UIImage(FWApplication)

@interface UIImage (FWApplication)

注意CGContextDrawImage如果图片尺寸太大会导致内存不足闪退(如高斯模糊效果)，建议先压缩再调用

Color

  • Undocumented

    Declaration

    Objective-C

    @property (nonatomic, readonly, nullable) UIImage *fw_grayImage

  • Undocumented

    Declaration

    Objective-C

    - (nullable UIColor *)fw_colorAtPoint:(CGPoint)point NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    - (nullable UIColor *)fw_colorAtPixel:(CGPoint)point NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    @property (nonatomic, readonly) UIColor *fw_averageColor

Effect

  • Undocumented

    Declaration

    Objective-C

    - (nullable UIImage *)fw_imageWithReflectScale:(CGFloat)scale NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    - (nullable UIImage *)fw_imageWithReflectScale:(CGFloat)scale gap:(CGFloat)gap alpha:(CGFloat)alpha NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    - (nullable UIImage *)fw_imageWithShadowColor:(UIColor *)color offset:(CGSize)offset blur:(CGFloat)blur NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    @property (nonatomic, readonly) UIImage *fw_maskImage

  • Undocumented

    Declaration

    Objective-C

    - (nullable UIImage *)fw_imageWithBlurRadius:(CGFloat)blurRadius saturationDelta:(CGFloat)saturationDelta tintColor:(nullable UIColor *)tintColor maskImage:(nullable UIImage *)maskImage NS_REFINED_FOR_SWIFT;

Alpha

  • Undocumented

    Declaration

    Objective-C

    @property (nonatomic, readonly) UIImage *fw_alphaImage

View

  • Undocumented

    Declaration

    Objective-C

    + (nullable UIImage *)fw_imageWithView:(UIView *)view limitWidth:(CGFloat)limitWidth NS_REFINED_FOR_SWIFT;

Icon

  • Undocumented

    Declaration

    Objective-C

    + (nullable UIImage *)fw_imageWithAppIcon NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    + (nullable UIImage *)fw_imageWithAppIcon:(CGSize)size NS_REFINED_FOR_SWIFT;

Pdf

  • Undocumented

    Declaration

    Objective-C

    + (nullable UIImage *)fw_imageWithPdf:(id)path NS_REFINED_FOR_SWIFT;

  • Undocumented

    Declaration

    Objective-C

    + (nullable UIImage *)fw_imageWithPdf:(id)path size:(CGSize)size NS_REFINED_FOR_SWIFT;

Emoji

  • Undocumented

    Declaration

    Objective-C

    + (nullable UIImage *)fw_imageWithEmoji:(NSString *)emoji size:(CGFloat)size NS_REFINED_FOR_SWIFT;

Gradient

  • 创建渐变颜色UIImage，支持四个方向，默认向下Down

    Declaration

    Objective-C

    + (nullable UIImage *)
    fw_gradientImageWithSize:(CGSize)size
                      colors:(nonnull NSArray *)colors
                   locations:(nullable const CGFloat *)locations
                   direction:(UISwipeGestureRecognizerDirection)direction;

    Parameters

    size

    图片大小
    colors

    渐变颜色，CGColor数组，如：@[(bridge id)[UIColor redColor].CGColor, (bridge id)[UIColor blueColor].CGColor]
    locations

    渐变位置，传NULL时均分，如：CGFloat locations[] = {0.0, 1.0};
    direction

    渐变方向，自动计算startPoint和endPoint，支持四个方向，默认向下Down

    Return Value

    渐变颜色UIImage

  • 创建渐变颜色UIImage

    Declaration

    Objective-C

    + (nullable UIImage *)fw_gradientImageWithSize:(CGSize)size
                                        colors:(nonnull NSArray *)colors
                                     locations:
                                         (nullable const CGFloat *)locations
                                    startPoint:(CGPoint)startPoint
                                      endPoint:(CGPoint)endPoint;

    Parameters

    size

    图片大小
    colors

    渐变颜色，CGColor数组，如：@[(bridge id)[UIColor redColor].CGColor, (bridge id)[UIColor blueColor].CGColor]
    locations

    渐变位置，传NULL时均分，如：CGFloat locations[] = {0.0, 1.0};
    startPoint

    渐变开始点，需要根据rect计算
    endPoint

    渐变结束点，需要根据rect计算

    Return Value

    渐变颜色UIImage