quaggaJS/dist/quagga.min.js

/*! quagga 2015-07-08 */
!function(a,b){var c=b.toString();"undefined"!=typeof module?module.exports=b(c):a.Quagga=b(c)}(this,function(a){/**
 * @license almond 0.2.9 Copyright (c) 2011-2014, The Dojo Foundation All Rights Reserved.
 * Available via the MIT or new BSD license.
 * see: http://github.com/jrburke/almond for details
 */
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c={CODE_SHIFT:{value:98},CODE_C:{value:99},CODE_B:{value:100},CODE_A:{value:101},START_CODE_A:{value:103},START_CODE_B:{value:104},START_CODE_C:{value:105},STOP_CODE:{value:106},MODULO:{value:11},CODE_PATTERN:{value:[[2,1,2,2,2,2],[2,2,2,1,2,2],[2,2,2,2,2,1],[1,2,1,2,2,3],[1,2,1,3,2,2],[1,3,1,2,2,2],[1,2,2,2,1,3],[1,2,2,3,1,2],[1,3,2,2,1,2],[2,2,1,2,1,3],[2,2,1,3,1,2],[2,3,1,2,1,2],[1,1,2,2,3,2],[1,2,2,1,3,2],[1,2,2,2,3,1],[1,1,3,2,2,2],[1,2,3,1,2,2],[1,2,3,2,2,1],[2,2,3,2,1,1],[2,2,1,1,3,2],[2,2,1,2,3,1],[2,1,3,2,1,2],[2,2,3,1,1,2],[3,1,2,1,3,1],[3,1,1,2,2,2],[3,2,1,1,2,2],[3,2,1,2,2,1],[3,1,2,2,1,2],[3,2,2,1,1,2],[3,2,2,2,1,1],[2,1,2,1,2,3],[2,1,2,3,2,1],[2,3,2,1,2,1],[1,1,1,3,2,3],[1,3,1,1,2,3],[1,3,1,3,2,1],[1,1,2,3,1,3],[1,3,2,1,1,3],[1,3,2,3,1,1],[2,1,1,3,1,3],[2,3,1,1,1,3],[2,3,1,3,1,1],[1,1,2,1,3,3],[1,1,2,3,3,1],[1,3,2,1,3,1],[1,1,3,1,2,3],[1,1,3,3,2,1],[1,3,3,1,2,1],[3,1,3,1,2,1],[2,1,1,3,3,1],[2,3,1,1,3,1],[2,1,3,1,1,3],[2,1,3,3,1,1],[2,1,3,1,3,1],[3,1,1,1,2,3],[3,1,1,3,2,1],[3,3,1,1,2,1],[3,1,2,1,1,3],[3,1,2,3,1,1],[3,3,2,1,1,1],[3,1,4,1,1,1],[2,2,1,4,1,1],[4,3,1,1,1,1],[1,1,1,2,2,4],[1,1,1,4,2,2],[1,2,1,1,2,4],[1,2,1,4,2,1],[1,4,1,1,2,2],[1,4,1,2,2,1],[1,1,2,2,1,4],[1,1,2,4,1,2],[1,2,2,1,1,4],[1,2,2,4,1,1],[1,4,2,1,1,2],[1,4,2,2,1,1],[2,4,1,2,1,1],[2,2,1,1,1,4],[4,1,3,1,1,1],[2,4,1,1,1,2],[1,3,4,1,1,1],[1,1,1,2,4,2],[1,2,1,1,4,2],[1,2,1,2,4,1],[1,1,4,2,1,2],[1,2,4,1,1,2],[1,2,4,2,1,1],[4,1,1,2,1,2],[4,2,1,1,1,2],[4,2,1,2,1,1],[2,1,2,1,4,1],[2,1,4,1,2,1],[4,1,2,1,2,1],[1,1,1,1,4,3],[1,1,1,3,4,1],[1,3,1,1,4,1],[1,1,4,1,1,3],[1,1,4,3,1,1],[4,1,1,1,1,3],[4,1,1,3,1,1],[1,1,3,1,4,1],[1,1,4,1,3,1],[3,1,1,1,4,1],[4,1,1,1,3,1],[2,1,1,4,1,2],[2,1,1,2,1,4],[2,1,1,2,3,2],[2,3,3,1,1,1,2]]},SINGLE_CODE_ERROR:{value:1},AVG_CODE_ERROR:{value:.5},FORMAT:{value:"code_128",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodeCode=function(a){var b,c,d,e,f=[0,0,0,0,0,0],g=this,h=a,i=!g._row[h],j=0,k={error:Number.MAX_VALUE,code:-1,start:a,end:a};for(b=h;b<g._row.length;b++)if(g._row[b]^i)f[j]++;else{if(j===f.length-1){if(e=g._normalize(f)){for(c=0;c<g.CODE_PATTERN.length;c++)d=g._matchPattern(e,g.CODE_PATTERN[c]),d<k.error&&(k.code=c,k.error=d);return k.end=b,k}}else j++;f[j]=1,i=!i}return null},b.prototype._findStart=function(){var a,b,c,d,e,f,g=[0,0,0,0,0,0],h=this,i=h._nextSet(h._row),j=!1,k=0,l={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(a=i;a<h._row.length;a++)if(h._row[a]^j)g[k]++;else{if(k===g.length-1){for(e=0,d=0;d<g.length;d++)e+=g[d];if(f=h._normalize(g)){for(b=h.START_CODE_A;b<=h.START_CODE_C;b++)c=h._matchPattern(f,h.CODE_PATTERN[b]),c<l.error&&(l.code=b,l.error=c);if(l.error<h.AVG_CODE_ERROR)return l.start=a-e,l.end=a,l}for(d=0;4>d;d++)g[d]=g[d+2];g[4]=0,g[5]=0,k--}else k++;g[k]=1,j=!j}return null},b.prototype._decode=function(){var a,b,c,d=this,e=d._findStart(),f=null,g=!1,h=[],i=0,j=0,k=[],l=[],m=!1;if(null===e)return null;switch(f={code:e.code,start:e.start,end:e.end},l.push(f),j=f.code,f.code){case d.START_CODE_A:a=d.CODE_A;break;case d.START_CODE_B:a=d.CODE_B;break;case d.START_CODE_C:a=d.CODE_C;break;default:return null}for(;!g;){if(b=m,m=!1,f=d._decodeCode(f.end),null!==f)switch(f.code!==d.STOP_CODE&&(k.push(f.code),i++,j+=i*f.code),l.push(f),a){case d.CODE_A:if(f.code<64)h.push(String.fromCharCode(32+f.code));else if(f.code<96)h.push(String.fromCharCode(f.code-64));else switch(f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_B;break;case d.CODE_B:a=d.CODE_B;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_B:if(f.code<96)h.push(String.fromCharCode(32+f.code));else switch(f.code!=d.STOP_CODE&&(c=!1),f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_A;break;case d.CODE_A:a=d.CODE_A;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case 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c,d,e,f,g=[0,0,0,0],h=this,i=a,j=!h._row[i],k=0,l={error:Number.MAX_VALUE,code:-1,start:a,end:a};for(b||(b=h.CODE_PATTERN.length),c=i;c<h._row.length;c++)if(h._row[c]^j)g[k]++;else{if(k===g.length-1){if(f=h._normalize(g)){for(d=0;b>d;d++)e=h._matchPattern(f,h.CODE_PATTERN[d]),e<l.error&&(l.code=d,l.error=e);return l.end=c,l.error>h.AVG_CODE_ERROR?null:l}}else k++;g[k]=1,j=!j}return null},b.prototype._findPattern=function(a,b,c,d,e){var f,g,h,i,j,k=[],l=this,m=0,n={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(b||(b=l._nextSet(l._row)),void 0===c&&(c=!1),void 0===d&&(d=!0),void 0===e&&(e=l.AVG_CODE_ERROR),f=0;f<a.length;f++)k[f]=0;for(f=b;f<l._row.length;f++)if(l._row[f]^c)k[m]++;else{if(m===k.length-1){for(i=0,h=0;h<k.length;h++)i+=k[h];if(j=l._normalize(k),j&&(g=l._matchPattern(j,a),e>g))return n.error=g,n.start=f-i,n.end=f,n;if(!d)return null;for(h=0;h<k.length-2;h++)k[h]=k[h+2];k[k.length-2]=0,k[k.length-1]=0,m--}else m++;k[m]=1,c=!c}return null},b.prototype._findStart=function(){for(var a,b,c=this,d=c._nextSet(c._row);!b;){if(b=c._findPattern(c.START_PATTERN,d),!b)return null;if(a=b.start-(b.end-b.start),a>=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start),b<c._row.length&&c._matchRange(a.end,b,0)?a:null},b.prototype._findEnd=function(a,b){var c=this,d=c._findPattern(c.STOP_PATTERN,a,b,!1);return null!==d?c._verifyTrailingWhitespace(d):null},b.prototype._calculateFirstDigit=function(a){var b,c=this;for(b=0;b<c.CODE_FREQUENCY.length;b++)if(a===c.CODE_FREQUENCY[b])return b;return null},b.prototype._decodePayload=function(a,b,c){var d,e,f=this,g=0;for(d=0;6>d;d++){if(a=f._decodeCode(a.end),!a)return null;a.code>=f.CODE_G_START?(a.code=a.code-f.CODE_G_START,g|=1<<5-d):g|=0<<5-d,b.push(a.code),c.push(a)}if(e=f._calculateFirstDigit(g),null===e)return 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c[0]=t*d+u*h+v*l+w*p,c[1]=t*e+u*i+v*m+w*q,c[2]=t*f+u*j+v*n+w*r,c[3]=t*g+u*k+v*o+w*s,c[4]=x*d+y*h+z*l+A*p,c[5]=x*e+y*i+z*m+A*q,c[6]=x*f+y*j+z*n+A*r,c[7]=x*g+y*k+z*o+A*s,c[8]=B*d+C*h+D*l+E*p,c[9]=B*e+C*i+D*m+E*q,c[10]=B*f+C*j+D*n+E*r,c[11]=B*g+C*k+D*o+E*s,c[12]=F*d+G*h+H*l+I*p,c[13]=F*e+G*i+H*m+I*q,c[14]=F*f+G*j+H*n+I*r,c[15]=F*g+G*k+H*o+I*s,c},g.multiplyVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2];return c[0]=a[0]*d+a[4]*e+a[8]*f+a[12],c[1]=a[1]*d+a[5]*e+a[9]*f+a[13],c[2]=a[2]*d+a[6]*e+a[10]*f+a[14],c},g.multiplyVec4=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=b[3];return c[0]=a[0]*d+a[4]*e+a[8]*f+a[12]*g,c[1]=a[1]*d+a[5]*e+a[9]*f+a[13]*g,c[2]=a[2]*d+a[6]*e+a[10]*f+a[14]*g,c[3]=a[3]*d+a[7]*e+a[11]*f+a[15]*g,c},g.translate=function(a,b,c){var d=b[0],e=b[1],f=b[2];if(!c||a==c)return a[12]=a[0]*d+a[4]*e+a[8]*f+a[12],a[13]=a[1]*d+a[5]*e+a[9]*f+a[13],a[14]=a[2]*d+a[6]*e+a[10]*f+a[14],a[15]=a[3]*d+a[7]*e+a[11]*f+a[15],a;var g=a[0],h=a[1],i=a[2],j=a[3],k=a[4],l=a[5],m=a[6],n=a[7],o=a[8],p=a[9],q=a[10],r=a[11];return c[0]=g,c[1]=h,c[2]=i,c[3]=j,c[4]=k,c[5]=l,c[6]=m,c[7]=n,c[8]=o,c[9]=p,c[10]=q,c[11]=r,c[12]=g*d+k*e+o*f+a[12],c[13]=h*d+l*e+p*f+a[13],c[14]=i*d+m*e+q*f+a[14],c[15]=j*d+n*e+r*f+a[15],c},g.scale=function(a,b,c){var d=b[0],e=b[1],f=b[2];return c&&a!=c?(c[0]=a[0]*d,c[1]=a[1]*d,c[2]=a[2]*d,c[3]=a[3]*d,c[4]=a[4]*e,c[5]=a[5]*e,c[6]=a[6]*e,c[7]=a[7]*e,c[8]=a[8]*f,c[9]=a[9]*f,c[10]=a[10]*f,c[11]=a[11]*f,c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15],c):(a[0]*=d,a[1]*=d,a[2]*=d,a[3]*=d,a[4]*=e,a[5]*=e,a[6]*=e,a[7]*=e,a[8]*=f,a[9]*=f,a[10]*=f,a[11]*=f,a)},g.rotate=function(a,b,c,d){var e=c[0],f=c[1],g=c[2],h=Math.sqrt(e*e+f*f+g*g);if(!h)return null;1!=h&&(h=1/h,e*=h,f*=h,g*=h);var i=Math.sin(b),j=Math.cos(b),k=1-j,l=a[0],m=a[1],n=a[2],o=a[3],p=a[4],q=a[5],r=a[6],s=a[7],t=a[8],u=a[9],v=a[10],w=a[11],x=e*e*k+j,y=f*e*k+g*i,z=g*e*k-f*i,A=e*f*k-g*i,B=f*f*k+j,C=g*f*k+e*i,D=e*g*k+f*i,E=f*g*k-e*i,F=g*g*k+j;return d?a!=d&&(d[12]=a[12],d[13]=a[13],d[14]=a[14],d[15]=a[15]):d=a,d[0]=l*x+p*y+t*z,d[1]=m*x+q*y+u*z,d[2]=n*x+r*y+v*z,d[3]=o*x+s*y+w*z,d[4]=l*A+p*B+t*C,d[5]=m*A+q*B+u*C,d[6]=n*A+r*B+v*C,d[7]=o*A+s*B+w*C,d[8]=l*D+p*E+t*F,d[9]=m*D+q*E+u*F,d[10]=n*D+r*E+v*F,d[11]=o*D+s*E+w*F,d},g.rotateX=function(a,b,c){var d=Math.sin(b),e=Math.cos(b),f=a[4],g=a[5],h=a[6],i=a[7],j=a[8],k=a[9],l=a[10],m=a[11];return c?a!=c&&(c[0]=a[0],c[1]=a[1],c[2]=a[2],c[3]=a[3],c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15]):c=a,c[4]=f*e+j*d,c[5]=g*e+k*d,c[6]=h*e+l*d,c[7]=i*e+m*d,c[8]=f*-d+j*e,c[9]=g*-d+k*e,c[10]=h*-d+l*e,c[11]=i*-d+m*e,c},g.rotateY=function(a,b,c){var d=Math.sin(b),e=Math.cos(b),f=a[0],g=a[1],h=a[2],i=a[3],j=a[8],k=a[9],l=a[10],m=a[11];return c?a!=c&&(c[4]=a[4],c[5]=a[5],c[6]=a[6],c[7]=a[7],c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15]):c=a,c[0]=f*e+j*-d,c[1]=g*e+k*-d,c[2]=h*e+l*-d,c[3]=i*e+m*-d,c[8]=f*d+j*e,c[9]=g*d+k*e,c[10]=h*d+l*e,c[11]=i*d+m*e,c},g.rotateZ=function(a,b,c){var d=Math.sin(b),e=Math.cos(b),f=a[0],g=a[1],h=a[2],i=a[3],j=a[4],k=a[5],l=a[6],m=a[7];return c?a!=c&&(c[8]=a[8],c[9]=a[9],c[10]=a[10],c[11]=a[11],c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15]):c=a,c[0]=f*e+j*d,c[1]=g*e+k*d,c[2]=h*e+l*d,c[3]=i*e+m*d,c[4]=f*-d+j*e,c[5]=g*-d+k*e,c[6]=h*-d+l*e,c[7]=i*-d+m*e,c},g.frustum=function(a,b,c,d,e,f,h){h||(h=g.create());var i=b-a,j=d-c,k=f-e;return h[0]=2*e/i,h[1]=0,h[2]=0,h[3]=0,h[4]=0,h[5]=2*e/j,h[6]=0,h[7]=0,h[8]=(b+a)/i,h[9]=(d+c)/j,h[10]=-(f+e)/k,h[11]=-1,h[12]=0,h[13]=0,h[14]=-(f*e*2)/k,h[15]=0,h},g.perspective=function(a,b,c,d,e){var f=c*Math.tan(a*Math.PI/360),h=f*b;return g.frustum(-h,h,-f,f,c,d,e)},g.ortho=function(a,b,c,d,e,f,h){h||(h=g.create());var i=b-a,j=d-c,k=f-e;return h[0]=2/i,h[1]=0,h[2]=0,h[3]=0,h[4]=0,h[5]=2/j,h[6]=0,h[7]=0,h[8]=0,h[9]=0,h[10]=-2/k,h[11]=0,h[12]=-(a+b)/i,h[13]=-(d+c)/j,h[14]=-(f+e)/k,h[15]=1,h},g.lookAt=function(a,b,c,d){d||(d=g.create());var e=a[0],f=a[1],h=a[2],i=c[0],j=c[1],k=c[2],l=b[0],m=b[1],n=b[2];if(e==l&&f==m&&h==n)return g.identity(d);var o,p,q,r,s,t,u,v,w,x;return o=e-b[0],p=f-b[1],q=h-b[2],x=1/Math.sqrt(o*o+p*p+q*q),o*=x,p*=x,q*=x,r=j*q-k*p,s=k*o-i*q,t=i*p-j*o,x=Math.sqrt(r*r+s*s+t*t),x?(x=1/x,r*=x,s*=x,t*=x):(r=0,s=0,t=0),u=p*t-q*s,v=q*r-o*t,w=o*s-p*r,x=Math.sqrt(u*u+v*v+w*w),x?(x=1/x,u*=x,v*=x,w*=x):(u=0,v=0,w=0),d[0]=r,d[1]=u,d[2]=o,d[3]=0,d[4]=s,d[5]=v,d[6]=p,d[7]=0,d[8]=t,d[9]=w,d[10]=q,d[11]=0,d[12]=-(r*e+s*f+t*h),d[13]=-(u*e+v*f+w*h),d[14]=-(o*e+p*f+q*h),d[15]=1,d},g.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+",\n "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+",\n "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+",\n "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+"]"},quat4={},quat4.create=function(a){var b;return a?(b=new glMatrixArrayType(4),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3]):b=new glMatrixArrayType(glMatrixArrayType===Array?[0,0,0,0]:4),b},quat4.set=function(a,b){return b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3],b},quat4.calculateW=function(a,b){var c=a[0],d=a[1],e=a[2];return b&&a!=b?(b[0]=c,b[1]=d,b[2]=e,b[3]=-Math.sqrt(Math.abs(1-c*c-d*d-e*e)),b):(a[3]=-Math.sqrt(Math.abs(1-c*c-d*d-e*e)),a)},quat4.inverse=function(a,b){return b&&a!=b?(b[0]=-a[0],b[1]=-a[1],b[2]=-a[2],b[3]=a[3],b):(a[0]*=-1,a[1]*=-1,a[2]*=-1,a)},quat4.length=function(a){var b=a[0],c=a[1],d=a[2],e=a[3];return Math.sqrt(b*b+c*c+d*d+e*e)},quat4.normalize=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],f=a[3],g=Math.sqrt(c*c+d*d+e*e+f*f);return 0==g?(b[0]=0,b[1]=0,b[2]=0,b[3]=0,b):(g=1/g,b[0]=c*g,b[1]=d*g,b[2]=e*g,b[3]=f*g,b)},quat4.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3],h=b[0],i=b[1],j=b[2],k=b[3];return c[0]=d*k+g*h+e*j-f*i,c[1]=e*k+g*i+f*h-d*j,c[2]=f*k+g*j+d*i-e*h,c[3]=g*k-d*h-e*i-f*j,c},quat4.multiplyVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=a[0],h=a[1],i=a[2],j=a[3],k=j*d+h*f-i*e,l=j*e+i*d-g*f,m=j*f+g*e-h*d,n=-g*d-h*e-i*f;return c[0]=k*j+n*-g+l*-i-m*-h,c[1]=l*j+n*-h+m*-g-k*-i,c[2]=m*j+n*-i+k*-h-l*-g,c},quat4.toMat3=function(a,b){b||(b=f.create());var c=a[0],d=a[1],e=a[2],g=a[3],h=c+c,i=d+d,j=e+e,k=c*h,l=c*i,m=c*j,n=d*i,o=d*j,p=e*j,q=g*h,r=g*i,s=g*j;return b[0]=1-(n+p),b[1]=l-s,b[2]=m+r,b[3]=l+s,b[4]=1-(k+p),b[5]=o-q,b[6]=m-r,b[7]=o+q,b[8]=1-(k+n),b},quat4.toMat4=function(a,b){b||(b=g.create());var c=a[0],d=a[1],e=a[2],f=a[3],h=c+c,i=d+d,j=e+e,k=c*h,l=c*i,m=c*j,n=d*i,o=d*j,p=e*j,q=f*h,r=f*i,s=f*j;return b[0]=1-(n+p),b[1]=l-s,b[2]=m+r,b[3]=0,b[4]=l+s,b[5]=1-(k+p),b[6]=o-q,b[7]=0,b[8]=m-r,b[9]=o+q,b[10]=1-(k+n),b[11]=0,b[12]=0,b[13]=0,b[14]=0,b[15]=1,b},quat4.slerp=function(a,b,c,d){d||(d=a);var e=a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3];if(Math.abs(e)>=1)return d!=a&&(d[0]=a[0],d[1]=a[1],d[2]=a[2],d[3]=a[3]),d;var f=Math.acos(e),g=Math.sqrt(1-e*e);if(Math.abs(g)<.001)return d[0]=.5*a[0]+.5*b[0],d[1]=.5*a[1]+.5*b[1],d[2]=.5*a[2]+.5*b[2],d[3]=.5*a[3]+.5*b[3],d;var h=Math.sin((1-c)*f)/g,i=Math.sin(c*f)/g;return d[0]=a[0]*h+b[0]*i,d[1]=a[1]*h+b[1]*i,d[2]=a[2]*h+b[2]*i,d[3]=a[3]*h+b[3]*i,d},quat4.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+"]"},d("glMatrix",["typedefs"],function(a){return function(){var b;return b||a.glMatrix}}(this)),g.xVec4=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=b[3];return c[0]=a[0]*d+a[1]*e+a[2]*f+a[3]*g,c[1]=a[4]*d+a[5]*e+a[6]*f+a[7]*g,c[2]=a[8]*d+a[9]*e+a[10]*f+a[11]*g,c[3]=a[12]*d+a[13]*e+a[14]*f+a[15]*g,c},f.scale=function(a,b,c){return c&&a!=c?(c=f.create(),c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c[4]=a[4]*b,c[5]=a[5]*b,c[6]=a[6]*b,c[7]=a[7]*b,c[8]=a[8]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[3]*=b,a[4]*=b,a[5]*=b,a[6]*=b,a[7]*=b,a[8]*=b,a)},f.inverse=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],f=a[3],g=a[4],h=a[5],i=a[6],j=a[7],k=a[8],l=1/(c*g*k+d*h*i+e*f*j-e*g*i-d*f*k-c*h*j);return b[0]=(g*k-h*j)*l,b[1]=(e*j-d*k)*l,b[2]=(d*h-e*g)*l,b[3]=(h*i-f*k)*l,b[4]=(c*k-e*i)*l,b[5]=(e*f-c*h)*l,b[6]=(f*j-g*i)*l,b[7]=(d*i-c*j)*l,b[8]=(c*g-d*f)*l,b},f.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3],h=a[4],i=a[5],j=a[6],k=a[7],l=a[8],m=b[0],n=b[1],o=b[2],p=b[3],q=b[4],r=b[5],s=b[6],t=b[7],u=b[8];return c[0]=d*m+e*p+f*s,c[1]=d*n+e*q+f*t,c[2]=d*o+e*r+f*u,c[3]=g*m+h*p+i*s,c[4]=g*n+h*q+i*t,c[5]=g*o+h*r+i*u,c[6]=j*m+k*p+l*s,c[7]=j*n+k*q+l*t,c[8]=j*o+k*r+l*u,c},f.xVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2];return c[0]=a[0]*d+a[1]*e+a[2]*f,c[1]=a[3]*d+a[4]*e+a[5]*f,c[2]=a[6]*d+a[7]*e+a[8]*f,c};var h={};h.create=function(a){var b;return a?(b=new glMatrixArrayType(4),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3]):b=new glMatrixArrayType(glMatrixArrayType===Array?[0,0,0,0]:4),b},h.project=function(a,b){return b||(b=a),b[0]=a[0]/a[3],b[1]=a[1]/a[3],b[2]=a[2]/a[3],b
},h.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[4]*=b,a)},h.xMat4=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3];return c[0]=b[0]*d+b[4]*e+b[8]*f+b[12]*g,c[1]=b[1]*d+b[5]*e+b[9]*f+b[13]*g,c[2]=b[2]*d+b[6]*e+b[10]*f+b[14]*g,c[3]=b[3]*d+b[7]*e+b[11]*f+b[15]*g,c};var i={};i.create=function(a){var b;return a?(b=new glMatrixArrayType(4),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3]):b=new glMatrixArrayType(glMatrixArrayType===Array?[0,0,0,0]:4),b},i.xVec2=function(a,b,c){c||(c=b);var d=b[0],e=b[1];return c[0]=a[0]*d+a[1]*e,c[1]=a[2]*d+a[3]*e,c},i.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[3]*=b,a)},i.determinant=function(a){return a[0]*a[3]-a[1]*a[2]},i.inverse=function(a){var b=1/i.determinant(a),c=a[3]*b,d=-a[1]*b,e=-a[2]*b,f=a[0];return a[0]=c,a[1]=d,a[2]=e,a[3]=f,a};var j={};j.create=function(a){var b;return a?(b=new glMatrixArrayType(2),b[0]=a[0],b[1]=a[1]):b=new glMatrixArrayType(glMatrixArrayType===Array?[0,0]:2),b},j.subtract=function(a,b,c){return c&&a!=c?(c[0]=a[0]-b[0],c[1]=a[1]-b[1],c):(a[0]-=b[0],a[1]-=b[1],a)},j.add=function(a,b,c){return c&&a!=c?(c[0]=a[0]+b[0],c[1]=a[1]+b[1],c):(a[0]+=b[0],a[1]+=b[1],a)},j.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c):(a[0]*=b,a[1]*=b,a)},j.normalize=function(a,b){b||(b=a);var c=a[0],d=a[1],e=Math.sqrt(c*c+d*d);return e?1==e?(b[0]=c,b[1]=d,b):(e=1/e,b[0]=c*e,b[1]=d*e,b):(b[0]=0,b[1]=0,b)},j.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]},j.multiply=function(a,b,c){return c||(c=a),c[0]=a[0]*b[0],c[1]=a[1]*b[1],c},j.unproject=function(a){return e.create([a[0],a[1],1])},j.length=function(a){return Math.sqrt(a[0]*a[0]+a[1]*a[1])},j.perspectiveProject=function(a){var b=j.create(a);return j.scale(b,1/a[2])},e.project=function(a){return j.scale(j.create(a),1/a[2])};var k={};k.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c[4]=a[4]*b,c[5]=a[5]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[3]*=b,a[4]*=b,a[5]*=b,a)},k.subtract=function(a,b,c){return c&&a!=c?(c[0]=a[0]-b[0],c[1]=a[1]-b[1],c[2]=a[2]-b[2],c[3]=a[3]-b[3],c[4]=a[4]-b[4],c[5]=a[5]-b[5],c):(a[0]-=b[0],a[1]-=b[1],a[2]-=b[2],a[3]-=b[3],a[4]-=b[4],a[5]-=b[5],a)},k.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]+a[4]*b[4]+a[5]*b[5]};var l={};return l.xVec6=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5];return c[0]=a[0]*d+a[1]*e+a[2]*f+a[3]*g+a[4]*h+a[5]*i,c[1]=a[6]*d+a[7]*e+a[8]*f+a[9]*g+a[10]*h+a[11]*i,c[2]=a[12]*d+a[13]*e+a[14]*f+a[15]*g+a[16]*h+a[17]*i,c[3]=a[18]*d+a[19]*e+a[20]*f+a[21]*g+a[22]*h+a[23]*i,c[4]=a[24]*d+a[25]*e+a[26]*f+a[27]*g+a[28]*h+a[29]*i,c[5]=a[30]*d+a[31]*e+a[32]*f+a[33]*g+a[34]*h+a[35]*i,c},f.xVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2];return c[0]=a[0]*d+a[1]*e+a[2]*f,c[1]=a[3]*d+a[4]*e+a[5]*f,c[2]=a[6]*d+a[7]*e+a[8]*f,c},d("glMatrixAddon",["glMatrix"],function(a){return function(){var b;return b||a.glMatrixAddon}}(this)),d("array_helper",[],function(){"use strict";return{init:function(a,b){for(var c=a.length;c--;)a[c]=b},shuffle:function(a){var b,c,d=a.length-1;for(d;d>=0;d--)b=Math.floor(Math.random()*d),c=a[d],a[d]=a[b],a[b]=c;return a},toPointList:function(a){var b,c,d=[],e=[];for(b=0;b<a.length;b++){for(d=[],c=0;c<a[b].length;c++)d[c]=a[b][c];e[b]="["+d.join(",")+"]"}return"["+e.join(",\r\n")+"]"},threshold:function(a,b,c){var d,e=[];for(d=0;d<a.length;d++)c.apply(a,[a[d]])>=b&&e.push(a[d]);return e},maxIndex:function(a){var b,c=0;for(b=0;b<a.length;b++)a[b]>a[c]&&(c=b);return c},max:function(a){var b,c=0;for(b=0;b<a.length;b++)a[b]>c&&(c=a[b]);return c},sum:function(a){for(var b=a.length,c=0;b--;)c+=a[b];return c}}}),d("cv_utils",["cluster","glMatrixAddon","array_helper"],function(a,b,c){"use strict";var d={};return d.imageRef=function(a,b){var c={x:a,y:b,toVec2:function(){return j.create([this.x,this.y])},toVec3:function(){return e.create([this.x,this.y,1])},round:function(){return this.x=Math.floor(this.x>0?this.x+.5:this.x-.5),this.y=Math.floor(this.y>0?this.y+.5:this.y-.5),this}};return c},d.computeIntegralImage2=function(a,b){var c,d,e=a.data,f=a.size.x,g=a.size.y,h=b.data,i=0,j=0,k=0,l=0,m=0;for(k=f,i=0,d=1;g>d;d++)i+=e[j],h[k]+=i,j+=f,k+=f;for(j=0,k=1,i=0,c=1;f>c;c++)i+=e[j],h[k]+=i,j++,k++;for(d=1;g>d;d++)for(j=d*f+1,k=(d-1)*f+1,l=d*f,m=(d-1)*f,c=1;f>c;c++)h[j]+=e[j]+h[k]+h[l]-h[m],j++,k++,l++,m++},d.computeIntegralImage=function(a,b){for(var c=a.data,d=a.size.x,e=a.size.y,f=b.data,g=0,h=0;d>h;h++)g+=c[h],f[h]=g;for(var i=1;e>i;i++){g=0;for(var j=0;d>j;j++)g+=c[i*d+j],f[i*d+j]=g+f[(i-1)*d+j]}},d.thresholdImage=function(a,b,c){c||(c=a);for(var d=a.data,e=d.length,f=c.data;e--;)f[e]=d[e]<b?1:0},d.computeHistogram=function(a,b){b||(b=8);for(var c=a.data,d=c.length,e=8-b,f=1<<b,g=new 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e,f,g,h,i,j,k,l=a.data,m=c.data,n=a.size.x,o=a.size.y,p=b.data,q=0,r=3,s=(2*r+1)*(2*r+1);for(e=0;r>=e;e++)for(f=0;n>f;f++)m[e*n+f]=0,m[(o-1-e)*n+f]=0;for(e=r;o-r>e;e++)for(f=0;r>=f;f++)m[e*n+f]=0,m[e*n+(n-1-f)]=0;for(e=r+1;o-r-1>e;e++)for(f=r+1;n-r>f;f++)g=p[(e-r-1)*n+(f-r-1)],h=p[(e-r-1)*n+(f+r)],i=p[(e+r)*n+(f-r-1)],j=p[(e+r)*n+(f+r)],q=j-i-h+g,k=q/s,m[e*n+f]=l[e*n+f]>k+5?0:1},d.cluster=function(b,c,d){function e(a){var b=!1;for(g=0;g<j.length;g++)h=j[g],h.fits(a)&&(h.add(a),b=!0);return b}var f,g,h,i,j=[];for(d||(d="rad"),f=0;f<b.length;f++)i=a.createPoint(b[f],f,d),e(i)||j.push(a.create(i,c));return j},d.Tracer={trace:function(a,b){function c(c,d){function e(a,b){return a.x>b.x-j&&a.x<b.x+j&&a.y>b.y-k&&a.y<b.y+k?!0:!1}var f,g,h,i,j=1,k=Math.abs(b[1]/10),l=!1;for(f=a[c],i=d?{x:f.x+b[0],y:f.y+b[1]}:{x:f.x-b[0],y:f.y-b[1]},h=d?c+1:c-1,g=a[h];g&&(l=e(g,i))!==!0&&Math.abs(g.y-f.y)<b[1];)h=d?h+1:h-1,g=a[h];return l?h:null}var 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d,e,f,g,h=0,i=0,j=[];for(d=0;b>d;d++)j[d]={score:0,item:null};for(d=0;d<a.length;d++)if(e=c.apply(this,[a[d]]),e>i)for(f=j[h],f.score=e,f.item=a[d],i=Number.MAX_VALUE,g=0;b>g;g++)j[g].score<i&&(i=j[g].score,h=g);return j},d.grayArrayFromImage=function(a,b,c,e){c.drawImage(a,b,0,a.width,a.height);var f=c.getImageData(b,0,a.width,a.height).data;d.computeGray(f,e)},d.grayArrayFromContext=function(a,b,c,e){var f=a.getImageData(c.x,c.y,b.x,b.y).data;d.computeGray(f,e)},d.grayAndHalfSampleFromCanvasData=function(a,b,c){for(var d,e=0,f=b.x,g=Math.floor(a.length/4),h=b.x/2,i=0,j=b.x;g>f;){for(d=0;h>d;d++)c[i]=Math.floor((.299*a[4*e+0]+.587*a[4*e+1]+.114*a[4*e+2]+(.299*a[4*(e+1)+0]+.587*a[4*(e+1)+1]+.114*a[4*(e+1)+2])+(.299*a[4*f+0]+.587*a[4*f+1]+.114*a[4*f+2])+(.299*a[4*(f+1)+0]+.587*a[4*(f+1)+1]+.114*a[4*(f+1)+2]))/4),i++,e+=2,f+=2;e+=j,f+=j}},d.computeGray=function(a,b,c){var d,e=a.length/4|0,f=c&&c.singleChannel===!0;if(f)for(d=0;e>d;d++)b[d]=a[4*d+0];else 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b=a.length;b--;)a[b]=0},d.prototype.subImage=function(b,c){return new a(b,c,this)},d.prototype.subImageAsCopy=function(a,b){var c,d,e=a.size.y,f=a.size.x;for(c=0;f>c;c++)for(d=0;e>d;d++)a.data[d*f+c]=this.data[(b.y+d)*this.size.x+b.x+c]},d.prototype.copyTo=function(a){for(var b=this.data.length,c=this.data,d=a.data;b--;)d[b]=c[b]},d.prototype.get=function(a,b){return this.data[b*this.size.x+a]},d.prototype.getSafe=function(a,b){var c;if(!this.indexMapping){for(this.indexMapping={x:[],y:[]},c=0;c<this.size.x;c++)this.indexMapping.x[c]=c,this.indexMapping.x[c+this.size.x]=c;for(c=0;c<this.size.y;c++)this.indexMapping.y[c]=c,this.indexMapping.y[c+this.size.y]=c}return this.data[this.indexMapping.y[b+this.size.y]*this.size.x+this.indexMapping.x[a+this.size.x]]},d.prototype.set=function(a,b,c){return this.data[b*this.size.x+a]=c,this},d.prototype.zeroBorder=function(){var a,b=this.size.x,c=this.size.y,d=this.data;for(a=0;b>a;a++)d[a]=d[(c-1)*b+a]=0;for(a=1;c-1>a;a++)d[a*b]=d[a*b+(b-1)]=0},d.prototype.invert=function(){for(var a=this.data,b=a.length;b--;)a[b]=a[b]?0:1},d.prototype.convolve=function(a){var b,c,d,e,f=a.length/2|0,g=0;for(c=0;c<this.size.y;c++)for(b=0;b<this.size.x;b++){for(g=0,e=-f;f>=e;e++)for(d=-f;f>=d;d++)g+=a[e+f][d+f]*this.getSafe(b+d,c+e);this.data[c*this.size.x+b]=g}},d.prototype.moments=function(a){var b,c,d,e,f,g,h,i,k,l,m,n,o=this.data,p=this.size.y,q=this.size.x,r=[],s=[],t=Math.PI,u=t/4;if(0>=a)return s;for(f=0;a>f;f++)r[f]={m00:0,m01:0,m10:0,m11:0,m02:0,m20:0,theta:0,rad:0};for(c=0;p>c;c++)for(e=c*c,b=0;q>b;b++)d=o[c*q+b],d>0&&(g=r[d-1],g.m00+=1,g.m01+=c,g.m10+=b,g.m11+=b*c,g.m02+=e,g.m20+=b*b);for(f=0;a>f;f++)g=r[f],isNaN(g.m00)||0===g.m00||(l=g.m10/g.m00,m=g.m01/g.m00,h=g.m11/g.m00-l*m,i=g.m02/g.m00-m*m,k=g.m20/g.m00-l*l,n=(i-k)/(2*h),n=.5*Math.atan(n)+(h>=0?u:-u)+t,g.theta=(180*n/t+90)%180-90,g.theta<0&&(g.theta+=180),g.rad=n>t?n-t:n,g.vec=j.create([Math.cos(n),Math.sin(n)]),s.push(g));return s},d.prototype.show=function(a,b){var c,d,e,f,g,h,i;for(b||(b=1),c=a.getContext("2d"),a.width=this.size.x,a.height=this.size.y,d=c.getImageData(0,0,a.width,a.height),e=d.data,f=0,i=0;i<this.size.y;i++)for(h=0;h<this.size.x;h++)g=i*this.size.x+h,f=this.get(h,i)*b,e[4*g+0]=f,e[4*g+1]=f,e[4*g+2]=f,e[4*g+3]=255;c.putImageData(d,0,0)},d.prototype.overlay=function(a,c,d){(!c||0>c||c>360)&&(c=360);for(var e=[0,1,1],f=[0,0,0],g=[255,255,255],h=[0,0,0],i=[],j=a.getContext("2d"),k=j.getImageData(d.x,d.y,this.size.x,this.size.y),l=k.data,m=this.data.length;m--;)e[0]=this.data[m]*c,i=e[0]<=0?g:e[0]>=360?h:b.hsv2rgb(e,f),l[4*m+0]=i[0],l[4*m+1]=i[1],l[4*m+2]=i[2],l[4*m+3]=255;j.putImageData(k,d.x,d.y)},d}),d("tracer",[],function(){"use strict";var a={searchDirections:[[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1],[-1,0],[-1,1]],create:function(a,b){function c(a,b,c,d){var e,k,l;for(e=0;7>e;e++){if(k=a.cy+i[a.dir][0],l=a.cx+i[a.dir][1],f=k*j+l,g[f]===b&&(0===h[f]||h[f]===c))return h[f]=c,a.cy=k,a.cx=l,!0;0===h[f]&&(h[f]=d),a.dir=(a.dir+1)%8}return!1}function d(a,b,c){return{dir:c,x:a,y:b,next:null,prev:null}}function e(a,b,e,f,g){var h,i,j,k=null,l={cx:b,cy:a,dir:0};if(c(l,f,e,g)){k=d(b,a,l.dir),h=k,j=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i;do l.dir=(l.dir+6)%8,c(l,f,e,g),j!=l.dir?(h.dir=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i):(h.dir=j,h.x=l.cx,h.y=l.cy),j=l.dir;while(l.cx!=b||l.cy!=a);k.prev=h.prev,h.prev.next=k}return k}var f,g=a.data,h=b.data,i=this.searchDirections,j=a.size.x;return{trace:function(a,b,d,e){return c(a,b,d,e)},contourTracing:function(a,b,c,d,f){return e(a,b,c,d,f)}}}};return a}),d("rasterizer",["tracer"],function(a){"use strict";var b={createContour2D:function(){return{dir:null,index:null,firstVertex:null,insideContours:null,nextpeer:null,prevpeer:null}},CONTOUR_DIR:{CW_DIR:0,CCW_DIR:1,UNKNOWN_DIR:2},DIR:{OUTSIDE_EDGE:-32767,INSIDE_EDGE:-32766},create:function(c,d){var e=c.data,f=d.data,g=c.size.x,h=c.size.y,i=a.create(c,d);return{rasterize:function(a){var c,d,j,k,l,m,n,o,p,q,r,s,t=[],u=0;for(s=0;400>s;s++)t[s]=0;for(t[0]=e[0],p=null,m=1;h-1>m;m++)for(k=0,d=t[0],l=1;g-1>l;l++)if(r=m*g+l,0===f[r])if(c=e[r],c!==d){if(0===k)j=u+1,t[j]=c,d=c,n=i.contourTracing(m,l,j,c,b.DIR.OUTSIDE_EDGE),null!==n&&(u++,k=j,o=b.createContour2D(),o.dir=b.CONTOUR_DIR.CW_DIR,o.index=k,o.firstVertex=n,o.nextpeer=p,o.insideContours=null,null!==p&&(p.prevpeer=o),p=o);else if(n=i.contourTracing(m,l,b.DIR.INSIDE_EDGE,c,k),null!==n){for(o=b.createContour2D(),o.firstVertex=n,o.insideContours=null,o.dir=0===a?b.CONTOUR_DIR.CCW_DIR:b.CONTOUR_DIR.CW_DIR,o.index=a,q=p;null!==q&&q.index!==k;)q=q.nextpeer;null!==q&&(o.nextpeer=q.insideContours,null!==q.insideContours&&(q.insideContours.prevpeer=o),q.insideContours=o)}}else f[r]=k;else f[r]===b.DIR.OUTSIDE_EDGE||f[r]===b.DIR.INSIDE_EDGE?(k=0,d=f[r]===b.DIR.INSIDE_EDGE?e[r]:t[0]):(k=f[r],d=t[k]);for(q=p;null!==q;)q.index=a,q=q.nextpeer;return{cc:p,count:u}},debug:{drawContour:function(a,c){var d,e,f,g=a.getContext("2d"),h=c;for(g.strokeStyle="red",g.fillStyle="red",g.lineWidth=1,d=null!==h?h.insideContours:null;null!==h;){switch(null!==d?(e=d,d=d.nextpeer):(e=h,h=h.nextpeer,d=null!==h?h.insideContours:null),e.dir){case b.CONTOUR_DIR.CW_DIR:g.strokeStyle="red";break;case b.CONTOUR_DIR.CCW_DIR:g.strokeStyle="blue";break;case b.CONTOUR_DIR.UNKNOWN_DIR:g.strokeStyle="green"}f=e.firstVertex,g.beginPath(),g.moveTo(f.x,f.y);do f=f.next,g.lineTo(f.x,f.y);while(f!==e.firstVertex);g.stroke()}}}}}};return b}),d("skeletonizer",[],function(){"use strict";function a(stdlib, foreign, buffer) {"use asm";var images=new stdlib.Uint8Array(buffer),size=foreign.size|0,imul=stdlib.Math.imul;function erode(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0) == (5|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function subtract(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0) - (images[(bImagePtr+length)|0]|0))|0;}}function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0)|(images[(bImagePtr+length)|0]|0))|0;}}function countNonZero(imagePtr) {imagePtr=imagePtr|0;var sum=0,length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;sum=((sum|0)+(images[(imagePtr+length)|0]|0))|0;}return (sum|0);}function init(imagePtr, value) {imagePtr=imagePtr|0;value=value|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(imagePtr+length)|0]=value;}}function dilate(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0)>(0|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function memcpy(srcImagePtr, dstImagePtr) {srcImagePtr=srcImagePtr|0;dstImagePtr=dstImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(dstImagePtr+length)|0]=(images[(srcImagePtr+length)|0]|0);}}function zeroBorder(imagePtr) {imagePtr=imagePtr|0;var x=0,y=0;for ( x=0; (x|0)<((size - 1)|0); x=(x+1)|0) {images[(imagePtr+x)|0]=0;images[(imagePtr+y)|0]=0;y=((y+size) - 1)|0;images[(imagePtr+y)|0]=0;y=(y+1)|0;}for ( x=0; (x|0)<(size|0); x=(x+1)|0) {images[(imagePtr+y)|0]=0;y=(y+1)|0;}}function skeletonize() {var subImagePtr=0,erodedImagePtr=0,tempImagePtr=0,skelImagePtr=0,sum=0,done=0;erodedImagePtr=imul(size, size)|0;tempImagePtr=(erodedImagePtr+erodedImagePtr)|0;skelImagePtr=(tempImagePtr+erodedImagePtr)|0;init(skelImagePtr, 0);zeroBorder(subImagePtr);do {erode(subImagePtr, erodedImagePtr);dilate(erodedImagePtr, tempImagePtr);subtract(subImagePtr, tempImagePtr, tempImagePtr);bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr);memcpy(erodedImagePtr, subImagePtr);sum=countNonZero(subImagePtr)|0;done=((sum|0) == 0|0);} while(!done);}return {skeletonize : skeletonize};}
return a}),d("image_debug",[],function(){"use strict";return{drawRect:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=1,c.beginPath(),c.strokeRect(a.x,a.y,b.x,b.y)},drawPath:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=d.lineWidth,c.beginPath(),c.moveTo(a[0][b.x],a[0][b.y]);for(var e=1;e<a.length;e++)c.lineTo(a[e][b.x],a[e][b.y]);c.closePath(),c.stroke()},drawImage:function(a,b,c){var d,e=c.getImageData(0,0,b.x,b.y),f=e.data,g=a.length,h=f.length;if(h/g!==4)return!1;for(;g--;)d=a[g],f[--h]=255,f[--h]=d,f[--h]=d,f[--h]=d;return c.putImageData(e,0,0),!0}}}),d("barcode_locator",["image_wrapper","cv_utils","rasterizer","tracer","skeletonizer","array_helper","image_debug"],function(a,b,c,d,e,f,g){function h(){var c;v=u.halfSample?new a({x:E.size.x/2|0,y:E.size.y/2|0}):E,D=b.calculatePatchSize(u.patchSize,v.size),H.x=v.size.x/D.x|0,H.y=v.size.y/D.y|0,C=new a(v.size,void 0,Uint8Array,!1),y=new a(D,void 0,Array,!0),c=new ArrayBuffer(65536),x=new a(D,new Uint8Array(c,0,D.x*D.y)),w=new a(D,new Uint8Array(c,D.x*D.y*3,D.x*D.y),void 0,!0),F=e(I,{size:D.x},c),B=new a({x:v.size.x/x.size.x|0,y:v.size.y/x.size.y|0},void 0,Array,!0),z=new a(B.size,void 0,void 0,!0),A=new a(B.size,void 0,Int32Array,!0)}function k(){u.useWorker||"undefined"==typeof document||(G.dom.binary=document.createElement("canvas"),G.dom.binary.className="binaryBuffer",u.showCanvas===!0&&document.querySelector("#debug").appendChild(G.dom.binary),G.ctx.binary=G.dom.binary.getContext("2d"),G.dom.binary.width=C.size.x,G.dom.binary.height=C.size.y)}function l(a){var b,c,d,e,f,h,k,l=C.size.x,m=C.size.y,n=-C.size.x,o=-C.size.y;for(b=0,c=0;c<a.length;c++)e=a[c],b+=e.rad,u.showPatches&&g.drawRect(e.pos,x.size,G.ctx.binary,{color:"red"});for(b/=a.length,b=(180*b/Math.PI+90)%180-90,0>b&&(b+=180),b=(180-b)*Math.PI/180,f=i.create([Math.cos(b),-Math.sin(b),Math.sin(b),Math.cos(b)]),c=0;c<a.length;c++){for(e=a[c],d=0;4>d;d++)i.xVec2(f,e.box[d]);u.boxFromPatches.showTransformed&&g.drawPath(e.box,{x:0,y:1},G.ctx.binary,{color:"#99ff00",lineWidth:2})}for(c=0;c<a.length;c++)for(e=a[c],d=0;4>d;d++)e.box[d][0]<l&&(l=e.box[d][0]),e.box[d][0]>n&&(n=e.box[d][0]),e.box[d][1]<m&&(m=e.box[d][1]),e.box[d][1]>o&&(o=e.box[d][1]);for(h=[[l,m],[n,m],[n,o],[l,o]],u.boxFromPatches.showTransformedBox&&g.drawPath(h,{x:0,y:1},G.ctx.binary,{color:"#ff0000",lineWidth:2}),k=u.halfSample?2:1,f=i.inverse(f),d=0;4>d;d++)i.xVec2(f,h[d]);for(u.boxFromPatches.showBB&&g.drawPath(h,{x:0,y:1},G.ctx.binary,{color:"#ff0000",lineWidth:2}),d=0;4>d;d++)j.scale(h[d],k);return h}function m(){b.otsuThreshold(v,C),C.zeroBorder(),u.showCanvas&&C.show(G.dom.binary,255)}function n(){var a,b,d,e,h,i,j,k,l=[];for(a=0;a<H.x;a++)for(b=0;b<H.y;b++)d=x.size.x*a,e=x.size.y*b,r(d,e),w.zeroBorder(),f.init(y.data,0),i=c.create(w,y),j=i.rasterize(0),u.showLabels&&y.overlay(G.dom.binary,Math.floor(360/j.count),{x:d,y:e}),h=y.moments(j.count),l=l.concat(s(h,[a,b],d,e));if(u.showFoundPatches)for(a=0;a<l.length;a++)k=l[a],g.drawRect(k.pos,x.size,G.ctx.binary,{color:"#99ff00",lineWidth:2});return l}function o(a){var b,c,d=[],e=[];for(b=0;a>b;b++)d.push(0);for(c=A.data.length;c--;)A.data[c]>0&&d[A.data[c]-1]++;return d=d.map(function(a,b){return{val:a,label:b+1}}),d.sort(function(a,b){return b.val-a.val}),e=d.filter(function(a){return a.val>=5})}function p(a,c){var d,e,f,h,i,j=[],k=[],m=[0,1,1],n=[0,0,0];for(d=0;d<a.length;d++){for(f=A.data.length,j.length=0;f--;)A.data[f]===a[d].label&&(h=B.data[f],j.push(h));if(i=l(j),i&&(k.push(i),u.showRemainingPatchLabels))for(e=0;e<j.length;e++)h=j[e],m[0]=a[d].label/(c+1)*360,b.hsv2rgb(m,n),g.drawRect(h.pos,x.size,G.ctx.binary,{color:"rgb("+n.join(",")+")",lineWidth:2})}return k}function q(a){var c=b.cluster(a,.9),d=b.topGeneric(c,1,function(a){return a.getPoints().length}),e=[],f=[];if(1===d.length){e=d[0].item.getPoints();for(var g=0;g<e.length;g++)f.push(e[g].point)}return f}function r(a,c){C.subImageAsCopy(x,b.imageRef(a,c)),F.skeletonize(),u.showSkeleton&&w.overlay(G.dom.binary,360,b.imageRef(a,c))}function s(a,b,c,d){var e,f,g,h,i=0,k=[],l=[],m=Math.ceil(D.x/3);if(a.length>=2){for(e=0;e<a.length;e++)a[e].m00>m&&k.push(a[e]);if(k.length>=2){for(i=k.length,g=q(k),f=0,e=0;e<g.length;e++)f+=g[e].rad;g.length>1&&g.length>=k.length/4*3&&g.length>a.length/4&&(f/=g.length,h={index:b[1]*H.x+b[0],pos:{x:c,y:d},box:[j.create([c,d]),j.create([c+x.size.x,d]),j.create([c+x.size.x,d+x.size.y]),j.create([c,d+x.size.y])],moments:g,rad:f,vec:j.create([Math.cos(f),Math.sin(f)])},l.push(h))}}return l}function t(a){function c(){var a;for(a=0;a<A.data.length;a++)if(0===A.data[a]&&1===z.data[a])return a;return A.length}function e(a){var b,c,f,g,h,i,m,n={x:a%A.size.x,y:a/A.size.x|0};if(a<A.data.length)for(f=B.data[a],A.data[a]=k,i=0;i<d.searchDirections.length;i++)c=n.y+d.searchDirections[i][0],b=n.x+d.searchDirections[i][1],h=c*A.size.x+b,0!==z.data[h]?(g=B.data[h],0===A.data[h]&&(m=Math.abs(j.dot(g.vec,f.vec)),m>l&&e(h))):A.data[h]=Number.MAX_VALUE}var h,i,k=0,l=.95,m=0,n=[0,1,1],o=[0,0,0];for(f.init(z.data,0),f.init(A.data,0),f.init(B.data,null),h=0;h<a.length;h++)i=a[h],B.data[i.index]=i,z.data[i.index]=1;for(z.zeroBorder();(m=c())<A.data.length;)k++,e(m);if(u.showPatchLabels)for(h=0;h<A.data.length;h++)A.data[h]>0&&A.data[h]<=k&&(i=B.data[h],n[0]=A.data[h]/(k+1)*360,b.hsv2rgb(n,o),g.drawRect(i.pos,x.size,G.ctx.binary,{color:"rgb("+o.join(",")+")",lineWidth:2}));return k}var u,v,w,x,y,z,A,B,C,D,E,F,G={ctx:{binary:null},dom:{binary:null}},H={x:0,y:0},I=this;return{init:function(a,b){u=b,E=a,h(),k()},locate:function(){var a,c,d;if(u.halfSample&&b.halfSample(E,v),m(),a=n(),a.length<H.x*H.y*.05)return null;var e=t(a);return 1>e?null:(c=o(e),0===c.length?null:d=p(c,e))},checkImageConstraints:function(a,c){var d,e,f,g=a.getWidth(),h=a.getHeight(),i=c.halfSample?.5:1;if(a.getConfig().area&&(f=b.computeImageArea(g,h,a.getConfig().area),a.setTopRight({x:f.sx,y:f.sy}),a.setCanvasSize({x:g,y:h}),g=f.sw,h=f.sh),e={x:Math.floor(g*i),y:Math.floor(h*i)},d=b.calculatePatchSize(c.patchSize,e),console.log("Patch-Size: "+JSON.stringify(d)),a.setWidth(Math.floor(Math.floor(e.x/d.x)*(1/i)*d.x)),a.setHeight(Math.floor(Math.floor(e.y/d.y)*(1/i)*d.y)),a.getWidth()%d.x===0&&a.getHeight()%d.y===0)return!0;throw new Error("Image dimensions do not comply with the current settings: Width ("+g+" )and height ("+h+") must a multiple of "+d.x)}}}),d("bresenham",["cv_utils","image_wrapper"],function(a,b){"use strict";var c={},d={DIR:{UP:1,DOWN:-1}};return c.getBarcodeLine=function(a,b,c){function d(a,b){l=s[b*t+a],u+=l,v=v>l?l:v,w=l>w?l:w,r.push(l)}var e,f,g,h,i,j,k,l,m=0|b.x,n=0|b.y,o=0|c.x,p=0|c.y,q=Math.abs(p-n)>Math.abs(o-m),r=[],s=a.data,t=a.size.x,u=0,v=255,w=0;for(q&&(j=m,m=n,n=j,j=o,o=p,p=j),m>o&&(j=m,m=o,o=j,j=n,n=p,p=j),e=o-m,f=Math.abs(p-n),g=e/2|0,i=n,h=p>n?1:-1,k=m;o>k;k++)q?d(i,k):d(k,i),g-=f,0>g&&(i+=h,g+=e);return{line:r,min:v,max:w}},c.toOtsuBinaryLine=function(c){var d=c.line,e=new b({x:d.length-1,y:1},d),f=a.determineOtsuThreshold(e,5);return d=a.sharpenLine(d),a.thresholdImage(e,f),{line:d,threshold:f}},c.toBinaryLine=function(a){var b,c,e,f,g,h,i=a.min,j=a.max,k=a.line,l=i+(j-i)/2,m=[],n=(j-i)/12,o=-n;for(e=k[0]>l?d.DIR.UP:d.DIR.DOWN,m.push({pos:0,val:k[0]}),g=0;g<k.length-2;g++)b=k[g+1]-k[g],c=k[g+2]-k[g+1],f=o>b+c&&k[g+1]<1.5*l?d.DIR.DOWN:b+c>n&&k[g+1]>.5*l?d.DIR.UP:e,e!==f&&(m.push({pos:g,val:k[g]}),e=f);for(m.push({pos:k.length,val:k[k.length-1]}),h=m[0].pos;h<m[1].pos;h++)k[h]=k[h]>l?0:1;for(g=1;g<m.length-1;g++)for(n=m[g+1].val>m[g].val?m[g].val+(m[g+1].val-m[g].val)/3*2|0:m[g+1].val+(m[g].val-m[g+1].val)/3|0,h=m[g].pos;h<m[g+1].pos;h++)k[h]=k[h]>n?0:1;return{line:k,threshold:n}},c.debug={printFrequency:function(a,b){var c,d=b.getContext("2d");for(b.width=a.length,b.height=256,d.beginPath(),d.strokeStyle="blue",c=0;c<a.length;c++)d.moveTo(c,255),d.lineTo(c,255-a[c]);d.stroke(),d.closePath()},printPattern:function(a,b){var c,d=b.getContext("2d");for(b.width=a.length,d.fillColor="black",c=0;c<a.length;c++)1===a[c]&&d.fillRect(c,0,1,100)}},c}),d("code_39_reader",["./barcode_reader","./array_helper"],function(a,b){"use strict";function c(){a.call(this)}var d={ALPHABETH_STRING:{value:"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,45,46,32,42,36,47,43,37]},CHARACTER_ENCODINGS:{value:[52,289,97,352,49,304,112,37,292,100,265,73,328,25,280,88,13,268,76,28,259,67,322,19,274,82,7,262,70,22,385,193,448,145,400,208,133,388,196,148,168,162,138,42]},ASTERISK:{value:148},FORMAT:{value:"code_39",writeable:!1}};return c.prototype=Object.create(a.prototype,d),c.prototype.constructor=c,c.prototype._toCounters=function(a,c){var d,e=this,f=c.length,g=e._row.length,h=!e._row[a],i=0;for(b.init(c,0),d=a;g>d;d++)if(e._row[d]^h)c[i]++;else{if(i++,i===f)break;c[i]=1,h=!h}return c},c.prototype._decode=function(){var a,c,d,e,f=this,g=[0,0,0,0,0,0,0,0,0],h=[],i=f._findStart();if(!i)return null;e=f._nextSet(f._row,i.end);do{if(g=f._toCounters(e,g),d=f._toPattern(g),0>d)return null;if(a=f._patternToChar(d),0>a)return null;h.push(a),c=e,e+=b.sum(g),e=f._nextSet(f._row,e)}while("*"!==a);return h.pop(),h.length&&f._verifyTrailingWhitespace(c,e,g)?{code:h.join(""),start:i.start,end:e,startInfo:i,decodedCodes:h}:null},c.prototype._verifyTrailingWhitespace=function(a,c,d){var e,f=b.sum(d);return e=c-a-f,3*e>=f?!0:!1},c.prototype._patternToChar=function(a){var b,c=this;for(b=0;b<c.CHARACTER_ENCODINGS.length;b++)if(c.CHARACTER_ENCODINGS[b]===a)return String.fromCharCode(c.ALPHABET[b])},c.prototype._findNextWidth=function(a,b){var c,d=Number.MAX_VALUE;for(c=0;c<a.length;c++)a[c]<d&&a[c]>b&&(d=a[c]);return d},c.prototype._toPattern=function(a){for(var b,c,d=a.length,e=0,f=d,g=0,h=this;f>3;){for(e=h._findNextWidth(a,e),f=0,b=0,c=0;d>c;c++)a[c]>e&&(b|=1<<d-1-c,f++,g+=a[c]);if(3===f){for(c=0;d>c&&f>0;c++)if(a[c]>e&&(f--,2*a[c]>=g))return-1;return b}}return-1},c.prototype._findStart=function(){var a,b,c,d=this,e=d._nextSet(d._row),f=e,g=[0,0,0,0,0,0,0,0,0],h=0,i=!1;for(a=e;a<d._row.length;a++)if(d._row[a]^i)g[h]++;else{if(h===g.length-1){if(d._toPattern(g)===d.ASTERISK&&(c=Math.floor(Math.max(0,f-(a-f)/4)),d._matchRange(c,f,0)))return{start:f,end:a};for(f+=g[0]+g[1],b=0;7>b;b++)g[b]=g[b+2];g[7]=0,g[8]=0,h--}else h++;g[h]=1,i=!i}return null},c}),d("code_39_vin_reader",["./code_39_reader"],function(a){"use strict";function b(){a.call(this)}var c={IOQ:/[IOQ]/g,AZ09:/[A-Z0-9]{17}/};return b.prototype=Object.create(a.prototype),b.prototype.constructor=b,b.prototype._decode=function(){var b=a.prototype._decode.apply(this);if(!b)return null;var d=b.code;if(d)return d=d.replace(c.IOQ,""),d.match(c.AZ09)?this._checkChecksum(d)?(b.code=d,b):null:(console.log("Failed AZ09 pattern code:",d),null)},b.prototype._checkChecksum=function(a){return!!a},b}),d("codabar_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this),this._counters=[]}var c={ALPHABETH_STRING:{value:"0123456789-$:/.+ABCD"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,45,36,58,47,46,43,65,66,67,68]},CHARACTER_ENCODINGS:{value:[3,6,9,96,18,66,33,36,48,72,12,24,69,81,84,21,26,41,11,14]},START_END:{value:[26,41,11,14]},MIN_ENCODED_CHARS:{value:4},MAX_ACCEPTABLE:{value:2},PADDING:{value:1.5},FORMAT:{value:"codabar",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decode=function(){var a,b,c,d,e,f=this,g=[];if(f._fillCounters(),a=f._findStart(),!a)return null;d=a.startCounter;do{if(c=f._toPattern(d),0>c)return null;if(b=f._patternToChar(c),0>b)return null;if(g.push(b),d+=8,g.length>1&&f._isStartEnd(c))break}while(d<f._counters.length);return g.length-2<f.MIN_ENCODED_CHARS||!f._isStartEnd(c)?null:f._verifyWhitespace(a.startCounter,d-8)&&f._validateResult(g,a.startCounter)?(d=d>f._counters.length?f._counters.length:d,e=a.start+f._sumCounters(a.startCounter,d-8),{code:g.join(""),start:a.start,end:e,startInfo:a,decodedCodes:g}):null},b.prototype._verifyWhitespace=function(a,b){return(0>=a-1||this._counters[a-1]>=this._calculatePatternLength(a)/2)&&(b+8>=this._counters.length||this._counters[b+7]>=this._calculatePatternLength(b)/2)?!0:!1},b.prototype._calculatePatternLength=function(a){var b,c=0;for(b=a;a+7>b;b++)c+=this._counters[b];return c},b.prototype._thresholdResultPattern=function(a,b){var c,d,e,f,g,h=this,i={space:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}},bar:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}}},j=b;for(e=0;e<a.length;e++){for(g=h._charToPattern(a[e]),f=6;f>=0;f--)c=2===(1&f)?i.bar:i.space,d=1===(1&g)?c.wide:c.narrow,d.size+=h._counters[j+f],d.counts++,g>>=1;j+=8}return["space","bar"].forEach(function(a){var b=i[a];b.wide.min=Math.floor((b.narrow.size/b.narrow.counts+b.wide.size/b.wide.counts)/2),b.narrow.max=Math.ceil(b.wide.min),b.wide.max=Math.ceil((b.wide.size*h.MAX_ACCEPTABLE+h.PADDING)/b.wide.counts)}),i},b.prototype._charToPattern=function(a){var b,c=this,d=a.charCodeAt(0);for(b=0;b<c.ALPHABET.length;b++)if(c.ALPHABET[b]===d)return c.CHARACTER_ENCODINGS[b];return 0},b.prototype._validateResult=function(a,b){var c,d,e,f,g,h,i=this,j=i._thresholdResultPattern(a,b),k=b;for(c=0;c<a.length;c++){for(h=i._charToPattern(a[c]),d=6;d>=0;d--){if(e=0===(1&d)?j.bar:j.space,f=1===(1&h)?e.wide:e.narrow,g=i._counters[k+d],g<f.min||g>f.max)return!1;h>>=1}k+=8}return!0},b.prototype._fillCounters=function(){var a,b=this,c=0,d=!0,e=b._nextUnset(b._row);for(b._counters.length=0,b._counters[c]=0,a=e;a<b._row.length;a++)b._row[a]^d?this._counters[c]++:(c++,this._counters[c]=1,d=!d)},b.prototype._patternToChar=function(a){var b,c=this;for(b=0;b<c.CHARACTER_ENCODINGS.length;b++)if(c.CHARACTER_ENCODINGS[b]===a)return String.fromCharCode(c.ALPHABET[b]);return-1},b.prototype._computeAlternatingThreshold=function(a,b){var c,d,e=Number.MAX_VALUE,f=0;for(c=a;b>c;c+=2)d=this._counters[c],d>f&&(f=d),e>d&&(e=d);return(e+f)/2|0},b.prototype._toPattern=function(a){var b,c,d,e,f=7,g=a+f,h=1<<f-1,i=0;if(g>this._counters.length)return-1;for(b=this._computeAlternatingThreshold(a,g),c=this._computeAlternatingThreshold(a+1,g),d=0;f>d;d++)e=0===(1&d)?b:c,this._counters[a+d]>e&&(i|=h),h>>=1;return i},b.prototype._isStartEnd=function(a){var b;for(b=0;b<this.START_END.length;b++)if(this.START_END[b]===a)return!0;return!1},b.prototype._sumCounters=function(a,b){var c,d=0;for(c=a;b>c;c++)d+=this._counters[c];return d},b.prototype._findStart=function(){var a,b,c,d=this,e=d._nextUnset(d._row);for(a=1;a<this._counters.length;a++)if(b=d._toPattern(a),-1!==b&&d._isStartEnd(b))return e+=d._sumCounters(0,a),c=e+d._sumCounters(a,a+8),{start:e,end:c,startCounter:a,endCounter:a+8}},b}),d("upc_reader",["./ean_reader"],function(a){"use strict";function b(){a.call(this)}var c={FORMAT:{value:"upc_a",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decode=function(){var b=a.prototype._decode.call(this);return b&&b.code&&13===b.code.length&&"0"===b.code.charAt(0)?(b.code=b.code.substring(1),b):null},b}),d("ean_8_reader",["./ean_reader"],function(a){"use strict";function b(){a.call(this)}var c={FORMAT:{value:"ean_8",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodePayload=function(a,b,c){var d,e=this;for(d=0;4>d;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;b.push(a.code),c.push(a)}if(a=e._findPattern(e.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;4>d;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b}),d("upc_e_reader",["./ean_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_FREQUENCY:{value:[[56,52,50,49,44,38,35,42,41,37],[7,11,13,14,19,25,28,21,22,26]]},STOP_PATTERN:{value:[1/6*7,1/6*7,1/6*7,1/6*7,1/6*7,1/6*7]},FORMAT:{value:"upc_e",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodePayload=function(a,b,c){var d,e=this,f=0;for(d=0;6>d;d++){if(a=e._decodeCode(a.end),!a)return null;a.code>=e.CODE_G_START&&(a.code=a.code-e.CODE_G_START,f|=1<<5-d),b.push(a.code),c.push(a)}return e._determineParity(f,b)?a:null},b.prototype._determineParity=function(a,b){var c,d,e=this;for(d=0;d<e.CODE_FREQUENCY.length;d++)for(c=0;c<e.CODE_FREQUENCY[d].length;c++)if(a===e.CODE_FREQUENCY[d][c])return b.unshift(d),b.push(c),!0;return!1},b.prototype._convertToUPCA=function(a){var b=[a[0]],c=a[a.length-2];return b=2>=c?b.concat(a.slice(1,3)).concat([c,0,0,0,0]).concat(a.slice(3,6)):3===c?b.concat(a.slice(1,4)).concat([0,0,0,0,0]).concat(a.slice(4,6)):4===c?b.concat(a.slice(1,5)).concat([0,0,0,0,0,a[5]]):b.concat(a.slice(1,6)).concat([0,0,0,0,c]),b.push(a[a.length-1]),b},b.prototype._checksum=function(b){return a.prototype._checksum.call(this,this._convertToUPCA(b))},b.prototype._findEnd=function(b,c){return c=!0,a.prototype._findEnd.call(this,b,c)},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,b<c._row.length&&c._matchRange(a.end,b,0)?a:void 0},b}),d("barcode_decoder",["bresenham","image_debug","code_128_reader","ean_reader","code_39_reader","code_39_vin_reader","codabar_reader","upc_reader","ean_8_reader","upc_e_reader"],function(a,b,c,d,e,f,g,h,i,j){"use strict";var k={code_128_reader:c,ean_reader:d,ean_8_reader:i,code_39_reader:e,code_39_vin_reader:f,codabar_reader:g,upc_reader:h,upc_e_reader:j},l={create:function(c,d){function e(){if("undefined"!=typeof document){var a=document.querySelector("#debug.detection");o.dom.frequency=document.querySelector("canvas.frequency"),o.dom.frequency||(o.dom.frequency=document.createElement("canvas"),o.dom.frequency.className="frequency",a&&a.appendChild(o.dom.frequency)),o.ctx.frequency=o.dom.frequency.getContext("2d"),o.dom.pattern=document.querySelector("canvas.patternBuffer"),o.dom.pattern||(o.dom.pattern=document.createElement("canvas"),o.dom.pattern.className="patternBuffer",a&&a.appendChild(o.dom.pattern)),o.ctx.pattern=o.dom.pattern.getContext("2d"),o.dom.overlay=document.querySelector("canvas.drawingBuffer"),o.dom.overlay&&(o.ctx.overlay=o.dom.overlay.getContext("2d"))}}function f(){var a;for(a=0;a<c.readers.length;a++)console.log(c.readers[a]),p.push(new k[c.readers[a]])}function g(){if("undefined"!=typeof document){var a,b=[{node:o.dom.frequency,prop:c.showFrequency},{node:o.dom.pattern,prop:c.showPattern}];for(a=0;a<b.length;a++)b[a].node.style.display=b[a].prop===!0?"block":"none"}}function 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