CAGradientLayer(FWQuartzCore)

@interface CAGradientLayer (FWQuartzCore)

/// 设置主题渐变色，启用主题订阅后可跟随系统改变，清空时需置为nil
@property (nullable, nonatomic, copy) NSArray<UIColor *> *fw_themeColors NS_REFINED_FOR_SWIFT;

/**
 *  创建渐变层，需手工addLayer
 *
 *  @param frame      渐变区域
 *  @param colors     渐变颜色，CGColor数组，如[黑，白，黑]
 *  @param locations  渐变位置，0~1，如[0.25, 0.5, 0.75]对应颜色为[0-0.25黑,0.25-0.5黑渐变白,0.5-0.75白渐变黑,0.75-1黑]
 *  @param startPoint 渐变开始点，设置渐变方向，左上点为(0,0)，右下点为(1,1)
 *  @param endPoint   渐变结束点
 *  @return 渐变Layer
 */
+ (CAGradientLayer *)fw_gradientLayer:(CGRect)frame
                              colors:(NSArray *)colors
                           locations:(nullable NSArray<NSNumber *> *)locations
                          startPoint:(CGPoint)startPoint
                            endPoint:(CGPoint)endPoint NS_REFINED_FOR_SWIFT;

@end

Undocumented

fw_themeColors
设置主题渐变色，启用主题订阅后可跟随系统改变，清空时需置为nil
Declaration
Objective-C

@property (nonatomic, copy, nullable) NSArray<UIColor *> *fw_themeColors;




+fw_gradientLayer:colors:locations:startPoint:endPoint:

创建渐变层，需手工addLayer

Declaration

Objective-C

+ (nonnull CAGradientLayer *)
    fw_gradientLayer:(CGRect)frame
              colors:(nonnull NSArray *)colors
           locations:(nullable NSArray<NSNumber *> *)locations
          startPoint:(CGPoint)startPoint
            endPoint:(CGPoint)endPoint;

Parameters

`frame`	渐变区域
`colors`	渐变颜色，CGColor数组，如[黑，白，黑]
`locations`	渐变位置，0~1，如[0.25, 0.5, 0.75]对应颜色为[0-0.25黑,0.25-0.5黑渐变白,0.5-0.75白渐变黑,0.75-1黑]
`startPoint`	渐变开始点，设置渐变方向，左上点为(0,0)，右下点为(1,1)
`endPoint`	渐变结束点

Return Value

渐变Layer