/* html2canvas 0.5.0-beta3 <http://html2canvas.hertzen.com> Copyright (c) 2016 Niklas von Hertzen Released under License */ !(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 || 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) { (function (global) { /*! http://mths.be/punycode v1.2.4 by @mathias */ ;(function (root) { /** Detect free variables */ var freeExports = typeof exports === 'object' && exports; var freeModule = typeof module === 'object' && module && module.exports == freeExports && module; var freeGlobal = typeof global === 'object' && global; if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { root = freeGlobal; } /** * The `punycode` object. * @name punycode * @type Object */ var punycode, /** Highest positive signed 32-bit float value */ maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 /** Bootstring parameters */ base = 36, tMin = 1, tMax = 26, skew = 38, damp = 700, initialBias = 72, initialN = 128, // 0x80 delimiter = '-', // '\x2D' /** Regular expressions */ regexPunycode = /^xn--/, regexNonASCII = /[^ -~]/, // unprintable ASCII chars + non-ASCII chars regexSeparators = /\x2E|\u3002|\uFF0E|\uFF61/g, // RFC 3490 separators /** Error messages */ errors = { 'overflow': 'Overflow: input needs wider integers to process', 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', 'invalid-input': 'Invalid input' }, /** Convenience shortcuts */ baseMinusTMin = base - tMin, floor = Math.floor, stringFromCharCode = String.fromCharCode, /** Temporary variable */ key; /* --------------------------------------------------------------------------*/ /** * A generic error utility function. * @private * @param {String} type The error type. * @returns {Error} Throws a `RangeError` with the applicable error message. */ function error (type) { throw RangeError(errors[type]); } /** * A generic `Array#map` utility function. * @private * @param {Array} array The array to iterate over. * @param {Function} callback The function that gets called for every array * item. * @returns {Array} A new array of values returned by the callback function. */ function map (array, fn) { var length = array.length; while (length--) { array[length] = fn(array[length]); } return array; } /** * A simple `Array#map`-like wrapper to work with domain name strings. * @private * @param {String} domain The domain name. * @param {Function} callback The function that gets called for every * character. * @returns {Array} A new string of characters returned by the callback * function. */ function mapDomain (string, fn) { return map(string.split(regexSeparators), fn).join('.'); } /** * Creates an array containing the numeric code points of each Unicode * character in the string. While JavaScript uses UCS-2 internally, * this function will convert a pair of surrogate halves (each of which * UCS-2 exposes as separate characters) into a single code point, * matching UTF-16. * @see `punycode.ucs2.encode` * @see <http://mathiasbynens.be/notes/javascript-encoding> * @memberOf punycode.ucs2 * @name decode * @param {String} string The Unicode input string (UCS-2). * @returns {Array} The new array of code points. */ function ucs2decode (string) { var output = [], counter = 0, length = string.length, value, extra; while (counter < length) { value = string.charCodeAt(counter++); if (value >= 0xD800 && value <= 0xDBFF && counter < length) { // high surrogate, and there is a next character extra = string.charCodeAt(counter++); if ((extra & 0xFC00) == 0xDC00) { // low surrogate output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); } else { // unmatched surrogate; only append this code unit, in case the next // code unit is the high surrogate of a surrogate pair output.push(value); counter--; } } else { output.push(value); } } return output; } /** * Creates a string based on an array of numeric code points. * @see `punycode.ucs2.decode` * @memberOf punycode.ucs2 * @name encode * @param {Array} codePoints The array of numeric code points. * @returns {String} The new Unicode string (UCS-2). */ function ucs2encode (array) { return map(array, function (value) { var output = ''; if (value > 0xFFFF) { value -= 0x10000; output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); value = 0xDC00 | value & 0x3FF; } output += stringFromCharCode(value); return output; }).join(''); } /** * Converts a basic code point into a digit/integer. * @see `digitToBasic()` * @private * @param {Number} codePoint The basic numeric code point value. * @returns {Number} The numeric value of a basic code point (for use in * representing integers) in the range `0` to `base - 1`, or `base` if * the code point does not represent a value. */ function basicToDigit (codePoint) { if (codePoint - 48 < 10) { return codePoint - 22; } if (codePoint - 65 < 26) { return codePoint - 65; } if (codePoint - 97 < 26) { return codePoint - 97; } return base; } /** * Converts a digit/integer into a basic code point. * @see `basicToDigit()` * @private * @param {Number} digit The numeric value of a basic code point. * @returns {Number} The basic code point whose value (when used for * representing integers) is `digit`, which needs to be in the range * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is * used; else, the lowercase form is used. The behavior is undefined * if `flag` is non-zero and `digit` has no uppercase form. */ function digitToBasic (digit, flag) { // 0..25 map to ASCII a..z or A..Z // 26..35 map to ASCII 0..9 return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); } /** * Bias adaptation function as per section 3.4 of RFC 3492. * http://tools.ietf.org/html/rfc3492#section-3.4 * @private */ function adapt (delta, numPoints, firstTime) { var k = 0; delta = firstTime ? floor(delta / damp) : delta >> 1; delta += floor(delta / numPoints); for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { delta = floor(delta / baseMinusTMin); } return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); } /** * Converts a Punycode string of ASCII-only symbols to a string of Unicode * symbols. * @memberOf punycode * @param {String} input The Punycode string of ASCII-only symbols. * @returns {String} The resulting string of Unicode symbols. */ function decode (input) { // Don't use UCS-2 var output = [], inputLength = input.length, out, i = 0, n = initialN, bias = initialBias, basic, j, index, oldi, w, k, digit, t, /** Cached calculation results */ baseMinusT; // Handle the basic code points: let `basic` be the number of input code // points before the last delimiter, or `0` if there is none, then copy // the first basic code points to the output. basic = input.lastIndexOf(delimiter); if (basic < 0) { basic = 0; } for (j = 0; j < basic; ++j) { // if it's not a basic code point if (input.charCodeAt(j) >= 0x80) { error('not-basic'); } output.push(input.charCodeAt(j)); } // Main decoding loop: start just after the last delimiter if any basic code // points were copied; start at the beginning otherwise. for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { // `index` is the index of the next character to be consumed. // Decode a generalized variable-length integer into `delta`, // which gets added to `i`. The overflow checking is easier // if we increase `i` as we go, then subtract off its starting // value at the end to obtain `delta`. for (oldi = i, w = 1, k = base; /* no condition */; k += base) { if (index >= inputLength) { error('invalid-input'); } digit = basicToDigit(input.charCodeAt(index++)); if (digit >= base || digit > floor((maxInt - i) / w)) { error('overflow'); } i += digit * w; t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); if (digit < t) { break; } baseMinusT = base - t; if (w > floor(maxInt / baseMinusT)) { error('overflow'); } w *= baseMinusT; } out = output.length + 1; bias = adapt(i - oldi, out, oldi == 0); // `i` was supposed to wrap around from `out` to `0`, // incrementing `n` each time, so we'll fix that now: if (floor(i / out) > maxInt - n) { error('overflow'); } n += floor(i / out); i %= out; // Insert `n` at position `i` of the output output.splice(i++, 0, n); } return ucs2encode(output); } /** * Converts a string of Unicode symbols to a Punycode string of ASCII-only * symbols. * @memberOf punycode * @param {String} input The string of Unicode symbols. * @returns {String} The resulting Punycode string of ASCII-only symbols. */ function encode (input) { var n, delta, handledCPCount, basicLength, bias, j, m, q, k, t, currentValue, output = [], /** `inputLength` will hold the number of code points in `input`. */ inputLength, /** Cached calculation results */ handledCPCountPlusOne, baseMinusT, qMinusT; // Convert the input in UCS-2 to Unicode input = ucs2decode(input); // Cache the length inputLength = input.length; // Initialize the state n = initialN; delta = 0; bias = initialBias; // Handle the basic code points for (j = 0; j < inputLength; ++j) { currentValue = input[j]; if (currentValue < 0x80) { output.push(stringFromCharCode(currentValue)); } } handledCPCount = basicLength = output.length; // `handledCPCount` is the number of code points that have been handled; // `basicLength` is the number of basic code points. // Finish the basic string - if it is not empty - with a delimiter if (basicLength) { output.push(delimiter); } // Main encoding loop: while (handledCPCount < inputLength) { // All non-basic code points < n have been handled already. Find the next // larger one: for (m = maxInt, j = 0; j < inputLength; ++j) { currentValue = input[j]; if (currentValue >= n && currentValue < m) { m = currentValue; } } // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, // but guard against overflow handledCPCountPlusOne = handledCPCount + 1; if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { error('overflow'); } delta += (m - n) * handledCPCountPlusOne; n = m; for (j = 0; j < inputLength; ++j) { currentValue = input[j]; if (currentValue < n && ++delta > maxInt) { error('overflow'); } if (currentValue == n) { // Represent delta as a generalized variable-length integer for (q = delta, k = base; /* no condition */; k += base) { t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); if (q < t) { break; } qMinusT = q - t; baseMinusT = base - t; output.push( stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) ); q = floor(qMinusT / baseMinusT); } output.push(stringFromCharCode(digitToBasic(q, 0))); bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); delta = 0; ++handledCPCount; } } ++delta; ++n; } return output.join(''); } /** * Converts a Punycode string representing a domain name to Unicode. Only the * Punycoded parts of the domain name will be converted, i.e. it doesn't * matter if you call it on a string that has already been converted to * Unicode. * @memberOf punycode * @param {String} domain The Punycode domain name to convert to Unicode. * @returns {String} The Unicode representation of the given Punycode * string. */ function toUnicode (domain) { return mapDomain(domain, function (string) { return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string; }); } /** * Converts a Unicode string representing a domain name to Punycode. Only the * non-ASCII parts of the domain name will be converted, i.e. it doesn't * matter if you call it with a domain that's already in ASCII. * @memberOf punycode * @param {String} domain The domain name to convert, as a Unicode string. * @returns {String} The Punycode representation of the given domain name. */ function toASCII (domain) { return mapDomain(domain, function (string) { return regexNonASCII.test(string) ? 'xn--' + encode(string) : string; }); } /* --------------------------------------------------------------------------*/ /** Define the public API */ punycode = { /** * A string representing the current Punycode.js version number. * @memberOf punycode * @type String */ 'version': '1.2.4', /** * An object of methods to convert from JavaScript's internal character * representation (UCS-2) to Unicode code points, and back. * @see <http://mathiasbynens.be/notes/javascript-encoding> * @memberOf punycode * @type Object */ 'ucs2': { 'decode': ucs2decode, 'encode': ucs2encode }, 'decode': decode, 'encode': encode, 'toASCII': toASCII, 'toUnicode': toUnicode }; /** Expose `punycode` */ // Some AMD build optimizers, like r.js, check for specific condition patterns // like the following: if ( typeof define === 'function' && typeof define.amd === 'object' && define.amd ) { define('punycode', function () { return punycode; }); } else if (freeExports && !freeExports.nodeType) { if (freeModule) { // in Node.js or RingoJS v0.8.0+ freeModule.exports = punycode; } else { // in Narwhal or RingoJS v0.7.0- for (key in punycode) { punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); } } } else { // in Rhino or a web browser root.punycode = punycode; } }(this)); }).call(this, typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : {}) }, {}], 2: [function (_dereq_, module, exports) { var log = _dereq_('./log'); function restoreOwnerScroll (ownerDocument, x, y) { if (ownerDocument.defaultView && (x !== ownerDocument.defaultView.pageXOffset || y !== ownerDocument.defaultView.pageYOffset)) { ownerDocument.defaultView.scrollTo(x, y); } } function cloneCanvasContents (canvas, clonedCanvas) { try { if (clonedCanvas) { clonedCanvas.width = canvas.width; clonedCanvas.height = canvas.height; clonedCanvas.getContext('2d').putImageData(canvas.getContext('2d').getImageData(0, 0, canvas.width, canvas.height), 0, 0); } } catch (e) { log('Unable to copy canvas content from', canvas, e); } } function cloneNode (node, javascriptEnabled) { var clone = node.nodeType === 3 ? document.createTextNode(node.nodeValue) : node.cloneNode(false); var child = node.firstChild; while (child) { if (javascriptEnabled === true || child.nodeType !== 1 || child.nodeName !== 'SCRIPT') { clone.appendChild(cloneNode(child, javascriptEnabled)); } child = child.nextSibling; } if (node.nodeType === 1) { clone._scrollTop = node.scrollTop; clone._scrollLeft = node.scrollLeft; if (node.nodeName === 'CANVAS') { cloneCanvasContents(node, clone); } else if (node.nodeName === 'TEXTAREA' || node.nodeName === 'SELECT') { clone.value = node.value; } } return clone; } function initNode (node) { if (node.nodeType === 1) { node.scrollTop = node._scrollTop; node.scrollLeft = node._scrollLeft; var child = node.firstChild; while (child) { initNode(child); child = child.nextSibling; } } } module.exports = function (ownerDocument, containerDocument, width, height, options, x,y) { var documentElement = cloneNode(ownerDocument.documentElement, options.javascriptEnabled); var container = containerDocument.createElement('iframe'); container.className = 'html2canvas-container'; container.style.visibility = 'hidden'; container.style.position = 'fixed'; container.style.left = '-10000px'; container.style.top = '0px'; container.style.border = '0'; container.width = width; container.height = height; container.scrolling = 'no'; // ios won't scroll without it containerDocument.body.appendChild(container); return new Promise(function (resolve) { var documentClone = container.contentWindow.document; /* Chrome doesn't detect relative background-images assigned in inline <style> sheets when fetched through getComputedStyle if window url is about:blank, we can assign the url to current by writing onto the document */ container.contentWindow.onload = container.onload = function () { var interval = setInterval(function () { if (documentClone.body.childNodes.length > 0) { initNode(documentClone.documentElement); clearInterval(interval); if (options.type === 'view') { container.contentWindow.scrollTo(x, y); if ((/(iPad|iPhone|iPod)/g).test(navigator.userAgent) && (container.contentWindow.scrollY !== y || container.contentWindow.scrollX !== x)) { documentClone.documentElement.style.top = (-y) + 'px'; documentClone.documentElement.style.left = (-x) + 'px'; documentClone.documentElement.style.position = 'absolute'; } } resolve(container); } }, 50); }; documentClone.open(); documentClone.write('<!DOCTYPE html><html></html>'); // Chrome scrolls the parent document for some reason after the write to the cloned window??? restoreOwnerScroll(ownerDocument, x, y); documentClone.replaceChild(documentClone.adoptNode(documentElement), documentClone.documentElement); documentClone.close(); }); }; }, {'./log': 13}], 3: [function (_dereq_, module, exports) { // http://dev.w3.org/csswg/css-color/ function Color (value) { this.r = 0; this.g = 0; this.b = 0; this.a = null; var result = this.fromArray(value) || this.namedColor(value) || this.rgb(value) || this.rgba(value) || this.hex6(value) || this.hex3(value); } Color.prototype.darken = function (amount) { var a = 1 - amount; return new Color([ Math.round(this.r * a), Math.round(this.g * a), Math.round(this.b * a), this.a ]); }; Color.prototype.isTransparent = function () { return this.a === 0; }; Color.prototype.isBlack = function () { return this.r === 0 && this.g === 0 && this.b === 0; }; Color.prototype.fromArray = function (array) { if (Array.isArray(array)) { this.r = Math.min(array[0], 255); this.g = Math.min(array[1], 255); this.b = Math.min(array[2], 255); if (array.length > 3) { this.a = array[3]; } } return (Array.isArray(array)); }; var _hex3 = /^#([a-f0-9]{3})$/i; Color.prototype.hex3 = function (value) { var match = null; if ((match = value.match(_hex3)) !== null) { this.r = parseInt(match[1][0] + match[1][0], 16); this.g = parseInt(match[1][1] + match[1][1], 16); this.b = parseInt(match[1][2] + match[1][2], 16); } return match !== null; }; var _hex6 = /^#([a-f0-9]{6})$/i; Color.prototype.hex6 = function (value) { var match = null; if ((match = value.match(_hex6)) !== null) { this.r = parseInt(match[1].substring(0, 2), 16); this.g = parseInt(match[1].substring(2, 4), 16); this.b = parseInt(match[1].substring(4, 6), 16); } return match !== null; }; var _rgb = /^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)$/; Color.prototype.rgb = function (value) { var match = null; if ((match = value.match(_rgb)) !== null) { this.r = Number(match[1]); this.g = Number(match[2]); this.b = Number(match[3]); } return match !== null; }; var _rgba = /^rgba\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d?\.?\d+)\s*\)$/; Color.prototype.rgba = function (value) { var match = null; if ((match = value.match(_rgba)) !== null) { this.r = Number(match[1]); this.g = Number(match[2]); this.b = Number(match[3]); this.a = Number(match[4]); } return match !== null; }; Color.prototype.toString = function () { return this.a !== null && this.a !== 1 ? 'rgba(' + [this.r, this.g, this.b, this.a].join(',') + ')' : 'rgb(' + [this.r, this.g, this.b].join(',') + ')'; }; Color.prototype.namedColor = function (value) { value = value.toLowerCase(); var color = colors[value]; if (color) { this.r = color[0]; this.g = color[1]; this.b = color[2]; } else if (value === 'transparent') { this.r = this.g = this.b = this.a = 0; return true; } return !!color; }; Color.prototype.isColor = true; // 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}, {})) var colors = { 'aliceblue': [240, 248, 255], 'antiquewhite': [250, 235, 215], 'aqua': [0, 255, 255], 'aquamarine': [127, 255, 212], 'azure': [240, 255, 255], 'beige': [245, 245, 220], 'bisque': [255, 228, 196], 'black': [0, 0, 0], 'blanchedalmond': [255, 235, 205], 'blue': [0, 0, 255], 'blueviolet': [138, 43, 226], 'brown': [165, 42, 42], 'burlywood': [222, 184, 135], 'cadetblue': [95, 158, 160], 'chartreuse': [127, 255, 0], 'chocolate': [210, 105, 30], 'coral': [255, 127, 80], 'cornflowerblue': [100, 149, 237], 'cornsilk': [255, 248, 220], 'crimson': [220, 20, 60], 'cyan': [0, 255, 255], 'darkblue': [0, 0, 139], 'darkcyan': [0, 139, 139], 'darkgoldenrod': [184, 134, 11], 'darkgray': [169, 169, 169], 'darkgreen': [0, 100, 0], 'darkgrey': [169, 169, 169], 'darkkhaki': [189, 183, 107], 'darkmagenta': [139, 0, 139], 'darkolivegreen': [85, 107, 47], 'darkorange': [255, 140, 0], 'darkorchid': [153, 50, 204], 'darkred': [139, 0, 0], 'darksalmon': [233, 150, 122], 'darkseagreen': [143, 188, 143], 'darkslateblue': [72, 61, 139], 'darkslategray': [47, 79, 79], 'darkslategrey': [47, 79, 79], 'darkturquoise': [0, 206, 209], 'darkviolet': [148, 0, 211], 'deeppink': [255, 20, 147], 'deepskyblue': [0, 191, 255], 'dimgray': [105, 105, 105], 'dimgrey': [105, 105, 105], 'dodgerblue': [30, 144, 255], 'firebrick': [178, 34, 34], 'floralwhite': [255, 250, 240], 'forestgreen': [34, 139, 34], 'fuchsia': [255, 0, 255], 'gainsboro': [220, 220, 220], 'ghostwhite': [248, 248, 255], 'gold': [255, 215, 0], 'goldenrod': [218, 165, 32], 'gray': [128, 128, 128], 'green': [0, 128, 0], 'greenyellow': [173, 255, 47], 'grey': [128, 128, 128], 'honeydew': [240, 255, 240], 'hotpink': [255, 105, 180], 'indianred': [205, 92, 92], 'indigo': [75, 0, 130], 'ivory': [255, 255, 240], 'khaki': [240, 230, 140], 'lavender': [230, 230, 250], 'lavenderblush': [255, 240, 245], 'lawngreen': [124, 252, 0], 'lemonchiffon': [255, 250, 205], 'lightblue': [173, 216, 230], 'lightcoral': [240, 128, 128], 'lightcyan': [224, 255, 255], 'lightgoldenrodyellow': [250, 250, 210], 'lightgray': [211, 211, 211], 'lightgreen': [144, 238, 144], 'lightgrey': [211, 211, 211], 'lightpink': [255, 182, 193], 'lightsalmon': [255, 160, 122], 'lightseagreen': [32, 178, 170], 'lightskyblue': [135, 206, 250], 'lightslategray': [119, 136, 153], 'lightslategrey': [119, 136, 153], 'lightsteelblue': [176, 196, 222], 'lightyellow': [255, 255, 224], 'lime': [0, 255, 0], 'limegreen': [50, 205, 50], 'linen': [250, 240, 230], 'magenta': [255, 0, 255], 'maroon': [128, 0, 0], 'mediumaquamarine': [102, 205, 170], 'mediumblue': [0, 0, 205], 'mediumorchid': [186, 85, 211], 'mediumpurple': [147, 112, 219], 'mediumseagreen': [60, 179, 113], 'mediumslateblue': [123, 104, 238], 'mediumspringgreen': [0, 250, 154], 'mediumturquoise': [72, 209, 204], 'mediumvioletred': [199, 21, 133], 'midnightblue': [25, 25, 112], 'mintcream': [245, 255, 250], 'mistyrose': [255, 228, 225], 'moccasin': [255, 228, 181], 'navajowhite': [255, 222, 173], 'navy': [0, 0, 128], 'oldlace': [253, 245, 230], 'olive': [128, 128, 0], 'olivedrab': [107, 142, 35], 'orange': [255, 165, 0], 'orangered': [255, 69, 0], 'orchid': [218, 112, 214], 'palegoldenrod': [238, 232, 170], 'palegreen': [152, 251, 152], 'paleturquoise': [175, 238, 238], 'palevioletred': [219, 112, 147], 'papayawhip': [255, 239, 213], 'peachpuff': [255, 218, 185], 'peru': [205, 133, 63], 'pink': [255, 192, 203], 'plum': [221, 160, 221], 'powderblue': [176, 224, 230], 'purple': [128, 0, 128], 'rebeccapurple': [102, 51, 153], 'red': [255, 0, 0], 'rosybrown': [188, 143, 143], 'royalblue': [65, 105, 225], 'saddlebrown': [139, 69, 19], 'salmon': [250, 128, 114], 'sandybrown': [244, 164, 96], 'seagreen': [46, 139, 87], 'seashell': [255, 245, 238], 'sienna': [160, 82, 45], 'silver': [192, 192, 192], 'skyblue': [135, 206, 235], 'slateblue': [106, 90, 205], 'slategray': [112, 128, 144], 'slategrey': [112, 128, 144], 'snow': [255, 250, 250], 'springgreen': [0, 255, 127], 'steelblue': [70, 130, 180], 'tan': [210, 180, 140], 'teal': [0, 128, 128], 'thistle': [216, 191, 216], 'tomato': [255, 99, 71], 'turquoise': [64, 224, 208], 'violet': [238, 130, 238], 'wheat': [245, 222, 179], 'white': [255, 255, 255], 'whitesmoke': [245, 245, 245], 'yellow': [255, 255, 0], 'yellowgreen': [154, 205, 50] }; module.exports = Color; }, {}], 4: [function (_dereq_, module, exports) { var Support = _dereq_('./support'); var CanvasRenderer = _dereq_('./renderers/canvas'); var ImageLoader = _dereq_('./imageloader'); var NodeParser = _dereq_('./nodeparser'); var NodeContainer = _dereq_('./nodecontainer'); var log = _dereq_('./log'); var utils = _dereq_('./utils'); var createWindowClone = _dereq_('./clone'); var loadUrlDocument = _dereq_('./proxy').loadUrlDocument; var getBounds = utils.getBounds; var html2canvasNodeAttribute = 'data-html2canvas-node'; var html2canvasCloneIndex = 0; function html2canvas (nodeList, options) { var index = html2canvasCloneIndex++; options = options || {}; if (options.logging) { log.options.logging = true; log.options.start = Date.now(); } options.async = typeof (options.async) === 'undefined' ? true : options.async; options.allowTaint = typeof (options.allowTaint) === 'undefined' ? false : options.allowTaint; options.removeContainer = typeof (options.removeContainer) === 'undefined' ? true : options.removeContainer; options.javascriptEnabled = typeof (options.javascriptEnabled) === 'undefined' ? false : options.javascriptEnabled; options.imageTimeout = typeof (options.imageTimeout) === 'undefined' ? 10000 : options.imageTimeout; options.renderer = typeof (options.renderer) === 'function' ? options.renderer : CanvasRenderer; options.strict = !!options.strict; if (typeof (nodeList) === 'string') { if (typeof (options.proxy) !== 'string') { return Promise.reject('Proxy must be used when rendering url'); } var width = options.width != null ? options.width : window.innerWidth; var height = options.height != null ? options.height : window.innerHeight; return loadUrlDocument(absoluteUrl(nodeList), options.proxy, document, width, height, options).then(function (container) { return renderWindow(container.contentWindow.document.documentElement, container, options, width, height); }); } var node = ((nodeList === undefined) ? [document.documentElement] : ((nodeList.length) ? nodeList : [nodeList]))[0]; node.setAttribute(html2canvasNodeAttribute + index, index); // return renderDocument(node.ownerDocument, options, node.ownerDocument.defaultView.innerWidth, node.ownerDocument.defaultView.innerHeight, index).then(function(canvas) { var width = options.width != null ? options.width : node.ownerDocument.defaultView.innerWidth; var height = options.height != null ? options.height : node.ownerDocument.defaultView.innerHeight; return renderDocument(node.ownerDocument, options, width, height, index).then(function (canvas) { if (typeof (options.onrendered) === 'function') { log('options.onrendered is deprecated, html2canvas returns a Promise containing the canvas'); options.onrendered(canvas); } return canvas; }); } html2canvas.CanvasRenderer = CanvasRenderer; html2canvas.NodeContainer = NodeContainer; html2canvas.log = log; html2canvas.utils = utils; var html2canvasExport = (typeof (document) === 'undefined' || typeof (Object.create) !== 'function' || typeof (document.createElement('canvas').getContext) !== 'function') ? function () { return Promise.reject('No canvas support'); } : html2canvas; module.exports = html2canvasExport; if (typeof (define) === 'function' && define.amd) { define('html2canvas', [], function () { return html2canvasExport; }); } function renderDocument (document, options, windowWidth, windowHeight, html2canvasIndex) { return createWindowClone(document, document, windowWidth, windowHeight, options, document.defaultView.pageXOffset, document.defaultView.pageYOffset).then(function (container) { log('Document cloned'); var attributeName = html2canvasNodeAttribute + html2canvasIndex; var selector = '[' + attributeName + "='" + html2canvasIndex + "']"; document.querySelector(selector).removeAttribute(attributeName); var clonedWindow = container.contentWindow; var node = clonedWindow.document.querySelector(selector); var oncloneHandler = (typeof (options.onclone) === 'function') ? Promise.resolve(options.onclone(clonedWindow.document)) : Promise.resolve(true); return oncloneHandler.then(function () { return renderWindow(node, container, options, windowWidth, windowHeight); }); }); } function renderWindow (node, container, options, windowWidth, windowHeight) { var clonedWindow = container.contentWindow; var support = new Support(clonedWindow.document); var imageLoader = new ImageLoader(options, support); var bounds = getBounds(node); var width = options.type === 'view' ? windowWidth : documentWidth(clonedWindow.document); var height = options.type === 'view' ? windowHeight : documentHeight(clonedWindow.document); var renderer = new options.renderer(width, height, imageLoader, options, document); var parser = new NodeParser(node, renderer, support, imageLoader, options); return parser.ready.then(function () { log('Finished rendering'); var canvas; if (options.type === 'view') { canvas = crop(renderer.canvas, {width: renderer.canvas.width, height: renderer.canvas.height, top: 0, left: 0, x: 0, y: 0}); } else if (node === clonedWindow.document.body || node === clonedWindow.document.documentElement || options.canvas != null) { canvas = renderer.canvas; } else { 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}); } cleanupContainer(container, options); return canvas; }); } function cleanupContainer (container, options) { if (options.removeContainer) { container.parentNode.removeChild(container); log('Cleaned up container'); } } function crop (canvas, bounds) { var croppedCanvas = document.createElement('canvas'); var x1 = Math.min(canvas.width - 1, Math.max(0, bounds.left)); var x2 = Math.min(canvas.width, Math.max(1, bounds.left + bounds.width)); var y1 = Math.min(canvas.height - 1, Math.max(0, bounds.top)); var y2 = Math.min(canvas.height, Math.max(1, bounds.top + bounds.height)); croppedCanvas.width = bounds.width; croppedCanvas.height = bounds.height; var width = x2 - x1; var height = y2 - y1; log('Cropping canvas at:', 'left:', bounds.left, 'top:', bounds.top, 'width:', width, 'height:', height); log('Resulting crop with width', bounds.width, 'and height', bounds.height, 'with x', x1, 'and y', y1); croppedCanvas.getContext('2d').drawImage(canvas, x1, y1, width, height, bounds.x, bounds.y, width, height); return croppedCanvas; } function documentWidth (doc) { return Math.max( Math.max(doc.body.scrollWidth, doc.documentElement.scrollWidth), Math.max(doc.body.offsetWidth, doc.documentElement.offsetWidth), Math.max(doc.body.clientWidth, doc.documentElement.clientWidth) ); } function documentHeight (doc) { return Math.max( Math.max(doc.body.scrollHeight, doc.documentElement.scrollHeight), Math.max(doc.body.offsetHeight, doc.documentElement.offsetHeight), Math.max(doc.body.clientHeight, doc.documentElement.clientHeight) ); } function absoluteUrl (url) { var link = document.createElement('a'); link.href = url; link.href = link.href; return link; } }, {'./clone': 2, './imageloader': 11, './log': 13, './nodecontainer': 14, './nodeparser': 15, './proxy': 16, './renderers/canvas': 20, './support': 22, './utils': 26}], 5: [function (_dereq_, module, exports) { var log = _dereq_('./log'); var smallImage = _dereq_('./utils').smallImage; function DummyImageContainer (src) { this.src = src; log('DummyImageContainer for', src); if (!this.promise || !this.image) { log('Initiating DummyImageContainer'); DummyImageContainer.prototype.image = new Image(); var image = this.image; DummyImageContainer.prototype.promise = new Promise(function (resolve, reject) { image.onload = resolve; image.onerror = reject; image.src = smallImage(); if (image.complete === true) { resolve(image); } }); } } module.exports = DummyImageContainer; }, {'./log': 13, './utils': 26}], 6: [function (_dereq_, module, exports) { var smallImage = _dereq_('./utils').smallImage; function Font (family, size) { var container = document.createElement('div'), img = document.createElement('img'), span = document.createElement('span'), sampleText = 'Hidden Text', baseline, middle; container.style.visibility = 'hidden'; container.style.fontFamily = family; container.style.fontSize = size; container.style.margin = 0; container.style.padding = 0; document.body.appendChild(container); img.src = smallImage(); img.width = 1; img.height = 1; img.style.margin = 0; img.style.padding = 0; img.style.verticalAlign = 'baseline'; span.style.fontFamily = family; span.style.fontSize = size; span.style.margin = 0; span.style.padding = 0; span.appendChild(document.createTextNode(sampleText)); container.appendChild(span); container.appendChild(img); baseline = (img.offsetTop - span.offsetTop) + 1; container.removeChild(span); container.appendChild(document.createTextNode(sampleText)); container.style.lineHeight = 'normal'; img.style.verticalAlign = 'super'; middle = (img.offsetTop - container.offsetTop) + 1; document.body.removeChild(container); this.baseline = baseline; this.lineWidth = 1; this.middle = middle; } module.exports = Font; }, {'./utils': 26}], 7: [function (_dereq_, module, exports) { var Font = _dereq_('./font'); function FontMetrics () { this.data = {}; } FontMetrics.prototype.getMetrics = function (family, size) { if (this.data[family + '-' + size] === undefined) { this.data[family + '-' + size] = new Font(family, size); } return this.data[family + '-' + size]; }; module.exports = FontMetrics; }, {'./font': 6}], 8: [function (_dereq_, module, exports) { var utils = _dereq_('./utils'); var getBounds = utils.getBounds; var loadUrlDocument = _dereq_('./proxy').loadUrlDocument; function FrameContainer (container, sameOrigin, options) { this.image = null; this.src = container; var self = this; var bounds = getBounds(container); this.promise = (!sameOrigin ? this.proxyLoad(options.proxy, bounds, options) : new Promise(function (resolve) { if (container.contentWindow.document.URL === 'about:blank' || container.contentWindow.document.documentElement == null) { container.contentWindow.onload = container.onload = function () { resolve(container); }; } else { resolve(container); } })).then(function (container) { var html2canvas = _dereq_('./core'); 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}); }).then(function (canvas) { return self.image = canvas; }); } FrameContainer.prototype.proxyLoad = function (proxy, bounds, options) { var container = this.src; return loadUrlDocument(container.src, proxy, container.ownerDocument, bounds.width, bounds.height, options); }; module.exports = FrameContainer; }, {'./core': 4, './proxy': 16, './utils': 26}], 9: [function (_dereq_, module, exports) { function GradientContainer (imageData) { this.src = imageData.value; this.colorStops = []; this.type = null; this.x0 = 0.5; this.y0 = 0.5; this.x1 = 0.5; this.y1 = 0.5; this.promise = Promise.resolve(true); } GradientContainer.TYPES = { LINEAR: 1, RADIAL: 2 }; // TODO: support hsl[a], negative %/length values // TODO: support <angle> (e.g. -?\d{1,3}(?:\.\d+)deg, etc. : https://developer.mozilla.org/docs/Web/CSS/angle ) 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; module.exports = GradientContainer; }, {}], 10: [function (_dereq_, module, exports) { function ImageContainer (src, cors) { this.src = src; this.image = new Image(); var self = this; this.tainted = null; this.promise = new Promise(function (resolve, reject) { self.image.onload = resolve; self.image.onerror = reject; if (cors) { self.image.crossOrigin = 'anonymous'; } self.image.src = src; if (self.image.complete === true) { resolve(self.image); } }); } module.exports = ImageContainer; }, {}], 11: [function (_dereq_, module, exports) { var log = _dereq_('./log'); var ImageContainer = _dereq_('./imagecontainer'); var DummyImageContainer = _dereq_('./dummyimagecontainer'); var ProxyImageContainer = _dereq_('./proxyimagecontainer'); var FrameContainer = _dereq_('./framecontainer'); var SVGContainer = _dereq_('./svgcontainer'); var SVGNodeContainer = _dereq_('./svgnodecontainer'); var LinearGradientContainer = _dereq_('./lineargradientcontainer'); var WebkitGradientContainer = _dereq_('./webkitgradientcontainer'); var bind = _dereq_('./utils').bind; function ImageLoader (options, support) { this.link = null; this.options = options; this.support = support; this.origin = this.getOrigin(window.location.href); } ImageLoader.prototype.findImages = function (nodes) { var images = []; nodes.reduce(function (imageNodes, container) { switch (container.node.nodeName) { case 'IMG': return imageNodes.concat([{ args: [container.node.src], method: 'url' }]); case 'svg': case 'IFRAME': return imageNodes.concat([{ args: [container.node], method: container.node.nodeName }]); } return imageNodes; }, []).forEach(this.addImage(images, this.loadImage), this); return images; }; ImageLoader.prototype.findBackgroundImage = function (images, container) { container.parseBackgroundImages().filter(this.hasImageBackground).forEach(this.addImage(images, this.loadImage), this); return images; }; ImageLoader.prototype.addImage = function (images, callback) { return function (newImage) { newImage.args.forEach(function (image) { if (!this.imageExists(images, image)) { images.splice(0, 0, callback.call(this, newImage)); log('Added image #' + (images.length), typeof (image) === 'string' ? image.substring(0, 100) : image); } }, this); }; }; ImageLoader.prototype.hasImageBackground = function (imageData) { return imageData.method !== 'none'; }; ImageLoader.prototype.loadImage = function (imageData) { if (imageData.method === 'url') { var src = imageData.args[0]; if (this.isSVG(src) && !this.support.svg && !this.options.allowTaint) { return new SVGContainer(src); } else if (src.match(/data:image\/.*;base64,/i)) { return new ImageContainer(src.replace(/url\(['"]{0,}|['"]{0,}\)$/ig, ''), false); } else if (this.isSameOrigin(src) || this.options.allowTaint === true || this.isSVG(src)) { return new ImageContainer(src, false); } else if (this.support.cors && !this.options.allowTaint && this.options.useCORS) { return new ImageContainer(src, true); } else if (this.options.proxy) { return new ProxyImageContainer(src, this.options.proxy); } else { return new DummyImageContainer(src); } } else if (imageData.method === 'linear-gradient') { return new LinearGradientContainer(imageData); } else if (imageData.method === 'gradient') { return new WebkitGradientContainer(imageData); } else if (imageData.method === 'svg') { return new SVGNodeContainer(imageData.args[0], this.support.svg); } else if (imageData.method === 'IFRAME') { return new FrameContainer(imageData.args[0], this.isSameOrigin(imageData.args[0].src), this.options); } else { return new DummyImageContainer(imageData); } }; ImageLoader.prototype.isSVG = function (src) { return src.substring(src.length - 3).toLowerCase() === 'svg' || SVGContainer.prototype.isInline(src); }; ImageLoader.prototype.imageExists = function (images, src) { return images.some(function (image) { return image.src === src; }); }; ImageLoader.prototype.isSameOrigin = function (url) { return (this.getOrigin(url) === this.origin); }; ImageLoader.prototype.getOrigin = function (url) { var link = this.link || (this.link = document.createElement('a')); link.href = url; link.href = link.href; // IE9, LOL! - http://jsfiddle.net/niklasvh/2e48b/ return link.protocol + link.hostname + link.port; }; ImageLoader.prototype.getPromise = function (container) { return this.timeout(container, this.options.imageTimeout)['catch'](function () { var dummy = new DummyImageContainer(container.src); return dummy.promise.then(function (image) { container.image = image; }); }); }; ImageLoader.prototype.get = function (src) { var found = null; return this.images.some(function (img) { return (found = img).src === src; }) ? found : null; }; ImageLoader.prototype.fetch = function (nodes) { this.images = nodes.reduce(bind(this.findBackgroundImage, this), this.findImages(nodes)); this.images.forEach(function (image, index) { image.promise.then(function () { log('Succesfully loaded image #' + (index + 1), image); }, function (e) { log('Failed loading image #' + (index + 1), image, e); }); }); this.ready = Promise.all(this.images.map(this.getPromise, this)); log('Finished searching images'); return this; }; ImageLoader.prototype.timeout = function (container, timeout) { var timer; var promise = Promise.race([container.promise, new Promise(function (resolve, reject) { timer = setTimeout(function () { log('Timed out loading image', container); reject(container); }, timeout); })]).then(function (container) { clearTimeout(timer); return container; }); promise['catch'](function () { clearTimeout(timer); }); return promise; }; module.exports = ImageLoader; }, {'./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) { var GradientContainer = _dereq_('./gradientcontainer'); var Color = _dereq_('./color'); function LinearGradientContainer (imageData) { GradientContainer.apply(this, arguments); this.type = GradientContainer.TYPES.LINEAR; var hasDirection = LinearGradientContainer.REGEXP_DIRECTION.test(imageData.args[0]) || !GradientContainer.REGEXP_COLORSTOP.test(imageData.args[0]); if (hasDirection) { imageData.args[0].split(/\s+/).reverse().forEach(function (position, index) { switch (position) { case 'left': this.x0 = 0; this.x1 = 1; break; case 'top': this.y0 = 0; this.y1 = 1; break; case 'right': this.x0 = 1; this.x1 = 0; break; case 'bottom': this.y0 = 1; this.y1 = 0; break; case 'to': var y0 = this.y0; var x0 = this.x0; this.y0 = this.y1; this.x0 = this.x1; this.x1 = x0; this.y1 = y0; break; case 'center': break; // centered by default // Firefox internally converts position keywords to percentages: // http://www.w3.org/TR/2010/WD-CSS2-20101207/colors.html#propdef-background-position default: // percentage or absolute length // TODO: support absolute start point positions (e.g., use bounds to convert px to a ratio) var ratio = parseFloat(position, 10) * 1e-2; if (isNaN(ratio)) { // invalid or unhandled value break; } if (index === 0) { this.y0 = ratio; this.y1 = 1 - this.y0; } else { this.x0 = ratio; this.x1 = 1 - this.x0; } break; } }, this); } else { this.y0 = 0; this.y1 = 1; } this.colorStops = imageData.args.slice(hasDirection ? 1 : 0).map(function (colorStop) { var colorStopMatch = colorStop.match(GradientContainer.REGEXP_COLORSTOP); var value = +colorStopMatch[2]; var unit = value === 0 ? '%' : colorStopMatch[3]; // treat "0" as "0%" return { color: new Color(colorStopMatch[1]), // TODO: support absolute stop positions (e.g., compute gradient line length & convert px to ratio) stop: unit === '%' ? value / 100 : null }; }); if (this.colorStops[0].stop === null) { this.colorStops[0].stop = 0; } if (this.colorStops[this.colorStops.length - 1].stop === null) { this.colorStops[this.colorStops.length - 1].stop = 1; } // calculates and fills-in explicit stop positions when omitted from rule this.colorStops.forEach(function (colorStop, index) { if (colorStop.stop === null) { this.colorStops.slice(index).some(function (find, count) { if (find.stop !== null) { colorStop.stop = ((find.stop - this.colorStops[index - 1].stop) / (count + 1)) + this.colorStops[index - 1].stop; return true; } else { return false; } }, this); } }, this); } LinearGradientContainer.prototype = Object.create(GradientContainer.prototype); // TODO: support <angle> (e.g. -?\d{1,3}(?:\.\d+)deg, etc. : https://developer.mozilla.org/docs/Web/CSS/angle ) LinearGradientContainer.REGEXP_DIRECTION = /^\s*(?:to|left|right|top|bottom|center|\d{1,3}(?:\.\d+)?%?)(?:\s|$)/i; module.exports = LinearGradientContainer; }, {'./color': 3, './gradientcontainer': 9}], 13: [function (_dereq_, module, exports) { var logger = function () { if (logger.options.logging && window.console && window.console.log) { Function.prototype.bind.call(window.console.log, (window.console)).apply(window.console, [(Date.now() - logger.options.start) + 'ms', 'html2canvas:'].concat([].slice.call(arguments, 0))); } }; logger.options = {logging: false}; module.exports = logger; }, {}], 14: [function (_dereq_, module, exports) { var Color = _dereq_('./color'); var utils = _dereq_('./utils'); var getBounds = utils.getBounds; var parseBackgrounds = utils.parseBackgrounds; var offsetBounds = utils.offsetBounds; function NodeContainer (node, parent) { this.node = node; this.parent = parent; this.stack = null; this.bounds = null; this.borders = null; this.clip = []; this.backgroundClip = []; this.offsetBounds = null; this.visible = null; this.computedStyles = null; this.colors = {}; this.styles = {}; this.backgroundImages = null; this.transformData = null; this.transformMatrix = null; this.isPseudoElement = false; this.opacity = null; } NodeContainer.prototype.cloneTo = function (stack) { stack.visible = this.visible; stack.borders = this.borders; stack.bounds = this.bounds; stack.clip = this.clip; stack.backgroundClip = this.backgroundClip; stack.computedStyles = this.computedStyles; stack.styles = this.styles; stack.backgroundImages = this.backgroundImages; stack.opacity = this.opacity; }; NodeContainer.prototype.getOpacity = function () { return this.opacity === null ? (this.opacity = this.cssFloat('opacity')) : this.opacity; }; NodeContainer.prototype.assignStack = function (stack) { this.stack = stack; stack.children.push(this); }; NodeContainer.prototype.isElementVisible = function () { return this.node.nodeType === Node.TEXT_NODE ? this.parent.visible : ( this.css('display') !== 'none' && this.css('visibility') !== 'hidden' && !this.node.hasAttribute('data-html2canvas-ignore') && (this.node.nodeName !== 'INPUT' || this.node.getAttribute('type') !== 'hidden') ); }; NodeContainer.prototype.css = function (attribute) { if (!this.computedStyles) { this.computedStyles = this.isPseudoElement ? this.parent.computedStyle(this.before ? ':before' : ':after') : this.computedStyle(null); } return this.styles[attribute] || (this.styles[attribute] = this.computedStyles[attribute]); }; NodeContainer.prototype.prefixedCss = function (attribute) { var prefixes = ['webkit', 'moz', 'ms', 'o']; var value = this.css(attribute); if (value === undefined) { prefixes.some(function (prefix) { value = this.css(prefix + attribute.substr(0, 1).toUpperCase() + attribute.substr(1)); return value !== undefined; }, this); } return value === undefined ? null : value; }; NodeContainer.prototype.computedStyle = function (type) { return this.node.ownerDocument.defaultView.getComputedStyle(this.node, type); }; NodeContainer.prototype.cssInt = function (attribute) { var value = parseInt(this.css(attribute), 10); return (isNaN(value)) ? 0 : value; // borders in old IE are throwing 'medium' for demo.html }; NodeContainer.prototype.color = function (attribute) { return this.colors[attribute] || (this.colors[attribute] = new Color(this.css(attribute))); }; NodeContainer.prototype.cssFloat = function (attribute) { var value = parseFloat(this.css(attribute)); return (isNaN(value)) ? 0 : value; }; NodeContainer.prototype.fontWeight = function () { var weight = this.css('fontWeight'); switch (parseInt(weight, 10)) { case 401: weight = 'bold'; break; case 400: weight = 'normal'; break; } return weight; }; NodeContainer.prototype.parseClip = function () { var matches = this.css('clip').match(this.CLIP); if (matches) { return { top: parseInt(matches[1], 10), right: parseInt(matches[2], 10), bottom: parseInt(matches[3], 10), left: parseInt(matches[4], 10) }; } return null; }; NodeContainer.prototype.parseBackgroundImages = function () { return this.backgroundImages || (this.backgroundImages = parseBackgrounds(this.css('backgroundImage'))); }; NodeContainer.prototype.cssList = function (property, index) { var value = (this.css(property) || '').split(','); value = value[index || 0] || value[0] || 'auto'; value = value.trim().split(' '); if (value.length === 1) { value = [value[0], isPercentage(value[0]) ? 'auto' : value[0]]; } return value; }; NodeContainer.prototype.parseBackgroundSize = function (bounds, image, index) { var size = this.cssList('backgroundSize', index); var width, height; if (isPercentage(size[0])) { width = bounds.width * parseFloat(size[0]) / 100; } else if (/contain|cover/.test(size[0])) { var targetRatio = bounds.width / bounds.height, currentRatio = image.width / image.height; return (targetRatio < currentRatio ^ size[0] === 'contain') ? {width: bounds.height * currentRatio, height: bounds.height} : {width: bounds.width, height: bounds.width / currentRatio}; } else { width = parseInt(size[0], 10); } if (size[0] === 'auto' && size[1] === 'auto') { height = image.height; } else if (size[1] === 'auto') { height = width / image.width * image.height; } else if (isPercentage(size[1])) { height = bounds.height * parseFloat(size[1]) / 100; } else { height = parseInt(size[1], 10); } if (size[0] === 'auto') { width = height / image.height * image.width; } return {width: width, height: height}; }; NodeContainer.prototype.parseBackgroundPosition = function (bounds, image, index, backgroundSize) { var position = this.cssList('backgroundPosition', index); var left, top; if (isPercentage(position[0])) { left = (bounds.width - (backgroundSize || image).width) * (parseFloat(position[0]) / 100); } else { left = parseInt(position[0], 10); } if (position[1] === 'auto') { top = left / image.width * image.height; } else if (isPercentage(position[1])) { top = (bounds.height - (backgroundSize || image).height) * parseFloat(position[1]) / 100; } else { top = parseInt(position[1], 10); } if (position[0] === 'auto') { left = top / image.height * image.width; } return {left: left, top: top}; }; NodeContainer.prototype.parseBackgroundRepeat = function (index) { return this.cssList('backgroundRepeat', index)[0]; }; NodeContainer.prototype.parseTextShadows = function () { var textShadow = this.css('textShadow'); var results = []; if (textShadow && textShadow !== 'none') { var shadows = textShadow.match(this.TEXT_SHADOW_PROPERTY); for (var i = 0; shadows && (i < shadows.length); i++) { var s = shadows[i].match(this.TEXT_SHADOW_VALUES); results.push({ color: new Color(s[0]), offsetX: s[1] ? parseFloat(s[1].replace('px', '')) : 0, offsetY: s[2] ? parseFloat(s[2].replace('px', '')) : 0, blur: s[3] ? s[3].replace('px', '') : 0 }); } } return results; }; NodeContainer.prototype.parseTransform = function () { if (!this.transformData) { if (this.hasTransform()) { var offset = this.parseBounds(); var origin = this.prefixedCss('transformOrigin').split(' ').map(removePx).map(asFloat); origin[0] += offset.left; origin[1] += offset.top; this.transformData = { origin: origin, matrix: this.parseTransformMatrix() }; } else { this.transformData = { origin: [0, 0], matrix: [1, 0, 0, 1, 0, 0] }; } } return this.transformData; }; NodeContainer.prototype.parseTransformMatrix = function () { if (!this.transformMatrix) { var transform = this.prefixedCss('transform'); var matrix = transform ? parseMatrix(transform.match(this.MATRIX_PROPERTY)) : null; this.transformMatrix = matrix || [1, 0, 0, 1, 0, 0]; } return this.transformMatrix; }; NodeContainer.prototype.parseBounds = function () { return this.bounds || (this.bounds = this.hasTransform() ? offsetBounds(this.node) : getBounds(this.node)); }; NodeContainer.prototype.hasTransform = function () { return this.parseTransformMatrix().join(',') !== '1,0,0,1,0,0' || (this.parent && this.parent.hasTransform()); }; NodeContainer.prototype.getValue = function () { var value = this.node.value || ''; if (this.node.tagName === 'SELECT') { value = selectionValue(this.node); } else if (this.node.type === 'password') { value = Array(value.length + 1).join('\u2022'); // jshint ignore:line } return value.length === 0 ? (this.node.placeholder || '') : value; }; NodeContainer.prototype.MATRIX_PROPERTY = /(matrix|matrix3d)\((.+)\)/; NodeContainer.prototype.TEXT_SHADOW_PROPERTY = /((rgba|rgb)\([^\)]+\)(\s-?\d+px){0,})/g; NodeContainer.prototype.TEXT_SHADOW_VALUES = /(-?\d+px)|(#.+)|(rgb\(.+\))|(rgba\(.+\))/g; NodeContainer.prototype.CLIP = /^rect\((\d+)px,? (\d+)px,? (\d+)px,? (\d+)px\)$/; function selectionValue (node) { var option = node.options[node.selectedIndex || 0]; return option ? (option.text || '') : ''; } function parseMatrix (match) { if (match && match[1] === 'matrix') { return match[2].split(',').map(function (s) { return parseFloat(s.trim()); }); } else if (match && match[1] === 'matrix3d') { var matrix3d = match[2].split(',').map(function (s) { return parseFloat(s.trim()); }); return [matrix3d[0], matrix3d[1], matrix3d[4], matrix3d[5], matrix3d[12], matrix3d[13]]; } } function isPercentage (value) { return value.toString().indexOf('%') !== -1; } function removePx (str) { return str.replace('px', ''); } function asFloat (str) { return parseFloat(str); } module.exports = NodeContainer; }, {'./color': 3, './utils': 26}], 15: [function (_dereq_, module, exports) { var log = _dereq_('./log'); var punycode = _dereq_('punycode'); var NodeContainer = _dereq_('./nodecontainer'); var TextContainer = _dereq_('./textcontainer'); var PseudoElementContainer = _dereq_('./pseudoelementcontainer'); var FontMetrics = _dereq_('./fontmetrics'); var Color = _dereq_('./color'); var StackingContext = _dereq_('./stackingcontext'); var utils = _dereq_('./utils'); var bind = utils.bind; var getBounds = utils.getBounds; var parseBackgrounds = utils.parseBackgrounds; var offsetBounds = utils.offsetBounds; function NodeParser (element, renderer, support, imageLoader, options) { log('Starting NodeParser'); this.renderer = renderer; this.options = options; this.range = null; this.support = support; this.renderQueue = []; this.stack = new StackingContext(true, 1, element.ownerDocument, null); var parent = new NodeContainer(element, null); if (options.background) { renderer.rectangle(0, 0, renderer.width, renderer.height, new Color(options.background)); } if (element === element.ownerDocument.documentElement) { // http://www.w3.org/TR/css3-background/#special-backgrounds var canvasBackground = new NodeContainer(parent.color('backgroundColor').isTransparent() ? element.ownerDocument.body : element.ownerDocument.documentElement, null); renderer.rectangle(0, 0, renderer.width, renderer.height, canvasBackground.color('backgroundColor')); } parent.visibile = parent.isElementVisible(); this.createPseudoHideStyles(element.ownerDocument); this.disableAnimations(element.ownerDocument); this.nodes = flatten([parent].concat(this.getChildren(parent)).filter(function (container) { return container.visible = container.isElementVisible(); }).map(this.getPseudoElements, this)); this.fontMetrics = new FontMetrics(); log('Fetched nodes, total:', this.nodes.length); log('Calculate overflow clips'); this.calculateOverflowClips(); log('Start fetching images'); this.images = imageLoader.fetch(this.nodes.filter(isElement)); this.ready = this.images.ready.then(bind(function () { log('Images loaded, starting parsing'); log('Creating stacking contexts'); this.createStackingContexts(); log('Sorting stacking contexts'); this.sortStackingContexts(this.stack); this.parse(this.stack); log('Render queue created with ' + this.renderQueue.length + ' items'); return new Promise(bind(function (resolve) { if (!options.async) { this.renderQueue.forEach(this.paint, this); resolve(); } else if (typeof (options.async) === 'function') { options.async.call(this, this.renderQueue, resolve); } else if (this.renderQueue.length > 0) { this.renderIndex = 0; this.asyncRenderer(this.renderQueue, resolve); } else { resolve(); } }, this)); }, this)); } NodeParser.prototype.calculateOverflowClips = function () { this.nodes.forEach(function (container) { if (isElement(container)) { if (isPseudoElement(container)) { container.appendToDOM(); } container.borders = this.parseBorders(container); var clip = (container.css('overflow') === 'hidden') ? [container.borders.clip] : []; var cssClip = container.parseClip(); if (cssClip && ['absolute', 'fixed'].indexOf(container.css('position')) !== -1) { clip.push([['rect', container.bounds.left + cssClip.left, container.bounds.top + cssClip.top, cssClip.right - cssClip.left, cssClip.bottom - cssClip.top ]]); } container.clip = hasParentClip(container) ? container.parent.clip.concat(clip) : clip; container.backgroundClip = (container.css('overflow') !== 'hidden') ? container.clip.concat([container.borders.clip]) : container.clip; if (isPseudoElement(container)) { container.cleanDOM(); } } else if (isTextNode(container)) { container.clip = hasParentClip(container) ? container.parent.clip : []; } if (!isPseudoElement(container)) { container.bounds = null; } }, this); }; function hasParentClip (container) { return container.parent && container.parent.clip.length; } NodeParser.prototype.asyncRenderer = function (queue, resolve, asyncTimer) { asyncTimer = asyncTimer || Date.now(); this.paint(queue[this.renderIndex++]); if (queue.length === this.renderIndex) { resolve(); } else if (asyncTimer + 20 > Date.now()) { this.asyncRenderer(queue, resolve, asyncTimer); } else { setTimeout(bind(function () { this.asyncRenderer(queue, resolve); }, this), 0); } }; NodeParser.prototype.createPseudoHideStyles = function (document) { this.createStyles(document, '.' + PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE + ':before { content: "" !important; display: none !important; }' + '.' + PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER + ':after { content: "" !important; display: none !important; }'); }; NodeParser.prototype.disableAnimations = function (document) { this.createStyles(document, '* { -webkit-animation: none !important; -moz-animation: none !important; -o-animation: none !important; animation: none !important; ' + '-webkit-transition: none !important; -moz-transition: none !important; -o-transition: none !important; transition: none !important;}'); }; NodeParser.prototype.createStyles = function (document, styles) { var hidePseudoElements = document.createElement('style'); hidePseudoElements.innerHTML = styles; document.body.appendChild(hidePseudoElements); }; NodeParser.prototype.getPseudoElements = function (container) { var nodes = [[container]]; if (container.node.nodeType === Node.ELEMENT_NODE) { var before = this.getPseudoElement(container, ':before'); var after = this.getPseudoElement(container, ':after'); if (before) { nodes.push(before); } if (after) { nodes.push(after); } } return flatten(nodes); }; function toCamelCase (str) { return str.replace(/(\-[a-z])/g, function (match) { return match.toUpperCase().replace('-', ''); }); } NodeParser.prototype.getPseudoElement = function (container, type) { var style = container.computedStyle(type); if (!style || !style.content || style.content === 'none' || style.content === '-moz-alt-content' || style.display === 'none') { return null; } var content = stripQuotes(style.content); var isImage = content.substr(0, 3) === 'url'; var pseudoNode = document.createElement(isImage ? 'img' : 'html2canvaspseudoelement'); var pseudoContainer = new PseudoElementContainer(pseudoNode, container, type); for (var i = style.length - 1; i >= 0; i--) { var property = toCamelCase(style.item(i)); pseudoNode.style[property] = style[property]; } pseudoNode.className = PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE + ' ' + PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER; if (isImage) { pseudoNode.src = parseBackgrounds(content)[0].args[0]; return [pseudoContainer]; } else { var text = document.createTextNode(content); pseudoNode.appendChild(text); return [pseudoContainer, new TextContainer(text, pseudoContainer)]; } }; NodeParser.prototype.getChildren = function (parentContainer) { return flatten([].filter.call(parentContainer.node.childNodes, renderableNode).map(function (node) { var container = [node.nodeType === Node.TEXT_NODE ? new TextContainer(node, parentContainer) : new NodeContainer(node, parentContainer)].filter(nonIgnoredElement); return node.nodeType === Node.ELEMENT_NODE && container.length && node.tagName !== 'TEXTAREA' ? (container[0].isElementVisible() ? container.concat(this.getChildren(container[0])) : []) : container; }, this)); }; NodeParser.prototype.newStackingContext = function (container, hasOwnStacking) { var stack = new StackingContext(hasOwnStacking, container.getOpacity(), container.node, container.parent); container.cloneTo(stack); var parentStack = hasOwnStacking ? stack.getParentStack(this) : stack.parent.stack; parentStack.contexts.push(stack); container.stack = stack; }; NodeParser.prototype.createStackingContexts = function () { this.nodes.forEach(function (container) { if (isElement(container) && (this.isRootElement(container) || hasOpacity(container) || isPositionedForStacking(container) || this.isBodyWithTransparentRoot(container) || container.hasTransform())) { this.newStackingContext(container, true); } else if (isElement(container) && ((isPositioned(container) && zIndex0(container)) || isInlineBlock(container) || isFloating(container))) { this.newStackingContext(container, false); } else { container.assignStack(container.parent.stack); } }, this); }; NodeParser.prototype.isBodyWithTransparentRoot = function (container) { return container.node.nodeName === 'BODY' && container.parent.color('backgroundColor').isTransparent(); }; NodeParser.prototype.isRootElement = function (container) { return container.parent === null; }; NodeParser.prototype.sortStackingContexts = function (stack) { stack.contexts.sort(zIndexSort(stack.contexts.slice(0))); stack.contexts.forEach(this.sortStackingContexts, this); }; NodeParser.prototype.parseTextBounds = function (container) { return function (text, index, textList) { if (container.parent.css('textDecoration').substr(0, 4) !== 'none' || text.trim().length !== 0) { if (this.support.rangeBounds && !container.parent.hasTransform()) { var offset = textList.slice(0, index).join('').length; return this.getRangeBounds(container.node, offset, text.length); } else if (container.node && typeof (container.node.data) === 'string') { var replacementNode = container.node.splitText(text.length); var bounds = this.getWrapperBounds(container.node, container.parent.hasTransform()); container.node = replacementNode; return bounds; } } else if (!this.support.rangeBounds || container.parent.hasTransform()) { container.node = container.node.splitText(text.length); } return {}; }; }; NodeParser.prototype.getWrapperBounds = function (node, transform) { var wrapper = node.ownerDocument.createElement('html2canvaswrapper'); var parent = node.parentNode, backupText = node.cloneNode(true); wrapper.appendChild(node.cloneNode(true)); parent.replaceChild(wrapper, node); var bounds = transform ? offsetBounds(wrapper) : getBounds(wrapper); parent.replaceChild(backupText, wrapper); return bounds; }; NodeParser.prototype.getRangeBounds = function (node, offset, length) { var range = this.range || (this.range = node.ownerDocument.createRange()); range.setStart(node, offset); range.setEnd(node, offset + length); return range.getBoundingClientRect(); }; function ClearTransform () {} NodeParser.prototype.parse = function (stack) { // http://www.w3.org/TR/CSS21/visuren.html#z-index var negativeZindex = stack.contexts.filter(negativeZIndex); // 2. the child stacking contexts with negative stack levels (most negative first). var descendantElements = stack.children.filter(isElement); var descendantNonFloats = descendantElements.filter(not(isFloating)); var nonInlineNonPositionedDescendants = descendantNonFloats.filter(not(isPositioned)).filter(not(inlineLevel)); // 3 the in-flow, non-inline-level, non-positioned descendants. var nonPositionedFloats = descendantElements.filter(not(isPositioned)).filter(isFloating); // 4. the non-positioned floats. var inFlow = descendantNonFloats.filter(not(isPositioned)).filter(inlineLevel); // 5. the in-flow, inline-level, non-positioned descendants, including inline tables and inline blocks. 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. var text = stack.children.filter(isTextNode).filter(hasText); var positiveZindex = stack.contexts.filter(positiveZIndex); // 7. the child stacking contexts with positive stack levels (least positive first). negativeZindex.concat(nonInlineNonPositionedDescendants).concat(nonPositionedFloats) .concat(inFlow).concat(stackLevel0).concat(text).concat(positiveZindex).forEach(function (container) { this.renderQueue.push(container); if (isStackingContext(container)) { this.parse(container); this.renderQueue.push(new ClearTransform()); } }, this); }; NodeParser.prototype.paint = function (container) { try { if (container instanceof ClearTransform) { this.renderer.ctx.restore(); } else if (isTextNode(container)) { if (isPseudoElement(container.parent)) { container.parent.appendToDOM(); } this.paintText(container); if (isPseudoElement(container.parent)) { container.parent.cleanDOM(); } } else { this.paintNode(container); } } catch (e) { log(e); if (this.options.strict) { throw e; } } }; NodeParser.prototype.paintNode = function (container) { if (isStackingContext(container)) { this.renderer.setOpacity(container.opacity); this.renderer.ctx.save(); if (container.hasTransform()) { this.renderer.setTransform(container.parseTransform()); } } if (container.node.nodeName === 'INPUT' && container.node.type === 'checkbox') { this.paintCheckbox(container); } else if (container.node.nodeName === 'INPUT' && container.node.type === 'radio') { this.paintRadio(container); } else { this.paintElement(container); } }; NodeParser.prototype.paintElement = function (container) { var bounds = container.parseBounds(); this.renderer.clip(container.backgroundClip, function () { this.renderer.renderBackground(container, bounds, container.borders.borders.map(getWidth)); }, this); this.renderer.clip(container.clip, function () { this.renderer.renderBorders(container.borders.borders); }, this); this.renderer.clip(container.backgroundClip, function () { switch (container.node.nodeName) { case 'svg': case 'IFRAME': var imgContainer = this.images.get(container.node); if (imgContainer) { this.renderer.renderImage(container, bounds, container.borders, imgContainer); } else { log('Error loading <' + container.node.nodeName + '>', container.node); } break; case 'IMG': var imageContainer = this.images.get(container.node.src); if (imageContainer) { this.renderer.renderImage(container, bounds, container.borders, imageContainer); } else { log('Error loading <img>', container.node.src); } break; case 'CANVAS': this.renderer.renderImage(container, bounds, container.borders, {image: container.node}); break; case 'SELECT': case 'INPUT': case 'TEXTAREA': this.paintFormValue(container); break; } }, this); }; NodeParser.prototype.paintCheckbox = function (container) { var b = container.parseBounds(); var size = Math.min(b.width, b.height); var bounds = {width: size - 1, height: size - 1, top: b.top, left: b.left}; var r = [3, 3]; var radius = [r, r, r, r]; var borders = [1, 1, 1, 1].map(function (w) { return {color: new Color('#A5A5A5'), width: w}; }); var borderPoints = calculateCurvePoints(bounds, radius, borders); this.renderer.clip(container.backgroundClip, function () { this.renderer.rectangle(bounds.left + 1, bounds.top + 1, bounds.width - 2, bounds.height - 2, new Color('#DEDEDE')); this.renderer.renderBorders(calculateBorders(borders, bounds, borderPoints, radius)); if (container.node.checked) { this.renderer.font(new Color('#424242'), 'normal', 'normal', 'bold', (size - 3) + 'px', 'arial'); this.renderer.text('\u2714', bounds.left + size / 6, bounds.top + size - 1); } }, this); }; NodeParser.prototype.paintRadio = function (container) { var bounds = container.parseBounds(); var size = Math.min(bounds.width, bounds.height) - 2; this.renderer.clip(container.backgroundClip, function () { this.renderer.circleStroke(bounds.left + 1, bounds.top + 1, size, new Color('#DEDEDE'), 1, new Color('#A5A5A5')); if (container.node.checked) { this.renderer.circle(Math.ceil(bounds.left + size / 4) + 1, Math.ceil(bounds.top + size / 4) + 1, Math.floor(size / 2), new Color('#424242')); } }, this); }; NodeParser.prototype.paintFormValue = function (container) { var value = container.getValue(); if (value.length > 0) { var document = container.node.ownerDocument; var wrapper = document.createElement('html2canvaswrapper'); var properties = ['lineHeight', 'textAlign', 'fontFamily', 'fontWeight', 'fontSize', 'color', 'paddingLeft', 'paddingTop', 'paddingRight', 'paddingBottom', 'width', 'height', 'borderLeftStyle', 'borderTopStyle', 'borderLeftWidth', 'borderTopWidth', 'boxSizing', 'whiteSpace', 'wordWrap']; properties.forEach(function (property) { try { wrapper.style[property] = container.css(property); } catch (e) { // Older IE has issues with "border" log('html2canvas: Parse: Exception caught in renderFormValue: ' + e.message); } }); var bounds = container.parseBounds(); wrapper.style.position = 'fixed'; wrapper.style.left = bounds.left + 'px'; wrapper.style.top = bounds.top + 'px'; wrapper.textContent = value; document.body.appendChild(wrapper); this.paintText(new TextContainer(wrapper.firstChild, container)); document.body.removeChild(wrapper); } }; NodeParser.prototype.paintText = function (container) { container.applyTextTransform(); var characters = punycode.ucs2.decode(container.node.data); var textList = (!this.options.letterRendering || noLetterSpacing(container)) && !hasUnicode(container.node.data) ? getWords(characters) : characters.map(function (character) { return punycode.ucs2.encode([character]); }); var weight = container.parent.fontWeight(); var size = container.parent.css('fontSize'); var family = container.parent.css('fontFamily'); var shadows = container.parent.parseTextShadows(); this.renderer.font(container.parent.color('color'), container.parent.css('fontStyle'), container.parent.css('fontVariant'), weight, size, family); if (shadows.length) { // TODO: support multiple text shadows this.renderer.fontShadow(shadows[0].color, shadows[0].offsetX, shadows[0].offsetY, shadows[0].blur); } else { this.renderer.clearShadow(); } this.renderer.clip(container.parent.clip, function () { textList.map(this.parseTextBounds(container), this).forEach(function (bounds, index) { if (bounds) { this.renderer.text(textList[index], bounds.left, bounds.bottom); this.renderTextDecoration(container.parent, bounds, this.fontMetrics.getMetrics(family, size)); } }, this); }, this); }; NodeParser.prototype.renderTextDecoration = function (container, bounds, metrics) { switch (container.css('textDecoration').split(' ')[0]) { case 'underline': // Draws a line at the baseline of the font // 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 this.renderer.rectangle(bounds.left, Math.round(bounds.top + metrics.baseline + metrics.lineWidth), bounds.width, 1, container.color('color')); break; case 'overline': this.renderer.rectangle(bounds.left, Math.round(bounds.top), bounds.width, 1, container.color('color')); break; case 'line-through': // TODO try and find exact position for line-through this.renderer.rectangle(bounds.left, Math.ceil(bounds.top + metrics.middle + metrics.lineWidth), bounds.width, 1, container.color('color')); break; } }; var borderColorTransforms = { inset: [ ['darken', 0.60], ['darken', 0.10], ['darken', 0.10], ['darken', 0.60] ] }; NodeParser.prototype.parseBorders = function (container) { var nodeBounds = container.parseBounds(); var radius = getBorderRadiusData(container); var borders = ['Top', 'Right', 'Bottom', 'Left'].map(function (side, index) { var style = container.css('border' + side + 'Style'); var color = container.color('border' + side + 'Color'); if (style === 'inset' && color.isBlack()) { color = new Color([255, 255, 255, color.a]); // this is wrong, but } var colorTransform = borderColorTransforms[style] ? borderColorTransforms[style][index] : null; return { width: container.cssInt('border' + side + 'Width'), color: colorTransform ? color[colorTransform[0]](colorTransform[1]) : color, args: null }; }); var borderPoints = calculateCurvePoints(nodeBounds, radius, borders); return { clip: this.parseBackgroundClip(container, borderPoints, borders, radius, nodeBounds), borders: calculateBorders(borders, nodeBounds, borderPoints, radius) }; }; function calculateBorders (borders, nodeBounds, borderPoints, radius) { return borders.map(function (border, borderSide) { if (border.width > 0) { var bx = nodeBounds.left; var by = nodeBounds.top; var bw = nodeBounds.width; var bh = nodeBounds.height - (borders[2].width); switch (borderSide) { case 0: // top border bh = borders[0].width; border.args = drawSide({ c1: [bx, by], c2: [bx + bw, by], c3: [bx + bw - borders[1].width, by + bh], c4: [bx + borders[3].width, by + bh] }, radius[0], radius[1], borderPoints.topLeftOuter, borderPoints.topLeftInner, borderPoints.topRightOuter, borderPoints.topRightInner); break; case 1: // right border bx = nodeBounds.left + nodeBounds.width - (borders[1].width); bw = borders[1].width; border.args = drawSide({ c1: [bx + bw, by], c2: [bx + bw, by + bh + borders[2].width], c3: [bx, by + bh], c4: [bx, by + borders[0].width] }, radius[1], radius[2], borderPoints.topRightOuter, borderPoints.topRightInner, borderPoints.bottomRightOuter, borderPoints.bottomRightInner); break; case 2: // bottom border by = (by + nodeBounds.height) - (borders[2].width); bh = borders[2].width; border.args = drawSide({ c1: [bx + bw, by + bh], c2: [bx, by + bh], c3: [bx + borders[3].width, by], c4: [bx + bw - borders[3].width, by] }, radius[2], radius[3], borderPoints.bottomRightOuter, borderPoints.bottomRightInner, borderPoints.bottomLeftOuter, borderPoints.bottomLeftInner); break; case 3: // left border bw = borders[3].width; border.args = drawSide({ c1: [bx, by + bh + borders[2].width], c2: [bx, by], c3: [bx + bw, by + borders[0].width], c4: [bx + bw, by + bh] }, radius[3], radius[0], borderPoints.bottomLeftOuter, borderPoints.bottomLeftInner, borderPoints.topLeftOuter, borderPoints.topLeftInner); break; } } return border; }); } NodeParser.prototype.parseBackgroundClip = function (container, borderPoints, borders, radius, bounds) { var backgroundClip = container.css('backgroundClip'), borderArgs = []; switch (backgroundClip) { case 'content-box': case 'padding-box': parseCorner(borderArgs, radius[0], radius[1], borderPoints.topLeftInner, borderPoints.topRightInner, bounds.left + borders[3].width, bounds.top + borders[0].width); parseCorner(borderArgs, radius[1], radius[2], borderPoints.topRightInner, borderPoints.bottomRightInner, bounds.left + bounds.width - borders[1].width, bounds.top + borders[0].width); parseCorner(borderArgs, radius[2], radius[3], borderPoints.bottomRightInner, borderPoints.bottomLeftInner, bounds.left + bounds.width - borders[1].width, bounds.top + bounds.height - borders[2].width); parseCorner(borderArgs, radius[3], radius[0], borderPoints.bottomLeftInner, borderPoints.topLeftInner, bounds.left + borders[3].width, bounds.top + bounds.height - borders[2].width); break; default: parseCorner(borderArgs, radius[0], radius[1], borderPoints.topLeftOuter, borderPoints.topRightOuter, bounds.left, bounds.top); parseCorner(borderArgs, radius[1], radius[2], borderPoints.topRightOuter, borderPoints.bottomRightOuter, bounds.left + bounds.width, bounds.top); parseCorner(borderArgs, radius[2], radius[3], borderPoints.bottomRightOuter, borderPoints.bottomLeftOuter, bounds.left + bounds.width, bounds.top + bounds.height); parseCorner(borderArgs, radius[3], radius[0], borderPoints.bottomLeftOuter, borderPoints.topLeftOuter, bounds.left, bounds.top + bounds.height); break; } return borderArgs; }; function getCurvePoints (x, y, r1, r2) { var kappa = 4 * ((Math.sqrt(2) - 1) / 3); var ox = (r1) * kappa, // control point offset horizontal oy = (r2) * kappa, // control point offset vertical xm = x + r1, // x-middle ym = y + r2; // y-middle return { topLeft: bezierCurve({x: x, y: ym}, {x: x, y: ym - oy}, {x: xm - ox, y: y}, {x: xm, y: y}), topRight: bezierCurve({x: x, y: y}, {x: x + ox, y: y}, {x: xm, y: ym - oy}, {x: xm, y: ym}), bottomRight: bezierCurve({x: xm, y: y}, {x: xm, y: y + oy}, {x: x + ox, y: ym}, {x: x, y: ym}), bottomLeft: bezierCurve({x: xm, y: ym}, {x: xm - ox, y: ym}, {x: x, y: y + oy}, {x: x, y: y}) }; } function calculateCurvePoints (bounds, borderRadius, borders) { var x = bounds.left, y = bounds.top, width = bounds.width, height = bounds.height, tlh = borderRadius[0][0] < width / 2 ? borderRadius[0][0] : width / 2, tlv = borderRadius[0][1] < height / 2 ? borderRadius[0][1] : height / 2, trh = borderRadius[1][0] < width / 2 ? borderRadius[1][0] : width / 2, trv = borderRadius[1][1] < height / 2 ? borderRadius[1][1] : height / 2, brh = borderRadius[2][0] < width / 2 ? borderRadius[2][0] : width / 2, brv = borderRadius[2][1] < height / 2 ? borderRadius[2][1] : height / 2, blh = borderRadius[3][0] < width / 2 ? borderRadius[3][0] : width / 2, blv = borderRadius[3][1] < height / 2 ? borderRadius[3][1] : height / 2; var topWidth = width - trh, rightHeight = height - brv, bottomWidth = width - brh, leftHeight = height - blv; return { topLeftOuter: getCurvePoints(x, y, tlh, tlv).topLeft.subdivide(0.5), 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), topRightOuter: getCurvePoints(x + topWidth, y, trh, trv).topRight.subdivide(0.5), 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), bottomRightOuter: getCurvePoints(x + bottomWidth, y + rightHeight, brh, brv).bottomRight.subdivide(0.5), 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), bottomLeftOuter: getCurvePoints(x, y + leftHeight, blh, blv).bottomLeft.subdivide(0.5), bottomLeftInner: getCurvePoints(x + borders[3].width, y + leftHeight, Math.max(0, blh - borders[3].width), blv - borders[2].width).bottomLeft.subdivide(0.5) }; } function bezierCurve (start, startControl, endControl, end) { var lerp = function (a, b, t) { return { x: a.x + (b.x - a.x) * t, y: a.y + (b.y - a.y) * t }; }; return { start: start, startControl: startControl, endControl: endControl, end: end, subdivide: function (t) { var ab = lerp(start, startControl, t), bc = lerp(startControl, endControl, t), cd = lerp(endControl, end, t), abbc = lerp(ab, bc, t), bccd = lerp(bc, cd, t), dest = lerp(abbc, bccd, t); return [bezierCurve(start, ab, abbc, dest), bezierCurve(dest, bccd, cd, end)]; }, curveTo: function (borderArgs) { borderArgs.push(['bezierCurve', startControl.x, startControl.y, endControl.x, endControl.y, end.x, end.y]); }, curveToReversed: function (borderArgs) { borderArgs.push(['bezierCurve', endControl.x, endControl.y, startControl.x, startControl.y, start.x, start.y]); } }; } function drawSide (borderData, radius1, radius2, outer1, inner1, outer2, inner2) { var borderArgs = []; if (radius1[0] > 0 || radius1[1] > 0) { borderArgs.push(['line', outer1[1].start.x, outer1[1].start.y]); outer1[1].curveTo(borderArgs); } else { borderArgs.push([ 'line', borderData.c1[0], borderData.c1[1]]); } if (radius2[0] > 0 || radius2[1] > 0) { borderArgs.push(['line', outer2[0].start.x, outer2[0].start.y]); outer2[0].curveTo(borderArgs); borderArgs.push(['line', inner2[0].end.x, inner2[0].end.y]); inner2[0].curveToReversed(borderArgs); } else { borderArgs.push(['line', borderData.c2[0], borderData.c2[1]]); borderArgs.push(['line', borderData.c3[0], borderData.c3[1]]); } if (radius1[0] > 0 || radius1[1] > 0) { borderArgs.push(['line', inner1[1].end.x, inner1[1].end.y]); inner1[1].curveToReversed(borderArgs); } else { borderArgs.push(['line', borderData.c4[0], borderData.c4[1]]); } return borderArgs; } function parseCorner (borderArgs, radius1, radius2, corner1, corner2, x, y) { if (radius1[0] > 0 || radius1[1] > 0) { borderArgs.push(['line', corner1[0].start.x, corner1[0].start.y]); corner1[0].curveTo(borderArgs); corner1[1].curveTo(borderArgs); } else { borderArgs.push(['line', x, y]); } if (radius2[0] > 0 || radius2[1] > 0) { borderArgs.push(['line', corner2[0].start.x, corner2[0].start.y]); } } function negativeZIndex (container) { return container.cssInt('zIndex') < 0; } function positiveZIndex (container) { return container.cssInt('zIndex') > 0; } function zIndex0 (container) { return container.cssInt('zIndex') === 0; } function inlineLevel (container) { return ['inline', 'inline-block', 'inline-table'].indexOf(container.css('display')) !== -1; } function isStackingContext (container) { return (container instanceof StackingContext); } function hasText (container) { return container.node.data.trim().length > 0; } function noLetterSpacing (container) { return (/^(normal|none|0px)$/.test(container.parent.css('letterSpacing'))); } function getBorderRadiusData (container) { return ['TopLeft', 'TopRight', 'BottomRight', 'BottomLeft'].map(function (side) { var value = container.css('border' + side + 'Radius'); var arr = value.split(' '); if (arr.length <= 1) { arr[1] = arr[0]; } return arr.map(asInt); }); } function renderableNode (node) { return (node.nodeType === Node.TEXT_NODE || node.nodeType === Node.ELEMENT_NODE); } function isPositionedForStacking (container) { var position = container.css('position'); var zIndex = (['absolute', 'relative', 'fixed'].indexOf(position) !== -1) ? container.css('zIndex') : 'auto'; return zIndex !== 'auto'; } function isPositioned (container) { return container.css('position') !== 'static'; } function isFloating (container) { return container.css('float') !== 'none'; } function isInlineBlock (container) { return ['inline-block', 'inline-table'].indexOf(container.css('display')) !== -1; } function not (callback) { var context = this; return function () { return !callback.apply(context, arguments); }; } function isElement (container) { return container.node.nodeType === Node.ELEMENT_NODE; } function isPseudoElement (container) { return container.isPseudoElement === true; } function isTextNode (container) { return container.node.nodeType === Node.TEXT_NODE; } function zIndexSort (contexts) { return function (a, b) { return (a.cssInt('zIndex') + (contexts.indexOf(a) / contexts.length)) - (b.cssInt('zIndex') + (contexts.indexOf(b) / contexts.length)); }; } function hasOpacity (container) { return container.getOpacity() < 1; } function asInt (value) { return parseInt(value, 10); } function getWidth (border) { return border.width; } function nonIgnoredElement (nodeContainer) { return (nodeContainer.node.nodeType !== Node.ELEMENT_NODE || ['SCRIPT', 'HEAD', 'TITLE', 'OBJECT', 'BR', 'OPTION'].indexOf(nodeContainer.node.nodeName) === -1); } function flatten (arrays) { return [].concat.apply([], arrays); } function stripQuotes (content) { var first = content.substr(0, 1); return (first === content.substr(content.length - 1) && first.match(/'|"/)) ? content.substr(1, content.length - 2) : content; } function getWords (characters) { var words = [], i = 0, onWordBoundary = false, word; while (characters.length) { if (isWordBoundary(characters[i]) === onWordBoundary) { word = characters.splice(0, i); if (word.length) { words.push(punycode.ucs2.encode(word)); } onWordBoundary = !onWordBoundary; i = 0; } else { i++; } if (i >= characters.length) { word = characters.splice(0, i); if (word.length) { words.push(punycode.ucs2.encode(word)); } } } return words; } function isWordBoundary (characterCode) { return [ 32, // <space> 13, // \r 10, // \n 9, // \t 45 // - ].indexOf(characterCode) !== -1; } function hasUnicode (string) { return (/[^\u0000-\u00ff]/).test(string); } module.exports = NodeParser; }, {'./color': 3, './fontmetrics': 7, './log': 13, './nodecontainer': 14, './pseudoelementcontainer': 18, './stackingcontext': 21, './textcontainer': 25, './utils': 26, 'punycode': 1}], 16: [function (_dereq_, module, exports) { var XHR = _dereq_('./xhr'); var utils = _dereq_('./utils'); var log = _dereq_('./log'); var createWindowClone = _dereq_('./clone'); var decode64 = utils.decode64; function Proxy (src, proxyUrl, document) { var supportsCORS = ('withCredentials' in new XMLHttpRequest()); if (!proxyUrl) { return Promise.reject('No proxy configured'); } var callback = createCallback(supportsCORS); var url = createProxyUrl(proxyUrl, src, callback); return supportsCORS ? XHR(url) : (jsonp(document, url, callback).then(function (response) { return decode64(response.content); })); } var proxyCount = 0; function ProxyURL (src, proxyUrl, document) { var supportsCORSImage = ('crossOrigin' in new Image()); var callback = createCallback(supportsCORSImage); var url = createProxyUrl(proxyUrl, src, callback); return (supportsCORSImage ? Promise.resolve(url) : jsonp(document, url, callback).then(function (response) { return 'data:' + response.type + ';base64,' + response.content; })); } function jsonp (document, url, callback) { return new Promise(function (resolve, reject) { var s = document.createElement('script'); var cleanup = function () { delete window.html2canvas.proxy[callback]; document.body.removeChild(s); }; window.html2canvas.proxy[callback] = function (response) { cleanup(); resolve(response); }; s.src = url; s.onerror = function (e) { cleanup(); reject(e); }; document.body.appendChild(s); }); } function createCallback (useCORS) { return !useCORS ? 'html2canvas_' + Date.now() + '_' + (++proxyCount) + '_' + Math.round(Math.random() * 100000) : ''; } function createProxyUrl (proxyUrl, src, callback) { return proxyUrl + '?url=' + encodeURIComponent(src) + (callback.length ? '&callback=html2canvas.proxy.' + callback : ''); } function documentFromHTML (src) { return function (html) { var parser = new DOMParser(), doc; try { doc = parser.parseFromString(html, 'text/html'); } catch (e) { log('DOMParser not supported, falling back to createHTMLDocument'); doc = document.implementation.createHTMLDocument(''); try { doc.open(); doc.write(html); doc.close(); } catch (ee) { log('createHTMLDocument write not supported, falling back to document.body.innerHTML'); doc.body.innerHTML = html; // ie9 doesnt support writing to documentElement } } var b = doc.querySelector('base'); if (!b || !b.href.host) { var base = doc.createElement('base'); base.href = src; doc.head.insertBefore(base, doc.head.firstChild); } return doc; }; } function loadUrlDocument (src, proxy, document, width, height, options) { return new Proxy(src, proxy, window.document).then(documentFromHTML(src)).then(function (doc) { return createWindowClone(doc, document, width, height, options, 0, 0); }); } exports.Proxy = Proxy; exports.ProxyURL = ProxyURL; exports.loadUrlDocument = loadUrlDocument; }, {'./clone': 2, './log': 13, './utils': 26, './xhr': 28}], 17: [function (_dereq_, module, exports) { var ProxyURL = _dereq_('./proxy').ProxyURL; function ProxyImageContainer (src, proxy) { var link = document.createElement('a'); link.href = src; src = link.href; this.src = src; this.image = new Image(); var self = this; this.promise = new Promise(function (resolve, reject) { self.image.crossOrigin = 'Anonymous'; self.image.onload = resolve; self.image.onerror = reject; new ProxyURL(src, proxy, document).then(function (url) { self.image.src = url; })['catch'](reject); }); } module.exports = ProxyImageContainer; }, {'./proxy': 16}], 18: [function (_dereq_, module, exports) { var NodeContainer = _dereq_('./nodecontainer'); function PseudoElementContainer (node, parent, type) { NodeContainer.call(this, node, parent); this.isPseudoElement = true; this.before = type === ':before'; } PseudoElementContainer.prototype.cloneTo = function (stack) { PseudoElementContainer.prototype.cloneTo.call(this, stack); stack.isPseudoElement = true; stack.before = this.before; }; PseudoElementContainer.prototype = Object.create(NodeContainer.prototype); PseudoElementContainer.prototype.appendToDOM = function () { if (this.before) { this.parent.node.insertBefore(this.node, this.parent.node.firstChild); } else { this.parent.node.appendChild(this.node); } this.parent.node.className += ' ' + this.getHideClass(); }; PseudoElementContainer.prototype.cleanDOM = function () { this.node.parentNode.removeChild(this.node); this.parent.node.className = this.parent.node.className.replace(this.getHideClass(), ''); }; PseudoElementContainer.prototype.getHideClass = function () { return this['PSEUDO_HIDE_ELEMENT_CLASS_' + (this.before ? 'BEFORE' : 'AFTER')]; }; PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_BEFORE = '___html2canvas___pseudoelement_before'; PseudoElementContainer.prototype.PSEUDO_HIDE_ELEMENT_CLASS_AFTER = '___html2canvas___pseudoelement_after'; module.exports = PseudoElementContainer; }, {'./nodecontainer': 14}], 19: [function (_dereq_, module, exports) { var log = _dereq_('./log'); function Renderer (width, height, images, options, document) { this.width = width; this.height = height; this.images = images; this.options = options; this.document = document; } Renderer.prototype.renderImage = function (container, bounds, borderData, imageContainer) { var paddingLeft = container.cssInt('paddingLeft'), paddingTop = container.cssInt('paddingTop'), paddingRight = container.cssInt('paddingRight'), paddingBottom = container.cssInt('paddingBottom'), borders = borderData.borders; var width = bounds.width - (borders[1].width + borders[3].width + paddingLeft + paddingRight); var height = bounds.height - (borders[0].width + borders[2].width + paddingTop + paddingBottom); this.drawImage( imageContainer, 0, 0, imageContainer.image.width || width, imageContainer.image.height || height, bounds.left + paddingLeft + borders[3].width, bounds.top + paddingTop + borders[0].width, width, height ); }; Renderer.prototype.renderBackground = function (container, bounds, borderData) { if (bounds.height > 0 && bounds.width > 0) { this.renderBackgroundColor(container, bounds); this.renderBackgroundImage(container, bounds, borderData); } }; Renderer.prototype.renderBackgroundColor = function (container, bounds) { var color = container.color('backgroundColor'); if (!color.isTransparent()) { this.rectangle(bounds.left, bounds.top, bounds.width, bounds.height, color); } }; Renderer.prototype.renderBorders = function (borders) { borders.forEach(this.renderBorder, this); }; Renderer.prototype.renderBorder = function (data) { if (!data.color.isTransparent() && data.args !== null) { this.drawShape(data.args, data.color); } }; Renderer.prototype.renderBackgroundImage = function (container, bounds, borderData) { var backgroundImages = container.parseBackgroundImages(); backgroundImages.reverse().forEach(function (backgroundImage, index, arr) { switch (backgroundImage.method) { case 'url': var image = this.images.get(backgroundImage.args[0]); if (image) { this.renderBackgroundRepeating(container, bounds, image, arr.length - (index + 1), borderData); } else { log('Error loading background-image', backgroundImage.args[0]); } break; case 'linear-gradient': case 'gradient': var gradientImage = this.images.get(backgroundImage.value); if (gradientImage) { this.renderBackgroundGradient(gradientImage, bounds, borderData); } else { log('Error loading background-image', backgroundImage.args[0]); } break; case 'none': break; default: log('Unknown background-image type', backgroundImage.args[0]); } }, this); }; Renderer.prototype.renderBackgroundRepeating = function (container, bounds, imageContainer, index, borderData) { var size = container.parseBackgroundSize(bounds, imageContainer.image, index); var position = container.parseBackgroundPosition(bounds, imageContainer.image, index, size); var repeat = container.parseBackgroundRepeat(index); switch (repeat) { case 'repeat-x': case 'repeat no-repeat': this.backgroundRepeatShape(imageContainer, position, size, bounds, bounds.left + borderData[3], bounds.top + position.top + borderData[0], 99999, size.height, borderData); break; case 'repeat-y': case 'no-repeat repeat': this.backgroundRepeatShape(imageContainer, position, size, bounds, bounds.left + position.left + borderData[3], bounds.top + borderData[0], size.width, 99999, borderData); break; case 'no-repeat': this.backgroundRepeatShape(imageContainer, position, size, bounds, bounds.left + position.left + borderData[3], bounds.top + position.top + borderData[0], size.width, size.height, borderData); break; default: this.renderBackgroundRepeat(imageContainer, position, size, {top: bounds.top, left: bounds.left}, borderData[3], borderData[0]); break; } }; module.exports = Renderer; }, {'./log': 13}], 20: [function (_dereq_, module, exports) { var Renderer = _dereq_('../renderer'); var LinearGradientContainer = _dereq_('../lineargradientcontainer'); var log = _dereq_('../log'); function CanvasRenderer (width, height) { Renderer.apply(this, arguments); this.canvas = this.options.canvas || this.document.createElement('canvas'); if (!this.options.canvas) { this.canvas.width = width; this.canvas.height = height; } this.ctx = this.canvas.getContext('2d'); this.taintCtx = this.document.createElement('canvas').getContext('2d'); this.ctx.textBaseline = 'bottom'; this.variables = {}; log('Initialized CanvasRenderer with size', width, 'x', height); } CanvasRenderer.prototype = Object.create(Renderer.prototype); CanvasRenderer.prototype.setFillStyle = function (fillStyle) { this.ctx.fillStyle = typeof (fillStyle) === 'object' && !!fillStyle.isColor ? fillStyle.toString() : fillStyle; return this.ctx; }; CanvasRenderer.prototype.rectangle = function (left, top, width, height, color) { this.setFillStyle(color).fillRect(left, top, width, height); }; CanvasRenderer.prototype.circle = function (left, top, size, color) { this.setFillStyle(color); this.ctx.beginPath(); this.ctx.arc(left + size / 2, top + size / 2, size / 2, 0, Math.PI * 2, true); this.ctx.closePath(); this.ctx.fill(); }; CanvasRenderer.prototype.circleStroke = function (left, top, size, color, stroke, strokeColor) { this.circle(left, top, size, color); this.ctx.strokeStyle = strokeColor.toString(); this.ctx.stroke(); }; CanvasRenderer.prototype.drawShape = function (shape, color) { this.shape(shape); this.setFillStyle(color).fill(); }; CanvasRenderer.prototype.taints = function (imageContainer) { if (imageContainer.tainted === null) { this.taintCtx.drawImage(imageContainer.image, 0, 0); try { this.taintCtx.getImageData(0, 0, 1, 1); imageContainer.tainted = false; } catch (e) { this.taintCtx = document.createElement('canvas').getContext('2d'); imageContainer.tainted = true; } } return imageContainer.tainted; }; CanvasRenderer.prototype.drawImage = function (imageContainer, sx, sy, sw, sh, dx, dy, dw, dh) { if (!this.taints(imageContainer) || this.options.allowTaint) { this.ctx.drawImage(imageContainer.image, sx, sy, sw, sh, dx, dy, dw, dh); } }; CanvasRenderer.prototype.clip = function (shapes, callback, context) { this.ctx.save(); shapes.filter(hasEntries).forEach(function (shape) { this.shape(shape).clip(); }, this); callback.call(context); this.ctx.restore(); }; CanvasRenderer.prototype.shape = function (shape) { this.ctx.beginPath(); shape.forEach(function (point, index) { if (point[0] === 'rect') { this.ctx.rect.apply(this.ctx, point.slice(1)); } else { this.ctx[(index === 0) ? 'moveTo' : point[0] + 'To' ].apply(this.ctx, point.slice(1)); } }, this); this.ctx.closePath(); return this.ctx; }; CanvasRenderer.prototype.font = function (color, style, variant, weight, size, family) { this.setFillStyle(color).font = [style, variant, weight, size, family].join(' ').split(',')[0]; }; CanvasRenderer.prototype.fontShadow = function (color, offsetX, offsetY, blur) { this.setVariable('shadowColor', color.toString()) .setVariable('shadowOffsetY', offsetX) .setVariable('shadowOffsetX', offsetY) .setVariable('shadowBlur', blur); }; CanvasRenderer.prototype.clearShadow = function () { this.setVariable('shadowColor', 'rgba(0,0,0,0)'); }; CanvasRenderer.prototype.setOpacity = function (opacity) { this.ctx.globalAlpha = opacity; }; CanvasRenderer.prototype.setTransform = function (transform) { this.ctx.translate(transform.origin[0], transform.origin[1]); this.ctx.transform.apply(this.ctx, transform.matrix); this.ctx.translate(-transform.origin[0], -transform.origin[1]); }; CanvasRenderer.prototype.setVariable = function (property, value) { if (this.variables[property] !== value) { this.variables[property] = this.ctx[property] = value; } return this; }; CanvasRenderer.prototype.text = function (text, left, bottom) { this.ctx.fillText(text, left, bottom); }; CanvasRenderer.prototype.backgroundRepeatShape = function (imageContainer, backgroundPosition, size, bounds, left, top, width, height, borderData) { var shape = [ ['line', Math.round(left), Math.round(top)], ['line', Math.round(left + width), Math.round(top)], ['line', Math.round(left + width), Math.round(height + top)], ['line', Math.round(left), Math.round(height + top)] ]; this.clip([shape], function () { this.renderBackgroundRepeat(imageContainer, backgroundPosition, size, bounds, borderData[3], borderData[0]); }, this); }; CanvasRenderer.prototype.renderBackgroundRepeat = function (imageContainer, backgroundPosition, size, bounds, borderLeft, borderTop) { var offsetX = Math.round(bounds.left + backgroundPosition.left + borderLeft), offsetY = Math.round(bounds.top + backgroundPosition.top + borderTop); this.setFillStyle(this.ctx.createPattern(this.resizeImage(imageContainer, size), 'repeat')); this.ctx.translate(offsetX, offsetY); this.ctx.fill(); this.ctx.translate(-offsetX, -offsetY); }; CanvasRenderer.prototype.renderBackgroundGradient = function (gradientImage, bounds) { if (gradientImage instanceof LinearGradientContainer) { var gradient = this.ctx.createLinearGradient( bounds.left + bounds.width * gradientImage.x0, bounds.top + bounds.height * gradientImage.y0, bounds.left + bounds.width * gradientImage.x1, bounds.top + bounds.height * gradientImage.y1); gradientImage.colorStops.forEach(function (colorStop) { gradient.addColorStop(colorStop.stop, colorStop.color.toString()); }); this.rectangle(bounds.left, bounds.top, bounds.width, bounds.height, gradient); } }; CanvasRenderer.prototype.resizeImage = function (imageContainer, size) { var image = imageContainer.image; if (image.width === size.width && image.height === size.height) { return image; } var ctx, canvas = document.createElement('canvas'); canvas.width = size.width; canvas.height = size.height; ctx = canvas.getContext('2d'); ctx.drawImage(image, 0, 0, image.width, image.height, 0, 0, size.width, size.height); return canvas; }; function hasEntries (array) { return array.length > 0; } module.exports = CanvasRenderer; }, {'../lineargradientcontainer': 12, '../log': 13, '../renderer': 19}], 21: [function (_dereq_, module, exports) { var NodeContainer = _dereq_('./nodecontainer'); function StackingContext (hasOwnStacking, opacity, element, parent) { NodeContainer.call(this, element, parent); this.ownStacking = hasOwnStacking; this.contexts = []; this.children = []; this.opacity = (this.parent ? this.parent.stack.opacity : 1) * opacity; } StackingContext.prototype = Object.create(NodeContainer.prototype); StackingContext.prototype.getParentStack = function (context) { var parentStack = (this.parent) ? this.parent.stack : null; return parentStack ? (parentStack.ownStacking ? parentStack : parentStack.getParentStack(context)) : context.stack; }; module.exports = StackingContext; }, {'./nodecontainer': 14}], 22: [function (_dereq_, module, exports) { function Support (document) { this.rangeBounds = this.testRangeBounds(document); this.cors = this.testCORS(); this.svg = this.testSVG(); } Support.prototype.testRangeBounds = function (document) { var range, testElement, rangeBounds, rangeHeight, support = false; if (document.createRange) { range = document.createRange(); if (range.getBoundingClientRect) { testElement = document.createElement('boundtest'); testElement.style.height = '123px'; testElement.style.display = 'block'; document.body.appendChild(testElement); range.selectNode(testElement); rangeBounds = range.getBoundingClientRect(); rangeHeight = rangeBounds.height; if (rangeHeight === 123) { support = true; } document.body.removeChild(testElement); } } return support; }; Support.prototype.testCORS = function () { return typeof ((new Image()).crossOrigin) !== 'undefined'; }; Support.prototype.testSVG = function () { var img = new Image(); var canvas = document.createElement('canvas'); var ctx = canvas.getContext('2d'); img.src = "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg'></svg>"; try { ctx.drawImage(img, 0, 0); canvas.toDataURL(); } catch (e) { return false; } return true; }; module.exports = Support; }, {}], 23: [function (_dereq_, module, exports) { var XHR = _dereq_('./xhr'); var decode64 = _dereq_('./utils').decode64; function SVGContainer (src) { this.src = src; this.image = null; var self = this; this.promise = this.hasFabric().then(function () { return (self.isInline(src) ? Promise.resolve(self.inlineFormatting(src)) : XHR(src)); }).then(function (svg) { return new Promise(function (resolve) { window.html2canvas.svg.fabric.loadSVGFromString(svg, self.createCanvas.call(self, resolve)); }); }); } SVGContainer.prototype.hasFabric = function () { return !window.html2canvas.svg || !window.html2canvas.svg.fabric ? Promise.reject(new Error('html2canvas.svg.js is not loaded, cannot render svg')) : Promise.resolve(); }; SVGContainer.prototype.inlineFormatting = function (src) { return (/^data:image\/svg\+xml;base64,/.test(src)) ? this.decode64(this.removeContentType(src)) : this.removeContentType(src); }; SVGContainer.prototype.removeContentType = function (src) { return src.replace(/^data:image\/svg\+xml(;base64)?,/, ''); }; SVGContainer.prototype.isInline = function (src) { return (/^data:image\/svg\+xml/i.test(src)); }; SVGContainer.prototype.createCanvas = function (resolve) { var self = this; return function (objects, options) { var canvas = new window.html2canvas.svg.fabric.StaticCanvas('c'); self.image = canvas.lowerCanvasEl; canvas .setWidth(options.width) .setHeight(options.height) .add(window.html2canvas.svg.fabric.util.groupSVGElements(objects, options)) .renderAll(); resolve(canvas.lowerCanvasEl); }; }; SVGContainer.prototype.decode64 = function (str) { return (typeof (window.atob) === 'function') ? window.atob(str) : decode64(str); }; module.exports = SVGContainer; }, {'./utils': 26, './xhr': 28}], 24: [function (_dereq_, module, exports) { var SVGContainer = _dereq_('./svgcontainer'); function SVGNodeContainer (node, _native) { this.src = node; this.image = null; var self = this; this.promise = _native ? new Promise(function (resolve, reject) { self.image = new Image(); self.image.onload = resolve; self.image.onerror = reject; self.image.src = 'data:image/svg+xml,' + (new XMLSerializer()).serializeToString(node); if (self.image.complete === true) { resolve(self.image); } }) : this.hasFabric().then(function () { return new Promise(function (resolve) { window.html2canvas.svg.fabric.parseSVGDocument(node, self.createCanvas.call(self, resolve)); }); }); } SVGNodeContainer.prototype = Object.create(SVGContainer.prototype); module.exports = SVGNodeContainer; }, {'./svgcontainer': 23}], 25: [function (_dereq_, module, exports) { var NodeContainer = _dereq_('./nodecontainer'); function TextContainer (node, parent) { NodeContainer.call(this, node, parent); } TextContainer.prototype = Object.create(NodeContainer.prototype); TextContainer.prototype.applyTextTransform = function () { this.node.data = this.transform(this.parent.css('textTransform')); }; TextContainer.prototype.transform = function (transform) { var text = this.node.data; switch (transform) { case 'lowercase': return text.toLowerCase(); case 'capitalize': return text.replace(/(^|\s|:|-|\(|\))([a-z])/g, capitalize); case 'uppercase': return text.toUpperCase(); default: return text; } }; function capitalize (m, p1, p2) { if (m.length > 0) { return p1 + p2.toUpperCase(); } } module.exports = TextContainer; }, {'./nodecontainer': 14}], 26: [function (_dereq_, module, exports) { exports.smallImage = function smallImage () { return 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'; }; exports.bind = function (callback, context) { return function () { return callback.apply(context, arguments); }; }; /* * base64-arraybuffer * https://github.com/niklasvh/base64-arraybuffer * * Copyright (c) 2012 Niklas von Hertzen * Licensed under the MIT license. */ exports.decode64 = function (base64) { var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var len = base64.length, i, encoded1, encoded2, encoded3, encoded4, byte1, byte2, byte3; var output = ''; for (i = 0; i < len; i += 4) { encoded1 = chars.indexOf(base64[i]); encoded2 = chars.indexOf(base64[i + 1]); encoded3 = chars.indexOf(base64[i + 2]); encoded4 = chars.indexOf(base64[i + 3]); byte1 = (encoded1 << 2) | (encoded2 >> 4); byte2 = ((encoded2 & 15) << 4) | (encoded3 >> 2); byte3 = ((encoded3 & 3) << 6) | encoded4; if (encoded3 === 64) { output += String.fromCharCode(byte1); } else if (encoded4 === 64 || encoded4 === -1) { output += String.fromCharCode(byte1, byte2); } else { output += String.fromCharCode(byte1, byte2, byte3); } } return output; }; exports.getBounds = function (node) { if (node.getBoundingClientRect) { var clientRect = node.getBoundingClientRect(); var width = node.offsetWidth == null ? clientRect.width : node.offsetWidth; return { top: clientRect.top, bottom: clientRect.bottom || (clientRect.top + clientRect.height), right: clientRect.left + width, left: clientRect.left, width: width, height: node.offsetHeight == null ? clientRect.height : node.offsetHeight }; } return {}; }; exports.offsetBounds = function (node) { var parent = node.offsetParent ? exports.offsetBounds(node.offsetParent) : {top: 0, left: 0}; return { top: node.offsetTop + parent.top, bottom: node.offsetTop + node.offsetHeight + parent.top, right: node.offsetLeft + parent.left + node.offsetWidth, left: node.offsetLeft + parent.left, width: node.offsetWidth, height: node.offsetHeight }; }; exports.parseBackgrounds = function (backgroundImage) { var whitespace = ' \r\n\t', method, definition, prefix, prefix_i, block, results = [], mode = 0, numParen = 0, quote, args; var appendResult = function () { if (method) { if (definition.substr(0, 1) === '"') { definition = definition.substr(1, definition.length - 2); } if (definition) { args.push(definition); } if (method.substr(0, 1) === '-' && (prefix_i = method.indexOf('-', 1) + 1) > 0) { prefix = method.substr(0, prefix_i); method = method.substr(prefix_i); } results.push({ prefix: prefix, method: method.toLowerCase(), value: block, args: args, image: null }); } args = []; method = prefix = definition = block = ''; }; args = []; method = prefix = definition = block = ''; backgroundImage.split('').forEach(function (c) { if (mode === 0 && whitespace.indexOf(c) > -1) { return; } switch (c) { case '"': if (!quote) { quote = c; } else if (quote === c) { quote = null; } break; case '(': if (quote) { break; } else if (mode === 0) { mode = 1; block += c; return; } else { numParen++; } break; case ')': if (quote) { break; } else if (mode === 1) { if (numParen === 0) { mode = 0; block += c; appendResult(); return; } else { numParen--; } } break; case ',': if (quote) { break; } else if (mode === 0) { appendResult(); return; } else if (mode === 1) { if (numParen === 0 && !method.match(/^url$/i)) { args.push(definition); definition = ''; block += c; return; } } break; } block += c; if (mode === 0) { method += c; } else { definition += c; } }); appendResult(); return results; }; }, {}], 27: [function (_dereq_, module, exports) { var GradientContainer = _dereq_('./gradientcontainer'); function WebkitGradientContainer (imageData) { GradientContainer.apply(this, arguments); this.type = imageData.args[0] === 'linear' ? GradientContainer.TYPES.LINEAR : GradientContainer.TYPES.RADIAL; } WebkitGradientContainer.prototype = Object.create(GradientContainer.prototype); module.exports = WebkitGradientContainer; }, {'./gradientcontainer': 9}], 28: [function (_dereq_, module, exports) { function XHR (url) { return new Promise(function (resolve, reject) { var xhr = new XMLHttpRequest(); xhr.open('GET', url); xhr.onload = function () { if (xhr.status === 200) { resolve(xhr.responseText); } else { reject(new Error(xhr.statusText)); } }; xhr.onerror = function () { reject(new Error('Network Error')); }; xhr.send(); }); } module.exports = XHR; }, {}]}, {}, [4])(4) }));