ocr/samples/basic/basic.js

Accusoft OCR Xpress

// *******************************************************************'
// Copyright 1996-2018 Accusoft Corporation. All rights reserved.    *'
// This sample code is provided to Accusoft licensees "as is"        *'
// with no restrictions on use or modification. No warranty for      *'
// use of this sample code is provided by Accusoft.                  *'
//                                                                   *'
// SAMPLE PURPOSE                                                    *'
//                                                                   *'
// This sample illustrates how to read in a text-based image and     *'
// export that data to a searchable text file, using  Accusoft's     *'
// OCR Xpress.                                                       *'
//****************************************************************** *'

var ocrx = require('ocr');
require('ocr-lang-eng');
var fs = require('fs');

params = {};
params.format   = 'text';
// Get command line input.
if (process.argv.length != 4) {
    console.log('********************************************************************');
    console.log('Usage:  \t\t'  + 'node basic.js <inputFile>, <outputFile>');
    console.log('Example:\t\t' + 'node basic.js  ../images/color.bmp   ./out.txt');
    console.log('Run Example by default:\t' + 'node basic.js  ../images/color.bmp   ./out.txt');
    console.log('********************************************************************');
    // Set default value.
    params.input  = '../images/color.bmp';
    params.output = './out.txt';
}
else {
    params.input  = process.argv[2];
    params.output = process.argv[3];
}
    
// Initialize any licensing that needs to be set.
// ocrx.setSolutionName('<Solution name goes here>')
// ocrx.setSolutionKey(0x01234567, 0x01234567, 0x01234567, 0x01234567)

// Recognize the input image and output result to a text file.
ocrx.recognize(params, function(err, document) {
    if (err) {
        console.error(err);
    }
    else {        
        console.log('\n === Print out the recognized result === ');
        fs.readFile(params.output, 'utf8', function (err, data) {
            if (err) {				
                console.log(err);
				return;
            }
            console.log(data);
        });
    }
});