Saving Videos

WebServer/externalScripts/CCapture.all.min.js

@@ -0,0 +1,2 @@
+"use strict";function download(t,e,i){function n(t){var e=t.split(/[:;,]/),i=e[1],n="base64"==e[2]?atob:decodeURIComponent,r=n(e.pop()),o=r.length,a=0,s=new Uint8Array(o);for(a;a<o;++a)s[a]=r.charCodeAt(a);return new m([s],{type:i})}function r(t,e){if("download"in c)return c.href=t,c.setAttribute("download",g),c.innerHTML="downloading...",c.style.display="none",l.body.appendChild(c),setTimeout(function(){c.click(),l.body.removeChild(c),e===!0&&setTimeout(function(){h.URL.revokeObjectURL(c.href)},250)},66),!0;var i=l.createElement("iframe");l.body.appendChild(i),e||(t="data:"+t.replace(/^data:([\w\/\-\+]+)/,f)),i.src=t,setTimeout(function(){l.body.removeChild(i)},333)}var o,a,s,h=window,f="application/octet-stream",u=i||f,d=t,l=document,c=l.createElement("a"),p=function(t){return String(t)},m=h.Blob||h.MozBlob||h.WebKitBlob||p,w=h.MSBlobBuilder||h.WebKitBlobBuilder||h.BlobBuilder,g=e||"download";if("true"===String(this)&&(d=[d,u],u=d[0],d=d[1]),String(d).match(/^data\:[\w+\-]+\/[\w+\-]+[,;]/))return navigator.msSaveBlob?navigator.msSaveBlob(n(d),g):r(d);try{o=d instanceof m?d:new m([d],{type:u})}catch(t){w&&(a=new w,a.append([d]),o=a.getBlob(u))}if(navigator.msSaveBlob)return navigator.msSaveBlob(o,g);if(h.URL)r(h.URL.createObjectURL(o),!0);else{if("string"==typeof o||o.constructor===p)try{return r("data:"+u+";base64,"+h.btoa(o))}catch(t){return r("data:"+u+","+encodeURIComponent(o))}s=new FileReader,s.onload=function(t){r(this.result)},s.readAsDataURL(o)}return!0}!function(){var t=function(t){this.data=new Uint8Array(t),this.pos=0};t.prototype.seek=function(t){this.pos=t},t.prototype.writeBytes=function(t){for(var e=0;e<t.length;e++)this.data[this.pos++]=t[e]},t.prototype.writeByte=function(t){this.data[this.pos++]=t},t.prototype.writeU8=t.prototype.writeByte,t.prototype.writeU16BE=function(t){this.data[this.pos++]=t>>8,this.data[this.pos++]=t},t.prototype.writeDoubleBE=function(t){for(var e=new Uint8Array(new Float64Array([t]).buffer),i=e.length-1;i>=0;i--)this.writeByte(e[i])},t.prototype.writeFloatBE=function(t){for(var e=new Uint8Array(new Float32Array([t]).buffer),i=e.length-1;i>=0;i--)this.writeByte(e[i])},t.prototype.writeString=function(t){for(var e=0;e<t.length;e++)this.data[this.pos++]=t.charCodeAt(e)},t.prototype.writeEBMLVarIntWidth=function(t,e){switch(e){case 1:this.writeU8(128|t);break;case 2:this.writeU8(64|t>>8),this.writeU8(t);break;case 3:this.writeU8(32|t>>16),this.writeU8(t>>8),this.writeU8(t);break;case 4:this.writeU8(16|t>>24),this.writeU8(t>>16),this.writeU8(t>>8),this.writeU8(t);break;case 5:this.writeU8(8|t/4294967296&7),this.writeU8(t>>24),this.writeU8(t>>16),this.writeU8(t>>8),this.writeU8(t);break;default:throw new RuntimeException("Bad EBML VINT size "+e)}},t.prototype.measureEBMLVarInt=function(t){if(t<127)return 1;if(t<16383)return 2;if(t<2097151)return 3;if(t<268435455)return 4;if(t<34359738367)return 5;throw new RuntimeException("EBML VINT size not supported "+t)},t.prototype.writeEBMLVarInt=function(t){this.writeEBMLVarIntWidth(t,this.measureEBMLVarInt(t))},t.prototype.writeUnsignedIntBE=function(t,e){switch(void 0===e&&(e=this.measureUnsignedInt(t)),e){case 5:this.writeU8(Math.floor(t/4294967296));case 4:this.writeU8(t>>24);case 3:this.writeU8(t>>16);case 2:this.writeU8(t>>8);case 1:this.writeU8(t);break;default:throw new RuntimeException("Bad UINT size "+e)}},t.prototype.measureUnsignedInt=function(t){return t<256?1:t<65536?2:t<1<<24?3:t<4294967296?4:5},t.prototype.getAsDataArray=function(){if(this.pos<this.data.byteLength)return this.data.subarray(0,this.pos);if(this.pos==this.data.byteLength)return this.data;throw"ArrayBufferDataStream's pos lies beyond end of buffer"},"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports=t:window.ArrayBufferDataStream=t}(),function(){var t=function(t){return function(e){function i(t){return new Promise(function(e,i){var n=new FileReader;n.addEventListener("loadend",function(){e(n.result)}),n.readAsArrayBuffer(t)})}function n(t){return new Promise(function(e,n){e(t instanceof Uint8Array?t:t instanceof ArrayBuffer||ArrayBuffer.isView(t)?new Uint8Array(t):t instanceof Blob?i(t).then(function(t){return new Uint8Array(t)}):i(new Blob([t])).then(function(t){return new Uint8Array(t)}))})}function r(t){var e=t.byteLength||t.length||t.size;if(!Number.isInteger(e))throw"Failed to determine size of element";return e}var o=[],a=Promise.resolve(),s=null,h=null;"undefined"!=typeof FileWriter&&e instanceof FileWriter?s=e:t&&e&&(h=e),this.pos=0,this.length=0,this.seek=function(t){if(t<0)throw"Offset may not be negative";if(isNaN(t))throw"Offset may not be NaN";if(t>this.length)throw"Seeking beyond the end of file is not allowed";this.pos=t},this.write=function(e){var i={offset:this.pos,data:e,length:r(e)},f=i.offset>=this.length;this.pos+=i.length,this.length=Math.max(this.length,this.pos),a=a.then(function(){if(h)return new Promise(function(e,r){n(i.data).then(function(n){var r=0,o=Buffer.from(n.buffer),a=function(n,o,s){r+=Line truncated
+var i=new FileReader;i.onload=function(){this.tape.append(e(this.count)+this.fileExtension,new Uint8Array(i.result)),this.settings.autoSaveTime>0&&this.frames/this.settings.framerate>=this.settings.autoSaveTime?this.save(function(t){this.filename=this.baseFilename+"-part-"+e(this.part),download(t,this.filename+this.extension,this.mimeType);var i=this.count;this.dispose(),this.count=i+1,this.part++,this.filename=this.baseFilename+"-part-"+e(this.part),this.frames=0,this.step()}.bind(this)):(this.count++,this.frames++,this.step())}.bind(this),i.readAsArrayBuffer(t)},r.prototype.save=function(t){t(this.tape.save())},r.prototype.dispose=function(){this.tape=new Tar,this.count=0},o.prototype=Object.create(r.prototype),o.prototype.add=function(t){t.toBlob(function(t){r.prototype.add.call(this,t)}.bind(this),this.type)},a.prototype=Object.create(r.prototype),a.prototype.add=function(t){t.toBlob(function(t){r.prototype.add.call(this,t)}.bind(this),this.type,this.quality)},s.prototype=Object.create(n.prototype),s.prototype.start=function(t){this.dispose()},s.prototype.add=function(t){this.videoWriter.addFrame(t),this.settings.autoSaveTime>0&&this.frames/this.settings.framerate>=this.settings.autoSaveTime?this.save(function(t){this.filename=this.baseFilename+"-part-"+e(this.part),download(t,this.filename+this.extension,this.mimeType),this.dispose(),this.part++,this.filename=this.baseFilename+"-part-"+e(this.part),this.step()}.bind(this)):(this.frames++,this.step())},s.prototype.save=function(t){this.videoWriter.complete().then(t)},s.prototype.dispose=function(t){this.frames=0,this.videoWriter=new WebMWriter({quality:this.quality,fileWriter:null,fd:null,frameRate:this.framerate})},h.prototype=Object.create(n.prototype),h.prototype.start=function(){this.encoder.start(this.settings)},h.prototype.add=function(t){this.encoder.add(t)},h.prototype.save=function(t){this.callback=t,this.encoder.end()},h.prototype.safeToProceed=function(){return this.encoder.safeToProceed()},f.prototype=Object.create(n.prototype),f.prototype.add=function(t){this.stream||(this.stream=t.captureStream(this.framerate),this.mediaRecorder=new MediaRecorder(this.stream),this.mediaRecorder.start(),this.mediaRecorder.ondataavailable=function(t){this.chunks.push(t.data)}.bind(this)),this.step()},f.prototype.save=function(t){this.mediaRecorder.onstop=function(e){var i=new Blob(this.chunks,{type:"video/webm"});this.chunks=[],t(i)}.bind(this),this.mediaRecorder.stop()},u.prototype=Object.create(n.prototype),u.prototype.add=function(t){this.sizeSet||(this.encoder.setOption("width",t.width),this.encoder.setOption("height",t.height),this.sizeSet=!0),this.canvas.width=t.width,this.canvas.height=t.height,this.ctx.drawImage(t,0,0),this.encoder.addFrame(this.ctx,{copy:!0,delay:this.settings.step}),this.step()},u.prototype.save=function(t){this.callback=t,this.encoder.render()},(y||g||{}).CCapture=d,"function"==typeof define&&"object"==typeof define.amd&&define.amd?define(function(){return d}):c&&p?(m&&((p.exports=d).CCapture=d),c.CCapture=d):b.CCapture=d}();

WebServer/externalScripts/fileServer.js

@@ -0,0 +1,169 @@
+/*
+* FileSaver.js
+* A saveAs() FileSaver implementation.
+*
+* By Eli Grey, http://eligrey.com
+*
+* License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
+* source  : http://purl.eligrey.com/github/FileSaver.js
+*/
+
+// The one and only way of getting global scope in all environments
+// https://stackoverflow.com/q/3277182/1008999
+var _global = typeof window === 'object' && window.window === window
+    ? window : typeof self === 'object' && self.self === self
+        ? self : typeof global === 'object' && global.global === global
+            ? global
+            : this
+
+function bom(blob, opts) {
+    if (typeof opts === 'undefined') opts = { autoBom: false }
+    else if (typeof opts !== 'object') {
+        console.warn('Deprecated: Expected third argument to be a object')
+        opts = { autoBom: !opts }
+    }
+
+    // prepend BOM for UTF-8 XML and text/* types (including HTML)
+    // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
+    if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+        return new Blob([String.fromCharCode(0xFEFF), blob], { type: blob.type })
+    }
+    return blob
+}
+
+function download(url, name, opts) {
+    var xhr = new XMLHttpRequest()
+    xhr.open('GET', url)
+    xhr.responseType = 'blob'
+    xhr.onload = function () {
+        saveAs(xhr.response, name, opts)
+    }
+    xhr.onerror = function () {
+        console.error('could not download file')
+    }
+    xhr.send()
+}
+
+function corsEnabled(url) {
+    var xhr = new XMLHttpRequest()
+    // use sync to avoid popup blocker
+    xhr.open('HEAD', url, false)
+    try {
+        xhr.send()
+    } catch (e) { }
+    return xhr.status >= 200 && xhr.status <= 299
+}
+
+// `a.click()` doesn't work for all browsers (#465)
+function click(node) {
+    try {
+        node.dispatchEvent(new MouseEvent('click'))
+    } catch (e) {
+        var evt = document.createEvent('MouseEvents')
+        evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80,
+            20, false, false, false, false, 0, null)
+        node.dispatchEvent(evt)
+    }
+}
+
+// Detect WebKit inside a native macOS app
+var isWebKit = /AppleWebKit/.test(navigator.userAgent)
+
+var saveAs = _global.saveAs || (
+    // probably in some web worker
+    (typeof window !== 'object' || window !== _global)
+        ? function saveAs() { /* noop */ }
+
+        // Use download attribute first if possible (#193 Lumia mobile) unless this is a native macOS app
+        : ('download' in HTMLAnchorElement.prototype && !isWebKit)
+            ? function saveAs(blob, name, opts) {
+                var URL = _global.URL || _global.webkitURL
+                var a = document.createElement('a')
+                name = name || blob.name || 'download'
+
+                a.download = name
+                a.rel = 'noopener' // tabnabbing
+
+                // TODO: detect chrome extensions & packaged apps
+                // a.target = '_blank'
+
+                if (typeof blob === 'string') {
+                    // Support regular links
+                    a.href = blob
+                    if (a.origin !== location.origin) {
+                        corsEnabled(a.href)
+                            ? download(blob, name, opts)
+                            : click(a, a.target = '_blank')
+                    } else {
+                        click(a)
+                    }
+                } else {
+                    // Support blobs
+                    a.href = URL.createObjectURL(blob)
+                    setTimeout(function () { URL.revokeObjectURL(a.href) }, 4E4) // 40s
+                    setTimeout(function () { click(a) }, 0)
+                }
+            }
+
+            // Use msSaveOrOpenBlob as a second approach
+            : 'msSaveOrOpenBlob' in navigator
+                ? function saveAs(blob, name, opts) {
+                    name = name || blob.name || 'download'
+
+                    if (typeof blob === 'string') {
+                        if (corsEnabled(blob)) {
+                            download(blob, name, opts)
+                        } else {
+                            var a = document.createElement('a')
+                            a.href = blob
+                            a.target = '_blank'
+                            setTimeout(function () { click(a) })
+                        }
+                    } else {
+                        navigator.msSaveOrOpenBlob(bom(blob, opts), name)
+                    }
+                }
+
+                // Fallback to using FileReader and a popup
+                : function saveAs(blob, name, opts, popup) {
+                    // Open a popup immediately do go around popup blocker
+                    // Mostly only available on user interaction and the fileReader is async so...
+                    popup = popup || open('', '_blank')
+                    if (popup) {
+                        popup.document.title =
+                            popup.document.body.innerText = 'downloading...'
+                    }
+
+                    if (typeof blob === 'string') return download(blob, name, opts)
+
+                    var force = blob.type === 'application/octet-stream'
+                    var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari
+                    var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent)
+
+                    if ((isChromeIOS || (force && isSafari) || isWebKit) && typeof FileReader !== 'undefined') {
+                        // Safari doesn't allow downloading of blob URLs
+                        var reader = new FileReader()
+                        reader.onloadend = function () {
+                            var url = reader.result
+                            url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;')
+                            if (popup) popup.location.href = url
+                            else location = url
+                            popup = null // reverse-tabnabbing #460
+                        }
+                        reader.readAsDataURL(blob)
+                    } else {
+                        var URL = _global.URL || _global.webkitURL
+                        var url = URL.createObjectURL(blob)
+                        if (popup) popup.location = url
+                        else location.href = url
+                        popup = null // reverse-tabnabbing #460
+                        setTimeout(function () { URL.revokeObjectURL(url) }, 4E4) // 40s
+                    }
+                }
+)
+
+_global.saveAs = saveAs.saveAs = saveAs
+
+if (typeof module !== 'undefined') {
+    module.exports = saveAs;
+}

WebServer/externalScripts/gif.js

@@ -0,0 +1,3 @@
+// gif.js 0.2.0 - https://github.com/jnordberg/gif.js
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.GIF=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}else{var err=new Error('Uncaught, unspecified "error" event. ('+er+")");err.context=er;throw err}}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:args=Array.prototype.slice.call(arguments,1);handler.apply(this,args)}}else if(isObject(handler)){args=Array.prototype.slice.call(arguments,1);listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-- >0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else if(listeners){while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this.Line truncated
+//# sourceMappingURL=gif.js.map

WebServer/externalScripts/gif.worker.js

@@ -0,0 +1,3 @@
+// gif.worker.js 0.2.0 - https://github.com/jnordberg/gif.js
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){var NeuQuant=require("./TypedNeuQuant.js");var LZWEncoder=require("./LZWEncoder.js");function ByteArray(){this.page=-1;this.pages=[];this.newPage()}ByteArray.pageSize=4096;ByteArray.charMap={};for(var i=0;i<256;i++)ByteArray.charMap[i]=String.fromCharCode(i);ByteArray.prototype.newPage=function(){this.pages[++this.page]=new Uint8Array(ByteArray.pageSize);this.cursor=0};ByteArray.prototype.getData=function(){var rv="";for(var p=0;p<this.pages.length;p++){for(var i=0;i<ByteArray.pageSize;i++){rv+=ByteArray.charMap[this.pages[p][i]]}}return rv};ByteArray.prototype.writeByte=function(val){if(this.cursor>=ByteArray.pageSize)this.newPage();this.pages[this.page][this.cursor++]=val};ByteArray.prototype.writeUTFBytes=function(string){for(var l=string.length,i=0;i<l;i++)this.writeByte(string.charCodeAt(i))};ByteArray.prototype.writeBytes=function(array,offset,length){for(var l=length||array.length,i=offset||0;i<l;i++)this.writeByte(array[i])};function GIFEncoder(width,height){this.width=~~width;this.height=~~height;this.transparent=null;this.transIndex=0;this.repeat=-1;this.delay=0;this.image=null;this.pixels=null;this.indexedPixels=null;this.colorDepth=null;this.colorTab=null;this.neuQuant=null;this.usedEntry=new Array;this.palSize=7;this.dispose=-1;this.firstFrame=true;this.sample=10;this.dither=false;this.globalPalette=false;this.out=new ByteArray}GIFEncoder.prototype.setDelay=function(milliseconds){this.delay=Math.round(milliseconds/10)};GIFEncoder.prototype.setFrameRate=function(fps){this.delay=Math.round(100/fps)};GIFEncoder.prototype.setDispose=function(disposalCode){if(disposalCode>=0)this.dispose=disposalCode};GIFEncoder.prototype.setRepeat=function(repeat){this.repeat=repeat};GIFEncoder.prototype.setTransparent=function(color){this.transparent=color};GIFEncoder.prototype.addFrame=function(imageData){this.image=imageData;this.colorTab=this.globalPalette&&this.globalPalette.slice?this.globalPalette:null;this.getImagePixels();this.analyzePixels();if(this.globalPalette===true)this.globalPalette=this.colorTab;if(this.firstFrame){this.writeLSD();this.writePalette();if(this.repeat>=0){this.writeNetscapeExt()}}this.writeGraphicCtrlExt();this.writeImageDesc();if(!this.firstFrame&&!this.globalPalette)this.writePalette();this.writePixels();this.firstFrame=false};GIFEncoder.prototype.finish=function(){this.out.writeByte(59)};GIFEncoder.prototype.setQuality=function(quality){if(quality<1)quality=1;this.sample=quality};GIFEncoder.prototype.setDither=function(dither){if(dither===true)dither="FloydSteinberg";this.dither=dither};GIFEncoder.prototype.setGlobalPalette=function(palette){this.globalPalette=palette};GIFEncoder.prototype.getGlobalPalette=function(){return this.globalPalette&&this.globalPalette.slice&&this.globalPalette.slice(0)||this.globalPalette};GIFEncoder.prototype.writeHeader=function(){this.out.writeUTFBytes("GIF89a")};GIFEncoder.prototype.analyzePixels=function(){if(!this.colorTab){this.neuQuant=new NeuQuant(this.pixels,this.sample);this.neuQuant.buildColormap();this.colorTab=this.neuQuant.getColormap()}if(this.dither){this.ditherPixels(this.dither.replace("-serpentine",""),this.dither.match(/-serpentine/)!==null)}else{this.indexPixels()}this.pixels=null;this.colorDepth=8;this.palSize=7;if(this.transparent!==null){this.transIndex=this.findClosest(this.transparent,true)}};GIFEncoder.prototype.indexPixels=function(imgq){var nPix=this.pixels.length/3;this.indexedPixels=new Uint8Array(nPix);var k=0;for(var j=0;j<nPix;j++){var index=this.findClosestRGB(this.pixels[k++]&255,this.pixels[k++]&255,this.pixels[k++]&255);this.usedEntry[index]=true;this.indexedPixels[j]=index}};GIFEncoder.prototype.ditherPixels=function(kernel,serpentine){var kernels={FalseFloydSteinberg:[[3/8,1,0],[3/8,0,1],[2/8,1,1]],FloydSteinberg:[[7/16,1,0],[3/16,-1,1],[5/16,0,1],[1/16,1,1]],Stucki:[[8/42,1,0],[4/42,2,0],[2/42,-2,1],[4/42,-1,1],[8/42,0,1],[4/42,1,1],[2/42,2,1],[1/42,-2,2],[2/42,-1,2],[4/42,0,2],[2/42,1,2],[1/42,2,2]],Atkinson:[[1/8,1,0],[1/8,2,0],[1/8,-1,1],[1/8,0,1],[1/8,1,1],[1/8,0,2]]};if(!kernel||!kernels[kernel]){throw"Unknown dithering kernel: "+kernel}var ds=kernels[kernel];var index=0,height=this.height,width=this.width,data=this.pixels;var direction=serpentine?-1:1;this.indexedPixels=new Uint8Array(this.pixels.length/3);for(var y=0;y<height;y++){if(serpentine)direction=direction*-1;for(var x=direction==1?0:width-1,xend=direction==1?width:0;x!==xend;x+=direction){index=y*width+x;var idx=index*3;var r1=data[idx];var g1=data[idx+1];var b1=data[idx+2];iLine truncated
+//# sourceMappingURL=gif.worker.js.map