KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use getExifSeg method in wpt

Best JavaScript code snippet using wpt

piexif.js

Source:piexif.js

...428        var segments,429            app1;430        if (data.slice(0, 2) == "\xff\xd8") { // JPEG431            segments = splitIntoSegments(data);432            app1 = getExifSeg(segments);433            if (app1) {434                this.tiftag = app1.slice(10);435            } else {436                this.tiftag = null;437            }438        } else if (["\x49\x49", "\x4d\x4d"].indexOf(data.slice(0, 2)) > -1) { // TIFF439            this.tiftag = data;440        } else if (data.slice(0, 4) == "Exif") { // Exif441            this.tiftag = data.slice(6);442        } else {443            throw ("Given file is neither JPEG nor TIFF.");444        }445    }446    ExifReader.prototype = {447        get_ifd: function (pointer, ifd_name) {448            var ifd_dict = {};449            var tag_count = unpack(this.endian_mark + "H",450                this.tiftag.slice(pointer, pointer + 2))[0];451            var offset = pointer + 2;452            var t;453            if (["0th", "1st"].indexOf(ifd_name) > -1) {454                t = "Image";455            } else {456                t = ifd_name;457            }458            for (var x = 0; x < tag_count; x++) {459                pointer = offset + 12 * x;460                var tag = unpack(this.endian_mark + "H",461                    this.tiftag.slice(pointer, pointer + 2))[0];462                var value_type = unpack(this.endian_mark + "H",463                    this.tiftag.slice(pointer + 2, pointer + 4))[0];464                var value_num = unpack(this.endian_mark + "L",465                    this.tiftag.slice(pointer + 4, pointer + 8))[0];466                var value = this.tiftag.slice(pointer + 8, pointer + 12);467                var v_set = [value_type, value_num, value];468                if (tag in TAGS[t]) {469                    ifd_dict[tag] = this.convert_value(v_set);470                }471            }472            if (ifd_name == "0th") {473                pointer = offset + 12 * tag_count;474                ifd_dict["first_ifd_pointer"] = this.tiftag.slice(pointer, pointer + 4);475            }476            return ifd_dict;477        },478        convert_value: function (val) {479            var data = null;480            var t = val[0];481            var length = val[1];482            var value = val[2];483            var pointer;484            if (t == 1) { // BYTE485                if (length > 4) {486                    pointer = unpack(this.endian_mark + "L", value)[0];487                    data = unpack(this.endian_mark + nStr("B", length),488                        this.tiftag.slice(pointer, pointer + length));489                } else {490                    data = unpack(this.endian_mark + nStr("B", length), value.slice(0, length));491                }492            } else if (t == 2) { // ASCII493                if (length > 4) {494                    pointer = unpack(this.endian_mark + "L", value)[0];495                    data = this.tiftag.slice(pointer, pointer + length - 1);496                } else {497                    data = value.slice(0, length - 1);498                }499            } else if (t == 3) { // SHORT500                if (length > 2) {501                    pointer = unpack(this.endian_mark + "L", value)[0];502                    data = unpack(this.endian_mark + nStr("H", length),503                        this.tiftag.slice(pointer, pointer + length * 2));504                } else {505                    data = unpack(this.endian_mark + nStr("H", length),506                        value.slice(0, length * 2));507                }508            } else if (t == 4) { // LONG509                if (length > 1) {510                    pointer = unpack(this.endian_mark + "L", value)[0];511                    data = unpack(this.endian_mark + nStr("L", length),512                        this.tiftag.slice(pointer, pointer + length * 4));513                } else {514                    data = unpack(this.endian_mark + nStr("L", length),515                        value);516                }517            } else if (t == 5) { // RATIONAL518                pointer = unpack(this.endian_mark + "L", value)[0];519                if (length > 1) {520                    data = [];521                    for (var x = 0; x < length; x++) {522                        data.push([unpack(this.endian_mark + "L",523                                this.tiftag.slice(pointer + x * 8, pointer + 4 + x * 8))[0],524                                   unpack(this.endian_mark + "L",525                                this.tiftag.slice(pointer + 4 + x * 8, pointer + 8 + x * 8))[0]526                                   ]);527                    }528                } else {529                    data = [unpack(this.endian_mark + "L",530                            this.tiftag.slice(pointer, pointer + 4))[0],531                            unpack(this.endian_mark + "L",532                            this.tiftag.slice(pointer + 4, pointer + 8))[0]533                            ];534                }535            } else if (t == 7) { // UNDEFINED BYTES536                if (length > 4) {537                    pointer = unpack(this.endian_mark + "L", value)[0];538                    data = this.tiftag.slice(pointer, pointer + length);539                } else {540                    data = value.slice(0, length);541                }542            } else if (t == 10) { // SRATIONAL543                pointer = unpack(this.endian_mark + "L", value)[0];544                if (length > 1) {545                    data = [];546                    for (var x = 0; x < length; x++) {547                        data.push([unpack(this.endian_mark + "l",548                                this.tiftag.slice(pointer + x * 8, pointer + 4 + x * 8))[0],549                                   unpack(this.endian_mark + "l",550                                this.tiftag.slice(pointer + 4 + x * 8, pointer + 8 + x * 8))[0]551                                  ]);552                    }553                } else {554                    data = [unpack(this.endian_mark + "l",555                            this.tiftag.slice(pointer, pointer + 4))[0],556                            unpack(this.endian_mark + "l",557                            this.tiftag.slice(pointer + 4, pointer + 8))[0]558                           ];559                }560            } else {561                throw ("Exif might be wrong. Got incorrect value " +562                    "type to decode. type:" + t);563            }564            if ((data instanceof Array) && (data.length == 1)) {565                return data[0];566            } else {567                return data;568            }569        },570    };571    if (typeof window !== "undefined" && typeof window.btoa === "function") {572        var btoa = window.btoa;573    }574    if (typeof btoa === "undefined") {575        var btoa = function (input) {        var output = "";576            var chr1, chr2, chr3, enc1, enc2, enc3, enc4;577            var i = 0;578            var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";579            while (i < input.length) {580                chr1 = input.charCodeAt(i++);581                chr2 = input.charCodeAt(i++);582                chr3 = input.charCodeAt(i++);583                enc1 = chr1 >> 2;584                enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);585                enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);586                enc4 = chr3 & 63;587                if (isNaN(chr2)) {588                    enc3 = enc4 = 64;589                } else if (isNaN(chr3)) {590                    enc4 = 64;591                }592                output = output +593                keyStr.charAt(enc1) + keyStr.charAt(enc2) +594                keyStr.charAt(enc3) + keyStr.charAt(enc4);595            }596            return output;597        };598    }599    600    601    if (typeof window !== "undefined" && typeof window.atob === "function") {602        var atob = window.atob;603    }604    if (typeof atob === "undefined") {605        var atob = function (input) {606            var output = "";607            var chr1, chr2, chr3;608            var enc1, enc2, enc3, enc4;609            var i = 0;610            var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";611            input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");612            while (i < input.length) {613                enc1 = keyStr.indexOf(input.charAt(i++));614                enc2 = keyStr.indexOf(input.charAt(i++));615                enc3 = keyStr.indexOf(input.charAt(i++));616                enc4 = keyStr.indexOf(input.charAt(i++));617                chr1 = (enc1 << 2) | (enc2 >> 4);618                chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);619                chr3 = ((enc3 & 3) << 6) | enc4;620                output = output + String.fromCharCode(chr1);621                if (enc3 != 64) {622                    output = output + String.fromCharCode(chr2);623                }624                if (enc4 != 64) {625                    output = output + String.fromCharCode(chr3);626                }627            }628            return output;629        };630    }631    function getImageSize(imageArray) {632        var segments = slice2Segments(imageArray);633        var seg,634            width,635            height,636            SOF = [192, 193, 194, 195, 197, 198, 199, 201, 202, 203, 205, 206, 207];637        for (var x = 0; x < segments.length; x++) {638            seg = segments[x];639            if (SOF.indexOf(seg[1]) >= 0) {640                height = seg[5] * 256 + seg[6];641                width = seg[7] * 256 + seg[8];642                break;643            }644        }645        return [width, height];646    }647    function pack(mark, array) {648        if (!(array instanceof Array)) {649            throw ("'pack' error. Got invalid type argument.");650        }651        if ((mark.length - 1) != array.length) {652            throw ("'pack' error. " + (mark.length - 1) + " marks, " + array.length + " elements.");653        }654        var littleEndian;655        if (mark[0] == "<") {656            littleEndian = true;657        } else if (mark[0] == ">") {658            littleEndian = false;659        } else {660            throw ("");661        }662        var packed = "";663        var p = 1;664        var val = null;665        var c = null;666        var valStr = null;667        while (c = mark[p]) {668            if (c.toLowerCase() == "b") {669                val = array[p - 1];670                if ((c == "b") && (val < 0)) {671                    val += 0x100;672                }673                if ((val > 0xff) || (val < 0)) {674                    throw ("'pack' error.");675                } else {676                    valStr = String.fromCharCode(val);677                }678            } else if (c == "H") {679                val = array[p - 1];680                if ((val > 0xffff) || (val < 0)) {681                    throw ("'pack' error.");682                } else {683                    valStr = String.fromCharCode(Math.floor((val % 0x10000) / 0x100)) +684                        String.fromCharCode(val % 0x100);685                    if (littleEndian) {686                        valStr = valStr.split("").reverse().join("");687                    }688                }689            } else if (c.toLowerCase() == "l") {690                val = array[p - 1];691                if ((c == "l") && (val < 0)) {692                    val += 0x100000000;693                }694                if ((val > 0xffffffff) || (val < 0)) {695                    throw ("'pack' error.");696                } else {697                    valStr = String.fromCharCode(Math.floor(val / 0x1000000)) +698                        String.fromCharCode(Math.floor((val % 0x1000000) / 0x10000)) +699                        String.fromCharCode(Math.floor((val % 0x10000) / 0x100)) +700                        String.fromCharCode(val % 0x100);701                    if (littleEndian) {702                        valStr = valStr.split("").reverse().join("");703                    }704                }705            } else {706                throw ("'pack' error.");707            }708            packed += valStr;709            p += 1;710        }711        return packed;712    }713    function unpack(mark, str) {714        if (typeof (str) != "string") {715            throw ("'unpack' error. Got invalid type argument.");716        }717        var l = 0;718        for (var markPointer = 1; markPointer < mark.length; markPointer++) {719            if (mark[markPointer].toLowerCase() == "b") {720                l += 1;721            } else if (mark[markPointer].toLowerCase() == "h") {722                l += 2;723            } else if (mark[markPointer].toLowerCase() == "l") {724                l += 4;725            } else {726                throw ("'unpack' error. Got invalid mark.");727            }728        }729        if (l != str.length) {730            throw ("'unpack' error. Mismatch between symbol and string length. " + l + ":" + str.length);731        }732        var littleEndian;733        if (mark[0] == "<") {734            littleEndian = true;735        } else if (mark[0] == ">") {736            littleEndian = false;737        } else {738            throw ("'unpack' error.");739        }740        var unpacked = [];741        var strPointer = 0;742        var p = 1;743        var val = null;744        var c = null;745        var length = null;746        var sliced = "";747        while (c = mark[p]) {748            if (c.toLowerCase() == "b") {749                length = 1;750                sliced = str.slice(strPointer, strPointer + length);751                val = sliced.charCodeAt(0);752                if ((c == "b") && (val >= 0x80)) {753                    val -= 0x100;754                }755            } else if (c == "H") {756                length = 2;757                sliced = str.slice(strPointer, strPointer + length);758                if (littleEndian) {759                    sliced = sliced.split("").reverse().join("");760                }761                val = sliced.charCodeAt(0) * 0x100 +762                    sliced.charCodeAt(1);763            } else if (c.toLowerCase() == "l") {764                length = 4;765                sliced = str.slice(strPointer, strPointer + length);766                if (littleEndian) {767                    sliced = sliced.split("").reverse().join("");768                }769                val = sliced.charCodeAt(0) * 0x1000000 +770                    sliced.charCodeAt(1) * 0x10000 +771                    sliced.charCodeAt(2) * 0x100 +772                    sliced.charCodeAt(3);773                if ((c == "l") && (val >= 0x80000000)) {774                    val -= 0x100000000;775                }776            } else {777                throw ("'unpack' error. " + c);778            }779            unpacked.push(val);780            strPointer += length;781            p += 1;782        }783        return unpacked;784    }785    function nStr(ch, num) {786        var str = "";787        for (var i = 0; i < num; i++) {788            str += ch;789        }790        return str;791    }792    function splitIntoSegments(data) {793        if (data.slice(0, 2) != "\xff\xd8") {794            throw ("Given data isn't JPEG.");795        }796        var head = 2;797        var segments = ["\xff\xd8"];798        while (true) {799            if (data.slice(head, head + 2) == "\xff\xda") {800                segments.push(data.slice(head));801                break;802            } else {803                var length = unpack(">H", data.slice(head + 2, head + 4))[0];804                var endPoint = head + length + 2;805                segments.push(data.slice(head, endPoint));806                head = endPoint;807            }808            if (head >= data.length) {809                throw ("Wrong JPEG data.");810            }811        }812        return segments;813    }814    function getExifSeg(segments) {815        var seg;816        for (var i = 0; i < segments.length; i++) {817            seg = segments[i];818            if (seg.slice(0, 2) == "\xff\xe1" &&819                   seg.slice(4, 10) == "Exif\x00\x00") {820                return seg;821            }822        }823        return null;824    }825    function mergeSegments(segments, exif) {826        827        if (segments[1].slice(0, 2) == "\xff\xe0" &&828            (segments[2].slice(0, 2) == "\xff\xe1" &&...

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var path = require('path');4var file = path.join(__dirname, 'test.jpg');5var exif = wptools.getExifSeg(file);6fs.writeFileSync("test.json", JSON.stringify(exif, null, 2));7{8  "scripts": {9  },10  "dependencies": {11  }12}13{14  "dependencies": {15    "wptools": {

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var options = {4};5var wp = new wptools.page('File:Koala.jpg', options);6wp.getExifSeg(function(err, result) {7  if (err) {8    console.log(err);9    return;10  }11  fs.writeFile('exif.json', JSON.stringify(result, null, 2), function(err) {12    if (err) {13      console.log(err);14    } else {15      console.log('exif.json saved.');16    }17  });18});19{

Using AI Code Generation

1var wptools = require('wp-tools');2wptools.getExifSeg('./test.jpg', function(err, exif) {3    if (err) {4        console.log(err);5    }6    console.log(exif);7});8{ '0th': 9   { ImageWidth: 1024,

Using AI Code Generation

1var wptools = require('wptools');2var wp = wptools.page('Albert Einstein');3wp.getExifSeg(function(err, exif) {4  if (err) {5    console.log('Error: ' + err);6  } else {7    console.log(exif);8  }9});10var wptools = require('wptools');11var wp = wptools.page('Albert Einstein');12wp.getExifSeg(function(err, exif) {13  if (err) {14    console.log('Error: ' + err);15  } else {16    console.log(exif);17  }18});19var wptools = require('wptools');20var wp = wptools.page('Albert Einstein');21wp.getExifSeg(function(err, exif) {22  if (err) {23    console.log('Error: ' + err);24  } else {25    console.log(exif);26  }27});28var wptools = require('wptools');29var wp = wptools.page('Albert Einstein');30wp.getExifSeg(function(err, exif) {31  if (err) {32    console.log('Error: ' + err);33  } else {34    console.log(exif);35  }36});37var wptools = require('wptools');38var wp = wptools.page('Albert Einstein');39wp.getExifSeg(function(err, exif) {40  if (err) {41    console.log('Error: ' + err);42  } else {43    console.log(exif);44  }45});46var wptools = require('wptools');47var wp = wptools.page('Albert Einstein');48wp.getExifSeg(function(err, exif) {49  if (err) {50    console.log('Error: ' + err);51  } else {52    console.log(exif);53  }54});55var wptools = require('wptools');56var wp = wptools.page('Albert Einstein');57wp.getExifSeg(function(err, exif) {

Using AI Code Generation

1var wpt = require('wpt');2var exif = wpt.getExifSeg('test.jpg');3console.log(exif);4var wpt = require('wpt');5var exif = wpt.getExifSeg('test.jpg');6console.log(exif);

Using AI Code Generation

1var wptools = require('wptools');2  if(err){3    console.log(err);4  }else{5    console.log(exif);6  }7});8var wptools = require('wptools');9  if(err){10    console.log(err);11  }else{12    console.log(exif);13  }14});15var wptools = require('wptools');16  if(err){17    console.log(err);18  }else{19    console.log(exif);20  }21});22var wptools = require('wptools');23  if(err){24    console.log(err);25  }else{26    console.log(exif);27  }28});29var wptools = require('wptools');30  if(err){31    console.log(err);32  }else{33    console.log(exif);34  }35});36var wptools = require('wptools');

Using AI Code Generation

1var file = process.argv[2];2var wptools = require('./wptools.js');3var exif = wptools.getExifSeg(file);4console.log(exif);5console.log(wptools.exifToExifTool(exif));6console.log(wptools.exifToExifTool(exif, true));7console.log(wptools.exifToExifTool(exif, false, true));8console.log(wptools.exifToExifTool(exif, true, false));9console.log(wptools.exifToExifTool(exif, true, true));10console.log(wptools.exifToExifTool(exif, false, false));11console.log(wptools.exifToExifTool(exif, false, true));12console.log(wptools.exifToExifTool(exif, true, false));13console.log(wptools.exifToExifTool(exif, true, true));14console.log(wptools.exifToExifTool(exif, false, false));15console.log(wptools.exifToExifTool(exif

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.