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✏️ /home/mien4214/public_html/absenku.mienyinyir.com/mod/assets/js/webcame/webcodecamjs.js

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/*!
 * WebCodeCamJS 2.7.0 javascript Bar code and QR code decoder 
 * Author: Tóth András
 * Web: http://atandrastoth.co.uk
 * email: atandrastoth@gmail.com
 * Licensed under the MIT license
 */
var WebCodeCamJS = function(element) {
    'use strict';
    this.Version = {
        name: 'WebCodeCamJS',
        version: '2.7.0',
        author: 'Tóth András',
    };
    var mediaDevices = window.navigator.mediaDevices;
    mediaDevices.getUserMedia = function(c) {
        return new Promise(function(y, n) {
            (window.navigator.getUserMedia || window.navigator.mozGetUserMedia || window.navigator.webkitGetUserMedia).call(navigator, c, y, n);
        });
    }
    HTMLVideoElement.prototype.streamSrc = ('srcObject' in HTMLVideoElement.prototype) ? function(stream) {
        this.srcObject = !!stream ? stream : null;
    } : function(stream) {
        if (!!stream) {
            this.src = (window.URL || window.webkitURL).createObjectURL(stream);
        } else {
            this.removeAttribute('src');
        }
    };
    var videoSelect, lastImageSrc, con, beepSound, w, h, lastCode;
    var display = Q(element),
        DecodeWorker = null,
        video = html('<video muted autoplay playsinline></video>'),
        sucessLocalDecode = false,
        localImage = false,
        flipMode = [1, 3, 6, 8],
        isStreaming = false,
        delayBool = false,
        initialized = false,
        localStream = null,
        options = {
            decodeQRCodeRate: 5,
            decodeBarCodeRate: 3,
            successTimeout: 500,
            codeRepetition: true,
            tryVertical: true,
            frameRate: 15,
            width: 320,
            height: 240,
            constraints: {
                video: {
                    mandatory: {
                        maxWidth: 1280,
                        maxHeight: 720
                    },
                    optional: [{
                        sourceId: true
                    }]
                },
                audio: false,
            },
            flipVertical: false,
            flipHorizontal: false,
            zoom: 0,
            beep: 'audio/beep.mp3',
            decoderWorker: 'js/DecoderWorker.js',
            brightness: 0,
            autoBrightnessValue: 0,
            grayScale: 0,
            contrast: 0,
            threshold: 0,
            sharpness: [],
            resultFunction: function(res) {
                console.log(res.format + ": " + res.code);
            },
            cameraSuccess: function(stream) {
                console.log('cameraSuccess');
            },
            canPlayFunction: function() {
                console.log('canPlayFunction');
            },
            getDevicesError: function(error) {
                console.log(error);
            },
            getUserMediaError: function(error) {
                console.log(error);
            },
            cameraError: function(error) {
                console.log(error);
            }
        };

function pause() {
        delayBool = true;
        const p = video.pause();
        if (p && (typeof Promise !== 'undefined') && (p instanceof Promise)) {
            p.catch(e => null);
        }
    }

function beep() {
        if (options.beep) {
            beepSound.play();
        }
    }

function cameraSuccess(stream) {
        localStream = stream;
        video.streamSrc(stream);
        options.cameraSuccess(stream);
    }

function cameraError(error) {
        options.cameraError(error);
    }

function optimalZoom() {
        return video.videoHeight / h;
    }

function getImageLightness() {
        var pixels = con.getImageData(0, 0, w, h),
            d = pixels.data,
            colorSum = 0,
            r, g, b, avg;
        for (var x = 0, len = d.length; x < len; x += 4) {
            r = d[x];
            g = d[x + 1];
            b = d[x + 2];
            avg = Math.floor((r + g + b) / 3);
            colorSum += avg;
        }
        return Math.floor(colorSum / (w * h));
    }

function brightness(pixels, adjustment) {
        adjustment = adjustment === 0 && options.autoBrightnessValue ? Number(options.autoBrightnessValue) - getImageLightness() : adjustment;
        var d = pixels.data;
        for (var i = 0; i < d.length; i += 4) {
            d[i] += adjustment;
            d[i + 1] += adjustment;
            d[i + 2] += adjustment;
        }
        return pixels;
    }

function grayScale(pixels) {
        var d = pixels.data;
        for (var i = 0; i < d.length; i += 4) {
            var r = d[i],
                g = d[i + 1],
                b = d[i + 2],
                v = 0.2126 * r + 0.7152 * g + 0.0722 * b;
            d[i] = d[i + 1] = d[i + 2] = v;
        }
        return pixels;
    }

function contrast(pixels, cont) {
        var data = pixels.data;
        var factor = (259 * (cont + 255)) / (255 * (259 - cont));
        for (var i = 0; i < data.length; i += 4) {
            data[i] = factor * (data[i] - 128) + 128;
            data[i + 1] = factor * (data[i + 1] - 128) + 128;
            data[i + 2] = factor * (data[i + 2] - 128) + 128;
        }
        return pixels;
    }

function gotSources(device) {
        if (device.kind === 'video' || device.kind === 'videoinput') {
            var face = (!device.facing || device.facing === '') ? 'unknown' : device.facing;
            var text = device.label || 'camera ' + (videoSelect.length + 1) + ' (facing: ' + face + ')';
            html('<option value="' + (device.id || device.deviceId) + '">' + text + '</option>', videoSelect);
        }
    }

function Q(el) {
        if (typeof el === 'string') {
            var els = document.querySelectorAll(el);
            return typeof els === 'undefined' ? undefined : els.length > 1 ? els : els[0];
        }
        return el;
    }

function download(filename, url) {
        var a = window.document.createElement('a'),
            bd = document.querySelector('body');
        bd.appendChild(a);
        a.setAttribute('href', url);
        a.setAttribute('download', filename);
        a.click();
        bd.removeChild(a);
    }

Batal

⬅ js 7 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📁 audio	dir	—	05/07/22 12:03	0755	📂
📜 DecoderWorker.js	js	81.2 KB	20/10/18 09:40	0644	✏️ ⬇
📜 filereader.js	js	2.1 KB	20/10/18 09:40	0644	✏️ ⬇
📜 mainjquery.js	js	7.4 KB	20/10/18 09:40	0644	✏️ ⬇
📜 qrcodelib.js	js	66.6 KB	20/10/18 09:40	0644	✏️ ⬇
📜 webcodecamjquery.js	js	20.6 KB	26/06/21 04:13	0644	✏️ ⬇
📜 webcodecamjs.js	js	21.3 KB	20/10/18 09:40	0644	✏️ ⬇

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