qrious - npm Package Compare versions

Comparing version 2.0.2 to 2.1.0

CHANGES.md

@@ -0,1 +1,8 @@
+## Version 2.1.0, 2016.10.04
+
+* Allow `padding` to be set explicitly [#44](https://github.com/neocotic/qrious/issues/44)
+* Fix support for older browsers [#55](https://github.com/neocotic/qrious/issues/55)
+* Update code style to fit with other projects
+* Update build system to run on older Node.js versions at a reduced capacity
+
 ## Version 2.0.2, 2016.08.05
@@ -2,0 +9,0 @@

dist/umd/qrious.min.js

@@ -1,5 +0,7 @@
-/*! QRious v2.0.2 | (C) 2016 Alasdair Mercer | GPL v3 License
+/*! QRious v2.1.0 | (C) 2016 Alasdair Mercer | GPL v3 License
 Based on jsqrencode | (C) 2010 [e-mail] | GPL v3 License
 */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define("qrious",e):t.QRious=e()}(this,function(){"use strict";var t=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},e=function(){function t(t,e){for(var i=0;i<e.length;i++){var s=e[i];s.enumerable=s.enumerable||!1,s.configurable=!0,"value"in s&&(s.writable=!0),Object.defineProperty(t,s.key,s)}}return function(e,i,s){return i&&t(e.prototype,i),s&&t(e,s),e}}(),i=function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)},s=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e},r=function(){function i(){t(this,i)}return e(i,null,[{key:"privatize",value:function(t,e){for(var i in e)e.hasOwnProperty(i)&&(t["_"+i]=e[i]);return t}},{key:"setter",value:function(t,e,i,s,r){var n=t[e],a=null!=i?i:s;return"function"==typeof r&&(a=r(a)),t[e]=a,a!==n}},{key:"throwUnimplemented",value:function(t,e){throw new Error('"'+e+'" method must be implemented on the '+t+" class")}},{key:"toUpperCase",value:function(t){return null!=t&&t.toUpperCase()}}]),i}(),n=function(){function i(){t(this,i)}return e(i,[{key:"getName",value:function(){r.throwUnimplemented("Service","getName")}}]),i}(),a=function(n){function a(){return t(this,a),s(this,Object.getPrototypeOf(a).apply(this,arguments))}return i(a,n),e(a,[{key:"createCanvas",value:function(){r.throwUnimplemented("ElementService","createCanvas")}},{key:"createImage",value:function(){r.throwUnimplemented("ElementService","createImage")}},{key:"getName",value:function(){return"element"}},{key:"isCanvas",value:function(t){r.throwUnimplemented("ElementService","isCanvas")}},{key:"isImage",value:function(t){r.throwUnimplemented("ElementService","isImage")}}]),a}(n),h=function(r){function n(){return t(this,n),s(this,Object.getPrototypeOf(n).apply(this,arguments))}return i(n,r),e(n,[{key:"createCanvas",value:function(){return document.createElement("canvas")}},{key:"createImage",value:function(){return document.createElement("img")}},{key:"isCanvas",value:function(t){return t instanceof HTMLCanvasElement}},{key:"isImage",value:function(t){return t instanceof HTMLImageElement}}]),n}(a),o=function(){function i(e){t(this,i),this.qrious=e}return e(i,[{key:"draw",value:function(t){r.throwUnimplemented("Renderer","draw")}},{key:"getModuleSize",value:function(t){var e=Math.floor(this.qrious.size/t.width);return Math.max(1,e)}},{key:"getOffset",value:function(t){var e=this.getModuleSize(t),i=Math.floor((this.qrious.size-e*t.width)/2);return Math.max(0,i)}},{key:"render",value:function(t){this.resize(),this.reset(),this.draw(t)}},{key:"reset",value:function(){r.throwUnimplemented("Renderer","reset")}},{key:"resize",value:function(){r.throwUnimplemented("Renderer","resize")}}]),i}(),f=function(r){function n(){return t(this,n),s(this,Object.getPrototypeOf(n).apply(this,arguments))}return i(n,r),e(n,[{key:"draw",value:function(t){var e=this.qrious,i=this.getModuleSize(t),s=this.getOffset(t),r=e.canvas.getContext("2d");r.fillStyle=e.foreground;for(var n=0;n<t.width;n++)for(var a=0;a<t.width;a++)t.buffer[a*t.width+n]&&r.fillRect(i*n+s,i*a+s,i,i)}},{key:"reset",value:function(){var t=this.qrious,e=t.canvas.getContext("2d");e.lineWidth=1,e.clearRect(0,0,t.size,t.size),e.fillStyle=t.background,e.fillRect(0,0,t.size,t.size)}},{key:"resize",value:function(){var t=this.qrious,e=t.canvas;e.width=t.size,e.height=t.size}}]),n}(o),u=function(){function i(){t(this,i)}return e(i,null,[{key:"BLOCK",get:function(){return[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]}}]),i}(),c=function(){function i(){t(this,i)}return e(i,null,[{key:"BLOCKS",get:function(){return[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]}},{key:"FINAL_FORMAT",get:function(){return[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]}},{key:"LEVELS",get:function(){return{L:1,M:2,Q:3,H:4}}}]),i}(),l=function(){function i(){t(this,i)}return e(i,null,[{key:"EXPONENT",get:function(){return[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]}},{key:"LOG",get:function(){return[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]}}]),i}(),_=function(){function i(){t(this,i)}return e(i,null,[{key:"BLOCK",get:function(){return[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]}}]),i}(),v=function(){function i(e){t(this,i),this._badness=[],this._level=c.LEVELS[e.level],this._polynomial=[],this._value=e.value,this._valueLength=this._value.length,this._version=0,this._stringBuffer=[];for(var s=void 0,r=void 0,n=void 0,a=void 0;this._version<40;){this._version++;var h=4*(this._level-1)+16*(this._version-1);if(n=c.BLOCKS[h++],a=c.BLOCKS[h++],s=c.BLOCKS[h++],r=c.BLOCKS[h],h=s*(n+a)+a-3+(this._version<=9),this._valueLength<=h)break}this._dataBlock=s,this._eccBlock=r,this._neccBlock1=n,this._neccBlock2=a,this.width=17+4*this._version,this.buffer=i._createArray(this.width*this.width),this._ecc=i._createArray(this._dataBlock+(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2),this._mask=i._createArray((this.width*(this.width+1)+1)/2),this._insertFinders(),this._insertAlignments(),this.buffer[8+this.width*(this.width-8)]=1,this._insertTimingGap(),this._reverseMask(),this._insertTimingRowAndColumn(),this._insertVersion(),this._syncMask(),this._convertBitStream(this._value.length),this._calculatePolynomial(),this._appendEccToData(),this._interleaveBlocks(),this._pack(),this._finish()}return e(i,null,[{key:"_createArray",value:function(t){for(var e=[],i=0;i<t;i++)e[i]=0;return e}},{key:"_getMaskBit",value:function(t,e){var i=void 0;return t>e&&(i=t,t=e,e=i),i=e,i+=e*e,i>>=1,i+=t}},{key:"_modN",value:function(t){for(;t>=255;)t-=255,t=(t>>8)+(255&t);return t}},{key:"N1",get:function(){return 3}},{key:"N2",get:function(){return 3}},{key:"N3",get:function(){return 40}},{key:"N4",get:function(){return 10}}]),e(i,[{key:"_addAlignment",value:function(t,e){this.buffer[t+this.width*e]=1;for(var i=-2;i<2;i++)this.buffer[t+i+this.width*(e-2)]=1,this.buffer[t-2+this.width*(e+i+1)]=1,this.buffer[t+2+this.width*(e+i)]=1,this.buffer[t+i+1+this.width*(e+2)]=1;for(var s=0;s<2;s++)this._setMask(t-1,e+s),this._setMask(t+1,e-s),this._setMask(t-s,e-1),this._setMask(t+s,e+1)}},{key:"_appendData",value:function(t,e,s,r){for(var n=0;n<r;n++)this._stringBuffer[s+n]=0;for(var a=0;a<e;a++){var h=l.LOG[this._stringBuffer[t+a]^this._stringBuffer[s]];if(255!==h)for(var o=1;o<r;o++)this._stringBuffer[s+o-1]=this._stringBuffer[s+o]^l.EXPONENT[i._modN(h+this._polynomial[r-o])];else for(var f=s;f<s+r;f++)this._stringBuffer[f]=this._stringBuffer[f+1];this._stringBuffer[s+r-1]=255===h?0:l.EXPONENT[i._modN(h+this._polynomial[0])]}}},{key:"_appendEccToData",value:function(){for(var t=0,e=this._calculateMaxLength(),i=0;i<this._neccBlock1;i++)this._appendData(t,this._dataBlock,e,this._eccBlock),t+=this._dataBlock,e+=this._eccBlock;for(var s=0;s<this._neccBlock2;s++)this._appendData(t,this._dataBlock+1,e,this._eccBlock),t+=this._dataBlock+1,e+=this._eccBlock}},{key:"_applyMask",value:function(t){var e=this.width;switch(t){case 0:for(var i=0;i<e;i++)for(var s=0;s<e;s++)s+i&1||this._isMasked(s,i)||(this.buffer[s+i*e]^=1);break;case 1:for(var r=0;r<e;r++)for(var n=0;n<e;n++)1&r||this._isMasked(n,r)||(this.buffer[n+r*e]^=1);break;case 2:for(var a=0;a<e;a++)for(var h=0,o=0;o<e;o++,h++)3===h&&(h=0),h||this._isMasked(o,a)||(this.buffer[o+a*e]^=1);break;case 3:for(var f=0,u=0;u<e;u++,f++){3===f&&(f=0);for(var c=f,l=0;l<e;l++,c++)3===c&&(c=0),c||this._isMasked(l,u)||(this.buffer[l+u*e]^=1)}break;case 4:for(var _=0;_<e;_++)for(var v=0,k=_>>1&1,d=0;d<e;d++,v++)3===v&&(v=0,k=!k),k||this._isMasked(d,_)||(this.buffer[d+_*e]^=1);break;case 5:for(var g=0,y=0;y<e;y++,g++){3===g&&(g=0);for(var m=0,b=0;b<e;b++,m++)3===m&&(m=0),(b&y&1)+!(!m|!g)||this._isMasked(b,y)||(this.buffer[b+y*e]^=1)}break;case 6:for(var p=0,B=0;B<e;B++,p++){3===p&&(p=0);for(var w=0,M=0;M<e;M++,w++)3===w&&(w=0),(M&B&1)+(w&&w===p)&1||this._isMasked(M,B)||(this.buffer[M+B*e]^=1)}break;case 7:for(var O=0,L=0;L<e;L++,O++){3===O&&(O=0);for(var E=0,S=0;S<e;S++,E++)3===E&&(E=0),(E&&E===O)+(S+L&1)&1||this._isMasked(S,L)||(this.buffer[S+L*e]^=1)}}}},{key:"_calculateMaxLength",value:function(){return this._dataBlock*(this._neccBlock1+this._neccBlock2)+this._neccBlock2}},{key:"_calculatePolynomial",value:function(){this._polynomial[0]=1;for(var t=0;t<this._eccBlock;t++){this._polynomial[t+1]=1;for(var e=t;e>0;e--)this._polynomial[e]=this._polynomial[e]?this._polynomial[e-1]^l.EXPONENT[i._modN(l.LOG[this._polynomial[e]]+t)]:this._polynomial[e-1];this._polynomial[0]=l.EXPONENT[i._modN(l.LOG[this._polynomial[0]]+t)]}for(var s=0;s<=this._eccBlock;s++)this._polynomial[s]=l.LOG[this._polynomial[s]]}},{key:"_checkBadness",value:function(){for(var t=0,e=this.width,s=0;s<e-1;s++)for(var r=0;r<e-1;r++)(this.buffer[r+e*s]&&this.buffer[r+1+e*s]&&this.buffer[r+e*(s+1)]&&this.buffer[r+1+e*(s+1)]||!(this.buffer[r+e*s]||this.buffer[r+1+e*s]||this.buffer[r+e*(s+1)]||this.buffer[r+1+e*(s+1)]))&&(t+=i.N2);for(var n=0,a=0;a<e;a++){var h=0;this._badness[0]=0;for(var o=0,f=0;f<e;f++){var u=this.buffer[f+e*a];o===u?this._badness[h]++:this._badness[++h]=1,o=u,n+=o?1:-1}t+=this._getBadness(h)}n<0&&(n=-n);var c=0,l=n;for(l+=l<<2,l<<=1;l>e*e;)l-=e*e,c++;t+=c*i.N4;for(var _=0;_<e;_++){var v=0;this._badness[0]=0;for(var k=0,d=0;d<e;d++){var g=this.buffer[_+e*d];k===g?this._badness[v]++:this._badness[++v]=1,k=g}t+=this._getBadness(v)}return t}},{key:"_convertBitStream",value:function(t){for(var e=0;e<t;e++)this._ecc[e]=this._value.charCodeAt(e);this._stringBuffer=this._ecc.slice(0);var i=this._calculateMaxLength();t>=i-2&&(t=i-2,this._version>9&&t--);var s=t;if(this._version>9){for(this._stringBuffer[s+2]=0,this._stringBuffer[s+3]=0;s--;){var r=this._stringBuffer[s];this._stringBuffer[s+3]|=255&r<<4,this._stringBuffer[s+2]=r>>4}this._stringBuffer[2]|=255&t<<4,this._stringBuffer[1]=t>>4,this._stringBuffer[0]=64|t>>12}else{for(this._stringBuffer[s+1]=0,this._stringBuffer[s+2]=0;s--;){var n=this._stringBuffer[s];this._stringBuffer[s+2]|=255&n<<4,this._stringBuffer[s+1]=n>>4}this._stringBuffer[1]|=255&t<<4,this._stringBuffer[0]=64|t>>4}for(s=t+3-(this._version<10);s<i;)this._stringBuffer[s++]=236,this._stringBuffer[s++]=17}},{key:"_getBadness",value:function(t){for(var e=0,s=0;s<=t;s++)this._badness[s]>=5&&(e+=i.N1+this._badness[s]-5);for(var r=3;r<t-1;r+=2)this._badness[r-2]===this._badness[r+2]&&this._badness[r+2]===this._badness[r-1]&&this._badness[r-1]===this._badness[r+1]&&3*this._badness[r-1]===this._badness[r]&&(0===this._badness[r-3]||r+3>t||3*this._badness[r-3]>=4*this._badness[r]||3*this._badness[r+3]>=4*this._badness[r])&&(e+=i.N3);return e}},{key:"_finish",value:function(){this._stringBuffer=this.buffer.slice(0);var t=0,e=void 0,i=3e4;for(e=0;e<8;e++){this._applyMask(e);var s=this._checkBadness();if(s<i&&(i=s,t=e),7===t)break;this.buffer=this._stringBuffer.slice(0)}for(t!==e&&this._applyMask(t),i=c.FINAL_FORMAT[t+(this._level-1<<3)],e=0;e<8;e++,i>>=1)1&i&&(this.buffer[this.width-1-e+8*this.width]=1,e<6?this.buffer[8+this.width*e]=1:this.buffer[8+this.width*(e+1)]=1);for(e=0;e<7;e++,i>>=1)1&i&&(this.buffer[8+this.width*(this.width-7+e)]=1,e?this.buffer[6-e+8*this.width]=1:this.buffer[7+8*this.width]=1)}},{key:"_interleaveBlocks",value:function(){var t=this._calculateMaxLength(),e=void 0,i=0;for(e=0;e<this._dataBlock;e++){for(var s=0;s<this._neccBlock1;s++)this._ecc[i++]=this._stringBuffer[e+s*this._dataBlock];for(var r=0;r<this._neccBlock2;r++)this._ecc[i++]=this._stringBuffer[this._neccBlock1*this._dataBlock+e+r*(this._dataBlock+1)]}for(var n=0;n<this._neccBlock2;n++)this._ecc[i++]=this._stringBuffer[this._neccBlock1*this._dataBlock+e+n*(this._dataBlock+1)];for(e=0;e<this._eccBlock;e++)for(var 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o=4*(this._level-1)+16*(this._version-1);if(i=Li.BLOCKS[o++],s=Li.BLOCKS[o++],n=Li.BLOCKS[o++],r=Li.BLOCKS[o],o=n*(i+s)+s-3+(this._version<=9),this._valueLength<=o)break}this._dataBlock=n,this._eccBlock=r,this._neccBlock1=i,this._neccBlock2=s,this.width=17+4*this._version,this.buffer=t._createArray(this.width*this.width),this._ecc=t._createArray(this._dataBlock+(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2),this._mask=t._createArray((this.width*(this.width+1)+1)/2),this._insertFinders(),this._insertAlignments(),this.buffer[8+this.width*(this.width-8)]=1,this._insertTimingGap(),this._reverseMask(),this._insertTimingRowAndColumn(),this._insertVersion(),this._syncMask(),this._convertBitStream(this._value.length),this._calculatePolynomial(),this._appendEccToData(),this._interleaveBlocks(),this._pack(),this._finish()}return kt(t,null,[{key:"_createArray",value:function(t){for(var e=[],n=0;n<t;n++)e[n]=0;return e}},{key:"_getMaskBit",value:function(t,e){var n=void 0;return t>e&&(n=t,t=e,e=n),n=e,n+=e*e,n>>=1,n+=t}},{key:"_modN",value:function(t){for(;t>=255;)t-=255,t=(t>>8)+(255&t);return t}},{key:"N1",get:function(){return 3}},{key:"N2",get:function(){return 3}},{key:"N3",get:function(){return 40}},{key:"N4",get:function(){return 10}}]),kt(t,[{key:"_addAlignment",value:function(t,e){this.buffer[t+this.width*e]=1;for(var n=-2;n<2;n++)this.buffer[t+n+this.width*(e-2)]=1,this.buffer[t-2+this.width*(e+n+1)]=1,this.buffer[t+2+this.width*(e+n)]=1,this.buffer[t+n+1+this.width*(e+2)]=1;for(var r=0;r<2;r++)this._setMask(t-1,e+r),this._setMask(t+1,e-r),this._setMask(t-r,e-1),this._setMask(t+r,e+1)}},{key:"_appendData",value:function(e,n,r,i){for(var s=0;s<i;s++)this._stringBuffer[r+s]=0;for(var o=0;o<n;o++){var u=Ni.LOG[this._stringBuffer[e+o]^this._stringBuffer[r]];if(255!==u)for(var a=1;a<i;a++)this._stringBuffer[r+a-1]=this._stringBuffer[r+a]^Ni.EXPONENT[t._modN(u+this._polynomial[i-a])];else for(var f=r;f<r+i;f++)this._stringBuffer[f]=this._stringBuffer[f+1];this._stringBuffer[r+i-1]=255===u?0:Ni.EXPONENT[t._modN(u+this._polynomial[0])]}}},{key:"_appendEccToData",value:function(){for(var t=0,e=this._calculateMaxLength(),n=0;n<this._neccBlock1;n++)this._appendData(t,this._dataBlock,e,this._eccBlock),t+=this._dataBlock,e+=this._eccBlock;for(var r=0;r<this._neccBlock2;r++)this._appendData(t,this._dataBlock+1,e,this._eccBlock),t+=this._dataBlock+1,e+=this._eccBlock}},{key:"_applyMask",value:function(t){var e=this.width;switch(t){case 0:for(var n=0;n<e;n++)for(var r=0;r<e;r++)r+n&1||this._isMasked(r,n)||(this.buffer[r+n*e]^=1);break;case 1:for(var i=0;i<e;i++)for(var s=0;s<e;s++)1&i||this._isMasked(s,i)||(this.buffer[s+i*e]^=1);break;case 2:for(var o=0;o<e;o++)for(var u=0,a=0;a<e;a++,u++)3===u&&(u=0),u||this._isMasked(a,o)||(this.buffer[a+o*e]^=1);break;case 3:for(var f=0,c=0;c<e;c++,f++){3===f&&(f=0);for(var h=f,l=0;l<e;l++,h++)3===h&&(h=0),h||this._isMasked(l,c)||(this.buffer[l+c*e]^=1)}break;case 4:for(var _=0;_<e;_++)for(var v=0,d=_>>1&1,p=0;p<e;p++,v++)3===v&&(v=0,d=!d),d||this._isMasked(p,_)||(this.buffer[p+_*e]^=1);break;case 5:for(var y=0,k=0;k<e;k++,y++){3===y&&(y=0);for(var g=0,b=0;b<e;b++,g++)3===g&&(g=0),(b&k&1)+!(!g|!y)||this._isMasked(b,k)||(this.buffer[b+k*e]^=1)}break;case 6:for(var m=0,w=0;w<e;w++,m++){3===m&&(m=0);for(var B=0,O=0;O<e;O++,B++)3===B&&(B=0),(O&w&1)+(B&&B===m)&1||this._isMasked(O,w)||(this.buffer[O+w*e]^=1)}break;case 7:for(var M=0,S=0;S<e;S++,M++){3===M&&(M=0);for(var E=0,j=0;j<e;j++,E++)3===E&&(E=0),(E&&E===M)+(j+S&1)&1||this._isMasked(j,S)||(this.buffer[j+S*e]^=1)}}}},{key:"_calculateMaxLength",value:function(){return this._dataBlock*(this._neccBlock1+this._neccBlock2)+this._neccBlock2}},{key:"_calculatePolynomial",value:function(){this._polynomial[0]=1;for(var e=0;e<this._eccBlock;e++){this._polynomial[e+1]=1;for(var n=e;n>0;n--)this._polynomial[n]=this._polynomial[n]?this._polynomial[n-1]^Ni.EXPONENT[t._modN(Ni.LOG[this._polynomial[n]]+e)]:this._polynomial[n-1];this._polynomial[0]=Ni.EXPONENT[t._modN(Ni.LOG[this._polynomial[0]]+e)]}for(var r=0;r<=this._eccBlock;r++)this._polynomial[r]=Ni.LOG[this._polynomial[r]]}},{key:"_checkBadness",value:function(){for(var e=0,n=this.width,r=0;r<n-1;r++)for(var i=0;i<n-1;i++)(this.buffer[i+n*r]&&this.buffer[i+1+n*r]&&this.buffer[i+n*(r+1)]&&this.buffer[i+1+n*(r+1)]||!(this.buffer[i+n*r]||this.buffer[i+1+n*r]||this.buffer[i+n*(r+1)]||this.buffer[i+1+n*(r+1)]))&&(e+=t.N2);for(var s=0,o=0;o<n;o++){var u=0;this._badness[0]=0;for(var a=0,f=0;f<n;f++){var c=this.buffer[f+n*o];a===c?this._badness[u]++:this._badness[++u]=1,a=c,s+=a?1:-1}e+=this._getBadness(u)}s<0&&(s=-s);var h=0,l=s;for(l+=l<<2,l<<=1;l>n*n;)l-=n*n,h++;e+=h*t.N4;for(var _=0;_<n;_++){var v=0;this._badness[0]=0;for(var d=0,p=0;p<n;p++){var y=this.buffer[_+n*p];d===y?this._badness[v]++:this._badness[++v]=1,d=y}e+=this._getBadness(v)}return e}},{key:"_convertBitStream",value:function(t){for(var e=0;e<t;e++)this._ecc[e]=this._value.charCodeAt(e);this._stringBuffer=this._ecc.slice(0);var n=this._calculateMaxLength();t>=n-2&&(t=n-2,this._version>9&&t--);var r=t;if(this._version>9){for(this._stringBuffer[r+2]=0,this._stringBuffer[r+3]=0;r--;){var i=this._stringBuffer[r];this._stringBuffer[r+3]|=255&i<<4,this._stringBuffer[r+2]=i>>4}this._stringBuffer[2]|=255&t<<4,this._stringBuffer[1]=t>>4,this._stringBuffer[0]=64|t>>12}else{for(this._stringBuffer[r+1]=0,this._stringBuffer[r+2]=0;r--;){var s=this._stringBuffer[r];this._stringBuffer[r+2]|=255&s<<4,this._stringBuffer[r+1]=s>>4}this._stringBuffer[1]|=255&t<<4,this._stringBuffer[0]=64|t>>4}for(r=t+3-(this._version<10);r<n;)this._stringBuffer[r++]=236,this._stringBuffer[r++]=17}},{key:"_getBadness",value:function(e){for(var n=0,r=0;r<=e;r++)this._badness[r]>=5&&(n+=t.N1+this._badness[r]-5);for(var i=3;i<e-1;i+=2)this._badness[i-2]===this._badness[i+2]&&this._badness[i+2]===this._badness[i-1]&&this._badness[i-1]===this._badness[i+1]&&3*this._badness[i-1]===this._badness[i]&&(0===this._badness[i-3]||i+3>e||3*this._badness[i-3]>=4*this._badness[i]||3*this._badness[i+3]>=4*this._badness[i])&&(n+=t.N3);return n}},{key:"_finish",value:function(){this._stringBuffer=this.buffer.slice(0);var t=0,e=void 0,n=3e4;for(e=0;e<8;e++){this._applyMask(e);var r=this._checkBadness();if(r<n&&(n=r,t=e),7===t)break;this.buffer=this._stringBuffer.slice(0)}for(t!==e&&this._applyMask(t),n=Li.FINAL_FORMAT[t+(this._level-1<<3)],e=0;e<8;e++,n>>=1)1&n&&(this.buffer[this.width-1-e+8*this.width]=1,e<6?this.buffer[8+this.width*e]=1:this.buffer[8+this.width*(e+1)]=1);for(e=0;e<7;e++,n>>=1)1&n&&(this.buffer[8+this.width*(this.width-7+e)]=1,e?this.buffer[6-e+8*this.width]=1:this.buffer[7+8*this.width]=1)}},{key:"_interleaveBlocks",value:function(){var t=this._calculateMaxLength(),e=void 0,n=0;for(e=0;e<this._dataBlock;e++){for(var r=0;r<this._neccBlock1;r++)this._ecc[n++]=this._stringBuffer[e+r*this._dataBlock];for(var i=0;i<this._neccBlock2;i++)this._ecc[n++]=this._stringBuffer[this._neccBlock1*this._dataBlock+e+i*(this._dataBlock+1)]}for(var s=0;s<this._neccBlock2;s++)this._ecc[n++]=this._stringBuffer[this._neccBlock1*this._dataBlock+e+s*(this._dataBlock+1)];for(e=0;e<this._eccBlock;e++)for(var o=0;o<this._neccBlock1+this._neccBlock2;o++)this._ecc[n++]=this._stringBuffer[t+e+o*this._eccBlock];this._stringBuffer=this._ecc}},{key:"_insertAlignments",value:function(){var t=this.width;if(this._version>1)for(var e=ji.BLOCK[this._version],n=t-7;;){for(var r=t-7;r>e-3&&(this._addAlignment(r,n),!(r<e));)r-=e;if(n<=e+9)break;n-=e,this._addAlignment(6,n),this._addAlignment(n,6)}}},{key:"_insertFinders",value:function(){for(var t=this.width,e=0;e<3;e++){var n=0,r=0;1===e&&(n=t-7),2===e&&(r=t-7),this.buffer[r+3+t*(n+3)]=1;for(var i=0;i<6;i++)this.buffer[r+i+t*n]=1,this.buffer[r+t*(n+i+1)]=1,this.buffer[r+6+t*(n+i)]=1,this.buffer[r+i+1+t*(n+6)]=1;for(var s=1;s<5;s++)this._setMask(r+s,n+1),this._setMask(r+1,n+s+1),this._setMask(r+5,n+s),this._setMask(r+s+1,n+5);for(var o=2;o<4;o++)this.buffer[r+o+t*(n+2)]=1,
+this.buffer[r+2+t*(n+o+1)]=1,this.buffer[r+4+t*(n+o)]=1,this.buffer[r+o+1+t*(n+4)]=1}}},{key:"_insertTimingGap",value:function(){for(var t=this.width,e=0;e<7;e++)this._setMask(7,e),this._setMask(t-8,e),this._setMask(7,e+t-7);for(var n=0;n<8;n++)this._setMask(n,7),this._setMask(n+t-8,7),this._setMask(n,t-8)}},{key:"_insertTimingRowAndColumn",value:function(){for(var t=this.width,e=0;e<t-14;e++)1&e?(this._setMask(8+e,6),this._setMask(6,8+e)):(this.buffer[8+e+6*t]=1,this.buffer[6+t*(8+e)]=1)}},{key:"_insertVersion",value:function(){var t=this.width;if(this._version>6)for(var e=Pi.BLOCK[this._version-7],n=17,r=0;r<6;r++)for(var i=0;i<3;i++,n--)1&(n>11?this._version>>n-12:e>>n)?(this.buffer[5-r+t*(2-i+t-11)]=1,this.buffer[2-i+t-11+t*(5-r)]=1):(this._setMask(5-r,2-i+t-11),this._setMask(2-i+t-11,5-r))}},{key:"_isMasked",value:function(e,n){var r=t._getMaskBit(e,n);return 1===this._mask[r]}},{key:"_pack",value:function(){for(var t=this.width-1,e=this.width-1,n=1,r=1,i=(this._dataBlock+this._eccBlock)*(this._neccBlock1+this._neccBlock2)+this._neccBlock2,s=0;s<i;s++)for(var o=this._stringBuffer[s],u=0;u<8;u++,o<<=1){128&o&&(this.buffer[t+this.width*e]=1);do r?t--:(t++,n?0!==e?e--:(t-=2,n=!n,6===t&&(t--,e=9)):e!==this.width-1?e++:(t-=2,n=!n,6===t&&(t--,e-=8))),r=!r;while(this._isMasked(t,e))}}},{key:"_reverseMask",value:function(){for(var t=this.width,e=0;e<9;e++)this._setMask(e,8);for(var n=0;n<8;n++)this._setMask(n+t-8,8),this._setMask(8,n);for(var r=0;r<7;r++)this._setMask(8,r+t-7)}},{key:"_setMask",value:function(e,n){var r=t._getMaskBit(e,n);this._mask[r]=1}},{key:"_syncMask",value:function(){for(var t=this.width,e=0;e<t;e++)for(var n=0;n<=e;n++)this.buffer[n+t*e]&&this._setMask(n,e)}}]),t}(),Ti=function(t){function e(){return lt(this,e),Yr(this,(e.__proto__||ct(e)).apply(this,arguments))}return ci(e,t),kt(e,[{key:"draw",value:function(){var t=this.qrious;t.image.src=t.toDataURL()}},{key:"reset",value:function(){var t=this.qrious;t.image.src=""}},{key:"resize",value:function(){var t=this.qrious,e=t.image;e.width=t.size,e.height=t.size}}]),e}(Si),Ci=function(){function t(){lt(this,t),this._services={}}return kt(t,[{key:"getService",value:function(t){var e=this._services[t];if(!e)throw new Error("Service is not being managed with name: "+t);return e}},{key:"setService",value:function(t,e){if(this._services[t])throw new Error("Service is already managed with name: "+t);e&&(this._services[t]=e)}}]),t}(),Fi=function(){function t(e){lt(this,t),e=t._parseOptions(e),hi.privatize(this,e);var n=this._element,r=t._serviceManager.getService("element");this.canvas=n&&r.isCanvas(n)?n:r.createCanvas(),this.canvas.qrious=this,this.image=n&&r.isImage(n)?n:r.createImage(),this.image.qrious=this,this._renderers=[new Ei(this),new Ti(this)],this.update()}return kt(t,null,[{key:"use",value:function(e){t._serviceManager.setService(e.getName(),e)}},{key:"_parseOptions",value:function(e){return e=Mi({},t.DEFAULTS,e),e.level=hi.toUpperCase(e.level),e.padding=hi.abs(e.padding),e.size=hi.abs(e.size),e}},{key:"DEFAULTS",get:function(){return{background:"white",foreground:"black",level:"L",mime:"image/png",padding:null,size:100,value:""}}},{key:"VERSION",get:function(){return"2.1.0"}}]),kt(t,[{key:"toDataURL",value:function(t){return this.canvas.toDataURL(t||this.mime)}},{key:"update",value:function(){var t=new Ai({level:this.level,value:this.value});this._renderers.forEach(function(e){return e.render(t)})}},{key:"background",get:function(){return this._background},set:function(e){var n=hi.setter(this,"_background",e,t.DEFAULTS.background);n&&this.update()}},{key:"foreground",get:function(){return this._foreground},set:function(e){var n=hi.setter(this,"_foreground",e,t.DEFAULTS.foreground);n&&this.update()}},{key:"level",get:function(){return this._level},set:function(e){var n=hi.setter(this,"_level",e,t.DEFAULTS.level,hi.toUpperCase);n&&this.update()}},{key:"mime",get:function(){return this._mime},set:function(e){var n=hi.setter(this,"_mime",e,t.DEFAULTS.mime);n&&this.update()}},{key:"padding",get:function(){return this._padding},set:function(e){var n=hi.setter(this,"_padding",e,t.DEFAULTS.padding,hi.abs);n&&this.update()}},{key:"size",get:function(){return this._size},set:function(e){var n=hi.setter(this,"_size",e,t.DEFAULTS.size,hi.abs);n&&this.update()}},{key:"value",get:function(){return this._value},set:function(e){var n=hi.setter(this,"_value",e,t.DEFAULTS.value);n&&this.update()}}]),t}();return Fi._serviceManager=new Ci,Fi.use(new vi),Fi});
+
 //# sourceMappingURL=qrious.min.js.map

package.json

 {
   "name": "qrious",
-  "version": "2.0.2",
+  "version": "2.1.0",
   "description": "Library for QR code generation using canvas",
@@ -12,3 +12,3 @@ "homepage": "https://github.com/neocotic/qrious",
     "email": "[e-mail]",
-    "url": "http://neocotic.com"
+    "url": "https://neocotic.com"
   },
@@ -31,4 +31,7 @@ "license": "GPL-3.0",
   "devDependencies": {
-    "babel-eslint": "^6.1.0",
-    "babel-preset-es2015-rollup": "^1.1.1",
+    "babel-eslint": "^7.0.0",
+    "babel-plugin-transform-runtime": "^6.15.0",
+    "babel-preset-es2015": "^6.16.0",
+    "babel-runtime": "^6.11.6",
+    "eslint-config-skelp": "^0.1.5",
     "grunt": "^1.0.1",
@@ -38,8 +41,9 @@ "grunt-cli": "^1.2.0",
     "grunt-contrib-watch": "^1.0.0",
-    "grunt-eslint": "^18.1.0",
-    "grunt-rollup": "^0.7.1",
-    "load-grunt-tasks": "^3.5.0",
+    "grunt-eslint": "^19.0.0",
+    "grunt-rollup": "^0.8.0",
     "rollup-plugin-babel": "^2.6.1",
-    "rollup-plugin-node-resolve": "^1.7.1",
-    "rollup-plugin-uglify": "^1.0.1"
+    "rollup-plugin-commonjs": "^5.0.4",
+    "rollup-plugin-node-resolve": "^2.0.0",
+    "rollup-plugin-uglify": "^1.0.1",
+    "semver": "^5.3.0"
   },
@@ -46,0 +50,0 @@ "browser": "dist/umd/qrious.js",

README.md

@@ -114,2 +114,3 @@ .oooooo.      ooooooooo.    o8o
 | mime       | String | MIME type used to render the image for the QR code | `"image/png"` |
+| padding    | Number | Padding for the QR code (pixels)                   | `null` (auto) |
 | size       | Number | Size of the QR code (pixels)                       | `100`         |
@@ -123,2 +124,3 @@ | value      | String | Value encoded within the QR code                   | `""`          |
 qr.level = 'H'
+qr.padding = 25
 qr.size = 500
@@ -135,2 +137,3 @@ qr.value = 'https://github.com/neocotic/qrious'
   level: 'H',
+  padding: 25,
   size: 500,
@@ -190,3 +193,3 @@ value: 'https://github.com/neocotic/qrious'
 console.log(QRious.VERSION)
-//=> "2.0.2"
+//=> "2.1.0"
 ```
@@ -193,0 +196,0 @@

src/Alignment.js

@@ -20,3 +20,3 @@ /*
 
-/* eslint no-multi-spaces: 0 */
+/* eslint no-multi-spaces: "off" */
 
@@ -33,3 +33,3 @@ /**
    *
-   * @return {Number[]} The alignment pattern block.
+   * @return {number[]} The alignment pattern block.
    * @public
@@ -45,4 +45,5 @@ * @static
   }
+
 }
 
 export default Alignment

src/ErrorCorrection.js

@@ -20,3 +20,3 @@ /*
 
-/* eslint no-multi-spaces: 0 */
+/* eslint no-multi-spaces: "off" */
 
@@ -36,3 +36,3 @@ /**
    *
-   * @return {Number[]} The ECC blocks.
+   * @return {number[]} The ECC blocks.
    * @public
@@ -89,3 +89,3 @@ * @static
    *
-   * @return {Number[]} The final format bits.
+   * @return {number[]} The final format bits.
    * @public
@@ -110,3 +110,3 @@ * @static
    *
-   * @return {Object<String, Number>} A ECC level mapping.
+   * @return {Object<string, number>} A ECC level mapping.
    * @public
@@ -123,4 +123,5 @@ * @static
   }
+
 }
 
 export default ErrorCorrection

src/Frame.js

@@ -105,3 +105,3 @@ /*
 
-      let index = (this._level - 1) * 4 + (this._version - 1) * 16
+      let index = ((this._level - 1) * 4) + ((this._version - 1) * 16)
 
@@ -113,3 +113,3 @@ neccBlock1 = ErrorCorrection.BLOCKS[index++]
 
-      index = dataBlock * (neccBlock1 + neccBlock2) + neccBlock2 - 3 + (this._version <= 9)
+      index = (dataBlock * (neccBlock1 + neccBlock2)) + neccBlock2 - 3 + (this._version <= 9)
 
@@ -130,6 +130,6 @@ if (this._valueLength <= index) {
      * @public
-     * @type {Number}
+     * @type {number}
      */
     // FIXME: Ensure that it fits instead of being truncated.
-    this.width = 17 + 4 * this._version
+    this.width = 17 + (4 * this._version)
 
@@ -140,8 +140,9 @@ /**
      * @public
-     * @type {Number[]}
+     * @type {number[]}
      */
     this.buffer = Frame._createArray(this.width * this.width)
 
-    this._ecc = Frame._createArray(this._dataBlock + (this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2)
-    this._mask = Frame._createArray((this.width * (this.width + 1) + 1) / 2)
+    this._ecc = Frame._createArray(this._dataBlock + ((this._dataBlock + this._eccBlock) *
+      (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2)
+    this._mask = Frame._createArray(((this.width * (this.width + 1)) + 1) / 2)
 
@@ -152,3 +153,3 @@ this._insertFinders()
     // Insert single foreground cell.
-    this.buffer[8 + this.width * (this.width - 8)] = 1
+    this.buffer[8 + (this.width * (this.width - 8))] = 1
 
@@ -169,9 +170,9 @@ this._insertTimingGap()
   _addAlignment(x, y) {
-    this.buffer[x + this.width * y] = 1
+    this.buffer[x + (this.width * y)] = 1
 
     for (let i = -2; i < 2; i++) {
-      this.buffer[x + i + this.width * (y - 2)] = 1
-      this.buffer[x - 2 + this.width * (y + i + 1)] = 1
-      this.buffer[x + 2 + this.width * (y + i)] = 1
-      this.buffer[x + i + 1 + this.width * (y + 2)] = 1
+      this.buffer[x + i + (this.width * (y - 2))] = 1
+      this.buffer[x - 2 + (this.width * (y + i + 1))] = 1
+      this.buffer[x + 2 + (this.width * (y + i))] = 1
+      this.buffer[x + i + 1 + (this.width * (y + 2))] = 1
     }
@@ -197,3 +198,4 @@
         for (let j = 1; j < eccLength; j++) {
-          this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^ Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])]
+          this._stringBuffer[ecc + j - 1] = this._stringBuffer[ecc + j] ^
+            Galois.EXPONENT[Frame._modN(bit + this._polynomial[eccLength - j])]
         }
@@ -206,3 +208,4 @@ } else {
 
-      this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0 : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])]
+      this._stringBuffer[ecc + eccLength - 1] = bit === 255 ? 0
+        : Galois.EXPONENT[Frame._modN(bit + this._polynomial[0])]
     }
@@ -237,4 +240,4 @@ }
         for (let x = 0; x < width; x++) {
-          if (!(x + y & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+          if (!((x + y) & 1) && !this._isMasked(x, y)) {
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -249,3 +252,3 @@ }
           if (!(y & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -264,3 +267,3 @@ }
           if (!r3x && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -283,3 +286,3 @@ }
           if (!r3x && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -292,3 +295,3 @@ }
       for (let y = 0; y < width; y++) {
-        for (let r3x = 0, r3y = y >> 1 & 1, x = 0; x < width; x++, r3x++) {
+        for (let r3x = 0, r3y = (y >> 1) & 1, x = 0; x < width; x++, r3x++) {
           if (r3x === 3) {
@@ -300,3 +303,3 @@ r3x = 0
           if (!r3y && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -319,3 +322,3 @@ }
           if (!((x & y & 1) + !(!r3x | !r3y)) && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -338,3 +341,3 @@ }
           if (!((x & y & 1) + (r3x && r3x === r3y) & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -357,3 +360,3 @@ }
           if (!((r3x && r3x === r3y) + (x + y & 1) & 1) && !this._isMasked(x, y)) {
-            this.buffer[x + y * width] ^= 1
+            this.buffer[x + (y * width)] ^= 1
           }
@@ -368,3 +371,3 @@ }
   _calculateMaxLength() {
-    return this._dataBlock * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2
+    return (this._dataBlock * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2
   }
@@ -379,3 +382,4 @@
       for (let j = i; j > 0; j--) {
-        this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^ Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1]
+        this._polynomial[j] = this._polynomial[j] ? this._polynomial[j - 1] ^
+          Galois.EXPONENT[Frame._modN(Galois.LOG[this._polynomial[j]] + i)] : this._polynomial[j - 1]
       }
@@ -400,11 +404,11 @@
         // All foreground colour.
-        if (this.buffer[x + width * y] &&
-          this.buffer[x + 1 + width * y] &&
-          this.buffer[x + width * (y + 1)] &&
-          this.buffer[x + 1 + width * (y + 1)] ||
+        if ((this.buffer[x + (width * y)] &&
+          this.buffer[x + 1 + (width * y)] &&
+          this.buffer[x + (width * (y + 1))] &&
+          this.buffer[x + 1 + (width * (y + 1))]) ||
           // All background colour.
-          !(this.buffer[x + width * y] ||
-          this.buffer[x + 1 + width * y] ||
-          this.buffer[x + width * (y + 1)] ||
-          this.buffer[x + 1 + width * (y + 1)])) {
+          !(this.buffer[x + (width * y)] ||
+          this.buffer[x + 1 + (width * y)] ||
+          this.buffer[x + (width * (y + 1))] ||
+          this.buffer[x + 1 + (width * (y + 1))])) {
           bad += Frame.N2
@@ -424,3 +428,3 @@ }
       for (let b = 0, x = 0; x < width; x++) {
-        let b1 = this.buffer[x + width * y]
+        const b1 = this.buffer[x + (width * y)]
 
@@ -463,3 +467,3 @@ if (b === b1) {
       for (let b = 0, y = 0; y < width; y++) {
-        let b1 = this.buffer[x + width * y]
+        const b1 = this.buffer[x + (width * y)]
 
@@ -482,3 +486,3 @@ if (b === b1) {
   _convertBitStream(length) {
-    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanum, or kanji not supported).
+    // Convert string to bit stream. 8-bit data to QR-coded 8-bit data (numeric, alphanumeric, or kanji not supported).
     for (let i = 0; i < length; i++) {
@@ -510,9 +514,9 @@ this._ecc[i] = this._value.charCodeAt(i)
 
-        this._stringBuffer[index + 3] |= 255 & bit << 4
+        this._stringBuffer[index + 3] |= 255 & (bit << 4)
         this._stringBuffer[index + 2] = bit >> 4
       }
 
-      this._stringBuffer[2] |= 255 & length << 4
+      this._stringBuffer[2] |= 255 & (length << 4)
       this._stringBuffer[1] = length >> 4
-      this._stringBuffer[0] = 0x40 | length >> 12
+      this._stringBuffer[0] = 0x40 | (length >> 12)
     } else {
@@ -525,8 +529,8 @@ this._stringBuffer[index + 1] = 0
 
-        this._stringBuffer[index + 2] |= 255 & bit << 4
+        this._stringBuffer[index + 2] |= 255 & (bit << 4)
         this._stringBuffer[index + 1] = bit >> 4
       }
 
-      this._stringBuffer[1] |= 255 & length << 4
-      this._stringBuffer[0] = 0x40 | length >> 4
+      this._stringBuffer[1] |= 255 & (length << 4)
+      this._stringBuffer[0] = 0x40 | (length >> 4)
     }
@@ -613,8 +617,8 @@
       if (mask & 1) {
-        this.buffer[this.width - 1 - i + this.width * 8] = 1
+        this.buffer[this.width - 1 - i + (this.width * 8)] = 1
 
         if (i < 6) {
-          this.buffer[8 + this.width * i] = 1
+          this.buffer[8 + (this.width * i)] = 1
         } else {
-          this.buffer[8 + this.width * (i + 1)] = 1
+          this.buffer[8 + (this.width * (i + 1))] = 1
         }
@@ -627,8 +631,8 @@ }
       if (mask & 1) {
-        this.buffer[8 + this.width * (this.width - 7 + i)] = 1
+        this.buffer[8 + (this.width * (this.width - 7 + i))] = 1
 
         if (i) {
-          this.buffer[6 - i + this.width * 8] = 1
+          this.buffer[6 - i + (this.width * 8)] = 1
         } else {
-          this.buffer[7 + this.width * 8] = 1
+          this.buffer[7 + (this.width * 8)] = 1
         }
@@ -646,7 +650,7 @@ }
       for (let j = 0; j < this._neccBlock1; j++) {
-        this._ecc[k++] = this._stringBuffer[i + j * this._dataBlock]
+        this._ecc[k++] = this._stringBuffer[i + (j * this._dataBlock)]
       }
 
       for (let j = 0; j < this._neccBlock2; j++) {
-        this._ecc[k++] = this._stringBuffer[this._neccBlock1 * this._dataBlock + i + j * (this._dataBlock + 1)]
+        this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))]
       }
@@ -656,3 +660,3 @@ }
     for (let j = 0; j < this._neccBlock2; j++) {
-      this._ecc[k++] = this._stringBuffer[this._neccBlock1 * this._dataBlock + i + j * (this._dataBlock + 1)]
+      this._ecc[k++] = this._stringBuffer[(this._neccBlock1 * this._dataBlock) + i + (j * (this._dataBlock + 1))]
     }
@@ -662,3 +666,3 @@
       for (let j = 0; j < this._neccBlock1 + this._neccBlock2; j++) {
-        this._ecc[k++] = this._stringBuffer[maxLength + i + j * this._eccBlock]
+        this._ecc[k++] = this._stringBuffer[maxLength + i + (j * this._eccBlock)]
       }
@@ -716,9 +720,9 @@ }
 
-      this.buffer[y + 3 + width * (j + 3)] = 1
+      this.buffer[y + 3 + (width * (j + 3))] = 1
 
       for (let x = 0; x < 6; x++) {
-        this.buffer[y + x + width * j] = 1
-        this.buffer[y + width * (j + x + 1)] = 1
-        this.buffer[y + 6 + width * (j + x)] = 1
-        this.buffer[y + x + 1 + width * (j + 6)] = 1
+        this.buffer[y + x + (width * j)] = 1
+        this.buffer[y + (width * (j + x + 1))] = 1
+        this.buffer[y + 6 + (width * (j + x))] = 1
+        this.buffer[y + x + 1 + (width * (j + 6))] = 1
       }
@@ -734,6 +738,6 @@
       for (let x = 2; x < 4; x++) {
-        this.buffer[y + x + width * (j + 2)] = 1
-        this.buffer[y + 2 + width * (j + x + 1)] = 1
-        this.buffer[y + 4 + width * (j + x)] = 1
-        this.buffer[y + x + 1 + width * (j + 4)] = 1
+        this.buffer[y + x + (width * (j + 2))] = 1
+        this.buffer[y + 2 + (width * (j + x + 1))] = 1
+        this.buffer[y + 4 + (width * (j + x))] = 1
+        this.buffer[y + x + 1 + (width * (j + 4))] = 1
       }
@@ -767,4 +771,4 @@ }
       } else {
-        this.buffer[8 + x + width * 6] = 1
-        this.buffer[6 + width * (8 + x)] = 1
+        this.buffer[8 + x + (width * 6)] = 1
+        this.buffer[6 + (width * (8 + x))] = 1
       }
@@ -778,3 +782,3 @@ }
     if (this._version > 6) {
-      let i = Version.BLOCK[this._version - 7]
+      const i = Version.BLOCK[this._version - 7]
       let j = 17
@@ -785,4 +789,4 @@
           if (1 & (j > 11 ? this._version >> j - 12 : i >> j)) {
-            this.buffer[5 - x + width * (2 - y + width - 11)] = 1
-            this.buffer[2 - y + width - 11 + width * (5 - x)] = 1
+            this.buffer[5 - x + (width * (2 - y + width - 11))] = 1
+            this.buffer[2 - y + width - 11 + (width * (5 - x))] = 1
           } else {
@@ -810,3 +814,3 @@ this._setMask(5 - x, 2 - y + width - 11)
     // Interleaved data and ECC codes.
-    const length = (this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2) + this._neccBlock2
+    const length = ((this._dataBlock + this._eccBlock) * (this._neccBlock1 + this._neccBlock2)) + this._neccBlock2
 
@@ -818,3 +822,3 @@ for (let i = 0; i < length; i++) {
         if (0x80 & bit) {
-          this.buffer[x + this.width * y] = 1
+          this.buffer[x + (this.width * y)] = 1
         }
@@ -888,3 +892,3 @@
       for (let x = 0; x <= y; x++) {
-        if (this.buffer[x + width * y]) {
+        if (this.buffer[x + (width * y)]) {
           this._setMask(x, y)
@@ -895,2 +899,3 @@ }
   }
+
 }
@@ -904,4 +909,4 @@
  * @typedef {Object} Frame~Options
- * @property {String} level - The ECC level to be used.
- * @property {String} value - The value to be encoded.
+ * @property {string} level - The ECC level to be used.
+ * @property {string} value - The value to be encoded.
  */

src/Galois.js

@@ -30,3 +30,3 @@ /*
    *
-   * @return {Number[]} The Galois field exponent table.
+   * @return {number[]} The Galois field exponent table.
    * @public
@@ -59,3 +59,3 @@ * @static
    *
-   * @return {Number[]} The Galois field log table.
+   * @return {number[]} The Galois field log table.
    * @public
@@ -84,4 +84,5 @@ * @static
   }
+
 }
 
 export default Galois

src/QRious.js

@@ -46,2 +46,3 @@ /*
       mime: 'image/png',
+      padding: null,
       size: 100,
@@ -55,3 +56,3 @@ value: ''
    *
-   * @return {String} The current version.
+   * @return {string} The current version.
    * @public
@@ -61,3 +62,3 @@ * @static
   static get VERSION() {
-    return '2.0.2'
+    return '2.1.0'
   }
@@ -69,2 +70,3 @@
    * @param {Service} service - the {@link Service} to be configured
+   * @return {void}
    * @throws {Error} If a {@link Service} has already been configured with the same name.
@@ -81,3 +83,4 @@ * @public
     options.level = Utilities.toUpperCase(options.level)
-    options.size = Math.abs(options.size)
+    options.padding = Utilities.abs(options.padding)
+    options.size = Utilities.abs(options.size)
 
@@ -98,4 +101,4 @@ return options
 
-    let element = this._element
-    let elementService = QRious._serviceManager.getService('element')
+    const element = this._element
+    const elementService = QRious._serviceManager.getService('element')
 
@@ -131,4 +134,4 @@ /**
    *
-   * @param {String} [mime] - the MIME type for the image
-   * @return {String} The image data URI for the QR code.
+   * @param {string} [mime] - the MIME type for the image
+   * @return {string} The image data URI for the QR code.
    * @public
@@ -143,2 +146,3 @@ */
    *
+   * @return {void}
    * @protected
@@ -158,3 +162,3 @@ */
    *
-   * @return {String} The background color.
+   * @return {string} The background color.
    * @public
@@ -169,3 +173,3 @@ */
    *
-   * @param {String} [background="white"] - the background color to be set
+   * @param {string} [background="white"] - the background color to be set
    * @public
@@ -184,3 +188,3 @@ */
    *
-   * @return {String} The foreground color.
+   * @return {string} The foreground color.
    * @public
@@ -195,3 +199,3 @@ */
    *
-   * @param {String} [foreground="black"] - the foreground color to be set
+   * @param {string} [foreground="black"] - the foreground color to be set
    * @public
@@ -210,3 +214,3 @@ */
    *
-   * @return {String} The ECC level.
+   * @return {string} The ECC level.
    * @public
@@ -223,3 +227,3 @@ */
    *
-   * @param {String} [level="L"] - the ECC level to be set
+   * @param {string} [level="L"] - the ECC level to be set
    * @public
@@ -238,3 +242,3 @@ */
    *
-   * @return {String} The image MIME type.
+   * @return {string} The image MIME type.
    * @public
@@ -249,3 +253,3 @@ */
    *
-   * @param {String} [mime="image/png"] - the image MIME type to be set
+   * @param {string} [mime="image/png"] - the image MIME type to be set
    * @public
@@ -262,5 +266,32 @@ */
   /**
+   * Returns the padding for the QR code.
+   *
+   * @return {number} The padding in pixels.
+   * @public
+   */
+  get padding() {
+    return this._padding
+  }
+
+  /**
+   * Sets the padding for the QR code to <code>padding</code>.
+   *
+   * <code>padding</code> will be transformed to ensure that it is always an absolute positive numbers (e.g.
+   * <code>-10</code> would become <code>10</code>).
+   *
+   * @param {number} [padding] - the padding in pixels to be set
+   * @public
+   */
+  set padding(padding) {
+    const changed = Utilities.setter(this, '_padding', padding, QRious.DEFAULTS.padding, Utilities.abs)
+
+    if (changed) {
+      this.update()
+    }
+  }
+
+  /**
    * Returns the size of the QR code.
    *
-   * @return {Number} The size in pixels.
+   * @return {number} The size in pixels.
    * @public
@@ -278,7 +309,7 @@ */
    *
-   * @param {Number} [size=100] - the size in pixels to be set
+   * @param {number} [size=100] - the size in pixels to be set
    * @public
    */
   set size(size) {
-    const changed = Utilities.setter(this, '_size', size, QRious.DEFAULTS.size, Math.abs)
+    const changed = Utilities.setter(this, '_size', size, QRious.DEFAULTS.size, Utilities.abs)
 
@@ -293,3 +324,3 @@ if (changed) {
    *
-   * @return {String} The value.
+   * @return {string} The value.
    * @public
@@ -304,3 +335,3 @@ */
    *
-   * @param {String} [value=""] - the value to be set
+   * @param {string} [value=""] - the value to be set
    * @public
@@ -315,2 +346,3 @@ */
   }
+
 }
@@ -326,10 +358,11 @@
  * @typedef {Object} QRious~Options
- * @property {String} [background="white"] - The background color to be applied to the QR code.
+ * @property {string} [background="white"] - The background color to be applied to the QR code.
  * @property {*} [element] - The element to be used to render the QR code which may either be an <code>canvas</code> or
  * <code>img</code>. The element(s) will be created if needed.
- * @property {String} [foreground="black"] - The foreground color to be applied to the QR code.
- * @property {String} [level="L"] - The error correction level to be applied to the QR code.
- * @property {String} [mime="image/png"] - The MIME type to be used to render the image for the QR code.
- * @property {Number} [size=100] - The size of the QR code in pixels.
- * @property {String} [value=""] - The value to be encoded within the QR code.
+ * @property {string} [foreground="black"] - The foreground color to be applied to the QR code.
+ * @property {string} [level="L"] - The error correction level to be applied to the QR code.
+ * @property {string} [mime="image/png"] - The MIME type to be used to render the image for the QR code.
+ * @property {number} [padding] - The padding for the QR code in pixels.
+ * @property {number} [size=100] - The size of the QR code in pixels.
+ * @property {string} [value=""] - The value to be encoded within the QR code.
  */

src/renderer/CanvasRenderer.js

@@ -43,4 +43,4 @@ /*
       for (let j = 0; j < frame.width; j++) {
-        if (frame.buffer[j * frame.width + i]) {
-          context.fillRect(moduleSize * i + offset, moduleSize * j + offset, moduleSize, moduleSize)
+        if (frame.buffer[(j * frame.width) + i]) {
+          context.fillRect((moduleSize * i) + offset, (moduleSize * j) + offset, moduleSize, moduleSize)
         }
@@ -74,4 +74,5 @@ }
   }
+
 }
 
 export default CanvasRenderer

src/renderer/ImageRenderer.js

@@ -61,4 +61,5 @@ /*
   }
+
 }
 
 export default ImageRenderer

src/renderer/Renderer.js

@@ -53,2 +53,3 @@ /*
    * @param {Frame} frame - the {@link Frame} to be drawn
+   * @return {void}
    * @protected
@@ -64,2 +65,4 @@ */
    *
+   * Any configured padding will be excluded from the returned size.
+   *
    * The returned value will be at least one, even in cases where the size of the QR code does not fit its contents.
@@ -70,7 +73,8 @@ * This is done so that the inevitable clipping is handled more gracefully since this way at least something is
    * @param {Frame} frame - the {@link Frame} from which the module size is to be derived
-   * @return {Number} The pixel size for each module in the QR code which will be no less than one.
+   * @return {number} The pixel size for each module in the QR code which will be no less than one.
    * @protected
    */
   getModuleSize(frame) {
-    const pixels = Math.floor(this.qrious.size / frame.width)
+    const padding = this.qrious.padding || 0
+    const pixels = Math.floor((this.qrious.size - (padding * 2)) / frame.width)
 
@@ -89,8 +93,12 @@ return Math.max(1, pixels)
    * @param {Frame} frame - the {@link Frame} from which the offset is to be derived
-   * @return {Number} The pixel offset for the QR code which will be no less than zero.
+   * @return {number} The pixel offset for the QR code which will be no less than zero.
    * @protected
    */
   getOffset(frame) {
+    if (this.qrious.padding != null) {
+      return this.qrious.padding
+    }
+
     const moduleSize = this.getModuleSize(frame)
-    const offset = Math.floor((this.qrious.size - moduleSize * frame.width) / 2)
+    const offset = Math.floor((this.qrious.size - (moduleSize * frame.width)) / 2)
 
@@ -104,2 +112,3 @@ return Math.max(0, offset)
    * @param {Frame} frame - the {@link Frame} to be rendered
+   * @return {void}
    * @public
@@ -118,2 +127,3 @@ */
    *
+   * @return {void}
    * @protected
@@ -130,2 +140,3 @@ */
    *
+   * @return {void}
    * @protected
@@ -136,4 +147,5 @@ */
   }
+
 }
 
 export default Renderer

src/service/element/BrowserElementService.js

@@ -57,4 +57,5 @@ /*
   }
+
 }
 
 export default BrowserElementService

src/service/element/ElementService.js

@@ -62,3 +62,3 @@ /*
    * @param {*} element - the element to be checked
-   * @return {Boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.
+   * @return {boolean} <code>true</code> if <code>element</code> is a canvas; otherwise <code>false</code>.
    * @public
@@ -74,3 +74,3 @@ */
    * @param {*} element - the element to be checked
-   * @return {Boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.
+   * @return {boolean} <code>true</code> if <code>element</code> is an image; otherwise <code>false</code>.
    * @public
@@ -81,4 +81,5 @@ */
   }
+
 }
 
 export default ElementService

src/service/element/NodeElementService.js

@@ -67,4 +67,5 @@ /*
   }
+
 }
 
 export default NodeElementService

src/service/Service.js

@@ -32,3 +32,3 @@ /*
    *
-   * @return {String} The service name.
+   * @return {string} The service name.
    * @public
@@ -39,4 +39,5 @@ */
   }
+
 }
 
 export default Service

src/service/ServiceManager.js

@@ -39,3 +39,3 @@ /*
    *
-   * @param {String} name - the name of the {@link Service} to be returned
+   * @param {string} name - the name of the {@link Service} to be returned
    * @return {Service} The {@link Service} is being managed with <code>name</code>.
@@ -58,4 +58,5 @@ * @throws {Error} If no {@link Service} is being managed with <code>name</code>.
    *
-   * @param {String} name - the name of the {@link Service} to be managed with <code>name</code>
+   * @param {string} name - the name of the {@link Service} to be managed with <code>name</code>
    * @param {Service} service - the {@link Service} implementation to be managed
+   * @return {void}
    * @throws {Error} If a {@link Service} is already being managed with the same <code>name</code>.
@@ -73,4 +74,5 @@ * @public
   }
+
 }
 
 export default ServiceManager

src/util/Utilities.js

@@ -28,2 +28,18 @@ /*
   /**
+   * Returns the absolute value of a given number.
+   *
+   * This method is simply a convenient shorthand for <code>Math.abs</code> while ensuring that nulls are returned as
+   * <code>null</code> instead of zero.
+   *
+   * @param {number} value - the number whose absolute value is to be returned
+   * @return {number} The absolute value of <code>value</code> or <code>null</code> if <code>value</code> is
+   * <code>null</code>.
+   * @public
+   * @static
+   */
+  static abs(value) {
+    return value != null ? Math.abs(value) : null
+  }
+
+  /**
    * Copies all properties from the <code>source</code> object to the <code>target</code> object, however, all property
@@ -39,4 +55,4 @@ * names on the <code>target</code> will be prefixed with an underscore, used to indicate that they are private.
   static privatize(target, source) {
-    for (let key in source) {
-      if (source.hasOwnProperty(key)) {
+    for (const key in source) {
+      if (Object.prototype.hasOwnProperty.call(source, key)) {
         target[`_${key}`] = source[key]
@@ -58,7 +74,7 @@ }
    * @param {Object} object - the object whose field is to be set with <code>value</code>
-   * @param {String} fieldName - the field to be set with <code>value</code>
+   * @param {string} fieldName - the field to be set with <code>value</code>
    * @param {*} value - the value to be set on the named field
    * @param {*} [defaultValue] - the value to be used if <code>value</code> is <code>null</code>
    * @param {Function} [transformer] - a function used to transform the value before it is assigned to the named field
-   * @return {Boolean} <code>true</code> if the value of the field has changed as a result of the assignment; otherwise
+   * @return {boolean} <code>true</code> if the value of the field has changed as a result of the assignment; otherwise
    * <code>false</code>.
@@ -83,4 +99,5 @@ * @public
    *
-   * @param {String} className - the name of the class on which the method has not been implemented
-   * @param {String} methodName - the name of the method which has not been implemented
+   * @param {string} className - the name of the class on which the method has not been implemented
+   * @param {string} methodName - the name of the method which has not been implemented
+   * @return {void}
    * @throws {Error} The error describing the class method which has not been implemented.
@@ -97,4 +114,4 @@ * @public
    *
-   * @param {String} string - the string to be transformed to upper case
-   * @return {String} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.
+   * @param {string} string - the string to be transformed to upper case
+   * @return {string} <code>string</code> transformed to upper case if <code>string</code> is not <code>null</code>.
    * @public
@@ -106,4 +123,5 @@ * @static
   }
+
 }
 
 export default Utilities

src/Version.js

@@ -30,3 +30,3 @@ /*
    *
-   * @return {Number[]} The version pattern block.
+   * @return {number[]} The version pattern block.
    * @public
@@ -42,4 +42,5 @@ * @static
   }
+
 }
 
 export default Version

New alerts

Uses eval

Supply chain risk

Package uses eval() which is a dangerous function. This prevents the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

912894

increased by74.24%

Lines of code

8406

increased by48.33%

Number of lines in readme file

223

increased by1.36%

Worsened metrics

Dev dependency count

16

increased by33.33%

Number of package files

27

decreased by-3.57%

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes