blinkid-react-native/recognizers/visaRecognizer.js

A small and powerful ID card scanning library. Powered by Microblink (www.microblink.com).

import { Recognizer, RecognizerResult } from '../recognizer'
import {
    Date,
    Point,
    Quadrilateral,
    MrtdDocumentType,
    MrzResult,
    DocumentFaceDetectorType,
    Country,
    Region,
    Type,
    DocumentImageColorStatus,
    DocumentImageMoireStatus,
    AnonymizationMode,
    RecognitionModeFilter,
    StrictnessLevel,
    ClassFilter,
    
    
    ImageExtensionFactors,
    DataMatchResult,
} from '../types'

/**
 * Result object for VisaRecognizer.
 */
export class VisaRecognizerResult extends RecognizerResult {
    constructor(nativeResult) {
        super(nativeResult.resultState);
        
        /**
         * face image from the document if enabled with returnFaceImage property.
         */
        this.faceImage = nativeResult.faceImage;
        
        /**
         * full document image if enabled with returnFullDocumentImage property.
         */
        this.fullDocumentImage = nativeResult.fullDocumentImage;
        
        /**
         * The data extracted from the machine readable zone.
         */
        this.mrzResult = nativeResult.mrzResult != null ? new MrzResult(nativeResult.mrzResult) : null;
        
    }
}

/**
 * Recognizer which can scan all visas with MRZ.
 */
export class VisaRecognizer extends Recognizer {
    constructor() {
        super('VisaRecognizer');
        
        /**
         * Defines if glare detection should be turned on/off.
         * 
         * 
         */
        this.detectGlare = true;
        
        /**
         * Property for setting DPI for face images
         * Valid ranges are [100,400]. Setting DPI out of valid ranges throws an exception
         * 
         * 
         */
        this.faceImageDpi = 250;
        
        /**
         * Property for setting DPI for full document images
         * Valid ranges are [100,400]. Setting DPI out of valid ranges throws an exception
         * 
         * 
         */
        this.fullDocumentImageDpi = 250;
        
        /**
         * Image extension factors for full document image.
         * 
         * @see ImageExtensionFactors
         * 
         */
        this.fullDocumentImageExtensionFactors = new ImageExtensionFactors();
        
        /**
         * Sets whether face image from ID card should be extracted
         * 
         * 
         */
        this.returnFaceImage = false;
        
        /**
         * Sets whether full document image of ID card should be extracted.
         * 
         * 
         */
        this.returnFullDocumentImage = false;
        
        this.createResultFromNative = function (nativeResult) { return new VisaRecognizerResult(nativeResult); }
    }
}