summaryrefslogtreecommitdiff
path: root/www/external/origjs/canvas-toBlob.js
diff options
context:
space:
mode:
Diffstat (limited to 'www/external/origjs/canvas-toBlob.js')
-rw-r--r--www/external/origjs/canvas-toBlob.js124
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));