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|
- /*
- 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?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) {
- 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(res, 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);
- console.log(stack.children)
- };
- 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 ? 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)
- });
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