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qrious2.min.js

qrious2.min.js 18 KB
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  1. /*  QRious v5.0.0   | (C) 2024 Tara Rostami     | GPL v3 License
    2. 

  2.     QRious v4.0.2   | (C) 2017 Alasdair Mercer  | GPL v3 License
    3. 

  3. Based on jsqrencode | (C) 2010 [email protected]    | GPL v3 License
    4. 

  4. */
    5. 

  5. !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.QRious=e()}(this,function(){"use strict";var t=function(){},e=Object.prototype.hasOwnProperty,i=Array.prototype.slice;function s(t,s,n){n=i.call(arguments,2);for(var r,a,o=0,h=n.length;o<h;o++)for(r in a=n[o])(!t||e.call(a,r))&&(s[r]=a[r])}function n(){}n.class_="Nevis",n.super_=Object,n.extend=function(e,i,n,r){var a,o,h,f=this;return"string"!=typeof e&&(r=n,n=i,i=e,e=null),"function"!=typeof i&&(r=n,n=i,i=function(){return f.apply(this,arguments)}),s(!1,i,f,r),i.prototype=(a=f.prototype,o=n,"function"==typeof Object.create?h=Object.create(a):(t.prototype=a,h=new t,t.prototype=null),o&&s(!0,h,o),h),i.prototype.constructor=i,i.class_=e||f.class_,i.super_=f,i};var r=n.extend(function(t,e,i){this.qrious=t,this.element=e,this.element.qrious=t,this.enabled=!!i},{draw:function(t){},getElement:function(){return this.enabled||(this.enabled=!0,this.render()),this.element},getModuleSize:function(t){var e=this.qrious,i=e.padding||0;return Math.max(1,(e.size-2*i)/t.width)},getOffset:function(t){var e=this.qrious,i=e.padding,s=this.getModuleSize(t),n=Math.floor((e.size-s*t.width)/2);return null!=i&&i>n?i:Math.max(0,n)},render:function(t){this.enabled&&(this.resize(),this.reset(),this.draw(t))},reset:function(){},resize:function(){}}),a=r.extend({draw:function(t){var e,i,s=this.qrious,n=this.getModuleSize(t),r=this.getOffset(t),a=this.element.getContext("2d"),o=s.positionCorner,h=s.dataCornerTL,f=s.dataCornerTR,c=s.dataCornerBR,u=s.dataCornerBL,l=s.positionSep||"D",_=s.dataSep||"D";for(e=0,a.fillStyle=s.foreground,a.globalAlpha=s.foregroundAlpha;e<t.width;e++)for(i=0;i<t.width;i++)if(t.buffer[i*t.width+e]){var d=Math.floor(n*e+r),v=Math.floor(n*i+r),p=Math.ceil(n);if(t._isBoldMasked(e,i)){if("E"===l)var d=Math.ceil(n*e+r),v=Math.ceil(n*i+r),p=Math.floor(n);a.roundRect(d,v,p,p,o)}else{if("E"===_)var d=Math.ceil(n*e+r),v=Math.ceil(n*i+r),p=Math.floor(n);a.roundRect(d,v,p,p,[h,f,c,u])}}a.fill()},reset:function(){var t=this.qrious,e=this.element.getContext("2d"),i=t.size;e.lineWidth=1,e.clearRect(0,0,i,i),e.fillStyle=t.background,e.globalAlpha=t.backgroundAlpha,e.fillRect(0,0,i,i)},resize:function(){var t=this.element;t.width=t.height=this.qrious.size}}),o=n.extend(null,{BLOCK:[0,11,15,19,23,27,31,16,18,20,22,24,26,28,20,22,24,24,26,28,28,22,24,24,26,26,28,28,24,24,26,26,26,28,28,24,26,26,26,28,28]}),h=n.extend(null,{BLOCKS:[1,0,19,7,1,0,16,10,1,0,13,13,1,0,9,17,1,0,34,10,1,0,28,16,1,0,22,22,1,0,16,28,1,0,55,15,1,0,44,26,2,0,17,18,2,0,13,22,1,0,80,20,2,0,32,18,2,0,24,26,4,0,9,16,1,0,108,26,2,0,43,24,2,2,15,18,2,2,11,22,2,0,68,18,4,0,27,16,4,0,19,24,4,0,15,28,2,0,78,20,4,0,31,18,2,4,14,18,4,1,13,26,2,0,97,24,2,2,38,22,4,2,18,22,4,2,14,26,2,0,116,30,3,2,36,22,4,4,16,20,4,4,12,24,2,2,68,18,4,1,43,26,6,2,19,24,6,2,15,28,4,0,81,20,1,4,50,30,4,4,22,28,3,8,12,24,2,2,92,24,6,2,36,22,4,6,20,26,7,4,14,28,4,0,107,26,8,1,37,22,8,4,20,24,12,4,11,22,3,1,115,30,4,5,40,24,11,5,16,20,11,5,12,24,5,1,87,22,5,5,41,24,5,7,24,30,11,7,12,24,5,1,98,24,7,3,45,28,15,2,19,24,3,13,15,30,1,5,107,28,10,1,46,28,1,15,22,28,2,17,14,28,5,1,120,30,9,4,43,26,17,1,22,28,2,19,14,28,3,4,113,28,3,11,44,26,17,4,21,26,9,16,13,26,3,5,107,28,3,13,41,26,15,5,24,30,15,10,15,28,4,4,116,28,17,0,42,26,17,6,22,28,19,6,16,30,2,7,111,28,17,0,46,28,7,16,24,30,34,0,13,24,4,5,121,30,4,14,47,28,11,14,24,30,16,14,15,30,6,4,117,30,6,14,45,28,11,16,24,30,30,2,16,30,8,4,106,26,8,13,47,28,7,22,24,30,22,13,15,30,10,2,114,28,19,4,46,28,28,6,22,28,33,4,16,30,8,4,122,30,22,3,45,28,8,26,23,30,12,28,15,30,3,10,117,30,3,23,45,28,4,31,24,30,11,31,15,30,7,7,116,30,21,7,45,28,1,37,23,30,19,26,15,30,5,10,115,30,19,10,47,28,15,25,24,30,23,25,15,30,13,3,115,30,2,29,46,28,42,1,24,30,23,28,15,30,17,0,115,30,10,23,46,28,10,35,24,30,19,35,15,30,17,1,115,30,14,21,46,28,29,19,24,30,11,46,15,30,13,6,115,30,14,23,46,28,44,7,24,30,59,1,16,30,12,7,121,30,12,26,47,28,39,14,24,30,22,41,15,30,6,14,121,30,6,34,47,28,46,10,24,30,2,64,15,30,17,4,122,30,29,14,46,28,49,10,24,30,24,46,15,30,4,18,122,30,13,32,46,28,48,14,24,30,42,32,15,30,20,4,117,30,40,7,47,28,43,22,24,30,10,67,15,30,19,6,118,30,18,31,47,28,34,34,24,30,20,61,15,30],FINAL_FORMAT:[30660,29427,32170,30877,26159,25368,27713,26998,21522,20773,24188,23371,17913,16590,20375,19104,13663,12392,16177,14854,9396,8579,11994,11245,5769,5054,7399,6608,1890,597,3340,2107],LEVELS:{L:1,M:2,Q:3,H:4}}),f=n.extend(null,{EXPONENT:[1,2,4,8,16,32,64,128,29,58,116,232,205,135,19,38,76,152,45,90,180,117,234,201,143,3,6,12,24,48,96,192,157,39,78,156,37,74,148,53,106,212,181,119,238,193,159,35,70,140,5,10,20,40,80,160,93,186,105,210,185,111,222,161,95,190,97,194,153,47,94,188,101,202,137,15,30,60,120,240,253,231,211,187,107,214,177,127,254,225,223,163,91,182,113,226,217,175,67,134,17,34,68,136,13,26,52,104,208,189,103,206,129,31,62,124,248,237,199,147,59,118,236,197,151,51,102,204,133,23,46,92,184,109,218,169,79,158,33,66,132,21,42,84,168,77,154,41,82,164,85,170,73,146,57,114,228,213,183,115,230,209,191,99,198,145,63,126,252,229,215,179,123,246,241,255,227,219,171,75,150,49,98,196,149,55,110,220,165,87,174,65,130,25,50,100,200,141,7,14,28,56,112,224,221,167,83,166,81,162,89,178,121,242,249,239,195,155,43,86,172,69,138,9,18,36,72,144,61,122,244,245,247,243,251,235,203,139,11,22,44,88,176,125,250,233,207,131,27,54,108,216,173,71,142,0],LOG:[255,0,1,25,2,50,26,198,3,223,51,238,27,104,199,75,4,100,224,14,52,141,239,129,28,193,105,248,200,8,76,113,5,138,101,47,225,36,15,33,53,147,142,218,240,18,130,69,29,181,194,125,106,39,249,185,201,154,9,120,77,228,114,166,6,191,139,98,102,221,48,253,226,152,37,179,16,145,34,136,54,208,148,206,143,150,219,189,241,210,19,92,131,56,70,64,30,66,182,163,195,72,126,110,107,58,40,84,250,133,186,61,202,94,155,159,10,21,121,43,78,212,229,172,115,243,167,87,7,112,192,247,140,128,99,13,103,74,222,237,49,197,254,24,227,165,153,119,38,184,180,124,17,68,146,217,35,32,137,46,55,63,209,91,149,188,207,205,144,135,151,178,220,252,190,97,242,86,211,171,20,42,93,158,132,60,57,83,71,109,65,162,31,45,67,216,183,123,164,118,196,23,73,236,127,12,111,246,108,161,59,82,41,157,85,170,251,96,134,177,187,204,62,90,203,89,95,176,156,169,160,81,11,245,22,235,122,117,44,215,79,174,213,233,230,231,173,232,116,214,244,234,168,80,88,175]}),c=n.extend(null,{BLOCK:[3220,1468,2713,1235,3062,1890,2119,1549,2344,2936,1117,2583,1330,2470,1667,2249,2028,3780,481,4011,142,3098,831,3445,592,2517,1776,2234,1951,2827,1070,2660,1345,3177]}),u=n.extend(function(t){var e,i,s,n,r,a=t.value.length;for(this._badness=[],this._level=h.LEVELS[t.level],this._polynomial=[],this._value=t.value,this._version=0,this._stringBuffer=[];this._version<40&&(this._version++,s=(this._level-1)*4+(this._version-1)*16,n=h.BLOCKS[s++],r=h.BLOCKS[s++],e=h.BLOCKS[s++],i=h.BLOCKS[s],!(a<=(s=e*(n+r)+r-3+(this._version<=9)))););this._dataBlock=e,this._eccBlock=i,this._neccBlock1=n,this._neccBlock2=r;var o=this.width=17+4*this._version;this.buffer=u._createArray(o*o),this._ecc=u._createArray(e+(e+i)*(n+r)+r),this._mask=u._createArray((o*(o+1)+1)/2),this._boldmask=u._createArray((o*(o+1)+1)/2),this._insertFinders(),this._insertAlignments(),this.buffer[8+o*(o-8)]=1,this._insertTimingGap(),this._reverseMask(),this._insertTimingRowAndColumn(),this._insertVersion(),this._syncMask(),this._convertBitStream(a),this._calculatePolynomial(),this._appendEccToData(),this._interleaveBlocks(),this._pack(),this._finish()},{_addAlignment:function(t,e){var i,s=this.buffer,n=this.width;for(i=-2,s[t+n*e]=1;i<2;i++)s[t+i+n*(e-2)]=1,s[t-2+n*(e+i+1)]=1,s[t+2+n*(e+i)]=1,s[t+i+1+n*(e+2)]=1;for(i=0;i<2;i++)this._setMask(t-1,e+i),this._setMask(t+1,e-i),this._setMask(t-i,e-1),this._setMask(t+i,e+1)},_appendData:function(t,e,i,s){var n,r,a,o=this._polynomial,h=this._stringBuffer;for(r=0;r<s;r++)h[i+r]=0;for(r=0;r<e;r++){if(255!==(n=f.LOG[h[t+r]^h[i]]))for(a=1;a<s;a++)h[i+a-1]=h[i+a]^f.EXPONENT[u._modN(n+o[s-a])];else for(a=i;a<i+s;a++)h[a]=h[a+1];h[i+s-1]=255===n?0:f.EXPONENT[u._modN(n+o[0])]}},_appendEccToData:function(){var t,e=0,i=this._dataBlock,s=this._calculateMaxLength(),n=this._eccBlock;for(t=0;t<this._neccBlock1;t++)this._appendData(e,i,s,n),e+=i,s+=n;for(t=0;t<this._neccBlock2;t++)this._appendData(e,i+1,s,n),e+=i+1,s+=n},_applyMask:function(t){var e,i,s,n,r=this.buffer,a=this.width;switch(t){case 0:for(n=0;n<a;n++)for(s=0;s<a;s++)s+n&1||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 1:for(n=0;n<a;n++)for(s=0;s<a;s++)1&n||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 2:for(n=0;n<a;n++)for(e=0,s=0;s<a;s++,e++)3===e&&(e=0),e||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 3:for(i=0,n=0;n<a;n++,i++)for(3===i&&(i=0),e=i,s=0;s<a;s++,e++)3===e&&(e=0),e||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 4:for(n=0;n<a;n++)for(e=0,i=n>>1&1,s=0;s<a;s++,e++)3===e&&(e=0,i=!i),i||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 5:for(i=0,n=0;n<a;n++,i++)for(3===i&&(i=0),e=0,s=0;s<a;s++,e++)3===e&&(e=0),(s&n&1)+!(!e|!i)||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 6:for(i=0,n=0;n<a;n++,i++)for(3===i&&(i=0),e=0,s=0;s<a;s++,e++)3===e&&(e=0),(s&n&1)+(e&&e===i)&1||this._isMasked(s,n)||(r[s+n*a]^=1);break;case 7:for(i=0,n=0;n<a;n++,i++)for(3===i&&(i=0),e=0,s=0;s<a;s++,e++)3===e&&(e=0),(e&&e===i)+(s+n&1)&1||this._isMasked(s,n)||(r[s+n*a]^=1)}},_calculateMaxLength:function(){return this._dataBlock*(this._neccBlock1+this._neccBlock2)+this._neccBlock2},_calculatePolynomial:function(){var t,e,i=this._eccBlock,s=this._polynomial;for(t=0,s[0]=1;t<i;t++){for(s[t+1]=1,e=t;e>0;e--)s[e]=s[e]?s[e-1]^f.EXPONENT[u._modN(f.LOG[s[e]]+t)]:s[e-1];s[0]=f.EXPONENT[u._modN(f.LOG[s[0]]+t)]}for(t=0;t<=i;t++)s[t]=f.LOG[s[t]]},_checkBadness:function(){var t,e,i,s,n,r=0,a=this._badness,o=this.buffer,h=this.width;for(n=0;n<h-1;n++)for(s=0;s<h-1;s++)(o[s+h*n]&&o[s+1+h*n]&&o[s+h*(n+1)]&&o[s+1+h*(n+1)]||!(o[s+h*n]||o[s+1+h*n]||o[s+h*(n+1)]||o[s+1+h*(n+1)]))&&(r+=u.N2);var f=0;for(n=0;n<h;n++){for(t=0,i=0,a[0]=0,s=0;s<h;s++)t===(e=o[s+h*n])?a[i]++:a[++i]=1,f+=(t=e)?1:-1;r+=this._getBadness(i)}f<0&&(f=-f);var c=0,l=f;for(l+=l<<2,l<<=1;l>h*h;)l-=h*h,c++;for(r+=c*u.N4,s=0;s<h;s++){for(t=0,i=0,a[0]=0,n=0;n<h;n++)t===(e=o[s+h*n])?a[i]++:a[++i]=1,t=e;r+=this._getBadness(i)}return r},_convertBitStream:function(t){var e,i,s=this._ecc,n=this._version;for(i=0;i<t;i++)s[i]=this._value.charCodeAt(i);var r=this._stringBuffer=s.slice(),a=this._calculateMaxLength();t>=a-2&&(t=a-2,n>9&&t--);var o=t;if(n>9){for(r[o+2]=0,r[o+3]=0;o--;)e=r[o],r[o+3]|=255&e<<4,r[o+2]=e>>4;r[2]|=255&t<<4,r[1]=t>>4,r[0]=64|t>>12}else{for(r[o+1]=0,r[o+2]=0;o--;)e=r[o],r[o+2]|=255&e<<4,r[o+1]=e>>4;r[1]|=255&t<<4,r[0]=64|t>>4}for(o=t+3-(n<10);o<a;)r[o++]=236,r[o++]=17},_getBadness:function(t){var e,i=0,s=this._badness;for(e=0;e<=t;e++)s[e]>=5&&(i+=u.N1+s[e]-5);for(e=3;e<t-1;e+=2)s[e-2]===s[e+2]&&s[e+2]===s[e-1]&&s[e-1]===s[e+1]&&3*s[e-1]===s[e]&&(0===s[e-3]||e+3>t||3*s[e-3]>=4*s[e]||3*s[e+3]>=4*s[e])&&(i+=u.N3);return i},_finish:function(){this._stringBuffer=this.buffer.slice();var t,e,i=0,s=3e4;for(e=0;e<8&&(this._applyMask(e),(t=this._checkBadness())<s&&(s=t,i=e),7!==i);e++)this.buffer=this._stringBuffer.slice();i!==e&&this._applyMask(i),s=h.FINAL_FORMAT[i+(this._level-1<<3)];var n=this.buffer,r=this.width;for(e=0;e<8;e++,s>>=1)1&s&&(n[r-1-e+8*r]=1,e<6?n[8+r*e]=1:n[8+r*(e+1)]=1);for(e=0;e<7;e++,s>>=1)1&s&&(n[8+r*(r-7+e)]=1,e?n[6-e+8*r]=1:n[7+8*r]=1)},_interleaveBlocks:function(){var t,e,i=this._dataBlock,s=this._ecc,n=this._eccBlock,r=0,a=this._calculateMaxLength(),o=this._neccBlock1,h=this._neccBlock2,f=this._stringBuffer;for(t=0;t<i;t++){for(e=0;e<o;e++)s[r++]=f[t+e*i];for(e=0;e<h;e++)s[r++]=f[o*i+t+e*(i+1)]}for(e=0;e<h;e++)s[r++]=f[o*i+t+e*(i+1)];for(t=0;t<n;t++)for(e=0;e<o+h;e++)s[r++]=f[a+t+e*n];this._stringBuffer=s},_insertAlignments:function(){var t,e,i,s=this._version,n=this.width;if(s>1)for(t=o.BLOCK[s],i=n-7;;){for(e=n-7;e>t-3&&(this._addAlignment(e,i),!(e<t));)e-=t;if(i<=t+9)break;i-=t,this._addAlignment(6,i),this._addAlignment(i,6)}},_insertFinders:function(){var t,e,i,s,n=this.buffer,r=this.width;for(t=0;t<3;t++){for(e=0,s=0,1===t&&(e=r-7),2===t&&(s=r-7),n[s+3+r*(e+3)]=1,i=0;i<6;i++)n[s+i+r*e]=1,n[s+r*(e+i+1)]=1,n[s+6+r*(e+i)]=1,n[s+i+1+r*(e+6)]=1;for(i=1;i<5;i++)this._setMask(s+i,e+1),this._setMask(s+1,e+i+1),this._setMask(s+5,e+i),this._setMask(s+i+1,e+5);for(i=2;i<4;i++)n[s+i+r*(e+2)]=1,n[s+2+r*(e+i+1)]=1,n[s+4+r*(e+i)]=1,n[s+i+1+r*(e+4)]=1}},_insertTimingGap:function(){var t,e,i=this.width;for(e=0;e<7;e++)this._setMask(7,e),this._setMask(i-8,e),this._setMask(7,e+i-7);for(t=0;t<8;t++)this._setMask(t,7),this._setMask(t+i-8,7),this._setMask(t,i-8)},_insertTimingRowAndColumn:function(){var t,e=this.buffer,i=this.width;for(t=0;t<i-14;t++)1&t?(this._setMask(8+t,6),this._setMask(6,8+t)):(e[8+t+6*i]=1,e[6+i*(8+t)]=1)},_insertVersion:function(){var t,e,i,s,n=this.buffer,r=this._version,a=this.width;if(r>6)for(i=0,t=c.BLOCK[r-7],e=17;i<6;i++)for(s=0;s<3;s++,e--)1&(e>11?r>>e-12:t>>e)?(n[5-i+a*(2-s+a-11)]=1,n[2-s+a-11+a*(5-i)]=1):(this._setMask(5-i,2-s+a-11),this._setMask(2-s+a-11,5-i))},_isMasked:function(t,e){var i=u._getMaskBit(t,e);return 1===this._mask[i]},_isBoldMasked:function(t,e){var i=u._getMaskBit(t,e);return 1===this._boldmask[i]},_pack:function(){var t,e,i,s=1,n=1,r=this.width,a=r-1,o=r-1,h=(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2;for(e=0;e<h;e++)for(i=0,t=this._stringBuffer[e];i<8;i++,t<<=1){128&t&&(this.buffer[a+r*o]=1);do n?a--:(a++,s?0!==o?o--:(s=!s,6==(a-=2)&&(a--,o=9)):o!==r-1?o++:(s=!s,6==(a-=2)&&(a--,o-=8))),n=!n;while(this._isMasked(a,o))}},_reverseMask:function(){var t,e,i=this.width;for(t=0;t<9;t++)this._setMask(t,8);for(t=0;t<8;t++)this._setMask(t+i-8,8),this._setMask(8,t);for(e=0;e<7;e++)this._setMask(8,e+i-7)},_setMask:function(t,e){var i=u._getMaskBit(t,e);this._mask[i]=1},_setBoldMask:function(t,e){var i=u._getMaskBit(t,e);this._boldmask[i]=1},_syncMask:function(){var t,e,i=this.width;for(e=0;e<i;e++)for(t=0;t<=e;t++)this.buffer[t+i*e]&&(this._setMask(t,e),this._setBoldMask(t,e))}},{_createArray:function(t){var e,i=[];for(e=0;e<t;e++)i[e]=0;return i},_getMaskBit:function(t,e){var i;return t>e&&(i=t,t=e,e=i),i=(e+e*e>>1)+t},_modN:function(t){for(;t>=255;)t-=255,t=(t>>8)+(255&t);return t},N1:3,N2:3,N3:40,N4:10}),l=r.extend({draw:function(){this.element.src=this.qrious.toDataURL()},reset:function(){this.element.src=""},resize:function(){var t=this.element;t.width=t.height=this.qrious.size}}),_=n.extend(function(t,e,i,s){this.name=t,this.modifiable=!!e,this.defaultValue=i,this._valueTransformer=s},{transform:function(t){var e=this._valueTransformer;return"function"==typeof e?e(t,this):t}}),d=n.extend(null,{abs:function(t){return null!=t?Math.abs(t):null},hasOwn:function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},noop:function(){},toUpperCase:function(t){return null!=t?t.toUpperCase():null}}),v=n.extend(function(t){this.options={},t.forEach(function(t){this.options[t.name]=t},this)},{exists:function(t){return null!=this.options[t]},get:function(t,e){return v._get(this.options[t],e)},getAll:function(t){var e,i=this.options,s={};for(e in i)d.hasOwn(i,e)&&(s[e]=v._get(i[e],t));return s},init:function(t,e,i){var s,n;for(s in"function"!=typeof i&&(i=d.noop),this.options)d.hasOwn(this.options,s)&&(n=this.options[s],v._set(n,n.defaultValue,e),v._createAccessor(n,e,i));this._setAll(t,e,!0)},set:function(t,e,i){return this._set(t,e,i)},setAll:function(t,e){return this._setAll(t,e)},_set:function(t,e,i,s){var n=this.options[t];if(!n)throw Error("Invalid option: "+t);if(!n.modifiable&&!s)throw Error("Option cannot be modified: "+t);return v._set(n,e,i)},_setAll:function(t,e,i){if(!t)return!1;var s,n=!1;for(s in t)d.hasOwn(t,s)&&this._set(s,t[s],e,i)&&(n=!0);return n}},{_createAccessor:function(t,e,i){var s={get:function(){return v._get(t,e)}};t.modifiable&&(s.set=function(s){v._set(t,s,e)&&i(s,t)}),Object.defineProperty(e,t.name,s)},_get:function(t,e){return e["_"+t.name]},_set:function(t,e,i){var s="_"+t.name,n=i[s],r=t.transform(null!=e?e:t.defaultValue);return i[s]=r,r!==n}}),p=n.extend(function(){this._services={}},{getService:function(t){var e=this._services[t];if(!e)throw Error("Service is not being managed with name: "+t);return e},setService:function(t,e){if(this._services[t])throw Error("Service is already managed with name: "+t);e&&(this._services[t]=e)}}),k=new v([new _("background",!0,"white"),new _("backgroundAlpha",!0,1,d.abs),new _("element"),new _("foreground",!0,"black"),new _("foregroundAlpha",!0,1,d.abs),new _("level",!0,"L",d.toUpperCase),new _("positionSep",!0,"D",d.toUpperCase),new _("dataSep",!0,"D",d.toUpperCase),new _("mime",!0,"image/png"),new _("padding",!0,null,d.abs),new _("size",!0,100,d.abs),new _("value",!0,""),new _("positionCorner",!0,0,d.abs),new _("dataCornerTL",!0,0,d.abs),new _("dataCornerTR",!0,0,d.abs),new _("dataCornerBR",!0,0,d.abs),new _("dataCornerBL",!0,0,d.abs)]),m=new p,g=n.extend(function(t){k.init(t,this,this.update.bind(this));var e=k.get("element",this),i=m.getService("element"),s=e&&i.isCanvas(e)?e:i.createCanvas(),n=e&&i.isImage(e)?e:i.createImage();this._canvasRenderer=new a(this,s,!0),this._imageRenderer=new l(this,n,n===e),this.update()},{get:function(){return k.getAll(this)},set:function(t){k.setAll(t,this)&&this.update()},toDataURL:function(t){return this.canvas.toDataURL(t||this.mime)},update:function(){var t=new u({level:this.level,value:this.value});this._canvasRenderer.render(t),this._imageRenderer.render(t)}},{use:function(t){m.setService(t.getName(),t)}});Object.defineProperties(g.prototype,{canvas:{get:function(){return this._canvasRenderer.getElement()}},image:{get:function(){return this._imageRenderer.getElement()}}});var M=n.extend({getName:function(){}}).extend({createCanvas:function(){},createImage:function(){},getName:function(){return"element"},isCanvas:function(t){},isImage:function(t){}}).extend({createCanvas:function(){return document.createElement("canvas")},createImage:function(){return document.createElement("img")},isCanvas:function(t){return t instanceof HTMLCanvasElement},isImage:function(t){return t instanceof HTMLImageElement}});return g.use(new M),g});
    6.