FWImageCropControllerDelegate

@protocol FWImageCropControllerDelegate <NSObject>

裁剪控制器事件代理协议

  • Called when the user has committed the crop action, and provides just the cropping rectangle.

    Declaration

    Objective-C

    - (void)cropController:(nonnull FWImageCropController *)cropController
    didCropImageToRect:(CGRect)cropRect
                 angle:(NSInteger)angle;

    Parameters

    cropRect

    A rectangle indicating the crop region of the image the user chose (In the original image’s local co-ordinate space)
    angle

    The angle of the image when it was cropped

  • Called when the user has committed the crop action, and provides both the original image with crop co-ordinates.

    Declaration

    Objective-C

    - (void)cropController:(nonnull FWImageCropController *)cropController
        didCropToImage:(nonnull UIImage *)image
              withRect:(CGRect)cropRect
                 angle:(NSInteger)angle;

    Parameters

    image

    The newly cropped image.
    cropRect

    A rectangle indicating the crop region of the image the user chose (In the original image’s local co-ordinate space)
    angle

    The angle of the image when it was cropped

  • If the cropping style is set to circular, implementing this delegate will return a circle-cropped version of the selected image, as well as it’s cropping co-ordinates

    Declaration

    Objective-C

    - (void)cropController:(nonnull FWImageCropController *)cropController
    didCropToCircularImage:(nonnull UIImage *)image
                  withRect:(CGRect)cropRect
                     angle:(NSInteger)angle;

    Parameters

    image

    The newly cropped image, clipped to a circle shape
    cropRect

    A rectangle indicating the crop region of the image the user chose (In the original image’s local co-ordinate space)
    angle

    The angle of the image when it was cropped

  • If implemented, when the user hits cancel, or completes a UIActivityViewController operation, this delegate will be called, giving you a chance to manually dismiss the view controller

    Declaration

    Objective-C

    - (void)cropController:(nonnull FWImageCropController *)cropController
    didFinishCancelled:(BOOL)cancelled;

    Parameters

    cancelled

    Whether a cropping action was actually performed, or if the user explicitly hit ‘Cancel’