diff options
Diffstat (limited to 'old/server/app/static/js/vendor/canvas-to-blob.js')
| -rw-r--r-- | old/server/app/static/js/vendor/canvas-to-blob.js | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/old/server/app/static/js/vendor/canvas-to-blob.js b/old/server/app/static/js/vendor/canvas-to-blob.js deleted file mode 100644 index 32913667..00000000 --- a/old/server/app/static/js/vendor/canvas-to-blob.js +++ /dev/null @@ -1,111 +0,0 @@ -/* - * JavaScript Canvas to Blob - * https://github.com/blueimp/JavaScript-Canvas-to-Blob - * - * Copyright 2012, Sebastian Tschan - * https://blueimp.net - * - * Licensed under the MIT license: - * http://www.opensource.org/licenses/MIT - * - * Based on stackoverflow user Stoive's code snippet: - * http://stackoverflow.com/q/4998908 - */ - -/* global atob, Blob, define */ - -;(function (window) { - 'use strict' - - var CanvasPrototype = window.HTMLCanvasElement && - window.HTMLCanvasElement.prototype - var hasBlobConstructor = window.Blob && (function () { - try { - return Boolean(new Blob()) - } catch (e) { - return false - } - }()) - var hasArrayBufferViewSupport = hasBlobConstructor && window.Uint8Array && - (function () { - try { - return new Blob([new Uint8Array(100)]).size === 100 - } catch (e) { - return false - } - }()) - var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || - window.MozBlobBuilder || window.MSBlobBuilder - var dataURIPattern = /^data:((.*?)(;charset=.*?)?)(;base64)?,/ - var dataURLtoBlob = (hasBlobConstructor || BlobBuilder) && window.atob && - window.ArrayBuffer && window.Uint8Array && - function (dataURI) { - var matches, - mediaType, - isBase64, - dataString, - byteString, - arrayBuffer, - intArray, - i, - bb - // Parse the dataURI components as per RFC 2397 - matches = dataURI.match(dataURIPattern) - if (!matches) { - throw new Error('invalid data URI') - } - // Default to text/plain;charset=US-ASCII - mediaType = matches[2] - ? matches[1] - : 'text/plain' + (matches[3] || ';charset=US-ASCII') - isBase64 = !!matches[4] - dataString = dataURI.slice(matches[0].length) - if (isBase64) { - // Convert base64 to raw binary data held in a string: - byteString = atob(dataString) - } else { - // Convert base64/URLEncoded data component to raw binary: - byteString = decodeURIComponent(dataString) - } - // Write the bytes of the string to an ArrayBuffer: - arrayBuffer = new ArrayBuffer(byteString.length) - intArray = new Uint8Array(arrayBuffer) - for (i = 0; i < byteString.length; i += 1) { - intArray[i] = byteString.charCodeAt(i) - } - // Write the ArrayBuffer (or ArrayBufferView) to a blob: - if (hasBlobConstructor) { - return new Blob( - [hasArrayBufferViewSupport ? intArray : arrayBuffer], - {type: mediaType} - ) - } - bb = new BlobBuilder() - bb.append(arrayBuffer) - return bb.getBlob(mediaType) - } - if (window.HTMLCanvasElement && !CanvasPrototype.toBlob) { - if (CanvasPrototype.mozGetAsFile) { - CanvasPrototype.toBlob = function (callback, type, quality) { - if (quality && CanvasPrototype.toDataURL && dataURLtoBlob) { - callback(dataURLtoBlob(this.toDataURL(type, quality))) - } else { - callback(this.mozGetAsFile('blob', type)) - } - } - } else if (CanvasPrototype.toDataURL && dataURLtoBlob) { - CanvasPrototype.toBlob = function (callback, type, quality) { - callback(dataURLtoBlob(this.toDataURL(type, quality))) - } - } - } - if (typeof define === 'function' && define.amd) { - define(function () { - return dataURLtoBlob - }) - } else if (typeof module === 'object' && module.exports) { - module.exports = dataURLtoBlob - } else { - window.dataURLtoBlob = dataURLtoBlob - } -}(window)) |
