mirror of
https://github.com/zhw2590582/ArtPlayer.git
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8 lines
13 KiB
JavaScript
8 lines
13 KiB
JavaScript
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/*!
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* artplayer-tool-thumbnail.js v4.3.12
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* Github: https://github.com/zhw2590582/ArtPlayer
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* (c) 2017-2025 Harvey Zack
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* Released under the MIT License.
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*/
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!function(e,t,r,n,o,i,s,l){var a="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{},u="function"==typeof a[n]&&a[n],c=u.i||{},f=u.cache||{},p="undefined"!=typeof module&&"function"==typeof module.require&&module.require.bind(module);function h(t,r){if(!f[t]){if(!e[t]){if(o[t])return o[t];var i="function"==typeof a[n]&&a[n];if(!r&&i)return i(t,!0);if(u)return u(t,!0);if(p&&"string"==typeof t)return p(t);var s=Error("Cannot find module '"+t+"'");throw s.code="MODULE_NOT_FOUND",s}c.resolve=function(r){var n=e[t][1][r];return null!=n?n:r},c.cache={};var l=f[t]=new h.Module(t);e[t][0].call(l.exports,c,l,l.exports,a)}return f[t].exports;function c(e){var t=c.resolve(e);return!1===t?{}:h(t)}}h.isParcelRequire=!0,h.Module=function(e){this.id=e,this.bundle=h,this.require=p,this.exports={}},h.modules=e,h.cache=f,h.parent=u,h.distDir=void 0,h.publicUrl=void 0,h.devServer=void 0,h.i=c,h.register=function(t,r){e[t]=[function(e,t){t.exports=r},{}]},Object.defineProperty(h,"root",{get:function(){return a[n]}}),a[n]=h;for(var d=0;d<t.length;d++)h(t[d]);if(r){var m=h(r);"object"==typeof exports&&"undefined"!=typeof module?module.exports=m:"function"==typeof define&&define.amd&&define(function(){return m})}}({esZVA:[function(e,t,r,n){var o=e("@parcel/transformer-js/src/esmodule-helpers.js");o.defineInteropFlag(r),o.export(r,"default",function(){return p});var i=e("@swc/helpers/_/_call_super"),s=e("@swc/helpers/_/_class_call_check"),l=e("@swc/helpers/_/_create_class"),a=e("@swc/helpers/_/_inherits"),u=e("./emitter"),c=o.interopDefault(u),f=e("./utils"),p=function(e){"use strict";function t(){var e,r=arguments.length>0&&void 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l=document.createElement("input");l.type="file",l.style.position="absolute",l.style.width="100%",l.style.height="100%",l.style.left="0",l.style.top="0",l.style.right="0",l.style.bottom="0",l.style.opacity="0",n.appendChild(l),this.option.fileInput=l}return["number","width","column","begin","end"].forEach(function(t){e.errorHandle("number"==typeof e.option[t],"The '".concat(t,"' is not a number"))}),this.option.number=(0,f.clamp)(o,10,1e3),this.option.width=(0,f.clamp)(i,10,1e3),this.option.column=(0,f.clamp)(s,1,1e3),this}},{key:"inputChange",value:function(e){var t=this.option.fileInput.files[0];this.loadVideo(t),e.target.value=""}},{key:"loadVideo",value:function(e){if(e){var t=this.video.canPlayType(e.type);this.errorHandle("maybe"===t||"probably"===t,"Playback of this file format is not supported: ".concat(e.type));var r=URL.createObjectURL(e);this.videoUrl=r,this.file=e,this.emit("file",this.file),this.video.src=r,this.emit("video",this.video)}}},{key:"start",value:function(){var e=this;if(!this.video.duration)return(0,f.sleep)(1e3).then(function(){return e.start()});var t=this.option,r=t.width,n=t.number,o=t.begin,i=t.end,s=this.video.videoHeight/this.video.videoWidth*r;this.option.height=s,this.option.begin=(0,f.clamp)(o,0,this.video.duration),this.option.end=(0,f.clamp)(i||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 ".concat(this.density));var l=this.creatScreenshotDate(),a=this.creatCanvas(),u=a.getContext("2d");this.emit("canvas",a);var c=l.map(function(t,o){return function(){return new Promise(function(i){e.video.oncanplay=function(){u.drawImage(e.video,t.x,t.y,r,s),a.toBlob(function(t){e.thumbnailUrl&&URL.revokeObjectURL(e.thumbnailUrl),e.thumbnailUrl=URL.createObjectURL(t),e.emit("update",e.thumbnailUrl,(o+1)/n),e.video.oncanplay=null,i()})},e.video.currentTime=t.time})}});return this.processing=!0,(0,f.runPromisesInSeries)(c).then(function(){e.processing=!1,e.emit("done")}).catch(function(t){throw e.processing=!1,e.emit("error",t.message),t})}},{key:"creatScreenshotDate",value:function(){for(var e=this.option,t=e.number,r=e.width,n=e.height,o=e.column,i=e.begin,s=this.duration/t,l=[i+s];l.length<t;){var a=l[l.length-1];l.push(a+s)}return l.map(function(e,t){return{time:e-s/2,x:t%o*r,y:Math.floor(t/o)*n}})}},{key:"creatCanvas",value:function(){var e=this.option,t=e.number,r=e.width,n=e.height,o=e.column,i=document.createElement("canvas"),s=i.getContext("2d");return i.width=r*o,i.height=Math.ceil(t/o)*n+30,s.fillStyle="black",s.fillRect(0,0,i.width,i.height),s.font="14px Georgia",s.fillStyle="#fff",s.fillText("From: https://artplayer.org/, Number: ".concat(t,", Width: ").concat(r,", Height: ").concat(n,", Column: ").concat(o),10,i.height-11),i}},{key:"download",value:function(){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...");var e=document.createElement("a"),t="".concat((0,f.getFileName)(this.file.name),".png");return e.download=t,e.href=this.thumbnailUrl,document.body.appendChild(e),e.click(),document.body.removeChild(e),this.emit("download",t),this}},{key:"errorHandle",value:function(e,t){if(!e)throw this.emit("error",t),Error(t)}},{key:"destroy",value:function(){this.option.fileInput.removeEventListener("change",this.inputChange),this.option.fileInput.removeEventListener("dragover",t.ondragover),this.option.fileInput.removeEventListener("drop",t.ondrop),document.body.removeChild(this.video),this.videoUrl&&URL.revokeObjectURL(this.videoUrl),this.thumbnailUrl&&URL.revokeObjectURL(this.thumbnailUrl),this.emit("destroy")}}],[{key:"DEFAULTS",get:function(){return{number:60,width:160,height:90,column:10,begin:0,end:NaN}}},{key:"ondragover",value:function(e){e.preventDefault()}},{key:"creatVideo",value:function(){var e=document.createElement("video");return 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