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Diffstat (limited to 'www/external/origjs/canvas-toBlob.js')
| -rw-r--r-- | www/external/origjs/canvas-toBlob.js | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/www/external/origjs/canvas-toBlob.js b/www/external/origjs/canvas-toBlob.js deleted file mode 100644 index 6d895a78..00000000 --- a/www/external/origjs/canvas-toBlob.js +++ /dev/null @@ -1,124 +0,0 @@ -/* canvas-toBlob.js - * A canvas.toBlob() implementation. - * 2013-12-27 - * - * 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*(?:;|$)/i - , to_data_url = "toDataURL" - , base64_ranks - , decode_base64 = function(base64) { - var - len = base64.length - , buffer = new Uint8Array(len / 4 * 3 | 0) - , i = 0 - , outptr = 0 - , last = [0, 0] - , state = 0 - , save = 0 - , rank - , code - , undef - ; - while (len--) { - code = base64.charCodeAt(i++); - rank = base64_ranks[code-43]; - if (rank !== 255 && rank !== undef) { - last[1] = last[0]; - last[0] = code; - save = (save << 6) | rank; - state++; - if (state === 4) { - buffer[outptr++] = save >>> 16; - if (last[1] !== 61 /* padding character */) { - buffer[outptr++] = save >>> 8; - } - if (last[0] !== 61 /* padding character */) { - buffer[outptr++] = save; - } - state = 0; - } - } - } - // 2/3 chance there's going to be some null bytes at the end, but that - // doesn't really matter with most image formats. - // If it somehow matters for you, truncate the buffer up outptr. - return buffer; - } -; -if (Uint8Array) { - base64_ranks = new Uint8Array([ - 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1 - , -1, -1, 0, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 - , 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 - , -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35 - , 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 - ]); -} -if (HTMLCanvasElement && !canvas_proto.toBlob) { - canvas_proto.toBlob = function(callback, type /*, ...args*/) { - if (!type) { - type = "image/png"; - } if (this.mozGetAsFile) { - callback(this.mozGetAsFile("canvas", type)); - return; - } if (this.msToBlob && /^\s*image\/png\s*(?:$|;)/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.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)); |
