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@@ -1,3519 +0,0 @@
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-/*
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- html2canvas 0.5.0-beta3 <http://html2canvas.hertzen.com>
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- Copyright (c) 2016 Niklas von Hertzen
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-
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- Released under License
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-*/
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-
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-!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){
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-(function (global){
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-/*! http://mths.be/punycode v1.2.4 by @mathias */
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-;(function(root) {
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-
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- /** Detect free variables */
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- var freeExports = typeof exports == 'object' && exports;
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- var freeModule = typeof module == 'object' && module &&
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- module.exports == freeExports && module;
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- var freeGlobal = typeof global == 'object' && global;
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- if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
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- root = freeGlobal;
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- }
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-
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- /**
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- * The `punycode` object.
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- * @name punycode
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- * @type Object
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- */
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- var punycode,
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-
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- /** Highest positive signed 32-bit float value */
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- maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
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-
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- /** Bootstring parameters */
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- base = 36,
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- tMin = 1,
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- tMax = 26,
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- skew = 38,
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- damp = 700,
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- initialBias = 72,
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- initialN = 128, // 0x80
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- delimiter = '-', // '\x2D'
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-
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- /** Regular expressions */
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- regexPunycode = /^xn--/,
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- regexNonASCII = /[^ -~]/, // unprintable ASCII chars + non-ASCII chars
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- regexSeparators = /\x2E|\u3002|\uFF0E|\uFF61/g, // RFC 3490 separators
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-
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- /** Error messages */
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- errors = {
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- 'overflow': 'Overflow: input needs wider integers to process',
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- 'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
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- 'invalid-input': 'Invalid input'
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- },
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-
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- /** Convenience shortcuts */
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- baseMinusTMin = base - tMin,
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- floor = Math.floor,
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- stringFromCharCode = String.fromCharCode,
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-
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- /** Temporary variable */
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- key;
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-
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- /*--------------------------------------------------------------------------*/
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-
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- /**
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- * A generic error utility function.
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- * @private
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- * @param {String} type The error type.
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- * @returns {Error} Throws a `RangeError` with the applicable error message.
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- */
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- function error(type) {
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- throw RangeError(errors[type]);
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- }
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-
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- /**
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- * A generic `Array#map` utility function.
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- * @private
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- * @param {Array} array The array to iterate over.
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- * @param {Function} callback The function that gets called for every array
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- * item.
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- * @returns {Array} A new array of values returned by the callback function.
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- */
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- function map(array, fn) {
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- var length = array.length;
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- while (length--) {
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- array[length] = fn(array[length]);
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- }
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- return array;
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- }
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-
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- /**
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- * A simple `Array#map`-like wrapper to work with domain name strings.
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- * @private
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- * @param {String} domain The domain name.
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- * @param {Function} callback The function that gets called for every
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- * character.
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- * @returns {Array} A new string of characters returned by the callback
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- * function.
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- */
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- function mapDomain(string, fn) {
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- return map(string.split(regexSeparators), fn).join('.');
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- }
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-
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- /**
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- * Creates an array containing the numeric code points of each Unicode
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- * character in the string. While JavaScript uses UCS-2 internally,
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- * this function will convert a pair of surrogate halves (each of which
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- * UCS-2 exposes as separate characters) into a single code point,
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- * matching UTF-16.
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- * @see `punycode.ucs2.encode`
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- * @see <http://mathiasbynens.be/notes/javascript-encoding>
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- * @memberOf punycode.ucs2
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- * @name decode
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- * @param {String} string The Unicode input string (UCS-2).
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- * @returns {Array} The new array of code points.
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- */
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- function ucs2decode(string) {
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- var output = [],
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- counter = 0,
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- length = string.length,
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- value,
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- extra;
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- while (counter < length) {
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- value = string.charCodeAt(counter++);
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- if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
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- // high surrogate, and there is a next character
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- extra = string.charCodeAt(counter++);
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- if ((extra & 0xFC00) == 0xDC00) { // low surrogate
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- output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
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- } else {
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- // unmatched surrogate; only append this code unit, in case the next
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- // code unit is the high surrogate of a surrogate pair
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- output.push(value);
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- counter--;
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- }
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- } else {
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- output.push(value);
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- }
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- }
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- return output;
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- }
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-
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- /**
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- * Creates a string based on an array of numeric code points.
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- * @see `punycode.ucs2.decode`
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- * @memberOf punycode.ucs2
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- * @name encode
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- * @param {Array} codePoints The array of numeric code points.
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- * @returns {String} The new Unicode string (UCS-2).
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- */
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- function ucs2encode(array) {
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- return map(array, function(value) {
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- var output = '';
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- if (value > 0xFFFF) {
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- value -= 0x10000;
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- output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
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- value = 0xDC00 | value & 0x3FF;
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- }
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- output += stringFromCharCode(value);
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- return output;
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- }).join('');
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- }
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-
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- /**
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- * Converts a basic code point into a digit/integer.
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- * @see `digitToBasic()`
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- * @private
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- * @param {Number} codePoint The basic numeric code point value.
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- * @returns {Number} The numeric value of a basic code point (for use in
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- * representing integers) in the range `0` to `base - 1`, or `base` if
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- * the code point does not represent a value.
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- */
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- function basicToDigit(codePoint) {
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- if (codePoint - 48 < 10) {
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- return codePoint - 22;
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- }
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- if (codePoint - 65 < 26) {
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- return codePoint - 65;
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- }
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- if (codePoint - 97 < 26) {
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- return codePoint - 97;
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- }
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- return base;
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- }
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-
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- /**
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- * Converts a digit/integer into a basic code point.
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- * @see `basicToDigit()`
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- * @private
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- * @param {Number} digit The numeric value of a basic code point.
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- * @returns {Number} The basic code point whose value (when used for
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- * representing integers) is `digit`, which needs to be in the range
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- * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
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- * used; else, the lowercase form is used. The behavior is undefined
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- * if `flag` is non-zero and `digit` has no uppercase form.
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- */
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- function digitToBasic(digit, flag) {
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- // 0..25 map to ASCII a..z or A..Z
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- // 26..35 map to ASCII 0..9
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- return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
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- }
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-
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- /**
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- * Bias adaptation function as per section 3.4 of RFC 3492.
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- * http://tools.ietf.org/html/rfc3492#section-3.4
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- * @private
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- */
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- function adapt(delta, numPoints, firstTime) {
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- var k = 0;
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- delta = firstTime ? floor(delta / damp) : delta >> 1;
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- delta += floor(delta / numPoints);
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- for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
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- delta = floor(delta / baseMinusTMin);
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- }
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- return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
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- }
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-
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- /**
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- * Converts a Punycode string of ASCII-only symbols to a string of Unicode
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- * symbols.
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- * @memberOf punycode
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- * @param {String} input The Punycode string of ASCII-only symbols.
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- * @returns {String} The resulting string of Unicode symbols.
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- */
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- function decode(input) {
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- // Don't use UCS-2
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- var output = [],
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- inputLength = input.length,
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- out,
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- i = 0,
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- n = initialN,
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- bias = initialBias,
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- basic,
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- j,
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- index,
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- oldi,
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- w,
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- k,
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- digit,
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- t,
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- /** Cached calculation results */
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- baseMinusT;
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-
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- // Handle the basic code points: let `basic` be the number of input code
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- // points before the last delimiter, or `0` if there is none, then copy
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- // the first basic code points to the output.
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-
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- basic = input.lastIndexOf(delimiter);
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- if (basic < 0) {
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- basic = 0;
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- }
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-
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- for (j = 0; j < basic; ++j) {
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- // if it's not a basic code point
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- if (input.charCodeAt(j) >= 0x80) {
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- error('not-basic');
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- }
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- output.push(input.charCodeAt(j));
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- }
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-
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- // Main decoding loop: start just after the last delimiter if any basic code
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- // points were copied; start at the beginning otherwise.
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-
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- for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
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-
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- // `index` is the index of the next character to be consumed.
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- // Decode a generalized variable-length integer into `delta`,
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- // which gets added to `i`. The overflow checking is easier
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- // if we increase `i` as we go, then subtract off its starting
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- // value at the end to obtain `delta`.
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- for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
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-
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- if (index >= inputLength) {
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- error('invalid-input');
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- }
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-
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- digit = basicToDigit(input.charCodeAt(index++));
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-
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- if (digit >= base || digit > floor((maxInt - i) / w)) {
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- error('overflow');
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- }
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-
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- i += digit * w;
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- t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
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-
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- if (digit < t) {
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- break;
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- }
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-
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- baseMinusT = base - t;
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- if (w > floor(maxInt / baseMinusT)) {
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- error('overflow');
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- }
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-
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- w *= baseMinusT;
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-
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- }
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-
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- out = output.length + 1;
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- bias = adapt(i - oldi, out, oldi == 0);
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-
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- // `i` was supposed to wrap around from `out` to `0`,
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- // incrementing `n` each time, so we'll fix that now:
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- if (floor(i / out) > maxInt - n) {
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- error('overflow');
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- }
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-
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- n += floor(i / out);
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- i %= out;
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-
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- // Insert `n` at position `i` of the output
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- output.splice(i++, 0, n);
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-
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- }
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-
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- return ucs2encode(output);
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- }
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-
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- /**
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- * Converts a string of Unicode symbols to a Punycode string of ASCII-only
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- * symbols.
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- * @memberOf punycode
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- * @param {String} input The string of Unicode symbols.
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- * @returns {String} The resulting Punycode string of ASCII-only symbols.
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- */
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- function encode(input) {
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- var n,
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- delta,
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- handledCPCount,
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- basicLength,
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- bias,
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- j,
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- m,
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- q,
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- k,
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- t,
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- currentValue,
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- output = [],
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- /** `inputLength` will hold the number of code points in `input`. */
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- inputLength,
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- /** Cached calculation results */
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- handledCPCountPlusOne,
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- baseMinusT,
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- qMinusT;
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-
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- // Convert the input in UCS-2 to Unicode
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- input = ucs2decode(input);
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-
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- // Cache the length
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- inputLength = input.length;
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-
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- // Initialize the state
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- n = initialN;
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- delta = 0;
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- bias = initialBias;
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-
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- // Handle the basic code points
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- for (j = 0; j < inputLength; ++j) {
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- currentValue = input[j];
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- if (currentValue < 0x80) {
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- output.push(stringFromCharCode(currentValue));
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- }
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- }
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-
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- handledCPCount = basicLength = output.length;
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-
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- // `handledCPCount` is the number of code points that have been handled;
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- // `basicLength` is the number of basic code points.
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-
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- // Finish the basic string - if it is not empty - with a delimiter
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- if (basicLength) {
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- output.push(delimiter);
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- }
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-
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- // Main encoding loop:
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- while (handledCPCount < inputLength) {
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-
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- // All non-basic code points < n have been handled already. Find the next
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- // larger one:
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- for (m = maxInt, j = 0; j < inputLength; ++j) {
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- currentValue = input[j];
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- if (currentValue >= n && currentValue < m) {
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- m = currentValue;
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- }
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- }
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-
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- // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
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- // but guard against overflow
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- handledCPCountPlusOne = handledCPCount + 1;
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- if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
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- error('overflow');
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- }
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-
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- delta += (m - n) * handledCPCountPlusOne;
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- n = m;
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-
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- for (j = 0; j < inputLength; ++j) {
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- currentValue = input[j];
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-
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- if (currentValue < n && ++delta > maxInt) {
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- error('overflow');
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- }
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-
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- if (currentValue == n) {
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- // Represent delta as a generalized variable-length integer
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- for (q = delta, k = base; /* no condition */; k += base) {
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- t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
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- if (q < t) {
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- break;
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- }
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|
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- 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([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)
|
|
|
-});
|
