ssim.js - npm Package Compare versions

Comparing version 2.1.2 to 2.1.3

dist/ssim.js

@@ -1,2 +0,2 @@
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a=this.buffer.readUInt8(this.pos++),n=e*this.width*4+2*r*4,h=a>>4,o=15&a,s=this.palette[h];if(this.data[n]=s.blue,this.data[n+1]=s.green,this.data[n+2]=s.red,this.data[n+3]=255,2*r+1>=this.width)break;s=this.palette[o],this.data[n+4]=s.blue,this.data[n+4+1]=s.green,this.data[n+4+2]=s.red,this.data[n+4+3]=255}0!=i&&(this.pos+=4-i)}},e.prototype.bit8=function(){for(var t=this.width%4,i=this.height-1;i>=0;i--){for(var e=0;e<this.width;e++){var r=this.buffer.readUInt8(this.pos++),a=i*this.width*4+4*e;if(r<this.palette.length){var n=this.palette[r];this.data[a]=n.blue,this.data[a+1]=n.green,this.data[a+2]=n.red,this.data[a+3]=255}else this.data[a]=255,this.data[a+1]=255,this.data[a+2]=255,this.data[a+3]=255}0!=t&&(this.pos+=4-t)}},e.prototype.bit15=function(){for(var t=this.width%3,i=parseInt("11111",2),e=i,r=this.height-1;r>=0;r--){for(var a=0;a<this.width;a++){var n=this.buffer.readUInt16LE(this.pos);this.pos+=2;var h=(n&e)/e*255|0,o=(n>>5&e)/e*255|0,s=(n>>10&e)/e*255|0,d=n>>15?255:0,f=r*this.width*4+4*a;this.data[f]=s,this.data[f+1]=o,this.data[f+2]=h,this.data[f+3]=d}this.pos+=t}},e.prototype.bit16=function(){for(var t=this.width%3,i=parseInt("11111",2),e=i,r=parseInt("111111",2),a=r,n=this.height-1;n>=0;n--){for(var h=0;h<this.width;h++){var o=this.buffer.readUInt16LE(this.pos);this.pos+=2;var s=255,d=(o&e)/e*255|0,f=(o>>5&a)/a*255|0,u=(o>>11)/e*255|0,p=n*this.width*4+4*h;this.data[p]=u,this.data[p+1]=f,this.data[p+2]=d,this.data[p+3]=s}this.pos+=t}},e.prototype.bit24=function(){for(var t=this.height-1;t>=0;t--){for(var i=0;i<this.width;i++){var e=this.buffer.readUInt8(this.pos++),r=this.buffer.readUInt8(this.pos++),a=this.buffer.readUInt8(this.pos++),n=t*this.width*4+4*i;this.data[n]=a,this.data[n+1]=r,this.data[n+2]=e,this.data[n+3]=255}this.pos+=this.width%4}},e.prototype.bit32=function(){for(var t=this.height-1;t>=0;t--){for(var i=0;i<this.width;i++){var e=this.buffer.readUInt8(this.pos++),r=this.buffer.readUInt8(this.pos++),a=this.buffer.readUInt8(this.pos++),n=this.buffer.readUInt8(this.pos++),h=t*this.width*4+4*i;this.data[h]=a,this.data[h+1]=r,this.data[h+2]=e,this.data[h+3]=n}this.pos+=this.width%4}},e.prototype.getData=function(){return this.data},t.exports=function(t){var i=new e(t);return{data:i.getData(),width:i.width,height:i.height}}},function(t,i){"use strict";function e(t){this.buffer=t.data,this.width=t.width,this.height=t.height,this.extraBytes=this.width%4,this.rgbSize=this.height*(3*this.width+this.extraBytes),this.headerInfoSize=40,this.data=[],this.flag="BM",this.reserved=0,this.offset=54,this.fileSize=this.rgbSize+this.offset,this.planes=1,this.bitPP=24,this.compress=0,this.hr=0,this.vr=0,this.colors=0,this.importantColors=0}e.prototype.encode=function(){var t=new Buffer(this.offset+this.rgbSize);this.pos=0,t.write(this.flag,this.pos,2),this.pos+=2,t.writeUInt32LE(this.fileSize,this.pos),this.pos+=4,t.writeUInt32LE(this.reserved,this.pos),this.pos+=4,t.writeUInt32LE(this.offset,this.pos),this.pos+=4,t.writeUInt32LE(this.headerInfoSize,this.pos),this.pos+=4,t.writeUInt32LE(this.width,this.pos),this.pos+=4,t.writeUInt32LE(this.height,this.pos),this.pos+=4,t.writeUInt16LE(this.planes,this.pos),this.pos+=2,t.writeUInt16LE(this.bitPP,this.pos),this.pos+=2,t.writeUInt32LE(this.compress,this.pos),this.pos+=4,t.writeUInt32LE(this.rgbSize,this.pos),this.pos+=4,t.writeUInt32LE(this.hr,this.pos),this.pos+=4,t.writeUInt32LE(this.vr,this.pos),this.pos+=4,t.writeUInt32LE(this.colors,this.pos),this.pos+=4,t.writeUInt32LE(this.importantColors,this.pos),this.pos+=4;for(var i=0,e=3*this.width+this.extraBytes,r=this.height-1;r>=0;r--){for(var a=0;a<this.width;a++){var n=this.pos+r*e+3*a;t[n+2]=this.buffer[i++],t[n+1]=this.buffer[i++],t[n]=this.buffer[i++],i++}if(this.extraBytes>0){var h=this.pos+r*e+3*this.width;t.fill(0,h,h+this.extraBytes)}}return t},t.exports=function(t,i){"undefined"==typeof i&&(i=100);var r=new e(t),a=r.encode();return{data:a,width:t.width,height:t.height}}},function(t,i){"use strict";t.exports=function(t){return t&&t.length>1?255===t[0]&&216===t[1]&&255===t[2]?{ext:"jpg",mime:"image/jpeg"}:137===t[0]&&80===t[1]&&78===t[2]&&71===t[3]?{ext:"png",mime:"image/png"}:71===t[0]&&73===t[1]&&70===t[2]?{ext:"gif",mime:"image/gif"}:87===t[8]&&69===t[9]&&66===t[10]&&80===t[11]?{ext:"webp",mime:"image/webp"}:70===t[0]&&76===t[1]&&73===t[2]&&70===t[3]?{ext:"flif",mime:"image/flif"}:(73===t[0]&&73===t[1]&&42===t[2]&&0===t[3]||77===t[0]&&77===t[1]&&0===t[2]&&42===t[3])&&67===t[8]&&82===t[9]?{ext:"cr2",mime:"image/x-canon-cr2"}:73===t[0]&&73===t[1]&&42===t[2]&&0===t[3]||77===t[0]&&77===t[1]&&0===t[2]&&42===t[3]?{ext:"tif",mime:"image/tiff"}:66===t[0]&&77===t[1]?{ext:"bmp",mime:"image/bmp"}:73===t[0]&&73===t[1]&&188===t[2]?{ext:"jxr",mime:"image/vnd.ms-photo"}:56===t[0]&&66===t[1]&&80===t[2]&&83===t[3]?{ext:"psd",mime:"image/vnd.adobe.photoshop"}:80===t[0]&&75===t[1]&&3===t[2]&&4===t[3]&&109===t[30]&&105===t[31]&&109===t[32]&&101===t[33]&&116===t[34]&&121===t[35]&&112===t[36]&&101===t[37]&&97===t[38]&&112===t[39]&&112===t[40]&&108===t[41]&&105===t[42]&&99===t[43]&&97===t[44]&&116===t[45]&&105===t[46]&&111===t[47]&&110===t[48]&&47===t[49]&&101===t[50]&&112===t[51]&&117===t[52]&&98===t[53]&&43===t[54]&&122===t[55]&&105===t[56]&&112===t[57]?{ext:"epub",mime:"application/epub+zip"}:80===t[0]&&75===t[1]&&3===t[2]&&4===t[3]&&77===t[30]&&69===t[31]&&84===t[32]&&65===t[33]&&45===t[34]&&73===t[35]&&78===t[36]&&70===t[37]&&47===t[38]&&109===t[39]&&111===t[40]&&122===t[41]&&105===t[42]&&108===t[43]&&108===t[44]&&97===t[45]&&46===t[46]&&114===t[47]&&115===t[48]&&97===t[49]?{ext:"xpi",mime:"application/x-xpinstall"}:80!==t[0]||75!==t[1]||3!==t[2]&&5!==t[2]&&7!==t[2]||4!==t[3]&&6!==t[3]&&8!==t[3]?117===t[257]&&115===t[258]&&116===t[259]&&97===t[260]&&114===t[261]?{ext:"tar",mime:"application/x-tar"}:82!==t[0]||97!==t[1]||114!==t[2]||33!==t[3]||26!==t[4]||7!==t[5]||0!==t[6]&&1!==t[6]?31===t[0]&&139===t[1]&&8===t[2]?{ext:"gz",mime:"application/gzip"}:66===t[0]&&90===t[1]&&104===t[2]?{ext:"bz2",mime:"application/x-bzip2"}:55===t[0]&&122===t[1]&&188===t[2]&&175===t[3]&&39===t[4]&&28===t[5]?{ext:"7z",mime:"application/x-7z-compressed"}:120===t[0]&&1===t[1]?{ext:"dmg",mime:"application/x-apple-diskimage"}:0===t[0]&&0===t[1]&&0===t[2]&&(24===t[3]||32===t[3])&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]||51===t[0]&&103===t[1]&&112===t[2]&&53===t[3]||0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&109===t[8]&&112===t[9]&&52===t[10]&&50===t[11]&&109===t[16]&&112===t[17]&&52===t[18]&&49===t[19]&&109===t[20]&&112===t[21]&&52===t[22]&&50===t[23]&&105===t[24]&&115===t[25]&&111===t[26]&&109===t[27]||0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&105===t[8]&&115===t[9]&&111===t[10]&&109===t[11]||0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&109===t[8]&&112===t[9]&&52===t[10]&&50===t[11]&&0===t[12]&&0===t[13]&&0===t[14]&&0===t[15]?{ext:"mp4",mime:"video/mp4"}:0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&77===t[8]&&52===t[9]&&86===t[10]?{ext:"m4v",mime:"video/x-m4v"}:77===t[0]&&84===t[1]&&104===t[2]&&100===t[3]?{ext:"mid",mime:"audio/midi"}:109===t[31]&&97===t[32]&&116===t[33]&&114===t[34]&&111===t[35]&&115===t[36]&&107===t[37]&&97===t[38]?{ext:"mkv",mime:"video/x-matroska"}:26===t[0]&&69===t[1]&&223===t[2]&&163===t[3]?{ext:"webm",mime:"video/webm"}:0===t[0]&&0===t[1]&&0===t[2]&&20===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]?{ext:"mov",mime:"video/quicktime"}:82===t[0]&&73===t[1]&&70===t[2]&&70===t[3]&&65===t[8]&&86===t[9]&&73===t[10]?{ext:"avi",mime:"video/x-msvideo"}:48===t[0]&&38===t[1]&&178===t[2]&&117===t[3]&&142===t[4]&&102===t[5]&&207===t[6]&&17===t[7]&&166===t[8]&&217===t[9]?{ext:"wmv",mime:"video/x-ms-wmv"}:0===t[0]&&0===t[1]&&1===t[2]&&"b"===t[3].toString(16)[0]?{ext:"mpg",mime:"video/mpeg"}:73===t[0]&&68===t[1]&&51===t[2]||255===t[0]&&251===t[1]?{ext:"mp3",mime:"audio/mpeg"}:102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&77===t[8]&&52===t[9]&&65===t[10]||77===t[0]&&52===t[1]&&65===t[2]&&32===t[3]?{ext:"m4a",mime:"audio/m4a"}:79===t[28]&&112===t[29]&&117===t[30]&&115===t[31]&&72===t[32]&&101===t[33]&&97===t[34]&&100===t[35]?{ext:"opus",mime:"audio/opus"}:79===t[0]&&103===t[1]&&103===t[2]&&83===t[3]?{ext:"ogg",mime:"audio/ogg"}:102===t[0]&&76===t[1]&&97===t[2]&&67===t[3]?{ext:"flac",mime:"audio/x-flac"}:82===t[0]&&73===t[1]&&70===t[2]&&70===t[3]&&87===t[8]&&65===t[9]&&86===t[10]&&69===t[11]?{ext:"wav",mime:"audio/x-wav"}:35===t[0]&&33===t[1]&&65===t[2]&&77===t[3]&&82===t[4]&&10===t[5]?{ext:"amr",mime:"audio/amr"}:37===t[0]&&80===t[1]&&68===t[2]&&70===t[3]?{ext:"pdf",mime:"application/pdf"}:77===t[0]&&90===t[1]?{ext:"exe",mime:"application/x-msdownload"}:67!==t[0]&&70!==t[0]||87!==t[1]||83!==t[2]?123===t[0]&&92===t[1]&&114===t[2]&&116===t[3]&&102===t[4]?{ext:"rtf",mime:"application/rtf"}:119===t[0]&&79===t[1]&&70===t[2]&&70===t[3]&&(0===t[4]&&1===t[5]&&0===t[6]&&0===t[7]||79===t[4]&&84===t[5]&&84===t[6]&&79===t[7])?{ext:"woff",mime:"application/font-woff"}:119===t[0]&&79===t[1]&&70===t[2]&&50===t[3]&&(0===t[4]&&1===t[5]&&0===t[6]&&0===t[7]||79===t[4]&&84===t[5]&&84===t[6]&&79===t[7])?{ext:"woff2",mime:"application/font-woff"}:76===t[34]&&80===t[35]&&(0===t[8]&&0===t[9]&&1===t[10]||1===t[8]&&0===t[9]&&2===t[10]||2===t[8]&&0===t[9]&&2===t[10])?{ext:"eot",mime:"application/octet-stream"}:0===t[0]&&1===t[1]&&0===t[2]&&0===t[3]&&0===t[4]?{ext:"ttf",mime:"application/font-sfnt"}:79===t[0]&&84===t[1]&&84===t[2]&&79===t[3]&&0===t[4]?{ext:"otf",mime:"application/font-sfnt"}:0===t[0]&&0===t[1]&&1===t[2]&&0===t[3]?{ext:"ico",mime:"image/x-icon"}:70===t[0]&&76===t[1]&&86===t[2]&&1===t[3]?{ext:"flv",mime:"video/x-flv"}:37===t[0]&&33===t[1]?{ext:"ps",mime:"application/postscript"}:253===t[0]&&55===t[1]&&122===t[2]&&88===t[3]&&90===t[4]&&0===t[5]?{ext:"xz",mime:"application/x-xz"}:83===t[0]&&81===t[1]&&76===t[2]&&105===t[3]?{ext:"sqlite",mime:"application/x-sqlite3"}:78===t[0]&&69===t[1]&&83===t[2]&&26===t[3]?{ext:"nes",mime:"application/x-nintendo-nes-rom"}:67===t[0]&&114===t[1]&&50===t[2]&&52===t[3]?{ext:"crx",mime:"application/x-google-chrome-extension"}:77===t[0]&&83===t[1]&&67===t[2]&&70===t[3]||73===t[0]&&83===t[1]&&99===t[2]&&40===t[3]?{ext:"cab",mime:"application/vnd.ms-cab-compressed"}:33===t[0]&&60===t[1]&&97===t[2]&&114===t[3]&&99===t[4]&&104===t[5]&&62===t[6]&&10===t[7]&&100===t[8]&&101===t[9]&&98===t[10]&&105===t[11]&&97===t[12]&&110===t[13]&&45===t[14]&&98===t[15]&&105===t[16]&&110===t[17]&&97===t[18]&&114===t[19]&&121===t[20]?{ext:"deb",mime:"application/x-deb"}:33===t[0]&&60===t[1]&&97===t[2]&&114===t[3]&&99===t[4]&&104===t[5]&&62===t[6]?{ext:"ar",mime:"application/x-unix-archive"}:237===t[0]&&171===t[1]&&238===t[2]&&219===t[3]?{ext:"rpm",mime:"application/x-rpm"}:31===t[0]&&160===t[1]||31===t[0]&&157===t[1]?{ext:"Z",mime:"application/x-compress"}:76===t[0]&&90===t[1]&&73===t[2]&&80===t[3]?{ext:"lz",mime:"application/x-lzip"}:208===t[0]&&207===t[1]&&17===t[2]&&224===t[3]&&161===t[4]&&177===t[5]&&26===t[6]&&225===t[7]?{ext:"msi",mime:"application/x-msi"}:null:{ext:"swf",mime:"application/x-shockwave-flash"}:{ext:"rar",mime:"application/x-rar-compressed"}:{ext:"zip",mime:"application/zip"}:null}},function(t,i,e){"use strict";var r=e(18);t.exports=function(t){var i=["jpg","png","gif","webp","tif","bmp","jxr","psd"],e=r(t);return i.indexOf(e&&e.ext)!==-1?e:null}},function(t,i,e){"use strict";function r(t){for(var i=2*t+1,e=new Array(Math.pow(i,2)),r=0;r<i;r++)for(var a=0;a<i;a++)e[r*i+a]=Math.pow(r-t,2)+Math.pow(a-t,2);return{data:e,width:i,height:i}}function a(t,i){for(var e=t.data,r=t.width,a=t.height,n=new Array(e.length),h=0;h<e.length;h++)n[h]=Math.exp(-e[h]/(2*Math.pow(i,2)));return{data:n,width:r,height:a}}function n(){var t=(arguments.length>0&&void 0!==arguments[0]?arguments[0]:"gaussian",arguments.length>1&&void 0!==arguments[1]?arguments[1]:3),i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1.5;t=(t-1)/2;var e=r(t),n=a(e,i),h=o(n);return s(n,h)}var h=e(0),o=h.sum2d,s=h.divide2d;t.exports={fspecial:n}},function(t,i,e){"use strict";function r(t,i,e,r){if(t=d(t,u([i/2,e/2]),r),0===o(i,2)&&(t.data=t.data.slice(0,-t.width),t.height--),0===o(e,2)){for(var a=[],n=0;n<t.data.length;n++)(n+1)%t.width!==0&&a.push(t.data[n]);t.data=a,t.width--}return t}function a(t){return"same"===t&&(t="valid"),t}function n(t,i){var e=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"symmetric",n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"same";return t=r(t,i.width,i.height,e),n=a(n),c(i,t,n)}var h=e(6),o=h.mod,s=e(8),d=s.padarray,f=e(0),u=f.floor,p=e(4),c=p.filter2;t.exports={imfilter:n}},function(t,i){"use strict";function e(t){for(var i=t.data,e=t.width,r=t.height,a=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1,h=2.5066282746310007,o=new Array(i.length),s=0;s<i.length;s++){var d=(i[s]-a)/n;o[s]=Math.exp(-Math.pow(d,2)/2)/(n*h)}return{data:o,width:e,height:r}}t.exports={normpdf:e}},function(t,i){"use strict";function e(t){var i=a(t,3),e=i[0],r=i[1],n=i[2];return Math.round(.29894*e+.58704*r+.11402*n)}function r(t){for(var i=t.data,r=t.width,a=t.height,n=new Array(r*a),h=0;h<r;h++)for(var o=0;o<a;o++){var s=h+o*r,d=4*s;n[s]=e([i[d],i[d+1],i[d+2],i[d+3]])}return{data:n,width:r,height:a}}var a=function(){function t(t,i){var e=[],r=!0,a=!1,n=void 0;try{for(var h,o=t[Symbol.iterator]();!(r=(h=o.next()).done)&&(e.push(h.value),!i||e.length!==i);r=!0);}catch(t){a=!0,n=t}finally{try{!r&&o.return&&o.return()}finally{if(a)throw n}}return e}return function(i,e){if(Array.isArray(i))return i;if(Symbol.iterator in Object(i))return t(i,e);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}();t.exports={rgb2gray:r}},function(t,i){"use strict";function e(t,i,e){for(var a=r(i,3),n=a[0],h=a[1],o=a[2],s=r(e,3),d=s[0],f=s[1],u=s[2],p=Math.ceil((u-d)/f),c=Math.ceil((o-n)/h),m=new Array(p*c),l=0;l<c;l++)for(var v=0;v<p;v++){var w=n+l*h,g=d+v*f;m[l*p+v]=t.data[w*t.width+g]}return{data:m,width:p,height:c}}var r=function(){function t(t,i){var e=[],r=!0,a=!1,n=void 0;try{for(var h,o=t[Symbol.iterator]();!(r=(h=o.next()).done)&&(e.push(h.value),!i||e.length!==i);r=!0);}catch(t){a=!0,n=t}finally{try{!r&&o.return&&o.return()}finally{if(a)throw n}}return e}return function(i,e){if(Array.isArray(i))return i;if(Symbol.iterator in Object(i))return t(i,e);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}();t.exports={skip2d:e}},function(t,i){"use strict";function e(t,i,e,r,a){for(var n=t.data,h=t.width,o=new Array(a*e),s=0;s<e;s++)for(var d=0;d<a;d++)o[s*a+d]=n[(r+s)*h+i+d];return{data:o,width:a,height:e}}t.exports={sub:e}},function(t,i,e){"use strict";function r(t){for(var i=t.data,e=t.width,r=t.height,a=n(e,r),h=a.data,o=0;o<r;o++)for(var s=0;s<e;s++)h[s*r+o]=i[o*e+s];return{data:h,height:e,width:r}}var a=e(2),n=a.zeros;t.exports={transpose:r}},function(i,e){i.exports=t},function(t,i){t.exports=require("fs")},function(t,i){t.exports=require("https")},function(t,i,e){"use strict";function r(t){if(Object.keys(t).forEach(function(t){if(!(t in 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t=0===this.colors?1<<this.bitPP:this.colors;this.palette=new Array(t);for(var i=0;i<t;i++){var e=this.buffer.readUInt8(this.pos++),r=this.buffer.readUInt8(this.pos++),a=this.buffer.readUInt8(this.pos++),n=this.buffer.readUInt8(this.pos++);this.palette[i]={red:a,green:r,blue:e,quad:n}}}},e.prototype.parseBGR=function(){this.pos=this.offset;try{var t="bit"+this.bitPP,i=this.width*this.height*4;this.data=new Buffer(i),this[t]()}catch(t){console.log("bit decode error:"+t)}},e.prototype.bit1=function(){for(var t=Math.ceil(this.width/8),i=t%4,e=this.height-1;e>=0;e--){for(var r=0;r<t;r++)for(var a=this.buffer.readUInt8(this.pos++),n=e*this.width*4+8*r*4,h=0;h<8&&8*r+h<this.width;h++){var o=this.palette[a>>7-h&1];this.data[n+4*h]=o.blue,this.data[n+4*h+1]=o.green,this.data[n+4*h+2]=o.red,this.data[n+4*h+3]=255}0!=i&&(this.pos+=4-i)}},e.prototype.bit4=function(){for(var t=Math.ceil(this.width/2),i=t%4,e=this.height-1;e>=0;e--){for(var r=0;r<t;r++){var a=this.buffer.readUInt8(this.pos++),n=e*this.width*4+2*r*4,h=a>>4,o=15&a,s=this.palette[h];if(this.data[n]=s.blue,this.data[n+1]=s.green,this.data[n+2]=s.red,this.data[n+3]=255,2*r+1>=this.width)break;s=this.palette[o],this.data[n+4]=s.blue,this.data[n+4+1]=s.green,this.data[n+4+2]=s.red,this.data[n+4+3]=255}0!=i&&(this.pos+=4-i)}},e.prototype.bit8=function(){for(var t=this.width%4,i=this.height-1;i>=0;i--){for(var e=0;e<this.width;e++){var r=this.buffer.readUInt8(this.pos++),a=i*this.width*4+4*e;if(r<this.palette.length){var n=this.palette[r];this.data[a]=n.blue,this.data[a+1]=n.green,this.data[a+2]=n.red,this.data[a+3]=255}else this.data[a]=255,this.data[a+1]=255,this.data[a+2]=255,this.data[a+3]=255}0!=t&&(this.pos+=4-t)}},e.prototype.bit15=function(){for(var t=this.width%3,i=parseInt("11111",2),e=i,r=this.height-1;r>=0;r--){for(var a=0;a<this.width;a++){var n=this.buffer.readUInt16LE(this.pos);this.pos+=2;var h=(n&e)/e*255|0,o=(n>>5&e)/e*255|0,s=(n>>10&e)/e*255|0,d=n>>15?255:0,f=r*this.width*4+4*a;this.data[f]=s,this.data[f+1]=o,this.data[f+2]=h,this.data[f+3]=d}this.pos+=t}},e.prototype.bit16=function(){for(var t=this.width%3,i=parseInt("11111",2),e=i,r=parseInt("111111",2),a=r,n=this.height-1;n>=0;n--){for(var h=0;h<this.width;h++){var o=this.buffer.readUInt16LE(this.pos);this.pos+=2;var s=255,d=(o&e)/e*255|0,f=(o>>5&a)/a*255|0,u=(o>>11)/e*255|0,p=n*this.width*4+4*h;this.data[p]=u,this.data[p+1]=f,this.data[p+2]=d,this.data[p+3]=s}this.pos+=t}},e.prototype.bit24=function(){for(var t=this.height-1;t>=0;t--){for(var i=0;i<this.width;i++){var e=this.buffer.readUInt8(this.pos++),r=this.buffer.readUInt8(this.pos++),a=this.buffer.readUInt8(this.pos++),n=t*this.width*4+4*i;this.data[n]=a,this.data[n+1]=r,this.data[n+2]=e,this.data[n+3]=255}this.pos+=this.width%4}},e.prototype.bit32=function(){for(var t=this.height-1;t>=0;t--){for(var i=0;i<this.width;i++){var e=this.buffer.readUInt8(this.pos++),r=this.buffer.readUInt8(this.pos++),a=this.buffer.readUInt8(this.pos++),n=this.buffer.readUInt8(this.pos++),h=t*this.width*4+4*i;this.data[h]=a,this.data[h+1]=r,this.data[h+2]=e,this.data[h+3]=n}this.pos+=this.width%4}},e.prototype.getData=function(){return this.data},t.exports=function(t){var i=new e(t);return{data:i.getData(),width:i.width,height:i.height}}},function(t,i){"use strict";function e(t){this.buffer=t.data,this.width=t.width,this.height=t.height,this.extraBytes=this.width%4,this.rgbSize=this.height*(3*this.width+this.extraBytes),this.headerInfoSize=40,this.data=[],this.flag="BM",this.reserved=0,this.offset=54,this.fileSize=this.rgbSize+this.offset,this.planes=1,this.bitPP=24,this.compress=0,this.hr=0,this.vr=0,this.colors=0,this.importantColors=0}e.prototype.encode=function(){var t=new Buffer(this.offset+this.rgbSize);this.pos=0,t.write(this.flag,this.pos,2),this.pos+=2,t.writeUInt32LE(this.fileSize,this.pos),this.pos+=4,t.writeUInt32LE(this.reserved,this.pos),this.pos+=4,t.writeUInt32LE(this.offset,this.pos),this.pos+=4,t.writeUInt32LE(this.headerInfoSize,this.pos),this.pos+=4,t.writeUInt32LE(this.width,this.pos),this.pos+=4,t.writeUInt32LE(this.height,this.pos),this.pos+=4,t.writeUInt16LE(this.planes,this.pos),this.pos+=2,t.writeUInt16LE(this.bitPP,this.pos),this.pos+=2,t.writeUInt32LE(this.compress,this.pos),this.pos+=4,t.writeUInt32LE(this.rgbSize,this.pos),this.pos+=4,t.writeUInt32LE(this.hr,this.pos),this.pos+=4,t.writeUInt32LE(this.vr,this.pos),this.pos+=4,t.writeUInt32LE(this.colors,this.pos),this.pos+=4,t.writeUInt32LE(this.importantColors,this.pos),this.pos+=4;for(var i=0,e=3*this.width+this.extraBytes,r=this.height-1;r>=0;r--){for(var a=0;a<this.width;a++){var n=this.pos+r*e+3*a;t[n+2]=this.buffer[i++],t[n+1]=this.buffer[i++],t[n]=this.buffer[i++],i++}if(this.extraBytes>0){var h=this.pos+r*e+3*this.width;t.fill(0,h,h+this.extraBytes)}}return t},t.exports=function(t,i){"undefined"==typeof i&&(i=100);var r=new e(t),a=r.encode();return{data:a,width:t.width,height:t.height}}},function(t,i){"use strict";t.exports=function(t){return t&&t.length>1?255===t[0]&&216===t[1]&&255===t[2]?{ext:"jpg",mime:"image/jpeg"}:137===t[0]&&80===t[1]&&78===t[2]&&71===t[3]?{ext:"png",mime:"image/png"}:71===t[0]&&73===t[1]&&70===t[2]?{ext:"gif",mime:"image/gif"}:87===t[8]&&69===t[9]&&66===t[10]&&80===t[11]?{ext:"webp",mime:"image/webp"}:70===t[0]&&76===t[1]&&73===t[2]&&70===t[3]?{ext:"flif",mime:"image/flif"}:(73===t[0]&&73===t[1]&&42===t[2]&&0===t[3]||77===t[0]&&77===t[1]&&0===t[2]&&42===t[3])&&67===t[8]&&82===t[9]?{ext:"cr2",mime:"image/x-canon-cr2"}:73===t[0]&&73===t[1]&&42===t[2]&&0===t[3]||77===t[0]&&77===t[1]&&0===t[2]&&42===t[3]?{ext:"tif",mime:"image/tiff"}:66===t[0]&&77===t[1]?{ext:"bmp",mime:"image/bmp"}:73===t[0]&&73===t[1]&&188===t[2]?{ext:"jxr",mime:"image/vnd.ms-photo"}:56===t[0]&&66===t[1]&&80===t[2]&&83===t[3]?{ext:"psd",mime:"image/vnd.adobe.photoshop"}:80===t[0]&&75===t[1]&&3===t[2]&&4===t[3]&&109===t[30]&&105===t[31]&&109===t[32]&&101===t[33]&&116===t[34]&&121===t[35]&&112===t[36]&&101===t[37]&&97===t[38]&&112===t[39]&&112===t[40]&&108===t[41]&&105===t[42]&&99===t[43]&&97===t[44]&&116===t[45]&&105===t[46]&&111===t[47]&&110===t[48]&&47===t[49]&&101===t[50]&&112===t[51]&&117===t[52]&&98===t[53]&&43===t[54]&&122===t[55]&&105===t[56]&&112===t[57]?{ext:"epub",mime:"application/epub+zip"}:80===t[0]&&75===t[1]&&3===t[2]&&4===t[3]&&77===t[30]&&69===t[31]&&84===t[32]&&65===t[33]&&45===t[34]&&73===t[35]&&78===t[36]&&70===t[37]&&47===t[38]&&109===t[39]&&111===t[40]&&122===t[41]&&105===t[42]&&108===t[43]&&108===t[44]&&97===t[45]&&46===t[46]&&114===t[47]&&115===t[48]&&97===t[49]?{ext:"xpi",mime:"application/x-xpinstall"}:80!==t[0]||75!==t[1]||3!==t[2]&&5!==t[2]&&7!==t[2]||4!==t[3]&&6!==t[3]&&8!==t[3]?117===t[257]&&115===t[258]&&116===t[259]&&97===t[260]&&114===t[261]?{ext:"tar",mime:"application/x-tar"}:82!==t[0]||97!==t[1]||114!==t[2]||33!==t[3]||26!==t[4]||7!==t[5]||0!==t[6]&&1!==t[6]?31===t[0]&&139===t[1]&&8===t[2]?{ext:"gz",mime:"application/gzip"}:66===t[0]&&90===t[1]&&104===t[2]?{ext:"bz2",mime:"application/x-bzip2"}:55===t[0]&&122===t[1]&&188===t[2]&&175===t[3]&&39===t[4]&&28===t[5]?{ext:"7z",mime:"application/x-7z-compressed"}:120===t[0]&&1===t[1]?{ext:"dmg",mime:"application/x-apple-diskimage"}:0===t[0]&&0===t[1]&&0===t[2]&&(24===t[3]||32===t[3])&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]||51===t[0]&&103===t[1]&&112===t[2]&&53===t[3]||0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&109===t[8]&&112===t[9]&&52===t[10]&&50===t[11]&&109===t[16]&&112===t[17]&&52===t[18]&&49===t[19]&&109===t[20]&&112===t[21]&&52===t[22]&&50===t[23]&&105===t[24]&&115===t[25]&&111===t[26]&&109===t[27]||0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&105===t[8]&&115===t[9]&&111===t[10]&&109===t[11]||0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&109===t[8]&&112===t[9]&&52===t[10]&&50===t[11]&&0===t[12]&&0===t[13]&&0===t[14]&&0===t[15]?{ext:"mp4",mime:"video/mp4"}:0===t[0]&&0===t[1]&&0===t[2]&&28===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&77===t[8]&&52===t[9]&&86===t[10]?{ext:"m4v",mime:"video/x-m4v"}:77===t[0]&&84===t[1]&&104===t[2]&&100===t[3]?{ext:"mid",mime:"audio/midi"}:109===t[31]&&97===t[32]&&116===t[33]&&114===t[34]&&111===t[35]&&115===t[36]&&107===t[37]&&97===t[38]?{ext:"mkv",mime:"video/x-matroska"}:26===t[0]&&69===t[1]&&223===t[2]&&163===t[3]?{ext:"webm",mime:"video/webm"}:0===t[0]&&0===t[1]&&0===t[2]&&20===t[3]&&102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]?{ext:"mov",mime:"video/quicktime"}:82===t[0]&&73===t[1]&&70===t[2]&&70===t[3]&&65===t[8]&&86===t[9]&&73===t[10]?{ext:"avi",mime:"video/x-msvideo"}:48===t[0]&&38===t[1]&&178===t[2]&&117===t[3]&&142===t[4]&&102===t[5]&&207===t[6]&&17===t[7]&&166===t[8]&&217===t[9]?{ext:"wmv",mime:"video/x-ms-wmv"}:0===t[0]&&0===t[1]&&1===t[2]&&"b"===t[3].toString(16)[0]?{ext:"mpg",mime:"video/mpeg"}:73===t[0]&&68===t[1]&&51===t[2]||255===t[0]&&251===t[1]?{ext:"mp3",mime:"audio/mpeg"}:102===t[4]&&116===t[5]&&121===t[6]&&112===t[7]&&77===t[8]&&52===t[9]&&65===t[10]||77===t[0]&&52===t[1]&&65===t[2]&&32===t[3]?{ext:"m4a",mime:"audio/m4a"}:79===t[28]&&112===t[29]&&117===t[30]&&115===t[31]&&72===t[32]&&101===t[33]&&97===t[34]&&100===t[35]?{ext:"opus",mime:"audio/opus"}:79===t[0]&&103===t[1]&&103===t[2]&&83===t[3]?{ext:"ogg",mime:"audio/ogg"}:102===t[0]&&76===t[1]&&97===t[2]&&67===t[3]?{ext:"flac",mime:"audio/x-flac"}:82===t[0]&&73===t[1]&&70===t[2]&&70===t[3]&&87===t[8]&&65===t[9]&&86===t[10]&&69===t[11]?{ext:"wav",mime:"audio/x-wav"}:35===t[0]&&33===t[1]&&65===t[2]&&77===t[3]&&82===t[4]&&10===t[5]?{ext:"amr",mime:"audio/amr"}:37===t[0]&&80===t[1]&&68===t[2]&&70===t[3]?{ext:"pdf",mime:"application/pdf"}:77===t[0]&&90===t[1]?{ext:"exe",mime:"application/x-msdownload"}:67!==t[0]&&70!==t[0]||87!==t[1]||83!==t[2]?123===t[0]&&92===t[1]&&114===t[2]&&116===t[3]&&102===t[4]?{ext:"rtf",mime:"application/rtf"}:119===t[0]&&79===t[1]&&70===t[2]&&70===t[3]&&(0===t[4]&&1===t[5]&&0===t[6]&&0===t[7]||79===t[4]&&84===t[5]&&84===t[6]&&79===t[7])?{ext:"woff",mime:"application/font-woff"}:119===t[0]&&79===t[1]&&70===t[2]&&50===t[3]&&(0===t[4]&&1===t[5]&&0===t[6]&&0===t[7]||79===t[4]&&84===t[5]&&84===t[6]&&79===t[7])?{ext:"woff2",mime:"application/font-woff"}:76===t[34]&&80===t[35]&&(0===t[8]&&0===t[9]&&1===t[10]||1===t[8]&&0===t[9]&&2===t[10]||2===t[8]&&0===t[9]&&2===t[10])?{ext:"eot",mime:"application/octet-stream"}:0===t[0]&&1===t[1]&&0===t[2]&&0===t[3]&&0===t[4]?{ext:"ttf",mime:"application/font-sfnt"}:79===t[0]&&84===t[1]&&84===t[2]&&79===t[3]&&0===t[4]?{ext:"otf",mime:"application/font-sfnt"}:0===t[0]&&0===t[1]&&1===t[2]&&0===t[3]?{ext:"ico",mime:"image/x-icon"}:70===t[0]&&76===t[1]&&86===t[2]&&1===t[3]?{ext:"flv",mime:"video/x-flv"}:37===t[0]&&33===t[1]?{ext:"ps",mime:"application/postscript"}:253===t[0]&&55===t[1]&&122===t[2]&&88===t[3]&&90===t[4]&&0===t[5]?{ext:"xz",mime:"application/x-xz"}:83===t[0]&&81===t[1]&&76===t[2]&&105===t[3]?{ext:"sqlite",mime:"application/x-sqlite3"}:78===t[0]&&69===t[1]&&83===t[2]&&26===t[3]?{ext:"nes",mime:"application/x-nintendo-nes-rom"}:67===t[0]&&114===t[1]&&50===t[2]&&52===t[3]?{ext:"crx",mime:"application/x-google-chrome-extension"}:77===t[0]&&83===t[1]&&67===t[2]&&70===t[3]||73===t[0]&&83===t[1]&&99===t[2]&&40===t[3]?{ext:"cab",mime:"application/vnd.ms-cab-compressed"}:33===t[0]&&60===t[1]&&97===t[2]&&114===t[3]&&99===t[4]&&104===t[5]&&62===t[6]&&10===t[7]&&100===t[8]&&101===t[9]&&98===t[10]&&105===t[11]&&97===t[12]&&110===t[13]&&45===t[14]&&98===t[15]&&105===t[16]&&110===t[17]&&97===t[18]&&114===t[19]&&121===t[20]?{ext:"deb",mime:"application/x-deb"}:33===t[0]&&60===t[1]&&97===t[2]&&114===t[3]&&99===t[4]&&104===t[5]&&62===t[6]?{ext:"ar",mime:"application/x-unix-archive"}:237===t[0]&&171===t[1]&&238===t[2]&&219===t[3]?{ext:"rpm",mime:"application/x-rpm"}:31===t[0]&&160===t[1]||31===t[0]&&157===t[1]?{ext:"Z",mime:"application/x-compress"}:76===t[0]&&90===t[1]&&73===t[2]&&80===t[3]?{ext:"lz",mime:"application/x-lzip"}:208===t[0]&&207===t[1]&&17===t[2]&&224===t[3]&&161===t[4]&&177===t[5]&&26===t[6]&&225===t[7]?{ext:"msi",mime:"application/x-msi"}:null:{ext:"swf",mime:"application/x-shockwave-flash"}:{ext:"rar",mime:"application/x-rar-compressed"}:{ext:"zip",mime:"application/zip"}:null}},function(t,i,e){"use strict";var r=e(18);t.exports=function(t){var i=["jpg","png","gif","webp","tif","bmp","jxr","psd"],e=r(t);return i.indexOf(e&&e.ext)!==-1?e:null}},function(t,i,e){"use strict";function r(t){for(var i=2*t+1,e=new Array(Math.pow(i,2)),r=0;r<i;r++)for(var a=0;a<i;a++)e[r*i+a]=Math.pow(r-t,2)+Math.pow(a-t,2);return{data:e,width:i,height:i}}function a(t,i){for(var e=t.data,r=t.width,a=t.height,n=new Array(e.length),h=0;h<e.length;h++)n[h]=Math.exp(-e[h]/(2*Math.pow(i,2)));return{data:n,width:r,height:a}}function n(){var t=(arguments.length>0&&void 0!==arguments[0]?arguments[0]:"gaussian",arguments.length>1&&void 0!==arguments[1]?arguments[1]:3),i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1.5;t=(t-1)/2;var e=r(t),n=a(e,i),h=o(n);return s(n,h)}var h=e(0),o=h.sum2d,s=h.divide2d;t.exports={fspecial:n}},function(t,i,e){"use strict";function r(t,i,e,r){if(t=d(t,u([i/2,e/2]),r),0===o(i,2)&&(t.data=t.data.slice(0,-t.width),t.height--),0===o(e,2)){for(var a=[],n=0;n<t.data.length;n++)(n+1)%t.width!==0&&a.push(t.data[n]);t.data=a,t.width--}return t}function a(t){return"same"===t&&(t="valid"),t}function n(t,i){var e=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"symmetric",n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"same";return t=r(t,i.width,i.height,e),n=a(n),c(i,t,n)}var h=e(5),o=h.mod,s=e(7),d=s.padarray,f=e(0),u=f.floor,p=e(3),c=p.filter2;t.exports={imfilter:n}},function(t,i){"use strict";function e(t){for(var i=t.data,e=t.width,r=t.height,a=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1,h=2.5066282746310007,o=new Array(i.length),s=0;s<i.length;s++){var d=(i[s]-a)/n;o[s]=Math.exp(-Math.pow(d,2)/2)/(n*h)}return{data:o,width:e,height:r}}t.exports={normpdf:e}},function(t,i){"use strict";function e(t){var i=a(t,3),e=i[0],r=i[1],n=i[2];return Math.round(.29894*e+.58704*r+.11402*n)}function r(t){for(var i=t.data,r=t.width,a=t.height,n=new 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Error('"'+t+'" is not a valid option')}),"k1"in t&&("number"!=typeof t.k1||t.k1<0))throw new Error("Invalid k1 value. 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Default is "+I.k2)}function a(t){return r(t),Object.assign({},I,t)}function n(t){var i=d(t,2),e=i[0],r=i[1];if(e.width!==r.width||e.height!==r.height)throw new Error("Image dimensions do not match");return[e,r]}function h(t){var i=d(t,2),e=i[0],r=i[1];return e=c(e),r=c(r),[e,r]}function o(t,i){return"fast"===i.downsample?u(t,i.maxSize):u(t)}function s(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:y("image1"),i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:y("image2"),e=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=(new Date).getTime();e=a(e);var s="fast"===e.ssim?w:x;return Promise.all([o(t,e),o(i,e)]).then(n).then(h).then(function(t){var i=d(t,2),r=i[0],a=i[1];return s(r,a,e)}).then(function(t){return{ssim_map:t,mssim:l(t),performance:(new Date).getTime()-r}})}var d=function(){function t(t,i){var e=[],r=!0,a=!1,n=void 0;try{for(var h,o=t[Symbol.iterator]();!(r=(h=o.next()).done)&&(e.push(h.value),!i||e.length!==i);r=!0);}catch(t){a=!0,n=t}finally{try{!r&&o.return&&o.return()}finally{if(a)throw n}}return e}return function(i,e){if(Array.isArray(i))return i;if(Symbol.iterator in Object(i))return t(i,e);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),f=e(10),u=f.readpixels,p=e(1),c=p.rgb2gray,m=e(0),l=m.mean2d,v=e(11),w=v.ssim,g=e(9),x=g.originalSsim,b=e(12),y=b.force,I=e(14),M=e(13),U=M.version;s.ssim=w,s.version=U,t.exports=s}])});
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package.json

@@ -5,3 +5,3 @@ {
   "main": "dist/ssim.js",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "scripts": {
@@ -12,2 +12,3 @@ "commit": "git-cz",
     "test": "blue-tape spec/unit/{*,**/*}.spec.js | tap-dot",
+    "test:perf": "blue-tape spec/perf/{*,**/*}.spec.js | tap-dot",
     "e2e": "npm-run-all --parallel e2e:*",
@@ -14,0 +15,0 @@ "e2e:live": "blue-tape spec/e2e_dist/live.spec.js | tap-dot",

README.md

@@ -73,3 +73,3 @@ [![CircleCI](https://circleci.com/gh/obartra/ssim/tree/master.svg?style=shield)](https://circleci.com/gh/obartra/ssim/tree/master) [![Test Coverage](https://codeclimate.com/github/obartra/ssim/badges/coverage.svg)](https://codeclimate.com/github/obartra/ssim/coverage) [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://opensource.org/licenses/MIT)
 | Dependencies  | [![Known Vulnerabilities](https://snyk.io/test/github/obartra/ssim/badge.svg)](https://snyk.io/test/github/obartra/ssim) [![DavidDM](https://david-dm.org/obartra/ssim.svg)](https://david-dm.org/obartra/ssim) |
-| Environments  | ![](https://img.shields.io/badge/node-0.12-brightgreen.svg) ![](https://img.shields.io/badge/node-7.0-brightgreen.svg) |
+| Environments  | ![](https://img.shields.io/badge/node-0.12-brightgreen.svg) ![](https://img.shields.io/badge/node-7.1-brightgreen.svg) |
 | Documentation | [![InchCI](https://inch-ci.org/github/obartra/ssim.svg?branch=master)](https://inch-ci.org/github/obartra/ssim)  |

src/matlab/transpose.js

@@ -1,3 +0,1 @@
-const { zeros } = require('./zeros');
-
 /**
@@ -20,3 +18,3 @@ * Transposes a vector or a matrix
 function transpose({ data: ref, width, height }) {
-	const { data } = zeros(width, height);
+	const data = new Array(width * height);
 
@@ -23,0 +21,0 @@ for (let i = 0; i < height; i++) {

version.js

@@ -1,1 +0,1 @@
-module.exports = { type: 'deploy', "version": "2.1.2"};
+module.exports = { type: 'deploy', "version": "2.1.3"};

No alert changes

Worsened metrics

Total package byte prevSize

348096

decreased by-0.07%

Lines of code

2073

decreased by-0.05%

No dependency changes