+ @param object 字典/数组/字符串
+ @return 字符串
+ */
++ (NSString *)jsonStringWithObject:(id)object {
+    NSString *value = nil;
+    if (!object) {
+        return value;
+    }
+    if ([object isKindOfClass:[NSString class]]) {
+        value = [NSString jsonStringWithString:object];
+    }else if([object isKindOfClass:[NSDictionary class]]){
+        value = [NSString jsonStringWithDictionary:object];
+    }else if([object isKindOfClass:[NSArray class]]){
+        value = [NSString jsonStringWithArray:object];
+    }
+    return value;
+}
+
+/**
+ 字符串类型转JSON
+ 
+ @param string 字符串类型
+ @return 返回字符串
+ */
++ (NSString *)jsonStringWithString:(NSString *)string {
+    return [NSString stringWithFormat:@"%@",
+            [[string stringByReplacingOccurrencesOfString:@"\n" withString:@"\\n"] stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""]
+            ];
+}
+
+/**
+ 数组类型转JSON
+ 
+ @param array 数组类型
+ @return 返回字符串
+ */
++ (NSString *)jsonStringWithArray:(NSArray *)array {
+    NSMutableString *reString = [NSMutableString string];
+    [reString appendString:@"["];
+    NSMutableArray *values = [NSMutableArray array];
+    for (id valueObj in array) {
+        NSString *value = [NSString jsonStringWithObject:valueObj];
+        if (value) {
+            [values addObject:[NSString stringWithFormat:@"%@",value]];
+        }
+    }
+    [reString appendFormat:@"%@",[values componentsJoinedByString:@","]];
+    [reString appendString:@"]"];
+    return reString;
+}
+
+/**
+ 字典类型转JSON
+ 
+ @param dictionary 字典数据
+ @return 返回字符串
+ */
++ (NSString *)jsonStringWithDictionary:(NSDictionary *)dictionary {
+    NSError *parseError = nil;
+    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictionary options:NSJSONWritingPrettyPrinted error:&parseError];
+    return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
+}
+
+@end

GMAI/Classes/FaceAITool/UIImage+GMExtension.h

+//
+//  UIImage+GMExtension.h
+//  Gengmei
+//
+//  Created by Q14 on 2018/9/28.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface UIImage (GMExtension)
++ (UIImage *)animatedGIFWithData:(NSData *)data;
+- (UIImage *)animatedImageByScalingAndCroppingToSize:(CGSize)size;
+- (UIImage *)normalizedImage;
+- (UIImage *)clipImage:(CGFloat)scale;
+- (UIImage *)scaleImagetoScale:(float)scaleSize;
+- (UIImage *)clipNormalizedImage:(CGFloat)scale;
+- (UIImage *)fullNormalizedImage;
+- (UIImage *)clipLeftOrRightImage:(CGFloat)scale;
+- (UIImage *)rotationImage:(UIImageOrientation)orient;
+- (UIImage *)resizableImage;
+- (UIImage *)drawRoundedRectImage:(CGFloat)cornerRadius width:(CGFloat)width height:(CGFloat)height;
+- (UIImage *)drawCircleImage;
+@end
+
+NS_ASSUME_NONNULL_END

GMAI/Classes/FaceAITool/UIView+GMExtension.h

+//
+//  UIView+GMExtension.h
+//  Gengmei
+//
+//  Created by Q14 on 2018/9/28.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+@class GMPhotoManager;
+@interface UIView (GMExtension)
+
+@property (assign, nonatomic) CGFloat gm_x;
+@property (assign, nonatomic) CGFloat gm_y;
+@property (assign, nonatomic) CGFloat gm_w;
+@property (assign, nonatomic) CGFloat gm_h;
+@property (assign, nonatomic) CGSize gm_size;
+@property (assign, nonatomic) CGPoint gm_origin;
+
+/**
+ 获取当前视图的控制器
+ 
+ @return 控制器
+ */
+//- (UIViewController *)viewController;
+//
+//- (void)showImageHUDText:(NSString *)text;
+//- (void)showLoadingHUDText:(NSString *)text;
+//- (void)handleLoading;
+//
+///* <HXAlbumListViewControllerDelegate> */
+//- (void)gm_presentAlbumListViewControllerWithManager:(GMPhotoManager *)manager delegate:(id)delegate;
+//
+///* <HXCustomCameraViewControllerDelegate> */
+//- (void)gm_presentCustomCameraViewControllerWithManager:(GMPhotoManager *)manager delegate:(id)delegate;
+@end

GMAI/Classes/FaceAITool/UIView+GMExtension.m

+//
+//  UIView+GMExtension.m
+//  Gengmei
+//
+//  Created by Q14 on 2018/9/28.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "UIView+GMExtension.h"
+//#import "GMAlbumListViewController.h"
+//#import "GMPhotoTools.h"
+@import GMKit;
+@implementation UIView (GMExtension)
+
+- (void)setGm_x:(CGFloat)gm_x
+{
+    CGRect frame = self.frame;
+    frame.origin.x = gm_x;
+    self.frame = frame;
+}
+
+- (CGFloat)gm_x
+{
+    return self.frame.origin.x;
+}
+
+- (void)setGm_y:(CGFloat)gm_y
+{
+    CGRect frame = self.frame;
+    frame.origin.y = gm_y;
+    self.frame = frame;
+}
+
+- (CGFloat)gm_y
+{
+    return self.frame.origin.y;
+}
+
+- (void)setGm_w:(CGFloat)gm_w
+{
+    CGRect frame = self.frame;
+    frame.size.width = gm_w;
+    self.frame = frame;
+}
+
+- (CGFloat)gm_w
+{
+    return self.frame.size.width;
+}
+
+- (void)setGm_h:(CGFloat)gm_h
+{
+    CGRect frame = self.frame;
+    frame.size.height = gm_h;
+    self.frame = frame;
+}
+
+- (CGFloat)gm_h
+{
+    return self.frame.size.height;
+}
+
+- (void)setGm_size:(CGSize)gm_size
+{
+    CGRect frame = self.frame;
+    frame.size = gm_size;
+    self.frame = frame;
+}
+
+- (CGSize)gm_size
+{
+    return self.frame.size;
+}
+
+- (void)setGm_origin:(CGPoint)gm_origin
+{
+    CGRect frame = self.frame;
+    frame.origin = gm_origin;
+    self.frame = frame;
+}
+
+- (CGPoint)gm_origin
+{
+    return self.frame.origin;
+}
+
+/**
+ 获取当前视图的控制器
+ 
+ @return 控制器
+ */
+- (UIViewController*)viewController {
+    for (UIView* next = [self superview]; next; next = next.superview) {
+        UIResponder* nextResponder = [next nextResponder];
+        if ([nextResponder isKindOfClass:[UINavigationController class]] || [nextResponder isKindOfClass:[UIViewController class]]) {
+            return (UIViewController*)nextResponder;
+        }
+    }
+    return nil;
+}
+
+- (void)handleLoading {
+    [UIView cancelPreviousPerformRequestsWithTarget:self];
+    for (UIView *view in self.subviews) {
+        if (view.tag == 10086) {
+            [UIView animateWithDuration:0.2f animations:^{
+                view.alpha = 0;
+            } completion:^(BOOL finished) {
+                [view removeFromSuperview];
+            }];
+        }
+    }
+}
+
+- (void)handleGraceTimer {
+    [UIView cancelPreviousPerformRequestsWithTarget:self];
+    for (UIView *view in self.subviews) {
+        if (view.tag == 1008611) {
+            [UIView animateWithDuration:0.2f animations:^{
+                view.alpha = 0;
+            } completion:^(BOOL finished) {
+                [view removeFromSuperview];
+            }];
+        }
+    }
+}
+
+@end

GMAI/Classes/Util/FaceGuideView.swift

+//
+//  FaceGuideView.swift
+//  Pods
+//
+//  Created by licong on 2017/3/15.
+//
+//
+
+import UIKit
+import GMBaseSwift
+import GMKit
+import GMCache
+
+protocol ShowGuideProtocol {
+    func showShotGuide() -> FaceGuideView
+    func showUploadGuide() -> FaceGuideView
+    func showAnalyzeResultGuide() -> FaceGuideView
+}
+
+extension ShowGuideProtocol where Self: GMBaseController {
+    func showShotGuide() -> FaceGuideView {
+        let guide = FaceGuideView(frame: view.bounds)
+        view.addSubview(guide)
+        guide.show(["faceInitGuide2"])
+        GMCache.storeObject(atDocumentPathWithkey: FaceGuideView.cacheKey, object: FaceGuideView.cacheKey! as NSCoding)
+        self.navigationBar.isHidden = true
+        return guide
+    }
+
+    func showUploadGuide() -> FaceGuideView {
+        let guide = FaceGuideView(frame: view.bounds)
+        view.addSubview(guide)
+        self.navigationBar.isHidden = true
+        guide.show(["faceInitGuide3"])
+        GMCache.storeObject(atDocumentPathWithkey: FaceGuideView.cacheKey, object: FaceGuideView.cacheKey! as NSCoding)
+        return guide
+    }
+
+    func showAnalyzeResultGuide() -> FaceGuideView {
+        let guide = FaceGuideView(frame: view.bounds)
+        guide.delegate = self as? FaceGuideViewDelegate
+        view.addSubview(guide)
+        guide.show(["faceInitGuide4"])
+        self.navigationBar.isHidden = true
+        GMCache.storeObject(atDocumentPathWithkey: FaceGuideView.cacheKey, object: FaceGuideView.cacheKey! as NSCoding)
+        return guide
+    }
+}
+
+@objc protocol FaceGuideViewDelegate: class {
+    @objc optional func faceGuideDidDismiss()
+}
+
+open class FaceGuideView: GMView {
+
+    weak var delegate: FaceGuideViewDelegate?
+    fileprivate static var cacheKey: String!
+
+    //以设备来区分显示到弹不弹出引导,返回为ture表示应该弹guideView
+    static func shouldShow(_ deviceKey: String) -> Bool {
+        cacheKey = deviceKey
+        let obj = GMCache.fetchObject(atDocumentPathWithkey: deviceKey)
+        let exsit = (obj != nil)
+        return !exsit
+    }
+
+    @objc func tapImage() {
+        if let view = self.subviews.last {
+            view.removeFromSuperview()
+            if self.subviews.count == 0 {
+                removeFromSuperview()
+                #warning("TODO")
+//                if let controller = AppDelegate.visibleController as? GMBaseController {
+//                    controller.navigationBar.isHidden = false
+//                }
+
+                delegate?.faceGuideDidDismiss?()
+            }
+        }
+    }
+
+    func show(_ imageNames: [String]) {
+
+        for name in imageNames.reversed() {
+            let image = UIImage(named: name)
+            let imageView = UIImageView(image: image)
+            imageView.frame = bounds
+            addSubview(imageView)
+            if #available(iOS 11, *) {
+                imageView.contentMode = .scaleAspectFit
+            }
+            imageView.isUserInteractionEnabled = true
+            let tap = UITapGestureRecognizer(target: self, action: #selector(tapImage))
+            imageView.addGestureRecognizer(tap)
+        }
+        if #available(iOS 11, *) {
+            self.backgroundColor = UIColor.white
+        }
+    }
+}

GMAI/Classes/Util/NSMutableAttributedString+Attachment.h

+//
+//  NSMutableAttributedString+Attachment.h
+//  Gengmei
+//
+//  Created by wangyang on 2018/8/7.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface NSMutableAttributedString (Attachment)
+
+/**
+ 需求：http://wiki.wanmeizhensuo.com/pages/viewpage.action?pageId=9767058#space-menu-link-content
+ 一些卡片标题有置顶标识。
+ */
+- (void)addFeedIsTopAttachment;
+
+// 更美AI结果页加载时，弹出提示框，需要添加图片 Attachment方法封装。
+- (void)addAIPopViewAttachment;
+
+/**
+ http://wiki.wanmeizhensuo.com/pages/viewpage.action?pageId=11609153
+ */
+- (void)addDiaryMatchAttachment;
+
+/**
+ 标题前方添加标识(默认为拼团)
+ */
+- (NSAttributedString *)addGroupBuyIsFrontAttachment:(NSString *)iconName;
+
+- (NSAttributedString *)addGroupBuyIsFrontAttachment:(NSString *)iconName attachmentBounds:(CGRect)attachmentBounds;
+@end

GMAI/Classes/Util/NSMutableAttributedString+Attachment.m

+//
+//  NSMutableAttributedString+Attachment.m
+//  Gengmei
+//
+//  Created by wangyang on 2018/8/7.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "NSMutableAttributedString+Attachment.h"
+@import GMFoundation;
+
+@implementation NSMutableAttributedString (Attachment)
+- (void)addFeedIsTopAttachment {
+    NSTextAttachment* textAttachment = [[NSTextAttachment alloc] init];
+    textAttachment.image = [UIImage imageNamed:@"feed_is_top"];
+    textAttachment.bounds = CGRectMake(0, -1, 13, 13);  // 微调图片位置
+
+    NSAttributedString *imageAttachment = [NSAttributedString attributedStringWithAttachment:textAttachment];
+    // 给最后一个字符尾部添加字符水平间距，以符合设计要求：箭头与文字的间距为8个点
+    [self addAttribute:NSKernAttributeName value:@(8) range:NSMakeRange(self.string.length - 1, 1)];
+    [self insertAttributedString:imageAttachment atIndex:self.string.length];
+}
+
+- (void)addDiaryMatchAttachment {
+    NSTextAttachment* textAttachment = [[NSTextAttachment alloc] init];
+    textAttachment.image = [UIImage imageNamed:@"diary_match"];//diary_match//feed_is_top
+    textAttachment.bounds = CGRectMake(0, -2, 31, 16);  // 微调图片位置
+
+    NSAttributedString *imageAttachment = [NSAttributedString attributedStringWithAttachment:textAttachment];
+    // 给最后一个字符尾部添加字符水平间距，以符合设计要求：箭头与文字的间距为8个点
+    [self addAttribute:NSKernAttributeName value:@(8) range:NSMakeRange(self.string.length - 1, 1)];
+    [self insertAttributedString:imageAttachment atIndex:self.string.length];
+}
+
+- (NSAttributedString *)addGroupBuyIsFrontAttachment:(NSString *)iconName {
+    [self addGroupBuyIsFrontAttachment:iconName attachmentBounds:CGRectMake(0, -1, 25, 13)];
+//    [self addAttribute:NSKernAttributeName value:@(20) range:NSMakeRange(0, 1)];
+    return self;
+}
+
+- (void)addAIPopViewAttachment {
+    NSTextAttachment* textAttachment = [[NSTextAttachment alloc] init];
+    textAttachment.image = [UIImage imageNamed:@"face_skin_pop_loadingIcon"];
+    textAttachment.bounds = CGRectMake(0, -4, 66, 20);  // 微调图片位置
+    NSAttributedString *imageAttachment = [NSAttributedString attributedStringWithAttachment:textAttachment];
+    [self insertAttributedString:imageAttachment atIndex:0];
+}
+
+- (NSAttributedString *)addGroupBuyIsFrontAttachment:(NSString *)iconName attachmentBounds:(CGRect)attachmentBounds {
+    NSMutableAttributedString *textAttrStr = [[NSMutableAttributedString alloc] init];
+    NSTextAttachment* textAttachment = [[NSTextAttachment alloc] init];
+    textAttachment.image = [UIImage imageNamed:iconName.isNonEmpty ? iconName : @"groupBuy_icon"];
+    textAttachment.bounds = CGRectMake(attachmentBounds.origin.x, attachmentBounds.origin.y, attachmentBounds.size.width, attachmentBounds.size.height);  // 微调图片位置
+    
+    NSAttributedString *imageAttachment = [NSAttributedString attributedStringWithAttachment:textAttachment];
+    [textAttrStr appendAttributedString:imageAttachment];
+    //标签后添加空格
+    [textAttrStr appendAttributedString:[[NSAttributedString alloc] initWithString:@" "]];
+    // 给最后一个字符尾部添加字符水平间距，以符合设计要求：箭头与文字的间距为8个点
+    [self insertAttributedString:textAttrStr atIndex:0];
+    return self;
+}
+
+@end

GMAI/Classes/Util/UIView+Gradient.h

+//
+//  UIView+Gradient.h
+//  Gengmei
+//
+//  Created by Terminator on 2018/8/15.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface UIView (Gradient)
+@property(nullable, copy) NSArray *colors;
+@property(nullable, copy) NSArray<NSNumber *> *locations;
+@property CGPoint startPoint;
+@property CGPoint endPoint;
+
++ (UIView *_Nullable)gradientViewWithColors:(NSArray<UIColor *> *_Nullable)colors locations:(NSArray<NSNumber *> *_Nullable)locations startPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint;
+
+- (void)setGradientBackgroundWithColors:(NSArray<UIColor *> *_Nullable)colors locations:(NSArray<NSNumber *> *_Nullable)locations startPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint;
+
+/**
+ 从一个颜色变化到另一个颜色
+ 
+ @param beginColor 开始颜色
+ @param endColor 结束颜色
+ @param percent 百分比
+ */
+- (void)getColorWithColor:(UIColor *_Nullable)beginColor endColor:(UIColor *_Nullable)endColor percent:(double)percent;
+@end

GMAI/Classes/Util/UIView+Gradient.m

+//
+//  UIView+Gradient.m
+//  Gengmei
+//
+//  Created by Terminator on 2018/8/15.
+//  Copyright © 2018年 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "UIView+Gradient.h"
+#import <objc/runtime.h>
+
+@implementation UIView (Gradient)
++ (Class)layerClass {
+    return [CAGradientLayer class];
+}
+
++ (UIView *)gradientViewWithColors:(NSArray<UIColor *> *)colors locations:(NSArray<NSNumber *> *)locations startPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint {
+    UIView *view = [[self alloc] init];
+    [view setGradientBackgroundWithColors:colors locations:locations startPoint:startPoint endPoint:endPoint];
+    return view;
+}
+
+- (void)setGradientBackgroundWithColors:(NSArray<UIColor *> *)colors locations:(NSArray<NSNumber *> *)locations startPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint {
+    NSMutableArray *colorsM = [NSMutableArray array];
+    for (UIColor *color in colors) {
+        [colorsM addObject:(__bridge id)color.CGColor];
+    }
+    self.colors = [colorsM copy];
+    self.locations = locations;
+    self.startPoint = startPoint;
+    self.endPoint = endPoint;
+}
+
+- (NSArray *)getRGBDictionaryByColor:(UIColor *)originColor {
+    CGFloat r = 0,g = 0,b = 0,a = 0;
+    if ([self respondsToSelector:@selector(getRed:green:blue:alpha:)]) {
+        [originColor getRed:&r green:&g blue:&b alpha:&a];
+    } else {
+        const CGFloat *components = CGColorGetComponents(originColor.CGColor);
+        r = components[0];
+        g = components[1];
+        b = components[2];
+        a = components[3];
+    }
+    return @[@(r),@(g),@(b)];
+}
+
+- (NSArray *)transColorBeginColor:(UIColor *)beginColor andEndColor:(UIColor *)endColor {
+    NSArray<NSNumber *> *beginColorArr = [self getRGBDictionaryByColor:beginColor];
+    NSArray<NSNumber *> *endColorArr = [self getRGBDictionaryByColor:endColor];
+    return @[@([endColorArr[0] doubleValue] - [beginColorArr[0] doubleValue]),@([endColorArr[1] doubleValue] - [beginColorArr[1] doubleValue]),@([endColorArr[2] doubleValue] - [beginColorArr[2] doubleValue])];
+}
+
+- (void)getColorWithColor:(UIColor *)beginColor endColor:(UIColor *)endColor percent:(double)percent {
+    NSArray *colorArray = [self transColorBeginColor:beginColor andEndColor:endColor];
+    NSArray *beginColorArr = [self getRGBDictionaryByColor:beginColor];
+    double red = [beginColorArr[0] doubleValue] + percent * [colorArray[0] doubleValue];
+    double green = [beginColorArr[1] doubleValue]+ percent * [colorArray[1] doubleValue];
+    double blue = [beginColorArr[2] doubleValue] + percent * [colorArray[2] doubleValue];
+    self.backgroundColor = [UIColor colorWithRed:red green:green blue:blue alpha:1];
+}
+
+#pragma mark - Getter&Setter
+- (NSArray *)colors {
+    return objc_getAssociatedObject(self, _cmd);
+}
+
+- (void)setColors:(NSArray *)colors {
+    objc_setAssociatedObject(self, @selector(colors), colors, OBJC_ASSOCIATION_COPY_NONATOMIC);
+    if ([self.layer isKindOfClass:[CAGradientLayer class]]) {
+        [(CAGradientLayer*)self.layer setColors:self.colors];
+    }
+}
+
+- (NSArray<NSNumber *> *)locations {
+    return objc_getAssociatedObject(self, _cmd);
+}
+
+- (void)setLocations:(NSArray<NSNumber *> *)locations {
+    objc_setAssociatedObject(self, @selector(locations), locations, OBJC_ASSOCIATION_COPY_NONATOMIC);
+    if ([self.layer isKindOfClass:[CAGradientLayer class]]) {
+        [((CAGradientLayer *)self.layer) setLocations:self.locations];
+    }
+}
+
+- (CGPoint)startPoint {
+    return [objc_getAssociatedObject(self, _cmd) CGPointValue];
+}
+
+- (void)setStartPoint:(CGPoint)startPoint {
+    objc_setAssociatedObject(self, @selector(startPoint), [NSValue valueWithCGPoint:startPoint], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+    if ([self.layer isKindOfClass:[CAGradientLayer class]]) {
+        [((CAGradientLayer *)self.layer) setStartPoint:self.startPoint];
+    }
+}
+
+- (CGPoint)endPoint {
+    return [objc_getAssociatedObject(self, _cmd) CGPointValue];
+}
+
+- (void)setEndPoint:(CGPoint)endPoint {
+    objc_setAssociatedObject(self, @selector(endPoint), [NSValue valueWithCGPoint:endPoint], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+    if ([self.layer isKindOfClass:[CAGradientLayer class]]) {
+        [((CAGradientLayer *)self.layer) setEndPoint:self.endPoint];
+    }
+}
+@end