From 8e3e75864ce5fc8ef0317d3cfb6e2af8a6de6a81 Mon Sep 17 00:00:00 2001 From: Daniel Supernault Date: Sat, 12 Dec 2020 22:54:11 -0700 Subject: [PATCH] Update ComposeModal, fix filter bug on safari --- resources/assets/js/app.js | 1 + .../assets/js/components/ComposeModal.vue | 9 +- resources/assets/js/polyfill.js | 810 ++++++++++++++++++ 3 files changed, 818 insertions(+), 2 deletions(-) create mode 100644 resources/assets/js/polyfill.js diff --git a/resources/assets/js/app.js b/resources/assets/js/app.js index dbfc5e607..9ca23ef5b 100644 --- a/resources/assets/js/app.js +++ b/resources/assets/js/app.js @@ -1,3 +1,4 @@ +require('./polyfill'); window._ = require('lodash'); window.Popper = require('popper.js').default; window.pixelfed = window.pixelfed || {}; diff --git a/resources/assets/js/components/ComposeModal.vue b/resources/assets/js/components/ComposeModal.vue index 72ed91e81..a6194f37f 100644 --- a/resources/assets/js/components/ComposeModal.vue +++ b/resources/assets/js/components/ComposeModal.vue @@ -996,6 +996,11 @@ export default { applyFilterToMedia() { // this is where the magic happens + var ua = navigator.userAgent.toLowerCase(); + if(ua.indexOf('firefox') == -1 && ua.indexOf('chrome') == -1) { + // swal('Oops!', 'Your browser does not support the filter feature. Please use Chrome or Firefox if you want to apply a filter.', 'error'); + return; + } let medias = this.media; let media = null; @@ -1021,8 +1026,8 @@ export default { axios.post('/api/local/compose/media/update/'+media.id, data).then(res => { }).catch(err => { }); - }, media.mime, 0.9); - }); + }); + }, media.mime, 0.9); ctx.clearRect(0, 0, image.width, image.height); } } diff --git a/resources/assets/js/polyfill.js b/resources/assets/js/polyfill.js new file mode 100644 index 000000000..c722068f5 --- /dev/null +++ b/resources/assets/js/polyfill.js @@ -0,0 +1,810 @@ +/* Blob.js + * A Blob, File, FileReader & URL implementation. + * 2019-04-19 + * + * By Eli Grey, http://eligrey.com + * By Jimmy Wärting, https://github.com/jimmywarting + * License: MIT + * See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md + */ + +;(function () { + var global = typeof window === 'object' + ? window : typeof self === 'object' + ? self : this + + var BlobBuilder = global.BlobBuilder + || global.WebKitBlobBuilder + || global.MSBlobBuilder + || global.MozBlobBuilder + + global.URL = global.URL || global.webkitURL || function (href, a) { + a = document.createElement('a') + a.href = href + return a + } + + var origBlob = global.Blob + var createObjectURL = URL.createObjectURL + var revokeObjectURL = URL.revokeObjectURL + var strTag = global.Symbol && global.Symbol.toStringTag + var blobSupported = false + var blobSupportsArrayBufferView = false + var arrayBufferSupported = !!global.ArrayBuffer + var blobBuilderSupported = BlobBuilder + && BlobBuilder.prototype.append + && BlobBuilder.prototype.getBlob + + try { + // Check if Blob constructor is supported + blobSupported = new Blob(['ä']).size === 2 + + // Check if Blob constructor supports ArrayBufferViews + // Fails in Safari 6, so we need to map to ArrayBuffers there. + blobSupportsArrayBufferView = new Blob([new Uint8Array([1, 2])]).size === 2 + } catch (e) {} + + /** + * Helper function that maps ArrayBufferViews to ArrayBuffers + * Used by BlobBuilder constructor and old browsers that didn't + * support it in the Blob constructor. + */ + function mapArrayBufferViews (ary) { + return ary.map(function (chunk) { + if (chunk.buffer instanceof ArrayBuffer) { + var buf = chunk.buffer + + // if this is a subarray, make a copy so we only + // include the subarray region from the underlying buffer + if (chunk.byteLength !== buf.byteLength) { + var copy = new Uint8Array(chunk.byteLength) + copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength)) + buf = copy.buffer + } + + return buf + } + + return chunk + }) + } + + function BlobBuilderConstructor (ary, options) { + options = options || {} + + var bb = new BlobBuilder() + mapArrayBufferViews(ary).forEach(function (part) { + bb.append(part) + }) + + return options.type ? bb.getBlob(options.type) : bb.getBlob() + } + + function BlobConstructor (ary, options) { + return new origBlob(mapArrayBufferViews(ary), options || {}) + } + + if (global.Blob) { + BlobBuilderConstructor.prototype = Blob.prototype + BlobConstructor.prototype = Blob.prototype + } + + + + /********************************************************/ + /* String Encoder fallback */ + /********************************************************/ + function stringEncode (string) { + var pos = 0 + var len = string.length + var Arr = global.Uint8Array || Array // Use byte array when possible + + var at = 0 // output position + var tlen = Math.max(32, len + (len >> 1) + 7) // 1.5x size + var target = new Arr((tlen >> 3) << 3) // ... but at 8 byte offset + + while (pos < len) { + var value = string.charCodeAt(pos++) + if (value >= 0xd800 && value <= 0xdbff) { + // high surrogate + if (pos < len) { + var extra = string.charCodeAt(pos) + if ((extra & 0xfc00) === 0xdc00) { + ++pos + value = ((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000 + } + } + if (value >= 0xd800 && value <= 0xdbff) { + continue // drop lone surrogate + } + } + + // expand the buffer if we couldn't write 4 bytes + if (at + 4 > target.length) { + tlen += 8 // minimum extra + tlen *= (1.0 + (pos / string.length) * 2) // take 2x the remaining + tlen = (tlen >> 3) << 3 // 8 byte offset + + var update = new Uint8Array(tlen) + update.set(target) + target = update + } + + if ((value & 0xffffff80) === 0) { // 1-byte + target[at++] = value // ASCII + continue + } else if ((value & 0xfffff800) === 0) { // 2-byte + target[at++] = ((value >> 6) & 0x1f) | 0xc0 + } else if ((value & 0xffff0000) === 0) { // 3-byte + target[at++] = ((value >> 12) & 0x0f) | 0xe0 + target[at++] = ((value >> 6) & 0x3f) | 0x80 + } else if ((value & 0xffe00000) === 0) { // 4-byte + target[at++] = ((value >> 18) & 0x07) | 0xf0 + target[at++] = ((value >> 12) & 0x3f) | 0x80 + target[at++] = ((value >> 6) & 0x3f) | 0x80 + } else { + // FIXME: do we care + continue + } + + target[at++] = (value & 0x3f) | 0x80 + } + + return target.slice(0, at) + } + + /********************************************************/ + /* String Decoder fallback */ + /********************************************************/ + function stringDecode (buf) { + var end = buf.length + var res = [] + + var i = 0 + while (i < end) { + var firstByte = buf[i] + var codePoint = null + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1 + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte + } + break + case 2: + secondByte = buf[i + 1] + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint + } + } + break + case 3: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint + } + } + break + case 4: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + fourthByte = buf[i + 3] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD + bytesPerSequence = 1 + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000 + res.push(codePoint >>> 10 & 0x3FF | 0xD800) + codePoint = 0xDC00 | codePoint & 0x3FF + } + + res.push(codePoint) + i += bytesPerSequence + } + + var len = res.length + var str = '' + var i = 0 + + while (i < len) { + str += String.fromCharCode.apply(String, res.slice(i, i += 0x1000)) + } + + return str + } + + // string -> buffer + var textEncode = typeof TextEncoder === 'function' + ? TextEncoder.prototype.encode.bind(new TextEncoder()) + : stringEncode + + // buffer -> string + var textDecode = typeof TextDecoder === 'function' + ? TextDecoder.prototype.decode.bind(new TextDecoder()) + : stringDecode + + function FakeBlobBuilder () { + function isDataView (obj) { + return obj && DataView.prototype.isPrototypeOf(obj) + } + function bufferClone (buf) { + var view = new Array(buf.byteLength) + var array = new Uint8Array(buf) + var i = view.length + while (i--) { + view[i] = array[i] + } + return view + } + function array2base64 (input) { + var byteToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=' + + var output = [] + + for (var i = 0; i < input.length; i += 3) { + var byte1 = input[i] + var haveByte2 = i + 1 < input.length + var byte2 = haveByte2 ? input[i + 1] : 0 + var haveByte3 = i + 2 < input.length + var byte3 = haveByte3 ? input[i + 2] : 0 + + var outByte1 = byte1 >> 2 + var outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4) + var outByte3 = ((byte2 & 0x0F) << 2) | (byte3 >> 6) + var outByte4 = byte3 & 0x3F + + if (!haveByte3) { + outByte4 = 64 + + if (!haveByte2) { + outByte3 = 64 + } + } + + output.push( + byteToCharMap[outByte1], byteToCharMap[outByte2], + byteToCharMap[outByte3], byteToCharMap[outByte4] + ) + } + + return output.join('') + } + + var create = Object.create || function (a) { + function c () {} + c.prototype = a + return new c() + } + + if (arrayBufferSupported) { + var viewClasses = [ + '[object Int8Array]', + '[object Uint8Array]', + '[object Uint8ClampedArray]', + '[object Int16Array]', + '[object Uint16Array]', + '[object Int32Array]', + '[object Uint32Array]', + '[object Float32Array]', + '[object Float64Array]' + ] + + var isArrayBufferView = ArrayBuffer.isView || function (obj) { + return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1 + } + } + + function concatTypedarrays (chunks) { + var size = 0 + var i = chunks.length + while (i--) { size += chunks[i].length } + var b = new Uint8Array(size) + var offset = 0 + for (i = 0, l = chunks.length; i < l; i++) { + var chunk = chunks[i] + b.set(chunk, offset) + offset += chunk.byteLength || chunk.length + } + + return b + } + + /********************************************************/ + /* Blob constructor */ + /********************************************************/ + function Blob (chunks, opts) { + chunks = chunks || [] + opts = opts == null ? {} : opts + for (var i = 0, len = chunks.length; i < len; i++) { + var chunk = chunks[i] + if (chunk instanceof Blob) { + chunks[i] = chunk._buffer + } else if (typeof chunk === 'string') { + chunks[i] = textEncode(chunk) + } else if (arrayBufferSupported && (ArrayBuffer.prototype.isPrototypeOf(chunk) || isArrayBufferView(chunk))) { + chunks[i] = bufferClone(chunk) + } else if (arrayBufferSupported && isDataView(chunk)) { + chunks[i] = bufferClone(chunk.buffer) + } else { + chunks[i] = textEncode(String(chunk)) + } + } + + this._buffer = global.Uint8Array + ? concatTypedarrays(chunks) + : [].concat.apply([], chunks) + this.size = this._buffer.length + + this.type = opts.type || '' + if (/[^\u0020-\u007E]/.test(this.type)) { + this.type = '' + } else { + this.type = this.type.toLowerCase() + } + } + + Blob.prototype.arrayBuffer = function () { + return Promise.resolve(this._buffer) + } + + Blob.prototype.text = function () { + return Promise.resolve(textDecode(this._buffer)) + } + + Blob.prototype.slice = function (start, end, type) { + var slice = this._buffer.slice(start || 0, end || this._buffer.length) + return new Blob([slice], {type: type}) + } + + Blob.prototype.toString = function () { + return '[object Blob]' + } + + /********************************************************/ + /* File constructor */ + /********************************************************/ + function File (chunks, name, opts) { + opts = opts || {} + var a = Blob.call(this, chunks, opts) || this + a.name = name.replace(/\//g, ':') + a.lastModifiedDate = opts.lastModified ? new Date(opts.lastModified) : new Date() + a.lastModified = +a.lastModifiedDate + + return a + } + + File.prototype = create(Blob.prototype) + File.prototype.constructor = File + + if (Object.setPrototypeOf) { + Object.setPrototypeOf(File, Blob) + } else { + try { File.__proto__ = Blob } catch (e) {} + } + + File.prototype.toString = function () { + return '[object File]' + } + + /********************************************************/ + /* FileReader constructor */ + /********************************************************/ + function FileReader () { + if (!(this instanceof FileReader)) { + throw new TypeError("Failed to construct 'FileReader': Please use the 'new' operator, this DOM object constructor cannot be called as a function.") + } + + var delegate = document.createDocumentFragment() + this.addEventListener = delegate.addEventListener + this.dispatchEvent = function (evt) { + var local = this['on' + evt.type] + if (typeof local === 'function') local(evt) + delegate.dispatchEvent(evt) + } + this.removeEventListener = delegate.removeEventListener + } + + function _read (fr, blob, kind) { + if (!(blob instanceof Blob)) { + throw new TypeError("Failed to execute '" + kind + "' on 'FileReader': parameter 1 is not of type 'Blob'.") + } + + fr.result = '' + + setTimeout(function () { + this.readyState = FileReader.LOADING + fr.dispatchEvent(new Event('load')) + fr.dispatchEvent(new Event('loadend')) + }) + } + + FileReader.EMPTY = 0 + FileReader.LOADING = 1 + FileReader.DONE = 2 + FileReader.prototype.error = null + FileReader.prototype.onabort = null + FileReader.prototype.onerror = null + FileReader.prototype.onload = null + FileReader.prototype.onloadend = null + FileReader.prototype.onloadstart = null + FileReader.prototype.onprogress = null + + FileReader.prototype.readAsDataURL = function (blob) { + _read(this, blob, 'readAsDataURL') + this.result = 'data:' + blob.type + ';base64,' + array2base64(blob._buffer) + } + + FileReader.prototype.readAsText = function (blob) { + _read(this, blob, 'readAsText') + this.result = textDecode(blob._buffer) + } + + FileReader.prototype.readAsArrayBuffer = function (blob) { + _read(this, blob, 'readAsText') + // return ArrayBuffer when possible + this.result = (blob._buffer.buffer || blob._buffer).slice() + } + + FileReader.prototype.abort = function () {} + + /********************************************************/ + /* URL */ + /********************************************************/ + URL.createObjectURL = function (blob) { + return blob instanceof Blob + ? 'data:' + blob.type + ';base64,' + array2base64(blob._buffer) + : createObjectURL.call(URL, blob) + } + + URL.revokeObjectURL = function (url) { + revokeObjectURL && revokeObjectURL.call(URL, url) + } + + /********************************************************/ + /* XHR */ + /********************************************************/ + var _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send + if (_send) { + XMLHttpRequest.prototype.send = function (data) { + if (data instanceof Blob) { + this.setRequestHeader('Content-Type', data.type) + _send.call(this, textDecode(data._buffer)) + } else { + _send.call(this, data) + } + } + } + + global.FileReader = FileReader + global.File = File + global.Blob = Blob + } + + function fixFileAndXHR () { + var isIE = !!global.ActiveXObject || ( + '-ms-scroll-limit' in document.documentElement.style && + '-ms-ime-align' in document.documentElement.style + ) + + // Monkey patched + // IE don't set Content-Type header on XHR whose body is a typed Blob + // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/6047383 + var _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send + if (isIE && _send) { + XMLHttpRequest.prototype.send = function (data) { + if (data instanceof Blob) { + this.setRequestHeader('Content-Type', data.type) + _send.call(this, data) + } else { + _send.call(this, data) + } + } + } + + try { + new File([], '') + } catch (e) { + try { + var klass = new Function('class File extends Blob {' + + 'constructor(chunks, name, opts) {' + + 'opts = opts || {};' + + 'super(chunks, opts || {});' + + 'this.name = name.replace(/\//g, ":");' + + 'this.lastModifiedDate = opts.lastModified ? new Date(opts.lastModified) : new Date();' + + 'this.lastModified = +this.lastModifiedDate;' + + '}};' + + 'return new File([], ""), File' + )() + global.File = klass + } catch (e) { + var klass = function (b, d, c) { + var blob = new Blob(b, c) + var t = c && void 0 !== c.lastModified ? new Date(c.lastModified) : new Date() + + blob.name = d.replace(/\//g, ':') + blob.lastModifiedDate = t + blob.lastModified = +t + blob.toString = function () { + return '[object File]' + } + + if (strTag) { + blob[strTag] = 'File' + } + + return blob + } + global.File = klass + } + } + } + + if (blobSupported) { + fixFileAndXHR() + global.Blob = blobSupportsArrayBufferView ? global.Blob : BlobConstructor + } else if (blobBuilderSupported) { + fixFileAndXHR() + global.Blob = BlobBuilderConstructor + } else { + FakeBlobBuilder() + } + + if (strTag) { + File.prototype[strTag] = 'File' + Blob.prototype[strTag] = 'Blob' + FileReader.prototype[strTag] = 'FileReader' + } + + var blob = global.Blob.prototype + var stream + + function promisify(obj) { + return new Promise(function(resolve, reject) { + obj.onload = + obj.onerror = function(evt) { + obj.onload = + obj.onerror = null + + evt.type === 'load' + ? resolve(obj.result || obj) + : reject(new Error('Failed to read the blob/file')) + } + }) + } + + + try { + new ReadableStream({ type: 'bytes' }) + stream = function stream() { + var position = 0 + var blob = this + + return new ReadableStream({ + type: 'bytes', + autoAllocateChunkSize: 524288, + + pull: function (controller) { + var v = controller.byobRequest.view + var chunk = blob.slice(position, position + v.byteLength) + return chunk.arrayBuffer() + .then(function (buffer) { + var uint8array = new Uint8Array(buffer) + var bytesRead = uint8array.byteLength + + position += bytesRead + v.set(uint8array) + controller.byobRequest.respond(bytesRead) + + if(position >= blob.size) + controller.close() + }) + } + }) + } + } catch (e) { + try { + new ReadableStream({}) + stream = function stream(blob){ + var position = 0 + var blob = this + + return new ReadableStream({ + pull: function (controller) { + var chunk = blob.slice(position, position + 524288) + + return chunk.arrayBuffer().then(function (buffer) { + position += buffer.byteLength + var uint8array = new Uint8Array(buffer) + controller.enqueue(uint8array) + + if (position == blob.size) + controller.close() + }) + } + }) + } + } catch (e) { + try { + new Response('').body.getReader().read() + stream = function stream() { + return (new Response(this)).body + } + } catch (e) { + stream = function stream() { + throw new Error('Include https://github.com/MattiasBuelens/web-streams-polyfill') + } + } + } + } + + + if (!blob.arrayBuffer) { + blob.arrayBuffer = function arrayBuffer() { + var fr = new FileReader() + fr.readAsArrayBuffer(this) + return promisify(fr) + } + } + + if (!blob.text) { + blob.text = function text() { + var fr = new FileReader() + fr.readAsText(this) + return promisify(fr) + } + } + + if (!blob.stream) { + blob.stream = stream + } +})(); + +/* canvas-toBlob.js + * A canvas.toBlob() implementation. + * 2016-05-26 + * + * By Eli Grey, http://eligrey.com and Devin Samarin, https://github.com/eboyjr + * License: MIT + * See https://github.com/eligrey/canvas-toBlob.js/blob/master/LICENSE.md + */ + +/*global self */ +/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true, + plusplus: true */ + +/*! @source http://purl.eligrey.com/github/canvas-toBlob.js/blob/master/canvas-toBlob.js */ + +(function(view) { +"use strict"; +var + Uint8Array = view.Uint8Array + , HTMLCanvasElement = view.HTMLCanvasElement + , canvas_proto = HTMLCanvasElement && HTMLCanvasElement.prototype + , is_base64_regex = /\s*;\s*base64\s*(?:;|$)/i + , to_data_url = "toDataURL" + , base64_ranks + , decode_base64 = function(base64) { + var + len = base64.length + , buffer = new Uint8Array(len / 4 * 3 | 0) + , i = 0 + , outptr = 0 + , last = [0, 0] + , state = 0 + , save = 0 + , rank + , code + , undef + ; + while (len--) { + code = base64.charCodeAt(i++); + rank = base64_ranks[code-43]; + if (rank !== 255 && rank !== undef) { + last[1] = last[0]; + last[0] = code; + save = (save << 6) | rank; + state++; + if (state === 4) { + buffer[outptr++] = save >>> 16; + if (last[1] !== 61 /* padding character */) { + buffer[outptr++] = save >>> 8; + } + if (last[0] !== 61 /* padding character */) { + buffer[outptr++] = save; + } + state = 0; + } + } + } + // 2/3 chance there's going to be some null bytes at the end, but that + // doesn't really matter with most image formats. + // If it somehow matters for you, truncate the buffer up outptr. + return buffer; + } +; +if (Uint8Array) { + base64_ranks = new Uint8Array([ + 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1 + , -1, -1, 0, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 + , 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 + , -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35 + , 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 + ]); +} +if (HTMLCanvasElement && (!canvas_proto.toBlob || !canvas_proto.toBlobHD)) { + if (!canvas_proto.toBlob) + canvas_proto.toBlob = function(callback, type /*, ...args*/) { + if (!type) { + type = "image/png"; + } if (this.mozGetAsFile) { + callback(this.mozGetAsFile("canvas", type)); + return; + } if (this.msToBlob && /^\s*image\/png\s*(?:$|;)/i.test(type)) { + callback(this.msToBlob()); + return; + } + + var + args = Array.prototype.slice.call(arguments, 1) + , dataURI = this[to_data_url].apply(this, args) + , header_end = dataURI.indexOf(",") + , data = dataURI.substring(header_end + 1) + , is_base64 = is_base64_regex.test(dataURI.substring(0, header_end)) + , blob + ; + if (Blob.fake) { + // no reason to decode a data: URI that's just going to become a data URI again + blob = new Blob + if (is_base64) { + blob.encoding = "base64"; + } else { + blob.encoding = "URI"; + } + blob.data = data; + blob.size = data.length; + } else if (Uint8Array) { + if (is_base64) { + blob = new Blob([decode_base64(data)], {type: type}); + } else { + blob = new Blob([decodeURIComponent(data)], {type: type}); + } + } + callback(blob); + }; + + if (!canvas_proto.toBlobHD && canvas_proto.toDataURLHD) { + canvas_proto.toBlobHD = function() { + to_data_url = "toDataURLHD"; + var blob = this.toBlob(); + to_data_url = "toDataURL"; + return blob; + } + } else { + canvas_proto.toBlobHD = canvas_proto.toBlob; + } +} +}(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this)); \ No newline at end of file