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html2canvas.min

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此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/388505/724511/html2canvasmin.js 

  1. /*
  2.   html2canvas 0.5.0-beta3 <http://html2canvas.hertzen.com>
  3.   Copyright (c) 2016 Niklas von Hertzen
  4.   Released under  License
  5. */
  6. !function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.html2canvas=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
  7. (function (global){
  8. /*! http://mths.be/punycode v1.2.4 by @mathias */
  9. ;(function(root) {
  10.  
  11. 	/** Detect free variables */
  12. 	var freeExports = typeof exports == 'object' && exports;
  13. 	var freeModule = typeof module == 'object' && module &&
  14. 		module.exports == freeExports && module;
  15. 	var freeGlobal = typeof global == 'object' && global;
  16. 	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
  17. 		root = freeGlobal;
  18. 	}
  19.  
  20. 	/**
  21. 	 * The `punycode` object.
  22. 	 * @name punycode
  23. 	 * @type Object
  24. 	 */
  25. 	var punycode,
  26.  
  27. 	/** Highest positive signed 32-bit float value */
  28. 	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
  29.  
  30. 	/** Bootstring parameters */
  31. 	base = 36,
  32. 	tMin = 1,
  33. 	tMax = 26,
  34. 	skew = 38,
  35. 	damp = 700,
  36. 	initialBias = 72,
  37. 	initialN = 128, // 0x80
  38. 	delimiter = '-', // '\x2D'
  39.  
  40. 	/** Regular expressions */
  41. 	regexPunycode = /^xn--/,
  42. 	regexNonASCII = /[^ -~]/, // unprintable ASCII chars + non-ASCII chars
  43. 	regexSeparators = /\x2E|\u3002|\uFF0E|\uFF61/g, // RFC 3490 separators
  44.  
  45. 	/** Error messages */
  46. 	errors = {
  47. 		'overflow': 'Overflow: input needs wider integers to process',
  48. 		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
  49. 		'invalid-input': 'Invalid input'
  50. 	},
  51.  
  52. 	/** Convenience shortcuts */
  53. 	baseMinusTMin = base - tMin,
  54. 	floor = Math.floor,
  55. 	stringFromCharCode = String.fromCharCode,
  56.  
  57. 	/** Temporary variable */
  58. 	key;
  59.  
  60. 	/*--------------------------------------------------------------------------*/
  61.  
  62. 	/**
  63. 	 * A generic error utility function.
  64. 	 * @private
  65. 	 * @param {String} type The error type.
  66. 	 * @returns {Error} Throws a `RangeError` with the applicable error message.
  67. 	 */
  68. 	function error(type) {
  69. 		throw RangeError(errors[type]);
  70. 	}
  71.  
  72. 	/**
  73. 	 * A generic `Array#map` utility function.
  74. 	 * @private
  75. 	 * @param {Array} array The array to iterate over.
  76. 	 * @param {Function} callback The function that gets called for every array
  77. 	 * item.
  78. 	 * @returns {Array} A new array of values returned by the callback function.
  79. 	 */
  80. 	function map(array, fn) {
  81. 		var length = array.length;
  82. 		while (length--) {
  83. 			array[length] = fn(array[length]);
  84. 		}
  85. 		return array;
  86. 	}
  87.  
  88. 	/**
  89. 	 * A simple `Array#map`-like wrapper to work with domain name strings.
  90. 	 * @private
  91. 	 * @param {String} domain The domain name.
  92. 	 * @param {Function} callback The function that gets called for every
  93. 	 * character.
  94. 	 * @returns {Array} A new string of characters returned by the callback
  95. 	 * function.
  96. 	 */
  97. 	function mapDomain(string, fn) {
  98. 		return map(string.split(regexSeparators), fn).join('.');
  99. 	}
  100.  
  101. 	/**
  102. 	 * Creates an array containing the numeric code points of each Unicode
  103. 	 * character in the string. While JavaScript uses UCS-2 internally,
  104. 	 * this function will convert a pair of surrogate halves (each of which
  105. 	 * UCS-2 exposes as separate characters) into a single code point,
  106. 	 * matching UTF-16.
  107. 	 * @see `punycode.ucs2.encode`
  108. 	 * @see <http://mathiasbynens.be/notes/javascript-encoding>
  109. 	 * @memberOf punycode.ucs2
  110. 	 * @name decode
  111. 	 * @param {String} string The Unicode input string (UCS-2).
  112. 	 * @returns {Array} The new array of code points.
  113. 	 */
  114. 	function ucs2decode(string) {
  115. 		var output = [],
  116. 		    counter = 0,
  117. 		    length = string.length,
  118. 		    value,
  119. 		    extra;
  120. 		while (counter < length) {
  121. 			value = string.charCodeAt(counter++);
  122. 			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
  123. 				// high surrogate, and there is a next character
  124. 				extra = string.charCodeAt(counter++);
  125. 				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
  126. 					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
  127. 				} else {
  128. 					// unmatched surrogate; only append this code unit, in case the next
  129. 					// code unit is the high surrogate of a surrogate pair
  130. 					output.push(value);
  131. 					counter--;
  132. 				}
  133. 			} else {
  134. 				output.push(value);
  135. 			}
  136. 		}
  137. 		return output;
  138. 	}
  139.  
  140. 	/**
  141. 	 * Creates a string based on an array of numeric code points.
  142. 	 * @see `punycode.ucs2.decode`
  143. 	 * @memberOf punycode.ucs2
  144. 	 * @name encode
  145. 	 * @param {Array} codePoints The array of numeric code points.
  146. 	 * @returns {String} The new Unicode string (UCS-2).
  147. 	 */
  148. 	function ucs2encode(array) {
  149. 		return map(array, function(value) {
  150. 			var output = '';
  151. 			if (value > 0xFFFF) {
  152. 				value -= 0x10000;
  153. 				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
  154. 				value = 0xDC00 | value & 0x3FF;
  155. 			}
  156. 			output += stringFromCharCode(value);
  157. 			return output;
  158. 		}).join('');
  159. 	}
  160.  
  161. 	/**
  162. 	 * Converts a basic code point into a digit/integer.
  163. 	 * @see `digitToBasic()`
  164. 	 * @private
  165. 	 * @param {Number} codePoint The basic numeric code point value.
  166. 	 * @returns {Number} The numeric value of a basic code point (for use in
  167. 	 * representing integers) in the range `0` to `base - 1`, or `base` if
  168. 	 * the code point does not represent a value.
  169. 	 */
  170. 	function basicToDigit(codePoint) {
  171. 		if (codePoint - 48 < 10) {
  172. 			return codePoint - 22;
  173. 		}
  174. 		if (codePoint - 65 < 26) {
  175. 			return codePoint - 65;
  176. 		}
  177. 		if (codePoint - 97 < 26) {
  178. 			return codePoint - 97;
  179. 		}
  180. 		return base;
  181. 	}
  182.  
  183. 	/**
  184. 	 * Converts a digit/integer into a basic code point.
  185. 	 * @see `basicToDigit()`
  186. 	 * @private
  187. 	 * @param {Number} digit The numeric value of a basic code point.
  188. 	 * @returns {Number} The basic code point whose value (when used for
  189. 	 * representing integers) is `digit`, which needs to be in the range
  190. 	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
  191. 	 * used; else, the lowercase form is used. The behavior is undefined
  192. 	 * if `flag` is non-zero and `digit` has no uppercase form.
  193. 	 */
  194. 	function digitToBasic(digit, flag) {
  195. 		//  0..25 map to ASCII a..z or A..Z
  196. 		// 26..35 map to ASCII 0..9
  197. 		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
  198. 	}
  199.  
  200. 	/**
  201. 	 * Bias adaptation function as per section 3.4 of RFC 3492.
  202. 	 * http://tools.ietf.org/html/rfc3492#section-3.4
  203. 	 * @private
  204. 	 */
  205. 	function adapt(delta, numPoints, firstTime) {
  206. 		var k = 0;
  207. 		delta = firstTime ? floor(delta / damp) : delta >> 1;
  208. 		delta += floor(delta / numPoints);
  209. 		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
  210. 			delta = floor(delta / baseMinusTMin);
  211. 		}
  212. 		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
  213. 	}
  214.  
  215. 	/**
  216. 	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
  217. 	 * symbols.
  218. 	 * @memberOf punycode
  219. 	 * @param {String} input The Punycode string of ASCII-only symbols.
  220. 	 * @returns {String} The resulting string of Unicode symbols.
  221. 	 */
  222. 	function decode(input) {
  223. 		// Don't use UCS-2
  224. 		var output = [],
  225. 		    inputLength = input.length,
  226. 		    out,
  227. 		    i = 0,
  228. 		    n = initialN,
  229. 		    bias = initialBias,
  230. 		    basic,
  231. 		    j,
  232. 		    index,
  233. 		    oldi,
  234. 		    w,
  235. 		    k,
  236. 		    digit,
  237. 		    t,
  238. 		    /** Cached calculation results */
  239. 		    baseMinusT;
  240.  
  241. 		// Handle the basic code points: let `basic` be the number of input code
  242. 		// points before the last delimiter, or `0` if there is none, then copy
  243. 		// the first basic code points to the output.
  244.  
  245. 		basic = input.lastIndexOf(delimiter);
  246. 		if (basic < 0) {
  247. 			basic = 0;
  248. 		}
  249.  
  250. 		for (j = 0; j < basic; ++j) {
  251. 			// if it's not a basic code point
  252. 			if (input.charCodeAt(j) >= 0x80) {
  253. 				error('not-basic');
  254. 			}
  255. 			output.push(input.charCodeAt(j));
  256. 		}
  257.  
  258. 		// Main decoding loop: start just after the last delimiter if any basic code
  259. 		// points were copied; start at the beginning otherwise.
  260.  
  261. 		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
  262.  
  263. 			// `index` is the index of the next character to be consumed.
  264. 			// Decode a generalized variable-length integer into `delta`,
  265. 			// which gets added to `i`. The overflow checking is easier
  266. 			// if we increase `i` as we go, then subtract off its starting
  267. 			// value at the end to obtain `delta`.
  268. 			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
  269.  
  270. 				if (index >= inputLength) {
  271. 					error('invalid-input');
  272. 				}
  273.  
  274. 				digit = basicToDigit(input.charCodeAt(index++));
  275.  
  276. 				if (digit >= base || digit > floor((maxInt - i) / w)) {
  277. 					error('overflow');
  278. 				}
  279.  
  280. 				i += digit * w;
  281. 				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
  282.  
  283. 				if (digit < t) {
  284. 					break;
  285. 				}
  286.  
  287. 				baseMinusT = base - t;
  288. 				if (w > floor(maxInt / baseMinusT)) {
  289. 					error('overflow');
  290. 				}
  291.  
  292. 				w *= baseMinusT;
  293.  
  294. 			}
  295.  
  296. 			out = output.length + 1;
  297. 			bias = adapt(i - oldi, out, oldi == 0);
  298.  
  299. 			// `i` was supposed to wrap around from `out` to `0`,
  300. 			// incrementing `n` each time, so we'll fix that now:
  301. 			if (floor(i / out) > maxInt - n) {
  302. 				error('overflow');
  303. 			}
  304.  
  305. 			n += floor(i / out);
  306. 			i %= out;
  307.  
  308. 			// Insert `n` at position `i` of the output
  309. 			output.splice(i++, 0, n);
  310.  
  311. 		}
  312.  
  313. 		return ucs2encode(output);
  314. 	}
  315.  
  316. 	/**
  317. 	 * Converts a string of Unicode symbols to a Punycode string of ASCII-only
  318. 	 * symbols.
  319. 	 * @memberOf punycode
  320. 	 * @param {String} input The string of Unicode symbols.
  321. 	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
  322. 	 */
  323. 	function encode(input) {
  324. 		var n,
  325. 		    delta,
  326. 		    handledCPCount,
  327. 		    basicLength,
  328. 		    bias,
  329. 		    j,
  330. 		    m,
  331. 		    q,
  332. 		    k,
  333. 		    t,
  334. 		    currentValue,
  335. 		    output = [],
  336. 		    /** `inputLength` will hold the number of code points in `input`. */
  337. 		    inputLength,
  338. 		    /** Cached calculation results */
  339. 		    handledCPCountPlusOne,
  340. 		    baseMinusT,
  341. 		    qMinusT;
  342.  
  343. 		// Convert the input in UCS-2 to Unicode
  344. 		input = ucs2decode(input);
  345.  
  346. 		// Cache the length
  347. 		inputLength = input.length;
  348.  
  349. 		// Initialize the state
  350. 		n = initialN;
  351. 		delta = 0;
  352. 		bias = initialBias;
  353.  
  354. 		// Handle the basic code points
  355. 		for (j = 0; j < inputLength; ++j) {
  356. 			currentValue = input[j];
  357. 			if (currentValue < 0x80) {
  358. 				output.push(stringFromCharCode(currentValue));
  359. 			}
  360. 		}
  361.  
  362. 		handledCPCount = basicLength = output.length;
  363.  
  364. 		// `handledCPCount` is the number of code points that have been handled;
  365. 		// `basicLength` is the number of basic code points.
  366.  
  367. 		// Finish the basic string - if it is not empty - with a delimiter
  368. 		if (basicLength) {
  369. 			output.push(delimiter);
  370. 		}
  371.  
  372. 		// Main encoding loop:
  373. 		while (handledCPCount < inputLength) {
  374.  
  375. 			// All non-basic code points < n have been handled already. Find the next
  376. 			// larger one:
  377. 			for (m = maxInt, j = 0; j < inputLength; ++j) {
  378. 				currentValue = input[j];
  379. 				if (currentValue >= n && currentValue < m) {
  380. 					m = currentValue;
  381. 				}
  382. 			}
  383.  
  384. 			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
  385. 			// but guard against overflow
  386. 			handledCPCountPlusOne = handledCPCount + 1;
  387. 			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
  388. 				error('overflow');
  389. 			}
  390.  
  391. 			delta += (m - n) * handledCPCountPlusOne;
  392. 			n = m;
  393.  
  394. 			for (j = 0; j < inputLength; ++j) {
  395. 				currentValue = input[j];
  396.  
  397. 				if (currentValue < n && ++delta > maxInt) {
  398. 					error('overflow');
  399. 				}
  400.  
  401. 				if (currentValue == n) {
  402. 					// Represent delta as a generalized variable-length integer
  403. 					for (q = delta, k = base; /* no condition */; k += base) {
  404. 						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
  405. 						if (q < t) {
  406. 							break;
  407. 						}
  408. 						qMinusT = q - t;
  409. 						baseMinusT = base - t;
  410. 						output.push(
  411. 							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
  412. 						);
  413. 						q = floor(qMinusT / baseMinusT);
  414. 					}
  415.  
  416. 					output.push(stringFromCharCode(digitToBasic(q, 0)));
  417. 					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
  418. 					delta = 0;
  419. 					++handledCPCount;
  420. 				}
  421. 			}
  422.  
  423. 			++delta;
  424. 			++n;
  425.  
  426. 		}
  427. 		return output.join('');
  428. 	}
  429.  
  430. 	/**
  431. 	 * Converts a Punycode string representing a domain name to Unicode. Only the
  432. 	 * Punycoded parts of the domain name will be converted, i.e. it doesn't
  433. 	 * matter if you call it on a string that has already been converted to
  434. 	 * Unicode.
  435. 	 * @memberOf punycode
  436. 	 * @param {String} domain The Punycode domain name to convert to Unicode.
  437. 	 * @returns {String} The Unicode representation of the given Punycode
  438. 	 * string.
  439. 	 */
  440. 	function toUnicode(domain) {
  441. 		return mapDomain(domain, function(string) {
  442. 			return regexPunycode.test(string)
  443. 				? decode(string.slice(4).toLowerCase())
  444. 				: string;
  445. 		});
  446. 	}
  447.  
  448. 	/**
  449. 	 * Converts a Unicode string representing a domain name to Punycode. Only the
  450. 	 * non-ASCII parts of the domain name will be converted, i.e. it doesn't
  451. 	 * matter if you call it with a domain that's already in ASCII.
  452. 	 * @memberOf punycode
  453. 	 * @param {String} domain The domain name to convert, as a Unicode string.
  454. 	 * @returns {String} The Punycode representation of the given domain name.
  455. 	 */
  456. 	function toASCII(domain) {
  457. 		return mapDomain(domain, function(string) {
  458. 			return regexNonASCII.test(string)
  459. 				? 'xn--' + encode(string)
  460. 				: string;
  461. 		});
  462. 	}
  463.  
  464. 	/*--------------------------------------------------------------------------*/
  465.  
  466. 	/** Define the public API */
  467. 	punycode = {
  468. 		/**
  469. 		 * A string representing the current Punycode.js version number.
  470. 		 * @memberOf punycode
  471. 		 * @type String
  472. 		 */
  473. 		'version': '1.2.4',
  474. 		/**
  475. 		 * An object of methods to convert from JavaScript's internal character
  476. 		 * representation (UCS-2) to Unicode code points, and back.
  477. 		 * @see <http://mathiasbynens.be/notes/javascript-encoding>
  478. 		 * @memberOf punycode
  479. 		 * @type Object
  480. 		 */
  481. 		'ucs2': {
  482. 			'decode': ucs2decode,
  483. 			'encode': ucs2encode
  484. 		},
  485. 		'decode': decode,
  486. 		'encode': encode,
  487. 		'toASCII': toASCII,
  488. 		'toUnicode': toUnicode
  489. 	};
  490.  
  491. 	/** Expose `punycode` */
  492. 	// Some AMD build optimizers, like r.js, check for specific condition patterns
  493. 	// like the following:
  494. 	if (
  495. 		typeof define == 'function' &&
  496. 		typeof define.amd == 'object' &&
  497. 		define.amd
  498. 	) {
  499. 		define('punycode', function() {
  500. 			return punycode;
  501. 		});
  502. 	} else if (freeExports && !freeExports.nodeType) {
  503. 		if (freeModule) { // in Node.js or RingoJS v0.8.0+
  504. 			freeModule.exports = punycode;
  505. 		} else { // in Narwhal or RingoJS v0.7.0-
  506. 			for (key in punycode) {
  507. 				punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
  508. 			}
  509. 		}
  510. 	} else { // in Rhino or a web browser
  511. 		root.punycode = punycode;
  512. 	}
  513.  
  514. }(this));
  515.  
  516. }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
  517. },{}],2:[function(_dereq_,module,exports){
  518. var log = _dereq_('./log');
  519.  
  520. function restoreOwnerScroll(ownerDocument, x, y) {
  521.     if (ownerDocument.defaultView && (x !== ownerDocument.defaultView.pageXOffset || y !== ownerDocument.defaultView.pageYOffset)) {
  522.         ownerDocument.defaultView.scrollTo(x, y);
  523.     }
  524. }
  525.  
  526. function cloneCanvasContents(canvas, clonedCanvas) {
  527.     try {
  528.         if (clonedCanvas) {
  529.             clonedCanvas.width = canvas.width;
  530.             clonedCanvas.height = canvas.height;
  531.             clonedCanvas.getContext("2d").putImageData(canvas.getContext("2d").getImageData(0, 0, canvas.width, canvas.height), 0, 0);
  532.         }
  533.     } catch(e) {
  534.         log("Unable to copy canvas content from", canvas, e);
  535.     }
  536. }
  537.  
  538. function cloneNode(node, javascriptEnabled) {
  539.     var clone = node.nodeType === 3 ? document.createTextNode(node.nodeValue) : node.cloneNode(false);
  540.  
  541.     var child = node.firstChild;
  542.     while(child) {
  543.         if (javascriptEnabled === true || child.nodeType !== 1 || child.nodeName !== 'SCRIPT') {
  544.             clone.appendChild(cloneNode(child, javascriptEnabled));
  545.         }
  546.         child = child.nextSibling;
  547.     }
  548.  
  549.     if (node.nodeType === 1) {
  550.         clone._scrollTop = node.scrollTop;
  551.         clone._scrollLeft = node.scrollLeft;
  552.         if (node.nodeName === "CANVAS") {
  553.             cloneCanvasContents(node, clone);
  554.         } else if (node.nodeName === "TEXTAREA" || node.nodeName === "SELECT") {
  555.             clone.value = node.value;
  556.         }
  557.     }
  558.  
  559.     return clone;
  560. }
  561.  
  562. function initNode(node) {
  563.     if (node.nodeType === 1) {
  564.         node.scrollTop = node._scrollTop;
  565.         node.scrollLeft = node._scrollLeft;
  566.  
  567.         var child = node.firstChild;
  568.         while(child) {
  569.             initNode(child);
  570.             child = child.nextSibling;
  571.         }
  572.     }
  573. }
  574.  
  575. module.exports = function(ownerDocument, containerDocument, width, height, options, x ,y) {
  576.     var documentElement = cloneNode(ownerDocument.documentElement, options.javascriptEnabled);
  577.     var container = containerDocument.createElement("iframe");
  578.  
  579.     container.className = "html2canvas-container";
  580.     container.style.visibility = "hidden";
  581.     container.style.position = "fixed";
  582.     container.style.left = "-10000px";
  583.     container.style.top = "0px";
  584.     container.style.border = "0";
  585.     container.width = width;
  586.     container.height = height;
  587.     container.scrolling = "no"; // ios won't scroll without it
  588.     containerDocument.body.appendChild(container);
  589.  
  590.     return new Promise(function(resolve) {
  591.         var documentClone = container.contentWindow.document;
  592.  
  593.         /* Chrome doesn't detect relative background-images assigned in inline <style> sheets when fetched through getComputedStyle
  594.          if window url is about:blank, we can assign the url to current by writing onto the document
  595.          */
  596.         container.contentWindow.onload = container.onload = function() {
  597.             var interval = setInterval(function() {
  598.                 if (documentClone.body.childNodes.length > 0) {
  599.                     initNode(documentClone.documentElement);
  600.                     clearInterval(interval);
  601.                     if (options.type === "view") {
  602.                         container.contentWindow.scrollTo(x, y);
  603.                         if ((/(iPad|iPhone|iPod)/g).test(navigator.userAgent) && (container.contentWindow.scrollY !== y || container.contentWindow.scrollX !== x)) {
  604.                             documentClone.documentElement.style.top = (-y) + "px";
  605.                             documentClone.documentElement.style.left = (-x) + "px";
  606.                             documentClone.documentElement.style.position = 'absolute';
  607.                         }
  608.                     }
  609.                     resolve(container);
  610.                 }
  611.             }, 50);
  612.         };
  613.  
  614.         documentClone.open();
  615.         documentClone.write("<!DOCTYPE html><html></html>");
  616.         // Chrome scrolls the parent document for some reason after the write to the cloned window???
  617.         restoreOwnerScroll(ownerDocument, x, y);
  618.         documentClone.replaceChild(documentClone.adoptNode(documentElement), documentClone.documentElement);
  619.         documentClone.close();
  620.     });
  621. };
  622.  
  623. },{"./log":13}],3:[function(_dereq_,module,exports){
  624. // http://dev.w3.org/csswg/css-color/
  625.  
  626. function Color(value) {
  627.     this.r = 0;
  628.     this.g = 0;
  629.     this.b = 0;
  630.     this.a = null;
  631.     var result = this.fromArray(value) ||
  632.         this.namedColor(value) ||
  633.         this.rgb(value) ||
  634.         this.rgba(value) ||
  635.         this.hex6(value) ||
  636.         this.hex3(value);
  637. }
  638.  
  639. Color.prototype.darken = function(amount) {
  640.     var a = 1 - amount;
  641.     return  new Color([
  642.         Math.round(this.r * a),
  643.         Math.round(this.g * a),
  644.         Math.round(this.b * a),
  645.         this.a
  646.     ]);
  647. };
  648.  
  649. Color.prototype.isTransparent = function() {
  650.     return this.a === 0;
  651. };
  652.  
  653. Color.prototype.isBlack = function() {
  654.     return this.r === 0 && this.g === 0 && this.b === 0;
  655. };
  656.  
  657. Color.prototype.fromArray = function(array) {
  658.     if (Array.isArray(array)) {
  659.         this.r = Math.min(array[0], 255);
  660.         this.g = Math.min(array[1], 255);
  661.         this.b = Math.min(array[2], 255);
  662.         if (array.length > 3) {
  663.             this.a = array[3];
  664.         }
  665.     }
  666.  
  667.     return (Array.isArray(array));
  668. };
  669.  
  670. var _hex3 = /^#([a-f0-9]{3})$/i;
  671.  
  672. Color.prototype.hex3 = function(value) {
  673.     var match = null;
  674.     if ((match = value.match(_hex3)) !== null) {
  675.         this.r = parseInt(match[1][0] + match[1][0], 16);
  676.         this.g = parseInt(match[1][1] + match[1][1], 16);
  677.         this.b = parseInt(match[1][2] + match[1][2], 16);
  678.     }
  679.     return match !== null;
  680. };
  681.  
  682. var _hex6 = /^#([a-f0-9]{6})$/i;
  683.  
  684. Color.prototype.hex6 = function(value) {
  685.     var match = null;
  686.     if ((match = value.match(_hex6)) !== null) {
  687.         this.r = parseInt(match[1].substring(0, 2), 16);
  688.         this.g = parseInt(match[1].substring(2, 4), 16);
  689.         this.b = parseInt(match[1].substring(4, 6), 16);
  690.     }
  691.     return match !== null;
  692. };
  693.  
  694.  
  695. var _rgb = /^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)$/;
  696.  
  697. Color.prototype.rgb = function(value) {
  698.     var match = null;
  699.     if ((match = value.match(_rgb)) !== null) {
  700.         this.r = Number(match[1]);
  701.         this.g = Number(match[2]);
  702.         this.b = Number(match[3]);
  703.     }
  704.     return match !== null;
  705. };
  706.  
  707. var _rgba = /^rgba\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d?\.?\d+)\s*\)$/;
  708.  
  709. Color.prototype.rgba = function(value) {
  710.     var match = null;
  711.     if ((match = value.match(_rgba)) !== null) {
  712.         this.r = Number(match[1]);
  713.         this.g = Number(match[2]);
  714.         this.b = Number(match[3]);
  715.         this.a = Number(match[4]);
  716.     }
  717.     return match !== null;
  718. };
  719.  
  720. Color.prototype.toString = function() {
  721.     return this.a !== null && this.a !== 1 ?
  722.     "rgba(" + [this.r, this.g, this.b, this.a].join(",") + ")" :
  723.     "rgb(" + [this.r, this.g, this.b].join(",") + ")";
  724. };
  725.  
  726. Color.prototype.namedColor = function(value) {
  727.     value = value.toLowerCase();
  728.     var color = colors[value];
  729.     if (color) {
  730.         this.r = color[0];
  731.         this.g = color[1];
  732.         this.b = color[2];
  733.     } else if (value === "transparent") {
  734.         this.r = this.g = this.b = this.a = 0;
  735.         return true;
  736.     }
  737.  
  738.     return !!color;
  739. };
  740.  
  741. Color.prototype.isColor = true;
  742.  
  743. // JSON.stringify([].slice.call($$('.named-color-table tr'), 1).map(function(row) { return [row.childNodes[3].textContent, row.childNodes[5].textContent.trim().split(",").map(Number)] }).reduce(function(data, row) {data[row[0]] = row[1]; return data}, {}))
  744. var colors = {
  745.     "aliceblue": [240, 248, 255],
  746.     "antiquewhite": [250, 235, 215],
  747.     "aqua": [0, 255, 255],
  748.     "aquamarine": [127, 255, 212],
  749.     "azure": [240, 255, 255],
  750.     "beige": [245, 245, 220],
  751.     "bisque": [255, 228, 196],
  752.     "black": [0, 0, 0],
  753.     "blanchedalmond": [255, 235, 205],
  754.     "blue": [0, 0, 255],
  755.     "blueviolet": [138, 43, 226],
  756.     "brown": [165, 42, 42],
  757.     "burlywood": [222, 184, 135],
  758.     "cadetblue": [95, 158, 160],
  759.     "chartreuse": [127, 255, 0],
  760.     "chocolate": [210, 105, 30],
  761.     "coral": [255, 127, 80],
  762.     "cornflowerblue": [100, 149, 237],
  763.     "cornsilk": [255, 248, 220],
  764.     "crimson": [220, 20, 60],
  765.     "cyan": [0, 255, 255],
  766.     "darkblue": [0, 0, 139],
  767.     "darkcyan": [0, 139, 139],
  768.     "darkgoldenrod": [184, 134, 11],
  769.     "darkgray": [169, 169, 169],
  770.     "darkgreen": [0, 100, 0],
  771.     "darkgrey": [169, 169, 169],
  772.     "darkkhaki": [189, 183, 107],
  773.     "darkmagenta": [139, 0, 139],
  774.     "darkolivegreen": [85, 107, 47],
  775.     "darkorange": [255, 140, 0],
  776.     "darkorchid": [153, 50, 204],
  777.     "darkred": [139, 0, 0],
  778.     "darksalmon": [233, 150, 122],
  779.     "darkseagreen": [143, 188, 143],
  780.     "darkslateblue": [72, 61, 139],
  781.     "darkslategray": [47, 79, 79],
  782.     "darkslategrey": [47, 79, 79],
  783.     "darkturquoise": [0, 206, 209],
  784.     "darkviolet": [148, 0, 211],
  785.     "deeppink": [255, 20, 147],
  786.     "deepskyblue": [0, 191, 255],
  787.     "dimgray": [105, 105, 105],
  788.     "dimgrey": [105, 105, 105],
  789.     "dodgerblue": [30, 144, 255],
  790.     "firebrick": [178, 34, 34],
  791.     "floralwhite": [255, 250, 240],
  792.     "forestgreen": [34, 139, 34],
  793.     "fuchsia": [255, 0, 255],
  794.     "gainsboro": [220, 220, 220],
  795.     "ghostwhite": [248, 248, 255],
  796.     "gold": [255, 215, 0],
  797.     "goldenrod": [218, 165, 32],
  798.     "gray": [128, 128, 128],
  799.     "green": [0, 128, 0],
  800.     "greenyellow": [173, 255, 47],
  801.     "grey": [128, 128, 128],
  802.     "honeydew": [240, 255, 240],
  803.     "hotpink": [255, 105, 180],
  804.     "indianred": [205, 92, 92],
  805.     "indigo": [75, 0, 130],
  806.     "ivory": [255, 255, 240],
  807.     "khaki": [240, 230, 140],
  808.     "lavender": [230, 230, 250],
  809.     "lavenderblush": [255, 240, 245],
  810.     "lawngreen": [124, 252, 0],
  811.     "lemonchiffon": [255, 250, 205],
  812.     "lightblue": [173, 216, 230],
  813.     "lightcoral": [240, 128, 128],
  814.     "lightcyan": [224, 255, 255],
  815.     "lightgoldenrodyellow": [250, 250, 210],
  816.     "lightgray": [211, 211, 211],
  817.     "lightgreen": [144, 238, 144],
  818.     "lightgrey": [211, 211, 211],
  819.     "lightpink": [255, 182, 193],
  820.     "lightsalmon": [255, 160, 122],
  821.     "lightseagreen": [32, 178, 170],
  822.     "lightskyblue": [135, 206, 250],
  823.     "lightslategray": [119, 136, 153],
  824.     "lightslategrey": [119, 136, 153],
  825.     "lightsteelblue": [176, 196, 222],
  826.     "lightyellow": [255, 255, 224],
  827.     "lime": [0, 255, 0],
  828.     "limegreen": [50, 205, 50],
  829.     "linen": [250, 240, 230],
  830.     "magenta": [255, 0, 255],
  831.     "maroon": [128, 0, 0],
  832.     "mediumaquamarine": [102, 205, 170],
  833.     "mediumblue": [0, 0, 205],
  834.     "mediumorchid": [186, 85, 211],
  835.     "mediumpurple": [147, 112, 219],
  836.     "mediumseagreen": [60, 179, 113],
  837.     "mediumslateblue": [123, 104, 238],
  838.     "mediumspringgreen": [0, 250, 154],
  839.     "mediumturquoise": [72, 209, 204],
  840.     "mediumvioletred": [199, 21, 133],
  841.     "midnightblue": [25, 25, 112],
  842.     "mintcream": [245, 255, 250],
  843.     "mistyrose": [255, 228, 225],
  844.     "moccasin": [255, 228, 181],
  845.     "navajowhite": [255, 222, 173],
  846.     "navy": [0, 0, 128],
  847.     "oldlace": [253, 245, 230],
  848.     "olive": [128, 128, 0],
  849.     "olivedrab": [107, 142, 35],
  850.     "orange": [255, 165, 0],
  851.     "orangered": [255, 69, 0],
  852.     "orchid": [218, 112, 214],
  853.     "palegoldenrod": [238, 232, 170],
  854.     "palegreen": [152, 251, 152],
  855.     "paleturquoise": [175, 238, 238],
  856.     "palevioletred": [219, 112, 147],
  857.     "papayawhip": [255, 239, 213],
  858.     "peachpuff": [255, 218, 185],
  859.     "peru": [205, 133, 63],
  860.     "pink": [255, 192, 203],
  861.     "plum": [221, 160, 221],
  862.     "powderblue": [176, 224, 230],
  863.     "purple": [128, 0, 128],
  864.     "rebeccapurple": [102, 51, 153],
  865.     "red": [255, 0, 0],
  866.     "rosybrown": [188, 143, 143],
  867.     "royalblue": [65, 105, 225],
  868.     "saddlebrown": [139, 69, 19],
  869.     "salmon": [250, 128, 114],
  870.     "sandybrown": [244, 164, 96],
  871.     "seagreen": [46, 139, 87],
  872.     "seashell": [255, 245, 238],
  873.     "sienna": [160, 82, 45],
  874.     "silver": [192, 192, 192],
  875.     "skyblue": [135, 206, 235],
  876.     "slateblue": [106, 90, 205],
  877.     "slategray": [112, 128, 144],
  878.     "slategrey": [112, 128, 144],
  879.     "snow": [255, 250, 250],
  880.     "springgreen": [0, 255, 127],
  881.     "steelblue": [70, 130, 180],
  882.     "tan": [210, 180, 140],
  883.     "teal": [0, 128, 128],
  884.     "thistle": [216, 191, 216],
  885.     "tomato": [255, 99, 71],
  886.     "turquoise": [64, 224, 208],
  887.     "violet": [238, 130, 238],
  888.     "wheat": [245, 222, 179],
  889.     "white": [255, 255, 255],
  890.     "whitesmoke": [245, 245, 245],
  891.     "yellow": [255, 255, 0],
  892.     "yellowgreen": [154, 205, 50]
  893. };
  894.  
  895. module.exports = Color;
  896.  
  897. },{}],4:[function(_dereq_,module,exports){
  898. var Support = _dereq_('./support');
  899. var CanvasRenderer = _dereq_('./renderers/canvas');
  900. var ImageLoader = _dereq_('./imageloader');
  901. var NodeParser = _dereq_('./nodeparser');
  902. var NodeContainer = _dereq_('./nodecontainer');
  903. var log = _dereq_('./log');
  904. var utils = _dereq_('./utils');
  905. var createWindowClone = _dereq_('./clone');
  906. var loadUrlDocument = _dereq_('./proxy').loadUrlDocument;
  907. var getBounds = utils.getBounds;
  908.  
  909. var html2canvasNodeAttribute = "data-html2canvas-node";
  910. var html2canvasCloneIndex = 0;
  911.  
  912. function html2canvas(nodeList, options) {
  913.     var index = html2canvasCloneIndex++;
  914.     options = options || {};
  915.     if (options.logging) {
  916.         log.options.logging = true;
  917.         log.options.start = Date.now();
  918.     }
  919.  
  920.     options.async = typeof(options.async) === "undefined" ? true : options.async;
  921.     options.allowTaint = typeof(options.allowTaint) === "undefined" ? false : options.allowTaint;
  922.     options.removeContainer = typeof(options.removeContainer) === "undefined" ? true : options.removeContainer;
  923.     options.javascriptEnabled = typeof(options.javascriptEnabled) === "undefined" ? false : options.javascriptEnabled;
  924.     options.imageTimeout = typeof(options.imageTimeout) === "undefined" ? 10000 : options.imageTimeout;
  925.     options.renderer = typeof(options.renderer) === "function" ? options.renderer : CanvasRenderer;
  926.     options.strict = !!options.strict;
  927.  
  928.     if (typeof(nodeList) === "string") {
  929.         if (typeof(options.proxy) !== "string") {
  930.             return Promise.reject("Proxy must be used when rendering url");
  931.         }
  932.         var width = options.width != null ? options.width : window.innerWidth;
  933.         var height = options.height != null ? options.height : window.innerHeight;
  934.         return loadUrlDocument(absoluteUrl(nodeList), options.proxy, document, width, height, options).then(function(container) {
  935.             return renderWindow(container.contentWindow.document.documentElement, container, options, width, height);
  936.         });
  937.     }
  938.  
  939.     var node = ((nodeList === undefined) ? [document.documentElement] : ((nodeList.length) ? nodeList : [nodeList]))[0];
  940.     node.setAttribute(html2canvasNodeAttribute + index, index);
  941.     return renderDocument(node.ownerDocument, options, node.ownerDocument.defaultView.innerWidth, node.ownerDocument.defaultView.innerHeight, index).then(function(canvas) {
  942.         if (typeof(options.onrendered) === "function") {
  943.             log("options.onrendered is deprecated, html2canvas returns a Promise containing the canvas");
  944.             options.onrendered(canvas);
  945.         }
  946.         return canvas;
  947.     });
  948. }
  949.  
  950. html2canvas.CanvasRenderer = CanvasRenderer;
  951. html2canvas.NodeContainer = NodeContainer;
  952. html2canvas.log = log;
  953. html2canvas.utils = utils;
  954.  
  955. var html2canvasExport = (typeof(document) === "undefined" || typeof(Object.create) !== "function" || typeof(document.createElement("canvas").getContext) !== "function") ? function() {
  956.     return Promise.reject("No canvas support");
  957. } : html2canvas;
  958.  
  959. module.exports = html2canvasExport;
  960.  
  961. if (typeof(define) === 'function' && define.amd) {
  962.     define('html2canvas', [], function() {
  963.         return html2canvasExport;
  964.     });
  965. }
  966.  
  967. function renderDocument(document, options, windowWidth, windowHeight, html2canvasIndex) {
  968.     return createWindowClone(document, document, windowWidth, windowHeight, options, document.defaultView.pageXOffset, document.defaultView.pageYOffset).then(function(container) {
  969.         log("Document cloned");
  970.         var attributeName = html2canvasNodeAttribute + html2canvasIndex;
  971.         var selector = "[" + attributeName + "='" + html2canvasIndex + "']";
  972.         document.querySelector(selector).removeAttribute(attributeName);
  973.         var clonedWindow = container.contentWindow;
  974.         var node = clonedWindow.document.querySelector(selector);
  975.         var oncloneHandler = (typeof(options.onclone) === "function") ? Promise.resolve(options.onclone(clonedWindow.document)) : Promise.resolve(true);
  976.         return oncloneHandler.then(function() {
  977.             return renderWindow(node, container, options, windowWidth, windowHeight);
  978.         });
  979.     });
  980. }
  981.  
  982. function renderWindow(node, container, options, windowWidth, windowHeight) {
  983.     var clonedWindow = container.contentWindow;
  984.     var support = new Support(clonedWindow.document);
  985.     var imageLoader = new ImageLoader(options, support);
  986.     var bounds = getBounds(node);
  987.     var width = options.type === "view" ? windowWidth : documentWidth(clonedWindow.document);
  988.     var height = options.type === "view" ? windowHeight : documentHeight(clonedWindow.document);
  989.     var renderer = new options.renderer(width, height, imageLoader, options, document);
  990.     var parser = new NodeParser(node, renderer, support, imageLoader, options);
  991.     return parser.ready.then(function() {
  992.         log("Finished rendering");
  993.         var canvas;
  994.  
  995.         if (options.type === "view") {
  996.             canvas = crop(renderer.canvas, {width: renderer.canvas.width, height: renderer.canvas.height, top: 0, left: 0, x: 0, y: 0});
  997.         } else if (node === clonedWindow.document.body || node === clonedWindow.document.documentElement || options.canvas != null) {
  998.             canvas = renderer.canvas;
  999.         } else {
  1000.             canvas = crop(renderer.canvas, {width:  options.width != null ? options.width : bounds.width, height: options.height != null ? options.height : bounds.height, top: bounds.top, left: bounds.left, x: 0, y: 0});
  1001.         }
  1002.  
  1003.         cleanupContainer(container, options);
  1004.         return canvas;
  1005.     });
  1006. }
  1007.  
  1008. function cleanupContainer(container, options) {
  1009.     if (options.removeContainer) {
  1010.         container.parentNode.removeChild(container);
  1011.         log("Cleaned up container");
  1012.     }
  1013. }
  1014.  
  1015. function crop(canvas, bounds) {
  1016.     var croppedCanvas = document.createElement("canvas");
  1017.     var x1 = Math.min(canvas.width - 1, Math.max(0, bounds.left));
  1018.     var x2 = Math.min(canvas.width, Math.max(1, bounds.left + bounds.width));
  1019.     var y1 = Math.min(canvas.height - 1, Math.max(0, bounds.top));
  1020.     var y2 = Math.min(canvas.height, Math.max(1, bounds.top + bounds.height));
  1021.     croppedCanvas.width = bounds.width;
  1022.     croppedCanvas.height =  bounds.height;
  1023.     var width = x2-x1;
  1024.     var height = y2-y1;
  1025.     log("Cropping canvas at:", "left:", bounds.left, "top:", bounds.top, "width:", width, "height:", height);
  1026.     log("Resulting crop with width", bounds.width, "and height", bounds.height, "with x", x1, "and y", y1);
  1027.     croppedCanvas.getContext("2d").drawImage(canvas, x1, y1, width, height, bounds.x, bounds.y, width, height);
  1028.     return croppedCanvas;
  1029. }
  1030.  
  1031. function documentWidth (doc) {
  1032.     return Math.max(
  1033.         Math.max(doc.body.scrollWidth, doc.documentElement.scrollWidth),
  1034.         Math.max(doc.body.offsetWidth, doc.documentElement.offsetWidth),
  1035.         Math.max(doc.body.clientWidth, doc.documentElement.clientWidth)
  1036.     );
  1037. }
  1038.  
  1039. function documentHeight (doc) {
  1040.     return Math.max(
  1041.         Math.max(doc.body.scrollHeight, doc.documentElement.scrollHeight),
  1042.         Math.max(doc.body.offsetHeight, doc.documentElement.offsetHeight),
  1043.         Math.max(doc.body.clientHeight, doc.documentElement.clientHeight)
  1044.     );
  1045. }
  1046.  
  1047. function absoluteUrl(url) {
  1048.     var link = document.createElement("a");
  1049.     link.href = url;
  1050.     link.href = link.href;
  1051.     return link;
  1052. }
  1053.  
  1054. },{"./clone":2,"./imageloader":11,"./log":13,"./nodecontainer":14,"./nodeparser":15,"./proxy":16,"./renderers/canvas":20,"./support":22,"./utils":26}],5:[function(_dereq_,module,exports){
  1055. var log = _dereq_('./log');
  1056. var smallImage = _dereq_('./utils').smallImage;
  1057.  
  1058. function DummyImageContainer(src) {
  1059.     this.src = src;
  1060.     log("DummyImageContainer for", src);
  1061.     if (!this.promise || !this.image) {
  1062.         log("Initiating DummyImageContainer");
  1063.         DummyImageContainer.prototype.image = new Image();
  1064.         var image = this.image;
  1065.         DummyImageContainer.prototype.promise = new Promise(function(resolve, reject) {
  1066.             image.onload = resolve;
  1067.             image.onerror = reject;
  1068.             image.src = smallImage();
  1069.             if (image.complete === true) {
  1070.                 resolve(image);
  1071.             }
  1072.         });
  1073.     }
  1074. }
  1075.  
  1076. module.exports = DummyImageContainer;
  1077.  
  1078. },{"./log":13,"./utils":26}],6:[function(_dereq_,module,exports){
  1079. var smallImage = _dereq_('./utils').smallImage;
  1080.  
  1081. function Font(family, size) {
  1082.     var container = document.createElement('div'),
  1083.         img = document.createElement('img'),
  1084.         span = document.createElement('span'),
  1085.         sampleText = 'Hidden Text',
  1086.         baseline,
  1087.         middle;
  1088.  
  1089.     container.style.visibility = "hidden";
  1090.     container.style.fontFamily = family;
  1091.     container.style.fontSize = size;
  1092.     container.style.margin = 0;
  1093.     container.style.padding = 0;
  1094.  
  1095.     document.body.appendChild(container);
  1096.  
  1097.     img.src = smallImage();
  1098.     img.width = 1;
  1099.     img.height = 1;
  1100.  
  1101.     img.style.margin = 0;
  1102.     img.style.padding = 0;
  1103.     img.style.verticalAlign = "baseline";
  1104.  
  1105.     span.style.fontFamily = family;
  1106.     span.style.fontSize = size;
  1107.     span.style.margin = 0;
  1108.     span.style.padding = 0;
  1109.  
  1110.     span.appendChild(document.createTextNode(sampleText));
  1111.     container.appendChild(span);
  1112.     container.appendChild(img);
  1113.     baseline = (img.offsetTop - span.offsetTop) + 1;
  1114.  
  1115.     container.removeChild(span);
  1116.     container.appendChild(document.createTextNode(sampleText));
  1117.  
  1118.     container.style.lineHeight = "normal";
  1119.     img.style.verticalAlign = "super";
  1120.  
  1121.     middle = (img.offsetTop-container.offsetTop) + 1;
  1122.  
  1123.     document.body.removeChild(container);
  1124.  
  1125.     this.baseline = baseline;
  1126.     this.lineWidth = 1;
  1127.     this.middle = middle;
  1128. }
  1129.  
  1130. module.exports = Font;
  1131.  
  1132. },{"./utils":26}],7:[function(_dereq_,module,exports){
  1133. var Font = _dereq_('./font');
  1134.  
  1135. function FontMetrics() {
  1136.     this.data = {};
  1137. }
  1138.  
  1139. FontMetrics.prototype.getMetrics = function(family, size) {
  1140.     if (this.data[family + "-" + size] === undefined) {
  1141.         this.data[family + "-" + size] = new Font(family, size);
  1142.     }
  1143.     return this.data[family + "-" + size];
  1144. };
  1145.  
  1146. module.exports = FontMetrics;
  1147.  
  1148. },{"./font":6}],8:[function(_dereq_,module,exports){
  1149. var utils = _dereq_('./utils');
  1150. var getBounds = utils.getBounds;
  1151. var loadUrlDocument = _dereq_('./proxy').loadUrlDocument;
  1152.  
  1153. function FrameContainer(container, sameOrigin, options) {
  1154.     this.image = null;
  1155.     this.src = container;
  1156.     var self = this;
  1157.     var bounds = getBounds(container);
  1158.     this.promise = (!sameOrigin ? this.proxyLoad(options.proxy, bounds, options) : new Promise(function(resolve) {
  1159.         if (container.contentWindow.document.URL === "about:blank" || container.contentWindow.document.documentElement == null) {
  1160.             container.contentWindow.onload = container.onload = function() {
  1161.                 resolve(container);
  1162.             };
  1163.         } else {
  1164.             resolve(container);
  1165.         }
  1166.     })).then(function(container) {
  1167.         var html2canvas = _dereq_('./core');
  1168.         return html2canvas(container.contentWindow.document.documentElement, {type: 'view', width: container.width, height: container.height, proxy: options.proxy, javascriptEnabled: options.javascriptEnabled, removeContainer: options.removeContainer, allowTaint: options.allowTaint, imageTimeout: options.imageTimeout / 2});
  1169.     }).then(function(canvas) {
  1170.         return self.image = canvas;
  1171.     });
  1172. }
  1173.  
  1174. FrameContainer.prototype.proxyLoad = function(proxy, bounds, options) {
  1175.     var container = this.src;
  1176.     return loadUrlDocument(container.src, proxy, container.ownerDocument, bounds.width, bounds.height, options);
  1177. };
  1178.  
  1179. module.exports = FrameContainer;
  1180.  
  1181. },{"./core":4,"./proxy":16,"./utils":26}],9:[function(_dereq_,module,exports){
  1182. function GradientContainer(imageData) {
  1183.     this.src = imageData.value;
  1184.     this.colorStops = [];
  1185.     this.type = null;
  1186.     this.x0 = 0.5;
  1187.     this.y0 = 0.5;
  1188.     this.x1 = 0.5;
  1189.     this.y1 = 0.5;
  1190.     this.promise = Promise.resolve(true);
  1191. }
  1192.  
  1193. GradientContainer.TYPES = {
  1194.     LINEAR: 1,
  1195.     RADIAL: 2
  1196. };
  1197.  
  1198. // TODO: support hsl[a], negative %/length values
  1199. // TODO: support <angle> (e.g. -?\d{1,3}(?:\.\d+)deg, etc. : https://developer.mozilla.org/docs/Web/CSS/angle )
  1200. GradientContainer.REGEXP_COLORSTOP = /^\s*(rgba?\(\s*\d{1,3},\s*\d{1,3},\s*\d{1,3}(?:,\s*[0-9\.]+)?\s*\)|[a-z]{3,20}|#[a-f0-9]{3,6})(?:\s+(\d{1,3}(?:\.\d+)?)(%|px)?)?(?:\s|$)/i;
  1201.  
  1202. module.exports = GradientContainer;
  1203.  
  1204. },{}],10:[function(_dereq_,module,exports){
  1205. function ImageContainer(src, cors) {
  1206.     this.src = src;
  1207.     this.image = new Image();
  1208.     var self = this;
  1209.     this.tainted = null;
  1210.     this.promise = new Promise(function(resolve, reject) {
  1211.         self.image.onload = resolve;
  1212.         self.image.onerror = reject;
  1213.         if (cors) {
  1214.             self.image.crossOrigin = "anonymous";
  1215.         }
  1216.         self.image.src = src;
  1217.         if (self.image.complete === true) {
  1218.             resolve(self.image);
  1219.         }
  1220.     });
  1221. }
  1222.  
  1223. module.exports = ImageContainer;
  1224.  
  1225. },{}],11:[function(_dereq_,module,exports){
  1226. var log = _dereq_('./log');
  1227. var ImageContainer = _dereq_('./imagecontainer');
  1228. var DummyImageContainer = _dereq_('./dummyimagecontainer');
  1229. var ProxyImageContainer = _dereq_('./proxyimagecontainer');
  1230. var FrameContainer = _dereq_('./framecontainer');
  1231. var SVGContainer = _dereq_('./svgcontainer');
  1232. var SVGNodeContainer = _dereq_('./svgnodecontainer');
  1233. var LinearGradientContainer = _dereq_('./lineargradientcontainer');
  1234. var WebkitGradientContainer = _dereq_('./webkitgradientcontainer');
  1235. var bind = _dereq_('./utils').bind;
  1236.  
  1237. function ImageLoader(options, support) {
  1238.     this.link = null;
  1239.     this.options = options;
  1240.     this.support = support;
  1241.     this.origin = this.getOrigin(window.location.href);
  1242. }
  1243.  
  1244. ImageLoader.prototype.findImages = function(nodes) {
  1245.     var images = [];
  1246.     nodes.reduce(function(imageNodes, container) {
  1247.         switch(container.node.nodeName) {
  1248.         case "IMG":
  1249.             return imageNodes.concat([{
  1250.                 args: [container.node.src],
  1251.                 method: "url"
  1252.             }]);
  1253.         case "svg":
  1254.         case "IFRAME":
  1255.             return imageNodes.concat([{
  1256.                 args: [container.node],
  1257.                 method: container.node.nodeName
  1258.             }]);
  1259.         }
  1260.         return imageNodes;
  1261.     }, []).forEach(this.addImage(images, this.loadImage), this);
  1262.     return images;
  1263. };
  1264.  
  1265. ImageLoader.prototype.findBackgroundImage = function(images, container) {
  1266.     container.parseBackgroundImages().filter(this.hasImageBackground).forEach(this.addImage(images, this.loadImage), this);
  1267.     return images;
  1268. };
  1269.  
  1270. ImageLoader.prototype.addImage = function(images, callback) {
  1271.     return function(newImage) {
  1272.         newImage.args.forEach(function(image) {
  1273.             if (!this.imageExists(images, image)) {
  1274.                 images.splice(0, 0, callback.call(this, newImage));
  1275.                 log('Added image #' + (images.length), typeof(image) === "string" ? image.substring(0, 100) : image);
  1276.             }
  1277.         }, this);
  1278.     };
  1279. };
  1280.  
  1281. ImageLoader.prototype.hasImageBackground = function(imageData) {
  1282.     return imageData.method !== "none";
  1283. };
  1284.  
  1285. ImageLoader.prototype.loadImage = function(imageData) {
  1286.     if (imageData.method === "url") {
  1287.         var src = imageData.args[0];
  1288.         if (this.isSVG(src) && !this.support.svg && !this.options.allowTaint) {
  1289.             return new SVGContainer(src);
  1290.         } else if (src.match(/data:image\/.*;base64,/i)) {
  1291.             return new ImageContainer(src.replace(/url\(['"]{0,}|['"]{0,}\)$/ig, ''), false);
  1292.         } else if (this.isSameOrigin(src) || this.options.allowTaint === true || this.isSVG(src)) {
  1293.             return new ImageContainer(src, false);
  1294.         } else if (this.support.cors && !this.options.allowTaint && this.options.useCORS) {
  1295.             return new ImageContainer(src, true);
  1296.         } else if (this.options.proxy) {
  1297.             return new ProxyImageContainer(src, this.options.proxy);
  1298.         } else {
  1299.             return new DummyImageContainer(src);
  1300.         }
  1301.     } else if (imageData.method === "linear-gradient") {
  1302.         return new LinearGradientContainer(imageData);
  1303.     } else if (imageData.method === "gradient") {
  1304.         return new WebkitGradientContainer(imageData);
  1305.     } else if (imageData.method === "svg") {
  1306.         return new SVGNodeContainer(imageData.args[0], this.support.svg);
  1307.     } else if (imageData.method === "IFRAME") {
  1308.         return new FrameContainer(imageData.args[0], this.isSameOrigin(imageData.args[0].src), this.options);
  1309.     } else {
  1310.         return new DummyImageContainer(imageData);
  1311.     }
  1312. };
  1313.  
  1314. ImageLoader.prototype.isSVG = function(src) {
  1315.     return src.substring(src.length - 3).toLowerCase() === "svg" || SVGContainer.prototype.isInline(src);
  1316. };
  1317.  
  1318. ImageLoader.prototype.imageExists = function(images, src) {
  1319.     return images.some(function(image) {
  1320.         return image.src === src;
  1321.     });
  1322. };
  1323.  
  1324. ImageLoader.prototype.isSameOrigin = function(url) {
  1325.     return (this.getOrigin(url) === this.origin);
  1326. };
  1327.  
  1328. ImageLoader.prototype.getOrigin = function(url) {
  1329.     var link = this.link || (this.link = document.createElement("a"));
  1330.     link.href = url;
  1331.     link.href = link.href; // IE9, LOL! - http://jsfiddle.net/niklasvh/2e48b/
  1332.     return link.protocol + link.hostname + link.port;
  1333. };
  1334.  
  1335. ImageLoader.prototype.getPromise = function(container) {
  1336.     return this.timeout(container, this.options.imageTimeout)['catch'](function() {
  1337.         var dummy = new DummyImageContainer(container.src);
  1338.         return dummy.promise.then(function(image) {
  1339.             container.image = image;
  1340.         });
  1341.     });
  1342. };
  1343.  
  1344. ImageLoader.prototype.get = function(src) {
  1345.     var found = null;
  1346.     return this.images.some(function(img) {
  1347.         return (found = img).src === src;
  1348.     }) ? found : null;
  1349. };
  1350.  
  1351. ImageLoader.prototype.fetch = function(nodes) {
  1352.     this.images = nodes.reduce(bind(this.findBackgroundImage, this), this.findImages(nodes));
  1353.     this.images.forEach(function(image, index) {
  1354.         image.promise.then(function() {
  1355.             log("Succesfully loaded image #"+ (index+1), image);
  1356.         }, function(e) {
  1357.             log("Failed loading image #"+ (index+1), image, e);
  1358.         });
  1359.     });
  1360.     this.ready = Promise.all(this.images.map(this.getPromise, this));
  1361.     log("Finished searching images");
  1362.     return this;
  1363. };
  1364.  
  1365. ImageLoader.prototype.timeout = function(container, timeout) {
  1366.     var timer;
  1367.     var promise = Promise.race([container.promise, new Promise(function(res, reject) {
  1368.         timer = setTimeout(function() {
  1369.             log("Timed out loading image", container);
  1370.             reject(container);
  1371.         }, timeout);
  1372.     })]).then(function(container) {
  1373.         clearTimeout(timer);
  1374.         return container;
  1375.     });
  1376.     promise['catch'](function() {
  1377.         clearTimeout(timer);
  1378.     });
  1379.     return promise;
  1380. };
  1381.  
  1382. module.exports = ImageLoader;
  1383.  
  1384. },{"./dummyimagecontainer":5,"./framecontainer":8,"./imagecontainer":10,"./lineargradientcontainer":12,"./log":13,"./proxyimagecontainer":17,"./svgcontainer":23,"./svgnodecontainer":24,"./utils":26,"./webkitgradientcontainer":27}],12:[function(_dereq_,module,exports){
  1385. var GradientContainer = _dereq_('./gradientcontainer');
  1386. var Color = _dereq_('./color');
  1387.  
  1388. function LinearGradientContainer(imageData) {
  1389.     GradientContainer.apply(this, arguments);
  1390.     this.type = GradientContainer.TYPES.LINEAR;
  1391.  
  1392.     var hasDirection = LinearGradientContainer.REGEXP_DIRECTION.test( imageData.args[0] ) ||
  1393.         !GradientContainer.REGEXP_COLORSTOP.test( imageData.args[0] );
  1394.  
  1395.     if (hasDirection) {
  1396.         imageData.args[0].split(/\s+/).reverse().forEach(function(position, index) {
  1397.             switch(position) {
  1398.             case "left":
  1399.                 this.x0 = 0;
  1400.                 this.x1 = 1;
  1401.                 break;
  1402.             case "top":
  1403.                 this.y0 = 0;
  1404.                 this.y1 = 1;
  1405.                 break;
  1406.             case "right":
  1407.                 this.x0 = 1;
  1408.                 this.x1 = 0;
  1409.                 break;
  1410.             case "bottom":
  1411.                 this.y0 = 1;
  1412.                 this.y1 = 0;
  1413.                 break;
  1414.             case "to":
  1415.                 var y0 = this.y0;
  1416.                 var x0 = this.x0;
  1417.                 this.y0 = this.y1;
  1418.                 this.x0 = this.x1;
  1419.                 this.x1 = x0;
  1420.                 this.y1 = y0;
  1421.                 break;
  1422.             case "center":
  1423.                 break; // centered by default
  1424.             // Firefox internally converts position keywords to percentages:
  1425.             // http://www.w3.org/TR/2010/WD-CSS2-20101207/colors.html#propdef-background-position
  1426.             default: // percentage or absolute length
  1427.                 // TODO: support absolute start point positions (e.g., use bounds to convert px to a ratio)
  1428.                 var ratio = parseFloat(position, 10) * 1e-2;
  1429.                 if (isNaN(ratio)) { // invalid or unhandled value
  1430.                     break;
  1431.                 }
  1432.                 if (index === 0) {
  1433.                     this.y0 = ratio;
  1434.                     this.y1 = 1 - this.y0;
  1435.                 } else {
  1436.                     this.x0 = ratio;
  1437.                     this.x1 = 1 - this.x0;
  1438.                 }
  1439.                 break;
  1440.             }
  1441.         }, this);
  1442.     } else {
  1443.         this.y0 = 0;
  1444.         this.y1 = 1;
  1445.     }
  1446.  
  1447.     this.colorStops = imageData.args.slice(hasDirection ? 1 : 0).map(function(colorStop) {
  1448.         var colorStopMatch = colorStop.match(GradientContainer.REGEXP_COLORSTOP);
  1449.         var value = +colorStopMatch[2];
  1450.         var unit = value === 0 ? "%" : colorStopMatch[3]; // treat "0" as "0%"
  1451.         return {
  1452.             color: new Color(colorStopMatch[1]),
  1453.             // TODO: support absolute stop positions (e.g., compute gradient line length & convert px to ratio)
  1454.             stop: unit === "%" ? value / 100 : null
  1455.         };
  1456.     });
  1457.  
  1458.     if (this.colorStops[0].stop === null) {
  1459.         this.colorStops[0].stop = 0;
  1460.     }
  1461.  
  1462.     if (this.colorStops[this.colorStops.length - 1].stop === null) {
  1463.         this.colorStops[this.colorStops.length - 1].stop = 1;
  1464.     }
  1465.  
  1466.     // calculates and fills-in explicit stop positions when omitted from rule
  1467.     this.colorStops.forEach(function(colorStop, index) {
  1468.         if (colorStop.stop === null) {
  1469.             this.colorStops.slice(index).some(function(find, count) {
  1470.                 if (find.stop !== null) {
  1471.                     colorStop.stop = ((find.stop - this.colorStops[index - 1].stop) / (count + 1)) + this.colorStops[index - 1].stop;
  1472.                     return true;
  1473.                 } else {
  1474.                     return false;
  1475.                 }
  1476.             }, this);
  1477.         }
  1478.     }, this);
  1479. }
  1480.  
  1481. LinearGradientContainer.prototype = Object.create(GradientContainer.prototype);
  1482.  
  1483. // TODO: support <angle> (e.g. -?\d{1,3}(?:\.\d+)deg, etc. : https://developer.mozilla.org/docs/Web/CSS/angle )
  1484. LinearGradientContainer.REGEXP_DIRECTION = /^\s*(?:to|left|right|top|bottom|center|\d{1,3}(?:\.\d+)?%?)(?:\s|$)/i;
  1485.  
  1486. module.exports = LinearGradientContainer;
  1487.  
  1488. },{"./color":3,"./gradientcontainer":9}],13:[function(_dereq_,module,exports){
  1489. var logger = function() {
  1490.     if (logger.options.logging && window.console && window.console.log) {
  1491.         Function.prototype.bind.call(window.console.log, (window.console)).apply(window.console, [(Date.now() - logger.options.start) + "ms", "html2canvas:"].concat([].slice.call(arguments, 0)));
  1492.     }
  1493. };
  1494.  
  1495. logger.options = {logging: false};
  1496. module.exports = logger;
  1497.  
  1498. },{}],14:[function(_dereq_,module,exports){
  1499. var Color = _dereq_('./color');
  1500. var utils = _dereq_('./utils');
  1501. var getBounds = utils.getBounds;
  1502. var parseBackgrounds = utils.parseBackgrounds;
  1503. var offsetBounds = utils.offsetBounds;
  1504.  
  1505. function NodeContainer(node, parent) {
  1506.     this.node = node;
  1507.     this.parent = parent;
  1508.     this.stack = null;
  1509.     this.bounds = null;
  1510.     this.borders = null;
  1511.     this.clip = [];
  1512.     this.backgroundClip = [];
  1513.     this.offsetBounds = null;
  1514.     this.visible = null;
  1515.     this.computedStyles = null;
  1516.     this.colors = {};
  1517.     this.styles = {};
  1518.     this.backgroundImages = null;
  1519.     this.transformData = null;
  1520.     this.transformMatrix = null;
  1521.     this.isPseudoElement = false;
  1522.     this.opacity = null;
  1523. }
  1524.  
  1525. NodeContainer.prototype.cloneTo = function(stack) {
  1526.     stack.visible = this.visible;
  1527.     stack.borders = this.borders;
  1528.     stack.bounds = this.bounds;
  1529.     stack.clip = this.clip;
  1530.     stack.backgroundClip = this.backgroundClip;
  1531.     stack.computedStyles = this.computedStyles;
  1532.     stack.styles = this.styles;
  1533.     stack.backgroundImages = this.backgroundImages;
  1534.     stack.opacity = this.opacity;
  1535. };
  1536.  
  1537. NodeContainer.prototype.getOpacity = function() {
  1538.     return this.opacity === null ? (this.opacity = this.cssFloat('opacity')) : this.opacity;
  1539. };
  1540.  
  1541. NodeContainer.prototype.assignStack = function(stack) {
  1542.     this.stack = stack;
  1543.     stack.children.push(this);
  1544. };
  1545.  
  1546. NodeContainer.prototype.isElementVisible = function() {
  1547.     return this.node.nodeType === Node.TEXT_NODE ? this.parent.visible : (
  1548.         this.css('display') !== "none" &&
  1549.         this.css('visibility') !== "hidden" &&
  1550.         !this.node.hasAttribute("data-html2canvas-ignore") &&
  1551.         (this.node.nodeName !== "INPUT" || this.node.getAttribute("type") !== "hidden")
  1552.     );
  1553. };
  1554.  
  1555. NodeContainer.prototype.css = function(attribute) {
  1556.     if (!this.computedStyles) {
  1557.         this.computedStyles = this.isPseudoElement ? this.parent.computedStyle(this.before ? ":before" : ":after") : this.computedStyle(null);
  1558.     }
  1559.  
  1560.     return this.styles[attribute] || (this.styles[attribute] = this.computedStyles[attribute]);
  1561. };
  1562.  
  1563. NodeContainer.prototype.prefixedCss = function(attribute) {
  1564.     var prefixes = ["webkit", "moz", "ms", "o"];
  1565.     var value = this.css(attribute);
  1566.     if (value === undefined) {
  1567.         prefixes.some(function(prefix) {
  1568.             value = this.css(prefix + attribute.substr(0, 1).toUpperCase() + attribute.substr(1));
  1569.             return value !== undefined;
  1570.         }, this);
  1571.     }
  1572.     return value === undefined ? null : value;
  1573. };
  1574.  
  1575. NodeContainer.prototype.computedStyle = function(type) {
  1576.     return this.node.ownerDocument.defaultView.getComputedStyle(this.node, type);
  1577. };
  1578.  
  1579. NodeContainer.prototype.cssInt = function(attribute) {
  1580.     var value = parseInt(this.css(attribute), 10);
  1581.     return (isNaN(value)) ? 0 : value; // borders in old IE are throwing 'medium' for demo.html
  1582. };
  1583.  
  1584. NodeContainer.prototype.color = function(attribute) {
  1585.     return this.colors[attribute] || (this.colors[attribute] = new Color(this.css(attribute)));
  1586. };
  1587.  
  1588. NodeContainer.prototype.cssFloat = function(attribute) {
  1589.     var value = parseFloat(this.css(attribute));
  1590.     return (isNaN(value)) ? 0 : value;
  1591. };
  1592.  
  1593. NodeContainer.prototype.fontWeight = function() {
  1594.     var weight = this.css("fontWeight");
  1595.     switch(parseInt(weight, 10)){
  1596.     case 401:
  1597.         weight = "bold";
  1598.         break;
  1599.     case 400:
  1600.         weight = "normal";
  1601.         break;
  1602.     }
  1603.     return weight;
  1604. };
  1605.  
  1606. NodeContainer.prototype.parseClip = function() {
  1607.     var matches = this.css('clip').match(this.CLIP);
  1608.     if (matches) {
  1609.         return {
  1610.             top: parseInt(matches[1], 10),
  1611.             right: parseInt(matches[2], 10),
  1612.             bottom: parseInt(matches[3], 10),
  1613.             left: parseInt(matches[4], 10)
  1614.         };
  1615.     }
  1616.     return null;
  1617. };
  1618.  
  1619. NodeContainer.prototype.parseBackgroundImages = function() {
  1620.     return this.backgroundImages || (this.backgroundImages = parseBackgrounds(this.css("backgroundImage")));
  1621. };
  1622.  
  1623. NodeContainer.prototype.cssList = function(property, index) {
  1624.     var value = (this.css(property) || '').split(',');
  1625.     value = value[index || 0] || value[0] || 'auto';
  1626.     value = value.trim().split(' ');
  1627.     if (value.length === 1) {
  1628.         value = [value[0], isPercentage(value[0]) ? 'auto' : value[0]];
  1629.     }
  1630.     return value;
  1631. };
  1632.  
  1633. NodeContainer.prototype.parseBackgroundSize = function(bounds, image, index) {
  1634.     var size = this.cssList("backgroundSize", index);
  1635.     var width, height;
  1636.  
  1637.     if (isPercentage(size[0])) {
  1638.         width = bounds.width * parseFloat(size[0]) / 100;
  1639.     } else if (/contain|cover/.test(size[0])) {
  1640.         var targetRatio = bounds.width / bounds.height, currentRatio = image.width / image.height;
  1641.         return (targetRatio < currentRatio ^ size[0] === 'contain') ?  {width: bounds.height * currentRatio, height: bounds.height} : {width: bounds.width, height: bounds.width / currentRatio};
  1642.     } else {
  1643.         width = parseInt(size[0], 10);
  1644.     }
  1645.  
  1646.     if (size[0] === 'auto' && size[1] === 'auto') {
  1647.         height = image.height;
  1648.     } else if (size[1] === 'auto') {
  1649.         height = width / image.width * image.height;
  1650.     } else if (isPercentage(size[1])) {
  1651.         height =  bounds.height * parseFloat(size[1]) / 100;
  1652.     } else {
  1653.         height = parseInt(size[1], 10);
  1654.     }
  1655.  
  1656.     if (size[0] === 'auto') {
  1657.         width = height / image.height * image.width;
  1658.     }
  1659.  
  1660.     return {width: width, height: height};
  1661. };
  1662.  
  1663. NodeContainer.prototype.parseBackgroundPosition = function(bounds, image, index, backgroundSize) {
  1664.     var position = this.cssList('backgroundPosition', index);
  1665.     var left, top;
  1666.  
  1667.     if (isPercentage(position[0])){
  1668.         left = (bounds.width - (backgroundSize || image).width) * (parseFloat(position[0]) / 100);
  1669.     } else {
  1670.         left = parseInt(position[0], 10);
  1671.     }
  1672.  
  1673.     if (position[1] === 'auto') {
  1674.         top = left / image.width * image.height;
  1675.     } else if (isPercentage(position[1])){
  1676.         top =  (bounds.height - (backgroundSize || image).height) * parseFloat(position[1]) / 100;
  1677.     } else {
  1678.         top = parseInt(position[1], 10);
  1679.     }
  1680.  
  1681.     if (position[0] === 'auto') {
  1682.         left = top / image.height * image.width;
  1683.     }
  1684.  
  1685.     return {left: left, top: top};
  1686. };
  1687.  
  1688. NodeContainer.prototype.parseBackgroundRepeat = function(index) {
  1689.     return this.cssList("backgroundRepeat", index)[0];
  1690. };
  1691.  
  1692. NodeContainer.prototype.parseTextShadows = function() {
  1693.     var textShadow = this.css("textShadow");
  1694.     var results = [];
  1695.  
  1696.     if (textShadow && textShadow !== 'none') {
  1697.         var shadows = textShadow.match(this.TEXT_SHADOW_PROPERTY);
  1698.         for (var i = 0; shadows && (i < shadows.length); i++) {
  1699.             var s = shadows[i].match(this.TEXT_SHADOW_VALUES);
  1700.             results.push({
  1701.                 color: new Color(s[0]),
  1702.                 offsetX: s[1] ? parseFloat(s[1].replace('px', '')) : 0,
  1703.                 offsetY: s[2] ? parseFloat(s[2].replace('px', '')) : 0,
  1704.                 blur: s[3] ? s[3].replace('px', '') : 0
  1705.             });
  1706.         }
  1707.     }
  1708.     return results;
  1709. };
  1710.  
  1711. NodeContainer.prototype.parseTransform = function() {
  1712.     if (!this.transformData) {
  1713.         if (this.hasTransform()) {
  1714.             var offset = this.parseBounds();
  1715.             var origin = this.prefixedCss("transformOrigin").split(" ").map(removePx).map(asFloat);
  1716.             origin[0] += offset.left;
  1717.             origin[1] += offset.top;
  1718.             this.transformData = {
  1719.                 origin: origin,
  1720.                 matrix: this.parseTransformMatrix()
  1721.             };
  1722.         } else {
  1723.             this.transformData = {
  1724.                 origin: [0, 0],
  1725.                 matrix: [1, 0, 0, 1, 0, 0]
  1726.             };
  1727.         }
  1728.     }
  1729.     return this.transformData;
  1730. };
  1731.  
  1732. NodeContainer.prototype.parseTransformMatrix = function() {
  1733.     if (!this.transformMatrix) {
  1734.         var transform = this.prefixedCss("transform");
  1735.         var matrix = transform ? parseMatrix(transform.match(this.MATRIX_PROPERTY)) : null;
  1736.         this.transformMatrix = matrix ? matrix : [1, 0, 0, 1, 0, 0];
  1737.     }
  1738.     return this.transformMatrix;
  1739. };
  1740.  
  1741. NodeContainer.prototype.parseBounds = function() {
  1742.     return this.bounds || (this.bounds = this.hasTransform() ? offsetBounds(this.node) : getBounds(this.node));
  1743. };
  1744.  
  1745. NodeContainer.prototype.hasTransform = function() {
  1746.     return this.parseTransformMatrix().join(",") !== "1,0,0,1,0,0" || (this.parent && this.parent.hasTransform());
  1747. };
  1748.  
  1749. NodeContainer.prototype.getValue = function() {
  1750.     var value = this.node.value || "";
  1751.     if (this.node.tagName === "SELECT") {
  1752.         value = selectionValue(this.node);
  1753.     } else if (this.node.type === "password") {
  1754.         value = Array(value.length + 1).join('\u2022'); // jshint ignore:line
  1755.     }
  1756.     return value.length === 0 ? (this.node.placeholder || "") : value;
  1757. };
  1758.  
  1759. NodeContainer.prototype.MATRIX_PROPERTY = /(matrix|matrix3d)\((.+)\)/;
  1760. NodeContainer.prototype.TEXT_SHADOW_PROPERTY = /((rgba|rgb)\([^\)]+\)(\s-?\d+px){0,})/g;
  1761. NodeContainer.prototype.TEXT_SHADOW_VALUES = /(-?\d+px)|(#.+)|(rgb\(.+\))|(rgba\(.+\))/g;
  1762. NodeContainer.prototype.CLIP = /^rect\((\d+)px,? (\d+)px,? (\d+)px,? (\d+)px\)$/;
  1763.  
  1764. function selectionValue(node) {
  1765.     var option = node.options[node.selectedIndex || 0];
  1766.     return option ? (option.text || "") : "";
  1767. }
  1768.  
  1769. function parseMatrix(match) {
  1770.     if (match && match[1] === "matrix") {
  1771.         return match[2].split(",").map(function(s) {
  1772.             return parseFloat(s.trim());
  1773.         });
  1774.     } else if (match && match[1] === "matrix3d") {
  1775.         var matrix3d = match[2].split(",").map(function(s) {
  1776.           return parseFloat(s.trim());
  1777.         });
  1778.         return [matrix3d[0], matrix3d[1], matrix3d[4], matrix3d[5], matrix3d[12], matrix3d[13]];
  1779.     }
  1780. }
  1781.  
  1782. function isPercentage(value) {
  1783.     return value.toString().indexOf("%") !== -1;
  1784. }
  1785.  
  1786. function removePx(str) {
  1787.     return str.replace("px", "");
  1788. }
  1789.  
  1790. function asFloat(str) {
  1791.     return parseFloat(str);
  1792. }
  1793.  
  1794. module.exports = NodeContainer;
  1795.  
  1796. },{"./color":3,"./utils":26}],15:[function(_dereq_,module,exports){
  1797. var log = _dereq_('./log');
  1798. var punycode = _dereq_('punycode');
  1799. var NodeContainer = _dereq_('./nodecontainer');
  1800. var TextContainer = _dereq_('./textcontainer');
  1801. var PseudoElementContainer = _dereq_('./pseudoelementcontainer');
  1802. var FontMetrics = _dereq_('./fontmetrics');
  1803. var Color = _dereq_('./color');
  1804. var StackingContext = _dereq_('./stackingcontext');
  1805. var utils = _dereq_('./utils');
  1806. var bind = utils.bind;
  1807. var getBounds = utils.getBounds;
  1808. var parseBackgrounds = utils.parseBackgrounds;
  1809. var offsetBounds = utils.offsetBounds;
  1810.  
  1811. function NodeParser(element, renderer, support, imageLoader, options) {
  1812.     log("Starting NodeParser");
  1813.     this.renderer = renderer;
  1814.     this.options = options;
  1815.     this.range = null;
  1816.     this.support = support;
  1817.     this.renderQueue = [];
  1818.     this.stack = new StackingContext(true, 1, element.ownerDocument, null);
  1819.     var parent = new NodeContainer(element, null);
  1820.     if (options.background) {
  1821.         renderer.rectangle(0, 0, renderer.width, renderer.height, new Color(options.background));
  1822.     }
  1823.     if (element === element.ownerDocument.documentElement) {
  1824.         // http://www.w3.org/TR/css3-background/#special-backgrounds
  1825.         var canvasBackground = new NodeContainer(parent.color('backgroundColor').isTransparent() ? element.ownerDocument.body : element.ownerDocument.documentElement, null);
  1826.         renderer.rectangle(0, 0, renderer.width, renderer.height, canvasBackground.color('backgroundColor'));
  1827.     }
  1828.     parent.visibile = parent.isElementVisible();
  1829.     this.createPseudoHideStyles(element.ownerDocument);
  1830.     this.disableAnimations(element.ownerDocument);
  1831.     this.nodes = flatten([parent].concat(this.getChildren(parent)).filter(function(container) {
  1832.         return container.visible = container.isElementVisible();
  1833.     }).map(this.getPseudoElements, this));
  1834.     this.fontMetrics = new FontMetrics();
  1835.     log("Fetched nodes, total:", this.nodes.length);
  1836.     log("Calculate overflow clips");
  1837.     this.calculateOverflowClips();
  1838.     log("Start fetching images");
  1839.     this.images = imageLoader.fetch(this.nodes.filter(isElement));
  1840.     this.ready = this.images.ready.then(bind(function() {
  1841.         log("Images loaded, starting parsing");
  1842.         log("Creating stacking contexts");
  1843.         this.createStackingContexts();
  1844.         log("Sorting stacking contexts");
  1845.         this.sortStackingContexts(this.stack);
  1846.         this.parse(this.stack);
  1847.         log("Render queue created with " + this.renderQueue.length + " items");
  1848.         return new Promise(bind(function(resolve) {
  1849.             if (!options.async) {
  1850.                 this.renderQueue.forEach(this.paint, this);
  1851.                 resolve();
  1852.             } else if (typeof(options.async) === "function") {
  1853.                 options.async.call(this, this.renderQueue, resolve);
  1854.             } else if (this.renderQueue.length > 0){
  1855.                 this.renderIndex = 0;
  1856.                 this.asyncRenderer(this.renderQueue, resolve);
  1857.             } else {
  1858.                 resolve();
  1859.             }
  1860.         }, this));
  1861.     }, this));
  1862. }
  1863.  
  1864. NodeParser.prototype.calculateOverflowClips = function() {
  1865.     this.nodes.forEach(function(container) {
  1866.         if (isElement(container)) {
  1867.             if (isPseudoElement(container)) {
  1868.                 container.appendToDOM();
  1869.             }
  1870.             container.borders = this.parseBorders(container);
  1871.             var clip = (container.css('overflow') === "hidden") ? [container.borders.clip] : [];
  1872.             var cssClip = container.parseClip();
  1873.             if (cssClip && ["absolute", "fixed"].indexOf(container.css('position')) !== -1) {
  1874.                 clip.push([["rect",
  1875.                         container.bounds.left + cssClip.left,
  1876.                         container.bounds.top + cssClip.top,
  1877.                         cssClip.right - cssClip.left,
  1878.                         cssClip.bottom - cssClip.top
  1879.                 ]]);
  1880.             }
  1881.             container.clip = hasParentClip(container) ? container.parent.clip.concat(clip) : clip;
  1882.             container.backgroundClip = (container.css('overflow') !== "hidden") ? container.clip.concat([container.borders.clip]) : container.clip;
  1883.             if (isPseudoElement(container)) {
  1884.                 container.cleanDOM();
  1885.             }
  1886.         } else if (isTextNode(container)) {
  1887.             container.clip = hasParentClip(container) ? container.parent.clip : [];
  1888.         }
  1889.         if (!isPseudoElement(container)) {
  1890.             container.bounds = null;
  1891.         }
  1892.     }, this);
  1893. };
  1894.  
  1895. function hasParentClip(container) {
  1896.     return container.parent && container.parent.clip.length;
  1897. }
  1898.  
  1899. NodeParser.prototype.asyncRenderer = function(queue, resolve, asyncTimer) {
  1900.     asyncTimer = asyncTimer || Date.now();
  1901.     this.paint(queue[this.renderIndex++]);
  1902.     if (queue.length === this.renderIndex) {
  1903.         resolve();
  1904.     } else if (asyncTimer + 20 > Date.now()) {
  1905.         this.asyncRenderer(queue, resolve, asyncTimer);
  1906.     } else {
  1907.         setTimeout(bind(function() {
  1908.             this.asyncRenderer(queue, resolve);
  1909.         }, this), 0);
  1910.     }
  1911. };
  1912.  
  1913. NodeParser.prototype.createPseudoHideStyles = function(document) {
  1914.     this.createStyles(document, '.' + PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE + ':before { content: "" !important; display: none !important; }' +
  1915.         '.' + PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER + ':after { content: "" !important; display: none !important; }');
  1916. };
  1917.  
  1918. NodeParser.prototype.disableAnimations = function(document) {
  1919.     this.createStyles(document, '* { -webkit-animation: none !important; -moz-animation: none !important; -o-animation: none !important; animation: none !important; ' +
  1920.         '-webkit-transition: none !important; -moz-transition: none !important; -o-transition: none !important; transition: none !important;}');
  1921. };
  1922.  
  1923. NodeParser.prototype.createStyles = function(document, styles) {
  1924.     var hidePseudoElements = document.createElement('style');
  1925.     hidePseudoElements.innerHTML = styles;
  1926.     document.body.appendChild(hidePseudoElements);
  1927. };
  1928.  
  1929. NodeParser.prototype.getPseudoElements = function(container) {
  1930.     var nodes = [[container]];
  1931.     if (container.node.nodeType === Node.ELEMENT_NODE) {
  1932.         var before = this.getPseudoElement(container, ":before");
  1933.         var after = this.getPseudoElement(container, ":after");
  1934.  
  1935.         if (before) {
  1936.             nodes.push(before);
  1937.         }
  1938.  
  1939.         if (after) {
  1940.             nodes.push(after);
  1941.         }
  1942.     }
  1943.     return flatten(nodes);
  1944. };
  1945.  
  1946. function toCamelCase(str) {
  1947.     return str.replace(/(\-[a-z])/g, function(match){
  1948.         return match.toUpperCase().replace('-','');
  1949.     });
  1950. }
  1951.  
  1952. NodeParser.prototype.getPseudoElement = function(container, type) {
  1953.     var style = container.computedStyle(type);
  1954.     if(!style || !style.content || style.content === "none" || style.content === "-moz-alt-content" || style.display === "none") {
  1955.         return null;
  1956.     }
  1957.  
  1958.     var content = stripQuotes(style.content);
  1959.     var isImage = content.substr(0, 3) === 'url';
  1960.     var pseudoNode = document.createElement(isImage ? 'img' : 'html2canvaspseudoelement');
  1961.     var pseudoContainer = new PseudoElementContainer(pseudoNode, container, type);
  1962.  
  1963.     for (var i = style.length-1; i >= 0; i--) {
  1964.         var property = toCamelCase(style.item(i));
  1965.         pseudoNode.style[property] = style[property];
  1966.     }
  1967.  
  1968.     pseudoNode.className = PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE + " " + PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER;
  1969.  
  1970.     if (isImage) {
  1971.         pseudoNode.src = parseBackgrounds(content)[0].args[0];
  1972.         return [pseudoContainer];
  1973.     } else {
  1974.         var text = document.createTextNode(content);
  1975.         pseudoNode.appendChild(text);
  1976.         return [pseudoContainer, new TextContainer(text, pseudoContainer)];
  1977.     }
  1978. };
  1979.  
  1980.  
  1981. NodeParser.prototype.getChildren = function(parentContainer) {
  1982.     return flatten([].filter.call(parentContainer.node.childNodes, renderableNode).map(function(node) {
  1983.         var container = [node.nodeType === Node.TEXT_NODE ? new TextContainer(node, parentContainer) : new NodeContainer(node, parentContainer)].filter(nonIgnoredElement);
  1984.         return node.nodeType === Node.ELEMENT_NODE && container.length && node.tagName !== "TEXTAREA" ? (container[0].isElementVisible() ? container.concat(this.getChildren(container[0])) : []) : container;
  1985.     }, this));
  1986. };
  1987.  
  1988. NodeParser.prototype.newStackingContext = function(container, hasOwnStacking) {
  1989.     var stack = new StackingContext(hasOwnStacking, container.getOpacity(), container.node, container.parent);
  1990.     container.cloneTo(stack);
  1991.     var parentStack = hasOwnStacking ? stack.getParentStack(this) : stack.parent.stack;
  1992.     parentStack.contexts.push(stack);
  1993.     container.stack = stack;
  1994. };
  1995.  
  1996. NodeParser.prototype.createStackingContexts = function() {
  1997.     this.nodes.forEach(function(container) {
  1998.         if (isElement(container) && (this.isRootElement(container) || hasOpacity(container) || isPositionedForStacking(container) || this.isBodyWithTransparentRoot(container) || container.hasTransform())) {
  1999.             this.newStackingContext(container, true);
  2000.         } else if (isElement(container) && ((isPositioned(container) && zIndex0(container)) || isInlineBlock(container) || isFloating(container))) {
  2001.             this.newStackingContext(container, false);
  2002.         } else {
  2003.             container.assignStack(container.parent.stack);
  2004.         }
  2005.     }, this);
  2006. };
  2007.  
  2008. NodeParser.prototype.isBodyWithTransparentRoot = function(container) {
  2009.     return container.node.nodeName === "BODY" && container.parent.color('backgroundColor').isTransparent();
  2010. };
  2011.  
  2012. NodeParser.prototype.isRootElement = function(container) {
  2013.     return container.parent === null;
  2014. };
  2015.  
  2016. NodeParser.prototype.sortStackingContexts = function(stack) {
  2017.     stack.contexts.sort(zIndexSort(stack.contexts.slice(0)));
  2018.     stack.contexts.forEach(this.sortStackingContexts, this);
  2019. };
  2020.  
  2021. NodeParser.prototype.parseTextBounds = function(container) {
  2022.     return function(text, index, textList) {
  2023.         if (container.parent.css("textDecoration").substr(0, 4) !== "none" || text.trim().length !== 0) {
  2024.             if (this.support.rangeBounds && !container.parent.hasTransform()) {
  2025.                 var offset = textList.slice(0, index).join("").length;
  2026.                 return this.getRangeBounds(container.node, offset, text.length);
  2027.             } else if (container.node && typeof(container.node.data) === "string") {
  2028.                 var replacementNode = container.node.splitText(text.length);
  2029.                 var bounds = this.getWrapperBounds(container.node, container.parent.hasTransform());
  2030.                 container.node = replacementNode;
  2031.                 return bounds;
  2032.             }
  2033.         } else if(!this.support.rangeBounds || container.parent.hasTransform()){
  2034.             container.node = container.node.splitText(text.length);
  2035.         }
  2036.         return {};
  2037.     };
  2038. };
  2039.  
  2040. NodeParser.prototype.getWrapperBounds = function(node, transform) {
  2041.     var wrapper = node.ownerDocument.createElement('html2canvaswrapper');
  2042.     var parent = node.parentNode,
  2043.         backupText = node.cloneNode(true);
  2044.  
  2045.     wrapper.appendChild(node.cloneNode(true));
  2046.     parent.replaceChild(wrapper, node);
  2047.     var bounds = transform ? offsetBounds(wrapper) : getBounds(wrapper);
  2048.     parent.replaceChild(backupText, wrapper);
  2049.     return bounds;
  2050. };
  2051.  
  2052. NodeParser.prototype.getRangeBounds = function(node, offset, length) {
  2053.     var range = this.range || (this.range = node.ownerDocument.createRange());
  2054.     range.setStart(node, offset);
  2055.     range.setEnd(node, offset + length);
  2056.     return range.getBoundingClientRect();
  2057. };
  2058.  
  2059. function ClearTransform() {}
  2060.  
  2061. NodeParser.prototype.parse = function(stack) {
  2062.     // http://www.w3.org/TR/CSS21/visuren.html#z-index
  2063.     var negativeZindex = stack.contexts.filter(negativeZIndex); // 2. the child stacking contexts with negative stack levels (most negative first).
  2064.     var descendantElements = stack.children.filter(isElement);
  2065.     var descendantNonFloats = descendantElements.filter(not(isFloating));
  2066.     var nonInlineNonPositionedDescendants = descendantNonFloats.filter(not(isPositioned)).filter(not(inlineLevel)); // 3 the in-flow, non-inline-level, non-positioned descendants.
  2067.     var nonPositionedFloats = descendantElements.filter(not(isPositioned)).filter(isFloating); // 4. the non-positioned floats.
  2068.     var inFlow = descendantNonFloats.filter(not(isPositioned)).filter(inlineLevel); // 5. the in-flow, inline-level, non-positioned descendants, including inline tables and inline blocks.
  2069.     var stackLevel0 = stack.contexts.concat(descendantNonFloats.filter(isPositioned)).filter(zIndex0); // 6. the child stacking contexts with stack level 0 and the positioned descendants with stack level 0.
  2070.     var text = stack.children.filter(isTextNode).filter(hasText);
  2071.     var positiveZindex = stack.contexts.filter(positiveZIndex); // 7. the child stacking contexts with positive stack levels (least positive first).
  2072.     negativeZindex.concat(nonInlineNonPositionedDescendants).concat(nonPositionedFloats)
  2073.         .concat(inFlow).concat(stackLevel0).concat(text).concat(positiveZindex).forEach(function(container) {
  2074.             this.renderQueue.push(container);
  2075.             if (isStackingContext(container)) {
  2076.                 this.parse(container);
  2077.                 this.renderQueue.push(new ClearTransform());
  2078.             }
  2079.         }, this);
  2080. };
  2081.  
  2082. NodeParser.prototype.paint = function(container) {
  2083.     try {
  2084.         if (container instanceof ClearTransform) {
  2085.             this.renderer.ctx.restore();
  2086.         } else if (isTextNode(container)) {
  2087.             if (isPseudoElement(container.parent)) {
  2088.                 container.parent.appendToDOM();
  2089.             }
  2090.             this.paintText(container);
  2091.             if (isPseudoElement(container.parent)) {
  2092.                 container.parent.cleanDOM();
  2093.             }
  2094.         } else {
  2095.             this.paintNode(container);
  2096.         }
  2097.     } catch(e) {
  2098.         log(e);
  2099.         if (this.options.strict) {
  2100.             throw e;
  2101.         }
  2102.     }
  2103. };
  2104.  
  2105. NodeParser.prototype.paintNode = function(container) {
  2106.     if (isStackingContext(container)) {
  2107.         this.renderer.setOpacity(container.opacity);
  2108.         this.renderer.ctx.save();
  2109.         if (container.hasTransform()) {
  2110.             this.renderer.setTransform(container.parseTransform());
  2111.         }
  2112.     }
  2113.  
  2114.     if (container.node.nodeName === "INPUT" && container.node.type === "checkbox") {
  2115.         this.paintCheckbox(container);
  2116.     } else if (container.node.nodeName === "INPUT" && container.node.type === "radio") {
  2117.         this.paintRadio(container);
  2118.     } else {
  2119.         this.paintElement(container);
  2120.     }
  2121. };
  2122.  
  2123. NodeParser.prototype.paintElement = function(container) {
  2124.     var bounds = container.parseBounds();
  2125.     this.renderer.clip(container.backgroundClip, function() {
  2126.         this.renderer.renderBackground(container, bounds, container.borders.borders.map(getWidth));
  2127.     }, this);
  2128.  
  2129.     this.renderer.clip(container.clip, function() {
  2130.         this.renderer.renderBorders(container.borders.borders);
  2131.     }, this);
  2132.  
  2133.     this.renderer.clip(container.backgroundClip, function() {
  2134.         switch (container.node.nodeName) {
  2135.         case "svg":
  2136.         case "IFRAME":
  2137.             var imgContainer = this.images.get(container.node);
  2138.             if (imgContainer) {
  2139.                 this.renderer.renderImage(container, bounds, container.borders, imgContainer);
  2140.             } else {
  2141.                 log("Error loading <" + container.node.nodeName + ">", container.node);
  2142.             }
  2143.             break;
  2144.         case "IMG":
  2145.             var imageContainer = this.images.get(container.node.src);
  2146.             if (imageContainer) {
  2147.                 this.renderer.renderImage(container, bounds, container.borders, imageContainer);
  2148.             } else {
  2149.                 log("Error loading <img>", container.node.src);
  2150.             }
  2151.             break;
  2152.         case "CANVAS":
  2153.             this.renderer.renderImage(container, bounds, container.borders, {image: container.node});
  2154.             break;
  2155.         case "SELECT":
  2156.         case "INPUT":
  2157.         case "TEXTAREA":
  2158.             this.paintFormValue(container);
  2159.             break;
  2160.         }
  2161.     }, this);
  2162. };
  2163.  
  2164. NodeParser.prototype.paintCheckbox = function(container) {
  2165.     var b = container.parseBounds();
  2166.  
  2167.     var size = Math.min(b.width, b.height);
  2168.     var bounds = {width: size - 1, height: size - 1, top: b.top, left: b.left};
  2169.     var r = [3, 3];
  2170.     var radius = [r, r, r, r];
  2171.     var borders = [1,1,1,1].map(function(w) {
  2172.         return {color: new Color('#A5A5A5'), width: w};
  2173.     });
  2174.  
  2175.     var borderPoints = calculateCurvePoints(bounds, radius, borders);
  2176.  
  2177.     this.renderer.clip(container.backgroundClip, function() {
  2178.         this.renderer.rectangle(bounds.left + 1, bounds.top + 1, bounds.width - 2, bounds.height - 2, new Color("#DEDEDE"));
  2179.         this.renderer.renderBorders(calculateBorders(borders, bounds, borderPoints, radius));
  2180.         if (container.node.checked) {
  2181.             this.renderer.font(new Color('#424242'), 'normal', 'normal', 'bold', (size - 3) + "px", 'arial');
  2182.             this.renderer.text("\u2714", bounds.left + size / 6, bounds.top + size - 1);
  2183.         }
  2184.     }, this);
  2185. };
  2186.  
  2187. NodeParser.prototype.paintRadio = function(container) {
  2188.     var bounds = container.parseBounds();
  2189.  
  2190.     var size = Math.min(bounds.width, bounds.height) - 2;
  2191.  
  2192.     this.renderer.clip(container.backgroundClip, function() {
  2193.         this.renderer.circleStroke(bounds.left + 1, bounds.top + 1, size, new Color('#DEDEDE'), 1, new Color('#A5A5A5'));
  2194.         if (container.node.checked) {
  2195.             this.renderer.circle(Math.ceil(bounds.left + size / 4) + 1, Math.ceil(bounds.top + size / 4) + 1, Math.floor(size / 2), new Color('#424242'));
  2196.         }
  2197.     }, this);
  2198. };
  2199.  
  2200. NodeParser.prototype.paintFormValue = function(container) {
  2201.     var value = container.getValue();
  2202.     if (value.length > 0) {
  2203.         var document = container.node.ownerDocument;
  2204.         var wrapper = document.createElement('html2canvaswrapper');
  2205.         var properties = ['lineHeight', 'textAlign', 'fontFamily', 'fontWeight', 'fontSize', 'color',
  2206.             'paddingLeft', 'paddingTop', 'paddingRight', 'paddingBottom',
  2207.             'width', 'height', 'borderLeftStyle', 'borderTopStyle', 'borderLeftWidth', 'borderTopWidth',
  2208.             'boxSizing', 'whiteSpace', 'wordWrap'];
  2209.  
  2210.         properties.forEach(function(property) {
  2211.             try {
  2212.                 wrapper.style[property] = container.css(property);
  2213.             } catch(e) {
  2214.                 // Older IE has issues with "border"
  2215.                 log("html2canvas: Parse: Exception caught in renderFormValue: " + e.message);
  2216.             }
  2217.         });
  2218.         var bounds = container.parseBounds();
  2219.         wrapper.style.position = "fixed";
  2220.         wrapper.style.left = bounds.left + "px";
  2221.         wrapper.style.top = bounds.top + "px";
  2222.         wrapper.textContent = value;
  2223.         document.body.appendChild(wrapper);
  2224.         this.paintText(new TextContainer(wrapper.firstChild, container));
  2225.         document.body.removeChild(wrapper);
  2226.     }
  2227. };
  2228.  
  2229. NodeParser.prototype.paintText = function(container) {
  2230.     container.applyTextTransform();
  2231.     var characters = punycode.ucs2.decode(container.node.data);
  2232.     var textList = (!this.options.letterRendering || noLetterSpacing(container)) && !hasUnicode(container.node.data) ? getWords(characters) : characters.map(function(character) {
  2233.         return punycode.ucs2.encode([character]);
  2234.     });
  2235.  
  2236.     var weight = container.parent.fontWeight();
  2237.     var size = container.parent.css('fontSize');
  2238.     var family = container.parent.css('fontFamily');
  2239.     var shadows = container.parent.parseTextShadows();
  2240.  
  2241.     this.renderer.font(container.parent.color('color'), container.parent.css('fontStyle'), container.parent.css('fontVariant'), weight, size, family);
  2242.     if (shadows.length) {
  2243.         // TODO: support multiple text shadows
  2244.         this.renderer.fontShadow(shadows[0].color, shadows[0].offsetX, shadows[0].offsetY, shadows[0].blur);
  2245.     } else {
  2246.         this.renderer.clearShadow();
  2247.     }
  2248.  
  2249.     this.renderer.clip(container.parent.clip, function() {
  2250.         textList.map(this.parseTextBounds(container), this).forEach(function(bounds, index) {
  2251.             if (bounds) {
  2252.                 this.renderer.text(textList[index], bounds.left, bounds.bottom);
  2253.                 this.renderTextDecoration(container.parent, bounds, this.fontMetrics.getMetrics(family, size));
  2254.             }
  2255.         }, this);
  2256.     }, this);
  2257. };
  2258.  
  2259. NodeParser.prototype.renderTextDecoration = function(container, bounds, metrics) {
  2260.     switch(container.css("textDecoration").split(" ")[0]) {
  2261.     case "underline":
  2262.         // Draws a line at the baseline of the font
  2263.         // TODO As some browsers display the line as more than 1px if the font-size is big, need to take that into account both in position and size
  2264.         this.renderer.rectangle(bounds.left, Math.round(bounds.top + metrics.baseline + metrics.lineWidth), bounds.width, 1, container.color("color"));
  2265.         break;
  2266.     case "overline":
  2267.         this.renderer.rectangle(bounds.left, Math.round(bounds.top), bounds.width, 1, container.color("color"));
  2268.         break;
  2269.     case "line-through":
  2270.         // TODO try and find exact position for line-through
  2271.         this.renderer.rectangle(bounds.left, Math.ceil(bounds.top + metrics.middle + metrics.lineWidth), bounds.width, 1, container.color("color"));
  2272.         break;
  2273.     }
  2274. };
  2275.  
  2276. var borderColorTransforms = {
  2277.     inset: [
  2278.         ["darken", 0.60],
  2279.         ["darken", 0.10],
  2280.         ["darken", 0.10],
  2281.         ["darken", 0.60]
  2282.     ]
  2283. };
  2284.  
  2285. NodeParser.prototype.parseBorders = function(container) {
  2286.     var nodeBounds = container.parseBounds();
  2287.     var radius = getBorderRadiusData(container);
  2288.     var borders = ["Top", "Right", "Bottom", "Left"].map(function(side, index) {
  2289.         var style = container.css('border' + side + 'Style');
  2290.         var color = container.color('border' + side + 'Color');
  2291.         if (style === "inset" && color.isBlack()) {
  2292.             color = new Color([255, 255, 255, color.a]); // this is wrong, but
  2293.         }
  2294.         var colorTransform = borderColorTransforms[style] ? borderColorTransforms[style][index] : null;
  2295.         return {
  2296.             width: container.cssInt('border' + side + 'Width'),
  2297.             color: colorTransform ? color[colorTransform[0]](colorTransform[1]) : color,
  2298.             args: null
  2299.         };
  2300.     });
  2301.     var borderPoints = calculateCurvePoints(nodeBounds, radius, borders);
  2302.  
  2303.     return {
  2304.         clip: this.parseBackgroundClip(container, borderPoints, borders, radius, nodeBounds),
  2305.         borders: calculateBorders(borders, nodeBounds, borderPoints, radius)
  2306.     };
  2307. };
  2308.  
  2309. function calculateBorders(borders, nodeBounds, borderPoints, radius) {
  2310.     return borders.map(function(border, borderSide) {
  2311.         if (border.width > 0) {
  2312.             var bx = nodeBounds.left;
  2313.             var by = nodeBounds.top;
  2314.             var bw = nodeBounds.width;
  2315.             var bh = nodeBounds.height - (borders[2].width);
  2316.  
  2317.             switch(borderSide) {
  2318.             case 0:
  2319.                 // top border
  2320.                 bh = borders[0].width;
  2321.                 border.args = drawSide({
  2322.                         c1: [bx, by],
  2323.                         c2: [bx + bw, by],
  2324.                         c3: [bx + bw - borders[1].width, by + bh],
  2325.                         c4: [bx + borders[3].width, by + bh]
  2326.                     }, radius[0], radius[1],
  2327.                     borderPoints.topLeftOuter, borderPoints.topLeftInner, borderPoints.topRightOuter, borderPoints.topRightInner);
  2328.                 break;
  2329.             case 1:
  2330.                 // right border
  2331.                 bx = nodeBounds.left + nodeBounds.width - (borders[1].width);
  2332.                 bw = borders[1].width;
  2333.  
  2334.                 border.args = drawSide({
  2335.                         c1: [bx + bw, by],
  2336.                         c2: [bx + bw, by + bh + borders[2].width],
  2337.                         c3: [bx, by + bh],
  2338.                         c4: [bx, by + borders[0].width]
  2339.                     }, radius[1], radius[2],
  2340.                     borderPoints.topRightOuter, borderPoints.topRightInner, borderPoints.bottomRightOuter, borderPoints.bottomRightInner);
  2341.                 break;
  2342.             case 2:
  2343.                 // bottom border
  2344.                 by = (by + nodeBounds.height) - (borders[2].width);
  2345.                 bh = borders[2].width;
  2346.                 border.args = drawSide({
  2347.                         c1: [bx + bw, by + bh],
  2348.                         c2: [bx, by + bh],
  2349.                         c3: [bx + borders[3].width, by],
  2350.                         c4: [bx + bw - borders[3].width, by]
  2351.                     }, radius[2], radius[3],
  2352.                     borderPoints.bottomRightOuter, borderPoints.bottomRightInner, borderPoints.bottomLeftOuter, borderPoints.bottomLeftInner);
  2353.                 break;
  2354.             case 3:
  2355.                 // left border
  2356.                 bw = borders[3].width;
  2357.                 border.args = drawSide({
  2358.                         c1: [bx, by + bh + borders[2].width],
  2359.                         c2: [bx, by],
  2360.                         c3: [bx + bw, by + borders[0].width],
  2361.                         c4: [bx + bw, by + bh]
  2362.                     }, radius[3], radius[0],
  2363.                     borderPoints.bottomLeftOuter, borderPoints.bottomLeftInner, borderPoints.topLeftOuter, borderPoints.topLeftInner);
  2364.                 break;
  2365.             }
  2366.         }
  2367.         return border;
  2368.     });
  2369. }
  2370.  
  2371. NodeParser.prototype.parseBackgroundClip = function(container, borderPoints, borders, radius, bounds) {
  2372.     var backgroundClip = container.css('backgroundClip'),
  2373.         borderArgs = [];
  2374.  
  2375.     switch(backgroundClip) {
  2376.     case "content-box":
  2377.     case "padding-box":
  2378.         parseCorner(borderArgs, radius[0], radius[1], borderPoints.topLeftInner, borderPoints.topRightInner, bounds.left + borders[3].width, bounds.top + borders[0].width);
  2379.         parseCorner(borderArgs, radius[1], radius[2], borderPoints.topRightInner, borderPoints.bottomRightInner, bounds.left + bounds.width - borders[1].width, bounds.top + borders[0].width);
  2380.         parseCorner(borderArgs, radius[2], radius[3], borderPoints.bottomRightInner, borderPoints.bottomLeftInner, bounds.left + bounds.width - borders[1].width, bounds.top + bounds.height - borders[2].width);
  2381.         parseCorner(borderArgs, radius[3], radius[0], borderPoints.bottomLeftInner, borderPoints.topLeftInner, bounds.left + borders[3].width, bounds.top + bounds.height - borders[2].width);
  2382.         break;
  2383.  
  2384.     default:
  2385.         parseCorner(borderArgs, radius[0], radius[1], borderPoints.topLeftOuter, borderPoints.topRightOuter, bounds.left, bounds.top);
  2386.         parseCorner(borderArgs, radius[1], radius[2], borderPoints.topRightOuter, borderPoints.bottomRightOuter, bounds.left + bounds.width, bounds.top);
  2387.         parseCorner(borderArgs, radius[2], radius[3], borderPoints.bottomRightOuter, borderPoints.bottomLeftOuter, bounds.left + bounds.width, bounds.top + bounds.height);
  2388.         parseCorner(borderArgs, radius[3], radius[0], borderPoints.bottomLeftOuter, borderPoints.topLeftOuter, bounds.left, bounds.top + bounds.height);
  2389.         break;
  2390.     }
  2391.  
  2392.     return borderArgs;
  2393. };
  2394.  
  2395. function getCurvePoints(x, y, r1, r2) {
  2396.     var kappa = 4 * ((Math.sqrt(2) - 1) / 3);
  2397.     var ox = (r1) * kappa, // control point offset horizontal
  2398.         oy = (r2) * kappa, // control point offset vertical
  2399.         xm = x + r1, // x-middle
  2400.         ym = y + r2; // y-middle
  2401.     return {
  2402.         topLeft: bezierCurve({x: x, y: ym}, {x: x, y: ym - oy}, {x: xm - ox, y: y}, {x: xm, y: y}),
  2403.         topRight: bezierCurve({x: x, y: y}, {x: x + ox,y: y}, {x: xm, y: ym - oy}, {x: xm, y: ym}),
  2404.         bottomRight: bezierCurve({x: xm, y: y}, {x: xm, y: y + oy}, {x: x + ox, y: ym}, {x: x, y: ym}),
  2405.         bottomLeft: bezierCurve({x: xm, y: ym}, {x: xm - ox, y: ym}, {x: x, y: y + oy}, {x: x, y:y})
  2406.     };
  2407. }
  2408.  
  2409. function calculateCurvePoints(bounds, borderRadius, borders) {
  2410.     var x = bounds.left,
  2411.         y = bounds.top,
  2412.         width = bounds.width,
  2413.         height = bounds.height,
  2414.  
  2415.         tlh = borderRadius[0][0] < width / 2 ? borderRadius[0][0] : width / 2,
  2416.         tlv = borderRadius[0][1] < height / 2 ? borderRadius[0][1] : height / 2,
  2417.         trh = borderRadius[1][0] < width / 2 ? borderRadius[1][0] : width / 2,
  2418.         trv = borderRadius[1][1] < height / 2 ? borderRadius[1][1] : height / 2,
  2419.         brh = borderRadius[2][0] < width / 2 ? borderRadius[2][0] : width / 2,
  2420.         brv = borderRadius[2][1] < height / 2 ? borderRadius[2][1] : height / 2,
  2421.         blh = borderRadius[3][0] < width / 2 ? borderRadius[3][0] : width / 2,
  2422.         blv = borderRadius[3][1] < height / 2 ? borderRadius[3][1] : height / 2;
  2423.  
  2424.     var topWidth = width - trh,
  2425.         rightHeight = height - brv,
  2426.         bottomWidth = width - brh,
  2427.         leftHeight = height - blv;
  2428.  
  2429.     return {
  2430.         topLeftOuter: getCurvePoints(x, y, tlh, tlv).topLeft.subdivide(0.5),
  2431.         topLeftInner: getCurvePoints(x + borders[3].width, y + borders[0].width, Math.max(0, tlh - borders[3].width), Math.max(0, tlv - borders[0].width)).topLeft.subdivide(0.5),
  2432.         topRightOuter: getCurvePoints(x + topWidth, y, trh, trv).topRight.subdivide(0.5),
  2433.         topRightInner: getCurvePoints(x + Math.min(topWidth, width + borders[3].width), y + borders[0].width, (topWidth > width + borders[3].width) ? 0 :trh - borders[3].width, trv - borders[0].width).topRight.subdivide(0.5),
  2434.         bottomRightOuter: getCurvePoints(x + bottomWidth, y + rightHeight, brh, brv).bottomRight.subdivide(0.5),
  2435.         bottomRightInner: getCurvePoints(x + Math.min(bottomWidth, width - borders[3].width), y + Math.min(rightHeight, height + borders[0].width), Math.max(0, brh - borders[1].width),  brv - borders[2].width).bottomRight.subdivide(0.5),
  2436.         bottomLeftOuter: getCurvePoints(x, y + leftHeight, blh, blv).bottomLeft.subdivide(0.5),
  2437.         bottomLeftInner: getCurvePoints(x + borders[3].width, y + leftHeight, Math.max(0, blh - borders[3].width), blv - borders[2].width).bottomLeft.subdivide(0.5)
  2438.     };
  2439. }
  2440.  
  2441. function bezierCurve(start, startControl, endControl, end) {
  2442.     var lerp = function (a, b, t) {
  2443.         return {
  2444.             x: a.x + (b.x - a.x) * t,
  2445.             y: a.y + (b.y - a.y) * t
  2446.         };
  2447.     };
  2448.  
  2449.     return {
  2450.         start: start,
  2451.         startControl: startControl,
  2452.         endControl: endControl,
  2453.         end: end,
  2454.         subdivide: function(t) {
  2455.             var ab = lerp(start, startControl, t),
  2456.                 bc = lerp(startControl, endControl, t),
  2457.                 cd = lerp(endControl, end, t),
  2458.                 abbc = lerp(ab, bc, t),
  2459.                 bccd = lerp(bc, cd, t),
  2460.                 dest = lerp(abbc, bccd, t);
  2461.             return [bezierCurve(start, ab, abbc, dest), bezierCurve(dest, bccd, cd, end)];
  2462.         },
  2463.         curveTo: function(borderArgs) {
  2464.             borderArgs.push(["bezierCurve", startControl.x, startControl.y, endControl.x, endControl.y, end.x, end.y]);
  2465.         },
  2466.         curveToReversed: function(borderArgs) {
  2467.             borderArgs.push(["bezierCurve", endControl.x, endControl.y, startControl.x, startControl.y, start.x, start.y]);
  2468.         }
  2469.     };
  2470. }
  2471.  
  2472. function drawSide(borderData, radius1, radius2, outer1, inner1, outer2, inner2) {
  2473.     var borderArgs = [];
  2474.  
  2475.     if (radius1[0] > 0 || radius1[1] > 0) {
  2476.         borderArgs.push(["line", outer1[1].start.x, outer1[1].start.y]);
  2477.         outer1[1].curveTo(borderArgs);
  2478.     } else {
  2479.         borderArgs.push([ "line", borderData.c1[0], borderData.c1[1]]);
  2480.     }
  2481.  
  2482.     if (radius2[0] > 0 || radius2[1] > 0) {
  2483.         borderArgs.push(["line", outer2[0].start.x, outer2[0].start.y]);
  2484.         outer2[0].curveTo(borderArgs);
  2485.         borderArgs.push(["line", inner2[0].end.x, inner2[0].end.y]);
  2486.         inner2[0].curveToReversed(borderArgs);
  2487.     } else {
  2488.         borderArgs.push(["line", borderData.c2[0], borderData.c2[1]]);
  2489.         borderArgs.push(["line", borderData.c3[0], borderData.c3[1]]);
  2490.     }
  2491.  
  2492.     if (radius1[0] > 0 || radius1[1] > 0) {
  2493.         borderArgs.push(["line", inner1[1].end.x, inner1[1].end.y]);
  2494.         inner1[1].curveToReversed(borderArgs);
  2495.     } else {
  2496.         borderArgs.push(["line", borderData.c4[0], borderData.c4[1]]);
  2497.     }
  2498.  
  2499.     return borderArgs;
  2500. }
  2501.  
  2502. function parseCorner(borderArgs, radius1, radius2, corner1, corner2, x, y) {
  2503.     if (radius1[0] > 0 || radius1[1] > 0) {
  2504.         borderArgs.push(["line", corner1[0].start.x, corner1[0].start.y]);
  2505.         corner1[0].curveTo(borderArgs);
  2506.         corner1[1].curveTo(borderArgs);
  2507.     } else {
  2508.         borderArgs.push(["line", x, y]);
  2509.     }
  2510.  
  2511.     if (radius2[0] > 0 || radius2[1] > 0) {
  2512.         borderArgs.push(["line", corner2[0].start.x, corner2[0].start.y]);
  2513.     }
  2514. }
  2515.  
  2516. function negativeZIndex(container) {
  2517.     return container.cssInt("zIndex") < 0;
  2518. }
  2519.  
  2520. function positiveZIndex(container) {
  2521.     return container.cssInt("zIndex") > 0;
  2522. }
  2523.  
  2524. function zIndex0(container) {
  2525.     return container.cssInt("zIndex") === 0;
  2526. }
  2527.  
  2528. function inlineLevel(container) {
  2529.     return ["inline", "inline-block", "inline-table"].indexOf(container.css("display")) !== -1;
  2530. }
  2531.  
  2532. function isStackingContext(container) {
  2533.     return (container instanceof StackingContext);
  2534. }
  2535.  
  2536. function hasText(container) {
  2537.     return container.node.data.trim().length > 0;
  2538. }
  2539.  
  2540. function noLetterSpacing(container) {
  2541.     return (/^(normal|none|0px)$/.test(container.parent.css("letterSpacing")));
  2542. }
  2543.  
  2544. function getBorderRadiusData(container) {
  2545.     return ["TopLeft", "TopRight", "BottomRight", "BottomLeft"].map(function(side) {
  2546.         var value = container.css('border' + side + 'Radius');
  2547.         var arr = value.split(" ");
  2548.         if (arr.length <= 1) {
  2549.             arr[1] = arr[0];
  2550.         }
  2551.         return arr.map(asInt);
  2552.     });
  2553. }
  2554.  
  2555. function renderableNode(node) {
  2556.     return (node.nodeType === Node.TEXT_NODE || node.nodeType === Node.ELEMENT_NODE);
  2557. }
  2558.  
  2559. function isPositionedForStacking(container) {
  2560.     var position = container.css("position");
  2561.     var zIndex = (["absolute", "relative", "fixed"].indexOf(position) !== -1) ? container.css("zIndex") : "auto";
  2562.     return zIndex !== "auto";
  2563. }
  2564.  
  2565. function isPositioned(container) {
  2566.     return container.css("position") !== "static";
  2567. }
  2568.  
  2569. function isFloating(container) {
  2570.     return container.css("float") !== "none";
  2571. }
  2572.  
  2573. function isInlineBlock(container) {
  2574.     return ["inline-block", "inline-table"].indexOf(container.css("display")) !== -1;
  2575. }
  2576.  
  2577. function not(callback) {
  2578.     var context = this;
  2579.     return function() {
  2580.         return !callback.apply(context, arguments);
  2581.     };
  2582. }
  2583.  
  2584. function isElement(container) {
  2585.     return container.node.nodeType === Node.ELEMENT_NODE;
  2586. }
  2587.  
  2588. function isPseudoElement(container) {
  2589.     return container.isPseudoElement === true;
  2590. }
  2591.  
  2592. function isTextNode(container) {
  2593.     return container.node.nodeType === Node.TEXT_NODE;
  2594. }
  2595.  
  2596. function zIndexSort(contexts) {
  2597.     return function(a, b) {
  2598.         return (a.cssInt("zIndex") + (contexts.indexOf(a) / contexts.length)) - (b.cssInt("zIndex") + (contexts.indexOf(b) / contexts.length));
  2599.     };
  2600. }
  2601.  
  2602. function hasOpacity(container) {
  2603.     return container.getOpacity() < 1;
  2604. }
  2605.  
  2606. function asInt(value) {
  2607.     return parseInt(value, 10);
  2608. }
  2609.  
  2610. function getWidth(border) {
  2611.     return border.width;
  2612. }
  2613.  
  2614. function nonIgnoredElement(nodeContainer) {
  2615.     return (nodeContainer.node.nodeType !== Node.ELEMENT_NODE || ["SCRIPT", "HEAD", "TITLE", "OBJECT", "BR", "OPTION"].indexOf(nodeContainer.node.nodeName) === -1);
  2616. }
  2617.  
  2618. function flatten(arrays) {
  2619.     return [].concat.apply([], arrays);
  2620. }
  2621.  
  2622. function stripQuotes(content) {
  2623.     var first = content.substr(0, 1);
  2624.     return (first === content.substr(content.length - 1) && first.match(/'|"/)) ? content.substr(1, content.length - 2) : content;
  2625. }
  2626.  
  2627. function getWords(characters) {
  2628.     var words = [], i = 0, onWordBoundary = false, word;
  2629.     while(characters.length) {
  2630.         if (isWordBoundary(characters[i]) === onWordBoundary) {
  2631.             word = characters.splice(0, i);
  2632.             if (word.length) {
  2633.                 words.push(punycode.ucs2.encode(word));
  2634.             }
  2635.             onWordBoundary =! onWordBoundary;
  2636.             i = 0;
  2637.         } else {
  2638.             i++;
  2639.         }
  2640.  
  2641.         if (i >= characters.length) {
  2642.             word = characters.splice(0, i);
  2643.             if (word.length) {
  2644.                 words.push(punycode.ucs2.encode(word));
  2645.             }
  2646.         }
  2647.     }
  2648.     return words;
  2649. }
  2650.  
  2651. function isWordBoundary(characterCode) {
  2652.     return [
  2653.         32, // <space>
  2654.         13, // \r
  2655.         10, // \n
  2656.         9, // \t
  2657.         45 // -
  2658.     ].indexOf(characterCode) !== -1;
  2659. }
  2660.  
  2661. function hasUnicode(string) {
  2662.     return (/[^\u0000-\u00ff]/).test(string);
  2663. }
  2664.  
  2665. module.exports = NodeParser;
  2666.  
  2667. },{"./color":3,"./fontmetrics":7,"./log":13,"./nodecontainer":14,"./pseudoelementcontainer":18,"./stackingcontext":21,"./textcontainer":25,"./utils":26,"punycode":1}],16:[function(_dereq_,module,exports){
  2668. var XHR = _dereq_('./xhr');
  2669. var utils = _dereq_('./utils');
  2670. var log = _dereq_('./log');
  2671. var createWindowClone = _dereq_('./clone');
  2672. var decode64 = utils.decode64;
  2673.  
  2674. function Proxy(src, proxyUrl, document) {
  2675.     var supportsCORS = ('withCredentials' in new XMLHttpRequest());
  2676.     if (!proxyUrl) {
  2677.         return Promise.reject("No proxy configured");
  2678.     }
  2679.     var callback = createCallback(supportsCORS);
  2680.     var url = createProxyUrl(proxyUrl, src, callback);
  2681.  
  2682.     return supportsCORS ? XHR(url) : (jsonp(document, url, callback).then(function(response) {
  2683.         return decode64(response.content);
  2684.     }));
  2685. }
  2686. var proxyCount = 0;
  2687.  
  2688. function ProxyURL(src, proxyUrl, document) {
  2689.     var supportsCORSImage = ('crossOrigin' in new Image());
  2690.     var callback = createCallback(supportsCORSImage);
  2691.     var url = createProxyUrl(proxyUrl, src, callback);
  2692.     return (supportsCORSImage ? Promise.resolve(url) : jsonp(document, url, callback).then(function(response) {
  2693.         return "data:" + response.type + ";base64," + response.content;
  2694.     }));
  2695. }
  2696.  
  2697. function jsonp(document, url, callback) {
  2698.     return new Promise(function(resolve, reject) {
  2699.         var s = document.createElement("script");
  2700.         var cleanup = function() {
  2701.             delete window.html2canvas.proxy[callback];
  2702.             document.body.removeChild(s);
  2703.         };
  2704.         window.html2canvas.proxy[callback] = function(response) {
  2705.             cleanup();
  2706.             resolve(response);
  2707.         };
  2708.         s.src = url;
  2709.         s.onerror = function(e) {
  2710.             cleanup();
  2711.             reject(e);
  2712.         };
  2713.         document.body.appendChild(s);
  2714.     });
  2715. }
  2716.  
  2717. function createCallback(useCORS) {
  2718.     return !useCORS ? "html2canvas_" + Date.now() + "_" + (++proxyCount) + "_" + Math.round(Math.random() * 100000) : "";
  2719. }
  2720.  
  2721. function createProxyUrl(proxyUrl, src, callback) {
  2722.     return proxyUrl + "?url=" + encodeURIComponent(src) + (callback.length ? "&callback=html2canvas.proxy." + callback : "");
  2723. }
  2724.  
  2725. function documentFromHTML(src) {
  2726.     return function(html) {
  2727.         var parser = new DOMParser(), doc;
  2728.         try {
  2729.             doc = parser.parseFromString(html, "text/html");
  2730.         } catch(e) {
  2731.             log("DOMParser not supported, falling back to createHTMLDocument");
  2732.             doc = document.implementation.createHTMLDocument("");
  2733.             try {
  2734.                 doc.open();
  2735.                 doc.write(html);
  2736.                 doc.close();
  2737.             } catch(ee) {
  2738.                 log("createHTMLDocument write not supported, falling back to document.body.innerHTML");
  2739.                 doc.body.innerHTML = html; // ie9 doesnt support writing to documentElement
  2740.             }
  2741.         }
  2742.  
  2743.         var b = doc.querySelector("base");
  2744.         if (!b || !b.href.host) {
  2745.             var base = doc.createElement("base");
  2746.             base.href = src;
  2747.             doc.head.insertBefore(base, doc.head.firstChild);
  2748.         }
  2749.  
  2750.         return doc;
  2751.     };
  2752. }
  2753.  
  2754. function loadUrlDocument(src, proxy, document, width, height, options) {
  2755.     return new Proxy(src, proxy, window.document).then(documentFromHTML(src)).then(function(doc) {
  2756.         return createWindowClone(doc, document, width, height, options, 0, 0);
  2757.     });
  2758. }
  2759.  
  2760. exports.Proxy = Proxy;
  2761. exports.ProxyURL = ProxyURL;
  2762. exports.loadUrlDocument = loadUrlDocument;
  2763.  
  2764. },{"./clone":2,"./log":13,"./utils":26,"./xhr":28}],17:[function(_dereq_,module,exports){
  2765. var ProxyURL = _dereq_('./proxy').ProxyURL;
  2766.  
  2767. function ProxyImageContainer(src, proxy) {
  2768.     var link = document.createElement("a");
  2769.     link.href = src;
  2770.     src = link.href;
  2771.     this.src = src;
  2772.     this.image = new Image();
  2773.     var self = this;
  2774.     this.promise = new Promise(function(resolve, reject) {
  2775.         self.image.crossOrigin = "Anonymous";
  2776.         self.image.onload = resolve;
  2777.         self.image.onerror = reject;
  2778.  
  2779.         new ProxyURL(src, proxy, document).then(function(url) {
  2780.             self.image.src = url;
  2781.         })['catch'](reject);
  2782.     });
  2783. }
  2784.  
  2785. module.exports = ProxyImageContainer;
  2786.  
  2787. },{"./proxy":16}],18:[function(_dereq_,module,exports){
  2788. var NodeContainer = _dereq_('./nodecontainer');
  2789.  
  2790. function PseudoElementContainer(node, parent, type) {
  2791.     NodeContainer.call(this, node, parent);
  2792.     this.isPseudoElement = true;
  2793.     this.before = type === ":before";
  2794. }
  2795.  
  2796. PseudoElementContainer.prototype.cloneTo = function(stack) {
  2797.     PseudoElementContainer.prototype.cloneTo.call(this, stack);
  2798.     stack.isPseudoElement = true;
  2799.     stack.before = this.before;
  2800. };
  2801.  
  2802. PseudoElementContainer.prototype = Object.create(NodeContainer.prototype);
  2803.  
  2804. PseudoElementContainer.prototype.appendToDOM = function() {
  2805.     if (this.before) {
  2806.         this.parent.node.insertBefore(this.node, this.parent.node.firstChild);
  2807.     } else {
  2808.         this.parent.node.appendChild(this.node);
  2809.     }
  2810.     this.parent.node.className += " " + this.getHideClass();
  2811. };
  2812.  
  2813. PseudoElementContainer.prototype.cleanDOM = function() {
  2814.     this.node.parentNode.removeChild(this.node);
  2815.     this.parent.node.className = this.parent.node.className.replace(this.getHideClass(), "");
  2816. };
  2817.  
  2818. PseudoElementContainer.prototype.getHideClass = function() {
  2819.     return this["PSEUDO_HIDE_ELEMENT_CLASS_" + (this.before ? "BEFORE" : "AFTER")];
  2820. };
  2821.  
  2822. PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE = "___html2canvas___pseudoelement_before";
  2823. PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER = "___html2canvas___pseudoelement_after";
  2824.  
  2825. module.exports = PseudoElementContainer;
  2826.  
  2827. },{"./nodecontainer":14}],19:[function(_dereq_,module,exports){
  2828. var log = _dereq_('./log');
  2829.  
  2830. function Renderer(width, height, images, options, document) {
  2831.     this.width = width;
  2832.     this.height = height;
  2833.     this.images = images;
  2834.     this.options = options;
  2835.     this.document = document;
  2836. }
  2837.  
  2838. Renderer.prototype.renderImage = function(container, bounds, borderData, imageContainer) {
  2839.     var paddingLeft = container.cssInt('paddingLeft'),
  2840.         paddingTop = container.cssInt('paddingTop'),
  2841.         paddingRight = container.cssInt('paddingRight'),
  2842.         paddingBottom = container.cssInt('paddingBottom'),
  2843.         borders = borderData.borders;
  2844.  
  2845.     var width = bounds.width - (borders[1].width + borders[3].width + paddingLeft + paddingRight);
  2846.     var height = bounds.height - (borders[0].width + borders[2].width + paddingTop + paddingBottom);
  2847.     this.drawImage(
  2848.         imageContainer,
  2849.         0,
  2850.         0,
  2851.         imageContainer.image.width || width,
  2852.         imageContainer.image.height || height,
  2853.         bounds.left + paddingLeft + borders[3].width,
  2854.         bounds.top + paddingTop + borders[0].width,
  2855.         width,
  2856.         height
  2857.     );
  2858. };
  2859.  
  2860. Renderer.prototype.renderBackground = function(container, bounds, borderData) {
  2861.     if (bounds.height > 0 && bounds.width > 0) {
  2862.         this.renderBackgroundColor(container, bounds);
  2863.         this.renderBackgroundImage(container, bounds, borderData);
  2864.     }
  2865. };
  2866.  
  2867. Renderer.prototype.renderBackgroundColor = function(container, bounds) {
  2868.     var color = container.color("backgroundColor");
  2869.     if (!color.isTransparent()) {
  2870.         this.rectangle(bounds.left, bounds.top, bounds.width, bounds.height, color);
  2871.     }
  2872. };
  2873.  
  2874. Renderer.prototype.renderBorders = function(borders) {
  2875.     borders.forEach(this.renderBorder, this);
  2876. };
  2877.  
  2878. Renderer.prototype.renderBorder = function(data) {
  2879.     if (!data.color.isTransparent() && data.args !== null) {
  2880.         this.drawShape(data.args, data.color);
  2881.     }
  2882. };
  2883.  
  2884. Renderer.prototype.renderBackgroundImage = function(container, bounds, borderData) {
  2885.     var backgroundImages = container.parseBackgroundImages();
  2886.     backgroundImages.reverse().forEach(function(backgroundImage, index, arr) {
  2887.         switch(backgroundImage.method) {
  2888.         case "url":
  2889.             var image = this.images.get(backgroundImage.args[0]);
  2890.             if (image) {
  2891.                 this.renderBackgroundRepeating(container, bounds, image, arr.length - (index+1), borderData);
  2892.             } else {
  2893.                 log("Error loading background-image", backgroundImage.args[0]);
  2894.             }
  2895.             break;
  2896.         case "linear-gradient":
  2897.         case "gradient":
  2898.             var gradientImage = this.images.get(backgroundImage.value);
  2899.             if (gradientImage) {
  2900.                 this.renderBackgroundGradient(gradientImage, bounds, borderData);
  2901.             } else {
  2902.                 log("Error loading background-image", backgroundImage.args[0]);
  2903.             }
  2904.             break;
  2905.         case "none":
  2906.             break;
  2907.         default:
  2908.             log("Unknown background-image type", backgroundImage.args[0]);
  2909.         }
  2910.     }, this);
  2911. };
  2912.  
  2913. Renderer.prototype.renderBackgroundRepeating = function(container, bounds, imageContainer, index, borderData) {
  2914.     var size = container.parseBackgroundSize(bounds, imageContainer.image, index);
  2915.     var position = container.parseBackgroundPosition(bounds, imageContainer.image, index, size);
  2916.     var repeat = container.parseBackgroundRepeat(index);
  2917.     switch (repeat) {
  2918.     case "repeat-x":
  2919.     case "repeat no-repeat":
  2920.         this.backgroundRepeatShape(imageContainer, position, size, bounds, bounds.left + borderData[3], bounds.top + position.top + borderData[0], 99999, size.height, borderData);
  2921.         break;
  2922.     case "repeat-y":
  2923.     case "no-repeat repeat":
  2924.         this.backgroundRepeatShape(imageContainer, position, size, bounds, bounds.left + position.left + borderData[3], bounds.top + borderData[0], size.width, 99999, borderData);
  2925.         break;
  2926.     case "no-repeat":
  2927.         this.backgroundRepeatShape(imageContainer, position, size, bounds, bounds.left + position.left + borderData[3], bounds.top + position.top + borderData[0], size.width, size.height, borderData);
  2928.         break;
  2929.     default:
  2930.         this.renderBackgroundRepeat(imageContainer, position, size, {top: bounds.top, left: bounds.left}, borderData[3], borderData[0]);
  2931.         break;
  2932.     }
  2933. };
  2934.  
  2935. module.exports = Renderer;
  2936.  
  2937. },{"./log":13}],20:[function(_dereq_,module,exports){
  2938. var Renderer = _dereq_('../renderer');
  2939. var LinearGradientContainer = _dereq_('../lineargradientcontainer');
  2940. var log = _dereq_('../log');
  2941.  
  2942. function CanvasRenderer(width, height) {
  2943.     Renderer.apply(this, arguments);
  2944.     this.canvas = this.options.canvas || this.document.createElement("canvas");
  2945.     if (!this.options.canvas) {
  2946.         this.canvas.width = width;
  2947.         this.canvas.height = height;
  2948.     }
  2949.     this.ctx = this.canvas.getContext("2d");
  2950.     this.taintCtx = this.document.createElement("canvas").getContext("2d");
  2951.     this.ctx.textBaseline = "bottom";
  2952.     this.variables = {};
  2953.     log("Initialized CanvasRenderer with size", width, "x", height);
  2954. }
  2955.  
  2956. CanvasRenderer.prototype = Object.create(Renderer.prototype);
  2957.  
  2958. CanvasRenderer.prototype.setFillStyle = function(fillStyle) {
  2959.     this.ctx.fillStyle = typeof(fillStyle) === "object" && !!fillStyle.isColor ? fillStyle.toString() : fillStyle;
  2960.     return this.ctx;
  2961. };
  2962.  
  2963. CanvasRenderer.prototype.rectangle = function(left, top, width, height, color) {
  2964.     this.setFillStyle(color).fillRect(left, top, width, height);
  2965. };
  2966.  
  2967. CanvasRenderer.prototype.circle = function(left, top, size, color) {
  2968.     this.setFillStyle(color);
  2969.     this.ctx.beginPath();
  2970.     this.ctx.arc(left + size / 2, top + size / 2, size / 2, 0, Math.PI*2, true);
  2971.     this.ctx.closePath();
  2972.     this.ctx.fill();
  2973. };
  2974.  
  2975. CanvasRenderer.prototype.circleStroke = function(left, top, size, color, stroke, strokeColor) {
  2976.     this.circle(left, top, size, color);
  2977.     this.ctx.strokeStyle = strokeColor.toString();
  2978.     this.ctx.stroke();
  2979. };
  2980.  
  2981. CanvasRenderer.prototype.drawShape = function(shape, color) {
  2982.     this.shape(shape);
  2983.     this.setFillStyle(color).fill();
  2984. };
  2985.  
  2986. CanvasRenderer.prototype.taints = function(imageContainer) {
  2987.     if (imageContainer.tainted === null) {
  2988.         this.taintCtx.drawImage(imageContainer.image, 0, 0);
  2989.         try {
  2990.             this.taintCtx.getImageData(0, 0, 1, 1);
  2991.             imageContainer.tainted = false;
  2992.         } catch(e) {
  2993.             this.taintCtx = document.createElement("canvas").getContext("2d");
  2994.             imageContainer.tainted = true;
  2995.         }
  2996.     }
  2997.  
  2998.     return imageContainer.tainted;
  2999. };
  3000.  
  3001. CanvasRenderer.prototype.drawImage = function(imageContainer, sx, sy, sw, sh, dx, dy, dw, dh) {
  3002.     if (!this.taints(imageContainer) || this.options.allowTaint) {
  3003.         this.ctx.drawImage(imageContainer.image, sx, sy, sw, sh, dx, dy, dw, dh);
  3004.     }
  3005. };
  3006.  
  3007. CanvasRenderer.prototype.clip = function(shapes, callback, context) {
  3008.     this.ctx.save();
  3009.     shapes.filter(hasEntries).forEach(function(shape) {
  3010.         this.shape(shape).clip();
  3011.     }, this);
  3012.     callback.call(context);
  3013.     this.ctx.restore();
  3014. };
  3015.  
  3016. CanvasRenderer.prototype.shape = function(shape) {
  3017.     this.ctx.beginPath();
  3018.     shape.forEach(function(point, index) {
  3019.         if (point[0] === "rect") {
  3020.             this.ctx.rect.apply(this.ctx, point.slice(1));
  3021.         } else {
  3022.             this.ctx[(index === 0) ? "moveTo" : point[0] + "To" ].apply(this.ctx, point.slice(1));
  3023.         }
  3024.     }, this);
  3025.     this.ctx.closePath();
  3026.     return this.ctx;
  3027. };
  3028.  
  3029. CanvasRenderer.prototype.font = function(color, style, variant, weight, size, family) {
  3030.     this.setFillStyle(color).font = [style, variant, weight, size, family].join(" ").split(",")[0];
  3031. };
  3032.  
  3033. CanvasRenderer.prototype.fontShadow = function(color, offsetX, offsetY, blur) {
  3034.     this.setVariable("shadowColor", color.toString())
  3035.         .setVariable("shadowOffsetY", offsetX)
  3036.         .setVariable("shadowOffsetX", offsetY)
  3037.         .setVariable("shadowBlur", blur);
  3038. };
  3039.  
  3040. CanvasRenderer.prototype.clearShadow = function() {
  3041.     this.setVariable("shadowColor", "rgba(0,0,0,0)");
  3042. };
  3043.  
  3044. CanvasRenderer.prototype.setOpacity = function(opacity) {
  3045.     this.ctx.globalAlpha = opacity;
  3046. };
  3047.  
  3048. CanvasRenderer.prototype.setTransform = function(transform) {
  3049.     this.ctx.translate(transform.origin[0], transform.origin[1]);
  3050.     this.ctx.transform.apply(this.ctx, transform.matrix);
  3051.     this.ctx.translate(-transform.origin[0], -transform.origin[1]);
  3052. };
  3053.  
  3054. CanvasRenderer.prototype.setVariable = function(property, value) {
  3055.     if (this.variables[property] !== value) {
  3056.         this.variables[property] = this.ctx[property] = value;
  3057.     }
  3058.  
  3059.     return this;
  3060. };
  3061.  
  3062. CanvasRenderer.prototype.text = function(text, left, bottom) {
  3063.     this.ctx.fillText(text, left, bottom);
  3064. };
  3065.  
  3066. CanvasRenderer.prototype.backgroundRepeatShape = function(imageContainer, backgroundPosition, size, bounds, left, top, width, height, borderData) {
  3067.     var shape = [
  3068.         ["line", Math.round(left), Math.round(top)],
  3069.         ["line", Math.round(left + width), Math.round(top)],
  3070.         ["line", Math.round(left + width), Math.round(height + top)],
  3071.         ["line", Math.round(left), Math.round(height + top)]
  3072.     ];
  3073.     this.clip([shape], function() {
  3074.         this.renderBackgroundRepeat(imageContainer, backgroundPosition, size, bounds, borderData[3], borderData[0]);
  3075.     }, this);
  3076. };
  3077.  
  3078. CanvasRenderer.prototype.renderBackgroundRepeat = function(imageContainer, backgroundPosition, size, bounds, borderLeft, borderTop) {
  3079.     var offsetX = Math.round(bounds.left + backgroundPosition.left + borderLeft), offsetY = Math.round(bounds.top + backgroundPosition.top + borderTop);
  3080.     this.setFillStyle(this.ctx.createPattern(this.resizeImage(imageContainer, size), "repeat"));
  3081.     this.ctx.translate(offsetX, offsetY);
  3082.     this.ctx.fill();
  3083.     this.ctx.translate(-offsetX, -offsetY);
  3084. };
  3085.  
  3086. CanvasRenderer.prototype.renderBackgroundGradient = function(gradientImage, bounds) {
  3087.     if (gradientImage instanceof LinearGradientContainer) {
  3088.         var gradient = this.ctx.createLinearGradient(
  3089.             bounds.left + bounds.width * gradientImage.x0,
  3090.             bounds.top + bounds.height * gradientImage.y0,
  3091.             bounds.left +  bounds.width * gradientImage.x1,
  3092.             bounds.top +  bounds.height * gradientImage.y1);
  3093.         gradientImage.colorStops.forEach(function(colorStop) {
  3094.             gradient.addColorStop(colorStop.stop, colorStop.color.toString());
  3095.         });
  3096.         this.rectangle(bounds.left, bounds.top, bounds.width, bounds.height, gradient);
  3097.     }
  3098. };
  3099.  
  3100. CanvasRenderer.prototype.resizeImage = function(imageContainer, size) {
  3101.     var image = imageContainer.image;
  3102.     if(image.width === size.width && image.height === size.height) {
  3103.         return image;
  3104.     }
  3105.  
  3106.     var ctx, canvas = document.createElement('canvas');
  3107.     canvas.width = size.width;
  3108.     canvas.height = size.height;
  3109.     ctx = canvas.getContext("2d");
  3110.     ctx.drawImage(image, 0, 0, image.width, image.height, 0, 0, size.width, size.height );
  3111.     return canvas;
  3112. };
  3113.  
  3114. function hasEntries(array) {
  3115.     return array.length > 0;
  3116. }
  3117.  
  3118. module.exports = CanvasRenderer;
  3119.  
  3120. },{"../lineargradientcontainer":12,"../log":13,"../renderer":19}],21:[function(_dereq_,module,exports){
  3121. var NodeContainer = _dereq_('./nodecontainer');
  3122.  
  3123. function StackingContext(hasOwnStacking, opacity, element, parent) {
  3124.     NodeContainer.call(this, element, parent);
  3125.     this.ownStacking = hasOwnStacking;
  3126.     this.contexts = [];
  3127.     this.children = [];
  3128.     this.opacity = (this.parent ? this.parent.stack.opacity : 1) * opacity;
  3129. }
  3130.  
  3131. StackingContext.prototype = Object.create(NodeContainer.prototype);
  3132.  
  3133. StackingContext.prototype.getParentStack = function(context) {
  3134.     var parentStack = (this.parent) ? this.parent.stack : null;
  3135.     return parentStack ? (parentStack.ownStacking ? parentStack : parentStack.getParentStack(context)) : context.stack;
  3136. };
  3137.  
  3138. module.exports = StackingContext;
  3139.  
  3140. },{"./nodecontainer":14}],22:[function(_dereq_,module,exports){
  3141. function Support(document) {
  3142.     this.rangeBounds = this.testRangeBounds(document);
  3143.     this.cors = this.testCORS();
  3144.     this.svg = this.testSVG();
  3145. }
  3146.  
  3147. Support.prototype.testRangeBounds = function(document) {
  3148.     var range, testElement, rangeBounds, rangeHeight, support = false;
  3149.  
  3150.     if (document.createRange) {
  3151.         range = document.createRange();
  3152.         if (range.getBoundingClientRect) {
  3153.             testElement = document.createElement('boundtest');
  3154.             testElement.style.height = "123px";
  3155.             testElement.style.display = "block";
  3156.             document.body.appendChild(testElement);
  3157.  
  3158.             range.selectNode(testElement);
  3159.             rangeBounds = range.getBoundingClientRect();
  3160.             rangeHeight = rangeBounds.height;
  3161.  
  3162.             if (rangeHeight === 123) {
  3163.                 support = true;
  3164.             }
  3165.             document.body.removeChild(testElement);
  3166.         }
  3167.     }
  3168.  
  3169.     return support;
  3170. };
  3171.  
  3172. Support.prototype.testCORS = function() {
  3173.     return typeof((new Image()).crossOrigin) !== "undefined";
  3174. };
  3175.  
  3176. Support.prototype.testSVG = function() {
  3177.     var img = new Image();
  3178.     var canvas = document.createElement("canvas");
  3179.     var ctx =  canvas.getContext("2d");
  3180.     img.src = "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg'></svg>";
  3181.  
  3182.     try {
  3183.         ctx.drawImage(img, 0, 0);
  3184.         canvas.toDataURL();
  3185.     } catch(e) {
  3186.         return false;
  3187.     }
  3188.     return true;
  3189. };
  3190.  
  3191. module.exports = Support;
  3192.  
  3193. },{}],23:[function(_dereq_,module,exports){
  3194. var XHR = _dereq_('./xhr');
  3195. var decode64 = _dereq_('./utils').decode64;
  3196.  
  3197. function SVGContainer(src) {
  3198.     this.src = src;
  3199.     this.image = null;
  3200.     var self = this;
  3201.  
  3202.     this.promise = this.hasFabric().then(function() {
  3203.         return (self.isInline(src) ? Promise.resolve(self.inlineFormatting(src)) : XHR(src));
  3204.     }).then(function(svg) {
  3205.         return new Promise(function(resolve) {
  3206.             window.html2canvas.svg.fabric.loadSVGFromString(svg, self.createCanvas.call(self, resolve));
  3207.         });
  3208.     });
  3209. }
  3210.  
  3211. SVGContainer.prototype.hasFabric = function() {
  3212.     return !window.html2canvas.svg || !window.html2canvas.svg.fabric ? Promise.reject(new Error("html2canvas.svg.js is not loaded, cannot render svg")) : Promise.resolve();
  3213. };
  3214.  
  3215. SVGContainer.prototype.inlineFormatting = function(src) {
  3216.     return (/^data:image\/svg\+xml;base64,/.test(src)) ? this.decode64(this.removeContentType(src)) : this.removeContentType(src);
  3217. };
  3218.  
  3219. SVGContainer.prototype.removeContentType = function(src) {
  3220.     return src.replace(/^data:image\/svg\+xml(;base64)?,/,'');
  3221. };
  3222.  
  3223. SVGContainer.prototype.isInline = function(src) {
  3224.     return (/^data:image\/svg\+xml/i.test(src));
  3225. };
  3226.  
  3227. SVGContainer.prototype.createCanvas = function(resolve) {
  3228.     var self = this;
  3229.     return function (objects, options) {
  3230.         var canvas = new window.html2canvas.svg.fabric.StaticCanvas('c');
  3231.         self.image = canvas.lowerCanvasEl;
  3232.         canvas
  3233.             .setWidth(options.width)
  3234.             .setHeight(options.height)
  3235.             .add(window.html2canvas.svg.fabric.util.groupSVGElements(objects, options))
  3236.             .renderAll();
  3237.         resolve(canvas.lowerCanvasEl);
  3238.     };
  3239. };
  3240.  
  3241. SVGContainer.prototype.decode64 = function(str) {
  3242.     return (typeof(window.atob) === "function") ? window.atob(str) : decode64(str);
  3243. };
  3244.  
  3245. module.exports = SVGContainer;
  3246.  
  3247. },{"./utils":26,"./xhr":28}],24:[function(_dereq_,module,exports){
  3248. var SVGContainer = _dereq_('./svgcontainer');
  3249.  
  3250. function SVGNodeContainer(node, _native) {
  3251.     this.src = node;
  3252.     this.image = null;
  3253.     var self = this;
  3254.  
  3255.     this.promise = _native ? new Promise(function(resolve, reject) {
  3256.         self.image = new Image();
  3257.         self.image.onload = resolve;
  3258.         self.image.onerror = reject;
  3259.         self.image.src = "data:image/svg+xml," + (new XMLSerializer()).serializeToString(node);
  3260.         if (self.image.complete === true) {
  3261.             resolve(self.image);
  3262.         }
  3263.     }) : this.hasFabric().then(function() {
  3264.         return new Promise(function(resolve) {
  3265.             window.html2canvas.svg.fabric.parseSVGDocument(node, self.createCanvas.call(self, resolve));
  3266.         });
  3267.     });
  3268. }
  3269.  
  3270. SVGNodeContainer.prototype = Object.create(SVGContainer.prototype);
  3271.  
  3272. module.exports = SVGNodeContainer;
  3273.  
  3274. },{"./svgcontainer":23}],25:[function(_dereq_,module,exports){
  3275. var NodeContainer = _dereq_('./nodecontainer');
  3276.  
  3277. function TextContainer(node, parent) {
  3278.     NodeContainer.call(this, node, parent);
  3279. }
  3280.  
  3281. TextContainer.prototype = Object.create(NodeContainer.prototype);
  3282.  
  3283. TextContainer.prototype.applyTextTransform = function() {
  3284.     this.node.data = this.transform(this.parent.css("textTransform"));
  3285. };
  3286.  
  3287. TextContainer.prototype.transform = function(transform) {
  3288.     var text = this.node.data;
  3289.     switch(transform){
  3290.         case "lowercase":
  3291.             return text.toLowerCase();
  3292.         case "capitalize":
  3293.             return text.replace(/(^|\s|:|-|\(|\))([a-z])/g, capitalize);
  3294.         case "uppercase":
  3295.             return text.toUpperCase();
  3296.         default:
  3297.             return text;
  3298.     }
  3299. };
  3300.  
  3301. function capitalize(m, p1, p2) {
  3302.     if (m.length > 0) {
  3303.         return p1 + p2.toUpperCase();
  3304.     }
  3305. }
  3306.  
  3307. module.exports = TextContainer;
  3308.  
  3309. },{"./nodecontainer":14}],26:[function(_dereq_,module,exports){
  3310. exports.smallImage = function smallImage() {
  3311.     return "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";
  3312. };
  3313.  
  3314. exports.bind = function(callback, context) {
  3315.     return function() {
  3316.         return callback.apply(context, arguments);
  3317.     };
  3318. };
  3319.  
  3320. /*
  3321.  * base64-arraybuffer
  3322.  * https://github.com/niklasvh/base64-arraybuffer
  3323.  *
  3324.  * Copyright (c) 2012 Niklas von Hertzen
  3325.  * Licensed under the MIT license.
  3326.  */
  3327.  
  3328. exports.decode64 = function(base64) {
  3329.     var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  3330.     var len = base64.length, i, encoded1, encoded2, encoded3, encoded4, byte1, byte2, byte3;
  3331.  
  3332.     var output = "";
  3333.  
  3334.     for (i = 0; i < len; i+=4) {
  3335.         encoded1 = chars.indexOf(base64[i]);
  3336.         encoded2 = chars.indexOf(base64[i+1]);
  3337.         encoded3 = chars.indexOf(base64[i+2]);
  3338.         encoded4 = chars.indexOf(base64[i+3]);
  3339.  
  3340.         byte1 = (encoded1 << 2) | (encoded2 >> 4);
  3341.         byte2 = ((encoded2 & 15) << 4) | (encoded3 >> 2);
  3342.         byte3 = ((encoded3 & 3) << 6) | encoded4;
  3343.         if (encoded3 === 64) {
  3344.             output += String.fromCharCode(byte1);
  3345.         } else if (encoded4 === 64 || encoded4 === -1) {
  3346.             output += String.fromCharCode(byte1, byte2);
  3347.         } else{
  3348.             output += String.fromCharCode(byte1, byte2, byte3);
  3349.         }
  3350.     }
  3351.  
  3352.     return output;
  3353. };
  3354.  
  3355. exports.getBounds = function(node) {
  3356.     if (node.getBoundingClientRect) {
  3357.         var clientRect = node.getBoundingClientRect();
  3358.         var width = node.offsetWidth == null ? clientRect.width : node.offsetWidth;
  3359.         return {
  3360.             top: clientRect.top,
  3361.             bottom: clientRect.bottom || (clientRect.top + clientRect.height),
  3362.             right: clientRect.left + width,
  3363.             left: clientRect.left,
  3364.             width:  width,
  3365.             height: node.offsetHeight == null ? clientRect.height : node.offsetHeight
  3366.         };
  3367.     }
  3368.     return {};
  3369. };
  3370.  
  3371. exports.offsetBounds = function(node) {
  3372.     var parent = node.offsetParent ? exports.offsetBounds(node.offsetParent) : {top: 0, left: 0};
  3373.  
  3374.     return {
  3375.         top: node.offsetTop + parent.top,
  3376.         bottom: node.offsetTop + node.offsetHeight + parent.top,
  3377.         right: node.offsetLeft + parent.left + node.offsetWidth,
  3378.         left: node.offsetLeft + parent.left,
  3379.         width: node.offsetWidth,
  3380.         height: node.offsetHeight
  3381.     };
  3382. };
  3383.  
  3384. exports.parseBackgrounds = function(backgroundImage) {
  3385.     var whitespace = ' \r\n\t',
  3386.         method, definition, prefix, prefix_i, block, results = [],
  3387.         mode = 0, numParen = 0, quote, args;
  3388.     var appendResult = function() {
  3389.         if(method) {
  3390.             if (definition.substr(0, 1) === '"') {
  3391.                 definition = definition.substr(1, definition.length - 2);
  3392.             }
  3393.             if (definition) {
  3394.                 args.push(definition);
  3395.             }
  3396.             if (method.substr(0, 1) === '-' && (prefix_i = method.indexOf('-', 1 ) + 1) > 0) {
  3397.                 prefix = method.substr(0, prefix_i);
  3398.                 method = method.substr(prefix_i);
  3399.             }
  3400.             results.push({
  3401.                 prefix: prefix,
  3402.                 method: method.toLowerCase(),
  3403.                 value: block,
  3404.                 args: args,
  3405.                 image: null
  3406.             });
  3407.         }
  3408.         args = [];
  3409.         method = prefix = definition = block = '';
  3410.     };
  3411.     args = [];
  3412.     method = prefix = definition = block = '';
  3413.     backgroundImage.split("").forEach(function(c) {
  3414.         if (mode === 0 && whitespace.indexOf(c) > -1) {
  3415.             return;
  3416.         }
  3417.         switch(c) {
  3418.         case '"':
  3419.             if(!quote) {
  3420.                 quote = c;
  3421.             } else if(quote === c) {
  3422.                 quote = null;
  3423.             }
  3424.             break;
  3425.         case '(':
  3426.             if(quote) {
  3427.                 break;
  3428.             } else if(mode === 0) {
  3429.                 mode = 1;
  3430.                 block += c;
  3431.                 return;
  3432.             } else {
  3433.                 numParen++;
  3434.             }
  3435.             break;
  3436.         case ')':
  3437.             if (quote) {
  3438.                 break;
  3439.             } else if(mode === 1) {
  3440.                 if(numParen === 0) {
  3441.                     mode = 0;
  3442.                     block += c;
  3443.                     appendResult();
  3444.                     return;
  3445.                 } else {
  3446.                     numParen--;
  3447.                 }
  3448.             }
  3449.             break;
  3450.  
  3451.         case ',':
  3452.             if (quote) {
  3453.                 break;
  3454.             } else if(mode === 0) {
  3455.                 appendResult();
  3456.                 return;
  3457.             } else if (mode === 1) {
  3458.                 if (numParen === 0 && !method.match(/^url$/i)) {
  3459.                     args.push(definition);
  3460.                     definition = '';
  3461.                     block += c;
  3462.                     return;
  3463.                 }
  3464.             }
  3465.             break;
  3466.         }
  3467.  
  3468.         block += c;
  3469.         if (mode === 0) {
  3470.             method += c;
  3471.         } else {
  3472.             definition += c;
  3473.         }
  3474.     });
  3475.  
  3476.     appendResult();
  3477.     return results;
  3478. };
  3479.  
  3480. },{}],27:[function(_dereq_,module,exports){
  3481. var GradientContainer = _dereq_('./gradientcontainer');
  3482.  
  3483. function WebkitGradientContainer(imageData) {
  3484.     GradientContainer.apply(this, arguments);
  3485.     this.type = imageData.args[0] === "linear" ? GradientContainer.TYPES.LINEAR : GradientContainer.TYPES.RADIAL;
  3486. }
  3487.  
  3488. WebkitGradientContainer.prototype = Object.create(GradientContainer.prototype);
  3489.  
  3490. module.exports = WebkitGradientContainer;
  3491.  
  3492. },{"./gradientcontainer":9}],28:[function(_dereq_,module,exports){
  3493. function XHR(url) {
  3494.     return new Promise(function(resolve, reject) {
  3495.         var xhr = new XMLHttpRequest();
  3496.         xhr.open('GET', url);
  3497.  
  3498.         xhr.onload = function() {
  3499.             if (xhr.status === 200) {
  3500.                 resolve(xhr.responseText);
  3501.             } else {
  3502.                 reject(new Error(xhr.statusText));
  3503.             }
  3504.         };
  3505.  
  3506.         xhr.onerror = function() {
  3507.             reject(new Error("Network Error"));
  3508.         };
  3509.  
  3510.         xhr.send();
  3511.     });
  3512. }
  3513.  
  3514. module.exports = XHR;
  3515.  
  3516. },{}]},{},[4])(4)
  3517. });

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