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FirebaseMLVision Framework Reference

FIRVisionDocumentTextBlock


@interface FIRVisionDocumentTextBlock : NSObject

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

  • The detected block type.

    Declaration

    Objective-C

    @property (nonatomic, readonly) FIRVisionDocumentTextBlockType type;

  • String representation of the document text block that was recognized.

    Declaration

    Objective-C

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

  • An array of paragraphs in the block if the type is VisionDocumentTextBlockType.text. Otherwise, the array is empty.

    Declaration

    Objective-C

    @property (nonatomic, readonly) NSArray<FIRVisionDocumentTextParagraph *> *_Nonnull paragraphs;

  • The rectangle that contains the document text block relative to the image in the default coordinate space.

    Declaration

    Objective-C

    @property (nonatomic, readonly) CGRect frame;

  • The confidence of the recognized document text block.

    Declaration

    Objective-C

    @property (nonatomic, readonly) NSNumber *_Nonnull confidence;

  • An array of recognized languages in the document text block. If no languages are recognized, the array is empty.

    Declaration

    Objective-C

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

  • The recognized start or end of the document text block.

    Declaration

    Objective-C

    @property (nonatomic, readonly, nullable) FIRVisionTextRecognizedBreak *recognizedBreak;

  • Unavailable.

    Declaration

    Objective-C

    - (nonnull instancetype)init;