MLKitTextRecognitionCommon Framework Reference

AI-generated Key Takeaways

• MLKTextLine represents a line of recognized text within an image and includes an array of text elements.

• It provides access to the text content, individual elements, bounding box, recognized languages, and corner points of the line.

• The frame property indicates the location and size of the text line within the image's coordinate system.

• Corner points are provided in clockwise order, starting from the top-left, enabling precise localization.

MLKTextLine

@interface MLKTextLine : NSObject

A text line recognized in an image that consists of an array of elements.

• text

  String representation of the text line that was recognized.

  Declaration

  Objective-C

  @property (nonatomic, readonly) NSString *_Nonnull text;

• elements

  An array of text elements that make up the line.

  Declaration

  Objective-C

  @property (nonatomic, readonly) NSArray<MLKTextElement *> *_Nonnull elements;

• frame

  The rectangle that contains the text line relative to the image in the default coordinate space.

  Declaration

  Objective-C

  @property (nonatomic, readonly) CGRect frame;

• recognizedLanguages

  An array of recognized languages in the text line. If no languages were recognized, the array is empty.

  Declaration

  Objective-C

  @property (nonatomic, readonly) NSArray<MLKTextRecognizedLanguage *> *_Nonnull recognizedLanguages;

• cornerPoints

  The four corner points of the text line in clockwise order starting with the top left point relative to the image in the default coordinate space. The NSValue objects are CGPoints.

  Declaration

  Objective-C

  @property (nonatomic, readonly) NSArray<NSValue *> *_Nonnull cornerPoints;

• -init

  Unavailable.

  Declaration

  Objective-C

  - (nonnull instancetype)init;