diff --git a/dist/image-sequencer.js b/dist/image-sequencer.js
index 8fceb584..41489bb9 100755
--- a/dist/image-sequencer.js
+++ b/dist/image-sequencer.js
@@ -46816,6 +46816,8 @@ module.exports = function Average(options, UI){
             // report back and store average in metadata:
             options.step.metadata.averages = sum;
             console.log("average: ", sum);
+            // TODO: refactor into a new "display()" method as per https://github.com/publiclab/image-sequencer/issues/242
+            if (options.step.inBrowser && options.step.ui) $(options.step.ui).find('.details').append("<p><b>Averages</b> (r, g, b, a): " + sum.join(', ') + "</p>");
             return pixels;
         }
 
diff --git a/dist/image-sequencer.min.js b/dist/image-sequencer.min.js
index 621e4285..bb321ca8 100644
--- a/dist/image-sequencer.min.js
+++ b/dist/image-sequencer.min.js
@@ -1 +1 @@
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if("scalar"===a)t.scalarArgs.push(i),t.shimArgs.push("scalar"+i);else if("index"===a){if(t.indexArgs.push(i),i<t.pre.args.length&&t.pre.args[i].count>0)throw new Error("cwise: pre() block may not reference array index");if(i<t.body.args.length&&t.body.args[i].lvalue)throw new Error("cwise: body() block may not write to array index");if(i<t.post.args.length&&t.post.args[i].count>0)throw new Error("cwise: post() block may not reference array index")}else if("shape"===a){if(t.shapeArgs.push(i),i<t.pre.args.length&&t.pre.args[i].lvalue)throw new Error("cwise: pre() block may not write to array shape");if(i<t.body.args.length&&t.body.args[i].lvalue)throw new Error("cwise: body() block may not write to array shape");if(i<t.post.args.length&&t.post.args[i].lvalue)throw new Error("cwise: post() block may not write to array shape")}else{if("object"!=typeof a||!a.offset)throw new Error("cwise: Unknown argument type 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l=[],f=[],c=[],h=[],p=[];for(u=0;u<e.arrayArgs.length;++u){e.arrayBlockIndices[u]<0?(c.push(0),h.push(n),l.push(n),f.push(n+e.arrayBlockIndices[u])):(c.push(e.arrayBlockIndices[u]),h.push(e.arrayBlockIndices[u]+n),l.push(0),f.push(e.arrayBlockIndices[u]));for(var d=[],g=0;g<o[u].length;g++)c[u]<=o[u][g]&&o[u][g]<h[u]&&d.push(o[u][g]-c[u]);p.push(d)}var v=["SS"],m=["'use strict'"],_=[];for(g=0;g<n;++g)_.push(["s",g,"=SS[",g,"]"].join(""));for(u=0;u<e.arrayArgs.length;++u){for(v.push("a"+u),v.push("t"+u),v.push("p"+u),g=0;g<n;++g)_.push(["t",u,"p",g,"=t",u,"[",c[u]+g,"]"].join(""));for(g=0;g<Math.abs(e.arrayBlockIndices[u]);++g)_.push(["t",u,"b",g,"=t",u,"[",l[u]+g,"]"].join(""))}for(u=0;u<e.scalarArgs.length;++u)v.push("Y"+u);if(e.shapeArgs.length>0&&_.push("shape=SS.slice(0)"),e.indexArgs.length>0){var w=new Array(n);for(u=0;u<n;++u)w[u]="0";_.push(["index=[",w.join(","),"]"].join(""))}for(u=0;u<e.offsetArgs.length;++u){var b=e.offsetArgs[u],y=[];for(g=0;g<b.offset.length;++g)0!==b.offset[g]&&(1===b.offset[g]?y.push(["t",b.array,"p",g].join("")):y.push([b.offset[g],"*t",b.array,"p",g].join("")));0===y.length?_.push("q"+u+"=0"):_.push(["q",u,"=",y.join("+")].join(""))}var x=r([].concat(e.pre.thisVars).concat(e.body.thisVars).concat(e.post.thisVars));for(_=_.concat(x),m.push("var "+_.join(",")),u=0;u<e.arrayArgs.length;++u)m.push("p"+u+"|=0");e.pre.body.length>3&&m.push(a(e.pre,e,s));var k=a(e.body,e,s),E=function(e){for(var t=0,n=e[0].length;t<n;){for(var r=1;r<e.length;++r)if(e[r][t]!==e[0][t])return t;++t}return t}(p);E<n?m.push(function(e,t,n,r){for(var a=t.length,o=n.arrayArgs.length,s=n.blockSize,u=n.indexArgs.length>0,l=[],f=0;f<o;++f)l.push(["var offset",f,"=p",f].join(""));for(f=e;f<a;++f)l.push(["for(var 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c=e.arrayArgs[f];n.push(["t",c,"=array",c,".dtype,","r",c,"=array",c,".order"].join("")),a.push("t"+c),a.push("r"+c),o.push("t"+c),o.push("r"+c+".join()"),s.push("array"+c+".data"),s.push("array"+c+".stride"),s.push("array"+c+".offset|0"),f>0&&(u.push("array"+e.arrayArgs[0]+".shape.length===array"+c+".shape.length+"+(Math.abs(e.arrayBlockIndices[0])-Math.abs(e.arrayBlockIndices[f]))),l.push("array"+e.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,e.arrayBlockIndices[0])+"]===array"+c+".shape[shapeIndex+"+Math.max(0,e.arrayBlockIndices[f])+"]"))}for(e.arrayArgs.length>1&&(t.push("if (!("+u.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')"),t.push("for(var shapeIndex=array"+e.arrayArgs[0]+".shape.length-"+Math.abs(e.arrayBlockIndices[0])+"; shapeIndex--\x3e0;) {"),t.push("if (!("+l.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')"),t.push("}")),f=0;f<e.scalarArgs.length;++f)s.push("scalar"+e.scalarArgs[f]);return n.push(["type=[",o.join(","),"].join()"].join("")),n.push("proc=CACHED[type]"),t.push("var "+n.join(",")),t.push(["if(!proc){","CACHED[type]=proc=compile([",a.join(","),"])}","return proc(",s.join(","),")}"].join("")),e.debug&&console.log("-----Generated thunk:\n"+t.join("\n")+"\n----------"),new Function("compile",t.join("\n"))(r.bind(void 0,e))}},{"./compile.js":24}],26:[function(e,t,n){t.exports=e("cwise-compiler")},{"cwise-compiler":23}],27:[function(e,t,n){(function(e){"use strict";t.exports=function(t){if(!/^data\:/i.test(t))throw new TypeError('`uri` does not appear to be a Data URI (must begin with "data:")');var n=(t=t.replace(/\r?\n/g,"")).indexOf(",");if(-1===n||n<=4)throw new TypeError("malformed data: URI");for(var r=t.substring(5,n).split(";"),i=r[0]||"text/plain",a=i,o=!1,s="",u=1;u<r.length;u++)"base64"==r[u]?o=!0:(a+=";"+r[u],0==r[u].indexOf("charset=")&&(s=r[u].substring(8)));r[0]||s.length||(a+=";charset=US-ASCII",s="US-ASCII");var l=unescape(t.substring(n+1)),f=new 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k(e,t){o.viewport(0,0,e,t),o.canvas.width=e,o.canvas.height=t}function E(e,n){d=function(e,n,r){var i=e.createTexture(),a=new Image;return a.addEventListener("load",function(){!function(e,t,n,r){r=r||e.createTexture(),e.bindTexture(e.TEXTURE_2D,r),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),n&&n(null,r)}(e,a,r,i),t.width=a.width,t.height=a.height,k(t.width,t.height)}),a.src=n,i}(o,e,function(){x(t.animate,n)})}return c=o.createBuffer(),o.bindBuffer(o.ARRAY_BUFFER,c),o.bufferData(o.ARRAY_BUFFER,new Float32Array(n.vertex),o.STATIC_DRAW),o.bindBuffer(o.ARRAY_BUFFER,null),h=o.createBuffer(),o.bindBuffer(o.ELEMENT_ARRAY_BUFFER,h),o.bufferData(o.ELEMENT_ARRAY_BUFFER,new Uint16Array(n.indices),o.STATIC_DRAW),o.bindBuffer(o.ELEMENT_ARRAY_BUFFER,null),p=o.createBuffer(),o.bindBuffer(o.ARRAY_BUFFER,p),o.bufferData(o.ARRAY_BUFFER,new Float32Array(n.textureCoords),o.STATIC_DRAW),o.bindBuffer(o.ARRAY_BUFFER,null),t.runner=t.runner||function(e){o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),o.enableVertexAttribArray(g),o.bindBuffer(o.ARRAY_BUFFER,c),o.vertexAttribPointer(g,3,o.FLOAT,!1,0,0),o.enableVertexAttribArray(v),o.bindBuffer(o.ARRAY_BUFFER,p),o.vertexAttribPointer(v,2,o.FLOAT,!1,0,0),o.activeTexture(o.TEXTURE0),o.bindTexture(o.TEXTURE_2D,d),o.uniform1i(m,0),o.uniform3fv(_,[r.a,r.b,r.scale]),o.uniform2fv(w,[r.Fx,r.Fy]),o.uniform2fv(b,[i.x,i.y]),o.bindBuffer(o.ELEMENT_ARRAY_BUFFER,h),o.drawElements(o.TRIANGLES,n.indices.length,o.UNSIGNED_SHORT,0)},E(a),{options:t,gl:o,lens:r,fov:i,run:x,getImage:function(e){var t=new Image;return t.src=o.canvas.toDataURL(e||"image/jpeg"),t},setImage:E}};"undefined"!=typeof document?window.FisheyeGl=r:t.exports=r},{"./shaders":31}],31:[function(e,t,n){t.exports={fragment:e("./shaders/fragment.glfs"),fragment2:e("./shaders/fragment2.glfs"),fragment3:e("./shaders/fragment3.glfs"),method1:e("./shaders/method1.glfs"),method2:e("./shaders/method2.glfs"),vertex:e("./shaders/vertex.glvs")}},{"./shaders/fragment.glfs":32,"./shaders/fragment2.glfs":33,"./shaders/fragment3.glfs":34,"./shaders/method1.glfs":35,"./shaders/method2.glfs":36,"./shaders/vertex.glvs":37}],32:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord  * vec2(1.0, -1.0)/ 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat scale = uLens.w;\n\tfloat F = uLens.z;\n\t\n\tfloat L = length(vec3(vPosition.xy/scale, F));\n\tvec2 vMapping = vPosition.xy * F / L;\n\tvMapping = vMapping * uLens.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping/scale);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],33:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat correctionRadius = 0.5;\n\tfloat distance = sqrt(vPosition.x * vPosition.x + vPosition.y * vPosition.y) / correctionRadius;\n\tfloat theta = 1.0;\n\tif(distance != 0.0){\n\t\ttheta = atan(distance);\n\t}\n\tvec2 vMapping = theta * vPosition.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\t\t\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],34:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec3 uLensS;\nuniform vec2 uLensF;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord  * vec2(1.0, -1.0)/ 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat scale = uLensS.z;\n\tvec3 vPos = vPosition;\n\tfloat Fx = uLensF.x;\n\tfloat Fy = uLensF.y;\n\tvec2 vMapping = vPos.xy;\n\tvMapping.x = vMapping.x + ((pow(vPos.y, 2.0)/scale)*vPos.x/scale)*-Fx;\n\tvMapping.y = vMapping.y + ((pow(vPos.x, 2.0)/scale)*vPos.y/scale)*-Fy;\n\tvMapping = vMapping * uLensS.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping/scale);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t}\n\tgl_FragColor = texture;\n}\n"},{}],35:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TODO insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],36:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TOD insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],37:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nattribute vec3 aVertexPosition;\nattribute vec2 aTextureCoord;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvoid main(void){\n\tvPosition = aVertexPosition;\n\tvTextureCoord = aTextureCoord;\n\tgl_Position = vec4(vPosition,1.0);\n}\n"},{}],38:[function(e,t,n){(function(n,r){"use strict";var i=e("path"),a=e("ndarray"),o=e("omggif").GifReader,s=(e("ndarray-pack"),e("through"),e("data-uri-to-buffer"));function u(e,t){var n;try{n=new o(e)}catch(e){return void t(e)}if(n.numFrames()>0){var r=[n.numFrames(),n.height,n.width,4],i=new Uint8Array(r[0]*r[1]*r[2]*r[3]),s=a(i,r);try{for(var u=0;u<n.numFrames();++u)n.decodeAndBlitFrameRGBA(u,i.subarray(s.index(u,0,0,0),s.index(u+1,0,0,0)))}catch(e){return void t(e)}t(null,s.transpose(0,2,1))}else{r=[n.height,n.width,4],i=new Uint8Array(r[0]*r[1]*r[2]),s=a(i,r);try{n.decodeAndBlitFrameRGBA(0,i)}catch(e){return void t(e)}t(null,s.transpose(1,0))}}function l(e,t){r.nextTick(function(){try{var n=s(e);n?u(function(e){if(void 0===e[0]){for(var t=e.length,n=new Uint8Array(t),r=0;r<t;++r)n[r]=e.get(r);return n}return new Uint8Array(e)}(n),t):t(new Error("Error parsing data URI"))}catch(e){t(e)}})}t.exports=function(e,t,r){r||(r=t,t="");var o=i.extname(e);switch(t||o.toUpperCase()){case".GIF":!function(e,t){var n=new XMLHttpRequest;n.open("GET",e,!0),n.responseType="arraybuffer",n.overrideMimeType&&n.overrideMimeType("application/binary"),n.onerror=function(e){t(e)},n.onload=function(){4===n.readyState&&u(new Uint8Array(n.response),t)},n.send()}(e,r);break;default:n.isBuffer(e)&&(e="data:"+t+";base64,"+e.toString("base64")),0===e.indexOf("data:image/gif;")?l(e,r):function(e,t){var n=new Image;n.crossOrigin="Anonymous",n.onload=function(){var e=document.createElement("canvas");e.width=n.width,e.height=n.height;var r=e.getContext("2d");r.drawImage(n,0,0);var i=r.getImageData(0,0,n.width,n.height);t(null,a(new Uint8Array(i.data),[n.width,n.height,4],[4,4*n.width,1],0))},n.onerror=function(e){t(e)},n.src=e}(e,r)}}}).call(this,{isBuffer:e("../is-buffer/index.js")},e("_process"))},{"../is-buffer/index.js":54,_process:104,"data-uri-to-buffer":39,ndarray:66,"ndarray-pack":64,omggif:68,path:81,through:123}],39:[function(e,t,n){(function(e){t.exports=function(t){if(!/^data\:/i.test(t))throw new TypeError('`uri` does not appear to be a Data URI (must begin with "data:")');var n=(t=t.replace(/\r?\n/g,"")).indexOf(",");if(-1===n||n<=4)throw new TypeError("malformed data: URI");for(var r=t.substring(5,n).split(";"),i=!1,a="US-ASCII",o=0;o<r.length;o++)"base64"==r[o]?i=!0:0==r[o].indexOf("charset=")&&(a=r[o].substring(8));var s=unescape(t.substring(n+1)),u=new e(s,i?"base64":"ascii");return u.type=r[0]||"text/plain",u.charset=a,u}}).call(this,e("buffer").Buffer)},{buffer:8}],40:[function(e,t,n){(function(n){e("assert"),e("events").EventEmitter;var r=e("readable-stream"),i=e("util"),a=e("./TypedNeuQuant.js"),o=e("./LZWEncoder.js");function s(e){r.call(this,e),this.okayToPush=!0,this.resetData()}function u(e,t,n){var r=(n=n||{}).highWaterMark;s.call(this,{highWaterMark:r||0===r?r:65536}),this.width=~~e,this.height=~~t,this.transparent=null,this.transIndex=0,this.repeat=-1,this.delay=0,this.pixels=null,this.indexedPixels=null,this.colorDepth=null,this.colorTab=null,this.usedEntry=[],this.palSize=7,this.dispose=-1,this.firstFrame=!0,this.sample=10;var i=this;function a(){i.flushData()}this.on("writeHeader#stop",a),this.on("frame#stop",a),this.on("finish#stop",function(){a(),i.push(null)})}i.inherits(s,r),s.prototype._read=function(){this.okayToPush=!0},s.prototype.resetData=function(){this.data=[]},s.prototype.flushData=function(){if(!this.okayToPush){var e=new Error("GIF 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Please `read` from GIF before writing additional frames/information.");return this.emit("error",e)}var t=new n(this.data);this.resetData(),this.okayToPush=this.push(t)},s.prototype.writeByte=function(e){this.data.push(e)},s.prototype.writeUTFBytes=function(e){for(var t=e.length,n=0;n<t;n++)this.writeByte(e.charCodeAt(n))},s.prototype.writeBytes=function(e,t,n){for(var r=n||e.length,i=t||0;i<r;i++)this.writeByte(e[i])},i.inherits(u,s),u.prototype.setDelay=function(e){this.delay=Math.round(e/10)},u.prototype.setFrameRate=function(e){this.delay=Math.round(100/e)},u.prototype.setDispose=function(e){e>=0&&(this.dispose=e)},u.prototype.setRepeat=function(e){this.repeat=e},u.prototype.setTransparent=function(e){this.transparent=e},u.prototype.analyzeImage=function(e){this.setImagePixels(this.removeAlphaChannel(e)),this.analyzePixels()},u.prototype.writeImageInfo=function(){this.firstFrame&&(this.writeLSD(),this.writePalette(),this.repeat>=0&&this.writeNetscapeExt()),this.writeGraphicCtrlExt(),this.writeImageDesc(),this.firstFrame||this.writePalette(),this.firstFrame=!1},u.prototype.outputImage=function(){this.writePixels()},u.prototype.addFrame=function(e){this.emit("frame#start"),this.analyzeImage(e),this.writeImageInfo(),this.outputImage(),this.emit("frame#stop")},u.prototype.finish=function(){this.emit("finish#start"),this.writeByte(59),this.emit("finish#stop")},u.prototype.setQuality=function(e){e<1&&(e=1),this.sample=e},u.prototype.writeHeader=function(){this.emit("writeHeader#start"),this.writeUTFBytes("GIF89a"),this.emit("writeHeader#stop")},u.prototype.analyzePixels=function(){var e=this.pixels.length/3;this.indexedPixels=new Uint8Array(e);var t=new a(this.pixels,this.sample);t.buildColormap(),this.colorTab=t.getColormap();for(var n=0,r=0;r<e;r++){var i=t.lookupRGB(255&this.pixels[n++],255&this.pixels[n++],255&this.pixels[n++]);this.usedEntry[i]=!0,this.indexedPixels[r]=i}this.pixels=null,this.colorDepth=8,this.palSize=7,null!==this.transparent&&(this.transIndex=this.findClosest(this.transparent))},u.prototype.findClosest=function(e){if(null===this.colorTab)return-1;for(var t=(16711680&e)>>16,n=(65280&e)>>8,r=255&e,i=0,a=16777216,o=this.colorTab.length,s=0;s<o;){var u=t-(255&this.colorTab[s++]),l=n-(255&this.colorTab[s++]),f=r-(255&this.colorTab[s]),c=u*u+l*l+f*f,h=s/3;this.usedEntry[h]&&c<a&&(a=c,i=h),s++}return i},u.prototype.removeAlphaChannel=function(e){for(var t=this.width,n=this.height,r=new Uint8Array(t*n*3),i=0,a=0;a<n;a++)for(var o=0;o<t;o++){var s=a*t*4+4*o;r[i++]=e[s],r[i++]=e[s+1],r[i++]=e[s+2]}return r},u.prototype.setImagePixels=function(e){this.pixels=e},u.prototype.writeGraphicCtrlExt=function(){var e,t;this.writeByte(33),this.writeByte(249),this.writeByte(4),null===this.transparent?(e=0,t=0):(e=1,t=2),this.dispose>=0&&(t=7&dispose),t<<=2,this.writeByte(0|t|e),this.writeShort(this.delay),this.writeByte(this.transIndex),this.writeByte(0)},u.prototype.writeImageDesc=function(){this.writeByte(44),this.writeShort(0),this.writeShort(0),this.writeShort(this.width),this.writeShort(this.height),this.firstFrame?this.writeByte(0):this.writeByte(128|this.palSize)},u.prototype.writeLSD=function(){this.writeShort(this.width),this.writeShort(this.height),this.writeByte(240|this.palSize),this.writeByte(0),this.writeByte(0)},u.prototype.writeNetscapeExt=function(){this.writeByte(33),this.writeByte(255),this.writeByte(11),this.writeUTFBytes("NETSCAPE2.0"),this.writeByte(3),this.writeByte(1),this.writeShort(this.repeat),this.writeByte(0)},u.prototype.writePalette=function(){this.writeBytes(this.colorTab);for(var 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o(e);r.call(this,e),this._transformState=new a(e,this);var t=this;this._readableState.needReadable=!0,this._readableState.sync=!1,this.once("prefinish",function(){i.isFunction(this._flush)?this._flush(function(e){s(t,e)}):s(t)})}function s(e,t){if(t)return e.emit("error",t);var n=e._writableState,r=e._transformState;if(n.length)throw new Error("calling transform done when ws.length != 0");if(r.transforming)throw new Error("calling transform done when still transforming");return e.push(null)}i.inherits=e("inherits"),i.inherits(o,r),o.prototype.push=function(e,t){return this._transformState.needTransform=!1,r.prototype.push.call(this,e,t)},o.prototype._transform=function(e,t,n){throw new Error("not implemented")},o.prototype._write=function(e,t,n){var r=this._transformState;if(r.writecb=n,r.writechunk=e,r.writeencoding=t,!r.transforming){var i=this._readableState;(r.needTransform||i.needReadable||i.length<i.highWaterMark)&&this._read(i.highWaterMark)}},o.prototype._read=function(e){var 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o(30,new a(19,15),new a(26,16))),new s(30,[6,26,52,78,104,130],new o(30,new a(5,115),new a(10,116)),new o(28,new a(19,47),new a(10,48)),new o(30,new a(15,24),new a(25,25)),new o(30,new a(23,15),new a(25,16))),new s(31,[6,30,56,82,108,134],new o(30,new a(13,115),new a(3,116)),new o(28,new a(2,46),new a(29,47)),new o(30,new a(42,24),new a(1,25)),new o(30,new a(23,15),new a(28,16))),new s(32,[6,34,60,86,112,138],new o(30,new a(17,115)),new o(28,new a(10,46),new a(23,47)),new o(30,new a(10,24),new a(35,25)),new o(30,new a(19,15),new a(35,16))),new s(33,[6,30,58,86,114,142],new o(30,new a(17,115),new a(1,116)),new o(28,new a(14,46),new a(21,47)),new o(30,new a(29,24),new a(19,25)),new o(30,new a(11,15),new a(46,16))),new s(34,[6,34,62,90,118,146],new o(30,new a(13,115),new a(6,116)),new o(28,new a(14,46),new a(23,47)),new o(30,new a(44,24),new a(7,25)),new o(30,new a(59,16),new a(1,17))),new s(35,[6,30,54,78,102,126,150],new o(30,new a(12,121),new a(7,122)),new o(28,new a(12,47),new a(26,48)),new o(30,new a(39,24),new a(14,25)),new o(30,new a(22,15),new a(41,16))),new s(36,[6,24,50,76,102,128,154],new o(30,new a(6,121),new a(14,122)),new o(28,new a(6,47),new a(34,48)),new o(30,new a(46,24),new a(10,25)),new o(30,new a(2,15),new a(64,16))),new s(37,[6,28,54,80,106,132,158],new o(30,new a(17,122),new a(4,123)),new o(28,new a(29,46),new a(14,47)),new o(30,new a(49,24),new a(10,25)),new o(30,new a(24,15),new a(46,16))),new s(38,[6,32,58,84,110,136,162],new o(30,new a(4,122),new a(18,123)),new o(28,new a(13,46),new a(32,47)),new o(30,new a(48,24),new a(14,25)),new o(30,new a(42,15),new a(32,16))),new s(39,[6,26,54,82,110,138,166],new o(30,new a(20,117),new a(4,118)),new o(28,new a(40,47),new a(7,48)),new o(30,new a(43,24),new a(22,25)),new o(30,new a(10,15),new a(67,16))),new s(40,[6,30,58,86,114,142,170],new o(30,new a(19,118),new a(6,119)),new o(28,new a(18,47),new a(31,48)),new o(30,new a(34,24),new a(34,25)),new o(30,new a(20,15),new a(61,16)))];function l(e){if(e<1||e>40)throw new Error("Invalid version number "+e);return u[e-1]}t.getVersionForNumber=l},function(e,t,n){"use strict";var r=n(2),i=n(10),a=n(6),o=n(12),s=n(8),u=21522,l=[[21522,0],[20773,1],[24188,2],[23371,3],[17913,4],[16590,5],[20375,6],[19104,7],[30660,8],[29427,9],[32170,10],[30877,11],[26159,12],[25368,13],[27713,14],[26998,15],[5769,16],[5054,17],[7399,18],[6608,19],[1890,20],[597,21],[3340,22],[2107,23],[13663,24],[12392,25],[16177,26],[14854,27],[9396,28],[8579,29],[11994,30],[11245,31]],f=[function(e,t){return 0==(e+t&1)},function(e,t){return 0==(1&e)},function(e,t){return t%3==0},function(e,t){return(e+t)%3==0},function(e,t){return 0==((e>>1)+t/3&1)},function(e,t){return(e*t&1)+e*t%3==0},function(e,t){return 0==((e*t&1)+e*t%3&1)},function(e,t){return 0==((e+t&1)+e*t%3&1)}],c=[{ordinal:1,bits:0,name:"M"},{ordinal:0,bits:1,name:"L"},{ordinal:3,bits:2,name:"H"},{ordinal:2,bits:3,name:"Q"}];function h(e,t,n){for(var i=f[n.dataMask],a=e.height,o=function(e){for(var t=e.getDimensionForVersion(),n=new Array(t*t),i=0;i<n.length;i++)n[i]=!1;var a=new r.BitMatrix(n,t);a.setRegion(0,0,9,9),a.setRegion(t-8,0,8,9),a.setRegion(0,t-8,9,8);for(var o=e.alignmentPatternCenters.length,s=0;s<o;s++){i=e.alignmentPatternCenters[s]-2;for(var u=0;u<o;u++)0==s&&(0==u||u==o-1)||s==o-1&&0==u||a.setRegion(e.alignmentPatternCenters[u]-2,i,5,5)}return a.setRegion(6,9,1,t-17),a.setRegion(9,6,t-17,1),e.versionNumber>6&&(a.setRegion(t-11,0,3,6),a.setRegion(0,t-11,6,3)),a}(t),s=!0,u=[],l=0,c=0,h=0,p=a-1;p>0;p-=2){6==p&&p--;for(var d=0;d<a;d++)for(var g=s?a-1-d:d,v=0;v<2;v++)o.get(p-v,g)||(h++,c<<=1,e.get(p-v,g)!==i(g,p-v)&&(c|=1),8==h&&(u[l++]=255&c,h=0,c=0));s=!s}return l!=t.totalCodewords?null:u}function p(e){return{errorCorrectionLevel:c[e>>3&3],dataMask:7&e}}function d(e,t){for(var n=1/0,r=0,i=0;i<l.length;i++){var o=l[i],s=o[0];if(s==e||s==t)return p(o[1]);var u=a.numBitsDiffering(e,s);u<n&&(r=o[1],n=u),e!=t&&(u=a.numBitsDiffering(t,s))<n&&(r=o[1],n=u)}return n<=3?p(r):null}function g(e){for(var t=0,n=0;n<6;n++)t=e.copyBit(n,8,t);t=e.copyBit(7,8,t),t=e.copyBit(8,8,t),t=e.copyBit(8,7,t);for(var r=5;r>=0;r--)t=e.copyBit(8,r,t);var i=e.height,a=0,o=i-7;for(r=i-1;r>=o;r--)a=e.copyBit(8,r,a);for(n=i-8;n<i;n++)a=e.copyBit(n,8,a);var s,l,f=d(s=t,l=a)||d(s^u,l^u);return null!=f?f:null}function v(e,t){for(var n=new o.ReedSolomonDecoder,r=e.length,i=new Array(r),a=0;a<r;a++)i[a]=255&e[a];var s=e.length-t;if(!n.decode(i,s))return!1;for(a=0;a<t;a++)e[a]=i[a];return!0}function m(e){var t=function(e){var t=e.height,n=t-17>>2;if(n<=6)return s.getVersionForNumber(n);for(var r=0,i=t-11,a=5;a>=0;a--)for(var o=t-9;o>=i;o--)r=e.copyBit(o,a,r);var u=s.Version.decodeVersionInformation(r);if(null!=u&&u.getDimensionForVersion()==t)return u;for(r=0,o=5;o>=0;o--)for(a=t-9;a>=i;a--)r=e.copyBit(o,a,r);return null!=(u=s.Version.decodeVersionInformation(r))&&u.getDimensionForVersion()==t?u:null}(e);if(!t)return null;var n=g(e);if(!n)return null;var r=n.errorCorrectionLevel,a=h(e,t,n);if(!a)return null;var o=function(e,t,n){if(e.length!=t.totalCodewords)throw new Error("Invalid number of codewords for version; got "+e.length+" expected "+t.totalCodewords);var r=t.getECBlocksForLevel(n),i=0,a=r.ecBlocks;a.forEach(function(e){i+=e.count});var o=new Array(i),s=0;a.forEach(function(e){for(var t=0;t<e.count;t++){var n=e.dataCodewords,i=r.ecCodewordsPerBlock+n;o[s++]={numDataCodewords:n,codewords:new Array(i)}}});for(var u=o[0].codewords.length,l=o.length-1;l>=0&&o[l].codewords.length!=u;)l--;l++;for(var f=u-r.ecCodewordsPerBlock,c=0,h=0;h<f;h++)for(var p=0;p<s;p++)o[p].codewords[h]=e[c++];for(p=l;p<s;p++)o[p].codewords[f]=e[c++];var d=o[0].codewords.length;for(h=f;h<d;h++)for(p=0;p<s;p++){var g=p<l?h:h+1;o[p].codewords[g]=e[c++]}return o}(a,t,r),u=0;o.forEach(function(e){u+=e.numDataCodewords});for(var l=new Array(u),f=0,c=0,p=o;c<p.length;c++){var d=p[c],m=d.codewords,_=d.numDataCodewords;if(!v(m,_))return null;for(var w=0;w<_;w++)l[f++]=m[w]}return i.decodeQRdata(l,t.versionNumber,r.name)}t.decode=function(e){if(null==e)return null;var t=m(e);return t||(e.mirror(),m(e))}},function(e,t,n){"use strict";var r=n(11);function i(e){var t=["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"," ","$","%","*","+","-",".","/",":"];if(e>=t.length)throw new Error("Could not decode alphanumeric char");return t[e].charCodeAt(0)}var a=function(){function e(e,t){this.characterCountBitsForVersions=e,this.bits=t}return e.prototype.getCharacterCountBits=function(e){if(null==this.characterCountBitsForVersions)throw new Error("Character count doesn't apply to this mode");var t;return t=e<=9?0:e<=26?1:2,this.characterCountBitsForVersions[t]},e}(),o=new a([0,0,0],0),s=new a([10,12,14],1),u=new a([9,11,13],2),l=new a([0,0,0],3),f=new a([8,16,16],4),c=new a(null,7),h=new a([8,10,12],8),p=new a(null,5),d=new a(null,9),g=new a([8,10,12],13);function v(e){switch(e){case 0:return o;case 1:return s;case 2:return u;case 3:return l;case 4:return f;case 5:return p;case 7:return c;case 8:return h;case 9:return d;case 13:return g;default:throw new Error("Couldn't decode mode from byte array")}}function m(e){var t=e.readBits(8);if(0==(128&t))return 127&t;if(128==(192&t))return(63&t)<<8|e.readBits(8);if(192==(224&t))return(31&t)<<16|e.readBits(16);throw new Error("Bad ECI bits starting with byte "+t)}function _(e,t,n){if(13*n>e.available())return!1;for(var r=new Array(2*n),i=0;n>0;){var a=e.readBits(13),o=Math.floor(a/96)<<8|a%96;o+=o<959?41377:42657,r[i]=o>>8&255,r[i+1]=255&o,i+=2,n--}return t.val=r,!0}function w(e,t,n){for(;n>=3;){if(e.available()<10)return!1;var r=e.readBits(10);if(r>=1e3)return!1;t.val.push(i(Math.floor(r/100))),t.val.push(i(Math.floor(r/10)%10)),t.val.push(i(r%10)),n-=3}if(2==n){if(e.available()<7)return!1;var a=e.readBits(7);if(a>=100)return!1;t.val.push(i(Math.floor(a/10))),t.val.push(i(a%10))}else if(1==n){if(e.available()<4)return!1;var o=e.readBits(4);if(o>=10)return!1;t.val.push(i(o))}return!0}function b(e,t,n,r){for(var a=t.val.length;n>1;){if(e.available()<11)return!1;var o=e.readBits(11);t.val.push(i(Math.floor(o/45))),t.val.push(i(o%45)),n-=2}if(1==n){if(e.available()<6)return!1;t.val.push(i(e.readBits(6)))}if(r)for(var s=a;s<t.val.length;s++)t.val[s]=="%".charCodeAt(0)&&(s<t.val.length-1&&t.val[s+1]=="%".charCodeAt(0)?t.val=t.val.slice(0,s+1).concat(t.val.slice(s+2)):t.val[s]=29);return!0}function y(e,t,n){if(n<<3>e.available())return!1;for(var r=new Array(n),i=0;i<n;i++)r[i]=e.readBits(8);return Array.prototype.push.apply(t.val,r),!0}var x=1;t.decodeQRdata=function(e,t,n){for(var i,a=new r.BitStream(e),k={val:[]},E=!1;i!=o;)if((i=a.available()<4?o:v(a.readBits(4)))!=o)if(i==p||i==d)E=!0;else if(i==l){if(a.available()<16)return null;a.readBits(8),a.readBits(8)}else if(i==c){var A=m(a);if(A<0||A>30)return null}else if(i==g){var S=a.readBits(4),T=a.readBits(i.getCharacterCountBits(t));if(S==x&&!_(a,k,T))return null}else{var M=a.readBits(i.getCharacterCountBits(t));if(i==s){if(!w(a,k,M))return null}else if(i==u){if(!b(a,k,M,E))return null}else if(i==f){if(!y(a,k,M))return null}else if(i!=h)return null}return k.val}},function(e,t){"use strict";var n=function(){function e(e){this.byteOffset=0,this.bitOffset=0,this.bytes=e}return e.prototype.readBits=function(e){if(e<1||e>32||e>this.available())throw new Error("Cannot read "+e.toString()+" bits");var t=0;if(this.bitOffset>0){var n=8-this.bitOffset,r=e<n?e:n,i=255>>8-r<<(a=n-r);t=(this.bytes[this.byteOffset]&i)>>a,e-=r,this.bitOffset+=r,8==this.bitOffset&&(this.bitOffset=0,this.byteOffset++)}if(e>0){for(;e>=8;)t=t<<8|255&this.bytes[this.byteOffset],this.byteOffset++,e-=8;if(e>0){var a;i=255>>(a=8-e)<<a;t=t<<e|(this.bytes[this.byteOffset]&i)>>a,this.bitOffset+=e}}return t},e.prototype.available=function(){return 8*(this.bytes.length-this.byteOffset)-this.bitOffset},e}();t.BitStream=n},function(e,t){"use strict";var n=function(){function e(){this.field=new i(285,256,0)}return e.prototype.decode=function(e,t){for(var n=new r(this.field,e),a=new Array(t),o=!0,s=0;s<t;s++){var u=n.evaluateAt(this.field.exp(s+this.field.generatorBase));a[a.length-1-s]=u,0!=u&&(o=!1)}if(o)return!0;var l=new r(this.field,a),f=this.runEuclideanAlgorithm(this.field.buildMonomial(t,1),l,t);if(null==f)return!1;var c=f[0],h=this.findErrorLocations(c);if(null==h)return!1;var p=f[1],d=this.findErrorMagnitudes(p,h);for(s=0;s<h.length;s++){var g=e.length-1-this.field.log(h[s]);if(g<0)return!1;e[g]=i.addOrSubtract(e[g],d[s])}return!0},e.prototype.runEuclideanAlgorithm=function(e,t,n){if(e.degree()<t.degree()){var r=e;e=t,t=r}for(var i=e,a=t,o=this.field.zero,s=this.field.one;a.degree()>=n/2;){var u=i,l=o;if(o=s,(i=a).isZero())return null;a=u;for(var f=this.field.zero,c=i.getCoefficient(i.degree()),h=this.field.inverse(c);a.degree()>=i.degree()&&!a.isZero();){var p=a.degree()-i.degree(),d=this.field.multiply(a.getCoefficient(a.degree()),h);f=f.addOrSubtract(this.field.buildMonomial(p,d)),a=a.addOrSubtract(i.multiplyByMonomial(p,d))}if(s=f.multiplyPoly(o).addOrSubtract(l),a.degree()>=i.degree())return null}var g=s.getCoefficient(0);if(0==g)return null;var v=this.field.inverse(g);return[s.multiply(v),a.multiply(v)]},e.prototype.findErrorLocations=function(e){var t=e.degree();if(1==t)return[e.getCoefficient(1)];for(var n=new Array(t),r=0,i=1;i<this.field.size&&r<t;i++)0==e.evaluateAt(i)&&(n[r]=this.field.inverse(i),r++);return r!=t?null:n},e.prototype.findErrorMagnitudes=function(e,t){for(var n=t.length,r=new Array(n),i=0;i<n;i++){for(var a=this.field.inverse(t[i]),o=1,s=0;s<n;s++)if(i!=s){var u=this.field.multiply(t[s],a),l=0==(1&u)?1|u:-2&u;o=this.field.multiply(o,l)}r[i]=this.field.multiply(e.evaluateAt(a),this.field.inverse(o)),0!=this.field.generatorBase&&(r[i]=this.field.multiply(r[i],a))}return r},e}();t.ReedSolomonDecoder=n;var r=function(){function e(e,t){if(0==t.length)throw new Error("No coefficients.");this.field=e;var n=t.length;if(n>1&&0==t[0]){for(var r=1;r<n&&0==t[r];)r++;if(r==n)this.coefficients=e.zero.coefficients;else{this.coefficients=new Array(n-r);for(var i=0;i<this.coefficients.length;i++)this.coefficients[i]=t[r+i]}}else this.coefficients=t}return e.prototype.evaluateAt=function(e){var t=0;if(0==e)return this.getCoefficient(0);var n=this.coefficients.length;if(1==e)return this.coefficients.forEach(function(e){t=i.addOrSubtract(t,e)}),t;t=this.coefficients[0];for(var r=1;r<n;r++)t=i.addOrSubtract(this.field.multiply(e,t),this.coefficients[r]);return t},e.prototype.getCoefficient=function(e){return 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v=e[t++]|e[t++]<<8,m=e[t++]|e[t++]<<8,_=e[t++]|e[t++]<<8,w=e[t++]|e[t++]<<8,b=e[t++],y=b>>6&1,x=u,k=!1;b>>7&&(k=!0,x=t,t+=3*(1<<1+(7&b)));var E=t;for(t++;;){var A;if(0===(A=e[t++]))break;t+=A}f.push({x:v,y:m,width:_,height:w,has_local_palette:k,palette_offset:x,data_offset:E,data_length:t-E,transparent_index:h,interlaced:!!y,delay:c,disposal:p});break;case 59:l=!1;break;default:throw"Unknown gif block: 0x"+e[t-1].toString(16)}this.numFrames=function(){return f.length},this.loopCount=function(){return d},this.frameInfo=function(e){if(e<0||e>=f.length)throw"Frame index out of range.";return f[e]},this.decodeAndBlitFrameBGRA=function(t,i){var a=this.frameInfo(t),o=a.width*a.height,s=new Uint8Array(o);r(e,a.data_offset,s,o);var u=a.palette_offset,l=a.transparent_index;null===l&&(l=256);var f=a.width,c=n-f,h=f,p=4*(a.y*n+a.x),d=4*((a.y+a.height)*n+a.x),g=p,v=4*c;!0===a.interlaced&&(v+=4*n*7);for(var m=8,_=0,w=s.length;_<w;++_){var 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i(e)},i.prototype.op=function(e){e?this.current=e:this.current++,this.burdenReached()||(this.started||(this.started=(new Date).getTime()),this.time_start=(new Date).getTime(),this.updateTimes(),this.clear(),this.outputProgress(),this.outputStats(),this.outputTimes(),this.current>=this.total&&this.finished(),this.time_end=(new Date).getTime(),this.inner_time=this.time_end-this.time_start)},i.prototype.updateTimes=function(){this.elapsed=this.time_start-this.started,this.time_end>0&&(this.outer_time=this.time_start-this.time_end),this.inner_time>0&&this.outer_time>0&&(this.time_burden=this.inner_time/(this.inner_time+this.outer_time)*100,this.time_left=this.elapsed/this.current*(this.total-this.current),this.time_left<0&&(this.time_left=0)),this.time_burden>this.max_burden&&this.skip_steps<this.total/this.size&&(this.skip_steps=Math.floor(1.3*++this.skip_steps))},i.prototype.clear=function(){this.charm.erase("line").up(1).erase("line").up(1).erase("line").write("\r")},i.prototype.outputProgress=function(){this.charm.write("Processing: "),this.charm.foreground("green").background("green");for(var e=0;e<this.current/this.total*this.size-1;e++)this.charm.write(" ");for(this.charm.foreground("white").background("white");e<this.size-1;)this.charm.write(" "),e++;this.charm.display("reset").down(1).left(100)},i.prototype.outputStats=function(){this.perc=this.current/this.total*100,this.perc=a(this.perc.toFixed(2),2),this.charm.write("            ").display("bright").write(this.perc+"%").display("reset"),this.total_len=o(this.total).length,this.charm.write("   ").display("bright").write(a(o(this.current),this.total_len)).display("reset"),this.charm.write("/"+o(this.total)),this.show_burden&&(this.charm.write("    ").display("bright").write("Burden: ").display("reset"),this.charm.write(this.time_burden.toFixed(2)+"% / "+this.skip_steps)),this.charm.display("reset").down(1).left(100)},i.prototype.outputTimes=function(){var e=Math.floor(this.elapsed/36e5),t=Math.floor(this.elapsed/1e3%3600/60),n=Math.floor(this.elapsed/1e3%60);this.charm.write("            ").display("bright").write("Elapsed: ").display("reset"),this.charm.write(e+"h "+t+"m 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r,i=e("../utils/common"),a=e("./trees"),o=e("./adler32"),s=e("./crc32"),u=e("./messages"),l=0,f=1,c=3,h=4,p=5,d=0,g=1,v=-2,m=-3,_=-5,w=-1,b=1,y=2,x=3,k=4,E=0,A=2,S=8,T=9,M=15,R=8,I=286,j=30,C=19,L=2*I+1,B=15,D=3,z=258,P=z+D+1,O=32,N=42,U=69,F=73,q=91,V=103,W=113,Z=666,G=1,Y=2,H=3,X=4,$=3;function K(e,t){return e.msg=u[t],t}function J(e){return(e<<1)-(e>4?9:0)}function Q(e){for(var t=e.length;--t>=0;)e[t]=0}function ee(e){var t=e.state,n=t.pending;n>e.avail_out&&(n=e.avail_out),0!==n&&(i.arraySet(e.output,t.pending_buf,t.pending_out,n,e.next_out),e.next_out+=n,t.pending_out+=n,e.total_out+=n,e.avail_out-=n,t.pending-=n,0===t.pending&&(t.pending_out=0))}function te(e,t){a._tr_flush_block(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,ee(e.strm)}function ne(e,t){e.pending_buf[e.pending++]=t}function re(e,t){e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=255&t}function ie(e,t){var n,r,i=e.max_chain_length,a=e.strstart,o=e.prev_length,s=e.nice_match,u=e.strstart>e.w_size-P?e.strstart-(e.w_size-P):0,l=e.window,f=e.w_mask,c=e.prev,h=e.strstart+z,p=l[a+o-1],d=l[a+o];e.prev_length>=e.good_match&&(i>>=2),s>e.lookahead&&(s=e.lookahead);do{if(l[(n=t)+o]===d&&l[n+o-1]===p&&l[n]===l[a]&&l[++n]===l[a+1]){a+=2,n++;do{}while(l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&a<h);if(r=z-(h-a),a=h-z,r>o){if(e.match_start=t,o=r,r>=s)break;p=l[a+o-1],d=l[a+o]}}}while((t=c[t&f])>u&&0!=--i);return o<=e.lookahead?o:e.lookahead}function ae(e){var t,n,r,a,u,l,f,c,h,p,d=e.w_size;do{if(a=e.window_size-e.lookahead-e.strstart,e.strstart>=d+(d-P)){i.arraySet(e.window,e.window,d,d,0),e.match_start-=d,e.strstart-=d,e.block_start-=d,t=n=e.hash_size;do{r=e.head[--t],e.head[t]=r>=d?r-d:0}while(--n);t=n=d;do{r=e.prev[--t],e.prev[t]=r>=d?r-d:0}while(--n);a+=d}if(0===e.strm.avail_in)break;if(l=e.strm,f=e.window,c=e.strstart+e.lookahead,h=a,p=void 0,(p=l.avail_in)>h&&(p=h),n=0===p?0:(l.avail_in-=p,i.arraySet(f,l.input,l.next_in,p,c),1===l.state.wrap?l.adler=o(l.adler,f,p,c):2===l.state.wrap&&(l.adler=s(l.adler,f,p,c)),l.next_in+=p,l.total_in+=p,p),e.lookahead+=n,e.lookahead+e.insert>=D)for(u=e.strstart-e.insert,e.ins_h=e.window[u],e.ins_h=(e.ins_h<<e.hash_shift^e.window[u+1])&e.hash_mask;e.insert&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[u+D-1])&e.hash_mask,e.prev[u&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=u,u++,e.insert--,!(e.lookahead+e.insert<D)););}while(e.lookahead<P&&0!==e.strm.avail_in)}function oe(e,t){for(var n,r;;){if(e.lookahead<P){if(ae(e),e.lookahead<P&&t===l)return G;if(0===e.lookahead)break}if(n=0,e.lookahead>=D&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+D-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==n&&e.strstart-n<=e.w_size-P&&(e.match_length=ie(e,n)),e.match_length>=D)if(r=a._tr_tally(e,e.strstart-e.match_start,e.match_length-D),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=D){e.match_length--;do{e.strstart++,e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+D-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+1])&e.hash_mask;else r=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(r&&(te(e,!1),0===e.strm.avail_out))return G}return e.insert=e.strstart<D-1?e.strstart:D-1,t===h?(te(e,!0),0===e.strm.avail_out?H:X):e.last_lit&&(te(e,!1),0===e.strm.avail_out)?G:Y}function se(e,t){for(var n,r,i;;){if(e.lookahead<P){if(ae(e),e.lookahead<P&&t===l)return 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if(e.match_available){if((r=a._tr_tally(e,0,e.window[e.strstart-1]))&&te(e,!1),e.strstart++,e.lookahead--,0===e.strm.avail_out)return G}else e.match_available=1,e.strstart++,e.lookahead--}return e.match_available&&(r=a._tr_tally(e,0,e.window[e.strstart-1]),e.match_available=0),e.insert=e.strstart<D-1?e.strstart:D-1,t===h?(te(e,!0),0===e.strm.avail_out?H:X):e.last_lit&&(te(e,!1),0===e.strm.avail_out)?G:Y}function ue(e,t,n,r,i){this.good_length=e,this.max_lazy=t,this.nice_length=n,this.max_chain=r,this.func=i}function le(e){var t;return e&&e.state?(e.total_in=e.total_out=0,e.data_type=A,(t=e.state).pending=0,t.pending_out=0,t.wrap<0&&(t.wrap=-t.wrap),t.status=t.wrap?N:W,e.adler=2===t.wrap?0:1,t.last_flush=l,a._tr_init(t),d):K(e,v)}function fe(e){var t,n=le(e);return n===d&&((t=e.state).window_size=2*t.w_size,Q(t.head),t.max_lazy_match=r[t.level].max_lazy,t.good_match=r[t.level].good_length,t.nice_match=r[t.level].nice_length,t.max_chain_length=r[t.level].max_chain,t.strstart=0,t.block_start=0,t.lookahead=0,t.insert=0,t.match_length=t.prev_length=D-1,t.match_available=0,t.ins_h=0),n}function ce(e,t,n,r,a,o){if(!e)return v;var s=1;if(t===w&&(t=6),r<0?(s=0,r=-r):r>15&&(s=2,r-=16),a<1||a>T||n!==S||r<8||r>15||t<0||t>9||o<0||o>k)return K(e,v);8===r&&(r=9);var u=new function(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=S,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new i.Buf16(2*L),this.dyn_dtree=new i.Buf16(2*(2*j+1)),this.bl_tree=new i.Buf16(2*(2*C+1)),Q(this.dyn_ltree),Q(this.dyn_dtree),Q(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new i.Buf16(B+1),this.heap=new i.Buf16(2*I+1),Q(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new i.Buf16(2*I+1),Q(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0};return e.state=u,u.strm=e,u.wrap=s,u.gzhead=null,u.w_bits=r,u.w_size=1<<u.w_bits,u.w_mask=u.w_size-1,u.hash_bits=a+7,u.hash_size=1<<u.hash_bits,u.hash_mask=u.hash_size-1,u.hash_shift=~~((u.hash_bits+D-1)/D),u.window=new i.Buf8(2*u.w_size),u.head=new i.Buf16(u.hash_size),u.prev=new i.Buf16(u.w_size),u.lit_bufsize=1<<a+6,u.pending_buf_size=4*u.lit_bufsize,u.pending_buf=new i.Buf8(u.pending_buf_size),u.d_buf=1*u.lit_bufsize,u.l_buf=3*u.lit_bufsize,u.level=t,u.strategy=o,u.method=n,fe(e)}r=[new ue(0,0,0,0,function(e,t){var n=65535;for(n>e.pending_buf_size-5&&(n=e.pending_buf_size-5);;){if(e.lookahead<=1){if(ae(e),0===e.lookahead&&t===l)return G;if(0===e.lookahead)break}e.strstart+=e.lookahead,e.lookahead=0;var r=e.block_start+n;if((0===e.strstart||e.strstart>=r)&&(e.lookahead=e.strstart-r,e.strstart=r,te(e,!1),0===e.strm.avail_out))return G;if(e.strstart-e.block_start>=e.w_size-P&&(te(e,!1),0===e.strm.avail_out))return G}return e.insert=0,t===h?(te(e,!0),0===e.strm.avail_out?H:X):(e.strstart>e.block_start&&(te(e,!1),e.strm.avail_out),G)}),new ue(4,4,8,4,oe),new ue(4,5,16,8,oe),new ue(4,6,32,32,oe),new ue(4,4,16,16,se),new ue(8,16,32,32,se),new ue(8,16,128,128,se),new ue(8,32,128,256,se),new ue(32,128,258,1024,se),new ue(32,258,258,4096,se)],n.deflateInit=function(e,t){return ce(e,t,S,M,R,E)},n.deflateInit2=ce,n.deflateReset=fe,n.deflateResetKeep=le,n.deflateSetHeader=function(e,t){return e&&e.state?2!==e.state.wrap?v:(e.state.gzhead=t,d):v},n.deflate=function(e,t){var n,i,o,u;if(!e||!e.state||t>p||t<0)return e?K(e,v):v;if(i=e.state,!e.output||!e.input&&0!==e.avail_in||i.status===Z&&t!==h)return K(e,0===e.avail_out?_:v);if(i.strm=e,n=i.last_flush,i.last_flush=t,i.status===N)if(2===i.wrap)e.adler=0,ne(i,31),ne(i,139),ne(i,8),i.gzhead?(ne(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),ne(i,255&i.gzhead.time),ne(i,i.gzhead.time>>8&255),ne(i,i.gzhead.time>>16&255),ne(i,i.gzhead.time>>24&255),ne(i,9===i.level?2:i.strategy>=y||i.level<2?4:0),ne(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(ne(i,255&i.gzhead.extra.length),ne(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=s(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=U):(ne(i,0),ne(i,0),ne(i,0),ne(i,0),ne(i,0),ne(i,9===i.level?2:i.strategy>=y||i.level<2?4:0),ne(i,$),i.status=W);else{var m=S+(i.w_bits-8<<4)<<8;m|=(i.strategy>=y||i.level<2?0:i.level<6?1:6===i.level?2:3)<<6,0!==i.strstart&&(m|=O),m+=31-m%31,i.status=W,re(i,m),0!==i.strstart&&(re(i,e.adler>>>16),re(i,65535&e.adler)),e.adler=1}if(i.status===U)if(i.gzhead.extra){for(o=i.pending;i.gzindex<(65535&i.gzhead.extra.length)&&(i.pending!==i.pending_buf_size||(i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),ee(e),o=i.pending,i.pending!==i.pending_buf_size));)ne(i,255&i.gzhead.extra[i.gzindex]),i.gzindex++;i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),i.gzindex===i.gzhead.extra.length&&(i.gzindex=0,i.status=F)}else i.status=F;if(i.status===F)if(i.gzhead.name){o=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),ee(e),o=i.pending,i.pending===i.pending_buf_size)){u=1;break}u=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,ne(i,u)}while(0!==u);i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),0===u&&(i.gzindex=0,i.status=q)}else i.status=q;if(i.status===q)if(i.gzhead.comment){o=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),ee(e),o=i.pending,i.pending===i.pending_buf_size)){u=1;break}u=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,ne(i,u)}while(0!==u);i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),0===u&&(i.status=V)}else i.status=V;if(i.status===V&&(i.gzhead.hcrc?(i.pending+2>i.pending_buf_size&&ee(e),i.pending+2<=i.pending_buf_size&&(ne(i,255&e.adler),ne(i,e.adler>>8&255),e.adler=0,i.status=W)):i.status=W),0!==i.pending){if(ee(e),0===e.avail_out)return i.last_flush=-1,d}else if(0===e.avail_in&&J(t)<=J(n)&&t!==h)return K(e,_);if(i.status===Z&&0!==e.avail_in)return K(e,_);if(0!==e.avail_in||0!==i.lookahead||t!==l&&i.status!==Z){var w=i.strategy===y?function(e,t){for(var n;;){if(0===e.lookahead&&(ae(e),0===e.lookahead)){if(t===l)return G;break}if(e.match_length=0,n=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,n&&(te(e,!1),0===e.strm.avail_out))return G}return e.insert=0,t===h?(te(e,!0),0===e.strm.avail_out?H:X):e.last_lit&&(te(e,!1),0===e.strm.avail_out)?G:Y}(i,t):i.strategy===x?function(e,t){for(var n,r,i,o,s=e.window;;){if(e.lookahead<=z){if(ae(e),e.lookahead<=z&&t===l)return G;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=D&&e.strstart>0&&(r=s[i=e.strstart-1])===s[++i]&&r===s[++i]&&r===s[++i]){o=e.strstart+z;do{}while(r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&i<o);e.match_length=z-(o-i),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=D?(n=a._tr_tally(e,1,e.match_length-D),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(n=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),n&&(te(e,!1),0===e.strm.avail_out))return G}return e.insert=0,t===h?(te(e,!0),0===e.strm.avail_out?H:X):e.last_lit&&(te(e,!1),0===e.strm.avail_out)?G:Y}(i,t):r[i.level].func(i,t);if(w!==H&&w!==X||(i.status=Z),w===G||w===H)return 0===e.avail_out&&(i.last_flush=-1),d;if(w===Y&&(t===f?a._tr_align(i):t!==p&&(a._tr_stored_block(i,0,0,!1),t===c&&(Q(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),ee(e),0===e.avail_out))return i.last_flush=-1,d}return t!==h?d:i.wrap<=0?g:(2===i.wrap?(ne(i,255&e.adler),ne(i,e.adler>>8&255),ne(i,e.adler>>16&255),ne(i,e.adler>>24&255),ne(i,255&e.total_in),ne(i,e.total_in>>8&255),ne(i,e.total_in>>16&255),ne(i,e.total_in>>24&255)):(re(i,e.adler>>>16),re(i,65535&e.adler)),ee(e),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?d:g)},n.deflateEnd=function(e){var t;return e&&e.state?(t=e.state.status)!==N&&t!==U&&t!==F&&t!==q&&t!==V&&t!==W&&t!==Z?K(e,v):(e.state=null,t===W?K(e,m):d):v},n.deflateSetDictionary=function(e,t){var n,r,a,s,u,l,f,c,h=t.length;if(!e||!e.state)return v;if(2===(s=(n=e.state).wrap)||1===s&&n.status!==N||n.lookahead)return v;for(1===s&&(e.adler=o(e.adler,t,h,0)),n.wrap=0,h>=n.w_size&&(0===s&&(Q(n.head),n.strstart=0,n.block_start=0,n.insert=0),c=new i.Buf8(n.w_size),i.arraySet(c,t,h-n.w_size,n.w_size,0),t=c,h=n.w_size),u=e.avail_in,l=e.next_in,f=e.input,e.avail_in=h,e.next_in=0,e.input=t,ae(n);n.lookahead>=D;){r=n.strstart,a=n.lookahead-(D-1);do{n.ins_h=(n.ins_h<<n.hash_shift^n.window[r+D-1])&n.hash_mask,n.prev[r&n.w_mask]=n.head[n.ins_h],n.head[n.ins_h]=r,r++}while(--a);n.strstart=r,n.lookahead=D-1,ae(n)}return n.strstart+=n.lookahead,n.block_start=n.strstart,n.insert=n.lookahead,n.lookahead=0,n.match_length=n.prev_length=D-1,n.match_available=0,e.next_in=l,e.input=f,e.avail_in=u,n.wrap=s,d},n.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":70,"./adler32":71,"./crc32":73,"./messages":78,"./trees":79}],75:[function(e,t,n){"use strict";t.exports=function(e,t){var n,r,i,a,o,s,u,l,f,c,h,p,d,g,v,m,_,w,b,y,x,k,E,A,S;n=e.state,r=e.next_in,A=e.input,i=r+(e.avail_in-5),a=e.next_out,S=e.output,o=a-(t-e.avail_out),s=a+(e.avail_out-257),u=n.dmax,l=n.wsize,f=n.whave,c=n.wnext,h=n.window,p=n.hold,d=n.bits,g=n.lencode,v=n.distcode,m=(1<<n.lenbits)-1,_=(1<<n.distbits)-1;e:do{d<15&&(p+=A[r++]<<d,d+=8,p+=A[r++]<<d,d+=8),w=g[p&m];t:for(;;){if(p>>>=b=w>>>24,d-=b,0===(b=w>>>16&255))S[a++]=65535&w;else{if(!(16&b)){if(0==(64&b)){w=g[(65535&w)+(p&(1<<b)-1)];continue t}if(32&b){n.mode=12;break e}e.msg="invalid literal/length code",n.mode=30;break e}y=65535&w,(b&=15)&&(d<b&&(p+=A[r++]<<d,d+=8),y+=p&(1<<b)-1,p>>>=b,d-=b),d<15&&(p+=A[r++]<<d,d+=8,p+=A[r++]<<d,d+=8),w=v[p&_];n:for(;;){if(p>>>=b=w>>>24,d-=b,!(16&(b=w>>>16&255))){if(0==(64&b)){w=v[(65535&w)+(p&(1<<b)-1)];continue n}e.msg="invalid distance code",n.mode=30;break e}if(x=65535&w,d<(b&=15)&&(p+=A[r++]<<d,(d+=8)<b&&(p+=A[r++]<<d,d+=8)),(x+=p&(1<<b)-1)>u){e.msg="invalid distance too far back",n.mode=30;break e}if(p>>>=b,d-=b,x>(b=a-o)){if((b=x-b)>f&&n.sane){e.msg="invalid distance too far back",n.mode=30;break e}if(k=0,E=h,0===c){if(k+=l-b,b<y){y-=b;do{S[a++]=h[k++]}while(--b);k=a-x,E=S}}else if(c<b){if(k+=l+c-b,(b-=c)<y){y-=b;do{S[a++]=h[k++]}while(--b);if(k=0,c<y){y-=b=c;do{S[a++]=h[k++]}while(--b);k=a-x,E=S}}}else if(k+=c-b,b<y){y-=b;do{S[a++]=h[k++]}while(--b);k=a-x,E=S}for(;y>2;)S[a++]=E[k++],S[a++]=E[k++],S[a++]=E[k++],y-=3;y&&(S[a++]=E[k++],y>1&&(S[a++]=E[k++]))}else{k=a-x;do{S[a++]=S[k++],S[a++]=S[k++],S[a++]=S[k++],y-=3}while(y>2);y&&(S[a++]=S[k++],y>1&&(S[a++]=S[k++]))}break}}break}}while(r<i&&a<s);r-=y=d>>3,p&=(1<<(d-=y<<3))-1,e.next_in=r,e.next_out=a,e.avail_in=r<i?i-r+5:5-(r-i),e.avail_out=a<s?s-a+257:257-(a-s),n.hold=p,n.bits=d}},{}],76:[function(e,t,n){"use strict";var r=e("../utils/common"),i=e("./adler32"),a=e("./crc32"),o=e("./inffast"),s=e("./inftrees"),u=0,l=1,f=2,c=4,h=5,p=6,d=0,g=1,v=2,m=-2,_=-3,w=-4,b=-5,y=8,x=1,k=2,E=3,A=4,S=5,T=6,M=7,R=8,I=9,j=10,C=11,L=12,B=13,D=14,z=15,P=16,O=17,N=18,U=19,F=20,q=21,V=22,W=23,Z=24,G=25,Y=26,H=27,X=28,$=29,K=30,J=31,Q=32,ee=852,te=592,ne=15;function re(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function ie(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=x,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new r.Buf32(ee),t.distcode=t.distdyn=new r.Buf32(te),t.sane=1,t.back=-1,d):m}function ae(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,ie(e)):m}function oe(e,t){var n,r;return e&&e.state?(r=e.state,t<0?(n=0,t=-t):(n=1+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?m:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=n,r.wbits=t,ae(e))):m}function se(e,t){var n,i;return e?(i=new function(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new r.Buf16(320),this.work=new r.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0},e.state=i,i.window=null,(n=oe(e,t))!==d&&(e.state=null),n):m}var ue,le,fe=!0;function ce(e){if(fe){var t;for(ue=new r.Buf32(512),le=new r.Buf32(32),t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(s(l,e.lens,0,288,ue,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;s(f,e.lens,0,32,le,0,e.work,{bits:5}),fe=!1}e.lencode=ue,e.lenbits=9,e.distcode=le,e.distbits=5}function he(e,t,n,i){var a,o=e.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new r.Buf8(o.wsize)),i>=o.wsize?(r.arraySet(o.window,t,n-o.wsize,o.wsize,0),o.wnext=0,o.whave=o.wsize):((a=o.wsize-o.wnext)>i&&(a=i),r.arraySet(o.window,t,n-i,a,o.wnext),(i-=a)?(r.arraySet(o.window,t,n-i,i,0),o.wnext=i,o.whave=o.wsize):(o.wnext+=a,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=a))),0}n.inflateReset=ae,n.inflateReset2=oe,n.inflateResetKeep=ie,n.inflateInit=function(e){return se(e,ne)},n.inflateInit2=se,n.inflate=function(e,t){var n,ee,te,ne,ie,ae,oe,se,ue,le,fe,pe,de,ge,ve,me,_e,we,be,ye,xe,ke,Ee,Ae,Se=0,Te=new r.Buf8(4),Me=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&0!==e.avail_in)return m;(n=e.state).mode===L&&(n.mode=B),ie=e.next_out,te=e.output,oe=e.avail_out,ne=e.next_in,ee=e.input,ae=e.avail_in,se=n.hold,ue=n.bits,le=ae,fe=oe,ke=d;e:for(;;)switch(n.mode){case x:if(0===n.wrap){n.mode=B;break}for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(2&n.wrap&&35615===se){n.check=0,Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0),se=0,ue=0,n.mode=k;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&se)<<8)+(se>>8))%31){e.msg="incorrect header check",n.mode=K;break}if((15&se)!==y){e.msg="unknown compression method",n.mode=K;break}if(ue-=4,xe=8+(15&(se>>>=4)),0===n.wbits)n.wbits=xe;else if(xe>n.wbits){e.msg="invalid window size",n.mode=K;break}n.dmax=1<<xe,e.adler=n.check=1,n.mode=512&se?j:L,se=0,ue=0;break;case k:for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(n.flags=se,(255&n.flags)!==y){e.msg="unknown compression method",n.mode=K;break}if(57344&n.flags){e.msg="unknown header flags set",n.mode=K;break}n.head&&(n.head.text=se>>8&1),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0)),se=0,ue=0,n.mode=E;case E:for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.head&&(n.head.time=se),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,Te[2]=se>>>16&255,Te[3]=se>>>24&255,n.check=a(n.check,Te,4,0)),se=0,ue=0,n.mode=A;case A:for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.head&&(n.head.xflags=255&se,n.head.os=se>>8),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0)),se=0,ue=0,n.mode=S;case S:if(1024&n.flags){for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.length=se,n.head&&(n.head.extra_len=se),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0)),se=0,ue=0}else n.head&&(n.head.extra=null);n.mode=T;case T:if(1024&n.flags&&((pe=n.length)>ae&&(pe=ae),pe&&(n.head&&(xe=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),r.arraySet(n.head.extra,ee,ne,pe,xe)),512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,n.length-=pe),n.length))break e;n.length=0,n.mode=M;case M:if(2048&n.flags){if(0===ae)break e;pe=0;do{xe=ee[ne+pe++],n.head&&xe&&n.length<65536&&(n.head.name+=String.fromCharCode(xe))}while(xe&&pe<ae);if(512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,xe)break e}else n.head&&(n.head.name=null);n.length=0,n.mode=R;case R:if(4096&n.flags){if(0===ae)break e;pe=0;do{xe=ee[ne+pe++],n.head&&xe&&n.length<65536&&(n.head.comment+=String.fromCharCode(xe))}while(xe&&pe<ae);if(512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,xe)break e}else n.head&&(n.head.comment=null);n.mode=I;case I:if(512&n.flags){for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(se!==(65535&n.check)){e.msg="header crc mismatch",n.mode=K;break}se=0,ue=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),e.adler=n.check=0,n.mode=L;break;case j:for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}e.adler=n.check=re(se),se=0,ue=0,n.mode=C;case C:if(0===n.havedict)return e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,v;e.adler=n.check=1,n.mode=L;case L:if(t===h||t===p)break e;case B:if(n.last){se>>>=7&ue,ue-=7&ue,n.mode=H;break}for(;ue<3;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}switch(n.last=1&se,ue-=1,3&(se>>>=1)){case 0:n.mode=D;break;case 1:if(ce(n),n.mode=F,t===p){se>>>=2,ue-=2;break e}break;case 2:n.mode=O;break;case 3:e.msg="invalid block type",n.mode=K}se>>>=2,ue-=2;break;case D:for(se>>>=7&ue,ue-=7&ue;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if((65535&se)!=(se>>>16^65535)){e.msg="invalid stored block lengths",n.mode=K;break}if(n.length=65535&se,se=0,ue=0,n.mode=z,t===p)break e;case z:n.mode=P;case P:if(pe=n.length){if(pe>ae&&(pe=ae),pe>oe&&(pe=oe),0===pe)break e;r.arraySet(te,ee,ne,pe,ie),ae-=pe,ne+=pe,oe-=pe,ie+=pe,n.length-=pe;break}n.mode=L;break;case O:for(;ue<14;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(n.nlen=257+(31&se),se>>>=5,ue-=5,n.ndist=1+(31&se),se>>>=5,ue-=5,n.ncode=4+(15&se),se>>>=4,ue-=4,n.nlen>286||n.ndist>30){e.msg="too many length or distance symbols",n.mode=K;break}n.have=0,n.mode=N;case N:for(;n.have<n.ncode;){for(;ue<3;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.lens[Me[n.have++]]=7&se,se>>>=3,ue-=3}for(;n.have<19;)n.lens[Me[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,Ee={bits:n.lenbits},ke=s(u,n.lens,0,19,n.lencode,0,n.work,Ee),n.lenbits=Ee.bits,ke){e.msg="invalid code lengths set",n.mode=K;break}n.have=0,n.mode=U;case U:for(;n.have<n.nlen+n.ndist;){for(;me=(Se=n.lencode[se&(1<<n.lenbits)-1])>>>16&255,_e=65535&Se,!((ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(_e<16)se>>>=ve,ue-=ve,n.lens[n.have++]=_e;else{if(16===_e){for(Ae=ve+2;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(se>>>=ve,ue-=ve,0===n.have){e.msg="invalid bit length repeat",n.mode=K;break}xe=n.lens[n.have-1],pe=3+(3&se),se>>>=2,ue-=2}else if(17===_e){for(Ae=ve+3;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}ue-=ve,xe=0,pe=3+(7&(se>>>=ve)),se>>>=3,ue-=3}else{for(Ae=ve+7;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}ue-=ve,xe=0,pe=11+(127&(se>>>=ve)),se>>>=7,ue-=7}if(n.have+pe>n.nlen+n.ndist){e.msg="invalid bit length repeat",n.mode=K;break}for(;pe--;)n.lens[n.have++]=xe}}if(n.mode===K)break;if(0===n.lens[256]){e.msg="invalid code -- missing end-of-block",n.mode=K;break}if(n.lenbits=9,Ee={bits:n.lenbits},ke=s(l,n.lens,0,n.nlen,n.lencode,0,n.work,Ee),n.lenbits=Ee.bits,ke){e.msg="invalid literal/lengths set",n.mode=K;break}if(n.distbits=6,n.distcode=n.distdyn,Ee={bits:n.distbits},ke=s(f,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,Ee),n.distbits=Ee.bits,ke){e.msg="invalid distances set",n.mode=K;break}if(n.mode=F,t===p)break e;case F:n.mode=q;case q:if(ae>=6&&oe>=258){e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,o(e,fe),ie=e.next_out,te=e.output,oe=e.avail_out,ne=e.next_in,ee=e.input,ae=e.avail_in,se=n.hold,ue=n.bits,n.mode===L&&(n.back=-1);break}for(n.back=0;me=(Se=n.lencode[se&(1<<n.lenbits)-1])>>>16&255,_e=65535&Se,!((ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(me&&0==(240&me)){for(we=ve,be=me,ye=_e;me=(Se=n.lencode[ye+((se&(1<<we+be)-1)>>we)])>>>16&255,_e=65535&Se,!(we+(ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}se>>>=we,ue-=we,n.back+=we}if(se>>>=ve,ue-=ve,n.back+=ve,n.length=_e,0===me){n.mode=Y;break}if(32&me){n.back=-1,n.mode=L;break}if(64&me){e.msg="invalid literal/length code",n.mode=K;break}n.extra=15&me,n.mode=V;case V:if(n.extra){for(Ae=n.extra;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.length+=se&(1<<n.extra)-1,se>>>=n.extra,ue-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=W;case W:for(;me=(Se=n.distcode[se&(1<<n.distbits)-1])>>>16&255,_e=65535&Se,!((ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(0==(240&me)){for(we=ve,be=me,ye=_e;me=(Se=n.distcode[ye+((se&(1<<we+be)-1)>>we)])>>>16&255,_e=65535&Se,!(we+(ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}se>>>=we,ue-=we,n.back+=we}if(se>>>=ve,ue-=ve,n.back+=ve,64&me){e.msg="invalid distance code",n.mode=K;break}n.offset=_e,n.extra=15&me,n.mode=Z;case Z:if(n.extra){for(Ae=n.extra;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.offset+=se&(1<<n.extra)-1,se>>>=n.extra,ue-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){e.msg="invalid distance too far back",n.mode=K;break}n.mode=G;case G:if(0===oe)break e;if(pe=fe-oe,n.offset>pe){if((pe=n.offset-pe)>n.whave&&n.sane){e.msg="invalid distance too far back",n.mode=K;break}pe>n.wnext?(pe-=n.wnext,de=n.wsize-pe):de=n.wnext-pe,pe>n.length&&(pe=n.length),ge=n.window}else ge=te,de=ie-n.offset,pe=n.length;pe>oe&&(pe=oe),oe-=pe,n.length-=pe;do{te[ie++]=ge[de++]}while(--pe);0===n.length&&(n.mode=q);break;case Y:if(0===oe)break e;te[ie++]=n.length,oe--,n.mode=q;break;case H:if(n.wrap){for(;ue<32;){if(0===ae)break e;ae--,se|=ee[ne++]<<ue,ue+=8}if(fe-=oe,e.total_out+=fe,n.total+=fe,fe&&(e.adler=n.check=n.flags?a(n.check,te,fe,ie-fe):i(n.check,te,fe,ie-fe)),fe=oe,(n.flags?se:re(se))!==n.check){e.msg="incorrect data check",n.mode=K;break}se=0,ue=0}n.mode=X;case X:if(n.wrap&&n.flags){for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(se!==(4294967295&n.total)){e.msg="incorrect length check",n.mode=K;break}se=0,ue=0}n.mode=$;case $:ke=g;break e;case K:ke=_;break e;case J:return w;case Q:default:return m}return e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,(n.wsize||fe!==e.avail_out&&n.mode<K&&(n.mode<H||t!==c))&&he(e,e.output,e.next_out,fe-e.avail_out)?(n.mode=J,w):(le-=e.avail_in,fe-=e.avail_out,e.total_in+=le,e.total_out+=fe,n.total+=fe,n.wrap&&fe&&(e.adler=n.check=n.flags?a(n.check,te,fe,e.next_out-fe):i(n.check,te,fe,e.next_out-fe)),e.data_type=n.bits+(n.last?64:0)+(n.mode===L?128:0)+(n.mode===F||n.mode===z?256:0),(0===le&&0===fe||t===c)&&ke===d&&(ke=b),ke)},n.inflateEnd=function(e){if(!e||!e.state)return m;var t=e.state;return t.window&&(t.window=null),e.state=null,d},n.inflateGetHeader=function(e,t){var n;return e&&e.state?0==(2&(n=e.state).wrap)?m:(n.head=t,t.done=!1,d):m},n.inflateSetDictionary=function(e,t){var n,r=t.length;return e&&e.state?0!==(n=e.state).wrap&&n.mode!==C?m:n.mode===C&&i(1,t,r,0)!==n.check?_:he(e,t,r,r)?(n.mode=J,w):(n.havedict=1,d):m},n.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":70,"./adler32":71,"./crc32":73,"./inffast":75,"./inftrees":77}],77:[function(e,t,n){"use strict";var r=e("../utils/common"),i=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],a=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],o=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],s=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,n,u,l,f,c,h){var p,d,g,v,m,_,w,b,y,x=h.bits,k=0,E=0,A=0,S=0,T=0,M=0,R=0,I=0,j=0,C=0,L=null,B=0,D=new r.Buf16(16),z=new r.Buf16(16),P=null,O=0;for(k=0;k<=15;k++)D[k]=0;for(E=0;E<u;E++)D[t[n+E]]++;for(T=x,S=15;S>=1&&0===D[S];S--);if(T>S&&(T=S),0===S)return l[f++]=20971520,l[f++]=20971520,h.bits=1,0;for(A=1;A<S&&0===D[A];A++);for(T<A&&(T=A),I=1,k=1;k<=15;k++)if(I<<=1,(I-=D[k])<0)return-1;if(I>0&&(0===e||1!==S))return-1;for(z[1]=0,k=1;k<15;k++)z[k+1]=z[k]+D[k];for(E=0;E<u;E++)0!==t[n+E]&&(c[z[t[n+E]]++]=E);if(0===e?(L=P=c,_=19):1===e?(L=i,B-=257,P=a,O-=257,_=256):(L=o,P=s,_=-1),C=0,E=0,k=A,m=f,M=T,R=0,g=-1,v=(j=1<<T)-1,1===e&&j>852||2===e&&j>592)return 1;for(;;){0,w=k-R,c[E]<_?(b=0,y=c[E]):c[E]>_?(b=P[O+c[E]],y=L[B+c[E]]):(b=96,y=0),p=1<<k-R,A=d=1<<M;do{l[m+(C>>R)+(d-=p)]=w<<24|b<<16|y|0}while(0!==d);for(p=1<<k-1;C&p;)p>>=1;if(0!==p?(C&=p-1,C+=p):C=0,E++,0==--D[k]){if(k===S)break;k=t[n+c[E]]}if(k>T&&(C&v)!==g){for(0===R&&(R=T),m+=A,I=1<<(M=k-R);M+R<S&&!((I-=D[M+R])<=0);)M++,I<<=1;if(j+=1<<M,1===e&&j>852||2===e&&j>592)return 1;l[g=C&v]=T<<24|M<<16|m-f|0}}return 0!==C&&(l[m+C]=k-R<<24|64<<16|0),h.bits=T,0}},{"../utils/common":70}],78:[function(e,t,n){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file 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n,r,i,a,o,s,u=t.dyn_tree,l=t.max_code,f=t.stat_desc.static_tree,c=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,p=t.stat_desc.extra_base,d=t.stat_desc.max_length,g=0;for(a=0;a<=_;a++)e.bl_count[a]=0;for(u[2*e.heap[e.heap_max]+1]=0,n=e.heap_max+1;n<m;n++)(a=u[2*u[2*(r=e.heap[n])+1]+1]+1)>d&&(a=d,g++),u[2*r+1]=a,r>l||(e.bl_count[a]++,o=0,r>=p&&(o=h[r-p]),s=u[2*r],e.opt_len+=s*(a+o),c&&(e.static_len+=s*(f[2*r+1]+o)));if(0!==g){do{for(a=d-1;0===e.bl_count[a];)a--;e.bl_count[a]--,e.bl_count[a+1]+=2,e.bl_count[d]--,g-=2}while(g>0);for(a=d;0!==a;a--)for(r=e.bl_count[a];0!==r;)(i=e.heap[--n])>l||(u[2*i+1]!==a&&(e.opt_len+=(a-u[2*i+1])*u[2*i],u[2*i+1]=a),r--)}}(e,t),Z(a,l,e.bl_count)}function J(e,t,n){var r,i,a=-1,o=t[1],s=0,u=7,l=4;for(0===o&&(u=138,l=3),t[2*(n+1)+1]=65535,r=0;r<=n;r++)i=o,o=t[2*(r+1)+1],++s<u&&i===o||(s<l?e.bl_tree[2*i]+=s:0!==i?(i!==a&&e.bl_tree[2*i]++,e.bl_tree[2*x]++):s<=10?e.bl_tree[2*k]++:e.bl_tree[2*E]++,s=0,a=i,0===o?(u=138,l=3):i===o?(u=6,l=3):(u=7,l=4))}function 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g,v=e[f],m=e[f+1],_=e[f+2];a.inputHasAlpha?(g=e[f+3],o||(g/=255,v=Math.min(Math.max(Math.round((1-g)*h.red+g*v),0),255),m=Math.min(Math.max(Math.round((1-g)*h.green+g*m),0),255),_=Math.min(Math.max(Math.round((1-g)*h.blue+g*_),0),255))):g=255,u[c]=v,u[c+1]=m,u[c+2]=_,o&&(u[c+3]=g),f+=l,c+=s}return u}}).call(this,e("buffer").Buffer)},{"./constants":85,buffer:8}],84:[function(e,t,n){(function(n,r){"use strict";var i=e("util"),a=e("stream"),o=t.exports=function(){a.call(this),this._buffers=[],this._buffered=0,this._reads=[],this._paused=!1,this._encoding="utf8",this.writable=!0};i.inherits(o,a),o.prototype.read=function(e,t){this._reads.push({length:Math.abs(e),allowLess:e<0,func:t}),n.nextTick(function(){this._process(),this._paused&&this._reads.length>0&&(this._paused=!1,this.emit("drain"))}.bind(this))},o.prototype.write=function(e,t){return this.writable?(n=r.isBuffer(e)?e:new r(e,t||this._encoding),this._buffers.push(n),this._buffered+=n.length,this._process(),this._reads&&0===this._reads.length&&(this._paused=!0),this.writable&&!this._paused):(this.emit("error",new Error("Stream not writable")),!1);var n},o.prototype.end=function(e,t){e&&this.write(e,t),this.writable=!1,this._buffers&&(0===this._buffers.length?this._end():(this._buffers.push(null),this._process()))},o.prototype.destroySoon=o.prototype.end,o.prototype._end=function(){this._reads.length>0&&this.emit("error",new Error("There are some read requests waitng on finished stream")),this.destroy()},o.prototype.destroy=function(){this._buffers&&(this.writable=!1,this._reads=null,this._buffers=null,this.emit("close"))},o.prototype._processReadAllowingLess=function(e){this._reads.shift();var t=this._buffers[0];t.length>e.length?(this._buffered-=e.length,this._buffers[0]=t.slice(e.length),e.func.call(this,t.slice(0,e.length))):(this._buffered-=t.length,this._buffers.shift(),e.func.call(this,t))},o.prototype._processRead=function(e){this._reads.shift();for(var t=0,n=0,i=new r(e.length);t<e.length;){var a=this._buffers[n++],o=Math.min(a.length,e.length-t);a.copy(i,t,0,o),t+=o,o!==a.length&&(this._buffers[--n]=a.slice(o))}n>0&&this._buffers.splice(0,n),this._buffered-=e.length,e.func.call(this,i)},o.prototype._process=function(){try{for(;this._buffered>0&&this._reads&&this._reads.length>0;){var e=this._reads[0];if(e.allowLess)this._processReadAllowingLess(e);else{if(!(this._buffered>=e.length))break;this._processRead(e)}}this._buffers&&this._buffers.length>0&&null===this._buffers[0]&&this._end()}catch(e){this.emit("error",e)}}}).call(this,e("_process"),e("buffer").Buffer)},{_process:104,buffer:8,stream:121,util:131}],85:[function(e,t,n){"use strict";t.exports={PNG_SIGNATURE:[137,80,78,71,13,10,26,10],TYPE_IHDR:1229472850,TYPE_IEND:1229278788,TYPE_IDAT:1229209940,TYPE_PLTE:1347179589,TYPE_tRNS:1951551059,TYPE_gAMA:1732332865,COLORTYPE_GRAYSCALE:0,COLORTYPE_PALETTE:1,COLORTYPE_COLOR:2,COLORTYPE_ALPHA:4,COLORTYPE_PALETTE_COLOR:3,COLORTYPE_COLOR_ALPHA:6,COLORTYPE_TO_BPP_MAP:{0:1,2:3,3:1,4:2,6:4},GAMMA_DIVISION:1e5}},{}],86:[function(e,t,n){"use strict";var r=[];!function(){for(var e=0;e<256;e++){for(var t=e,n=0;n<8;n++)1&t?t=3988292384^t>>>1:t>>>=1;r[e]=t}}();var i=t.exports=function(){this._crc=-1};i.prototype.write=function(e){for(var t=0;t<e.length;t++)this._crc=r[255&(this._crc^e[t])]^this._crc>>>8;return!0},i.prototype.crc32=function(){return-1^this._crc},i.crc32=function(e){for(var t=-1,n=0;n<e.length;n++)t=r[255&(t^e[n])]^t>>>8;return-1^t}},{}],87:[function(e,t,n){(function(n){"use strict";var r=e("./paeth-predictor");var i={0:function(e,t,n,r,i){e.copy(r,i,t,t+n)},1:function(e,t,n,r,i,a){for(var o=0;o<n;o++){var s=o>=a?e[t+o-a]:0,u=e[t+o]-s;r[i+o]=u}},2:function(e,t,n,r,i){for(var a=0;a<n;a++){var o=t>0?e[t+a-n]:0,s=e[t+a]-o;r[i+a]=s}},3:function(e,t,n,r,i,a){for(var o=0;o<n;o++){var s=o>=a?e[t+o-a]:0,u=t>0?e[t+o-n]:0,l=e[t+o]-(s+u>>1);r[i+o]=l}},4:function(e,t,n,i,a,o){for(var s=0;s<n;s++){var u=s>=o?e[t+s-o]:0,l=t>0?e[t+s-n]:0,f=t>0&&s>=o?e[t+s-(n+o)]:0,c=e[t+s]-r(u,l,f);i[a+s]=c}}},a={0:function(e,t,n){for(var r=0,i=t+n,a=t;a<i;a++)r+=Math.abs(e[a]);return r},1:function(e,t,n,r){for(var i=0,a=0;a<n;a++){var o=a>=r?e[t+a-r]:0,s=e[t+a]-o;i+=Math.abs(s)}return i},2:function(e,t,n){for(var r=0,i=t+n,a=t;a<i;a++){var o=t>0?e[a-n]:0,s=e[a]-o;r+=Math.abs(s)}return r},3:function(e,t,n,r){for(var i=0,a=0;a<n;a++){var o=a>=r?e[t+a-r]:0,s=t>0?e[t+a-n]:0,u=e[t+a]-(o+s>>1);i+=Math.abs(u)}return i},4:function(e,t,n,i){for(var a=0,o=0;o<n;o++){var s=o>=i?e[t+o-i]:0,u=t>0?e[t+o-n]:0,l=t>0&&o>=i?e[t+o-(n+i)]:0,f=e[t+o]-r(s,u,l);a+=Math.abs(f)}return a}};t.exports=function(e,t,r,o,s){var u;if("filterType"in o&&-1!==o.filterType){if("number"!=typeof o.filterType)throw new Error("unrecognised filter types");u=[o.filterType]}else u=[0,1,2,3,4];for(var l=t*s,f=0,c=0,h=new n((l+1)*r),p=u[0],d=0;d<r;d++){if(u.length>1)for(var g=1/0,v=0;v<u.length;v++){var m=a[u[v]](e,c,l,s);m<g&&(p=u[v],g=m)}h[f]=p,f++,i[p](e,c,l,h,f,s),f+=l,c+=l}return h}}).call(this,e("buffer").Buffer)},{"./paeth-predictor":96,buffer:8}],88:[function(e,t,n){(function(n){"use strict";var r=e("util"),i=e("./chunkstream"),a=e("./filter-parse"),o=t.exports=function(e){i.call(this);var t=[],r=this;this._filter=new a(e,{read:this.read.bind(this),write:function(e){t.push(e)},complete:function(){r.emit("complete",n.concat(t))}}),this._filter.start()};r.inherits(o,i)}).call(this,e("buffer").Buffer)},{"./chunkstream":84,"./filter-parse":90,buffer:8,util:131}],89:[function(e,t,n){(function(t){"use strict";var r=e("./sync-reader"),i=e("./filter-parse");n.process=function(e,n){var a=[],o=new r(e);return new i(n,{read:o.read.bind(o),write:function(e){a.push(e)},complete:function(){}}).start(),o.process(),t.concat(a)}}).call(this,e("buffer").Buffer)},{"./filter-parse":90,"./sync-reader":102,buffer:8}],90:[function(e,t,n){(function(n){"use strict";var r=e("./interlace"),i=e("./paeth-predictor");function a(e,t,n){var r=e*t;return 8!==n&&(r=Math.ceil(r/(8/n))),r}var o=t.exports=function(e,t){var n=e.width,i=e.height,o=e.interlace,s=e.bpp,u=e.depth;if(this.read=t.read,this.write=t.write,this.complete=t.complete,this._imageIndex=0,this._images=[],o)for(var l=r.getImagePasses(n,i),f=0;f<l.length;f++)this._images.push({byteWidth:a(l[f].width,s,u),height:l[f].height,lineIndex:0});else this._images.push({byteWidth:a(n,s,u),height:i,lineIndex:0});this._xComparison=8===u?s:16===u?2*s:1};o.prototype.start=function(){this.read(this._images[this._imageIndex].byteWidth+1,this._reverseFilterLine.bind(this))},o.prototype._unFilterType1=function(e,t,n){for(var r=this._xComparison,i=r-1,a=0;a<n;a++){var o=e[1+a],s=a>i?t[a-r]:0;t[a]=o+s}},o.prototype._unFilterType2=function(e,t,n){for(var r=this._lastLine,i=0;i<n;i++){var a=e[1+i],o=r?r[i]:0;t[i]=a+o}},o.prototype._unFilterType3=function(e,t,n){for(var r=this._xComparison,i=r-1,a=this._lastLine,o=0;o<n;o++){var s=e[1+o],u=a?a[o]:0,l=o>i?t[o-r]:0,f=Math.floor((l+u)/2);t[o]=s+f}},o.prototype._unFilterType4=function(e,t,n){for(var r=this._xComparison,a=r-1,o=this._lastLine,s=0;s<n;s++){var u=e[1+s],l=o?o[s]:0,f=s>a?t[s-r]:0,c=s>a&&o?o[s-r]:0,h=i(f,l,c);t[s]=u+h}},o.prototype._reverseFilterLine=function(e){var t,r=e[0],i=this._images[this._imageIndex],a=i.byteWidth;if(0===r)t=e.slice(1,a+1);else switch(t=new n(a),r){case 1:this._unFilterType1(e,t,a);break;case 2:this._unFilterType2(e,t,a);break;case 3:this._unFilterType3(e,t,a);break;case 4:this._unFilterType4(e,t,a);break;default:throw new Error("Unrecognised filter type - "+r)}this.write(t),i.lineIndex++,i.lineIndex>=i.height?(this._lastLine=null,this._imageIndex++,i=this._images[this._imageIndex]):this._lastLine=t,i?this.read(i.byteWidth+1,this._reverseFilterLine.bind(this)):(this._lastLine=null,this.complete())}}).call(this,e("buffer").Buffer)},{"./interlace":92,"./paeth-predictor":96,buffer:8}],91:[function(e,t,n){(function(e){"use strict";t.exports=function(t,n){var r=n.depth,i=n.width,a=n.height,o=n.colorType,s=n.transColor,u=n.palette,l=t;return 3===o?function(e,t,n,r,i){for(var a=0,o=0;o<r;o++)for(var s=0;s<n;s++){var u=i[e[a]];if(!u)throw new Error("index "+e[a]+" not in palette");for(var l=0;l<4;l++)t[a+l]=u[l];a+=4}}(t,l,i,a,u):(s&&function(e,t,n,r,i){for(var a=0,o=0;o<r;o++)for(var s=0;s<n;s++){var u=!1;if(1===i.length?i[0]===e[a]&&(u=!0):i[0]===e[a]&&i[1]===e[a+1]&&i[2]===e[a+2]&&(u=!0),u)for(var l=0;l<4;l++)t[a+l]=0;a+=4}}(t,l,i,a,s),8!==r&&(16===r&&(l=new e(i*a*4)),function(e,t,n,r,i){for(var a=Math.pow(2,i)-1,o=0,s=0;s<r;s++)for(var u=0;u<n;u++){for(var l=0;l<4;l++)t[o+l]=Math.floor(255*e[o+l]/a+.5);o+=4}}(t,l,i,a,r))),l}}).call(this,e("buffer").Buffer)},{buffer:8}],92:[function(e,t,n){"use strict";var r=[{x:[0],y:[0]},{x:[4],y:[0]},{x:[0,4],y:[4]},{x:[2,6],y:[0,4]},{x:[0,2,4,6],y:[2,6]},{x:[1,3,5,7],y:[0,2,4,6]},{x:[0,1,2,3,4,5,6,7],y:[1,3,5,7]}];n.getImagePasses=function(e,t){for(var n=[],i=e%8,a=t%8,o=(e-i)/8,s=(t-a)/8,u=0;u<r.length;u++){for(var l=r[u],f=o*l.x.length,c=s*l.y.length,h=0;h<l.x.length&&l.x[h]<i;h++)f++;for(h=0;h<l.y.length&&l.y[h]<a;h++)c++;f>0&&c>0&&n.push({width:f,height:c,index:u})}return n},n.getInterlaceIterator=function(e){return function(t,n,i){var a=t%r[i].x.length,o=(t-a)/r[i].x.length*8+r[i].x[a],s=n%r[i].y.length;return 4*o+((n-s)/r[i].y.length*8+r[i].y[s])*e*4}}},{}],93:[function(e,t,n){(function(n){"use strict";var r=e("util"),i=e("stream"),a=e("./constants"),o=e("./packer"),s=t.exports=function(e){i.call(this);var t=e||{};this._packer=new o(t),this._deflate=this._packer.createDeflate(),this.readable=!0};r.inherits(s,i),s.prototype.pack=function(e,t,r,i){this.emit("data",new n(a.PNG_SIGNATURE)),this.emit("data",this._packer.packIHDR(t,r)),i&&this.emit("data",this._packer.packGAMA(i));var o=this._packer.filterData(e,t,r);this._deflate.on("error",this.emit.bind(this,"error")),this._deflate.on("data",function(e){this.emit("data",this._packer.packIDAT(e))}.bind(this)),this._deflate.on("end",function(){this.emit("data",this._packer.packIEND()),this.emit("end")}.bind(this)),this._deflate.end(o)}}).call(this,e("buffer").Buffer)},{"./constants":85,"./packer":95,buffer:8,stream:121,util:131}],94:[function(e,t,n){(function(n){"use strict";var r=!0,i=e("zlib");i.deflateSync||(r=!1);var a=e("./constants"),o=e("./packer");t.exports=function(e,t){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var s=new o(t||{}),u=[];u.push(new n(a.PNG_SIGNATURE)),u.push(s.packIHDR(e.width,e.height)),e.gamma&&u.push(s.packGAMA(e.gamma));var l=s.filterData(e.data,e.width,e.height),f=i.deflateSync(l,s.getDeflateOptions());if(l=null,!f||!f.length)throw new Error("bad png - invalid compressed data response");return u.push(s.packIDAT(f)),u.push(s.packIEND()),n.concat(u)}}).call(this,e("buffer").Buffer)},{"./constants":85,"./packer":95,buffer:8,zlib:6}],95:[function(e,t,n){(function(n){"use strict";var r=e("./constants"),i=e("./crc"),a=e("./bitpacker"),o=e("./filter-pack"),s=e("zlib"),u=t.exports=function(e){if(this._options=e,e.deflateChunkSize=e.deflateChunkSize||32768,e.deflateLevel=null!=e.deflateLevel?e.deflateLevel:9,e.deflateStrategy=null!=e.deflateStrategy?e.deflateStrategy:3,e.inputHasAlpha=null==e.inputHasAlpha||e.inputHasAlpha,e.deflateFactory=e.deflateFactory||s.createDeflate,e.bitDepth=e.bitDepth||8,e.colorType="number"==typeof e.colorType?e.colorType:r.COLORTYPE_COLOR_ALPHA,e.colorType!==r.COLORTYPE_COLOR&&e.colorType!==r.COLORTYPE_COLOR_ALPHA)throw new Error("option color type:"+e.colorType+" is not supported at present");if(8!==e.bitDepth)throw new Error("option bit depth:"+e.bitDepth+" is not supported at present")};u.prototype.getDeflateOptions=function(){return{chunkSize:this._options.deflateChunkSize,level:this._options.deflateLevel,strategy:this._options.deflateStrategy}},u.prototype.createDeflate=function(){return this._options.deflateFactory(this.getDeflateOptions())},u.prototype.filterData=function(e,t,n){var i=a(e,t,n,this._options),s=r.COLORTYPE_TO_BPP_MAP[this._options.colorType];return o(i,t,n,this._options,s)},u.prototype._packChunk=function(e,t){var r=t?t.length:0,a=new n(r+12);return a.writeUInt32BE(r,0),a.writeUInt32BE(e,4),t&&t.copy(a,8),a.writeInt32BE(i.crc32(a.slice(4,a.length-4)),a.length-4),a},u.prototype.packGAMA=function(e){var t=new n(4);return t.writeUInt32BE(Math.floor(e*r.GAMMA_DIVISION),0),this._packChunk(r.TYPE_gAMA,t)},u.prototype.packIHDR=function(e,t){var i=new n(13);return i.writeUInt32BE(e,0),i.writeUInt32BE(t,4),i[8]=this._options.bitDepth,i[9]=this._options.colorType,i[10]=0,i[11]=0,i[12]=0,this._packChunk(r.TYPE_IHDR,i)},u.prototype.packIDAT=function(e){return this._packChunk(r.TYPE_IDAT,e)},u.prototype.packIEND=function(){return this._packChunk(r.TYPE_IEND,null)}}).call(this,e("buffer").Buffer)},{"./bitpacker":83,"./constants":85,"./crc":86,"./filter-pack":87,buffer:8,zlib:6}],96:[function(e,t,n){"use strict";t.exports=function(e,t,n){var r=e+t-n,i=Math.abs(r-e),a=Math.abs(r-t),o=Math.abs(r-n);return i<=a&&i<=o?e:a<=o?t:n}},{}],97:[function(e,t,n){"use strict";var r=e("util"),i=e("zlib"),a=e("./chunkstream"),o=e("./filter-parse-async"),s=e("./parser"),u=e("./bitmapper"),l=e("./format-normaliser"),f=t.exports=function(e){a.call(this),this._parser=new s(e,{read:this.read.bind(this),error:this._handleError.bind(this),metadata:this._handleMetaData.bind(this),gamma:this.emit.bind(this,"gamma"),palette:this._handlePalette.bind(this),transColor:this._handleTransColor.bind(this),finished:this._finished.bind(this),inflateData:this._inflateData.bind(this)}),this._options=e,this.writable=!0,this._parser.start()};r.inherits(f,a),f.prototype._handleError=function(e){this.emit("error",e),this.writable=!1,this.destroy(),this._inflate&&this._inflate.destroy&&this._inflate.destroy(),this.errord=!0},f.prototype._inflateData=function(e){this._inflate||(this._inflate=i.createInflate(),this._inflate.on("error",this.emit.bind(this,"error")),this._filter.on("complete",this._complete.bind(this)),this._inflate.pipe(this._filter)),this._inflate.write(e)},f.prototype._handleMetaData=function(e){this.emit("metadata",e),this._bitmapInfo=Object.create(e),this._filter=new o(this._bitmapInfo)},f.prototype._handleTransColor=function(e){this._bitmapInfo.transColor=e},f.prototype._handlePalette=function(e){this._bitmapInfo.palette=e},f.prototype._finished=function(){this.errord||(this._inflate?this._inflate.end():this.emit("error","No Inflate block"),this.destroySoon())},f.prototype._complete=function(e){if(!this.errord){try{var t=u.dataToBitMap(e,this._bitmapInfo),n=l(t,this._bitmapInfo);t=null}catch(e){return void this._handleError(e)}this.emit("parsed",n)}}},{"./bitmapper":82,"./chunkstream":84,"./filter-parse-async":88,"./format-normaliser":91,"./parser":99,util:131,zlib:6}],98:[function(e,t,n){(function(n){"use strict";var r=!0,i=e("zlib");i.deflateSync||(r=!1);var a=e("./sync-reader"),o=e("./filter-parse-sync"),s=e("./parser"),u=e("./bitmapper"),l=e("./format-normaliser");t.exports=function(e,t){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var f,c,h;var p=[];var d=new a(e);if(new s(t,{read:d.read.bind(d),error:function(e){f=e},metadata:function(e){c=e},gamma:function(e){h=e},palette:function(e){c.palette=e},transColor:function(e){c.transColor=e},inflateData:function(e){p.push(e)}}).start(),d.process(),f)throw f;var g=n.concat(p);p.length=0;var v=i.inflateSync(g);if(g=null,!v||!v.length)throw new Error("bad png - invalid inflate data response");var m=o.process(v,c);g=null;var _=u.dataToBitMap(m,c);m=null;var w=l(_,c);return c.data=w,c.gamma=h||0,c}}).call(this,e("buffer").Buffer)},{"./bitmapper":82,"./filter-parse-sync":89,"./format-normaliser":91,"./parser":99,"./sync-reader":102,buffer:8,zlib:6}],99:[function(e,t,n){(function(n){"use strict";var r=e("./constants"),i=e("./crc"),a=t.exports=function(e,t){this._options=e,e.checkCRC=!1!==e.checkCRC,this._hasIHDR=!1,this._hasIEND=!1,this._palette=[],this._colorType=0,this._chunks={},this._chunks[r.TYPE_IHDR]=this._handleIHDR.bind(this),this._chunks[r.TYPE_IEND]=this._handleIEND.bind(this),this._chunks[r.TYPE_IDAT]=this._handleIDAT.bind(this),this._chunks[r.TYPE_PLTE]=this._handlePLTE.bind(this),this._chunks[r.TYPE_tRNS]=this._handleTRNS.bind(this),this._chunks[r.TYPE_gAMA]=this._handleGAMA.bind(this),this.read=t.read,this.error=t.error,this.metadata=t.metadata,this.gamma=t.gamma,this.transColor=t.transColor,this.palette=t.palette,this.parsed=t.parsed,this.inflateData=t.inflateData,this.inflateData=t.inflateData,this.finished=t.finished};a.prototype.start=function(){this.read(r.PNG_SIGNATURE.length,this._parseSignature.bind(this))},a.prototype._parseSignature=function(e){for(var t=r.PNG_SIGNATURE,n=0;n<t.length;n++)if(e[n]!==t[n])return void this.error(new Error("Invalid file signature"));this.read(8,this._parseChunkBegin.bind(this))},a.prototype._parseChunkBegin=function(e){for(var t=e.readUInt32BE(0),a=e.readUInt32BE(4),o="",s=4;s<8;s++)o+=String.fromCharCode(e[s]);var u=Boolean(32&e[4]);if(this._hasIHDR||a===r.TYPE_IHDR){if(this._crc=new i,this._crc.write(new n(o)),this._chunks[a])return this._chunks[a](t);u?this.read(t+4,this._skipChunk.bind(this)):this.error(new Error("Unsupported critical chunk type "+o))}else this.error(new Error("Expected IHDR on beggining"))},a.prototype._skipChunk=function(){this.read(8,this._parseChunkBegin.bind(this))},a.prototype._handleChunkEnd=function(){this.read(4,this._parseChunkEnd.bind(this))},a.prototype._parseChunkEnd=function(e){var t=e.readInt32BE(0),n=this._crc.crc32();this._options.checkCRC&&n!==t?this.error(new Error("Crc error - "+t+" - "+n)):this._hasIEND||this.read(8,this._parseChunkBegin.bind(this))},a.prototype._handleIHDR=function(e){this.read(e,this._parseIHDR.bind(this))},a.prototype._parseIHDR=function(e){this._crc.write(e);var t=e.readUInt32BE(0),n=e.readUInt32BE(4),i=e[8],a=e[9],o=e[10],s=e[11],u=e[12];if(8===i||4===i||2===i||1===i||16===i)if(a in r.COLORTYPE_TO_BPP_MAP)if(0===o)if(0===s)if(0===u||1===u){this._colorType=a;var l=r.COLORTYPE_TO_BPP_MAP[this._colorType];this._hasIHDR=!0,this.metadata({width:t,height:n,depth:i,interlace:Boolean(u),palette:Boolean(a&r.COLORTYPE_PALETTE),color:Boolean(a&r.COLORTYPE_COLOR),alpha:Boolean(a&r.COLORTYPE_ALPHA),bpp:l,colorType:a}),this._handleChunkEnd()}else this.error(new Error("Unsupported interlace method"));else this.error(new Error("Unsupported filter method"));else this.error(new Error("Unsupported compression method"));else this.error(new Error("Unsupported color type"));else this.error(new Error("Unsupported bit depth "+i))},a.prototype._handlePLTE=function(e){this.read(e,this._parsePLTE.bind(this))},a.prototype._parsePLTE=function(e){this._crc.write(e);for(var t=Math.floor(e.length/3),n=0;n<t;n++)this._palette.push([e[3*n],e[3*n+1],e[3*n+2],255]);this.palette(this._palette),this._handleChunkEnd()},a.prototype._handleTRNS=function(e){this.read(e,this._parseTRNS.bind(this))},a.prototype._parseTRNS=function(e){if(this._crc.write(e),this._colorType===r.COLORTYPE_PALETTE_COLOR){if(0===this._palette.length)return void this.error(new Error("Transparency chunk must be after palette"));if(e.length>this._palette.length)return void this.error(new Error("More transparent colors than palette size"));for(var t=0;t<e.length;t++)this._palette[t][3]=e[t];this.palette(this._palette)}this._colorType===r.COLORTYPE_GRAYSCALE&&this.transColor([e.readUInt16BE(0)]),this._colorType===r.COLORTYPE_COLOR&&this.transColor([e.readUInt16BE(0),e.readUInt16BE(2),e.readUInt16BE(4)]),this._handleChunkEnd()},a.prototype._handleGAMA=function(e){this.read(e,this._parseGAMA.bind(this))},a.prototype._parseGAMA=function(e){this._crc.write(e),this.gamma(e.readUInt32BE(0)/r.GAMMA_DIVISION),this._handleChunkEnd()},a.prototype._handleIDAT=function(e){this.read(-e,this._parseIDAT.bind(this,e))},a.prototype._parseIDAT=function(e,t){if(this._crc.write(t),this._colorType===r.COLORTYPE_PALETTE_COLOR&&0===this._palette.length)throw new Error("Expected palette not found");this.inflateData(t);var n=e-t.length;n>0?this._handleIDAT(n):this._handleChunkEnd()},a.prototype._handleIEND=function(e){this.read(e,this._parseIEND.bind(this))},a.prototype._parseIEND=function(e){this._crc.write(e),this._hasIEND=!0,this._handleChunkEnd(),this.finished&&this.finished()}}).call(this,e("buffer").Buffer)},{"./constants":85,"./crc":86,buffer:8}],100:[function(e,t,n){"use strict";var r=e("./parser-sync"),i=e("./packer-sync");n.read=function(e,t){return r(e,t||{})},n.write=function(e){return i(e)}},{"./packer-sync":94,"./parser-sync":98}],101:[function(e,t,n){(function(t,r){"use strict";var i=e("util"),a=e("stream"),o=e("./parser-async"),s=e("./packer-async"),u=e("./png-sync"),l=n.PNG=function(e){a.call(this),e=e||{},this.width=e.width||0,this.height=e.height||0,this.data=this.width>0&&this.height>0?new r(4*this.width*this.height):null,e.fill&&this.data&&this.data.fill(0),this.gamma=0,this.readable=this.writable=!0,this._parser=new o(e),this._parser.on("error",this.emit.bind(this,"error")),this._parser.on("close",this._handleClose.bind(this)),this._parser.on("metadata",this._metadata.bind(this)),this._parser.on("gamma",this._gamma.bind(this)),this._parser.on("parsed",function(e){this.data=e,this.emit("parsed",e)}.bind(this)),this._packer=new s(e),this._packer.on("data",this.emit.bind(this,"data")),this._packer.on("end",this.emit.bind(this,"end")),this._parser.on("close",this._handleClose.bind(this)),this._packer.on("error",this.emit.bind(this,"error"))};i.inherits(l,a),l.sync=u,l.prototype.pack=function(){return this.data&&this.data.length?(t.nextTick(function(){this._packer.pack(this.data,this.width,this.height,this.gamma)}.bind(this)),this):(this.emit("error","No data provided"),this)},l.prototype.parse=function(e,t){var n,r;t&&(n=function(e){this.removeListener("error",r),this.data=e,t(null,this)}.bind(this),r=function(e){this.removeListener("parsed",n),t(e,null)}.bind(this),this.once("parsed",n),this.once("error",r));return this.end(e),this},l.prototype.write=function(e){return this._parser.write(e),!0},l.prototype.end=function(e){this._parser.end(e)},l.prototype._metadata=function(e){this.width=e.width,this.height=e.height,this.emit("metadata",e)},l.prototype._gamma=function(e){this.gamma=e},l.prototype._handleClose=function(){this._parser.writable||this._packer.readable||this.emit("close")},l.bitblt=function(e,t,n,r,i,a,o,s){if(n>e.width||r>e.height||n+i>e.width||r+a>e.height)throw new Error("bitblt reading outside image");if(o>t.width||s>t.height||o+i>t.width||s+a>t.height)throw new Error("bitblt writing outside image");for(var u=0;u<a;u++)e.data.copy(t.data,(s+u)*t.width+o<<2,(r+u)*e.width+n<<2,(r+u)*e.width+n+i<<2)},l.prototype.bitblt=function(e,t,n,r,i,a,o){return l.bitblt(this,e,t,n,r,i,a,o),this},l.adjustGamma=function(e){if(e.gamma){for(var t=0;t<e.height;t++)for(var n=0;n<e.width;n++)for(var r=e.width*t+n<<2,i=0;i<3;i++){var a=e.data[r+i]/255;a=Math.pow(a,1/2.2/e.gamma),e.data[r+i]=Math.round(255*a)}e.gamma=0}},l.prototype.adjustGamma=function(){l.adjustGamma(this)}}).call(this,e("_process"),e("buffer").Buffer)},{"./packer-async":93,"./parser-async":97,"./png-sync":100,_process:104,buffer:8,stream:121,util:131}],102:[function(e,t,n){"use strict";var r=t.exports=function(e){this._buffer=e,this._reads=[]};r.prototype.read=function(e,t){this._reads.push({length:Math.abs(e),allowLess:e<0,func:t})},r.prototype.process=function(){for(;this._reads.length>0&&this._buffer.length;){var e=this._reads[0];if(!this._buffer.length||!(this._buffer.length>=e.length||e.allowLess))break;this._reads.shift();var t=this._buffer;this._buffer=t.slice(e.length),e.func.call(this,t.slice(0,e.length))}return this._reads.length>0?new Error("There are some read requests waitng on finished stream"):this._buffer.length>0?new Error("unrecognised content at end of stream"):void 0}},{}],103:[function(e,t,n){(function(e){"use strict";!e.version||0===e.version.indexOf("v0.")||0===e.version.indexOf("v1.")&&0!==e.version.indexOf("v1.8.")?t.exports=function(t,n,r,i){if("function"!=typeof t)throw new TypeError('"callback" argument must be a function');var a,o,s=arguments.length;switch(s){case 0:case 1:return e.nextTick(t);case 2:return e.nextTick(function(){t.call(null,n)});case 3:return e.nextTick(function(){t.call(null,n,r)});case 4:return e.nextTick(function(){t.call(null,n,r,i)});default:for(a=new Array(s-1),o=0;o<a.length;)a[o++]=arguments[o];return e.nextTick(function(){t.apply(null,a)})}}:t.exports=e.nextTick}).call(this,e("_process"))},{_process:104}],104:[function(e,t,n){var r,i,a=t.exports={};function o(){throw new Error("setTimeout has not been defined")}function s(){throw new Error("clearTimeout has not been defined")}function 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f=u[l];c.prototype[f]||(c.prototype[f]=s.prototype[f])}function c(e){if(!(this instanceof c))return new c(e);o.call(this,e),s.call(this,e),e&&!1===e.readable&&(this.readable=!1),e&&!1===e.writable&&(this.writable=!1),this.allowHalfOpen=!0,e&&!1===e.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",h)}function h(){this.allowHalfOpen||this._writableState.ended||i(p,this)}function p(e){e.end()}},{"./_stream_readable":108,"./_stream_writable":110,"core-util-is":22,inherits:52,"process-nextick-args":103}],107:[function(e,t,n){"use strict";t.exports=a;var r=e("./_stream_transform"),i=e("core-util-is");function a(e){if(!(this instanceof a))return new a(e);r.call(this,e)}i.inherits=e("inherits"),i.inherits(a,r),a.prototype._transform=function(e,t,n){n(null,e)}},{"./_stream_transform":109,"core-util-is":22,inherits:52}],108:[function(e,t,n){(function(n){"use strict";t.exports=m;var r,i=e("process-nextick-args"),a=e("isarray");m.ReadableState=v;e("events").EventEmitter;var 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E=8*y;0!=k[1+E]||0!=k[2+E]||0!=k[3+E]||0!=k[4+E]||0!=k[5+E]||0!=k[6+E]||0!=k[7+E]?(h=s*k[0+E]+128>>8,p=s*k[4+E]+128>>8,d=k[2+E],g=k[6+E],v=u*(k[1+E]-k[7+E])+128>>8,w=u*(k[1+E]+k[7+E])+128>>8,m=k[3+E]<<4,_=k[5+E]<<4,b=h-p+1>>1,h=h+p+1>>1,p=b,b=d*o+g*a+128>>8,d=d*a-g*o+128>>8,g=b,b=v-_+1>>1,v=v+_+1>>1,_=b,b=w+m+1>>1,m=w-m+1>>1,w=b,b=h-g+1>>1,h=h+g+1>>1,g=b,b=p-d+1>>1,p=p+d+1>>1,d=b,b=v*i+w*r+2048>>12,v=v*r-w*i+2048>>12,w=b,b=m*n+_*t+2048>>12,m=m*t-_*n+2048>>12,_=b,k[0+E]=h+w,k[7+E]=h-w,k[1+E]=p+_,k[6+E]=p-_,k[2+E]=d+m,k[5+E]=d-m,k[3+E]=g+v,k[4+E]=g-v):(b=s*k[0+E]+512>>10,k[0+E]=b,k[1+E]=b,k[2+E]=b,k[3+E]=b,k[4+E]=b,k[5+E]=b,k[6+E]=b,k[7+E]=b)}for(y=0;y<8;++y){var A=y;0!=k[8+A]||0!=k[16+A]||0!=k[24+A]||0!=k[32+A]||0!=k[40+A]||0!=k[48+A]||0!=k[56+A]?(h=s*k[0+A]+2048>>12,p=s*k[32+A]+2048>>12,d=k[16+A],g=k[48+A],v=u*(k[8+A]-k[56+A])+2048>>12,w=u*(k[8+A]+k[56+A])+2048>>12,m=k[24+A],_=k[40+A],b=h-p+1>>1,h=h+p+1>>1,p=b,b=d*o+g*a+2048>>12,d=d*a-g*o+2048>>12,g=b,b=v-_+1>>1,v=v+_+1>>1,_=b,b=w+m+1>>1,m=w-m+1>>1,w=b,b=h-g+1>>1,h=h+g+1>>1,g=b,b=p-d+1>>1,p=p+d+1>>1,d=b,b=v*i+w*r+2048>>12,v=v*r-w*i+2048>>12,w=b,b=m*n+_*t+2048>>12,m=m*t-_*n+2048>>12,_=b,k[0+A]=h+w,k[56+A]=h-w,k[8+A]=p+_,k[48+A]=p-_,k[16+A]=d+m,k[40+A]=d-m,k[24+A]=g+v,k[32+A]=g-v):(b=s*c[y+0]+8192>>14,k[0+A]=b,k[8+A]=b,k[16+A]=b,k[24+A]=b,k[32+A]=b,k[40+A]=b,k[48+A]=b,k[56+A]=b)}for(y=0;y<64;++y){var S=128+(k[y]+8>>4);f[y]=S<0?0:S>255?255:S}}for(var w=0;w<d;w++){var b=w<<3;for(f=0;f<8;f++)h.push(new Uint8Array(g));for(var y=0;y<p;y++){_(l.blocks[w][y],m,v);var x=0,k=y<<3;for(c=0;c<8;c++){var E=h[b+c];for(f=0;f<8;f++)E[k+f]=m[x++]}}}return h}function p(e){return e<0?0:e>255?255:e}return l.prototype={load:function(e){var t=new XMLHttpRequest;t.open("GET",e,!0),t.responseType="arraybuffer",t.onload=function(){var e=new Uint8Array(t.response||t.mozResponseArrayBuffer);this.parse(e),this.onload&&this.onload()}.bind(this),t.send(null)},parse:function(t){var n=0;t.length;function r(){var e=t[n]<<8|t[n+1];return n+=2,e}function i(){var e=r(),i=t.subarray(n,n+e-2);return n+=i.length,i}function a(e){var t,n,r=0,i=0;for(n in e.components)e.components.hasOwnProperty(n)&&(r<(t=e.components[n]).h&&(r=t.h),i<t.v&&(i=t.v));var a=Math.ceil(e.samplesPerLine/8/r),o=Math.ceil(e.scanLines/8/i);for(n in e.components)if(e.components.hasOwnProperty(n)){t=e.components[n];for(var s=Math.ceil(Math.ceil(e.samplesPerLine/8)*t.h/r),u=Math.ceil(Math.ceil(e.scanLines/8)*t.v/i),l=a*t.h,f=o*t.v,c=[],h=0;h<f;h++){for(var p=[],d=0;d<l;d++)p.push(new Int32Array(64));c.push(p)}t.blocksPerLine=s,t.blocksPerColumn=u,t.blocks=c}e.maxH=r,e.maxV=i,e.mcusPerLine=a,e.mcusPerColumn=o}var o,s,u=null,l=null,p=[],d=[],g=[],v=[],m=r();if(65496!=m)throw"SOI not found";for(m=r();65497!=m;){var _;switch(m){case 65280:break;case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var w=i();65504===m&&74===w[0]&&70===w[1]&&73===w[2]&&70===w[3]&&0===w[4]&&(u={version:{major:w[5],minor:w[6]},densityUnits:w[7],xDensity:w[8]<<8|w[9],yDensity:w[10]<<8|w[11],thumbWidth:w[12],thumbHeight:w[13],thumbData:w.subarray(14,14+3*w[12]*w[13])}),65518===m&&65===w[0]&&100===w[1]&&111===w[2]&&98===w[3]&&101===w[4]&&0===w[5]&&(l={version:w[6],flags0:w[7]<<8|w[8],flags1:w[9]<<8|w[10],transformCode:w[11]});break;case 65499:for(var b=r()+n-2;n<b;){var y=t[n++],x=new Int32Array(64);if(y>>4==0)for(_=0;_<64;_++){x[e[_]]=t[n++]}else{if(y>>4!=1)throw"DQT: invalid table spec";for(_=0;_<64;_++){x[e[_]]=r()}}p[15&y]=x}break;case 65472:case 65473:case 65474:r(),(o={}).extended=65473===m,o.progressive=65474===m,o.precision=t[n++],o.scanLines=r(),o.samplesPerLine=r(),o.components={},o.componentsOrder=[];var k,E=t[n++];for(U=0;U<E;U++){k=t[n];var A=t[n+1]>>4,S=15&t[n+1],T=t[n+2];o.componentsOrder.push(k),o.components[k]={h:A,v:S,quantizationTable:p[T]},n+=3}a(o),d.push(o);break;case 65476:var M=r();for(U=2;U<M;){var R=t[n++],I=new Uint8Array(16),j=0;for(_=0;_<16;_++,n++)j+=I[_]=t[n];var C=new Uint8Array(j);for(_=0;_<j;_++,n++)C[_]=t[n];U+=17+j,(R>>4==0?v:g)[15&R]=f(I,C)}break;case 65501:r(),s=r();break;case 65498:r();var L=t[n++],B=[];for(U=0;U<L;U++){F=o.components[t[n++]];var D=t[n++];F.huffmanTableDC=v[D>>4],F.huffmanTableAC=g[15&D],B.push(F)}var z=t[n++],P=t[n++],O=t[n++],N=c(t,n,o,B,s,z,P,O>>4,15&O);n+=N;break;default:if(255==t[n-3]&&t[n-2]>=192&&t[n-2]<=254){n-=3;break}throw"unknown JPEG marker "+m.toString(16)}m=r()}if(1!=d.length)throw"only single frame JPEGs supported";this.width=o.samplesPerLine,this.height=o.scanLines,this.jfif=u,this.adobe=l,this.components=[];for(var U=0;U<o.componentsOrder.length;U++){var F=o.components[o.componentsOrder[U]];this.components.push({lines:h(0,F),scaleX:F.h/o.maxH,scaleY:F.v/o.maxV})}},getData:function(e,t){var n,r,i,a,o,s,u,l,f,c,h,d,g,v,m,_,w,b,y,x,k,E=this.width/e,A=this.height/t,S=0,T=e*t*this.components.length,M=new Uint8Array(T);switch(this.components.length){case 1:for(n=this.components[0],c=0;c<t;c++)for(o=n.lines[0|c*n.scaleY*A],f=0;f<e;f++)h=o[0|f*n.scaleX*E],M[S++]=h;break;case 2:for(n=this.components[0],r=this.components[1],c=0;c<t;c++)for(o=n.lines[0|c*n.scaleY*A],s=r.lines[0|c*r.scaleY*A],f=0;f<e;f++)h=o[0|f*n.scaleX*E],M[S++]=h,h=s[0|f*r.scaleX*E],M[S++]=h;break;case 3:for(k=!0,this.adobe&&this.adobe.transformCode?k=!0:void 0!==this.colorTransform&&(k=!!this.colorTransform),n=this.components[0],r=this.components[1],i=this.components[2],c=0;c<t;c++)for(o=n.lines[0|c*n.scaleY*A],s=r.lines[0|c*r.scaleY*A],u=i.lines[0|c*i.scaleY*A],f=0;f<e;f++)k?(h=o[0|f*n.scaleX*E],d=s[0|f*r.scaleX*E],b=p(h+1.402*((g=u[0|f*i.scaleX*E])-128)),y=p(h-.3441363*(d-128)-.71413636*(g-128)),x=p(h+1.772*(d-128))):(b=o[0|f*n.scaleX*E],y=s[0|f*r.scaleX*E],x=u[0|f*i.scaleX*E]),M[S++]=b,M[S++]=y,M[S++]=x;break;case 4:if(!this.adobe)throw"Unsupported color mode (4 components)";for(k=!1,this.adobe&&this.adobe.transformCode?k=!0:void 0!==this.colorTransform&&(k=!!this.colorTransform),n=this.components[0],r=this.components[1],i=this.components[2],a=this.components[3],c=0;c<t;c++)for(o=n.lines[0|c*n.scaleY*A],s=r.lines[0|c*r.scaleY*A],u=i.lines[0|c*i.scaleY*A],l=a.lines[0|c*a.scaleY*A],f=0;f<e;f++)k?(h=o[0|f*n.scaleX*E],d=s[0|f*r.scaleX*E],g=u[0|f*i.scaleX*E],v=l[0|f*a.scaleX*E],m=255-p(h+1.402*(g-128)),_=255-p(h-.3441363*(d-128)-.71413636*(g-128)),w=255-p(h+1.772*(d-128))):(m=o[0|f*n.scaleX*E],_=s[0|f*r.scaleX*E],w=u[0|f*i.scaleX*E],v=l[0|f*a.scaleX*E]),M[S++]=m,M[S++]=_,M[S++]=w,M[S++]=v;break;default:throw"Unsupported color mode"}return M},copyToImageData:function(e){var t,n,r,i,a,o,s,u,l,f=e.width,c=e.height,h=e.data,d=this.getData(f,c),g=0,v=0;switch(this.components.length){case 1:for(n=0;n<c;n++)for(t=0;t<f;t++)r=d[g++],h[v++]=r,h[v++]=r,h[v++]=r,h[v++]=255;break;case 3:for(n=0;n<c;n++)for(t=0;t<f;t++)s=d[g++],u=d[g++],l=d[g++],h[v++]=s,h[v++]=u,h[v++]=l,h[v++]=255;break;case 4:for(n=0;n<c;n++)for(t=0;t<f;t++)a=d[g++],o=d[g++],r=d[g++],s=255-p(a*(1-(i=d[g++])/255)+i),u=255-p(o*(1-i/255)+i),l=255-p(r*(1-i/255)+i),h[v++]=s,h[v++]=u,h[v++]=l,h[v++]=255;break;default:throw"Unsupported color mode"}}},l}();t.exports=function(t){var r=new Uint8Array(t),i=new n;i.parse(r);for(var a=i.getData(i.width,i.height),o=new e(i.width*i.height*4),s=0,u=0;u<o.length;u++)o[u+(u/3|0)]=a[s++],u%4==3&&(o[u]=255);return{data:o,width:i.width,height:i.height}}}).call(this,e("buffer").Buffer)},{buffer:8}],119:[function(e,t,n){(function(e){function n(t){Math.round;var n,r,i,a,o,s=Math.floor,u=new Array(64),l=new Array(64),f=new Array(64),c=new Array(64),h=new Array(65535),p=new Array(65535),d=new Array(64),g=new Array(64),v=[],m=0,_=7,w=new Array(64),b=new Array(64),y=new Array(64),x=new Array(256),k=new Array(2048),E=[0,1,5,6,14,15,27,28,2,4,7,13,16,26,29,42,3,8,12,17,25,30,41,43,9,11,18,24,31,40,44,53,10,19,23,32,39,45,52,54,20,22,33,38,46,51,55,60,21,34,37,47,50,56,59,61,35,36,48,49,57,58,62,63],A=[0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0],S=[0,1,2,3,4,5,6,7,8,9,10,11],T=[0,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125],M=[1,2,3,0,4,17,5,18,33,49,65,6,19,81,97,7,34,113,20,50,129,145,161,8,35,66,177,193,21,82,209,240,36,51,98,114,130,9,10,22,23,24,25,26,37,38,39,40,41,42,52,53,54,55,56,57,58,67,68,69,70,71,72,73,74,83,84,85,86,87,88,89,90,99,100,101,102,103,104,105,106,115,116,117,118,119,120,121,122,131,132,133,134,135,136,137,138,146,147,148,149,150,151,152,153,154,162,163,164,165,166,167,168,169,170,178,179,180,181,182,183,184,185,186,194,195,196,197,198,199,200,201,202,210,211,212,213,214,215,216,217,218,225,226,227,228,229,230,231,232,233,234,241,242,243,244,245,246,247,248,249,250],R=[0,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0],I=[0,1,2,3,4,5,6,7,8,9,10,11],j=[0,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119],C=[0,1,2,3,17,4,5,33,49,6,18,65,81,7,97,113,19,34,50,129,8,20,66,145,161,177,193,9,35,51,82,240,21,98,114,209,10,22,36,52,225,37,241,23,24,25,26,38,39,40,41,42,53,54,55,56,57,58,67,68,69,70,71,72,73,74,83,84,85,86,87,88,89,90,99,100,101,102,103,104,105,106,115,116,117,118,119,120,121,122,130,131,132,133,134,135,136,137,138,146,147,148,149,150,151,152,153,154,162,163,164,165,166,167,168,169,170,178,179,180,181,182,183,184,185,186,194,195,196,197,198,199,200,201,202,210,211,212,213,214,215,216,217,218,226,227,228,229,230,231,232,233,234,242,243,244,245,246,247,248,249,250];function 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i=ImageSequencer({ui:!1});if(window.hasOwnProperty("$"))var a=$(t);else a=document.querySelectorAll(t);for(var o=[],s=0;s<a.length;s++)a[s]instanceof HTMLImageElement&&o.push(a[s]);function u(e,t){var n=e.src,r=n.split("?")[0].split(".").pop(),a=new XMLHttpRequest;function o(n){i.loadImage(n,function(){this.addSteps(t).run({stop:function(){}},function(t){e.src=t})})}a.open("GET",n,!0),a.responseType="arraybuffer",a.onload=function(e){var t,n,i,a=new Uint8Array(this.response),s="";for(t=0,n=a.length;t<n;t+=5e3)i=a.subarray(t,t+5e3),s+=String.fromCharCode.apply(null,i);var u=btoa(s);o("data:image/"+r+";base64,"+u)},"data:image/"!=n.substr(0,11).toLowerCase()?a.send():o(n)}for(s=0;s<o.length;s++)u(o[s],n),s==o.length-1&&r.callback()}},{}],139:[function(e,t,n){t.exports=function(e,t,n,r){return r||(r={stop:function(){}}),function(t){var i=[];for(var a in t)for(var o=e.images[a].steps.length,s=t[a],u=0;u<o-s;u++)i.push({image:a,i:s+u});!function t(i,a){if(a==i.length&&void 0!==i[a-1]){var o=i[a-1].image;if("Function"==e.objTypeOf(n)){var s=e.images[o].steps,u=s[s.length-1].output.src;return n(u),!0}}if(void 0!==i[a]){o=i[a].image;var l=i[a].i,f=e.images[o].steps[l-1].output;e.images[o].steps[l].draw(e.copy(f),function(){t(i,++a)},r)}}(i,0)}(t=function(t){for(var n in t)0==t[n]&&1==e.images[n].steps.length?delete t[n]:0==t[n]&&t[n]++;for(var n in t)for(var r=e.images[n].steps[t[n]-1];void 0===r||void 0===r.output;)r=e.images[n].steps[--t[n]-1];return t}(t))}},{}],140:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).blur=t.blur||2,n.onSetup(t.step),t.step.metadata=t.step.metadata||{},{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[e,t,n,r]},extraManipulation:function(e){for(var n=[0,0,0,0],r=0;r<e.data.length;r+=4)n[0]+=e.data[r+0],n[1]+=e.data[r+1],n[2]+=e.data[r+2],n[3]+=e.data[r+3];for(n[0]=parseInt(n[0]/(e.data.length/4)),n[1]=parseInt(n[1]/(e.data.length/4)),n[2]=parseInt(n[2]/(e.data.length/4)),n[3]=parseInt(n[3]/(e.data.length/4)),r=0;r<e.data.length;r+=4)e.data[r+0]=n[0],e.data[r+1]=n[1],e.data[r+2]=n[2],e.data[r+3]=n[3];return t.step.metadata.averages=n,console.log("average: ",n),e},format:r.format,image:t.image,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],141:[function(e,t,n){t.exports={name:"Average",description:"Average all pixel color",inputs:{}}},{}],142:[function(e,t,n){t.exports=function(e,t){let n=[[2/159,4/159,5/159,4/159,2/159],[4/159,9/159,12/159,9/159,4/159],[5/159,12/159,15/159,12/159,5/159],[4/159,9/159,12/159,9/159,4/159],[2/159,4/159,5/159,4/159,2/159]];n=function(e){let t=[];for(let n=e.length-1;n>=0;n--){let r=[];for(let t=e[n].length-1;t>=0;t--)r.push(e[n][t]);t.push(r)}return t}(n);var r=e;for(let t=0;t<e.shape[0];t++)for(let a=0;a<e.shape[1];a++){let o=i([t,a]),s=[0,0,0,0];for(let e=0;e<n.length;e++)for(let t=0;t<n.length;t++)s[0]+=r.get(o[e][t][0],o[e][t][1],0)*n[e][t],s[1]+=r.get(o[e][t][0],o[e][t][1],1)*n[e][t],s[2]+=r.get(o[e][t][0],o[e][t][1],2)*n[e][t],s[3]+=r.get(o[e][t][0],o[e][t][1],3)*n[e][t];e.set(t,a,0,s[0]),e.set(t,a,1,s[1]),e.set(t,a,2,s[2])}return e;function i(e){let t=e[0],n=e[1],r=[];for(let e=-2;e<=2;e++){let i=[];for(let r=-2;r<=2;r++)i.push([t+e,n+r]);r.push(i)}return r}}},{}],143:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).blur=t.blur||2,n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[e,t,n,r]},extraManipulation:function(n){return n=e("./Blur")(n,t.blur)},format:r.format,image:t.image,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171,"./Blur":142}],144:[function(e,t,n){t.exports={name:"Blur",description:"Gaussian blur an image by a given value, typically 0-5",inputs:{blur:{type:"integer",desc:"amount of gaussian blur(Less blur gives more detail, typically 0-5)",default:2}}}},{}],145:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){var a=t.brightness/100;return[e=a*e<255?a*e:255,n=a*n<255?a*n:255,r=a*r<255?a*r:255,i]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],146:[function(e,t,n){t.exports={name:"Brightness",description:"Change the brightness of the image by given percent value",inputs:{brightness:{type:"integer",desc:"% brightness for the new image",default:0}}}},{}],147:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).channel=t.channel||"green",n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){return"red"==t.channel?[e,0,0,i]:"green"==t.channel?[0,n,0,i]:"blue"==t.channel?[0,0,r,i]:void 0},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],148:[function(e,t,n){t.exports={name:"Channel",description:"Displays only one color channel of an image -- default is green",inputs:{channel:{type:"select",desc:"Color channel",default:"green",values:["red","green","blue"]}}}},{}],149:[function(e,t,n){function r(e){return function(t){var n,r,i,a,o,s,u,l,f,c,h,p,d,g;if(s=(h=[0,0])[0],u=h[1],a=(p=[e[0][0],1])[1],t<(i=p[0]))return s;for(n=l=0,c=e.length;l<c;n=++l){if(o=(d=e[n])[0],s=d[1],u=d[2],i=o,n===e.length-1){a=1;break}if(a=e[n+1][0],o<=t&&t<a)break}for(r=[],n=f=0,g=s.length;0<=g?f<g:f>g;n=0<=g?++f:--f)r[n]=(t-i)/(a-i)*(u[n]-s[n])+s[n];return r}}t.exports=function(e,t){return t.colormap=t.colormap||i.default,"object"==typeof t.colormap?colormapFunction=r(t.colormap):i.hasOwnProperty(t.colormap)?colormapFunction=i[t.colormap]:colormapFunction=i.default,colormapFunction(e/255)};var i={greyscale:r([[0,[0,0,0],[255,255,255]],[1,[255,255,255],[255,255,255]]]),default:r([[0,[0,0,255],[0,255,0]],[.25,[0,255,0],[255,255,0]],[.5,[0,255,255],[255,255,0]],[.75,[255,255,0],[255,0,0]]]),ndvi:r([[0,[0,0,255],[38,195,195]],[.5,[0,150,0],[255,255,0]],[.75,[255,255,0],[255,50,50]]]),stretched:r([[0,[0,0,255],[0,0,255]],[.1,[0,0,255],[38,195,195]],[.5,[0,150,0],[255,255,0]],[.7,[255,255,0],[255,50,50]],[.9,[255,50,50],[255,50,50]]]),fastie:r([[0,[255,255,255],[0,0,0]],[.167,[0,0,0],[255,255,255]],[.33,[255,255,255],[0,0,0]],[.5,[0,0,0],[140,140,255]],[.55,[140,140,255],[0,255,0]],[.63,[0,255,0],[255,255,0]],[.75,[255,255,0],[255,0,0]],[.95,[255,0,0],[255,0,255]]])}},{}],150:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(n,r,i,a){var o=(n+r+i)/3,s=e("./Colormap")(o,t);return[s[0],s[1],s[2],255]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171,"./Colormap":149}],151:[function(e,t,n){t.exports={name:"Colormap",description:"Maps brightness values (average of red, green & blue) to a given color lookup table, made up of a set of one more color gradients.\n\nFor example, 'cooler' colors like blue could represent low values, while 'hot' colors like red could represent high values.",inputs:{colormap:{type:"select",desc:"Name of the Colormap",default:"default",values:["default","greyscale","stretched","fastie"]}}}},{}],152:[function(e,t,n){(function(n){t.exports=function(t,r,i){var a=e("get-pixels"),o=e("save-pixels");r.x=parseInt(r.x)||0,r.y=parseInt(r.y)||0,a(t.src,function(e,a){r.w=parseInt(r.w)||Math.floor(.5*a.shape[0]),r.h=parseInt(r.h)||Math.floor(.5*a.shape[1]);for(var s=r.x,u=r.y,l=r.w,f=r.h,c=a.shape[0],h=new Uint8Array(4*l*f),p=u;p<u+f;p++)h.set(a.data.slice(4*p*c+s,4*p*c+s+4*l),4*l*(p-u));a.data=h,a.shape=[l,f,4],a.stride[1]=4*l,r.format=t.format;var d=[],g=0,v=o(a,r.format);v.on("data",function(e){g+=e.length,d.push(e)}),v.on("end",function(){var e=n.concat(d,g).toString("base64"),t="data:image/"+r.format+";base64,"+e;i(t,r.format)})})}}).call(this,e("buffer").Buffer)},{buffer:8,"get-pixels":38,"save-pixels":120}],153:[function(e,t,n){t.exports=function(t,n){if(t=t||{},n.onSetup(t.step),t.step.inBrowser)var r=e("./Ui.js")(t.step,n);var i=!1;return{options:t,draw:function(a,o){n.onDraw(t.step);var s=this;t.step.input=a.src,e("./Crop")(a,t,function(e,a){s.output={src:e,format:a},t.step.output=e,n.onComplete(t.step),r&&r.hide&&r.hide(),!1===i&&t.step.inBrowser&&(i=!0,r.setup()),o()})},output:void 0,UI:n}}},{"./Crop":152,"./Ui.js":154}],154:[function(e,t,n){t.exports=function(e,t){let n=0,r=0;function i(){return e.imgElement}function a(e,t,n,r){let a=$($(i()).parents()[2]).find("input");a[0].value=e,a[1].value=t,a[2].value=n,a[3].value=r}return{setup:function(){e.imgElement.src=e.input,n=Math.floor(i().naturalWidth),r=Math.floor(i().naturalHeight),a(0,0,n,r),$(i()).imgAreaSelect({handles:!0,x1:0,y1:0,x2:0+n/2,y2:0+r/2,onSelectEnd:function(e,t){let o=function(e,t,a,o){let s=$(i()).width(),u=$(i()).height();return[Math.floor(e/s*n),Math.floor(t/u*r),Math.floor(a/s*n),Math.floor(o/u*r)]}(t.x1,t.y1,t.width,t.height);a(o[0],o[1],o[2],o[3])}})},remove:function(){$(i()).imgAreaSelect({remove:!0})},hide:function(){$(i()).imgAreaSelect({hide:!0})}}}},{}],155:[function(e,t,n){t.exports={name:"Crop",description:"Crop image to given x, y, w, h in pixels, measured from top left",url:"https://github.com/publiclab/image-sequencer/tree/master/MODULES.md",inputs:{x:{type:"integer",desc:"X-position (measured from left) from where cropping starts",default:0},y:{type:"integer",desc:"Y-position (measured from top) from where cropping starts",default:0},w:{type:"integer",desc:"Width of crop",default:"(50%)"},h:{type:"integer",desc:"Height of crop",default:"(50%)"}}}},{}],156:[function(e,t,n){t.exports=function(t,n){t=t||{},n.onSetup(t.step);var r=e("jsqr"),i=e("get-pixels");return{options:t,draw:function(e,a){n.onDraw(t.step);var o=this;i(e.src,function(i,s){if(i)throw i;var u=s.shape[0],l=s.shape[1],f=r.decodeQRFromImage(s.data,u,l);o.output=e,o.output.data=f,a(),t.step.output=e.src,t.step.qrval=f,n.onComplete(t.step)})},output:void 0,UI:n}}},{"get-pixels":38,jsqr:56}],157:[function(e,t,n){t.exports={name:"Decode QR",description:"Search for and decode a QR code in the image",inputs:{},outputs:{qrval:{type:"text"}}}},{}],158:[function(require,module,exports){module.exports=function Dynamic(options,UI){var output;function draw(input,callback,progressObj){progressObj.stop(!0),progressObj.overrideFlag=!0,UI.onDraw(options.step);var step=this;function generator(expression){var func="f = function (r, g, b, a) { var R = r, G = g, B = b, A = a;",f;return func+="return ",func=func+expression+"}",eval(func),f}options.monochrome=options.monochrome||"(R+G+B)/3";var channels=["red","green","blue","alpha"];function changePixel(e,t,n,r){return[options.red_function(e,t,n,r),options.green_function(e,t,n,r),options.blue_function(e,t,n,r),options.alpha_function(e,t,n,r)]}function getNeighbourPixel(e,t,n,r,i){return[e.get(t+r,n+i,0),e.get(t+r,n+i,1),e.get(t+r,n+i,2),e.get(t+r,n+i,3)]}function output(e,t,n){step.output={src:t,format:n},options.step.output=t,UI.onComplete(options.step)}return channels.forEach(function(e){options.hasOwnProperty(e)?options[e+"_function"]=generator(options[e]):"alpha"===e?options.alpha_function=function(){return 255}:options[e+"_function"]=generator(options.monochrome)}),require("../_nomodule/PixelManipulation.js")(input,{output:output,changePixel:changePixel,getNeighbourPixel:getNeighbourPixel,getNeighborPixel:getNeighbourPixel,format:input.format,image:options.image,inBrowser:options.inBrowser,callback:callback})}return options=options||{},UI.onSetup(options.step),{options:options,draw:draw,output:output,UI:UI}}},{"../_nomodule/PixelManipulation.js":171}],159:[function(e,t,n){t.exports={name:"Dynamic",description:"A module which accepts JavaScript math expressions to produce each color channel based on the original image's color. See <a href='https://publiclab.org/wiki/infragram-sandbox'>Infragrammar</a>.",inputs:{red:{type:"input",desc:"Expression to return for red channel with R, G, B, and A inputs",default:"r"},green:{type:"input",desc:"Expression to return for green channel with R, G, B, and A inputs",default:"g"},blue:{type:"input",desc:"Expression to return for blue channel with R, G, B, and A inputs",default:"b"},"monochrome (fallback)":{type:"input",desc:"Expression to return with R, G, B, and A inputs; fallback for other channels if none provided",default:"r + g + b"}}}},{}],160:[function(e,t,n){const r=e("lodash"),i=[[-1,0,1],[-2,0,2],[-1,0,1]],a=[[-1,-2,-1],[0,0,0],[1,2,1]];let o,s=[],u=[],l=[],f=[];function c(e,t,n,r,o){let s=0;for(let t=0;t<3;t++)for(let n=0;n<3;n++){let a=r+t-1,u=o+n-1;s+=e.get(a,u,0)*i[t][n]}let u=0;for(let t=0;t<3;t++)for(let n=0;n<3;n++){let i=r+t-1,s=o+n-1;u+=e.get(i,s,0)*a[t][n]}return{pixel:[t,t,t,Math.sqrt(Math.pow(s,2)+Math.pow(u,2))],angle:Math.atan2(u,s)}}t.exports=function(e,t,n,i){o=!i;for(var a=0;a<e.shape[0];a++){s.push([]),u.push([]);for(var d=0;d<e.shape[1];d++){var g=c(e,e.get(a,d,0),e.get(a,d,3),a,d);let t=g.pixel;e.set(a,d,0,t[0]),e.set(a,d,1,t[1]),e.set(a,d,2,t[2]),e.set(a,d,3,t[3]),u.slice(-1)[0].push(t[3]),s.slice(-1)[0].push(g.angle)}}return function(e){function t(e){let t=e[0],n=e[1];return[[t+1,n+1],[t+1,n],[t+1,n-1],[t,n+1],[t,n-1],[t-1,n+1],[t-1,n],[t-1,n-1]]}for(weakPixel in f){let n=t(f[weakPixel]);for(pixel in n)if(l.find(e=>r.isEqual(e,n[pixel]))){e.set(weakPixel[0],weakPixel[1],3,255),f.splice(weakPixel,weakPixel);break}}return f.forEach(t=>e.set(t[0],t[1],3,0)),e}(function(e,t,n){const r=.2*p(u),i=r*n;for(let t=0;t<e.shape[0];t++)for(let n=0;n<e.shape[1];n++){let a=[t,n];u[t][n]>i?u[t][n]>r?l.push(a):f.push(a):e.set(t,n,3,0)}return l.forEach(t=>e.set(t[0],t[1],3,255)),e}(function(e){s=s.map(e=>e.map(h));for(let t=1;t<e.shape[0]-1;t++)for(let n=1;n<e.shape[1]-1;n++){let r=s[t][n];e.get(t,n);r>=-22.5&&r<=22.5||r<-157.5&&r>=-180?u[t][n]>=u[t][n+1]&&u[t][n]>=u[t][n-1]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0):r>=22.5&&r<=67.5||r<-112.5&&r>=-157.5?u[t][n]>=u[t+1][n+1]&&u[t][n]>=u[t-1][n-1]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0):r>=67.5&&r<=112.5||r<-67.5&&r>=-112.5?u[t][t]>=u[t+1][n]&&u[t][n]>=u[t][n]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0):(r>=112.5&&r<=157.5||r<-22.5&&r>=-67.5)&&(u[t][n]>=u[t+1][n-1]&&u[t][n]>=u[t-1][n+1]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0))}return e}(e),0,n))};var h=e=>180*e/Math.PI,p=e=>Math.max(...e.map(e=>e.map(e=>e||0)).map(e=>Math.max(...e)))},{lodash:57}],161:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).blur=t.blur||2,t.highThresholdRatio=t.highThresholdRatio||.2,t.lowThresholdRatio=t.lowThresholdRatio||.15,n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[(e+t+n)/3,(e+t+n)/3,(e+t+n)/3,r]},extraManipulation:function(n){return n=e("ndarray-gaussian-filter")(n,t.blur),e("./EdgeUtils")(n,t.highThresholdRatio,t.lowThresholdRatio,t.inBrowser)},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171,"./EdgeUtils":160,"ndarray-gaussian-filter":62}],162:[function(e,t,n){t.exports={name:"Detect Edges",description:"this module detects edges using the Canny method, which first Gaussian blurs the image to reduce noise (amount of blur configurable in settings as `options.blur`), then applies a number of steps to highlight edges, resulting in a greyscale image where the brighter the pixel, the stronger the detected edge. Read more at: https://en.wikipedia.org/wiki/Canny_edge_detector",inputs:{blur:{type:"integer",desc:"amount of gaussian blur(Less blur gives more detail, typically 0-5)",default:2},highThresholdRatio:{type:"float",desc:"The high threshold ratio for the image",default:.2},lowThresholdRatio:{type:"float",desc:"The low threshold value for the image",default:.15}}}},{}],163:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),e("fisheyegl"),{options:t,draw:function(e,r){n.onDraw(t.step);var i=this;if(t.inBrowser){if(document.querySelector("#image-sequencer-canvas"))var a=document.querySelector("#image-sequencer-canvas");else(a=document.createElement("canvas")).style.display="none",a.setAttribute("id","image-sequencer-canvas"),document.body.append(a);distorter=FisheyeGl({selector:"#image-sequencer-canvas"}),t.a=parseFloat(t.a)||distorter.lens.a,t.b=parseFloat(t.b)||distorter.lens.b,t.Fx=parseFloat(t.Fx)||distorter.lens.Fx,t.Fy=parseFloat(t.Fy)||distorter.lens.Fy,t.scale=parseFloat(t.scale)||distorter.lens.scale,t.x=parseFloat(t.x)||distorter.fov.x,t.y=parseFloat(t.y)||distorter.fov.y,distorter.lens.a=t.a,distorter.lens.b=t.b,distorter.lens.Fx=t.Fx,distorter.lens.Fy=t.Fy,distorter.lens.scale=t.scale,distorter.fov.x=t.x,distorter.fov.y=t.y,distorter.setImage(e.src,function(){i.output={src:a.toDataURL(),format:e.format},t.step.output=i.output.src,r(),n.onComplete(t.step)})}else this.output=e,r()},output:void 0,UI:n}}},{fisheyegl:30}],164:[function(e,t,n){t.exports={name:"Fisheye GL",description:"Correct fisheye, or barrel distortion, in images (with WebGL -- adapted from fisheye-correction-webgl by @bluemir).",requires:["webgl"],inputs:{a:{type:"float",desc:"a parameter",default:1,min:1,max:4},b:{type:"float",desc:"b parameter",default:1,min:1,max:4},Fx:{type:"float",desc:"Fx parameter",default:0,min:0,max:4},Fy:{type:"float",desc:"Fy parameter",default:0,min:0,max:4},scale:{type:"float",desc:"Image Scaling",default:1.5,min:0,max:20},x:{type:"float",desc:"FOV x parameter",default:1.5,min:0,max:20},y:{type:"float",desc:"FOV y parameter",default:1.5,min:0,max:20},fragmentSrc:{type:"PATH",desc:"Patht to a WebGL fragment shader file",default:"(inbuilt)"},vertexSrc:{type:"PATH",desc:"Patht to a WebGL vertex shader file",default:"(inbuilt)"}}}},{}],165:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[255-e,255-t,255-n,r]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],166:[function(e,t,n){t.exports={name:"Invert",description:"Inverts the image.",inputs:{}}},{}],167:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).filter=t.filter||"red",n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){if("red"==t.filter)var a=(r-e)/(1*r+e);"blue"==t.filter&&(a=(e-r)/(1*r+e));var o=255*(a+1)/2;return[o,o,o,i]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],168:[function(e,t,n){t.exports={name:"NDVI",description:"Normalized Difference Vegetation Index, or NDVI, is an image analysis technique used with aerial photography. 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n=s.prototype.on.call(this,e,t);if("data"!==e||this._readableState.flowing||_(this),"readable"===e&&this.readable){var r=this._readableState;r.readableListening||(r.readableListening=!0,r.emittedReadable=!1,r.needReadable=!0,r.reading?r.length&&d(this):this.read(0))}return n},f.prototype.addListener=f.prototype.on,f.prototype.resume=function(){_(this),this.read(0),this.emit("resume")},f.prototype.pause=function(){_(this,!0),this.emit("pause")},f.prototype.wrap=function(e){var t=this._readableState,n=!1,r=this;for(var i in e.on("end",function(){if(t.decoder&&!t.ended){var e=t.decoder.end();e&&e.length&&r.push(e)}r.push(null)}),e.on("data",function(i){(t.decoder&&(i=t.decoder.write(i)),!t.objectMode||null!==i&&void 0!==i)&&((t.objectMode||i&&i.length)&&(r.push(i)||(n=!0,e.pause())))}),e)"function"==typeof e[i]&&void 0===this[i]&&(this[i]=function(t){return function(){return e[t].apply(e,arguments)}}(i));return y(["error","close","destroy","pause","resume"],function(t){e.on(t,r.emit.bind(r,t))}),r._read=function(t){n&&(n=!1,e.resume())},r},f._fromList=w}).call(this,e("_process"))},{_process:104,buffer:8,"core-util-is":22,events:29,inherits:52,isarray:14,stream:121,"string_decoder/":21}],18:[function(e,t,n){t.exports=o;var r=e("./_stream_duplex"),i=e("core-util-is");function a(e,t){this.afterTransform=function(e,n){return function(e,t,n){var r=e._transformState;r.transforming=!1;var i=r.writecb;if(!i)return e.emit("error",new Error("no writecb in Transform class"));r.writechunk=null,r.writecb=null,null!==n&&void 0!==n&&e.push(n);i&&i(t);var a=e._readableState;a.reading=!1,(a.needReadable||a.length<a.highWaterMark)&&e._read(a.highWaterMark)}(t,e,n)},this.needTransform=!1,this.transforming=!1,this.writecb=null,this.writechunk=null}function o(e){if(!(this instanceof o))return new o(e);r.call(this,e);this._transformState=new a(e,this);var 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r=e._writableState,i=r.sync,a=r.writecb;if(function(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}(r),t)!function(e,t,r,i,a){r?n.nextTick(function(){a(i)}):a(i);e._writableState.errorEmitted=!0,e.emit("error",i)}(e,0,i,t,a);else{var o=f(e,r);o||r.bufferProcessing||!r.buffer.length||function(e,t){t.bufferProcessing=!0;for(var n=0;n<t.buffer.length;n++){var r=t.buffer[n],i=r.chunk,a=r.encoding,o=r.callback,s=t.objectMode?1:i.length;if(u(e,t,s,i,a,o),t.writing){n++;break}}t.bufferProcessing=!1,n<t.buffer.length?t.buffer=t.buffer.slice(n):t.buffer.length=0}(e,r),i?n.nextTick(function(){l(e,r,o,a)}):l(e,r,o,a)}}(t,e)},this.writecb=null,this.writelen=0,this.buffer=[],this.errorEmitted=!1}function s(t){var n=e("./_stream_duplex");if(!(this instanceof s||this instanceof n))return new s(t);this._writableState=new o(t,this),this.writable=!0,a.call(this)}function u(e,t,n,r,i,a){t.writelen=n,t.writecb=a,t.writing=!0,t.sync=!0,e._write(r,i,t.onwrite),t.sync=!1}function 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i=e("stream");(n=t.exports=e("./lib/_stream_readable.js")).Stream=i,n.Readable=n,n.Writable=e("./lib/_stream_writable.js"),n.Duplex=e("./lib/_stream_duplex.js"),n.Transform=e("./lib/_stream_transform.js"),n.PassThrough=e("./lib/_stream_passthrough.js"),r.browser||"disable"!==r.env.READABLE_STREAM||(t.exports=e("stream"))}).call(this,e("_process"))},{"./lib/_stream_duplex.js":15,"./lib/_stream_passthrough.js":16,"./lib/_stream_readable.js":17,"./lib/_stream_transform.js":18,"./lib/_stream_writable.js":19,_process:104,stream:121}],21:[function(e,t,n){var r=e("buffer").Buffer,i=r.isEncoding||function(e){switch(e&&e.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1}};var a=n.StringDecoder=function(e){switch(this.encoding=(e||"utf8").toLowerCase().replace(/[-_]/,""),function(e){if(e&&!i(e))throw new Error("Unknown encoding: 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Object.prototype.toString.call(e)}n.isArray=function(e){return Array.isArray?Array.isArray(e):"[object Array]"===t(e)},n.isBoolean=function(e){return"boolean"==typeof e},n.isNull=function(e){return null===e},n.isNullOrUndefined=function(e){return null==e},n.isNumber=function(e){return"number"==typeof e},n.isString=function(e){return"string"==typeof e},n.isSymbol=function(e){return"symbol"==typeof e},n.isUndefined=function(e){return void 0===e},n.isRegExp=function(e){return"[object RegExp]"===t(e)},n.isObject=function(e){return"object"==typeof e&&null!==e},n.isDate=function(e){return"[object Date]"===t(e)},n.isError=function(e){return"[object Error]"===t(e)||e instanceof Error},n.isFunction=function(e){return"function"==typeof e},n.isPrimitive=function(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||void 0===e},n.isBuffer=e.isBuffer}).call(this,{isBuffer:e("../../is-buffer/index.js")})},{"../../is-buffer/index.js":54}],23:[function(e,t,n){"use strict";var r=e("./lib/thunk.js");t.exports=function(e){var t=new function(){this.argTypes=[],this.shimArgs=[],this.arrayArgs=[],this.arrayBlockIndices=[],this.scalarArgs=[],this.offsetArgs=[],this.offsetArgIndex=[],this.indexArgs=[],this.shapeArgs=[],this.funcName="",this.pre=null,this.body=null,this.post=null,this.debug=!1};t.pre=e.pre,t.body=e.body,t.post=e.post;var n=e.args.slice(0);t.argTypes=n;for(var i=0;i<n.length;++i){var a=n[i];if("array"===a||"object"==typeof a&&a.blockIndices){if(t.argTypes[i]="array",t.arrayArgs.push(i),t.arrayBlockIndices.push(a.blockIndices?a.blockIndices:0),t.shimArgs.push("array"+i),i<t.pre.args.length&&t.pre.args[i].count>0)throw new Error("cwise: pre() block may not reference array args");if(i<t.post.args.length&&t.post.args[i].count>0)throw new Error("cwise: post() block may not reference array args")}else 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document?window.FisheyeGl=r:t.exports=r},{"./shaders":31}],31:[function(e,t,n){t.exports={fragment:e("./shaders/fragment.glfs"),fragment2:e("./shaders/fragment2.glfs"),fragment3:e("./shaders/fragment3.glfs"),method1:e("./shaders/method1.glfs"),method2:e("./shaders/method2.glfs"),vertex:e("./shaders/vertex.glvs")}},{"./shaders/fragment.glfs":32,"./shaders/fragment2.glfs":33,"./shaders/fragment3.glfs":34,"./shaders/method1.glfs":35,"./shaders/method2.glfs":36,"./shaders/vertex.glvs":37}],32:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord  * vec2(1.0, -1.0)/ 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat scale = uLens.w;\n\tfloat F = uLens.z;\n\t\n\tfloat L = length(vec3(vPosition.xy/scale, F));\n\tvec2 vMapping = vPosition.xy * F / L;\n\tvMapping = vMapping * uLens.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping/scale);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],33:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat correctionRadius = 0.5;\n\tfloat distance = sqrt(vPosition.x * vPosition.x + vPosition.y * vPosition.y) / correctionRadius;\n\tfloat theta = 1.0;\n\tif(distance != 0.0){\n\t\ttheta = atan(distance);\n\t}\n\tvec2 vMapping = theta * vPosition.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\t\t\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],34:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec3 uLensS;\nuniform vec2 uLensF;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord  * vec2(1.0, -1.0)/ 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat scale = uLensS.z;\n\tvec3 vPos = vPosition;\n\tfloat Fx = uLensF.x;\n\tfloat Fy = uLensF.y;\n\tvec2 vMapping = vPos.xy;\n\tvMapping.x = vMapping.x + ((pow(vPos.y, 2.0)/scale)*vPos.x/scale)*-Fx;\n\tvMapping.y = vMapping.y + ((pow(vPos.x, 2.0)/scale)*vPos.y/scale)*-Fy;\n\tvMapping = vMapping * uLensS.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping/scale);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t}\n\tgl_FragColor = texture;\n}\n"},{}],35:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TODO insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],36:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TOD insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],37:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nattribute vec3 aVertexPosition;\nattribute vec2 aTextureCoord;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvoid main(void){\n\tvPosition = aVertexPosition;\n\tvTextureCoord = aTextureCoord;\n\tgl_Position = vec4(vPosition,1.0);\n}\n"},{}],38:[function(e,t,n){(function(n,r){"use strict";var i=e("path"),a=e("ndarray"),o=e("omggif").GifReader,s=(e("ndarray-pack"),e("through"),e("data-uri-to-buffer"));function u(e,t){var n;try{n=new o(e)}catch(e){return void t(e)}if(n.numFrames()>0){var r=[n.numFrames(),n.height,n.width,4],i=new Uint8Array(r[0]*r[1]*r[2]*r[3]),s=a(i,r);try{for(var u=0;u<n.numFrames();++u)n.decodeAndBlitFrameRGBA(u,i.subarray(s.index(u,0,0,0),s.index(u+1,0,0,0)))}catch(e){return void t(e)}t(null,s.transpose(0,2,1))}else{r=[n.height,n.width,4],i=new Uint8Array(r[0]*r[1]*r[2]),s=a(i,r);try{n.decodeAndBlitFrameRGBA(0,i)}catch(e){return void t(e)}t(null,s.transpose(1,0))}}function l(e,t){r.nextTick(function(){try{var n=s(e);n?u(function(e){if(void 0===e[0]){for(var t=e.length,n=new Uint8Array(t),r=0;r<t;++r)n[r]=e.get(r);return n}return new Uint8Array(e)}(n),t):t(new Error("Error parsing data URI"))}catch(e){t(e)}})}t.exports=function(e,t,r){r||(r=t,t="");var o=i.extname(e);switch(t||o.toUpperCase()){case".GIF":!function(e,t){var n=new XMLHttpRequest;n.open("GET",e,!0),n.responseType="arraybuffer",n.overrideMimeType&&n.overrideMimeType("application/binary"),n.onerror=function(e){t(e)},n.onload=function(){4===n.readyState&&u(new Uint8Array(n.response),t)},n.send()}(e,r);break;default:n.isBuffer(e)&&(e="data:"+t+";base64,"+e.toString("base64")),0===e.indexOf("data:image/gif;")?l(e,r):function(e,t){var n=new Image;n.crossOrigin="Anonymous",n.onload=function(){var e=document.createElement("canvas");e.width=n.width,e.height=n.height;var r=e.getContext("2d");r.drawImage(n,0,0);var i=r.getImageData(0,0,n.width,n.height);t(null,a(new Uint8Array(i.data),[n.width,n.height,4],[4,4*n.width,1],0))},n.onerror=function(e){t(e)},n.src=e}(e,r)}}}).call(this,{isBuffer:e("../is-buffer/index.js")},e("_process"))},{"../is-buffer/index.js":54,_process:104,"data-uri-to-buffer":39,ndarray:66,"ndarray-pack":64,omggif:68,path:81,through:123}],39:[function(e,t,n){(function(e){t.exports=function(t){if(!/^data\:/i.test(t))throw new TypeError('`uri` does not appear to be a Data URI (must begin with "data:")');var n=(t=t.replace(/\r?\n/g,"")).indexOf(",");if(-1===n||n<=4)throw new TypeError("malformed data: URI");for(var r=t.substring(5,n).split(";"),i=!1,a="US-ASCII",o=0;o<r.length;o++)"base64"==r[o]?i=!0:0==r[o].indexOf("charset=")&&(a=r[o].substring(8));var s=unescape(t.substring(n+1)),u=new e(s,i?"base64":"ascii");return u.type=r[0]||"text/plain",u.charset=a,u}}).call(this,e("buffer").Buffer)},{buffer:8}],40:[function(e,t,n){(function(n){e("assert"),e("events").EventEmitter;var r=e("readable-stream"),i=e("util"),a=e("./TypedNeuQuant.js"),o=e("./LZWEncoder.js");function s(e){r.call(this,e),this.okayToPush=!0,this.resetData()}function u(e,t,n){var r=(n=n||{}).highWaterMark;s.call(this,{highWaterMark:r||0===r?r:65536}),this.width=~~e,this.height=~~t,this.transparent=null,this.transIndex=0,this.repeat=-1,this.delay=0,this.pixels=null,this.indexedPixels=null,this.colorDepth=null,this.colorTab=null,this.usedEntry=[],this.palSize=7,this.dispose=-1,this.firstFrame=!0,this.sample=10;var i=this;function a(){i.flushData()}this.on("writeHeader#stop",a),this.on("frame#stop",a),this.on("finish#stop",function(){a(),i.push(null)})}i.inherits(s,r),s.prototype._read=function(){this.okayToPush=!0},s.prototype.resetData=function(){this.data=[]},s.prototype.flushData=function(){if(!this.okayToPush){var e=new Error("GIF memory limit exceeded. Please `read` from GIF before writing additional frames/information.");return this.emit("error",e)}var t=new n(this.data);this.resetData(),this.okayToPush=this.push(t)},s.prototype.writeByte=function(e){this.data.push(e)},s.prototype.writeUTFBytes=function(e){for(var t=e.length,n=0;n<t;n++)this.writeByte(e.charCodeAt(n))},s.prototype.writeBytes=function(e,t,n){for(var r=n||e.length,i=t||0;i<r;i++)this.writeByte(e[i])},i.inherits(u,s),u.prototype.setDelay=function(e){this.delay=Math.round(e/10)},u.prototype.setFrameRate=function(e){this.delay=Math.round(100/e)},u.prototype.setDispose=function(e){e>=0&&(this.dispose=e)},u.prototype.setRepeat=function(e){this.repeat=e},u.prototype.setTransparent=function(e){this.transparent=e},u.prototype.analyzeImage=function(e){this.setImagePixels(this.removeAlphaChannel(e)),this.analyzePixels()},u.prototype.writeImageInfo=function(){this.firstFrame&&(this.writeLSD(),this.writePalette(),this.repeat>=0&&this.writeNetscapeExt()),this.writeGraphicCtrlExt(),this.writeImageDesc(),this.firstFrame||this.writePalette(),this.firstFrame=!1},u.prototype.outputImage=function(){this.writePixels()},u.prototype.addFrame=function(e){this.emit("frame#start"),this.analyzeImage(e),this.writeImageInfo(),this.outputImage(),this.emit("frame#stop")},u.prototype.finish=function(){this.emit("finish#start"),this.writeByte(59),this.emit("finish#stop")},u.prototype.setQuality=function(e){e<1&&(e=1),this.sample=e},u.prototype.writeHeader=function(){this.emit("writeHeader#start"),this.writeUTFBytes("GIF89a"),this.emit("writeHeader#stop")},u.prototype.analyzePixels=function(){var e=this.pixels.length/3;this.indexedPixels=new Uint8Array(e);var t=new a(this.pixels,this.sample);t.buildColormap(),this.colorTab=t.getColormap();for(var n=0,r=0;r<e;r++){var i=t.lookupRGB(255&this.pixels[n++],255&this.pixels[n++],255&this.pixels[n++]);this.usedEntry[i]=!0,this.indexedPixels[r]=i}this.pixels=null,this.colorDepth=8,this.palSize=7,null!==this.transparent&&(this.transIndex=this.findClosest(this.transparent))},u.prototype.findClosest=function(e){if(null===this.colorTab)return-1;for(var t=(16711680&e)>>16,n=(65280&e)>>8,r=255&e,i=0,a=16777216,o=this.colorTab.length,s=0;s<o;){var u=t-(255&this.colorTab[s++]),l=n-(255&this.colorTab[s++]),f=r-(255&this.colorTab[s]),c=u*u+l*l+f*f,h=s/3;this.usedEntry[h]&&c<a&&(a=c,i=h),s++}return i},u.prototype.removeAlphaChannel=function(e){for(var t=this.width,n=this.height,r=new Uint8Array(t*n*3),i=0,a=0;a<n;a++)for(var o=0;o<t;o++){var s=a*t*4+4*o;r[i++]=e[s],r[i++]=e[s+1],r[i++]=e[s+2]}return r},u.prototype.setImagePixels=function(e){this.pixels=e},u.prototype.writeGraphicCtrlExt=function(){var e,t;this.writeByte(33),this.writeByte(249),this.writeByte(4),null===this.transparent?(e=0,t=0):(e=1,t=2),this.dispose>=0&&(t=7&dispose),t<<=2,this.writeByte(0|t|e),this.writeShort(this.delay),this.writeByte(this.transIndex),this.writeByte(0)},u.prototype.writeImageDesc=function(){this.writeByte(44),this.writeShort(0),this.writeShort(0),this.writeShort(this.width),this.writeShort(this.height),this.firstFrame?this.writeByte(0):this.writeByte(128|this.palSize)},u.prototype.writeLSD=function(){this.writeShort(this.width),this.writeShort(this.height),this.writeByte(240|this.palSize),this.writeByte(0),this.writeByte(0)},u.prototype.writeNetscapeExt=function(){this.writeByte(33),this.writeByte(255),this.writeByte(11),this.writeUTFBytes("NETSCAPE2.0"),this.writeByte(3),this.writeByte(1),this.writeShort(this.repeat),this.writeByte(0)},u.prototype.writePalette=function(){this.writeBytes(this.colorTab);for(var e=768-this.colorTab.length,t=0;t<e;t++)this.writeByte(0)},u.prototype.writeShort=function(e){this.writeByte(255&e),this.writeByte(e>>8&255)},u.prototype.writePixels=function(){new o(this.width,this.height,this.indexedPixels,this.colorDepth).encode(this)},u.prototype.stream=function(){return this},u.ByteCapacitor=s,t.exports=u}).call(this,e("buffer").Buffer)},{"./LZWEncoder.js":41,"./TypedNeuQuant.js":42,assert:1,buffer:8,events:29,"readable-stream":49,util:131}],41:[function(e,t,n){var r=-1,i=12,a=5003,o=[0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535];t.exports=function(e,t,n,s){var u,l,f,c,h,p,d,g,v,m=Math.max(2,s),_=new Uint8Array(256),w=new Int32Array(a),b=new Int32Array(a),y=0,x=0,k=!1;function E(e,t){_[l++]=e,l>=254&&T(t)}function A(e){S(a),x=g+2,k=!0,I(g,e)}function S(e){for(var t=0;t<e;++t)w[t]=-1}function T(e){l>0&&(e.writeByte(l),e.writeBytes(_,0,l),l=0)}function M(e){return(1<<e)-1}function R(){return 0===c?r:(--c,255&n[h++])}function I(e,t){for(u&=o[y],y>0?u|=e<<y:u=e,y+=p;y>=8;)E(255&u,t),u>>=8,y-=8;if((x>f||k)&&(k?(f=M(p=d),k=!1):f=++p==i?1<<i:M(p)),e==v){for(;y>0;)E(255&u,t),u>>=8,y-=8;T(t)}}this.encode=function(n){n.writeByte(m),c=e*t,h=0,function(e,t){var n,o,s,u,c,h,m;for(k=!1,f=M(p=d=e),v=1+(g=1<<e-1),x=g+2,l=0,u=R(),m=0,n=a;n<65536;n*=2)++m;m=8-m,S(h=a),I(g,t);e:for(;(o=R())!=r;)if(n=(o<<i)+u,w[s=o<<m^u]!==n){if(w[s]>=0){c=h-s,0===s&&(c=1);do{if((s-=c)<0&&(s+=h),w[s]===n){u=b[s];continue e}}while(w[s]>=0)}I(u,t),u=o,x<1<<i?(b[s]=x++,w[s]=n):A(t)}else u=b[s];I(u,t),I(v,t)}(m+1,n),n.writeByte(0)}}},{}],42:[function(e,t,n){var r=100,i=256,a=i-1,o=4,s=16,u=1<<s,l=10,f=10,c=u>>f,h=u<<l-f,p=6,d=(i>>3)*(1<<p),g=30,v=1024,m=256,_=1<<18,w=499,b=491,y=487,x=503,k=3*x;t.exports=function(e,t){var n,E,A,S,T;function M(e,t,r,i,a){n[t][0]-=e*(n[t][0]-r)/v,n[t][1]-=e*(n[t][1]-i)/v,n[t][2]-=e*(n[t][2]-a)/v}function R(e,t,r,a,o){for(var s,u,l=Math.abs(t-e),f=Math.min(t+e,i),c=t+1,h=t-1,p=1;c<f||h>l;)u=T[p++],c<f&&((s=n[c++])[0]-=u*(s[0]-r)/_,s[1]-=u*(s[1]-a)/_,s[2]-=u*(s[2]-o)/_),h>l&&((s=n[h--])[0]-=u*(s[0]-r)/_,s[1]-=u*(s[1]-a)/_,s[2]-=u*(s[2]-o)/_)}function I(e,t,r){var a,u,p,d,g,v=~(1<<31),m=v,_=-1,w=_;for(a=0;a<i;a++)u=n[a],(p=Math.abs(u[0]-e)+Math.abs(u[1]-t)+Math.abs(u[2]-r))<v&&(v=p,_=a),(d=p-(A[a]>>s-o))<m&&(m=d,w=a),g=S[a]>>f,S[a]-=g,A[a]+=g<<l;return S[_]+=c,A[_]-=h,w}this.buildColormap=function(){!function(){var e,t;for(n=[],E=new Int32Array(256),A=new Int32Array(i),S=new Int32Array(i),T=new Int32Array(i>>3),e=0;e<i;e++)t=(e<<o+8)/i,n[e]=new Float64Array([t,t,t,0]),S[e]=u/i,A[e]=0}(),function(){var n,i,a,s,u,l,f=e.length,c=30+(t-1)/3,h=f/(3*t),_=~~(h/r),E=v,A=d,S=A>>p;for(S<=1&&(S=0),n=0;n<S;n++)T[n]=E*((S*S-n*n)*m/(S*S));f<k?(t=1,i=3):i=f%w!=0?3*w:f%b!=0?3*b:f%y!=0?3*y:3*x;var j=0;for(n=0;n<h;)if(M(E,l=I(a=(255&e[j])<<o,s=(255&e[j+1])<<o,u=(255&e[j+2])<<o),a,s,u),0!==S&&R(S,l,a,s,u),(j+=i)>=f&&(j-=f),n++,0===_&&(_=1),n%_==0)for(E-=E/c,(S=(A-=A/g)>>p)<=1&&(S=0),l=0;l<S;l++)T[l]=E*((S*S-l*l)*m/(S*S))}(),function(){for(var e=0;e<i;e++)n[e][0]>>=o,n[e][1]>>=o,n[e][2]>>=o,n[e][3]=e}(),function(){var e,t,r,o,s,u,l=0,f=0;for(e=0;e<i;e++){for(s=e,u=(r=n[e])[1],t=e+1;t<i;t++)(o=n[t])[1]<u&&(s=t,u=o[1]);if(o=n[s],e!=s&&(t=o[0],o[0]=r[0],r[0]=t,t=o[1],o[1]=r[1],r[1]=t,t=o[2],o[2]=r[2],r[2]=t,t=o[3],o[3]=r[3],r[3]=t),u!=l){for(E[l]=f+e>>1,t=l+1;t<u;t++)E[t]=e;l=u,f=e}}for(E[l]=f+a>>1,t=l+1;t<256;t++)E[t]=a}()},this.getColormap=function(){for(var e=[],t=[],r=0;r<i;r++)t[n[r][3]]=r;for(var a=0,o=0;o<i;o++){var s=t[o];e[a++]=n[s][0],e[a++]=n[s][1],e[a++]=n[s][2]}return e},this.lookupRGB=function(e,t,r){for(var a,o,s,u=1e3,l=-1,f=E[t],c=f-1;f<i||c>=0;)f<i&&((s=(o=n[f])[1]-t)>=u?f=i:(f++,s<0&&(s=-s),(a=o[0]-e)<0&&(a=-a),(s+=a)<u&&((a=o[2]-r)<0&&(a=-a),(s+=a)<u&&(u=s,l=o[3])))),c>=0&&((s=t-(o=n[c])[1])>=u?c=-1:(c--,s<0&&(s=-s),(a=o[0]-e)<0&&(a=-a),(s+=a)<u&&((a=o[2]-r)<0&&(a=-a),(s+=a)<u&&(u=s,l=o[3]))));return l}}},{}],43:[function(e,t,n){arguments[4][14][0].apply(n,arguments)},{dup:14}],44:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":46,"./_stream_writable":48,_process:104,"core-util-is":22,dup:15,inherits:52}],45:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":47,"core-util-is":22,dup:16,inherits:52}],46:[function(e,t,n){(function(n){t.exports=c;var r=e("isarray"),i=e("buffer").Buffer;c.ReadableState=f;var a=e("events").EventEmitter;a.listenerCount||(a.listenerCount=function(e,t){return e.listeners(t).length});var o,s=e("stream"),u=e("core-util-is");u.inherits=e("inherits");var l=e("util");function f(t,n){var r=e("./_stream_duplex"),i=(t=t||{}).highWaterMark,a=t.objectMode?16:16384;this.highWaterMark=i||0===i?i:a,this.highWaterMark=~~this.highWaterMark,this.buffer=[],this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.objectMode=!!t.objectMode,n instanceof r&&(this.objectMode=this.objectMode||!!t.readableObjectMode),this.defaultEncoding=t.defaultEncoding||"utf8",this.ranOut=!1,this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,t.encoding&&(o||(o=e("string_decoder/").StringDecoder),this.decoder=new o(t.encoding),this.encoding=t.encoding)}function c(t){e("./_stream_duplex");if(!(this instanceof c))return new c(t);this._readableState=new f(t,this),this.readable=!0,s.call(this)}function h(e,t,r,i,a){var o=function(e,t){var n=null;u.isBuffer(t)||u.isString(t)||u.isNullOrUndefined(t)||e.objectMode||(n=new TypeError("Invalid 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function(e){return!e.ended&&(e.needReadable||e.length<e.highWaterMark||0===e.length)}(t)}l=l&&l.debuglog?l.debuglog("stream"):function(){},u.inherits(c,s),c.prototype.push=function(e,t){var n=this._readableState;return u.isString(e)&&!n.objectMode&&(t=t||n.defaultEncoding)!==n.encoding&&(e=new i(e,t),t=""),h(this,n,e,t,!1)},c.prototype.unshift=function(e){return h(this,this._readableState,e,"",!0)},c.prototype.setEncoding=function(t){return o||(o=e("string_decoder/").StringDecoder),this._readableState.decoder=new o(t),this._readableState.encoding=t,this};var p=8388608;function d(e,t){return 0===t.length&&t.ended?0:t.objectMode?0===e?0:1:isNaN(e)||u.isNull(e)?t.flowing&&t.buffer.length?t.buffer[0].length:t.length:e<=0?0:(e>t.highWaterMark&&(t.highWaterMark=function(e){if(e>=p)e=p;else{e--;for(var t=1;t<32;t<<=1)e|=e>>t;e++}return e}(e)),e>t.length?t.ended?t.length:(t.needReadable=!0,0):e)}function g(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(l("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?n.nextTick(function(){v(e)}):v(e))}function v(e){l("emit readable"),e.emit("readable"),m(e)}function m(e){var t=e._readableState;if(l("flow",t.flowing),t.flowing)do{var n=e.read()}while(null!==n&&t.flowing)}function _(e,t){var n,r=t.buffer,a=t.length,o=!!t.decoder,s=!!t.objectMode;if(0===r.length)return null;if(0===a)n=null;else if(s)n=r.shift();else if(!e||e>=a)n=o?r.join(""):i.concat(r,a),r.length=0;else{if(e<r[0].length)n=(c=r[0]).slice(0,e),r[0]=c.slice(e);else if(e===r[0].length)n=r.shift();else{n=o?"":new i(e);for(var u=0,l=0,f=r.length;l<f&&u<e;l++){var c=r[0],h=Math.min(e-u,c.length);o?n+=c.slice(0,h):c.copy(n,u,0,h),h<c.length?r[0]=c.slice(h):r.shift(),u+=h}}}return n}function w(e){var t=e._readableState;if(t.length>0)throw new Error("endReadable called on non-empty 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h(){l("cleanup"),e.removeListener("close",g),e.removeListener("finish",v),e.removeListener("drain",c),e.removeListener("error",d),e.removeListener("unpipe",u),i.removeListener("end",f),i.removeListener("end",h),i.removeListener("data",p),!o.awaitDrain||e._writableState&&!e._writableState.needDrain||c()}function p(t){l("ondata"),!1===e.write(t)&&(l("false write response, pause",i._readableState.awaitDrain),i._readableState.awaitDrain++,i.pause())}function d(t){l("onerror",t),_(),e.removeListener("error",d),0===a.listenerCount(e,"error")&&e.emit("error",t)}function g(){e.removeListener("finish",v),_()}function v(){l("onfinish"),e.removeListener("close",g),_()}function _(){l("unpipe"),i.unpipe(e)}return e.on("drain",c),i.on("data",p),e._events&&e._events.error?r(e._events.error)?e._events.error.unshift(d):e._events.error=[d,e._events.error]:e.on("error",d),e.once("close",g),e.once("finish",v),e.emit("pipe",i),o.flowing||(l("pipe resume"),i.resume()),e},c.prototype.unpipe=function(e){var t=this._readableState;if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this),this);if(!e){var n=t.pipes,r=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var i=0;i<r;i++)n[i].emit("unpipe",this);return this}return-1===(i=function(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}(t.pipes,e))?this:(t.pipes.splice(i,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this),this)},c.prototype.on=function(e,t){var r=s.prototype.on.call(this,e,t);if("data"===e&&!1!==this._readableState.flowing&&this.resume(),"readable"===e&&this.readable){var i=this._readableState;if(!i.readableListening)if(i.readableListening=!0,i.emittedReadable=!1,i.needReadable=!0,i.reading)i.length&&g(this);else{var a=this;n.nextTick(function(){l("readable nexttick read 0"),a.read(0)})}}return r},c.prototype.addListener=c.prototype.on,c.prototype.resume=function(){var e=this._readableState;return e.flowing||(l("resume"),e.flowing=!0,e.reading||(l("resume read 0"),this.read(0)),function(e,t){t.resumeScheduled||(t.resumeScheduled=!0,n.nextTick(function(){!function(e,t){t.resumeScheduled=!1,e.emit("resume"),m(e),t.flowing&&!t.reading&&e.read(0)}(e,t)}))}(this,e)),this},c.prototype.pause=function(){return l("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(l("pause"),this._readableState.flowing=!1,this.emit("pause")),this},c.prototype.wrap=function(e){var t=this._readableState,n=!1,r=this;for(var i in e.on("end",function(){if(l("wrapped end"),t.decoder&&!t.ended){var e=t.decoder.end();e&&e.length&&r.push(e)}r.push(null)}),e.on("data",function(i){(l("wrapped data"),t.decoder&&(i=t.decoder.write(i)),i&&(t.objectMode||i.length))&&(r.push(i)||(n=!0,e.pause()))}),e)u.isFunction(e[i])&&u.isUndefined(this[i])&&(this[i]=function(t){return function(){return e[t].apply(e,arguments)}}(i));return function(e,t){for(var n=0,r=e.length;n<r;n++)t(e[n],n)}(["error","close","destroy","pause","resume"],function(t){e.on(t,r.emit.bind(r,t))}),r._read=function(t){l("wrapped _read",t),n&&(n=!1,e.resume())},r},c._fromList=_}).call(this,e("_process"))},{"./_stream_duplex":44,_process:104,buffer:8,"core-util-is":22,events:29,inherits:52,isarray:43,stream:121,"string_decoder/":50,util:4}],47:[function(e,t,n){t.exports=o;var r=e("./_stream_duplex"),i=e("core-util-is");function a(e,t){this.afterTransform=function(e,n){return function(e,t,n){var r=e._transformState;r.transforming=!1;var a=r.writecb;if(!a)return e.emit("error",new Error("no writecb in Transform class"));r.writechunk=null,r.writecb=null,i.isNullOrUndefined(n)||e.push(n);a&&a(t);var o=e._readableState;o.reading=!1,(o.needReadable||o.length<o.highWaterMark)&&e._read(o.highWaterMark)}(t,e,n)},this.needTransform=!1,this.transforming=!1,this.writecb=null,this.writechunk=null}function o(e){if(!(this instanceof o))return new o(e);r.call(this,e),this._transformState=new a(e,this);var t=this;this._readableState.needReadable=!0,this._readableState.sync=!1,this.once("prefinish",function(){i.isFunction(this._flush)?this._flush(function(e){s(t,e)}):s(t)})}function s(e,t){if(t)return e.emit("error",t);var n=e._writableState,r=e._transformState;if(n.length)throw new Error("calling transform done when ws.length != 0");if(r.transforming)throw new Error("calling transform done when still transforming");return e.push(null)}i.inherits=e("inherits"),i.inherits(o,r),o.prototype.push=function(e,t){return this._transformState.needTransform=!1,r.prototype.push.call(this,e,t)},o.prototype._transform=function(e,t,n){throw new Error("not implemented")},o.prototype._write=function(e,t,n){var r=this._transformState;if(r.writecb=n,r.writechunk=e,r.writeencoding=t,!r.transforming){var i=this._readableState;(r.needTransform||i.needReadable||i.length<i.highWaterMark)&&this._read(i.highWaterMark)}},o.prototype._read=function(e){var 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l(e){if(e<1||e>40)throw new Error("Invalid version number "+e);return u[e-1]}t.getVersionForNumber=l},function(e,t,n){"use strict";var r=n(2),i=n(10),a=n(6),o=n(12),s=n(8),u=21522,l=[[21522,0],[20773,1],[24188,2],[23371,3],[17913,4],[16590,5],[20375,6],[19104,7],[30660,8],[29427,9],[32170,10],[30877,11],[26159,12],[25368,13],[27713,14],[26998,15],[5769,16],[5054,17],[7399,18],[6608,19],[1890,20],[597,21],[3340,22],[2107,23],[13663,24],[12392,25],[16177,26],[14854,27],[9396,28],[8579,29],[11994,30],[11245,31]],f=[function(e,t){return 0==(e+t&1)},function(e,t){return 0==(1&e)},function(e,t){return t%3==0},function(e,t){return(e+t)%3==0},function(e,t){return 0==((e>>1)+t/3&1)},function(e,t){return(e*t&1)+e*t%3==0},function(e,t){return 0==((e*t&1)+e*t%3&1)},function(e,t){return 0==((e+t&1)+e*t%3&1)}],c=[{ordinal:1,bits:0,name:"M"},{ordinal:0,bits:1,name:"L"},{ordinal:3,bits:2,name:"H"},{ordinal:2,bits:3,name:"Q"}];function h(e,t,n){for(var i=f[n.dataMask],a=e.height,o=function(e){for(var t=e.getDimensionForVersion(),n=new Array(t*t),i=0;i<n.length;i++)n[i]=!1;var a=new r.BitMatrix(n,t);a.setRegion(0,0,9,9),a.setRegion(t-8,0,8,9),a.setRegion(0,t-8,9,8);for(var o=e.alignmentPatternCenters.length,s=0;s<o;s++){i=e.alignmentPatternCenters[s]-2;for(var u=0;u<o;u++)0==s&&(0==u||u==o-1)||s==o-1&&0==u||a.setRegion(e.alignmentPatternCenters[u]-2,i,5,5)}return a.setRegion(6,9,1,t-17),a.setRegion(9,6,t-17,1),e.versionNumber>6&&(a.setRegion(t-11,0,3,6),a.setRegion(0,t-11,6,3)),a}(t),s=!0,u=[],l=0,c=0,h=0,p=a-1;p>0;p-=2){6==p&&p--;for(var d=0;d<a;d++)for(var g=s?a-1-d:d,v=0;v<2;v++)o.get(p-v,g)||(h++,c<<=1,e.get(p-v,g)!==i(g,p-v)&&(c|=1),8==h&&(u[l++]=255&c,h=0,c=0));s=!s}return l!=t.totalCodewords?null:u}function p(e){return{errorCorrectionLevel:c[e>>3&3],dataMask:7&e}}function d(e,t){for(var n=1/0,r=0,i=0;i<l.length;i++){var o=l[i],s=o[0];if(s==e||s==t)return p(o[1]);var u=a.numBitsDiffering(e,s);u<n&&(r=o[1],n=u),e!=t&&(u=a.numBitsDiffering(t,s))<n&&(r=o[1],n=u)}return n<=3?p(r):null}function g(e){for(var t=0,n=0;n<6;n++)t=e.copyBit(n,8,t);t=e.copyBit(7,8,t),t=e.copyBit(8,8,t),t=e.copyBit(8,7,t);for(var r=5;r>=0;r--)t=e.copyBit(8,r,t);var i=e.height,a=0,o=i-7;for(r=i-1;r>=o;r--)a=e.copyBit(8,r,a);for(n=i-8;n<i;n++)a=e.copyBit(n,8,a);var s,l,f=d(s=t,l=a)||d(s^u,l^u);return null!=f?f:null}function v(e,t){for(var n=new o.ReedSolomonDecoder,r=e.length,i=new Array(r),a=0;a<r;a++)i[a]=255&e[a];var s=e.length-t;if(!n.decode(i,s))return!1;for(a=0;a<t;a++)e[a]=i[a];return!0}function m(e){var t=function(e){var t=e.height,n=t-17>>2;if(n<=6)return s.getVersionForNumber(n);for(var r=0,i=t-11,a=5;a>=0;a--)for(var o=t-9;o>=i;o--)r=e.copyBit(o,a,r);var u=s.Version.decodeVersionInformation(r);if(null!=u&&u.getDimensionForVersion()==t)return u;for(r=0,o=5;o>=0;o--)for(a=t-9;a>=i;a--)r=e.copyBit(o,a,r);return null!=(u=s.Version.decodeVersionInformation(r))&&u.getDimensionForVersion()==t?u:null}(e);if(!t)return null;var n=g(e);if(!n)return null;var r=n.errorCorrectionLevel,a=h(e,t,n);if(!a)return null;var o=function(e,t,n){if(e.length!=t.totalCodewords)throw new Error("Invalid number of codewords for version; got "+e.length+" expected "+t.totalCodewords);var r=t.getECBlocksForLevel(n),i=0,a=r.ecBlocks;a.forEach(function(e){i+=e.count});var o=new Array(i),s=0;a.forEach(function(e){for(var t=0;t<e.count;t++){var n=e.dataCodewords,i=r.ecCodewordsPerBlock+n;o[s++]={numDataCodewords:n,codewords:new Array(i)}}});for(var u=o[0].codewords.length,l=o.length-1;l>=0&&o[l].codewords.length!=u;)l--;l++;for(var f=u-r.ecCodewordsPerBlock,c=0,h=0;h<f;h++)for(var p=0;p<s;p++)o[p].codewords[h]=e[c++];for(p=l;p<s;p++)o[p].codewords[f]=e[c++];var d=o[0].codewords.length;for(h=f;h<d;h++)for(p=0;p<s;p++){var g=p<l?h:h+1;o[p].codewords[g]=e[c++]}return o}(a,t,r),u=0;o.forEach(function(e){u+=e.numDataCodewords});for(var l=new Array(u),f=0,c=0,p=o;c<p.length;c++){var d=p[c],m=d.codewords,_=d.numDataCodewords;if(!v(m,_))return null;for(var w=0;w<_;w++)l[f++]=m[w]}return i.decodeQRdata(l,t.versionNumber,r.name)}t.decode=function(e){if(null==e)return null;var t=m(e);return t||(e.mirror(),m(e))}},function(e,t,n){"use strict";var r=n(11);function i(e){var t=["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"," ","$","%","*","+","-",".","/",":"];if(e>=t.length)throw new Error("Could not decode alphanumeric char");return t[e].charCodeAt(0)}var a=function(){function e(e,t){this.characterCountBitsForVersions=e,this.bits=t}return e.prototype.getCharacterCountBits=function(e){if(null==this.characterCountBitsForVersions)throw new Error("Character count doesn't apply to this mode");var t;return t=e<=9?0:e<=26?1:2,this.characterCountBitsForVersions[t]},e}(),o=new a([0,0,0],0),s=new a([10,12,14],1),u=new a([9,11,13],2),l=new a([0,0,0],3),f=new a([8,16,16],4),c=new a(null,7),h=new a([8,10,12],8),p=new a(null,5),d=new a(null,9),g=new 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a=e.readBits(7);if(a>=100)return!1;t.val.push(i(Math.floor(a/10))),t.val.push(i(a%10))}else if(1==n){if(e.available()<4)return!1;var o=e.readBits(4);if(o>=10)return!1;t.val.push(i(o))}return!0}function b(e,t,n,r){for(var a=t.val.length;n>1;){if(e.available()<11)return!1;var o=e.readBits(11);t.val.push(i(Math.floor(o/45))),t.val.push(i(o%45)),n-=2}if(1==n){if(e.available()<6)return!1;t.val.push(i(e.readBits(6)))}if(r)for(var s=a;s<t.val.length;s++)t.val[s]=="%".charCodeAt(0)&&(s<t.val.length-1&&t.val[s+1]=="%".charCodeAt(0)?t.val=t.val.slice(0,s+1).concat(t.val.slice(s+2)):t.val[s]=29);return!0}function y(e,t,n){if(n<<3>e.available())return!1;for(var r=new Array(n),i=0;i<n;i++)r[i]=e.readBits(8);return Array.prototype.push.apply(t.val,r),!0}var x=1;t.decodeQRdata=function(e,t,n){for(var i,a=new r.BitStream(e),k={val:[]},E=!1;i!=o;)if((i=a.available()<4?o:v(a.readBits(4)))!=o)if(i==p||i==d)E=!0;else if(i==l){if(a.available()<16)return null;a.readBits(8),a.readBits(8)}else if(i==c){var A=m(a);if(A<0||A>30)return null}else if(i==g){var S=a.readBits(4),T=a.readBits(i.getCharacterCountBits(t));if(S==x&&!_(a,k,T))return null}else{var M=a.readBits(i.getCharacterCountBits(t));if(i==s){if(!w(a,k,M))return null}else if(i==u){if(!b(a,k,M,E))return null}else if(i==f){if(!y(a,k,M))return null}else if(i!=h)return null}return k.val}},function(e,t){"use strict";var n=function(){function e(e){this.byteOffset=0,this.bitOffset=0,this.bytes=e}return e.prototype.readBits=function(e){if(e<1||e>32||e>this.available())throw new Error("Cannot read "+e.toString()+" bits");var t=0;if(this.bitOffset>0){var n=8-this.bitOffset,r=e<n?e:n,i=255>>8-r<<(a=n-r);t=(this.bytes[this.byteOffset]&i)>>a,e-=r,this.bitOffset+=r,8==this.bitOffset&&(this.bitOffset=0,this.byteOffset++)}if(e>0){for(;e>=8;)t=t<<8|255&this.bytes[this.byteOffset],this.byteOffset++,e-=8;if(e>0){var a;i=255>>(a=8-e)<<a;t=t<<e|(this.bytes[this.byteOffset]&i)>>a,this.bitOffset+=e}}return t},e.prototype.available=function(){return 8*(this.bytes.length-this.byteOffset)-this.bitOffset},e}();t.BitStream=n},function(e,t){"use strict";var n=function(){function e(){this.field=new i(285,256,0)}return e.prototype.decode=function(e,t){for(var n=new r(this.field,e),a=new Array(t),o=!0,s=0;s<t;s++){var u=n.evaluateAt(this.field.exp(s+this.field.generatorBase));a[a.length-1-s]=u,0!=u&&(o=!1)}if(o)return!0;var l=new r(this.field,a),f=this.runEuclideanAlgorithm(this.field.buildMonomial(t,1),l,t);if(null==f)return!1;var c=f[0],h=this.findErrorLocations(c);if(null==h)return!1;var p=f[1],d=this.findErrorMagnitudes(p,h);for(s=0;s<h.length;s++){var g=e.length-1-this.field.log(h[s]);if(g<0)return!1;e[g]=i.addOrSubtract(e[g],d[s])}return!0},e.prototype.runEuclideanAlgorithm=function(e,t,n){if(e.degree()<t.degree()){var r=e;e=t,t=r}for(var i=e,a=t,o=this.field.zero,s=this.field.one;a.degree()>=n/2;){var u=i,l=o;if(o=s,(i=a).isZero())return null;a=u;for(var f=this.field.zero,c=i.getCoefficient(i.degree()),h=this.field.inverse(c);a.degree()>=i.degree()&&!a.isZero();){var p=a.degree()-i.degree(),d=this.field.multiply(a.getCoefficient(a.degree()),h);f=f.addOrSubtract(this.field.buildMonomial(p,d)),a=a.addOrSubtract(i.multiplyByMonomial(p,d))}if(s=f.multiplyPoly(o).addOrSubtract(l),a.degree()>=i.degree())return null}var g=s.getCoefficient(0);if(0==g)return null;var v=this.field.inverse(g);return[s.multiply(v),a.multiply(v)]},e.prototype.findErrorLocations=function(e){var t=e.degree();if(1==t)return[e.getCoefficient(1)];for(var n=new Array(t),r=0,i=1;i<this.field.size&&r<t;i++)0==e.evaluateAt(i)&&(n[r]=this.field.inverse(i),r++);return r!=t?null:n},e.prototype.findErrorMagnitudes=function(e,t){for(var n=t.length,r=new Array(n),i=0;i<n;i++){for(var a=this.field.inverse(t[i]),o=1,s=0;s<n;s++)if(i!=s){var u=this.field.multiply(t[s],a),l=0==(1&u)?1|u:-2&u;o=this.field.multiply(o,l)}r[i]=this.field.multiply(e.evaluateAt(a),this.field.inverse(o)),0!=this.field.generatorBase&&(r[i]=this.field.multiply(r[i],a))}return r},e}();t.ReedSolomonDecoder=n;var r=function(){function e(e,t){if(0==t.length)throw new Error("No coefficients.");this.field=e;var n=t.length;if(n>1&&0==t[0]){for(var r=1;r<n&&0==t[r];)r++;if(r==n)this.coefficients=e.zero.coefficients;else{this.coefficients=new Array(n-r);for(var i=0;i<this.coefficients.length;i++)this.coefficients[i]=t[r+i]}}else this.coefficients=t}return e.prototype.evaluateAt=function(e){var t=0;if(0==e)return this.getCoefficient(0);var n=this.coefficients.length;if(1==e)return this.coefficients.forEach(function(e){t=i.addOrSubtract(t,e)}),t;t=this.coefficients[0];for(var r=1;r<n;r++)t=i.addOrSubtract(this.field.multiply(e,t),this.coefficients[r]);return t},e.prototype.getCoefficient=function(e){return this.coefficients[this.coefficients.length-1-e]},e.prototype.degree=function(){return this.coefficients.length-1},e.prototype.isZero=function(){return 0==this.coefficients[0]},e.prototype.addOrSubtract=function(t){if(this.isZero())return t;if(t.isZero())return this;var n=this.coefficients,r=t.coefficients;if(n.length>r.length){var a=n;n=r,r=a}for(var o=new Array(r.length),s=r.length-n.length,u=0;u<s;u++)o[u]=r[u];for(u=s;u<r.length;u++)o[u]=i.addOrSubtract(n[u-s],r[u]);return new e(this.field,o)},e.prototype.multiply=function(t){if(0==t)return this.field.zero;if(1==t)return this;for(var n=this.coefficients.length,r=new Array(n),i=0;i<n;i++)r[i]=this.field.multiply(this.coefficients[i],t);return new e(this.field,r)},e.prototype.multiplyPoly=function(t){if(this.isZero()||t.isZero())return this.field.zero;for(var n=this.coefficients,r=n.length,a=t.coefficients,o=a.length,s=new Array(r+o-1),u=0;u<r;u++)for(var l=n[u],f=0;f<o;f++)s[u+f]=i.addOrSubtract(s[u+f],this.field.multiply(l,a[f]));return new e(this.field,s)},e.prototype.multiplyByMonomial=function(t,n){if(t<0)throw new Error("Invalid degree less than 0");if(0==n)return this.field.zero;for(var r=this.coefficients.length,i=new Array(r+t),a=0;a<r;a++)i[a]=this.field.multiply(this.coefficients[a],n);return new e(this.field,i)},e}(),i=function(){function e(e,t,n){this.INITIALIZATION_THRESHOLD=0,this.initialized=!1,this.primitive=e,this.size=t,this.generatorBase=n,t<=this.INITIALIZATION_THRESHOLD&&this.initialize()}return e.prototype.initialize=function(){this.expTable=new Array(this.size),this.logTable=new Array(this.size);for(var e=1,t=0;t<this.size;t++)this.expTable[t]=e,(e<<=1)>=this.size&&(e^=this.primitive,e&=this.size-1);for(t=0;t<this.size-1;t++)this.logTable[this.expTable[t]]=t;this.zero=new r(this,[0]),this.one=new r(this,[1]),this.initialized=!0},e.addOrSubtract=function(e,t){return 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n,r,i=e.max_chain_length,a=e.strstart,o=e.prev_length,s=e.nice_match,u=e.strstart>e.w_size-P?e.strstart-(e.w_size-P):0,l=e.window,f=e.w_mask,c=e.prev,h=e.strstart+z,p=l[a+o-1],d=l[a+o];e.prev_length>=e.good_match&&(i>>=2),s>e.lookahead&&(s=e.lookahead);do{if(l[(n=t)+o]===d&&l[n+o-1]===p&&l[n]===l[a]&&l[++n]===l[a+1]){a+=2,n++;do{}while(l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&l[++a]===l[++n]&&a<h);if(r=z-(h-a),a=h-z,r>o){if(e.match_start=t,o=r,r>=s)break;p=l[a+o-1],d=l[a+o]}}}while((t=c[t&f])>u&&0!=--i);return o<=e.lookahead?o:e.lookahead}function ae(e){var t,n,r,a,u,l,f,c,h,p,d=e.w_size;do{if(a=e.window_size-e.lookahead-e.strstart,e.strstart>=d+(d-P)){i.arraySet(e.window,e.window,d,d,0),e.match_start-=d,e.strstart-=d,e.block_start-=d,t=n=e.hash_size;do{r=e.head[--t],e.head[t]=r>=d?r-d:0}while(--n);t=n=d;do{r=e.prev[--t],e.prev[t]=r>=d?r-d:0}while(--n);a+=d}if(0===e.strm.avail_in)break;if(l=e.strm,f=e.window,c=e.strstart+e.lookahead,h=a,p=void 0,(p=l.avail_in)>h&&(p=h),n=0===p?0:(l.avail_in-=p,i.arraySet(f,l.input,l.next_in,p,c),1===l.state.wrap?l.adler=o(l.adler,f,p,c):2===l.state.wrap&&(l.adler=s(l.adler,f,p,c)),l.next_in+=p,l.total_in+=p,p),e.lookahead+=n,e.lookahead+e.insert>=D)for(u=e.strstart-e.insert,e.ins_h=e.window[u],e.ins_h=(e.ins_h<<e.hash_shift^e.window[u+1])&e.hash_mask;e.insert&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[u+D-1])&e.hash_mask,e.prev[u&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=u,u++,e.insert--,!(e.lookahead+e.insert<D)););}while(e.lookahead<P&&0!==e.strm.avail_in)}function oe(e,t){for(var n,r;;){if(e.lookahead<P){if(ae(e),e.lookahead<P&&t===l)return G;if(0===e.lookahead)break}if(n=0,e.lookahead>=D&&(e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+D-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==n&&e.strstart-n<=e.w_size-P&&(e.match_length=ie(e,n)),e.match_length>=D)if(r=a._tr_tally(e,e.strstart-e.match_start,e.match_length-D),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=D){e.match_length--;do{e.strstart++,e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+D-1])&e.hash_mask,n=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=(e.ins_h<<e.hash_shift^e.window[e.strstart+1])&e.hash_mask;else r=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(r&&(te(e,!1),0===e.strm.avail_out))return G}return 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n===d&&((t=e.state).window_size=2*t.w_size,Q(t.head),t.max_lazy_match=r[t.level].max_lazy,t.good_match=r[t.level].good_length,t.nice_match=r[t.level].nice_length,t.max_chain_length=r[t.level].max_chain,t.strstart=0,t.block_start=0,t.lookahead=0,t.insert=0,t.match_length=t.prev_length=D-1,t.match_available=0,t.ins_h=0),n}function ce(e,t,n,r,a,o){if(!e)return v;var s=1;if(t===w&&(t=6),r<0?(s=0,r=-r):r>15&&(s=2,r-=16),a<1||a>T||n!==S||r<8||r>15||t<0||t>9||o<0||o>k)return K(e,v);8===r&&(r=9);var u=new function(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=S,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new i.Buf16(2*L),this.dyn_dtree=new i.Buf16(2*(2*j+1)),this.bl_tree=new i.Buf16(2*(2*C+1)),Q(this.dyn_ltree),Q(this.dyn_dtree),Q(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new i.Buf16(B+1),this.heap=new i.Buf16(2*I+1),Q(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new i.Buf16(2*I+1),Q(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0};return e.state=u,u.strm=e,u.wrap=s,u.gzhead=null,u.w_bits=r,u.w_size=1<<u.w_bits,u.w_mask=u.w_size-1,u.hash_bits=a+7,u.hash_size=1<<u.hash_bits,u.hash_mask=u.hash_size-1,u.hash_shift=~~((u.hash_bits+D-1)/D),u.window=new i.Buf8(2*u.w_size),u.head=new i.Buf16(u.hash_size),u.prev=new i.Buf16(u.w_size),u.lit_bufsize=1<<a+6,u.pending_buf_size=4*u.lit_bufsize,u.pending_buf=new i.Buf8(u.pending_buf_size),u.d_buf=1*u.lit_bufsize,u.l_buf=3*u.lit_bufsize,u.level=t,u.strategy=o,u.method=n,fe(e)}r=[new ue(0,0,0,0,function(e,t){var n=65535;for(n>e.pending_buf_size-5&&(n=e.pending_buf_size-5);;){if(e.lookahead<=1){if(ae(e),0===e.lookahead&&t===l)return G;if(0===e.lookahead)break}e.strstart+=e.lookahead,e.lookahead=0;var 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K(e,0===e.avail_out?_:v);if(i.strm=e,n=i.last_flush,i.last_flush=t,i.status===N)if(2===i.wrap)e.adler=0,ne(i,31),ne(i,139),ne(i,8),i.gzhead?(ne(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),ne(i,255&i.gzhead.time),ne(i,i.gzhead.time>>8&255),ne(i,i.gzhead.time>>16&255),ne(i,i.gzhead.time>>24&255),ne(i,9===i.level?2:i.strategy>=y||i.level<2?4:0),ne(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(ne(i,255&i.gzhead.extra.length),ne(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=s(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=U):(ne(i,0),ne(i,0),ne(i,0),ne(i,0),ne(i,0),ne(i,9===i.level?2:i.strategy>=y||i.level<2?4:0),ne(i,$),i.status=W);else{var m=S+(i.w_bits-8<<4)<<8;m|=(i.strategy>=y||i.level<2?0:i.level<6?1:6===i.level?2:3)<<6,0!==i.strstart&&(m|=O),m+=31-m%31,i.status=W,re(i,m),0!==i.strstart&&(re(i,e.adler>>>16),re(i,65535&e.adler)),e.adler=1}if(i.status===U)if(i.gzhead.extra){for(o=i.pending;i.gzindex<(65535&i.gzhead.extra.length)&&(i.pending!==i.pending_buf_size||(i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),ee(e),o=i.pending,i.pending!==i.pending_buf_size));)ne(i,255&i.gzhead.extra[i.gzindex]),i.gzindex++;i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),i.gzindex===i.gzhead.extra.length&&(i.gzindex=0,i.status=F)}else i.status=F;if(i.status===F)if(i.gzhead.name){o=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),ee(e),o=i.pending,i.pending===i.pending_buf_size)){u=1;break}u=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,ne(i,u)}while(0!==u);i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),0===u&&(i.gzindex=0,i.status=q)}else i.status=q;if(i.status===q)if(i.gzhead.comment){o=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),ee(e),o=i.pending,i.pending===i.pending_buf_size)){u=1;break}u=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,ne(i,u)}while(0!==u);i.gzhead.hcrc&&i.pending>o&&(e.adler=s(e.adler,i.pending_buf,i.pending-o,o)),0===u&&(i.status=V)}else i.status=V;if(i.status===V&&(i.gzhead.hcrc?(i.pending+2>i.pending_buf_size&&ee(e),i.pending+2<=i.pending_buf_size&&(ne(i,255&e.adler),ne(i,e.adler>>8&255),e.adler=0,i.status=W)):i.status=W),0!==i.pending){if(ee(e),0===e.avail_out)return i.last_flush=-1,d}else if(0===e.avail_in&&J(t)<=J(n)&&t!==h)return K(e,_);if(i.status===Z&&0!==e.avail_in)return K(e,_);if(0!==e.avail_in||0!==i.lookahead||t!==l&&i.status!==Z){var w=i.strategy===y?function(e,t){for(var n;;){if(0===e.lookahead&&(ae(e),0===e.lookahead)){if(t===l)return G;break}if(e.match_length=0,n=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,n&&(te(e,!1),0===e.strm.avail_out))return G}return e.insert=0,t===h?(te(e,!0),0===e.strm.avail_out?H:X):e.last_lit&&(te(e,!1),0===e.strm.avail_out)?G:Y}(i,t):i.strategy===x?function(e,t){for(var n,r,i,o,s=e.window;;){if(e.lookahead<=z){if(ae(e),e.lookahead<=z&&t===l)return G;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=D&&e.strstart>0&&(r=s[i=e.strstart-1])===s[++i]&&r===s[++i]&&r===s[++i]){o=e.strstart+z;do{}while(r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&i<o);e.match_length=z-(o-i),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=D?(n=a._tr_tally(e,1,e.match_length-D),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(n=a._tr_tally(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),n&&(te(e,!1),0===e.strm.avail_out))return G}return e.insert=0,t===h?(te(e,!0),0===e.strm.avail_out?H:X):e.last_lit&&(te(e,!1),0===e.strm.avail_out)?G:Y}(i,t):r[i.level].func(i,t);if(w!==H&&w!==X||(i.status=Z),w===G||w===H)return 0===e.avail_out&&(i.last_flush=-1),d;if(w===Y&&(t===f?a._tr_align(i):t!==p&&(a._tr_stored_block(i,0,0,!1),t===c&&(Q(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),ee(e),0===e.avail_out))return i.last_flush=-1,d}return t!==h?d:i.wrap<=0?g:(2===i.wrap?(ne(i,255&e.adler),ne(i,e.adler>>8&255),ne(i,e.adler>>16&255),ne(i,e.adler>>24&255),ne(i,255&e.total_in),ne(i,e.total_in>>8&255),ne(i,e.total_in>>16&255),ne(i,e.total_in>>24&255)):(re(i,e.adler>>>16),re(i,65535&e.adler)),ee(e),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?d:g)},n.deflateEnd=function(e){var t;return e&&e.state?(t=e.state.status)!==N&&t!==U&&t!==F&&t!==q&&t!==V&&t!==W&&t!==Z?K(e,v):(e.state=null,t===W?K(e,m):d):v},n.deflateSetDictionary=function(e,t){var n,r,a,s,u,l,f,c,h=t.length;if(!e||!e.state)return v;if(2===(s=(n=e.state).wrap)||1===s&&n.status!==N||n.lookahead)return v;for(1===s&&(e.adler=o(e.adler,t,h,0)),n.wrap=0,h>=n.w_size&&(0===s&&(Q(n.head),n.strstart=0,n.block_start=0,n.insert=0),c=new i.Buf8(n.w_size),i.arraySet(c,t,h-n.w_size,n.w_size,0),t=c,h=n.w_size),u=e.avail_in,l=e.next_in,f=e.input,e.avail_in=h,e.next_in=0,e.input=t,ae(n);n.lookahead>=D;){r=n.strstart,a=n.lookahead-(D-1);do{n.ins_h=(n.ins_h<<n.hash_shift^n.window[r+D-1])&n.hash_mask,n.prev[r&n.w_mask]=n.head[n.ins_h],n.head[n.ins_h]=r,r++}while(--a);n.strstart=r,n.lookahead=D-1,ae(n)}return n.strstart+=n.lookahead,n.block_start=n.strstart,n.insert=n.lookahead,n.lookahead=0,n.match_length=n.prev_length=D-1,n.match_available=0,e.next_in=l,e.input=f,e.avail_in=u,n.wrap=s,d},n.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":70,"./adler32":71,"./crc32":73,"./messages":78,"./trees":79}],75:[function(e,t,n){"use strict";t.exports=function(e,t){var n,r,i,a,o,s,u,l,f,c,h,p,d,g,v,m,_,w,b,y,x,k,E,A,S;n=e.state,r=e.next_in,A=e.input,i=r+(e.avail_in-5),a=e.next_out,S=e.output,o=a-(t-e.avail_out),s=a+(e.avail_out-257),u=n.dmax,l=n.wsize,f=n.whave,c=n.wnext,h=n.window,p=n.hold,d=n.bits,g=n.lencode,v=n.distcode,m=(1<<n.lenbits)-1,_=(1<<n.distbits)-1;e:do{d<15&&(p+=A[r++]<<d,d+=8,p+=A[r++]<<d,d+=8),w=g[p&m];t:for(;;){if(p>>>=b=w>>>24,d-=b,0===(b=w>>>16&255))S[a++]=65535&w;else{if(!(16&b)){if(0==(64&b)){w=g[(65535&w)+(p&(1<<b)-1)];continue t}if(32&b){n.mode=12;break e}e.msg="invalid literal/length code",n.mode=30;break e}y=65535&w,(b&=15)&&(d<b&&(p+=A[r++]<<d,d+=8),y+=p&(1<<b)-1,p>>>=b,d-=b),d<15&&(p+=A[r++]<<d,d+=8,p+=A[r++]<<d,d+=8),w=v[p&_];n:for(;;){if(p>>>=b=w>>>24,d-=b,!(16&(b=w>>>16&255))){if(0==(64&b)){w=v[(65535&w)+(p&(1<<b)-1)];continue n}e.msg="invalid distance code",n.mode=30;break e}if(x=65535&w,d<(b&=15)&&(p+=A[r++]<<d,(d+=8)<b&&(p+=A[r++]<<d,d+=8)),(x+=p&(1<<b)-1)>u){e.msg="invalid distance too far back",n.mode=30;break e}if(p>>>=b,d-=b,x>(b=a-o)){if((b=x-b)>f&&n.sane){e.msg="invalid distance too far back",n.mode=30;break e}if(k=0,E=h,0===c){if(k+=l-b,b<y){y-=b;do{S[a++]=h[k++]}while(--b);k=a-x,E=S}}else if(c<b){if(k+=l+c-b,(b-=c)<y){y-=b;do{S[a++]=h[k++]}while(--b);if(k=0,c<y){y-=b=c;do{S[a++]=h[k++]}while(--b);k=a-x,E=S}}}else if(k+=c-b,b<y){y-=b;do{S[a++]=h[k++]}while(--b);k=a-x,E=S}for(;y>2;)S[a++]=E[k++],S[a++]=E[k++],S[a++]=E[k++],y-=3;y&&(S[a++]=E[k++],y>1&&(S[a++]=E[k++]))}else{k=a-x;do{S[a++]=S[k++],S[a++]=S[k++],S[a++]=S[k++],y-=3}while(y>2);y&&(S[a++]=S[k++],y>1&&(S[a++]=S[k++]))}break}}break}}while(r<i&&a<s);r-=y=d>>3,p&=(1<<(d-=y<<3))-1,e.next_in=r,e.next_out=a,e.avail_in=r<i?i-r+5:5-(r-i),e.avail_out=a<s?s-a+257:257-(a-s),n.hold=p,n.bits=d}},{}],76:[function(e,t,n){"use strict";var r=e("../utils/common"),i=e("./adler32"),a=e("./crc32"),o=e("./inffast"),s=e("./inftrees"),u=0,l=1,f=2,c=4,h=5,p=6,d=0,g=1,v=2,m=-2,_=-3,w=-4,b=-5,y=8,x=1,k=2,E=3,A=4,S=5,T=6,M=7,R=8,I=9,j=10,C=11,L=12,B=13,D=14,z=15,P=16,O=17,N=18,U=19,F=20,q=21,V=22,W=23,Z=24,G=25,Y=26,H=27,X=28,$=29,K=30,J=31,Q=32,ee=852,te=592,ne=15;function re(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function ie(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=x,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new r.Buf32(ee),t.distcode=t.distdyn=new r.Buf32(te),t.sane=1,t.back=-1,d):m}function ae(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,ie(e)):m}function oe(e,t){var n,r;return e&&e.state?(r=e.state,t<0?(n=0,t=-t):(n=1+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?m:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=n,r.wbits=t,ae(e))):m}function se(e,t){var n,i;return e?(i=new function(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new r.Buf16(320),this.work=new r.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0},e.state=i,i.window=null,(n=oe(e,t))!==d&&(e.state=null),n):m}var ue,le,fe=!0;function ce(e){if(fe){var t;for(ue=new r.Buf32(512),le=new r.Buf32(32),t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(s(l,e.lens,0,288,ue,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;s(f,e.lens,0,32,le,0,e.work,{bits:5}),fe=!1}e.lencode=ue,e.lenbits=9,e.distcode=le,e.distbits=5}function he(e,t,n,i){var a,o=e.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new r.Buf8(o.wsize)),i>=o.wsize?(r.arraySet(o.window,t,n-o.wsize,o.wsize,0),o.wnext=0,o.whave=o.wsize):((a=o.wsize-o.wnext)>i&&(a=i),r.arraySet(o.window,t,n-i,a,o.wnext),(i-=a)?(r.arraySet(o.window,t,n-i,i,0),o.wnext=i,o.whave=o.wsize):(o.wnext+=a,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=a))),0}n.inflateReset=ae,n.inflateReset2=oe,n.inflateResetKeep=ie,n.inflateInit=function(e){return se(e,ne)},n.inflateInit2=se,n.inflate=function(e,t){var n,ee,te,ne,ie,ae,oe,se,ue,le,fe,pe,de,ge,ve,me,_e,we,be,ye,xe,ke,Ee,Ae,Se=0,Te=new r.Buf8(4),Me=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&0!==e.avail_in)return m;(n=e.state).mode===L&&(n.mode=B),ie=e.next_out,te=e.output,oe=e.avail_out,ne=e.next_in,ee=e.input,ae=e.avail_in,se=n.hold,ue=n.bits,le=ae,fe=oe,ke=d;e:for(;;)switch(n.mode){case x:if(0===n.wrap){n.mode=B;break}for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(2&n.wrap&&35615===se){n.check=0,Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0),se=0,ue=0,n.mode=k;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&se)<<8)+(se>>8))%31){e.msg="incorrect header check",n.mode=K;break}if((15&se)!==y){e.msg="unknown compression method",n.mode=K;break}if(ue-=4,xe=8+(15&(se>>>=4)),0===n.wbits)n.wbits=xe;else if(xe>n.wbits){e.msg="invalid window size",n.mode=K;break}n.dmax=1<<xe,e.adler=n.check=1,n.mode=512&se?j:L,se=0,ue=0;break;case k:for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(n.flags=se,(255&n.flags)!==y){e.msg="unknown compression method",n.mode=K;break}if(57344&n.flags){e.msg="unknown header flags set",n.mode=K;break}n.head&&(n.head.text=se>>8&1),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0)),se=0,ue=0,n.mode=E;case E:for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.head&&(n.head.time=se),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,Te[2]=se>>>16&255,Te[3]=se>>>24&255,n.check=a(n.check,Te,4,0)),se=0,ue=0,n.mode=A;case A:for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.head&&(n.head.xflags=255&se,n.head.os=se>>8),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0)),se=0,ue=0,n.mode=S;case S:if(1024&n.flags){for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.length=se,n.head&&(n.head.extra_len=se),512&n.flags&&(Te[0]=255&se,Te[1]=se>>>8&255,n.check=a(n.check,Te,2,0)),se=0,ue=0}else n.head&&(n.head.extra=null);n.mode=T;case T:if(1024&n.flags&&((pe=n.length)>ae&&(pe=ae),pe&&(n.head&&(xe=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),r.arraySet(n.head.extra,ee,ne,pe,xe)),512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,n.length-=pe),n.length))break e;n.length=0,n.mode=M;case M:if(2048&n.flags){if(0===ae)break e;pe=0;do{xe=ee[ne+pe++],n.head&&xe&&n.length<65536&&(n.head.name+=String.fromCharCode(xe))}while(xe&&pe<ae);if(512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,xe)break e}else n.head&&(n.head.name=null);n.length=0,n.mode=R;case R:if(4096&n.flags){if(0===ae)break e;pe=0;do{xe=ee[ne+pe++],n.head&&xe&&n.length<65536&&(n.head.comment+=String.fromCharCode(xe))}while(xe&&pe<ae);if(512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,xe)break e}else n.head&&(n.head.comment=null);n.mode=I;case I:if(512&n.flags){for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(se!==(65535&n.check)){e.msg="header crc mismatch",n.mode=K;break}se=0,ue=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),e.adler=n.check=0,n.mode=L;break;case j:for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}e.adler=n.check=re(se),se=0,ue=0,n.mode=C;case C:if(0===n.havedict)return e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,v;e.adler=n.check=1,n.mode=L;case L:if(t===h||t===p)break e;case B:if(n.last){se>>>=7&ue,ue-=7&ue,n.mode=H;break}for(;ue<3;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}switch(n.last=1&se,ue-=1,3&(se>>>=1)){case 0:n.mode=D;break;case 1:if(ce(n),n.mode=F,t===p){se>>>=2,ue-=2;break e}break;case 2:n.mode=O;break;case 3:e.msg="invalid block type",n.mode=K}se>>>=2,ue-=2;break;case D:for(se>>>=7&ue,ue-=7&ue;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if((65535&se)!=(se>>>16^65535)){e.msg="invalid stored block lengths",n.mode=K;break}if(n.length=65535&se,se=0,ue=0,n.mode=z,t===p)break e;case z:n.mode=P;case P:if(pe=n.length){if(pe>ae&&(pe=ae),pe>oe&&(pe=oe),0===pe)break e;r.arraySet(te,ee,ne,pe,ie),ae-=pe,ne+=pe,oe-=pe,ie+=pe,n.length-=pe;break}n.mode=L;break;case O:for(;ue<14;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(n.nlen=257+(31&se),se>>>=5,ue-=5,n.ndist=1+(31&se),se>>>=5,ue-=5,n.ncode=4+(15&se),se>>>=4,ue-=4,n.nlen>286||n.ndist>30){e.msg="too many length or distance symbols",n.mode=K;break}n.have=0,n.mode=N;case N:for(;n.have<n.ncode;){for(;ue<3;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.lens[Me[n.have++]]=7&se,se>>>=3,ue-=3}for(;n.have<19;)n.lens[Me[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,Ee={bits:n.lenbits},ke=s(u,n.lens,0,19,n.lencode,0,n.work,Ee),n.lenbits=Ee.bits,ke){e.msg="invalid code lengths set",n.mode=K;break}n.have=0,n.mode=U;case U:for(;n.have<n.nlen+n.ndist;){for(;me=(Se=n.lencode[se&(1<<n.lenbits)-1])>>>16&255,_e=65535&Se,!((ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(_e<16)se>>>=ve,ue-=ve,n.lens[n.have++]=_e;else{if(16===_e){for(Ae=ve+2;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(se>>>=ve,ue-=ve,0===n.have){e.msg="invalid bit length repeat",n.mode=K;break}xe=n.lens[n.have-1],pe=3+(3&se),se>>>=2,ue-=2}else if(17===_e){for(Ae=ve+3;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}ue-=ve,xe=0,pe=3+(7&(se>>>=ve)),se>>>=3,ue-=3}else{for(Ae=ve+7;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}ue-=ve,xe=0,pe=11+(127&(se>>>=ve)),se>>>=7,ue-=7}if(n.have+pe>n.nlen+n.ndist){e.msg="invalid bit length repeat",n.mode=K;break}for(;pe--;)n.lens[n.have++]=xe}}if(n.mode===K)break;if(0===n.lens[256]){e.msg="invalid code -- missing end-of-block",n.mode=K;break}if(n.lenbits=9,Ee={bits:n.lenbits},ke=s(l,n.lens,0,n.nlen,n.lencode,0,n.work,Ee),n.lenbits=Ee.bits,ke){e.msg="invalid literal/lengths set",n.mode=K;break}if(n.distbits=6,n.distcode=n.distdyn,Ee={bits:n.distbits},ke=s(f,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,Ee),n.distbits=Ee.bits,ke){e.msg="invalid distances set",n.mode=K;break}if(n.mode=F,t===p)break e;case F:n.mode=q;case q:if(ae>=6&&oe>=258){e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,o(e,fe),ie=e.next_out,te=e.output,oe=e.avail_out,ne=e.next_in,ee=e.input,ae=e.avail_in,se=n.hold,ue=n.bits,n.mode===L&&(n.back=-1);break}for(n.back=0;me=(Se=n.lencode[se&(1<<n.lenbits)-1])>>>16&255,_e=65535&Se,!((ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(me&&0==(240&me)){for(we=ve,be=me,ye=_e;me=(Se=n.lencode[ye+((se&(1<<we+be)-1)>>we)])>>>16&255,_e=65535&Se,!(we+(ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}se>>>=we,ue-=we,n.back+=we}if(se>>>=ve,ue-=ve,n.back+=ve,n.length=_e,0===me){n.mode=Y;break}if(32&me){n.back=-1,n.mode=L;break}if(64&me){e.msg="invalid literal/length code",n.mode=K;break}n.extra=15&me,n.mode=V;case V:if(n.extra){for(Ae=n.extra;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.length+=se&(1<<n.extra)-1,se>>>=n.extra,ue-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=W;case W:for(;me=(Se=n.distcode[se&(1<<n.distbits)-1])>>>16&255,_e=65535&Se,!((ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(0==(240&me)){for(we=ve,be=me,ye=_e;me=(Se=n.distcode[ye+((se&(1<<we+be)-1)>>we)])>>>16&255,_e=65535&Se,!(we+(ve=Se>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}se>>>=we,ue-=we,n.back+=we}if(se>>>=ve,ue-=ve,n.back+=ve,64&me){e.msg="invalid distance code",n.mode=K;break}n.offset=_e,n.extra=15&me,n.mode=Z;case Z:if(n.extra){for(Ae=n.extra;ue<Ae;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}n.offset+=se&(1<<n.extra)-1,se>>>=n.extra,ue-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){e.msg="invalid distance too far back",n.mode=K;break}n.mode=G;case G:if(0===oe)break e;if(pe=fe-oe,n.offset>pe){if((pe=n.offset-pe)>n.whave&&n.sane){e.msg="invalid distance too far back",n.mode=K;break}pe>n.wnext?(pe-=n.wnext,de=n.wsize-pe):de=n.wnext-pe,pe>n.length&&(pe=n.length),ge=n.window}else ge=te,de=ie-n.offset,pe=n.length;pe>oe&&(pe=oe),oe-=pe,n.length-=pe;do{te[ie++]=ge[de++]}while(--pe);0===n.length&&(n.mode=q);break;case Y:if(0===oe)break e;te[ie++]=n.length,oe--,n.mode=q;break;case H:if(n.wrap){for(;ue<32;){if(0===ae)break e;ae--,se|=ee[ne++]<<ue,ue+=8}if(fe-=oe,e.total_out+=fe,n.total+=fe,fe&&(e.adler=n.check=n.flags?a(n.check,te,fe,ie-fe):i(n.check,te,fe,ie-fe)),fe=oe,(n.flags?se:re(se))!==n.check){e.msg="incorrect data check",n.mode=K;break}se=0,ue=0}n.mode=X;case X:if(n.wrap&&n.flags){for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<<ue,ue+=8}if(se!==(4294967295&n.total)){e.msg="incorrect length check",n.mode=K;break}se=0,ue=0}n.mode=$;case $:ke=g;break e;case K:ke=_;break e;case J:return w;case Q:default:return m}return e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,(n.wsize||fe!==e.avail_out&&n.mode<K&&(n.mode<H||t!==c))&&he(e,e.output,e.next_out,fe-e.avail_out)?(n.mode=J,w):(le-=e.avail_in,fe-=e.avail_out,e.total_in+=le,e.total_out+=fe,n.total+=fe,n.wrap&&fe&&(e.adler=n.check=n.flags?a(n.check,te,fe,e.next_out-fe):i(n.check,te,fe,e.next_out-fe)),e.data_type=n.bits+(n.last?64:0)+(n.mode===L?128:0)+(n.mode===F||n.mode===z?256:0),(0===le&&0===fe||t===c)&&ke===d&&(ke=b),ke)},n.inflateEnd=function(e){if(!e||!e.state)return m;var t=e.state;return t.window&&(t.window=null),e.state=null,d},n.inflateGetHeader=function(e,t){var n;return e&&e.state?0==(2&(n=e.state).wrap)?m:(n.head=t,t.done=!1,d):m},n.inflateSetDictionary=function(e,t){var n,r=t.length;return e&&e.state?0!==(n=e.state).wrap&&n.mode!==C?m:n.mode===C&&i(1,t,r,0)!==n.check?_:he(e,t,r,r)?(n.mode=J,w):(n.havedict=1,d):m},n.inflateInfo="pako inflate (from Nodeca 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l[f++]=20971520,l[f++]=20971520,h.bits=1,0;for(A=1;A<S&&0===D[A];A++);for(T<A&&(T=A),I=1,k=1;k<=15;k++)if(I<<=1,(I-=D[k])<0)return-1;if(I>0&&(0===e||1!==S))return-1;for(z[1]=0,k=1;k<15;k++)z[k+1]=z[k]+D[k];for(E=0;E<u;E++)0!==t[n+E]&&(c[z[t[n+E]]++]=E);if(0===e?(L=P=c,_=19):1===e?(L=i,B-=257,P=a,O-=257,_=256):(L=o,P=s,_=-1),C=0,E=0,k=A,m=f,M=T,R=0,g=-1,v=(j=1<<T)-1,1===e&&j>852||2===e&&j>592)return 1;for(;;){0,w=k-R,c[E]<_?(b=0,y=c[E]):c[E]>_?(b=P[O+c[E]],y=L[B+c[E]]):(b=96,y=0),p=1<<k-R,A=d=1<<M;do{l[m+(C>>R)+(d-=p)]=w<<24|b<<16|y|0}while(0!==d);for(p=1<<k-1;C&p;)p>>=1;if(0!==p?(C&=p-1,C+=p):C=0,E++,0==--D[k]){if(k===S)break;k=t[n+c[E]]}if(k>T&&(C&v)!==g){for(0===R&&(R=T),m+=A,I=1<<(M=k-R);M+R<S&&!((I-=D[M+R])<=0);)M++,I<<=1;if(j+=1<<M,1===e&&j>852||2===e&&j>592)return 1;l[g=C&v]=T<<24|M<<16|m-f|0}}return 0!==C&&(l[m+C]=k-R<<24|64<<16|0),h.bits=T,0}},{"../utils/common":70}],78:[function(e,t,n){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file 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r=e.heap[n],i=n<<1;i<=e.heap_len&&(i<e.heap_len&&H(t,e.heap[i+1],e.heap[i],e.depth)&&i++,!H(t,r,e.heap[i],e.depth));)e.heap[n]=e.heap[i],n=i,i<<=1;e.heap[n]=r}function $(e,t,n){var r,i,a,o,s=0;if(0!==e.last_lit)do{r=e.pending_buf[e.d_buf+2*s]<<8|e.pending_buf[e.d_buf+2*s+1],i=e.pending_buf[e.l_buf+s],s++,0===r?V(e,i,t):(V(e,(a=C[i])+p+1,t),0!==(o=A[a])&&q(e,i-=L[a],o),V(e,a=U(--r),n),0!==(o=S[a])&&q(e,r-=P[a],o))}while(s<e.last_lit);V(e,y,t)}function K(e,t){var n,r,i,a=t.dyn_tree,o=t.stat_desc.static_tree,s=t.stat_desc.has_stree,u=t.stat_desc.elems,l=-1;for(e.heap_len=0,e.heap_max=m,n=0;n<u;n++)0!==a[2*n]?(e.heap[++e.heap_len]=l=n,e.depth[n]=0):a[2*n+1]=0;for(;e.heap_len<2;)a[2*(i=e.heap[++e.heap_len]=l<2?++l:0)]=1,e.depth[i]=0,e.opt_len--,s&&(e.static_len-=o[2*i+1]);for(t.max_code=l,n=e.heap_len>>1;n>=1;n--)X(e,a,n);i=u;do{n=e.heap[1],e.heap[1]=e.heap[e.heap_len--],X(e,a,1),r=e.heap[1],e.heap[--e.heap_max]=n,e.heap[--e.heap_max]=r,a[2*i]=a[2*n]+a[2*r],e.depth[i]=(e.depth[n]>=e.depth[r]?e.depth[n]:e.depth[r])+1,a[2*n+1]=a[2*r+1]=i,e.heap[1]=i++,X(e,a,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],function(e,t){var n,r,i,a,o,s,u=t.dyn_tree,l=t.max_code,f=t.stat_desc.static_tree,c=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,p=t.stat_desc.extra_base,d=t.stat_desc.max_length,g=0;for(a=0;a<=_;a++)e.bl_count[a]=0;for(u[2*e.heap[e.heap_max]+1]=0,n=e.heap_max+1;n<m;n++)(a=u[2*u[2*(r=e.heap[n])+1]+1]+1)>d&&(a=d,g++),u[2*r+1]=a,r>l||(e.bl_count[a]++,o=0,r>=p&&(o=h[r-p]),s=u[2*r],e.opt_len+=s*(a+o),c&&(e.static_len+=s*(f[2*r+1]+o)));if(0!==g){do{for(a=d-1;0===e.bl_count[a];)a--;e.bl_count[a]--,e.bl_count[a+1]+=2,e.bl_count[d]--,g-=2}while(g>0);for(a=d;0!==a;a--)for(r=e.bl_count[a];0!==r;)(i=e.heap[--n])>l||(u[2*i+1]!==a&&(e.opt_len+=(a-u[2*i+1])*u[2*i],u[2*i+1]=a),r--)}}(e,t),Z(a,l,e.bl_count)}function J(e,t,n){var r,i,a=-1,o=t[1],s=0,u=7,l=4;for(0===o&&(u=138,l=3),t[2*(n+1)+1]=65535,r=0;r<=n;r++)i=o,o=t[2*(r+1)+1],++s<u&&i===o||(s<l?e.bl_tree[2*i]+=s:0!==i?(i!==a&&e.bl_tree[2*i]++,e.bl_tree[2*x]++):s<=10?e.bl_tree[2*k]++:e.bl_tree[2*E]++,s=0,a=i,0===o?(u=138,l=3):i===o?(u=6,l=3):(u=7,l=4))}function Q(e,t,n){var r,i,a=-1,o=t[1],s=0,u=7,l=4;for(0===o&&(u=138,l=3),r=0;r<=n;r++)if(i=o,o=t[2*(r+1)+1],!(++s<u&&i===o)){if(s<l)do{V(e,i,e.bl_tree)}while(0!=--s);else 0!==i?(i!==a&&(V(e,i,e.bl_tree),s--),V(e,x,e.bl_tree),q(e,s-3,2)):s<=10?(V(e,k,e.bl_tree),q(e,s-3,3)):(V(e,E,e.bl_tree),q(e,s-11,7));s=0,a=i,0===o?(u=138,l=3):i===o?(u=6,l=3):(u=7,l=4)}}u(P);var ee=!1;function te(e,t,n,i){q(e,(l<<1)+(i?1:0),3),function(e,t,n,i){Y(e),i&&(F(e,n),F(e,~n)),r.arraySet(e.pending_buf,e.window,t,n,e.pending),e.pending+=n}(e,t,n,!0)}n._tr_init=function(e){ee||(function(){var e,t,n,r,i,a=new Array(_+1);for(n=0,r=0;r<h-1;r++)for(L[r]=n,e=0;e<1<<A[r];e++)C[n++]=r;for(C[n-1]=r,i=0,r=0;r<16;r++)for(P[r]=i,e=0;e<1<<S[r];e++)j[i++]=r;for(i>>=7;r<g;r++)for(P[r]=i<<7,e=0;e<1<<S[r]-7;e++)j[256+i++]=r;for(t=0;t<=_;t++)a[t]=0;for(e=0;e<=143;)R[2*e+1]=8,e++,a[8]++;for(;e<=255;)R[2*e+1]=9,e++,a[9]++;for(;e<=279;)R[2*e+1]=7,e++,a[7]++;for(;e<=287;)R[2*e+1]=8,e++,a[8]++;for(Z(R,d+1,a),e=0;e<g;e++)I[2*e+1]=5,I[2*e]=W(e,5);B=new O(R,A,p+1,d,_),D=new O(I,S,0,g,_),z=new O(new Array(0),T,0,v,b)}(),ee=!0),e.l_desc=new N(e.dyn_ltree,B),e.d_desc=new N(e.dyn_dtree,D),e.bl_desc=new N(e.bl_tree,z),e.bi_buf=0,e.bi_valid=0,G(e)},n._tr_stored_block=te,n._tr_flush_block=function(e,t,n,r){var u,l,h=0;e.level>0?(e.strm.data_type===s&&(e.strm.data_type=function(e){var t,n=4093624447;for(t=0;t<=31;t++,n>>>=1)if(1&n&&0!==e.dyn_ltree[2*t])return a;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return o;for(t=32;t<p;t++)if(0!==e.dyn_ltree[2*t])return o;return 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u=0;u<n;u++){for(var l=0;l<4;l++)t[o+l]=Math.floor(255*e[o+l]/a+.5);o+=4}}(t,l,i,a,r))),l}}).call(this,e("buffer").Buffer)},{buffer:8}],92:[function(e,t,n){"use strict";var r=[{x:[0],y:[0]},{x:[4],y:[0]},{x:[0,4],y:[4]},{x:[2,6],y:[0,4]},{x:[0,2,4,6],y:[2,6]},{x:[1,3,5,7],y:[0,2,4,6]},{x:[0,1,2,3,4,5,6,7],y:[1,3,5,7]}];n.getImagePasses=function(e,t){for(var n=[],i=e%8,a=t%8,o=(e-i)/8,s=(t-a)/8,u=0;u<r.length;u++){for(var l=r[u],f=o*l.x.length,c=s*l.y.length,h=0;h<l.x.length&&l.x[h]<i;h++)f++;for(h=0;h<l.y.length&&l.y[h]<a;h++)c++;f>0&&c>0&&n.push({width:f,height:c,index:u})}return n},n.getInterlaceIterator=function(e){return function(t,n,i){var a=t%r[i].x.length,o=(t-a)/r[i].x.length*8+r[i].x[a],s=n%r[i].y.length;return 4*o+((n-s)/r[i].y.length*8+r[i].y[s])*e*4}}},{}],93:[function(e,t,n){(function(n){"use strict";var r=e("util"),i=e("stream"),a=e("./constants"),o=e("./packer"),s=t.exports=function(e){i.call(this);var t=e||{};this._packer=new o(t),this._deflate=this._packer.createDeflate(),this.readable=!0};r.inherits(s,i),s.prototype.pack=function(e,t,r,i){this.emit("data",new n(a.PNG_SIGNATURE)),this.emit("data",this._packer.packIHDR(t,r)),i&&this.emit("data",this._packer.packGAMA(i));var o=this._packer.filterData(e,t,r);this._deflate.on("error",this.emit.bind(this,"error")),this._deflate.on("data",function(e){this.emit("data",this._packer.packIDAT(e))}.bind(this)),this._deflate.on("end",function(){this.emit("data",this._packer.packIEND()),this.emit("end")}.bind(this)),this._deflate.end(o)}}).call(this,e("buffer").Buffer)},{"./constants":85,"./packer":95,buffer:8,stream:121,util:131}],94:[function(e,t,n){(function(n){"use strict";var r=!0,i=e("zlib");i.deflateSync||(r=!1);var a=e("./constants"),o=e("./packer");t.exports=function(e,t){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var s=new o(t||{}),u=[];u.push(new n(a.PNG_SIGNATURE)),u.push(s.packIHDR(e.width,e.height)),e.gamma&&u.push(s.packGAMA(e.gamma));var l=s.filterData(e.data,e.width,e.height),f=i.deflateSync(l,s.getDeflateOptions());if(l=null,!f||!f.length)throw new Error("bad png - invalid compressed data response");return u.push(s.packIDAT(f)),u.push(s.packIEND()),n.concat(u)}}).call(this,e("buffer").Buffer)},{"./constants":85,"./packer":95,buffer:8,zlib:6}],95:[function(e,t,n){(function(n){"use strict";var r=e("./constants"),i=e("./crc"),a=e("./bitpacker"),o=e("./filter-pack"),s=e("zlib"),u=t.exports=function(e){if(this._options=e,e.deflateChunkSize=e.deflateChunkSize||32768,e.deflateLevel=null!=e.deflateLevel?e.deflateLevel:9,e.deflateStrategy=null!=e.deflateStrategy?e.deflateStrategy:3,e.inputHasAlpha=null==e.inputHasAlpha||e.inputHasAlpha,e.deflateFactory=e.deflateFactory||s.createDeflate,e.bitDepth=e.bitDepth||8,e.colorType="number"==typeof e.colorType?e.colorType:r.COLORTYPE_COLOR_ALPHA,e.colorType!==r.COLORTYPE_COLOR&&e.colorType!==r.COLORTYPE_COLOR_ALPHA)throw new Error("option color type:"+e.colorType+" is not supported at present");if(8!==e.bitDepth)throw new Error("option bit depth:"+e.bitDepth+" is not supported at present")};u.prototype.getDeflateOptions=function(){return{chunkSize:this._options.deflateChunkSize,level:this._options.deflateLevel,strategy:this._options.deflateStrategy}},u.prototype.createDeflate=function(){return this._options.deflateFactory(this.getDeflateOptions())},u.prototype.filterData=function(e,t,n){var i=a(e,t,n,this._options),s=r.COLORTYPE_TO_BPP_MAP[this._options.colorType];return o(i,t,n,this._options,s)},u.prototype._packChunk=function(e,t){var r=t?t.length:0,a=new n(r+12);return a.writeUInt32BE(r,0),a.writeUInt32BE(e,4),t&&t.copy(a,8),a.writeInt32BE(i.crc32(a.slice(4,a.length-4)),a.length-4),a},u.prototype.packGAMA=function(e){var t=new n(4);return t.writeUInt32BE(Math.floor(e*r.GAMMA_DIVISION),0),this._packChunk(r.TYPE_gAMA,t)},u.prototype.packIHDR=function(e,t){var i=new n(13);return i.writeUInt32BE(e,0),i.writeUInt32BE(t,4),i[8]=this._options.bitDepth,i[9]=this._options.colorType,i[10]=0,i[11]=0,i[12]=0,this._packChunk(r.TYPE_IHDR,i)},u.prototype.packIDAT=function(e){return this._packChunk(r.TYPE_IDAT,e)},u.prototype.packIEND=function(){return this._packChunk(r.TYPE_IEND,null)}}).call(this,e("buffer").Buffer)},{"./bitpacker":83,"./constants":85,"./crc":86,"./filter-pack":87,buffer:8,zlib:6}],96:[function(e,t,n){"use strict";t.exports=function(e,t,n){var r=e+t-n,i=Math.abs(r-e),a=Math.abs(r-t),o=Math.abs(r-n);return i<=a&&i<=o?e:a<=o?t:n}},{}],97:[function(e,t,n){"use strict";var r=e("util"),i=e("zlib"),a=e("./chunkstream"),o=e("./filter-parse-async"),s=e("./parser"),u=e("./bitmapper"),l=e("./format-normaliser"),f=t.exports=function(e){a.call(this),this._parser=new s(e,{read:this.read.bind(this),error:this._handleError.bind(this),metadata:this._handleMetaData.bind(this),gamma:this.emit.bind(this,"gamma"),palette:this._handlePalette.bind(this),transColor:this._handleTransColor.bind(this),finished:this._finished.bind(this),inflateData:this._inflateData.bind(this)}),this._options=e,this.writable=!0,this._parser.start()};r.inherits(f,a),f.prototype._handleError=function(e){this.emit("error",e),this.writable=!1,this.destroy(),this._inflate&&this._inflate.destroy&&this._inflate.destroy(),this.errord=!0},f.prototype._inflateData=function(e){this._inflate||(this._inflate=i.createInflate(),this._inflate.on("error",this.emit.bind(this,"error")),this._filter.on("complete",this._complete.bind(this)),this._inflate.pipe(this._filter)),this._inflate.write(e)},f.prototype._handleMetaData=function(e){this.emit("metadata",e),this._bitmapInfo=Object.create(e),this._filter=new o(this._bitmapInfo)},f.prototype._handleTransColor=function(e){this._bitmapInfo.transColor=e},f.prototype._handlePalette=function(e){this._bitmapInfo.palette=e},f.prototype._finished=function(){this.errord||(this._inflate?this._inflate.end():this.emit("error","No Inflate block"),this.destroySoon())},f.prototype._complete=function(e){if(!this.errord){try{var t=u.dataToBitMap(e,this._bitmapInfo),n=l(t,this._bitmapInfo);t=null}catch(e){return void this._handleError(e)}this.emit("parsed",n)}}},{"./bitmapper":82,"./chunkstream":84,"./filter-parse-async":88,"./format-normaliser":91,"./parser":99,util:131,zlib:6}],98:[function(e,t,n){(function(n){"use strict";var r=!0,i=e("zlib");i.deflateSync||(r=!1);var a=e("./sync-reader"),o=e("./filter-parse-sync"),s=e("./parser"),u=e("./bitmapper"),l=e("./format-normaliser");t.exports=function(e,t){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var f,c,h;var p=[];var d=new a(e);if(new s(t,{read:d.read.bind(d),error:function(e){f=e},metadata:function(e){c=e},gamma:function(e){h=e},palette:function(e){c.palette=e},transColor:function(e){c.transColor=e},inflateData:function(e){p.push(e)}}).start(),d.process(),f)throw f;var g=n.concat(p);p.length=0;var v=i.inflateSync(g);if(g=null,!v||!v.length)throw new Error("bad png - invalid inflate data response");var m=o.process(v,c);g=null;var _=u.dataToBitMap(m,c);m=null;var w=l(_,c);return c.data=w,c.gamma=h||0,c}}).call(this,e("buffer").Buffer)},{"./bitmapper":82,"./filter-parse-sync":89,"./format-normaliser":91,"./parser":99,"./sync-reader":102,buffer:8,zlib:6}],99:[function(e,t,n){(function(n){"use strict";var r=e("./constants"),i=e("./crc"),a=t.exports=function(e,t){this._options=e,e.checkCRC=!1!==e.checkCRC,this._hasIHDR=!1,this._hasIEND=!1,this._palette=[],this._colorType=0,this._chunks={},this._chunks[r.TYPE_IHDR]=this._handleIHDR.bind(this),this._chunks[r.TYPE_IEND]=this._handleIEND.bind(this),this._chunks[r.TYPE_IDAT]=this._handleIDAT.bind(this),this._chunks[r.TYPE_PLTE]=this._handlePLTE.bind(this),this._chunks[r.TYPE_tRNS]=this._handleTRNS.bind(this),this._chunks[r.TYPE_gAMA]=this._handleGAMA.bind(this),this.read=t.read,this.error=t.error,this.metadata=t.metadata,this.gamma=t.gamma,this.transColor=t.transColor,this.palette=t.palette,this.parsed=t.parsed,this.inflateData=t.inflateData,this.inflateData=t.inflateData,this.finished=t.finished};a.prototype.start=function(){this.read(r.PNG_SIGNATURE.length,this._parseSignature.bind(this))},a.prototype._parseSignature=function(e){for(var t=r.PNG_SIGNATURE,n=0;n<t.length;n++)if(e[n]!==t[n])return void this.error(new Error("Invalid file signature"));this.read(8,this._parseChunkBegin.bind(this))},a.prototype._parseChunkBegin=function(e){for(var t=e.readUInt32BE(0),a=e.readUInt32BE(4),o="",s=4;s<8;s++)o+=String.fromCharCode(e[s]);var u=Boolean(32&e[4]);if(this._hasIHDR||a===r.TYPE_IHDR){if(this._crc=new i,this._crc.write(new n(o)),this._chunks[a])return this._chunks[a](t);u?this.read(t+4,this._skipChunk.bind(this)):this.error(new Error("Unsupported critical chunk type "+o))}else this.error(new Error("Expected IHDR on beggining"))},a.prototype._skipChunk=function(){this.read(8,this._parseChunkBegin.bind(this))},a.prototype._handleChunkEnd=function(){this.read(4,this._parseChunkEnd.bind(this))},a.prototype._parseChunkEnd=function(e){var t=e.readInt32BE(0),n=this._crc.crc32();this._options.checkCRC&&n!==t?this.error(new Error("Crc error - "+t+" - "+n)):this._hasIEND||this.read(8,this._parseChunkBegin.bind(this))},a.prototype._handleIHDR=function(e){this.read(e,this._parseIHDR.bind(this))},a.prototype._parseIHDR=function(e){this._crc.write(e);var t=e.readUInt32BE(0),n=e.readUInt32BE(4),i=e[8],a=e[9],o=e[10],s=e[11],u=e[12];if(8===i||4===i||2===i||1===i||16===i)if(a in r.COLORTYPE_TO_BPP_MAP)if(0===o)if(0===s)if(0===u||1===u){this._colorType=a;var l=r.COLORTYPE_TO_BPP_MAP[this._colorType];this._hasIHDR=!0,this.metadata({width:t,height:n,depth:i,interlace:Boolean(u),palette:Boolean(a&r.COLORTYPE_PALETTE),color:Boolean(a&r.COLORTYPE_COLOR),alpha:Boolean(a&r.COLORTYPE_ALPHA),bpp:l,colorType:a}),this._handleChunkEnd()}else this.error(new Error("Unsupported interlace method"));else this.error(new Error("Unsupported filter method"));else this.error(new Error("Unsupported compression method"));else this.error(new Error("Unsupported color type"));else this.error(new Error("Unsupported bit depth "+i))},a.prototype._handlePLTE=function(e){this.read(e,this._parsePLTE.bind(this))},a.prototype._parsePLTE=function(e){this._crc.write(e);for(var t=Math.floor(e.length/3),n=0;n<t;n++)this._palette.push([e[3*n],e[3*n+1],e[3*n+2],255]);this.palette(this._palette),this._handleChunkEnd()},a.prototype._handleTRNS=function(e){this.read(e,this._parseTRNS.bind(this))},a.prototype._parseTRNS=function(e){if(this._crc.write(e),this._colorType===r.COLORTYPE_PALETTE_COLOR){if(0===this._palette.length)return void this.error(new Error("Transparency chunk must be after palette"));if(e.length>this._palette.length)return void this.error(new Error("More transparent colors than palette size"));for(var t=0;t<e.length;t++)this._palette[t][3]=e[t];this.palette(this._palette)}this._colorType===r.COLORTYPE_GRAYSCALE&&this.transColor([e.readUInt16BE(0)]),this._colorType===r.COLORTYPE_COLOR&&this.transColor([e.readUInt16BE(0),e.readUInt16BE(2),e.readUInt16BE(4)]),this._handleChunkEnd()},a.prototype._handleGAMA=function(e){this.read(e,this._parseGAMA.bind(this))},a.prototype._parseGAMA=function(e){this._crc.write(e),this.gamma(e.readUInt32BE(0)/r.GAMMA_DIVISION),this._handleChunkEnd()},a.prototype._handleIDAT=function(e){this.read(-e,this._parseIDAT.bind(this,e))},a.prototype._parseIDAT=function(e,t){if(this._crc.write(t),this._colorType===r.COLORTYPE_PALETTE_COLOR&&0===this._palette.length)throw new Error("Expected palette not found");this.inflateData(t);var n=e-t.length;n>0?this._handleIDAT(n):this._handleChunkEnd()},a.prototype._handleIEND=function(e){this.read(e,this._parseIEND.bind(this))},a.prototype._parseIEND=function(e){this._crc.write(e),this._hasIEND=!0,this._handleChunkEnd(),this.finished&&this.finished()}}).call(this,e("buffer").Buffer)},{"./constants":85,"./crc":86,buffer:8}],100:[function(e,t,n){"use strict";var r=e("./parser-sync"),i=e("./packer-sync");n.read=function(e,t){return r(e,t||{})},n.write=function(e){return i(e)}},{"./packer-sync":94,"./parser-sync":98}],101:[function(e,t,n){(function(t,r){"use strict";var i=e("util"),a=e("stream"),o=e("./parser-async"),s=e("./packer-async"),u=e("./png-sync"),l=n.PNG=function(e){a.call(this),e=e||{},this.width=e.width||0,this.height=e.height||0,this.data=this.width>0&&this.height>0?new r(4*this.width*this.height):null,e.fill&&this.data&&this.data.fill(0),this.gamma=0,this.readable=this.writable=!0,this._parser=new o(e),this._parser.on("error",this.emit.bind(this,"error")),this._parser.on("close",this._handleClose.bind(this)),this._parser.on("metadata",this._metadata.bind(this)),this._parser.on("gamma",this._gamma.bind(this)),this._parser.on("parsed",function(e){this.data=e,this.emit("parsed",e)}.bind(this)),this._packer=new s(e),this._packer.on("data",this.emit.bind(this,"data")),this._packer.on("end",this.emit.bind(this,"end")),this._parser.on("close",this._handleClose.bind(this)),this._packer.on("error",this.emit.bind(this,"error"))};i.inherits(l,a),l.sync=u,l.prototype.pack=function(){return this.data&&this.data.length?(t.nextTick(function(){this._packer.pack(this.data,this.width,this.height,this.gamma)}.bind(this)),this):(this.emit("error","No data provided"),this)},l.prototype.parse=function(e,t){var n,r;t&&(n=function(e){this.removeListener("error",r),this.data=e,t(null,this)}.bind(this),r=function(e){this.removeListener("parsed",n),t(e,null)}.bind(this),this.once("parsed",n),this.once("error",r));return this.end(e),this},l.prototype.write=function(e){return this._parser.write(e),!0},l.prototype.end=function(e){this._parser.end(e)},l.prototype._metadata=function(e){this.width=e.width,this.height=e.height,this.emit("metadata",e)},l.prototype._gamma=function(e){this.gamma=e},l.prototype._handleClose=function(){this._parser.writable||this._packer.readable||this.emit("close")},l.bitblt=function(e,t,n,r,i,a,o,s){if(n>e.width||r>e.height||n+i>e.width||r+a>e.height)throw new Error("bitblt reading outside image");if(o>t.width||s>t.height||o+i>t.width||s+a>t.height)throw new Error("bitblt writing outside image");for(var u=0;u<a;u++)e.data.copy(t.data,(s+u)*t.width+o<<2,(r+u)*e.width+n<<2,(r+u)*e.width+n+i<<2)},l.prototype.bitblt=function(e,t,n,r,i,a,o){return l.bitblt(this,e,t,n,r,i,a,o),this},l.adjustGamma=function(e){if(e.gamma){for(var t=0;t<e.height;t++)for(var n=0;n<e.width;n++)for(var r=e.width*t+n<<2,i=0;i<3;i++){var a=e.data[r+i]/255;a=Math.pow(a,1/2.2/e.gamma),e.data[r+i]=Math.round(255*a)}e.gamma=0}},l.prototype.adjustGamma=function(){l.adjustGamma(this)}}).call(this,e("_process"),e("buffer").Buffer)},{"./packer-async":93,"./parser-async":97,"./png-sync":100,_process:104,buffer:8,stream:121,util:131}],102:[function(e,t,n){"use strict";var r=t.exports=function(e){this._buffer=e,this._reads=[]};r.prototype.read=function(e,t){this._reads.push({length:Math.abs(e),allowLess:e<0,func:t})},r.prototype.process=function(){for(;this._reads.length>0&&this._buffer.length;){var e=this._reads[0];if(!this._buffer.length||!(this._buffer.length>=e.length||e.allowLess))break;this._reads.shift();var t=this._buffer;this._buffer=t.slice(e.length),e.func.call(this,t.slice(0,e.length))}return this._reads.length>0?new Error("There are some read requests waitng on finished stream"):this._buffer.length>0?new Error("unrecognised content at end of stream"):void 0}},{}],103:[function(e,t,n){(function(e){"use strict";!e.version||0===e.version.indexOf("v0.")||0===e.version.indexOf("v1.")&&0!==e.version.indexOf("v1.8.")?t.exports=function(t,n,r,i){if("function"!=typeof t)throw new TypeError('"callback" argument must be a function');var a,o,s=arguments.length;switch(s){case 0:case 1:return e.nextTick(t);case 2:return e.nextTick(function(){t.call(null,n)});case 3:return e.nextTick(function(){t.call(null,n,r)});case 4:return e.nextTick(function(){t.call(null,n,r,i)});default:for(a=new Array(s-1),o=0;o<a.length;)a[o++]=arguments[o];return e.nextTick(function(){t.apply(null,a)})}}:t.exports=e.nextTick}).call(this,e("_process"))},{_process:104}],104:[function(e,t,n){var r,i,a=t.exports={};function o(){throw new Error("setTimeout has not been defined")}function s(){throw new Error("clearTimeout has not been defined")}function 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g(e,t)),1!==f.length||c||u(d)},g.prototype.run=function(){this.fun.apply(null,this.array)},a.title="browser",a.browser=!0,a.env={},a.argv=[],a.version="",a.versions={},a.on=v,a.addListener=v,a.once=v,a.off=v,a.removeListener=v,a.removeAllListeners=v,a.emit=v,a.prependListener=v,a.prependOnceListener=v,a.listeners=function(e){return[]},a.binding=function(e){throw new Error("process.binding is not supported")},a.cwd=function(){return"/"},a.chdir=function(e){throw new Error("process.chdir is not supported")},a.umask=function(){return 0}},{}],105:[function(e,t,n){t.exports=e("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":106}],106:[function(e,t,n){"use strict";var r=Object.keys||function(e){var t=[];for(var n in e)t.push(n);return t};t.exports=c;var i=e("process-nextick-args"),a=e("core-util-is");a.inherits=e("inherits");var o=e("./_stream_readable"),s=e("./_stream_writable");a.inherits(c,o);for(var u=r(s.prototype),l=0;l<u.length;l++){var 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n=0;n<16;n++)D(T[n+1]);for(var r=0;r<=161;r++)D(M[r]);D(1);for(var i=0;i<16;i++)D(R[i+1]);for(var a=0;a<=11;a++)D(I[a]);D(17);for(var o=0;o<16;o++)D(j[o+1]);for(var s=0;s<=161;s++)D(C[s])}(),z(65498),z(12),D(3),D(1),D(0),D(2),D(17),D(3),D(17),D(0),D(63),D(0);var s=0,h=0,p=0;m=0,_=7,this.encode.displayName="_encode_";for(var d,g,x,E,L,N,U,F,q,V=t.data,W=t.width,Z=t.height,G=4*W,Y=0;Y<Z;){for(d=0;d<G;){for(N=L=G*Y+d,U=-1,F=0,q=0;q<64;q++)N=L+(F=q>>3)*G+(U=4*(7&q)),Y+F>=Z&&(N-=G*(Y+1+F-Z)),d+U>=G&&(N-=d+U-G+4),g=V[N++],x=V[N++],E=V[N++],w[q]=(k[g]+k[x+256>>0]+k[E+512>>0]>>16)-128,b[q]=(k[g+768>>0]+k[x+1024>>0]+k[E+1280>>0]>>16)-128,y[q]=(k[g+1280>>0]+k[x+1536>>0]+k[E+1792>>0]>>16)-128;s=P(w,f,s,n,i),h=P(b,c,h,r,a),p=P(y,c,p,r,a),d+=32}Y+=8}if(_>=0){var H=[];H[1]=_+1,H[0]=(1<<_+1)-1,B(H)}return z(65497),new e(v)},function(){(new Date).getTime();t||(t=50),function(){for(var e=String.fromCharCode,t=0;t<256;t++)x[t]=e(t)}(),n=L(A,S),r=L(R,I),i=L(T,M),a=L(j,C),function(){for(var 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i=ImageSequencer({ui:!1});if(window.hasOwnProperty("$"))var a=$(t);else a=document.querySelectorAll(t);for(var o=[],s=0;s<a.length;s++)a[s]instanceof HTMLImageElement&&o.push(a[s]);function u(e,t){var n=e.src,r=n.split("?")[0].split(".").pop(),a=new XMLHttpRequest;function o(n){i.loadImage(n,function(){this.addSteps(t).run({stop:function(){}},function(t){e.src=t})})}a.open("GET",n,!0),a.responseType="arraybuffer",a.onload=function(e){var t,n,i,a=new Uint8Array(this.response),s="";for(t=0,n=a.length;t<n;t+=5e3)i=a.subarray(t,t+5e3),s+=String.fromCharCode.apply(null,i);var u=btoa(s);o("data:image/"+r+";base64,"+u)},"data:image/"!=n.substr(0,11).toLowerCase()?a.send():o(n)}for(s=0;s<o.length;s++)u(o[s],n),s==o.length-1&&r.callback()}},{}],139:[function(e,t,n){t.exports=function(e,t,n,r){return r||(r={stop:function(){}}),function(t){var i=[];for(var a in t)for(var o=e.images[a].steps.length,s=t[a],u=0;u<o-s;u++)i.push({image:a,i:s+u});!function t(i,a){if(a==i.length&&void 0!==i[a-1]){var o=i[a-1].image;if("Function"==e.objTypeOf(n)){var s=e.images[o].steps,u=s[s.length-1].output.src;return n(u),!0}}if(void 0!==i[a]){o=i[a].image;var l=i[a].i,f=e.images[o].steps[l-1].output;e.images[o].steps[l].draw(e.copy(f),function(){t(i,++a)},r)}}(i,0)}(t=function(t){for(var n in t)0==t[n]&&1==e.images[n].steps.length?delete t[n]:0==t[n]&&t[n]++;for(var n in t)for(var r=e.images[n].steps[t[n]-1];void 0===r||void 0===r.output;)r=e.images[n].steps[--t[n]-1];return t}(t))}},{}],140:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).blur=t.blur||2,n.onSetup(t.step),t.step.metadata=t.step.metadata||{},{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[e,t,n,r]},extraManipulation:function(e){for(var n=[0,0,0,0],r=0;r<e.data.length;r+=4)n[0]+=e.data[r+0],n[1]+=e.data[r+1],n[2]+=e.data[r+2],n[3]+=e.data[r+3];for(n[0]=parseInt(n[0]/(e.data.length/4)),n[1]=parseInt(n[1]/(e.data.length/4)),n[2]=parseInt(n[2]/(e.data.length/4)),n[3]=parseInt(n[3]/(e.data.length/4)),r=0;r<e.data.length;r+=4)e.data[r+0]=n[0],e.data[r+1]=n[1],e.data[r+2]=n[2],e.data[r+3]=n[3];return t.step.metadata.averages=n,console.log("average: ",n),t.step.inBrowser&&t.step.ui&&$(t.step.ui).find(".details").append("<p><b>Averages</b> (r, g, b, a): "+n.join(", ")+"</p>"),e},format:r.format,image:t.image,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],141:[function(e,t,n){t.exports={name:"Average",description:"Average all pixel color",inputs:{}}},{}],142:[function(e,t,n){t.exports=function(e,t){let n=[[2/159,4/159,5/159,4/159,2/159],[4/159,9/159,12/159,9/159,4/159],[5/159,12/159,15/159,12/159,5/159],[4/159,9/159,12/159,9/159,4/159],[2/159,4/159,5/159,4/159,2/159]];n=function(e){let t=[];for(let n=e.length-1;n>=0;n--){let r=[];for(let t=e[n].length-1;t>=0;t--)r.push(e[n][t]);t.push(r)}return t}(n);var r=e;for(let t=0;t<e.shape[0];t++)for(let a=0;a<e.shape[1];a++){let o=i([t,a]),s=[0,0,0,0];for(let e=0;e<n.length;e++)for(let t=0;t<n.length;t++)s[0]+=r.get(o[e][t][0],o[e][t][1],0)*n[e][t],s[1]+=r.get(o[e][t][0],o[e][t][1],1)*n[e][t],s[2]+=r.get(o[e][t][0],o[e][t][1],2)*n[e][t],s[3]+=r.get(o[e][t][0],o[e][t][1],3)*n[e][t];e.set(t,a,0,s[0]),e.set(t,a,1,s[1]),e.set(t,a,2,s[2])}return e;function i(e){let t=e[0],n=e[1],r=[];for(let e=-2;e<=2;e++){let i=[];for(let r=-2;r<=2;r++)i.push([t+e,n+r]);r.push(i)}return r}}},{}],143:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).blur=t.blur||2,n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[e,t,n,r]},extraManipulation:function(n){return n=e("./Blur")(n,t.blur)},format:r.format,image:t.image,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171,"./Blur":142}],144:[function(e,t,n){t.exports={name:"Blur",description:"Gaussian blur an image by a given value, typically 0-5",inputs:{blur:{type:"integer",desc:"amount of gaussian blur(Less blur gives more detail, typically 0-5)",default:2}}}},{}],145:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){var a=t.brightness/100;return[e=a*e<255?a*e:255,n=a*n<255?a*n:255,r=a*r<255?a*r:255,i]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],146:[function(e,t,n){t.exports={name:"Brightness",description:"Change the brightness of the image by given percent value",inputs:{brightness:{type:"integer",desc:"% brightness for the new image",default:0}}}},{}],147:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).channel=t.channel||"green",n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){return"red"==t.channel?[e,0,0,i]:"green"==t.channel?[0,n,0,i]:"blue"==t.channel?[0,0,r,i]:void 0},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],148:[function(e,t,n){t.exports={name:"Channel",description:"Displays only one color channel of an image -- default is green",inputs:{channel:{type:"select",desc:"Color channel",default:"green",values:["red","green","blue"]}}}},{}],149:[function(e,t,n){function r(e){return function(t){var n,r,i,a,o,s,u,l,f,c,h,p,d,g;if(s=(h=[0,0])[0],u=h[1],a=(p=[e[0][0],1])[1],t<(i=p[0]))return s;for(n=l=0,c=e.length;l<c;n=++l){if(o=(d=e[n])[0],s=d[1],u=d[2],i=o,n===e.length-1){a=1;break}if(a=e[n+1][0],o<=t&&t<a)break}for(r=[],n=f=0,g=s.length;0<=g?f<g:f>g;n=0<=g?++f:--f)r[n]=(t-i)/(a-i)*(u[n]-s[n])+s[n];return r}}t.exports=function(e,t){return t.colormap=t.colormap||i.default,"object"==typeof t.colormap?colormapFunction=r(t.colormap):i.hasOwnProperty(t.colormap)?colormapFunction=i[t.colormap]:colormapFunction=i.default,colormapFunction(e/255)};var i={greyscale:r([[0,[0,0,0],[255,255,255]],[1,[255,255,255],[255,255,255]]]),default:r([[0,[0,0,255],[0,255,0]],[.25,[0,255,0],[255,255,0]],[.5,[0,255,255],[255,255,0]],[.75,[255,255,0],[255,0,0]]]),ndvi:r([[0,[0,0,255],[38,195,195]],[.5,[0,150,0],[255,255,0]],[.75,[255,255,0],[255,50,50]]]),stretched:r([[0,[0,0,255],[0,0,255]],[.1,[0,0,255],[38,195,195]],[.5,[0,150,0],[255,255,0]],[.7,[255,255,0],[255,50,50]],[.9,[255,50,50],[255,50,50]]]),fastie:r([[0,[255,255,255],[0,0,0]],[.167,[0,0,0],[255,255,255]],[.33,[255,255,255],[0,0,0]],[.5,[0,0,0],[140,140,255]],[.55,[140,140,255],[0,255,0]],[.63,[0,255,0],[255,255,0]],[.75,[255,255,0],[255,0,0]],[.95,[255,0,0],[255,0,255]]])}},{}],150:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(n,r,i,a){var o=(n+r+i)/3,s=e("./Colormap")(o,t);return[s[0],s[1],s[2],255]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171,"./Colormap":149}],151:[function(e,t,n){t.exports={name:"Colormap",description:"Maps brightness values (average of red, green & blue) to a given color lookup table, made up of a set of one more color gradients.\n\nFor example, 'cooler' colors like blue could represent low values, while 'hot' colors like red could represent high values.",inputs:{colormap:{type:"select",desc:"Name of the Colormap",default:"default",values:["default","greyscale","stretched","fastie"]}}}},{}],152:[function(e,t,n){(function(n){t.exports=function(t,r,i){var a=e("get-pixels"),o=e("save-pixels");r.x=parseInt(r.x)||0,r.y=parseInt(r.y)||0,a(t.src,function(e,a){r.w=parseInt(r.w)||Math.floor(.5*a.shape[0]),r.h=parseInt(r.h)||Math.floor(.5*a.shape[1]);for(var s=r.x,u=r.y,l=r.w,f=r.h,c=a.shape[0],h=new Uint8Array(4*l*f),p=u;p<u+f;p++)h.set(a.data.slice(4*p*c+s,4*p*c+s+4*l),4*l*(p-u));a.data=h,a.shape=[l,f,4],a.stride[1]=4*l,r.format=t.format;var d=[],g=0,v=o(a,r.format);v.on("data",function(e){g+=e.length,d.push(e)}),v.on("end",function(){var e=n.concat(d,g).toString("base64"),t="data:image/"+r.format+";base64,"+e;i(t,r.format)})})}}).call(this,e("buffer").Buffer)},{buffer:8,"get-pixels":38,"save-pixels":120}],153:[function(e,t,n){t.exports=function(t,n){if(t=t||{},n.onSetup(t.step),t.step.inBrowser)var r=e("./Ui.js")(t.step,n);var i=!1;return{options:t,draw:function(a,o){n.onDraw(t.step);var s=this;t.step.input=a.src,e("./Crop")(a,t,function(e,a){s.output={src:e,format:a},t.step.output=e,n.onComplete(t.step),r&&r.hide&&r.hide(),!1===i&&t.step.inBrowser&&(i=!0,r.setup()),o()})},output:void 0,UI:n}}},{"./Crop":152,"./Ui.js":154}],154:[function(e,t,n){t.exports=function(e,t){let n=0,r=0;function i(){return e.imgElement}function a(e,t,n,r){let a=$($(i()).parents()[2]).find("input");a[0].value=e,a[1].value=t,a[2].value=n,a[3].value=r}return{setup:function(){e.imgElement.src=e.input,n=Math.floor(i().naturalWidth),r=Math.floor(i().naturalHeight),a(0,0,n,r),$(i()).imgAreaSelect({handles:!0,x1:0,y1:0,x2:0+n/2,y2:0+r/2,onSelectEnd:function(e,t){let o=function(e,t,a,o){let s=$(i()).width(),u=$(i()).height();return[Math.floor(e/s*n),Math.floor(t/u*r),Math.floor(a/s*n),Math.floor(o/u*r)]}(t.x1,t.y1,t.width,t.height);a(o[0],o[1],o[2],o[3])}})},remove:function(){$(i()).imgAreaSelect({remove:!0})},hide:function(){$(i()).imgAreaSelect({hide:!0})}}}},{}],155:[function(e,t,n){t.exports={name:"Crop",description:"Crop image to given x, y, w, h in pixels, measured from top left",url:"https://github.com/publiclab/image-sequencer/tree/master/MODULES.md",inputs:{x:{type:"integer",desc:"X-position (measured from left) from where cropping starts",default:0},y:{type:"integer",desc:"Y-position (measured from top) from where cropping starts",default:0},w:{type:"integer",desc:"Width of crop",default:"(50%)"},h:{type:"integer",desc:"Height of crop",default:"(50%)"}}}},{}],156:[function(e,t,n){t.exports=function(t,n){t=t||{},n.onSetup(t.step);var r=e("jsqr"),i=e("get-pixels");return{options:t,draw:function(e,a){n.onDraw(t.step);var o=this;i(e.src,function(i,s){if(i)throw i;var u=s.shape[0],l=s.shape[1],f=r.decodeQRFromImage(s.data,u,l);o.output=e,o.output.data=f,a(),t.step.output=e.src,t.step.qrval=f,n.onComplete(t.step)})},output:void 0,UI:n}}},{"get-pixels":38,jsqr:56}],157:[function(e,t,n){t.exports={name:"Decode QR",description:"Search for and decode a QR code in the image",inputs:{},outputs:{qrval:{type:"text"}}}},{}],158:[function(require,module,exports){module.exports=function Dynamic(options,UI){var output;function draw(input,callback,progressObj){progressObj.stop(!0),progressObj.overrideFlag=!0,UI.onDraw(options.step);var step=this;function generator(expression){var func="f = function (r, g, b, a) { var R = r, G = g, B = b, A = a;",f;return func+="return ",func=func+expression+"}",eval(func),f}options.monochrome=options.monochrome||"(R+G+B)/3";var channels=["red","green","blue","alpha"];function changePixel(e,t,n,r){return[options.red_function(e,t,n,r),options.green_function(e,t,n,r),options.blue_function(e,t,n,r),options.alpha_function(e,t,n,r)]}function getNeighbourPixel(e,t,n,r,i){return[e.get(t+r,n+i,0),e.get(t+r,n+i,1),e.get(t+r,n+i,2),e.get(t+r,n+i,3)]}function output(e,t,n){step.output={src:t,format:n},options.step.output=t,UI.onComplete(options.step)}return channels.forEach(function(e){options.hasOwnProperty(e)?options[e+"_function"]=generator(options[e]):"alpha"===e?options.alpha_function=function(){return 255}:options[e+"_function"]=generator(options.monochrome)}),require("../_nomodule/PixelManipulation.js")(input,{output:output,changePixel:changePixel,getNeighbourPixel:getNeighbourPixel,getNeighborPixel:getNeighbourPixel,format:input.format,image:options.image,inBrowser:options.inBrowser,callback:callback})}return options=options||{},UI.onSetup(options.step),{options:options,draw:draw,output:output,UI:UI}}},{"../_nomodule/PixelManipulation.js":171}],159:[function(e,t,n){t.exports={name:"Dynamic",description:"A module which accepts JavaScript math expressions to produce each color channel based on the original image's color. See <a href='https://publiclab.org/wiki/infragram-sandbox'>Infragrammar</a>.",inputs:{red:{type:"input",desc:"Expression to return for red channel with R, G, B, and A inputs",default:"r"},green:{type:"input",desc:"Expression to return for green channel with R, G, B, and A inputs",default:"g"},blue:{type:"input",desc:"Expression to return for blue channel with R, G, B, and A inputs",default:"b"},"monochrome (fallback)":{type:"input",desc:"Expression to return with R, G, B, and A inputs; fallback for other channels if none provided",default:"r + g + b"}}}},{}],160:[function(e,t,n){const r=e("lodash"),i=[[-1,0,1],[-2,0,2],[-1,0,1]],a=[[-1,-2,-1],[0,0,0],[1,2,1]];let o,s=[],u=[],l=[],f=[];function c(e,t,n,r,o){let s=0;for(let t=0;t<3;t++)for(let n=0;n<3;n++){let a=r+t-1,u=o+n-1;s+=e.get(a,u,0)*i[t][n]}let u=0;for(let t=0;t<3;t++)for(let n=0;n<3;n++){let i=r+t-1,s=o+n-1;u+=e.get(i,s,0)*a[t][n]}return{pixel:[t,t,t,Math.sqrt(Math.pow(s,2)+Math.pow(u,2))],angle:Math.atan2(u,s)}}t.exports=function(e,t,n,i){o=!i;for(var a=0;a<e.shape[0];a++){s.push([]),u.push([]);for(var d=0;d<e.shape[1];d++){var g=c(e,e.get(a,d,0),e.get(a,d,3),a,d);let t=g.pixel;e.set(a,d,0,t[0]),e.set(a,d,1,t[1]),e.set(a,d,2,t[2]),e.set(a,d,3,t[3]),u.slice(-1)[0].push(t[3]),s.slice(-1)[0].push(g.angle)}}return function(e){function t(e){let t=e[0],n=e[1];return[[t+1,n+1],[t+1,n],[t+1,n-1],[t,n+1],[t,n-1],[t-1,n+1],[t-1,n],[t-1,n-1]]}for(weakPixel in f){let n=t(f[weakPixel]);for(pixel in n)if(l.find(e=>r.isEqual(e,n[pixel]))){e.set(weakPixel[0],weakPixel[1],3,255),f.splice(weakPixel,weakPixel);break}}return f.forEach(t=>e.set(t[0],t[1],3,0)),e}(function(e,t,n){const r=.2*p(u),i=r*n;for(let t=0;t<e.shape[0];t++)for(let n=0;n<e.shape[1];n++){let a=[t,n];u[t][n]>i?u[t][n]>r?l.push(a):f.push(a):e.set(t,n,3,0)}return l.forEach(t=>e.set(t[0],t[1],3,255)),e}(function(e){s=s.map(e=>e.map(h));for(let t=1;t<e.shape[0]-1;t++)for(let n=1;n<e.shape[1]-1;n++){let r=s[t][n];e.get(t,n);r>=-22.5&&r<=22.5||r<-157.5&&r>=-180?u[t][n]>=u[t][n+1]&&u[t][n]>=u[t][n-1]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0):r>=22.5&&r<=67.5||r<-112.5&&r>=-157.5?u[t][n]>=u[t+1][n+1]&&u[t][n]>=u[t-1][n-1]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0):r>=67.5&&r<=112.5||r<-67.5&&r>=-112.5?u[t][t]>=u[t+1][n]&&u[t][n]>=u[t][n]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0):(r>=112.5&&r<=157.5||r<-22.5&&r>=-67.5)&&(u[t][n]>=u[t+1][n-1]&&u[t][n]>=u[t-1][n+1]?e.set(t,n,3,u[t][n]):e.set(t,n,3,0))}return e}(e),0,n))};var h=e=>180*e/Math.PI,p=e=>Math.max(...e.map(e=>e.map(e=>e||0)).map(e=>Math.max(...e)))},{lodash:57}],161:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).blur=t.blur||2,t.highThresholdRatio=t.highThresholdRatio||.2,t.lowThresholdRatio=t.lowThresholdRatio||.15,n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[(e+t+n)/3,(e+t+n)/3,(e+t+n)/3,r]},extraManipulation:function(n){return n=e("ndarray-gaussian-filter")(n,t.blur),e("./EdgeUtils")(n,t.highThresholdRatio,t.lowThresholdRatio,t.inBrowser)},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171,"./EdgeUtils":160,"ndarray-gaussian-filter":62}],162:[function(e,t,n){t.exports={name:"Detect Edges",description:"this module detects edges using the Canny method, which first Gaussian blurs the image to reduce noise (amount of blur configurable in settings as `options.blur`), then applies a number of steps to highlight edges, resulting in a greyscale image where the brighter the pixel, the stronger the detected edge. Read more at: https://en.wikipedia.org/wiki/Canny_edge_detector",inputs:{blur:{type:"integer",desc:"amount of gaussian blur(Less blur gives more detail, typically 0-5)",default:2},highThresholdRatio:{type:"float",desc:"The high threshold ratio for the image",default:.2},lowThresholdRatio:{type:"float",desc:"The low threshold value for the image",default:.15}}}},{}],163:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),e("fisheyegl"),{options:t,draw:function(e,r){n.onDraw(t.step);var i=this;if(t.inBrowser){if(document.querySelector("#image-sequencer-canvas"))var a=document.querySelector("#image-sequencer-canvas");else(a=document.createElement("canvas")).style.display="none",a.setAttribute("id","image-sequencer-canvas"),document.body.append(a);distorter=FisheyeGl({selector:"#image-sequencer-canvas"}),t.a=parseFloat(t.a)||distorter.lens.a,t.b=parseFloat(t.b)||distorter.lens.b,t.Fx=parseFloat(t.Fx)||distorter.lens.Fx,t.Fy=parseFloat(t.Fy)||distorter.lens.Fy,t.scale=parseFloat(t.scale)||distorter.lens.scale,t.x=parseFloat(t.x)||distorter.fov.x,t.y=parseFloat(t.y)||distorter.fov.y,distorter.lens.a=t.a,distorter.lens.b=t.b,distorter.lens.Fx=t.Fx,distorter.lens.Fy=t.Fy,distorter.lens.scale=t.scale,distorter.fov.x=t.x,distorter.fov.y=t.y,distorter.setImage(e.src,function(){i.output={src:a.toDataURL(),format:e.format},t.step.output=i.output.src,r(),n.onComplete(t.step)})}else this.output=e,r()},output:void 0,UI:n}}},{fisheyegl:30}],164:[function(e,t,n){t.exports={name:"Fisheye GL",description:"Correct fisheye, or barrel distortion, in images (with WebGL -- adapted from fisheye-correction-webgl by @bluemir).",requires:["webgl"],inputs:{a:{type:"float",desc:"a parameter",default:1,min:1,max:4},b:{type:"float",desc:"b parameter",default:1,min:1,max:4},Fx:{type:"float",desc:"Fx parameter",default:0,min:0,max:4},Fy:{type:"float",desc:"Fy parameter",default:0,min:0,max:4},scale:{type:"float",desc:"Image Scaling",default:1.5,min:0,max:20},x:{type:"float",desc:"FOV x parameter",default:1.5,min:0,max:20},y:{type:"float",desc:"FOV y parameter",default:1.5,min:0,max:20},fragmentSrc:{type:"PATH",desc:"Patht to a WebGL fragment shader file",default:"(inbuilt)"},vertexSrc:{type:"PATH",desc:"Patht to a WebGL vertex shader file",default:"(inbuilt)"}}}},{}],165:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,t,n,r){return[255-e,255-t,255-n,r]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],166:[function(e,t,n){t.exports={name:"Invert",description:"Inverts the image.",inputs:{}}},{}],167:[function(e,t,n){t.exports=function(t,n){return(t=t||{}).filter=t.filter||"red",n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){if("red"==t.filter)var a=(r-e)/(1*r+e);"blue"==t.filter&&(a=(e-r)/(1*r+e));var o=255*(a+1)/2;return[o,o,o,i]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],168:[function(e,t,n){t.exports={name:"NDVI",description:"Normalized Difference Vegetation Index, or NDVI, is an image analysis technique used with aerial photography. It's a way to visualize the amounts of infrared and other wavelengths of light reflected from vegetation by comparing ratios of blue and red light absorbed versus green and IR light reflected. NDVI is used to evaluate the health of vegetation in satellite imagery, where it correlates with how much photosynthesis is happening. This is helpful in assessing vegetative health or stress. <a href='https://publiclab.org/ndvi'>Read more</a>.<br /><br/>This is designed for use with red-filtered single camera <a href='http://publiclab.org/infragram'>DIY Infragram cameras</a>; change to 'blue' for blue filters",inputs:{filter:{type:"select",desc:"Filter color",default:"red",values:["red","blue"]}}}},{}],169:[function(e,t,n){t.exports=function(t,n){return t=t||{},n.onSetup(t.step),{options:t,draw:function(r,i,a){a.stop(!0),a.overrideFlag=!0,n.onDraw(t.step);var o=this;return e("../_nomodule/PixelManipulation.js")(r,{output:function(e,r,i){o.output={src:r,format:i},t.step.output=r,n.onComplete(t.step)},changePixel:function(e,n,r,i){var a=Math.sqrt(e*e*.299+n*n*.587+n*n*.114);return e=a+(e-a)*t.saturation,n=a+(n-a)*t.saturation,r=a+(r-a)*t.saturation,[Math.round(e),Math.round(n),Math.round(r),i]},format:r.format,image:t.image,inBrowser:t.inBrowser,callback:i})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":171}],170:[function(e,t,n){t.exports={name:"Saturation",description:"Change the saturation of the image by given value, from 0-1, with 1 being 100% saturated.",inputs:{saturation:{type:"integer",desc:"saturation for the new image between 0 and 2, 0 being black and white and 2 being highly saturated",default:0}}}},{}],171:[function(e,t,n){(function(n){t.exports=function(t,r){(r=r||{}).changePixel=r.changePixel||function(e,t,n,r){return[e,t,n,r]},r.extraManipulation=r.extraManipulation||function(e){return e};var i=e("get-pixels"),a=e("save-pixels");i(t.src,function(i,o){if(i)console.log("Bad image path",t);else{if(r.getNeighbourPixel&&(r.getNeighbourPixel.fun=function(e,t){return r.getNeighbourPixel(o,u,l,e,t)}),!r.inBrowser)try{var s=e("pace")(o.shape[0]*o.shape[1])}catch(e){r.inBrowser=!0}for(var u=0;u<o.shape[0];u++)for(var l=0;l<o.shape[1];l++){var f=r.changePixel(o.get(u,l,0),o.get(u,l,1),o.get(u,l,2),o.get(u,l,3));o.set(u,l,0,f[0]),o.set(u,l,1,f[1]),o.set(u,l,2,f[2]),o.set(u,l,3,f[3]),r.inBrowser||s.op()}r.extraManipulation&&(o=r.extraManipulation(o));var c=[],h=0,p=a(o,r.format,{quality:100});p.on("data",function(e){h+=e.length,c.push(e)}),p.on("end",function(){var e=n.concat(c,h).toString("base64"),t="data:image/"+r.format+";base64,"+e;r.output&&r.output(r.image,t,r.format),r.callback&&r.callback()})}})}}).call(this,e("buffer").Buffer)},{buffer:8,"get-pixels":38,pace:69,"save-pixels":120}],172:[function(e,t,n){t.exports=function(t,n,r,i){function a(n,r){var i;if(n.match(/^data:/i))r(i=n);else if(!t.options.inBrowser&&n.match(/^https?:\/\//i))e(n.match(/^(https?):\/\//i)[1]).get(n,function(e){var t="",n=e.headers["content-type"];e.setEncoding("base64"),e.on("data",function(e){t+=e}),e.on("end",function(){r("data:"+n+";base64,"+t)})});else if(t.options.inBrowser){var a=n.split(".").pop(),o=document.createElement("img"),s=document.createElement("canvas"),u=s.getContext("2d");o.onload=function(){s.width=o.naturalWidth,s.height=o.naturalHeight,u.drawImage(o,0,0),i=s.toDataURL(a),r(i)},o.src=n}else i=e("urify")(n),r(i)}return function(e,n){var r={name:"load-image",description:"This initial step loads and displays the original image without any modifications.<br /><br />To work with a new or different image, drag one into the drop zone.",ID:t.options.sequencerCounter++,imageName:e,inBrowser:t.options.inBrowser,ui:t.options.ui},o={src:n,steps:[{options:{id:r.ID,name:"load-image",description:"This initial step loads and displays the original image without any modifications.",title:"Load Image",step:r},UI:t.events,draw:function(){return UI.onDraw(options.step),1==arguments.length?(this.output=a(arguments[0]),options.step.output=this.output,UI.onComplete(options.step),!0):2==arguments.length&&(this.output=a(arguments[0]),options.step.output=this.output,arguments[1](),UI.onComplete(options.step),!0)}}]};a(n,function(n){var r=function(e){return{src:e,format:e.split(":")[1].split(";")[0].split("/")[1]}}(n);t.images[e]=o;var a=t.images[e].steps[0];return a.output=r,a.options.step.output=a.output.src,a.UI.onSetup(a.options.step),a.UI.onDraw(a.options.step),a.UI.onComplete(a.options.step),i(),!0})}(n,r)}},{urify:127}],173:[function(e,t,n){t.exports=function(e={}){return e.onSetup=e.onSetup||function(e){0==e.ui||(e.inBrowser?console.log('Added Step "'+e.name+'" to "'+e.imageName+'".'):console.log("%s",'Added Step "'+e.name+'" to "'+e.imageName+'".'))},e.onDraw=e.onDraw||function(e){0==e.ui||(e.inBrowser?console.log('Drawing Step "'+e.name+'" on "'+e.imageName+'".'):console.log("%s",'Drawing Step "'+e.name+'" on "'+e.imageName+'".'))},e.onComplete=e.onComplete||function(e){0==e.ui||(e.inBrowser?console.log('Drawn Step "'+e.name+'" on "'+e.imageName+'".'):console.log("%s",'Drawn Step "'+e.name+'" on "'+e.imageName+'".'))},e.onRemove=e.onRemove||function(e){0==e.ui||(e.inBrowser?console.log('Removing Step "'+e.name+'" of "'+e.imageName+'".'):console.log("%s",'Removing Step "'+e.name+'" of "'+e.imageName+'".'))},e}},{}]},{},[135]);
\ No newline at end of file
diff --git a/src/modules/Average/Module.js b/src/modules/Average/Module.js
index 5104836d..a492f7aa 100755
--- a/src/modules/Average/Module.js
+++ b/src/modules/Average/Module.js
@@ -49,6 +49,8 @@ module.exports = function Average(options, UI){
             // report back and store average in metadata:
             options.step.metadata.averages = sum;
             console.log("average: ", sum);
+            // TODO: refactor into a new "display()" method as per https://github.com/publiclab/image-sequencer/issues/242
+            if (options.step.inBrowser && options.step.ui) $(options.step.ui).find('.details').append("<p><b>Averages</b> (r, g, b, a): " + sum.join(', ') + "</p>");
             return pixels;
         }