ocr/samples/multipage/multipage.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 multiple text-based image  *'
// and export that data to memory, using Accusoft's OCR Xpress.      *'
//****************************************************************** *'
var ocrx = require('ocr');
require('ocr-lang-eng');

params = {};
// Get command line input.
if (process.argv.length != 4) {
    console.log('********************************************************************');
    console.log('Usage:  \t\t'  + 'node multipage.js  <inputFile1> <inputFile2>');
    console.log('Example:\t\t' + 'node multipage.js  ../images/color.bmp  ../images/text.bmp');
    console.log('Run Example by default:\t' + 'node multipage.js  ../images/color.bmp  ../images/text.bmp');
    console.log('********************************************************************');
    // Set default value
    params.input  = '../images/color.bmp';
}
else {
    params.input  = process.argv[2];
}

// Initialize any licensing that needs to be set.
// ocrx.setSolutionName('<Solution name goes here>');
// ocrx.setSolutionKey(0x01234567, 0x01234567, 0x01234567, 0x01234567);

// Recognize the input images to memory.
ocrx.recognize(params, function(err, document){
    if (err) {
        console.error(err);
    }
    else {     
        params.document = document;
        if (process.argv.length != 4) {
            params.input = '../images/text.bmp';
        }
        else {
            params.input = process.argv[3];
        }
        ocrx.recognize(params, function(err, document) {
            if (err) {
                console.error(err);
            }
            else {
                console.log(' === Print out the 1st page text === ');
                console.log(document.getPages()[0].text);
                console.log('\n === Print out the 2nd page text === ');
                console.log(document.getPages()[1].text);
            }
        });
    }
});