MLKitTextRecognitionCommon Framework Reference

AI-generated Key Takeaways

• MLKTextBlock represents a recognized text block from an image, containing an array of text lines.

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

• The frame property defines the block's location and size within the image's coordinate space.

• recognizedLanguages offers information about the detected languages within the text block.

• Corner points of the text block are accessible via the cornerPoints property, useful for spatial understanding.

MLKTextBlock

@interface MLKTextBlock : NSObject

A text block recognized in an image that consists of an array of text lines.

• text

  String representation of the text block that was recognized.

  Declaration

  Objective-C

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

• lines

  An array of text lines that make up the block.

  Declaration

  Objective-C

  @property (nonatomic, readonly) NSArray<MLKTextLine *> *_Nonnull lines;

• frame

  The rectangle that contains the text block 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 block. 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 block 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;