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DSGrayscaleImageUnit

The GrayscaleImageUnit class extends the IntermediateResultUnit class and represents a grayscale image unit.

Definition

Assembly: DynamsoftCore.framework

  • Objective-C
  • Swift
  1. @interface DSGrayscaleImageUnit: DSIntermediateResultUnit
    
  2. class GrayscaleImageUnit: IntermediateResultUnit
    

Methods

Method Description
setImageData Sets the image data for the grayscale image.
getImageData Gets the image data for the grayscale image.

Inherited Methods

The following methods are inherited from class IntermediateResultUnit.

Method Description
getHashId Gets the hash ID of the unit. The hash ID is the unique identifier for the intermediate result unit.
getOriginalImageHashId Gets the hash ID of the original image associated with this unit.
getOriginalImageTag Gets the tag associated with the original image.
getType Gets the type of the intermediate result unit, defined by the enumeration IntermediateResultUnitType.
getTransformMatrix Gets the transformation matrix via DSTransformMatrixType.
clone Creates a copy of the intermediate result unit.
replace Replaces the content of the intermediate result unit.

setImageData

Sets the image data for the grayscale image.

  • Objective-C
  • Swift
  1. -(NSInteger)setImageData:(DSImageData *)imageData;
    
  2. func setImageData(_ imageData: DSImageData?) -> Int
    

Parameters

imageData: A DSImageData object as the image data of the grayscale image.

Return Value

Returns the ErrorCode if failed. Otherwise, returns 0.

getImageData

Gets the image data for the grayscale image.

  • Objective-C
  • Swift
  1. -(nullable DSImageData *)getImageData;
    
  2. func getImageData() -> DSImageData?
    

Return Value

The image data of the grayscale image.

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