/*! quagga 2015-09-13 */
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 * Available via the MIT or new BSD license.
 * see: http://github.com/jrburke/almond for details
 */
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a[0]=m*d+n*g+o*j,a[1]=m*e+n*h+o*k,a[2]=m*f+n*i+o*l,a[3]=p*d+q*g+r*j,a[4]=p*e+q*h+r*k,a[5]=p*f+q*i+r*l,a[6]=s*d+t*g+u*j,a[7]=s*e+t*h+u*k,a[8]=s*f+t*i+u*l,a},e.mul=e.multiply,e.translate=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=c[0],n=c[1];return a[0]=d,a[1]=e,a[2]=f,a[3]=g,a[4]=h,a[5]=i,a[6]=m*d+n*g+j,a[7]=m*e+n*h+k,a[8]=m*f+n*i+l,a},e.rotate=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=Math.sin(c),n=Math.cos(c);return a[0]=n*d+m*g,a[1]=n*e+m*h,a[2]=n*f+m*i,a[3]=n*g-m*d,a[4]=n*h-m*e,a[5]=n*i-m*f,a[6]=j,a[7]=k,a[8]=l,a},e.scale=function(a,b,c){var d=c[0],e=c[1];return a[0]=d*b[0],a[1]=d*b[1],a[2]=d*b[2],a[3]=e*b[3],a[4]=e*b[4],a[5]=e*b[5],a[6]=b[6],a[7]=b[7],a[8]=b[8],a},e.fromTranslation=function(a,b){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=1,a[5]=0,a[6]=b[0],a[7]=b[1],a[8]=1,a},e.fromRotation=function(a,b){var c=Math.sin(b),d=Math.cos(b);return a[0]=d,a[1]=c,a[2]=0,a[3]=-c,a[4]=d,a[5]=0,a[6]=0,a[7]=0,a[8]=1,a},e.fromScaling=function(a,b){return a[0]=b[0],a[1]=0,a[2]=0,a[3]=0,a[4]=b[1],a[5]=0,a[6]=0,a[7]=0,a[8]=1,a},e.fromMat2d=function(a,b){return a[0]=b[0],a[1]=b[1],a[2]=0,a[3]=b[2],a[4]=b[3],a[5]=0,a[6]=b[4],a[7]=b[5],a[8]=1,a},e.fromQuat=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=c+c,h=d+d,i=e+e,j=c*g,k=d*g,l=d*h,m=e*g,n=e*h,o=e*i,p=f*g,q=f*h,r=f*i;return a[0]=1-l-o,a[3]=k-r,a[6]=m+q,a[1]=k+r,a[4]=1-j-o,a[7]=n-p,a[2]=m-q,a[5]=n+p,a[8]=1-j-l,a},e.normalFromMat4=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8],l=b[9],m=b[10],n=b[11],o=b[12],p=b[13],q=b[14],r=b[15],s=c*h-d*g,t=c*i-e*g,u=c*j-f*g,v=d*i-e*h,w=d*j-f*h,x=e*j-f*i,y=k*p-l*o,z=k*q-m*o,A=k*r-n*o,B=l*q-m*p,C=l*r-n*p,D=m*r-n*q,E=s*D-t*C+u*B+v*A-w*z+x*y;return E?(E=1/E,a[0]=(h*D-i*C+j*B)*E,a[1]=(i*A-g*D-j*z)*E,a[2]=(g*C-h*A+j*y)*E,a[3]=(e*C-d*D-f*B)*E,a[4]=(c*D-e*A+f*z)*E,a[5]=(d*A-c*C-f*y)*E,a[6]=(p*x-q*w+r*v)*E,a[7]=(q*u-o*x-r*t)*E,a[8]=(o*w-p*u+r*s)*E,a):null},e.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"},e.frob=function(a){return Math.sqrt(Math.pow(a[0],2)+Math.pow(a[1],2)+Math.pow(a[2],2)+Math.pow(a[3],2)+Math.pow(a[4],2)+Math.pow(a[5],2)+Math.pow(a[6],2)+Math.pow(a[7],2)+Math.pow(a[8],2))},a.exports=e},function(a,b,c){var d=c(1),e={};e.create=function(){var a=new d.ARRAY_TYPE(16);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},e.clone=function(a){var b=new d.ARRAY_TYPE(16);return b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3],b[4]=a[4],b[5]=a[5],b[6]=a[6],b[7]=a[7],b[8]=a[8],b[9]=a[9],b[10]=a[10],b[11]=a[11],b[12]=a[12],b[13]=a[13],b[14]=a[14],b[15]=a[15],b},e.copy=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],a[6]=b[6],a[7]=b[7],a[8]=b[8],a[9]=b[9],a[10]=b[10],a[11]=b[11],a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15],a},e.identity=function(a){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},e.transpose=function(a,b){if(a===b){var c=b[1],d=b[2],e=b[3],f=b[6],g=b[7],h=b[11];a[1]=b[4],a[2]=b[8],a[3]=b[12],a[4]=c,a[6]=b[9],a[7]=b[13],a[8]=d,a[9]=f,a[11]=b[14],a[12]=e,a[13]=g,a[14]=h}else a[0]=b[0],a[1]=b[4],a[2]=b[8],a[3]=b[12],a[4]=b[1],a[5]=b[5],a[6]=b[9],a[7]=b[13],a[8]=b[2],a[9]=b[6],a[10]=b[10],a[11]=b[14],a[12]=b[3],a[13]=b[7],a[14]=b[11],a[15]=b[15];return a},e.invert=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8],l=b[9],m=b[10],n=b[11],o=b[12],p=b[13],q=b[14],r=b[15],s=c*h-d*g,t=c*i-e*g,u=c*j-f*g,v=d*i-e*h,w=d*j-f*h,x=e*j-f*i,y=k*p-l*o,z=k*q-m*o,A=k*r-n*o,B=l*q-m*p,C=l*r-n*p,D=m*r-n*q,E=s*D-t*C+u*B+v*A-w*z+x*y;return E?(E=1/E,a[0]=(h*D-i*C+j*B)*E,a[1]=(e*C-d*D-f*B)*E,a[2]=(p*x-q*w+r*v)*E,a[3]=(m*w-l*x-n*v)*E,a[4]=(i*A-g*D-j*z)*E,a[5]=(c*D-e*A+f*z)*E,a[6]=(q*u-o*x-r*t)*E,a[7]=(k*x-m*u+n*t)*E,a[8]=(g*C-h*A+j*y)*E,a[9]=(d*A-c*C-f*y)*E,a[10]=(o*w-p*u+r*s)*E,a[11]=(l*u-k*w-n*s)*E,a[12]=(h*z-g*B-i*y)*E,a[13]=(c*B-d*z+e*y)*E,a[14]=(p*t-o*v-q*s)*E,a[15]=(k*v-l*t+m*s)*E,a):null},e.adjoint=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8],l=b[9],m=b[10],n=b[11],o=b[12],p=b[13],q=b[14],r=b[15];return a[0]=h*(m*r-n*q)-l*(i*r-j*q)+p*(i*n-j*m),a[1]=-(d*(m*r-n*q)-l*(e*r-f*q)+p*(e*n-f*m)),a[2]=d*(i*r-j*q)-h*(e*r-f*q)+p*(e*j-f*i),a[3]=-(d*(i*n-j*m)-h*(e*n-f*m)+l*(e*j-f*i)),a[4]=-(g*(m*r-n*q)-k*(i*r-j*q)+o*(i*n-j*m)),a[5]=c*(m*r-n*q)-k*(e*r-f*q)+o*(e*n-f*m),a[6]=-(c*(i*r-j*q)-g*(e*r-f*q)+o*(e*j-f*i)),a[7]=c*(i*n-j*m)-g*(e*n-f*m)+k*(e*j-f*i),a[8]=g*(l*r-n*p)-k*(h*r-j*p)+o*(h*n-j*l),a[9]=-(c*(l*r-n*p)-k*(d*r-f*p)+o*(d*n-f*l)),a[10]=c*(h*r-j*p)-g*(d*r-f*p)+o*(d*j-f*h),a[11]=-(c*(h*n-j*l)-g*(d*n-f*l)+k*(d*j-f*h)),a[12]=-(g*(l*q-m*p)-k*(h*q-i*p)+o*(h*m-i*l)),a[13]=c*(l*q-m*p)-k*(d*q-e*p)+o*(d*m-e*l),a[14]=-(c*(h*q-i*p)-g*(d*q-e*p)+o*(d*i-e*h)),a[15]=c*(h*m-i*l)-g*(d*m-e*l)+k*(d*i-e*h),a},e.determinant=function(a){var b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],i=a[7],j=a[8],k=a[9],l=a[10],m=a[11],n=a[12],o=a[13],p=a[14],q=a[15],r=b*g-c*f,s=b*h-d*f,t=b*i-e*f,u=c*h-d*g,v=c*i-e*g,w=d*i-e*h,x=j*o-k*n,y=j*p-l*n,z=j*q-m*n,A=k*p-l*o,B=k*q-m*o,C=l*q-m*p;return r*C-s*B+t*A+u*z-v*y+w*x},e.multiply=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=b[9],n=b[10],o=b[11],p=b[12],q=b[13],r=b[14],s=b[15],t=c[0],u=c[1],v=c[2],w=c[3];return a[0]=t*d+u*h+v*l+w*p,a[1]=t*e+u*i+v*m+w*q,a[2]=t*f+u*j+v*n+w*r,a[3]=t*g+u*k+v*o+w*s,t=c[4],u=c[5],v=c[6],w=c[7],a[4]=t*d+u*h+v*l+w*p,a[5]=t*e+u*i+v*m+w*q,a[6]=t*f+u*j+v*n+w*r,a[7]=t*g+u*k+v*o+w*s,t=c[8],u=c[9],v=c[10],w=c[11],a[8]=t*d+u*h+v*l+w*p,a[9]=t*e+u*i+v*m+w*q,a[10]=t*f+u*j+v*n+w*r,a[11]=t*g+u*k+v*o+w*s,t=c[12],u=c[13],v=c[14],w=c[15],a[12]=t*d+u*h+v*l+w*p,a[13]=t*e+u*i+v*m+w*q,a[14]=t*f+u*j+v*n+w*r,a[15]=t*g+u*k+v*o+w*s,a},e.mul=e.multiply,e.translate=function(a,b,c){var d,e,f,g,h,i,j,k,l,m,n,o,p=c[0],q=c[1],r=c[2];return b===a?(a[12]=b[0]*p+b[4]*q+b[8]*r+b[12],a[13]=b[1]*p+b[5]*q+b[9]*r+b[13],a[14]=b[2]*p+b[6]*q+b[10]*r+b[14],a[15]=b[3]*p+b[7]*q+b[11]*r+b[15]):(d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=b[9],n=b[10],o=b[11],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,a[9]=m,a[10]=n,a[11]=o,a[12]=d*p+h*q+l*r+b[12],a[13]=e*p+i*q+m*r+b[13],a[14]=f*p+j*q+n*r+b[14],a[15]=g*p+k*q+o*r+b[15]),a},e.scale=function(a,b,c){var d=c[0],e=c[1],f=c[2];return a[0]=b[0]*d,a[1]=b[1]*d,a[2]=b[2]*d,a[3]=b[3]*d,a[4]=b[4]*e,a[5]=b[5]*e,a[6]=b[6]*e,a[7]=b[7]*e,a[8]=b[8]*f,a[9]=b[9]*f,a[10]=b[10]*f,a[11]=b[11]*f,a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15],a},e.rotate=function(a,b,c,e){var f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D=e[0],E=e[1],F=e[2],G=Math.sqrt(D*D+E*E+F*F);return Math.abs(G)<d.EPSILON?null:(G=1/G,D*=G,E*=G,F*=G,f=Math.sin(c),g=Math.cos(c),h=1-g,i=b[0],j=b[1],k=b[2],l=b[3],m=b[4],n=b[5],o=b[6],p=b[7],q=b[8],r=b[9],s=b[10],t=b[11],u=D*D*h+g,v=E*D*h+F*f,w=F*D*h-E*f,x=D*E*h-F*f,y=E*E*h+g,z=F*E*h+D*f,A=D*F*h+E*f,B=E*F*h-D*f,C=F*F*h+g,a[0]=i*u+m*v+q*w,a[1]=j*u+n*v+r*w,a[2]=k*u+o*v+s*w,a[3]=l*u+p*v+t*w,a[4]=i*x+m*y+q*z,a[5]=j*x+n*y+r*z,a[6]=k*x+o*y+s*z,a[7]=l*x+p*y+t*z,a[8]=i*A+m*B+q*C,a[9]=j*A+n*B+r*C,a[10]=k*A+o*B+s*C,a[11]=l*A+p*B+t*C,b!==a&&(a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15]),a)},e.rotateX=function(a,b,c){var d=Math.sin(c),e=Math.cos(c),f=b[4],g=b[5],h=b[6],i=b[7],j=b[8],k=b[9],l=b[10],m=b[11];return b!==a&&(a[0]=b[0],a[1]=b[1],a[2]=b[2],a[3]=b[3],a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15]),a[4]=f*e+j*d,a[5]=g*e+k*d,a[6]=h*e+l*d,a[7]=i*e+m*d,a[8]=j*e-f*d,a[9]=k*e-g*d,a[10]=l*e-h*d,a[11]=m*e-i*d,a},e.rotateY=function(a,b,c){var d=Math.sin(c),e=Math.cos(c),f=b[0],g=b[1],h=b[2],i=b[3],j=b[8],k=b[9],l=b[10],m=b[11];return b!==a&&(a[4]=b[4],a[5]=b[5],a[6]=b[6],a[7]=b[7],a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15]),a[0]=f*e-j*d,a[1]=g*e-k*d,a[2]=h*e-l*d,a[3]=i*e-m*d,a[8]=f*d+j*e,a[9]=g*d+k*e,a[10]=h*d+l*e,a[11]=i*d+m*e,a},e.rotateZ=function(a,b,c){var d=Math.sin(c),e=Math.cos(c),f=b[0],g=b[1],h=b[2],i=b[3],j=b[4],k=b[5],l=b[6],m=b[7];return b!==a&&(a[8]=b[8],a[9]=b[9],a[10]=b[10],a[11]=b[11],a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15]),a[0]=f*e+j*d,a[1]=g*e+k*d,a[2]=h*e+l*d,a[3]=i*e+m*d,a[4]=j*e-f*d,a[5]=k*e-g*d,a[6]=l*e-h*d,a[7]=m*e-i*d,a},e.fromTranslation=function(a,b){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=b[0],a[13]=b[1],a[14]=b[2],a[15]=1,a},e.fromScaling=function(a,b){return a[0]=b[0],a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=b[1],a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=b[2],a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},e.fromRotation=function(a,b,c){var e,f,g,h=c[0],i=c[1],j=c[2],k=Math.sqrt(h*h+i*i+j*j);return 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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 d,e=10,f=[],g=[],h=0,i=0;for(d=0;e>d;d++){for(h=Math.floor(Math.random()*a.length),f=[],i=h,f.push(a[i]);null!==(i=c(i,!0));)f.push(a[i]);if(h>0)for(i=h;null!==(i=c(i,!1));)f.push(a[i]);f.length>g.length&&(g=f)}return g}},d.DILATE=1,d.ERODE=2,d.dilate=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=e>0?1:0},d.erode=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=5===e?1:0},d.subtract=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]-f[d]},d.bitwiseOr=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]||f[d]},d.countNonZero=function(a){for(var b=a.data.length,c=a.data,d=0;b--;)d+=c[b];return d},d.topGeneric=function(a,b,c){var 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,c=[],d=[];for(b=1;b<Math.sqrt(a)+1;b++)a%b===0&&(d.push(b),b!==a/b&&c.unshift(Math.floor(a/b)));return d.concat(c)},d._computeIntersection=function(a,b){for(var c=0,d=0,e=[];c<a.length&&d<b.length;)a[c]===b[d]?(e.push(a[c]),c++,d++):a[c]>b[d]?d++:c++;return e},d.calculatePatchSize=function(a,b){function c(a){for(var b=0,c=a[Math.floor(a.length/2)];b<a.length-1&&a[b]<m;)b++;return b>0&&(c=Math.abs(a[b]-m)>Math.abs(a[b-1]-m)?a[b-1]:a[b]),m/c<i[k+1]/i[k]&&m/c>i[k-1]/i[k]?{x:c,y:c}:null}var d,e=this._computeDivisors(b.x),f=this._computeDivisors(b.y),g=Math.max(b.x,b.y),h=this._computeIntersection(e,f),i=[8,10,15,20,32,60,80],j={"x-small":5,small:4,medium:3,large:2,"x-large":1},k=j[a]||j.medium,l=i[k],m=Math.floor(g/l);return d=c(h),d||(d=c(this._computeDivisors(g)),d||(d=c(this._computeDivisors(m*l)))),d},d._parseCSSDimensionValues=function(a){var b={value:parseFloat(a),unit:(a.indexOf("%")===a.length-1,"%")};return b},d._dimensionsConverters={top:function(a,b){return"%"===a.unit?Math.floor(b.height*(a.value/100)):void 0},right:function(a,b){return"%"===a.unit?Math.floor(b.width-b.width*(a.value/100)):void 0},bottom:function(a,b){return"%"===a.unit?Math.floor(b.height-b.height*(a.value/100)):void 0},left:function(a,b){return"%"===a.unit?Math.floor(b.width*(a.value/100)):void 0}},d.computeImageArea=function(a,b,c){var e={width:a,height:b},f=Object.keys(c).reduce(function(a,b){var f=c[b],g=d._parseCSSDimensionValues(f),h=d._dimensionsConverters[b](g,e);return a[b]=h,a},{});return{sx:f.left,sy:f.top,sw:f.right-f.left,sh:f.bottom-f.top}},d}),d("image_wrapper",["subImage","cv_utils","array_helper","gl-matrix"],function(a,b,c,d){"use strict";function e(a,b,d,e){b?this.data=b:d?(this.data=new d(a.x*a.y),d===Array&&e&&c.init(this.data,0)):(this.data=new Uint8Array(a.x*a.y),Uint8Array===Array&&e&&c.init(this.data,0)),this.size=a}var f=d.vec2,g=d.mat2;return e.prototype.inImageWithBorder=function(a,b){return a.x>=b&&a.y>=b&&a.x<this.size.x-b&&a.y<this.size.y-b},e.transform=function(a,b,c,d,h){var i,j,k,l=b.size.x,m=b.size.y,n=a.size.x,o=a.size.y,p=f.clone([c[0],c[2]]),q=f.clone([c[1],c[3]]),r=0,s=f.subtract(d,g.xVec2(c,h,f.clone()),f.clone()),t=s[0],u=s[1],v=t,w=u,x=e.sample;p[0]<0?t+=l*p[0]:v+=l*p[0],q[0]<0?t+=m*q[0]:v+=m*q[0],p[1]<0?u+=l*p[1]:w+=l*p[1],q[1]<0?u+=m*q[1]:w+=m*q[1];var y=f.subtract(q,f.scale(p,l,f.clone()),f.clone());if(t>=0&&u>=0&&n-1>v&&o-1>w){for(i=s,j=0;m>j;++j,f.add(i,y))for(k=0;l>k;++k,f.add(i,p))b.set(k,j,x(a,i[0],i[1]));return 0}var z=n-1,A=o-1,B=0;for(i=s,j=0;m>j;++j,f.add(i,y))for(k=0;l>k;++k,f.add(i,p))0<=i[0]&&0<=i[1]&&i[0]<z&&i[1]<A?b.set(k,j,x(a,i[0],i[1])):(b.set(k,j,r),++B);return B},e.sample=function(a,b,c){var d=Math.floor(b),e=Math.floor(c),f=a.size.x,g=e*a.size.x+d,h=a.data[g+0],i=a.data[g+1],j=a.data[g+f],k=a.data[g+f+1],l=h-i;b-=d,c-=e;var m=Math.floor(b*(c*(l-j+k)-l)+c*(j-h)+h);return m},e.clearArray=function(a){for(var b=a.length;b--;)a[b]=0},e.prototype.subImage=function(b,c){return new a(b,c,this)},e.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]},e.prototype.copyTo=function(a){for(var b=this.data.length,c=this.data,d=a.data;b--;)d[b]=c[b]},e.prototype.get=function(a,b){return this.data[b*this.size.x+a]},e.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]]},e.prototype.set=function(a,b,c){return this.data[b*this.size.x+a]=c,this},e.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},e.prototype.invert=function(){for(var a=this.data,b=a.length;b--;)a[b]=a[b]?0:1},e.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}},e.prototype.moments=function(a){var b,c,d,e,g,h,i,j,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(g=0;a>g;g++)r[g]={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&&(h=r[d-1],h.m00+=1,h.m01+=c,h.m10+=b,h.m11+=b*c,h.m02+=e,h.m20+=b*b);for(g=0;a>g;g++)h=r[g],isNaN(h.m00)||0===h.m00||(l=h.m10/h.m00,m=h.m01/h.m00,i=h.m11/h.m00-l*m,j=h.m02/h.m00-m*m,k=h.m20/h.m00-l*l,n=(j-k)/(2*i),n=.5*Math.atan(n)+(i>=0?u:-u)+t,h.theta=(180*n/t+90)%180-90,h.theta<0&&(h.theta+=180),h.rad=n>t?n-t:n,h.vec=f.clone([Math.cos(n),Math.sin(n)]),s.push(h));return s},e.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)},e.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)},e}),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,0===a?o.dir=b.CONTOUR_DIR.CCW_DIR:o.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 Math.imul=Math.imul||function(a,b){var c=a>>>16&65535,d=65535&a,e=b>>>16&65535,f=65535&b;return d*f+(c*f+d*e<<16>>>0)|0},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","gl-matrix"],function(a,b,c,d,e,f,g,h){function i(){var c;u=t.halfSample?new a({x:D.size.x/2|0,y:D.size.y/2|0}):D,C=b.calculatePatchSize(t.patchSize,u.size),G.x=u.size.x/C.x|0,G.y=u.size.y/C.y|0,B=new a(u.size,void 0,Uint8Array,!1),x=new a(C,void 0,Array,!0),c=new ArrayBuffer(65536),w=new a(C,new Uint8Array(c,0,C.x*C.y)),v=new a(C,new Uint8Array(c,C.x*C.y*3,C.x*C.y),void 0,!0),E=e(J,{size:C.x},c),A=new a({x:u.size.x/w.size.x|0,y:u.size.y/w.size.y|0},void 0,Array,!0),y=new a(A.size,void 0,void 0,!0),z=new a(A.size,void 0,Int32Array,!0)}function j(){t.useWorker||"undefined"==typeof document||(F.dom.binary=document.createElement("canvas"),F.dom.binary.className="binaryBuffer",t.showCanvas===!0&&document.querySelector("#debug").appendChild(F.dom.binary),F.ctx.binary=F.dom.binary.getContext("2d"),F.dom.binary.width=B.size.x,F.dom.binary.height=B.size.y)}function k(a){var b,c,d,e,f,h,i,j=B.size.x,k=B.size.y,l=-B.size.x,m=-B.size.y;for(b=0,c=0;c<a.length;c++)e=a[c],b+=e.rad,t.showPatches&&g.drawRect(e.pos,w.size,F.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.clone([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++)H.transformMat2(e.box[d],e.box[d],f);t.boxFromPatches.showTransformed&&g.drawPath(e.box,{x:0,y:1},F.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]<j&&(j=e.box[d][0]),e.box[d][0]>l&&(l=e.box[d][0]),e.box[d][1]<k&&(k=e.box[d][1]),e.box[d][1]>m&&(m=e.box[d][1]);for(h=[[j,k],[l,k],[l,m],[j,m]],t.boxFromPatches.showTransformedBox&&g.drawPath(h,{x:0,y:1},F.ctx.binary,{color:"#ff0000",lineWidth:2}),i=t.halfSample?2:1,f=I.invert(f,f),d=0;4>d;d++)H.transformMat2(h[d],h[d],f);for(t.boxFromPatches.showBB&&g.drawPath(h,{x:0,y:1},F.ctx.binary,{color:"#ff0000",lineWidth:2}),d=0;4>d;d++)H.scale(h[d],h[d],i);return h}function l(){b.otsuThreshold(u,B),B.zeroBorder(),t.showCanvas&&B.show(F.dom.binary,255)}function m(){var a,b,d,e,h,i,j,k,l=[];for(a=0;a<G.x;a++)for(b=0;b<G.y;b++)d=w.size.x*a,e=w.size.y*b,q(d,e),v.zeroBorder(),f.init(x.data,0),i=c.create(v,x),j=i.rasterize(0),t.showLabels&&x.overlay(F.dom.binary,Math.floor(360/j.count),{x:d,y:e}),h=x.moments(j.count),l=l.concat(r(h,[a,b],d,e));if(t.showFoundPatches)for(a=0;a<l.length;a++)k=l[a],g.drawRect(k.pos,w.size,F.ctx.binary,{color:"#99ff00",lineWidth:2});return l}function n(a){var b,c,d=[],e=[];for(b=0;a>b;b++)d.push(0);for(c=z.data.length;c--;)z.data[c]>0&&d[z.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 o(a,c){var d,e,f,h,i,j=[],l=[],m=[0,1,1],n=[0,0,0];for(d=0;d<a.length;d++){for(f=z.data.length,j.length=0;f--;)z.data[f]===a[d].label&&(h=A.data[f],j.push(h));if(i=k(j),i&&(l.push(i),t.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,w.size,F.ctx.binary,{color:"rgb("+n.join(",")+")",lineWidth:2})}return l}function p(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 q(a,c){B.subImageAsCopy(w,b.imageRef(a,c)),E.skeletonize(),t.showSkeleton&&v.overlay(F.dom.binary,360,b.imageRef(a,c))}function r(a,b,c,d){var e,f,g,h,i=0,j=[],k=[],l=Math.ceil(C.x/3);if(a.length>=2){for(e=0;e<a.length;e++)a[e].m00>l&&j.push(a[e]);if(j.length>=2){for(i=j.length,g=p(j),f=0,e=0;e<g.length;e++)f+=g[e].rad;g.length>1&&g.length>=j.length/4*3&&g.length>a.length/4&&(f/=g.length,h={index:b[1]*G.x+b[0],pos:{x:c,y:d},box:[H.clone([c,d]),H.clone([c+w.size.x,d]),H.clone([c+w.size.x,d+w.size.y]),H.clone([c,d+w.size.y])],moments:g,rad:f,vec:H.clone([Math.cos(f),Math.sin(f)])},k.push(h))}}return k}function s(a){function c(){var a;for(a=0;a<z.data.length;a++)if(0===z.data[a]&&1===y.data[a])return a;return z.length}function e(a){var b,c,f,g,h,i,l,m={x:a%z.size.x,y:a/z.size.x|0};if(a<z.data.length)for(f=A.data[a],z.data[a]=j,i=0;i<d.searchDirections.length;i++)c=m.y+d.searchDirections[i][0],b=m.x+d.searchDirections[i][1],h=c*z.size.x+b,0!==y.data[h]?(g=A.data[h],0===z.data[h]&&(l=Math.abs(H.dot(g.vec,f.vec)),l>k&&e(h))):z.data[h]=Number.MAX_VALUE}var h,i,j=0,k=.95,l=0,m=[0,1,1],n=[0,0,0];for(f.init(y.data,0),f.init(z.data,0),f.init(A.data,null),h=0;h<a.length;h++)i=a[h],A.data[i.index]=i,y.data[i.index]=1;for(y.zeroBorder();(l=c())<z.data.length;)j++,e(l);if(t.showPatchLabels)for(h=0;h<z.data.length;h++)z.data[h]>0&&z.data[h]<=j&&(i=A.data[h],m[0]=z.data[h]/(j+1)*360,b.hsv2rgb(m,n),g.drawRect(i.pos,w.size,F.ctx.binary,{color:"rgb("+n.join(",")+")",lineWidth:2}));return j}var t,u,v,w,x,y,z,A,B,C,D,E,F={ctx:{binary:null},dom:{binary:null}},G={x:0,y:0},H=h.vec2,I=h.mat2,J=this;return{init:function(a,b){t=b,D=a,i(),j()},locate:function(){var a,c,d;if(t.halfSample&&b.halfSample(D,u),l(),a=m(),a.length<G.x*G.y*.05)return null;var e=s(a);return 1>e?null:(c=n(e),0===c.length?null:d=o(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("barcode_reader",[],function(){"use strict";function a(a){return this._row=[],this.config=a||{},this}return a.prototype._nextUnset=function(a,b){var c;for(void 0===b&&(b=0),c=b;c<a.length;c++)if(!a[c])return c;return a.length},a.prototype._matchPattern=function(a,b){var c,d=0,e=0,f=this.MODULO,g=this.SINGLE_CODE_ERROR||1;for(c=0;c<a.length;c++){if(e=Math.abs(b[c]-a[c]),e>g)return Number.MAX_VALUE;d+=e}return d/f},a.prototype._nextSet=function(a,b){var c;for(b=b||0,c=b;c<a.length;c++)if(a[c])return c;return a.length},a.prototype._normalize=function(a,b){var c,d,e=this,f=0,g=0,h=[],i=0;for(b||(b=e.MODULO),c=0;c<a.length;c++)1===a[c]?g++:f+=a[c];if(d=f/(b-g),d>1)for(c=0;c<a.length;c++)i=1===a[c]?a[c]:a[c]/d,h.push(i);else for(d=(f+g)/b,c=0;c<a.length;c++)i=a[c]/d,h.push(i);return h},a.prototype._matchTrace=function(a,b){var c,d,e=[],f=this,g=f._nextSet(f._row),h=!f._row[g],i=0,j={error:Number.MAX_VALUE,code:-1,start:0};if(a){for(c=0;c<a.length;c++)e.push(0);for(c=g;c<f._row.length;c++)if(f._row[c]^h)e[i]++;else{if(i===e.length-1)return d=f._matchPattern(e,a),b>d?(j.start=c-g,j.end=c,j.counter=e,j):null;i++,e[i]=1,h=!h}}else for(e.push(0),c=g;c<f._row.length;c++)f._row[c]^h?e[i]++:(i++,e.push(0),e[i]=1,h=!h);return j.start=g,j.end=f._row.length-1,j.counter=e,j},a.prototype.decodePattern=function(b){var c,d=this;return d._row=b,c=d._decode(),null===c?(d._row.reverse(),c=d._decode(),c&&(c.direction=a.DIRECTION.REVERSE,c.start=d._row.length-c.start,c.end=d._row.length-c.end)):c.direction=a.DIRECTION.FORWARD,c&&(c.format=d.FORMAT),c},a.prototype._matchRange=function(a,b,c){var d;for(a=0>a?0:a,d=a;b>d;d++)if(this._row[d]!==c)return!1;return!0},a.prototype._fillCounters=function(a,b,c){var d,e=this,f=0,g=[];for(c="undefined"!=typeof c?c:!0,a="undefined"!=typeof a?a:e._nextUnset(e._row),b=b||e._row.length,g[f]=0,d=a;b>d;d++)e._row[d]^c?g[f]++:(f++,g[f]=1,c=!c);return g},Object.defineProperty(a.prototype,"FORMAT",{value:"unknown",writeable:!1}),a.DIRECTION={FORWARD:1,REVERSE:-1},a.Exception={StartNotFoundException:"Start-Info was not found!",CodeNotFoundException:"Code could not be found!",PatternNotFoundException:"Pattern could not be found!"},a.CONFIG_KEYS={},a}),d("code_128_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this)}var 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 d.CODE_C:switch(f.code<100&&h.push(f.code<10?"0"+f.code:f.code),f.code){case d.CODE_A:a=d.CODE_A;break;case d.CODE_B:a=d.CODE_B;break;case d.STOP_CODE:g=!0}}else g=!0;b&&(a=a==d.CODE_A?d.CODE_B:d.CODE_A)}return null===f?null:(f.end=d._nextUnset(d._row,f.end),d._verifyTrailingWhitespace(f)?(j-=i*k[k.length-1],j%103!=k[k.length-1]?null:h.length?(h.splice(h.length-1,1),{code:h.join(""),start:e.start,end:f.end,codeset:a,startInfo:e,decodedCodes:l,endInfo:f}):null):null)},a.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:null},b}),d("ean_reader",["./barcode_reader"],function(a){"use strict";function b(b){a.call(this,b)}var c={CODE_L_START:{value:0},MODULO:{value:7},CODE_G_START:{value:10},START_PATTERN:{value:[1/3*7,1/3*7,1/3*7]},STOP_PATTERN:{value:[1/3*7,1/3*7,1/3*7]},MIDDLE_PATTERN:{value:[.2*7,.2*7,.2*7,.2*7,.2*7]},CODE_PATTERN:{value:[[3,2,1,1],[2,2,2,1],[2,1,2,2],[1,4,1,1],[1,1,3,2],[1,2,3,1],[1,1,1,4],[1,3,1,2],[1,2,1,3],[3,1,1,2],[1,1,2,3],[1,2,2,2],[2,2,1,2],[1,1,4,1],[2,3,1,1],[1,3,2,1],[4,1,1,1],[2,1,3,1],[3,1,2,1],[2,1,1,3]]},CODE_FREQUENCY:{value:[0,11,13,14,19,25,28,21,22,26]},SINGLE_CODE_ERROR:{value:.67},AVG_CODE_ERROR:{value:.27},FORMAT:{value:"ean_13",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodeCode=function(a,b){var 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 null;if(b.unshift(e),a=f._findPattern(f.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;6>d;d++){if(a=f._decodeCode(a.end,f.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b.prototype._decode=function(){var a,b,c=this,d=[],e=[];return(a=c._findStart())?(b={code:a.code,start:a.start,end:a.end},e.push(b),(b=c._decodePayload(b,d,e))&&(b=c._findEnd(b.end,!1))?(e.push(b),c._checksum(d)?{code:d.join(""),start:a.start,end:b.end,codeset:"",startInfo:a,decodedCodes:e}:null):null):null},b.prototype._checksum=function(a){var b,c=0;for(b=a.length-2;b>=0;b-=2)c+=a[b];for(c*=3,b=a.length-1;b>=0;b-=2)c+=a[b];return c%10===0},b}),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(this._counters=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._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("html_utils",[],function(){"use strict";function a(a){var b=document.createElement("div");for(b.innerHTML=a;b.firstChild;)return b.firstChild}function b(a,c){for(var d in c)try{c[d].constructor==Object?a[d]=b(a[d],c[d]):a[d]=c[d]}catch(e){a[d]=c[d]}return a}return{createNode:function(b){return a(b)},mergeObjects:function(a,c){return b(a,c)}}}),d("i2of5_reader",["./barcode_reader","./html_utils"],function(a,b){"use strict";function c(c){c=b.mergeObjects(d(),c),a.call(this,c),this.barSpaceRatio=[1,1],c.normalizeBarSpaceWidth&&(this.SINGLE_CODE_ERROR=.38,this.AVG_CODE_ERROR=.09)}function d(){var a={};return Object.keys(c.CONFIG_KEYS).forEach(function(b){a[b]=c.CONFIG_KEYS[b]["default"]}),a}var e=1,f=3,g={MODULO:{value:10},START_PATTERN:{value:[2.5*e,2.5*e,2.5*e,2.5*e]},STOP_PATTERN:{value:[2*e,2*e,2*f]},CODE_PATTERN:{value:[[e,e,f,f,e],[f,e,e,e,f],[e,f,e,e,f],[f,f,e,e,e],[e,e,f,e,f],[f,e,f,e,e],[e,f,f,e,e],[e,e,e,f,f],[f,e,e,f,e],[e,f,e,f,e]]},SINGLE_CODE_ERROR:{value:.78,writable:!0},AVG_CODE_ERROR:{value:.38,writable:!0},MAX_CORRECTION_FACTOR:{value:5},FORMAT:{value:"i2of5"}};return c.prototype=Object.create(a.prototype,g),c.prototype.constructor=c,c.prototype._matchPattern=function(b,c){if(this.config.normalizeBarSpaceWidth){var d,e=[0,0],f=[0,0],g=[0,0],h=this.MAX_CORRECTION_FACTOR,i=1/h;for(d=0;d<b.length;d++)e[d%2]+=b[d],f[d%2]+=c[d];for(g[0]=f[0]/e[0],g[1]=f[1]/e[1],g[0]=Math.max(Math.min(g[0],h),i),g[1]=Math.max(Math.min(g[1],h),i),this.barSpaceRatio=g,d=0;d<b.length;d++)b[d]*=this.barSpaceRatio[d%2]}return a.prototype._matchPattern.call(this,b,c)},c.prototype._findPattern=function(a,b,c,d){var e,f,g,h,i,j=[],k=this,l=0,m={error:Number.MAX_VALUE,code:-1,start:0,end:0},n=k.AVG_CODE_ERROR;for(c=c||!1,d=d||!1,b||(b=k._nextSet(k._row)),e=0;e<a.length;e++)j[e]=0;for(e=b;e<k._row.length;e++)if(k._row[e]^c)j[l]++;else{if(l===j.length-1){for(h=0,g=0;g<j.length;g++)h+=j[g];if(i=k._normalize(j),i&&(f=k._matchPattern(i,a),n>f))return m.error=f,m.start=e-h,m.end=e,m;if(!d)return null;for(g=0;g<j.length-2;g++)j[g]=j[g+2];j[j.length-2]=0,j[j.length-1]=0,l--}else l++;j[l]=1,c=!c}return null},c.prototype._findStart=function(){for(var a,b,c=this,d=c._nextSet(c._row),e=1;!b;){if(b=c._findPattern(c.START_PATTERN,d,!1,!0),!b)return null;if(e=Math.floor((b.end-b.start)/4),a=b.start-10*e,a>=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},c.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:null},c.prototype._findEnd=function(){var a,b,c=this;return c._row.reverse(),a=c._findPattern(c.STOP_PATTERN),c._row.reverse(),null===a?null:(b=a.start,a.start=c._row.length-a.end,a.end=c._row.length-b,null!==a?c._verifyTrailingWhitespace(a):null)},c.prototype._decodePair=function(a){var b,c,d=[],e=this;for(b=0;b<a.length;b++){if(c=e._decodeCode(a[b]),!c)return null;d.push(c)}return d},c.prototype._decodeCode=function(a){var b,c,d,e,f=this,g=0,h=f.AVG_CODE_ERROR,i={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(b=0;b<a.length;b++)g+=a[b];if(c=f._normalize(a)){for(e=0;e<f.CODE_PATTERN.length;e++)d=f._matchPattern(c,f.CODE_PATTERN[e]),d<i.error&&(i.code=e,i.error=d);if(i.error<h)return i}return null},c.prototype._decodePayload=function(a,b,c){for(var d,e,f=this,g=0,h=a.length,i=[[0,0,0,0,0],[0,0,0,0,0]];h>g;){for(d=0;5>d;d++)i[0][d]=a[g]*this.barSpaceRatio[0],i[1][d]=a[g+1]*this.barSpaceRatio[1],g+=2;if(e=f._decodePair(i),!e)return null;for(d=0;d<e.length;d++)b.push(e[d].code+""),c.push(e[d])}return e},c.prototype._verifyCounterLength=function(a){return a.length%10===0},c.prototype._decode=function(){var a,b,c,d,e=this,f=[],g=[];return(a=e._findStart())?(g.push(a),(b=e._findEnd())?(d=e._fillCounters(a.end,b.start,!1),e._verifyCounterLength(d)&&(c=e._decodePayload(d,f,g))?f.length%2!==0||f.length<6?null:(g.push(b),{code:f.join(""),start:a.start,end:b.end,startInfo:a,decodedCodes:g}):null):null):null},c.CONFIG_KEYS={normalizeBarSpaceWidth:{type:"boolean","default":!1,description:"If true, the reader tries to normalize thewidth-difference between bars and spaces"}},c}),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","i2of5_reader"],function(a,b,c,d,e,f,g,h,i,j,k){"use strict";var l={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,i2of5_reader:k},m={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(){c.readers.forEach(function(a){var b,c={};"object"==typeof a?(b=a.format,c=a.config):"string"==typeof a&&(b=a),p.push(new l[b](c))}),console.log("Registered Readers: "+p.map(function(a){return JSON.stringify({format:a.FORMAT,config:a.config})}).join(", "))}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].prop===!0?b[a].node.style.display="block":b[a].node.style.display="none"}}function h(a,b,c){function e(c){var d={y:c*Math.sin(b),x:c*Math.cos(b)};a[0].y-=d.y,a[0].x-=d.x,a[1].y+=d.y,a[1].x+=d.x}for(e(c);c>1&&(!d.inImageWithBorder(a[0],0)||!d.inImageWithBorder(a[1],0));)c-=Math.ceil(c/2),e(-c);return a}function i(a){return[{x:(a[1][0]-a[0][0])/2+a[0][0],y:(a[1][1]-a[0][1])/2+a[0][1]},{x:(a[3][0]-a[2][0])/2+a[2][0],y:(a[3][1]-a[2][1])/2+a[2][1]}]}function j(e){var f,g=null,h=a.getBarcodeLine(d,e[0],e[1]);for(c.showFrequency&&(b.drawPath(e,{x:"x",y:"y"},o.ctx.overlay,{color:"red",lineWidth:3}),a.debug.printFrequency(h.line,o.dom.frequency)),a.toBinaryLine(h),c.showPattern&&a.debug.printPattern(h.line,o.dom.pattern),f=0;f<p.length&&null===g;f++)g=p[f].decodePattern(h.line);return null===g?null:{codeResult:g,barcodeLine:h}}function k(a,b,c){var d,e,f,g=Math.sqrt(Math.pow(a[1][0]-a[0][0],2)+Math.pow(a[1][1]-a[0][1],2)),h=16,i=null,k=Math.sin(c),l=Math.cos(c);for(d=1;h>d&&null===i;d++)e=g/h*d*(d%2===0?-1:1),f={y:e*k,x:e*l},b[0].y+=f.x,b[0].x-=f.y,b[1].y+=f.x,b[1].x-=f.y,i=j(b);return i}function m(a){return Math.sqrt(Math.pow(Math.abs(a[1].y-a[0].y),2)+Math.pow(Math.abs(a[1].x-a[0].x),2))}function n(a){var d,e,f,g,l=o.ctx.overlay;return c.drawBoundingBox&&l&&b.drawPath(a,{x:0,y:1},l,{color:"blue",lineWidth:2}),d=i(a),g=m(d),e=Math.atan2(d[1].y-d[0].y,d[1].x-d[0].x),d=h(d,e,Math.floor(.1*g)),null===d?null:(f=j(d),null===f&&(f=k(a,d,e)),null===f?null:(f&&c.drawScanline&&l&&b.drawPath(d,{x:"x",y:"y"},l,{color:"red",lineWidth:3}),{codeResult:f.codeResult,line:d,angle:e,pattern:f.barcodeLine.line,threshold:f.barcodeLine.threshold}))}var o={ctx:{frequency:null,pattern:null,overlay:null},dom:{frequency:null,pattern:null,overlay:null}},p=[];return e(),f(),g(),{decodeFromBoundingBox:function(a){return n(a)},decodeFromBoundingBoxes:function(a){var b,c;for(b=0;b<a.length;b++)if(c=n(a[b]),c&&c.codeResult)return c.box=a[b],c},setReaders:function(a){c.readers=a,p.length=0,f()}}}};return m}),d("frame_grabber",["cv_utils"],function(a){"use strict";var b={};return b.create=function(b,c){var d,e={},f=b.getConfig(),g=a.imageRef(b.getRealWidth(),b.getRealHeight()),h=b.getCanvasSize(),i=a.imageRef(b.getWidth(),b.getHeight()),j=b.getTopRight(),k=j.x,l=j.y,m=null,n=null;return d=c?c:document.createElement("canvas"),d.width=h.x,d.height=h.y,m=d.getContext("2d"),n=new Uint8Array(i.x*i.y),console.log("FrameGrabber",JSON.stringify({size:i,topRight:j,videoSize:g,canvasSize:h})),e.attachData=function(a){n=a},e.getData=function(){return n},e.grab=function(){var c,d=f.halfSample,e=b.getFrame();return e?(m.drawImage(e,0,0,h.x,h.y),c=m.getImageData(k,l,i.x,i.y).data,d?a.grayAndHalfSampleFromCanvasData(c,i,n):a.computeGray(c,n,f),!0):!1},e.getSize=function(){return i},e},b}),d("config",[],function(){var a={inputStream:{name:"Live",type:"LiveStream",constraints:{width:640,height:480,minAspectRatio:0,maxAspectRatio:100,facing:"environment"},area:{top:"0%",right:"0%",left:"0%",bottom:"0%"},singleChannel:!1},tracking:!1,debug:!1,controls:!1,locate:!0,numOfWorkers:4,visual:{show:!0},decoder:{drawBoundingBox:!1,showFrequency:!1,drawScanline:!1,showPattern:!1,readers:["code_128_reader"]},locator:{halfSample:!0,patchSize:"medium",showCanvas:!1,showPatches:!1,showFoundPatches:!1,showSkeleton:!1,showLabels:!1,showPatchLabels:!1,showRemainingPatchLabels:!1,boxFromPatches:{showTransformed:!1,showTransformedBox:!1,showBB:!1}}};return a}),d("events",[],function(){"use strict";var a=function(){function a(a){return e[a]||(e[a]={subscribers:[]}),e[a]}function b(){e={}}function c(a,b){a.async?setTimeout(function(){a.callback(b)},4):a.callback(b)}function d(b,c,d){var e;if("function"==typeof c)e={callback:c,async:d};else if(e=c,!e.callback)throw"Callback was not specified on 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