@interface MLKTextRecognizer : NSObject
A text recognizer that recognizes text in an image.
Returns a text recognizer with the given options.
Concurrent usage of multiple
TextRecognizerinstances with different language options is not recommended, since it may lead to performance degradation.
+ (nonnull instancetype)textRecognizerWithOptions: (nonnull MLKCommonTextRecognizerOptions *)options;
Options for configuring the text recognizer.
An text recognizer configured with the given options.
Processes the given image for text recognition.
- (void)processImage:(nonnull id<MLKCompatibleImage>)image completion:(nonnull MLKTextRecognitionCallback)completion;
The image to process.
Handler to call back on the main queue when text recognition completes.
Returns text recognition result in the given image or
nilif 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
NSExceptionis raised if this method is called on the main thread.
- (nullable MLKText *)resultsInImage:(nonnull id<MLKCompatibleImage>)image error:(NSError *_Nullable *_Nullable)error;
The image to get results in.
An optional error parameter populated when there is an error getting results.
Text recognition result in the given image or
nilif there was an error.