TextRecognizer
class TextRecognizer : NSObject
A text recognizer that recognizes text in an image.
-
Returns a text recognizer.
Declaration
Swift
class func textRecognizer() -> Self
Return Value
A text recognizer.
-
Unavailable. Use the class method.
-
Processes the given image for text recognition.
Declaration
Swift
func process(_ image: MLKitCompatibleImage, completion: @escaping TextRecognitionCallback)
Parameters
image
The image to process.
completion
Handler to call back on the main queue when text recognition completes.
-
Returns text results in the given image or
nil
if there was an error. The text recognition is performed synchronously on the calling thread.It is advised to call this method off the main thread to avoid blocking the UI. As a result, an
NSException
is raised if this method is called on the main thread.Declaration
Swift
func results(in image: MLKitCompatibleImage) throws -> MLKText
Parameters
image
The image to get results in.
error
An optional error parameter populated when there is an error getting results.
Return Value
Text results in the given image or
nil
if there was an error.