/*!
* html2canvas 1.0.0-rc.7
* Copyright (c) 2020 Niklas von Hertzen
* Released under MIT License
*/
!function(A,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(A=A||self).html2canvas=e()}(this,(function(){"use strict";
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
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AA=45,eA=43,tA=-1,rA=function(A){return A>=48&&A<=57},nA=function(A){return rA(A)||A>=65&&A<=70||A>=97&&A<=102},BA=function(A){return 10===A||9===A||32===A},sA=function(A){return function(A){return function(A){return A>=97&&A<=122}(A)||function(A){return A>=65&&A<=90}(A)}(A)||function(A){return A>=128}(A)||95===A},oA=function(A){return sA(A)||rA(A)||A===AA},iA=function(A){return A>=0&&A<=8||11===A||A>=14&&A<=31||127===A},aA=function(A,e){return 92===A&&10!==e},cA=function(A,e,t){return A===AA?sA(e)||aA(e,t):!!sA(A)||!(92!==A||!aA(A,e))},QA=function(A,e,t){return A===eA||A===AA?!!rA(e)||46===e&&rA(t):rA(46===A?e:A)},uA=function(A){var e=0,t=1;A[e]!==eA&&A[e]!==AA||(A[e]===AA&&(t=-1),e++);for(var r=[];rA(A[e]);)r.push(A[e++]);var n=r.length?parseInt(i.apply(void 0,r),10):0;46===A[e]&&e++;for(var B=[];rA(A[e]);)B.push(A[e++]);var s=B.length,o=s?parseInt(i.apply(void 0,B),10):0;69!==A[e]&&101!==A[e]||e++;var a=1;A[e]!==eA&&A[e]!==AA||(A[e]===AA&&(a=-1),e++);for(var c=[];rA(A[e]);)c.push(A[e++]);var Q=c.length?parseInt(i.apply(void 0,c),10):0;return t*(n+o*Math.pow(10,-s))*Math.pow(10,a*Q)},wA={type:u.LEFT_PARENTHESIS_TOKEN},UA={type:u.RIGHT_PARENTHESIS_TOKEN},lA={type:u.COMMA_TOKEN},CA={type:u.SUFFIX_MATCH_TOKEN},gA={type:u.PREFIX_MATCH_TOKEN},EA={type:u.COLUMN_TOKEN},FA={type:u.DASH_MATCH_TOKEN},hA={type:u.INCLUDE_MATCH_TOKEN},HA={type:u.LEFT_CURLY_BRACKET_TOKEN},dA={type:u.RIGHT_CURLY_BRACKET_TOKEN},fA={type:u.SUBSTRING_MATCH_TOKEN},pA={type:u.BAD_URL_TOKEN},NA={type:u.BAD_STRING_TOKEN},KA={type:u.CDO_TOKEN},IA={type:u.CDC_TOKEN},TA={type:u.COLON_TOKEN},mA={type:u.SEMICOLON_TOKEN},RA={type:u.LEFT_SQUARE_BRACKET_TOKEN},LA={type:u.RIGHT_SQUARE_BRACKET_TOKEN},OA={type:u.WHITESPACE_TOKEN},vA={type:u.EOF_TOKEN},DA=function(){function A(){this._value=[]}return A.prototype.write=function(A){this._value=this._value.concat(o(A))},A.prototype.read=function(){for(var A=[],e=this.consumeToken();e!==vA;)A.push(e),e=this.consumeToken();return A},A.prototype.consumeToken=function(){var A=this.consumeCodePoint();switch(A){case 34:return this.consumeStringToken(34);case 35:var e=this.peekCodePoint(0),t=this.peekCodePoint(1),r=this.peekCodePoint(2);if(oA(e)||aA(t,r)){var n=cA(e,t,r)?2:1,B=this.consumeName();return{type:u.HASH_TOKEN,value:B,flags:n}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),CA;break;case 39:return this.consumeStringToken(39);case 40:return wA;case 41:return UA;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),fA;break;case eA:if(QA(A,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(A),this.consumeNumericToken();break;case 44:return lA;case AA:var s=A,o=this.peekCodePoint(0),a=this.peekCodePoint(1);if(QA(s,o,a))return this.reconsumeCodePoint(A),this.consumeNumericToken();if(cA(s,o,a))return this.reconsumeCodePoint(A),this.consumeIdentLikeToken();if(o===AA&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),IA;break;case 46:if(QA(A,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(A),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var c=this.consumeCodePoint();if(42===c&&47===(c=this.consumeCodePoint()))return this.consumeToken();if(c===tA)return this.consumeToken()}break;case 58:return TA;case 59:return mA;case 60:if(33===this.peekCodePoint(0)&&this.peekCodePoint(1)===AA&&this.peekCodePoint(2)===AA)return this.consumeCodePoint(),this.consumeCodePoint(),KA;break;case 64:var Q=this.peekCodePoint(0),w=this.peekCodePoint(1),U=this.peekCodePoint(2);if(cA(Q,w,U)){B=this.consumeName();return{type:u.AT_KEYWORD_TOKEN,value:B}}break;case 91:return RA;case 92:if(aA(A,this.peekCodePoint(0)))return this.reconsumeCodePoint(A),this.consumeIdentLikeToken();break;case 93:return LA;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),gA;break;case 123:return HA;case 125:return dA;case 117:case 85:var l=this.peekCodePoint(0),C=this.peekCodePoint(1);return l!==eA||!nA(C)&&63!==C||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(A),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),FA;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),EA;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),hA;break;case tA:return vA}return BA(A)?(this.consumeWhiteSpace(),OA):rA(A)?(this.reconsumeCodePoint(A),this.consumeNumericToken()):sA(A)?(this.reconsumeCodePoint(A),this.consumeIdentLikeToken()):{type:u.DELIM_TOKEN,value:i(A)}},A.prototype.consumeCodePoint=function(){var A=this._value.shift();return void 0===A?-1:A},A.prototype.reconsumeCodePoint=function(A){this._value.unshift(A)},A.prototype.peekCodePoint=function(A){return A>=this._value.length?-1:this._value[A]},A.prototype.consumeUnicodeRangeToken=function(){for(var A=[],e=this.consumeCodePoint();nA(e)&&A.length<6;)A.push(e),e=this.consumeCodePoint();for(var t=!1;63===e&&A.length<6;)A.push(e),e=this.consumeCodePoint(),t=!0;if(t){var r=parseInt(i.apply(void 0,A.map((function(A){return 63===A?48:A}))),16),n=parseInt(i.apply(void 0,A.map((function(A){return 63===A?70:A}))),16);return{type:u.UNICODE_RANGE_TOKEN,start:r,end:n}}var B=parseInt(i.apply(void 0,A),16);if(this.peekCodePoint(0)===AA&&nA(this.peekCodePoint(1))){this.consumeCodePoint(),e=this.consumeCodePoint();for(var s=[];nA(e)&&s.length<6;)s.push(e),e=this.consumeCodePoint();n=parseInt(i.apply(void 0,s),16);return{type:u.UNICODE_RANGE_TOKEN,start:B,end:n}}return{type:u.UNICODE_RANGE_TOKEN,start:B,end:B}},A.prototype.consumeIdentLikeToken=function(){var A=this.consumeName();return"url"===A.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:u.FUNCTION_TOKEN,value:A}):{type:u.IDENT_TOKEN,value:A}},A.prototype.consumeUrlToken=function(){var A=[];if(this.consumeWhiteSpace(),this.peekCodePoint(0)===tA)return{type:u.URL_TOKEN,value:""};var e=this.peekCodePoint(0);if(39===e||34===e){var t=this.consumeStringToken(this.consumeCodePoint());return t.type===u.STRING_TOKEN&&(this.consumeWhiteSpace(),this.peekCodePoint(0)===tA||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:u.URL_TOKEN,value:t.value}):(this.consumeBadUrlRemnants(),pA)}for(;;){var r=this.consumeCodePoint();if(r===tA||41===r)return{type:u.URL_TOKEN,value:i.apply(void 0,A)};if(BA(r))return this.consumeWhiteSpace(),this.peekCodePoint(0)===tA||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:u.URL_TOKEN,value:i.apply(void 0,A)}):(this.consumeBadUrlRemnants(),pA);if(34===r||39===r||40===r||iA(r))return this.consumeBadUrlRemnants(),pA;if(92===r){if(!aA(r,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),pA;A.push(this.consumeEscapedCodePoint())}else A.push(r)}},A.prototype.consumeWhiteSpace=function(){for(;BA(this.peekCodePoint(0));)this.consumeCodePoint()},A.prototype.consumeBadUrlRemnants=function(){for(;;){var A=this.consumeCodePoint();if(41===A||A===tA)return;aA(A,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},A.prototype.consumeStringSlice=function(A){for(var e="";A>0;){var t=Math.min(6e4,A);e+=i.apply(void 0,this._value.splice(0,t)),A-=t}return this._value.shift(),e},A.prototype.consumeStringToken=function(A){for(var e="",t=0;;){var r=this._value[t];if(r===tA||void 0===r||r===A)return e+=this.consumeStringSlice(t),{type:u.STRING_TOKEN,value:e};if(10===r)return this._value.splice(0,t),NA;if(92===r){var n=this._value[t+1];n!==tA&&void 0!==n&&(10===n?(e+=this.consumeStringSlice(t),t=-1,this._value.shift()):aA(r,n)&&(e+=this.consumeStringSlice(t),e+=i(this.consumeEscapedCodePoint()),t=-1))}t++}},A.prototype.consumeNumber=function(){var A=[],e=4,t=this.peekCodePoint(0);for(t!==eA&&t!==AA||A.push(this.consumeCodePoint());rA(this.peekCodePoint(0));)A.push(this.consumeCodePoint());t=this.peekCodePoint(0);var r=this.peekCodePoint(1);if(46===t&&rA(r))for(A.push(this.consumeCodePoint(),this.consumeCodePoint()),e=8;rA(this.peekCodePoint(0));)A.push(this.consumeCodePoint());t=this.peekCodePoint(0),r=this.peekCodePoint(1);var n=this.peekCodePoint(2);if((69===t||101===t)&&((r===eA||r===AA)&&rA(n)||rA(r)))for(A.push(this.consumeCodePoint(),this.consumeCodePoint()),e=8;rA(this.peekCodePoint(0));)A.push(this.consumeCodePoint());return[uA(A),e]},A.prototype.consumeNumericToken=function(){var A=this.consumeNumber(),e=A[0],t=A[1],r=this.peekCodePoint(0),n=this.peekCodePoint(1),B=this.peekCodePoint(2);if(cA(r,n,B)){var 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