setAreaOfInterest method of the RTRCoreAPITextRecognitionSettings protocol

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Sets the search area on the image.

note Note: This method is available only in the extended version of the library.

- (void)setAreaOfInterest:(CGRect)areaOfInterest;

Parameters

areaOfInterest

The rectangle specifying the area of interest. Pass CGRectZero as this parameter to select the default area of interest that covers the whole frame.