function processFile(blob, fileName) {
        loadScriptPromise('https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js').then(function() {
            var reader = new FileReader();
            reader.onload = function(e) {
                var svgText = e.target.result;
                var img = new Image();
                img.onload = function() {
                    var w = img.naturalWidth || img.width || 800;
                    var h = img.naturalHeight || img.height || 600;
                    var canvas = document.createElement('canvas');
                    canvas.width = w; canvas.height = h;
                    var ctx = canvas.getContext('2d');
                    ctx.fillStyle = '#ffffff'; ctx.fillRect(0, 0, w, h);
                    ctx.drawImage(img, 0, 0);
                    var dataUrl = canvas.toDataURL('image/png');
                    var jspdfNs = window.jspdf || window.jsPDF;
                    var JsPDFCtor = (jspdfNs && jspdfNs.jsPDF) ? jspdfNs.jsPDF : jspdfNs;
                    var orientation = w >= h ? 'l' : 'p';
                    var pdf = new JsPDFCtor({ orientation: orientation, unit: 'pt', format: [w, h] });
                    pdf.addImage(dataUrl, 'PNG', 0, 0, w, h);
                    var outBlob = pdf.output('blob');
                    add_file_output(URL.createObjectURL(outBlob), fileName.replace(/\.[^.]+$/, '.pdf'));
                };
                img.onerror = function() { alert('Could not render this SVG file.'); };
                var svgBlob = new Blob([svgText], { type: 'image/svg+xml;charset=utf-8' });
                img.src = URL.createObjectURL(svgBlob);
            };
            reader.readAsText(blob);
        }).catch(function() { alert('Could not load the PDF library.'); });
    }







var _loadedScripts = {};
function loadScriptPromise(url) {
    if (_loadedScripts[url]) return _loadedScripts[url];
    _loadedScripts[url] = new Promise(function (resolve, reject) {
        var s = document.createElement('script');
        s.src = url;
        s.onload = resolve;
        s.onerror = reject;
        document.head.appendChild(s);
    });
    return _loadedScripts[url];
}

function replaceAll(find, replace, str) {
    return str.replace(new RegExp(find, 'g'), replace);
}

function beautify(str) {


    var result = '';

    var length = str.length;

    var i = 0;

    var braceCountLeft = 0;
    var braceCountRight = 0;

    var withinQuotes = false;

    while (i < length) {

        var c = str[i];

        if (c == '"' && (i == 0 || c[i - 1] != '\\')) {
            // non-escaped quotes
            withinQuotes = !withinQuotes;
        }

        if (!withinQuotes && (c == '}' || c == '{' || c == ',')) {

            console.log('Start####' + result);

            // look back and remove carriage returns and whitespace that are already there

            var resultIndex = result.length - 1;
            while (resultIndex >= 0 && (result[resultIndex] == ' ' || result[resultIndex] == '\r' || result[resultIndex] == '\n' || result[resultIndex] == '\t')) {

                resultIndex = resultIndex - 1;
                result = result.substr(0, resultIndex + 1);

                console.log('char ' + result[resultIndex] + '-----' + result + 'zzz ' + result.length + ' ' + resultIndex);

            }


            if (c == '{') {
                braceCountLeft++;
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            } else if (c == '}') {
                braceCountRight++;
                // precede with carriage return
                result += '\r' + GetTabs(braceCountLeft - braceCountRight) + c;
            } else if (c == ',') {
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            }

            var nextChar = '';

            // advance through whitespace and remove carriage returns that are already there
            while (i < length && (str[i + 1] == ' ' || str[i + 1] == '\r' || str[i + 1] == '\n' || str[i + 1] == '\t')) {
                i++;
            }

        } else {

            result += str[i];

        }


        i++;

    }

    return result;

}

function GetTabs(count) {

    var result = '';

    for (var i = 0; i < count; i++) {
        result += '    ';
    }

    return result;

}