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function(t,e,i){i.d(e,{A:()=>n});class n{key;canvas;context;cells;native;renderedFrames;frameWidth;frameHeight;frameRate;frameCount;constructor(t,e,i,n){const[r,a,s]=function(t,e,i){let n=Math.ceil(Math.sqrt(i));return[n,n*t,n*e]}(i,n,t.frames);if(this.key=e,this.canvas=function(t,e){if("function"==typeof OffscreenCanvas)return new OffscreenCanvas(t,e);let i=document.createElement("canvas");return i.width=t,i.height=e,i}(a,s),this.context=this.canvas.getContext("2d"),this.cells=r,this.native=t,this.renderedFrames=new Set,this.frameWidth=i,this.frameHeight=n,this.frameRate=t.fps,this.frameCount=t.frames,null==this.context)throw Error("couldn't create 2d canvas context.")}drawInto(t,e,i,n){e%=this.frameCount,this.requireFrame(e);let[a,s,h,o]=r(e,this.frameWidth,this.frameHeight,this.cells);t.drawImage(this.canvas,a,s,h,o,0,0,i,n)}drop(){this.native?.drop(),this.native=null}requireFrame(t){null!=this.native&&(this.renderedFrames.has(t)||(this.paint(t),this.renderedFrames.add(t)),this.renderedFrames.size===this.frameCount&&this.drop())}paint(t){if(null!=this.native){let e=new ImageData(this.native.get_bgra(t,this.frameWidth,this.frameHeight),this.frameWidth,this.frameHeight),[i,n,a,s]=r(t,this.frameWidth,this.frameHeight,this.cells);this.context?.putImageData(e,i,n,0,0,a,s)}}}function r(t,e,i,n){return[Math.floor(t/n)*e,t%n*i,e,i]}}