1. 程式人生 > >html2canvas的0.5.0-beta4版本(可以解決圖片不清晰問題)

html2canvas的0.5.0-beta4版本(可以解決圖片不清晰問題)

/*
  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);
};

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([contain