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https://github.com/zhw2590582/ArtPlayer.git
synced 2026-10-23 05:41:20 -08:00
feat: add danmuku plugin documentation and i18n setup guide
- Created a new documentation file for the danmuku plugin, including code snippets for usage. - Added a new i18n setup guide, detailing language settings, default languages, language imports, and how to add or modify languages. - Included example code for initializing the Artplayer with different languages and importing language files.
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Harvey Zhao committed
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@@ -4,4 +4,261 @@
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* (c) 2017-2026 Harvey Zhao
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* Released under the MIT License.
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*/
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class t{on(t,e,i){const n=this.e||(this.e={});return(n[t]||(n[t]=[])).push({fn:e,ctx:i}),this}once(t,e,i){const n=this;function o(...s){n.off(t,o),e.apply(i,s)}return o._=e,this.on(t,o,i)}emit(t,...e){const i=((this.e||(this.e={}))[t]||[]).slice();for(let n=0;n<i.length;n+=1)i[n].fn.apply(i[n].ctx,e);return this}off(t,e){const i=this.e||(this.e={}),n=i[t],o=[];if(n&&e)for(let s=0,r=n.length;s<r;s+=1)n[s].fn!==e&&n[s].fn._!==e&&o.push(n[s]);return o.length?i[t]=o:delete i[t],this}}function e(t,e,i){return Math.max(Math.min(t,Math.max(e,i)),Math.min(e,i))}class i extends t{constructor(t={}){super(),this.processing=!1,this.option={},this.setup(Object.assign({},i.DEFAULTS,t)),this.video=i.creatVideo(),this.duration=0,this.inputChange=this.inputChange.bind(this),this.ondrop=this.ondrop.bind(this),this.option.fileInput.addEventListener("change",this.inputChange),this.option.fileInput.addEventListener("dragover",i.ondragover),this.option.fileInput.addEventListener("drop",i.ondrop)}static get DEFAULTS(){return{number:60,width:160,height:90,column:10,begin:0,end:Number.NaN}}static ondragover(t){t.preventDefault()}ondrop(t){t.preventDefault();const e=t.dataTransfer.files[0];this.loadVideo(e)}setup(t={}){this.option=Object.assign({},this.option,t);const{fileInput:i,number:n,width:o,column:s}=this.option;if(this.errorHandle(i instanceof Element,"The 'fileInput' is not a Element"),"INPUT"!==i.tagName||"file"!==i.type){i.style.position="relative";const t=document.createElement("input");t.type="file",t.style.position="absolute",t.style.width="100%",t.style.height="100%",t.style.left="0",t.style.top="0",t.style.right="0",t.style.bottom="0",t.style.opacity="0",i.appendChild(t),this.option.fileInput=t}return["number","width","column","begin","end"].forEach(t=>{this.errorHandle("number"===typeof this.option[t],`The '${t}' is not a number`)}),this.option.number=e(n,10,1e3),this.option.width=e(o,10,1e3),this.option.column=e(s,1,1e3),this}static creatVideo(){const t=document.createElement("video");return t.style.position="absolute",t.style.top="-9999px",t.style.left="-9999px",t.muted=!0,t.controls=!0,document.body.appendChild(t),t}inputChange(t){const e=this.option.fileInput.files[0];this.loadVideo(e),t.target.value=""}loadVideo(t){if(t){const e=this.video.canPlayType(t.type);this.errorHandle("maybe"===e||"probably"===e,`Playback of this file format is not supported: ${t.type}`);const i=URL.createObjectURL(t);this.videoUrl=i,this.file=t,this.emit("file",this.file),this.video.src=i,this.emit("video",this.video)}}start(){if(!this.video.duration)return(t=1e3,new Promise(e=>setTimeout(e,t))).then(()=>this.start());var t;const{width:i,number:n,begin:o,end:s}=this.option,r=this.video.videoHeight/this.video.videoWidth*i;this.option.height=r,this.option.begin=e(o,0,this.video.duration),this.option.end=e(s||this.video.duration,o,this.video.duration),this.errorHandle(this.option.end>this.option.begin,"End time must be greater than the start time"),this.duration=this.option.end-this.option.begin,this.density=n/this.duration,this.errorHandle(this.file&&this.video,"Please select the video file first"),this.errorHandle(!this.processing,"There is currently a task in progress, please wait a moment..."),this.errorHandle(this.density<=1,`The preview density cannot be greater than 1, but got ${this.density}`);const h=this.creatScreenshotDate(),a=this.creatCanvas(),l=a.getContext("2d");this.emit("canvas",a);const d=h.map((t,e)=>()=>new Promise(o=>{this.video.oncanplay=()=>{l.drawImage(this.video,t.x,t.y,i,r),a.toBlob(t=>{this.thumbnailUrl&&URL.revokeObjectURL(this.thumbnailUrl),this.thumbnailUrl=URL.createObjectURL(t),this.emit("update",this.thumbnailUrl,(e+1)/n),this.video.oncanplay=null,o()})},this.video.currentTime=t.time}));return this.processing=!0,(p=d,p.reduce((t,e)=>t.then(e),Promise.resolve())).then(()=>{this.processing=!1,this.emit("done")}).catch(t=>{throw this.processing=!1,this.emit("error",t.message),t});var p}creatScreenshotDate(){const{number:t,width:e,height:i,column:n,begin:o}=this.option,s=this.duration/t,r=[o+s];for(;r.length<t;){const t=r[r.length-1];r.push(t+s)}return r.map((t,o)=>({time:t-s/2,x:o%n*e,y:Math.floor(o/n)*i}))}creatCanvas(){const{number:t,width:e,height:i,column:n}=this.option,o=document.createElement("canvas"),s=o.getContext("2d");return o.width=e*n,o.height=Math.ceil(t/n)*i+30,s.fillStyle="black",s.fillRect(0,0,o.width,o.height),s.font="14px Georgia",s.fillStyle="#fff",s.fillText(`From: https://artplayer.org/, Number: ${t}, Width: ${e}, Height: ${i}, Column: ${n}`,10,o.height-11),o}download(){this.errorHandle(this.file&&this.thumbnailUrl,"Download does not seem to be ready, please create preview first"),this.errorHandle(!this.processing,"There is currently a task in progress, please wait a moment...");const t=document.createElement("a"),e=`${function(t){const e=t.split(".");return e.pop(),e.join(".")}(this.file.name)}.png`;return t.download=e,t.href=this.thumbnailUrl,document.body.appendChild(t),t.click(),docuLine truncated
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class Emitter {
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on(name, fn, ctx) {
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const e = this.e || (this.e = {});
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(e[name] || (e[name] = [])).push({ fn, ctx });
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return this;
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}
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once(name, fn, ctx) {
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const self = this;
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function listener(...args) {
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self.off(name, listener);
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fn.apply(ctx, args);
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}
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listener._ = fn;
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return this.on(name, listener, ctx);
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}
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emit(name, ...data) {
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const evtArr = ((this.e || (this.e = {}))[name] || []).slice();
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for (let i = 0; i < evtArr.length; i += 1) {
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evtArr[i].fn.apply(evtArr[i].ctx, data);
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}
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return this;
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}
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off(name, callback) {
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const e = this.e || (this.e = {});
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const evts = e[name];
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const liveEvents = [];
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if (evts && callback) {
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for (let i = 0, len = evts.length; i < len; i += 1) {
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if (evts[i].fn !== callback && evts[i].fn._ !== callback)
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liveEvents.push(evts[i]);
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}
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}
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if (liveEvents.length) {
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e[name] = liveEvents;
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} else {
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delete e[name];
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}
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return this;
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}
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}
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function sleep(ms) {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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function runPromisesInSeries(ps) {
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return ps.reduce((p, next) => p.then(next), Promise.resolve());
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}
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function getFileName(name) {
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const nameArray = name.split(".");
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nameArray.pop();
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return nameArray.join(".");
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}
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function clamp(num, a, b) {
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return Math.max(Math.min(num, Math.max(a, b)), Math.min(a, b));
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}
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class ArtplayerToolThumbnail extends Emitter {
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constructor(option = {}) {
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super();
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this.processing = false;
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this.option = {};
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this.setup(Object.assign({}, ArtplayerToolThumbnail.DEFAULTS, option));
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this.video = ArtplayerToolThumbnail.creatVideo();
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this.duration = 0;
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this.inputChange = this.inputChange.bind(this);
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this.ondrop = this.ondrop.bind(this);
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this.option.fileInput.addEventListener("change", this.inputChange);
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this.option.fileInput.addEventListener("dragover", ArtplayerToolThumbnail.ondragover);
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this.option.fileInput.addEventListener("drop", ArtplayerToolThumbnail.ondrop);
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}
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static get DEFAULTS() {
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return {
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number: 60,
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width: 160,
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height: 90,
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column: 10,
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begin: 0,
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end: Number.NaN
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};
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}
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static ondragover(event) {
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event.preventDefault();
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}
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ondrop(event) {
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event.preventDefault();
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const file = event.dataTransfer.files[0];
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this.loadVideo(file);
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}
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setup(option = {}) {
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this.option = Object.assign({}, this.option, option);
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const { fileInput, number, width, column } = this.option;
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this.errorHandle(fileInput instanceof Element, "The 'fileInput' is not a Element");
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if (!(fileInput.tagName === "INPUT" && fileInput.type === "file")) {
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fileInput.style.position = "relative";
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const newFileInput = document.createElement("input");
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newFileInput.type = "file";
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newFileInput.style.position = "absolute";
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newFileInput.style.width = "100%";
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newFileInput.style.height = "100%";
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newFileInput.style.left = "0";
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newFileInput.style.top = "0";
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newFileInput.style.right = "0";
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newFileInput.style.bottom = "0";
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newFileInput.style.opacity = "0";
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fileInput.appendChild(newFileInput);
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this.option.fileInput = newFileInput;
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}
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["number", "width", "column", "begin", "end"].forEach((item) => {
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this.errorHandle(typeof this.option[item] === "number", `The '${item}' is not a number`);
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});
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this.option.number = clamp(number, 10, 1e3);
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this.option.width = clamp(width, 10, 1e3);
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this.option.column = clamp(column, 1, 1e3);
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return this;
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}
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static creatVideo() {
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const video = document.createElement("video");
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video.style.position = "absolute";
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video.style.top = "-9999px";
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video.style.left = "-9999px";
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video.muted = true;
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video.controls = true;
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document.body.appendChild(video);
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return video;
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}
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inputChange(event) {
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const file = this.option.fileInput.files[0];
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this.loadVideo(file);
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event.target.value = "";
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}
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loadVideo(file) {
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if (file) {
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const canPlayType = this.video.canPlayType(file.type);
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this.errorHandle(
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canPlayType === "maybe" || canPlayType === "probably",
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`Playback of this file format is not supported: ${file.type}`
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);
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const videoUrl = URL.createObjectURL(file);
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this.videoUrl = videoUrl;
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this.file = file;
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this.emit("file", this.file);
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this.video.src = videoUrl;
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this.emit("video", this.video);
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}
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}
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start() {
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if (!this.video.duration)
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return sleep(1e3).then(() => this.start());
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const { width, number, begin, end } = this.option;
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const height = this.video.videoHeight / this.video.videoWidth * width;
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this.option.height = height;
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this.option.begin = clamp(begin, 0, this.video.duration);
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this.option.end = clamp(end || this.video.duration, begin, this.video.duration);
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this.errorHandle(this.option.end > this.option.begin, `End time must be greater than the start time`);
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this.duration = this.option.end - this.option.begin;
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this.density = number / this.duration;
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this.errorHandle(this.file && this.video, "Please select the video file first");
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this.errorHandle(!this.processing, "There is currently a task in progress, please wait a moment...");
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this.errorHandle(this.density <= 1, `The preview density cannot be greater than 1, but got ${this.density}`);
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const screenshotDate = this.creatScreenshotDate();
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const canvas = this.creatCanvas();
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const context2D = canvas.getContext("2d");
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this.emit("canvas", canvas);
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const promiseList = screenshotDate.map((item, index) => () => {
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return new Promise((resolve) => {
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this.video.oncanplay = () => {
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context2D.drawImage(this.video, item.x, item.y, width, height);
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canvas.toBlob((blob) => {
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if (this.thumbnailUrl) {
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URL.revokeObjectURL(this.thumbnailUrl);
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}
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this.thumbnailUrl = URL.createObjectURL(blob);
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this.emit("update", this.thumbnailUrl, (index + 1) / number);
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this.video.oncanplay = null;
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resolve();
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});
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};
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this.video.currentTime = item.time;
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});
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});
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this.processing = true;
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return runPromisesInSeries(promiseList).then(() => {
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this.processing = false;
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this.emit("done");
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}).catch((err) => {
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this.processing = false;
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this.emit("error", err.message);
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throw err;
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});
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}
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creatScreenshotDate() {
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const { number, width, height, column, begin } = this.option;
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const timeGap = this.duration / number;
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const timePoints = [begin + timeGap];
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while (timePoints.length < number) {
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const last = timePoints[timePoints.length - 1];
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timePoints.push(last + timeGap);
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}
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return timePoints.map((item, index) => ({
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time: item - timeGap / 2,
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x: index % column * width,
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y: Math.floor(index / column) * height
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}));
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}
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creatCanvas() {
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const { number, width, height, column } = this.option;
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const canvas = document.createElement("canvas");
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const context2D = canvas.getContext("2d");
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canvas.width = width * column;
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canvas.height = Math.ceil(number / column) * height + 30;
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context2D.fillStyle = "black";
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context2D.fillRect(0, 0, canvas.width, canvas.height);
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context2D.font = "14px Georgia";
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context2D.fillStyle = "#fff";
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context2D.fillText(
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`From: https://artplayer.org/, Number: ${number}, Width: ${width}, Height: ${height}, Column: ${column}`,
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10,
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canvas.height - 11
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);
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return canvas;
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}
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download() {
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this.errorHandle(
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this.file && this.thumbnailUrl,
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"Download does not seem to be ready, please create preview first"
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);
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this.errorHandle(!this.processing, "There is currently a task in progress, please wait a moment...");
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const elink = document.createElement("a");
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const name = `${getFileName(this.file.name)}.png`;
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elink.download = name;
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elink.href = this.thumbnailUrl;
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document.body.appendChild(elink);
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elink.click();
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document.body.removeChild(elink);
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this.emit("download", name);
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return this;
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}
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errorHandle(condition, msg) {
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if (!condition) {
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this.emit("error", msg);
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throw new Error(msg);
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}
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}
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destroy() {
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this.option.fileInput.removeEventListener("change", this.inputChange);
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this.option.fileInput.removeEventListener("dragover", ArtplayerToolThumbnail.ondragover);
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this.option.fileInput.removeEventListener("drop", ArtplayerToolThumbnail.ondrop);
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document.body.removeChild(this.video);
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if (this.videoUrl) {
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URL.revokeObjectURL(this.videoUrl);
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}
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if (this.thumbnailUrl) {
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URL.revokeObjectURL(this.thumbnailUrl);
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}
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this.emit("destroy");
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}
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}
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export {
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ArtplayerToolThumbnail as default
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};
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Block a user