Type Definitions Reference


                    
                    
                    SBSDKImageProcessingHandler

This type of block takes a source or input UIImage and a pointer to an NSError object, processes the image and returns the processed image. In case of an error the error pointer is populated.

Declaration

Objective-C

typedef UIImage *_Nullable (^SBSDKImageProcessingHandler)(
    UIImage *_Nonnull, NSError *_Nullable *_Nullable)

Swift

typealias SBSDKImageProcessingHandler = (UIImage, NSErrorPointer) -> UIImage?

Parameters

`sourceImage`	The input image.
`outError`	In case of an error this NSError pointer should be filled with an appropriate NSError.

Return Value

The output image.


                    
                    
                    SBSDKProgessUpdateHandler

A block type used on informing observers about progress updating.

Declaration

Objective-C

typedef void (^SBSDKProgessUpdateHandler)(SBSDKProgress *_Nonnull)

Swift

typealias SBSDKProgessUpdateHandler = (SBSDKProgress) -> Void

Parameters


                                progress

The progress object that called the update handler.


                    
                    
                    SBSDKCompletionHandler

The type of the completion block that each asynchronous ScanbotSDK operation call upon completion.

Declaration

Objective-C

typedef void (^SBSDKCompletionHandler)(int, int *_Nullable, int)

Swift

typealias SBSDKCompletionHandler = (Int32, UnsafeMutablePointer<Int32>?, Int32) -> Void

Parameters

`finished`	YES, if the operation was finished succesfully. NO, if the operation failed or was cancelled.
`error`	An error describing the reason for an unsuccessful operation.
`resultInfo`	A dictionary containing the results


                    
                    
                    SBSDKUIScanPagePostProcessingHandler

A block to post-process an ‘SBSDKUIPage’.

Declaration

Objective-C

typedef void (^SBSDKUIScanPagePostProcessingHandler)(SBSDKUIPage *_Nonnull)

Swift

typealias SBSDKUIScanPagePostProcessingHandler = (SBSDKUIPage) -> Void


                    
                    
                    SBSDKUIWorkflowValidationHandler

A block type to validate the results of all steps in a workflow.

Declaration

Objective-C

typedef NSError *_Nullable (^SBSDKUIWorkflowValidationHandler)(
    NSArray<SBSDKUIWorkflowStepResult *> *_Nonnull)

Swift

typealias SBSDKUIWorkflowValidationHandler = ([SBSDKUIWorkflowStepResult]) -> Error?


                    
                    
                    SBSDKUIWorkflowStepValidationHandler

A block to validate the result of a workflow step. Return an error if your validation fails, otherwise return nil.

Declaration

Objective-C

typedef NSError *_Nullable (^SBSDKUIWorkflowStepValidationHandler)(
    SBSDKUIWorkflowStepResult *_Nonnull)

Swift

typealias SBSDKUIWorkflowStepValidationHandler = (SBSDKUIWorkflowStepResult) -> Error?


                    
                    
                    SBSDKLicenseFailureHandler

Typealias for license failure handling block. *

Declaration

Objective-C

typedef void (^SBSDKLicenseFailureHandler)(dooFeature)

Swift

typealias SBSDKLicenseFailureHandler = (dooFeature) -> Void