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@voidrayco/voidgl

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This is a WebGL foundation library that VoidRay uses in our visualizations.

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%o",c,n,e),[2,c]}})})},t.prototype.destroyAtlas=function(t){if(this.atlasTexture[t]&&(this.atlasTexture[t].dispose(),this.atlasTexture[t]=null),this.atlasMap[t]&&(this.atlasMap[t].destroy(),this.atlasMap[t]=null),this.atlasImages[t]){var e={x:0,y:0};this.atlasImages[t].forEach(function(t){t.atlasReferenceID=null,t.pixelWidth=0,t.pixelHeight=0,t.atlasBL=e,t.atlasBR=e,t.atlasTL=e,t.atlasTR=e}),this.atlasImages[t]=null}},t.prototype.isValidImage=function(t){var e=!1;return t&&(t.imagePath||t.label&&t.label.text)&&t.pixelWidth&&t.pixelHeight&&(e=!0),e},t.prototype.setDefaultImage=function(t,e){return t=Object.assign(t,b,{atlasReferenceID:e})},t.prototype.draw=function(t,e,r){return s(this,void 0,void 0,function(){var n,o,i,s,u,f,c,l,d,p,m;return a(this,function(a){switch(a.label){case 0:return this.atlasMap[e]?v?[3,2]:[4,this.waitForValidCanvasRendering()]:(y("Can not load image, invalid Atlas Name: %o for atlasMaps: %o",e,this.atlasMap),[2,!1]);case 1:a.sent(),a.label=2;case 2:return[4,this.loadImage(t)];case 3:return n=a.sent(),t.atlasReferenceID=null,n&&this.isValidImage(t)?(y("Image loaded: %o",t.imagePath),o=new h.Bounds(0,t.pixelWidth,t.pixelHeight,0),i={first:t,second:o},i.second.width+=1,i.second.height+=1,s=this.atlasMap[e],u=s.insert(i),u?(y("Atlas location determined: %o",u),t.label&&g("Atlas location determined. PackNode: %o Dimensions: %o",u,i),u.nodeImage=t,f=u.nodeDimensions.x/this.textureWidth,c=u.nodeDimensions.y/this.textureHeight,l=u.nodeDimensions.width/this.textureWidth,d=u.nodeDimensions.height/this.textureHeight,p=1/this.textureWidth,m=new h.Bounds(f,f+l,1-c,1-(c+d)),t.atlasReferenceID=e,t.atlasBL={x:m.x,y:m.y-m.height},t.atlasBR={x:m.x+m.width-p,y:m.y-m.height},t.atlasTL={x:m.x,y:m.y},t.atlasTR={x:m.x+m.width-p,y:m.y},r.drawImage(n,u.nodeDimensions.x,u.nodeDimensions.y),[2,!0]):(console.error("Could not fit image into atlas "+t.imagePath),t=this.setDefaultImage(t,e),[2,!1])):(t.imagePath?console.error("Could not load image: "+t.imagePath):console.error("Could not load label: "+t.label.text),t=this.setDefaultImage(t,e),[2,!1])}})})},t.prototype.drawColors=function(t,e,r){return s(this,void 0,void 0,function(){var n,o,i,s,u,f,c,l,d,p,g,b,v,x,w,_,C,I,P,M,A,B,S,O,T,z,R,E,L,U,D,k;return a(this,function(a){if(y("Finding space for colors on the atlas: %o",t),n=2,o=2,i=(this.textureWidth-2)/n,s=Math.min(this.textureWidth,i*n),u=Math.ceil(t.length*n/s),f=Math.ceil(s/n),c=u*o,l={first:new m.AtlasTexture(null,null),second:new h.Bounds(0,s,c,0)},l.second.width+=1,l.second.height+=1,d=this.atlasMap[e],p=d.insert(l)){for(y("Atlas location determined for colors: %o",p),g=p.nodeImage=l.first,b=p.nodeDimensions.x/this.textureWidth,v=p.nodeDimensions.y/this.textureHeight,x=p.nodeDimensions.width/this.textureWidth,w=p.nodeDimensions.height/this.textureHeight,_=new h.Bounds(b,b+x,1-v,1-(v+w)),g.atlasReferenceID=e,g.atlasBL={x:_.x,y:_.y-_.height},g.atlasBR={x:_.x+_.width,y:_.y-_.height},g.atlasTL={x:_.x,y:_.y},g.atlasTR={x:_.x+_.width,y:_.y},C=p.nodeDimensions,I=C.x,P=C.y,M=n/this.textureWidth,A=-o/this.textureHeight,B=I/this.textureWidth+M/2,S=1-P/this.textureHeight+A/2,O=0,T=0,z=0,R=t;z<R.length;z++)E=R[z],E.atlasReferenceID=e,E.colorIndex=O+T*f,E.colorsPerRow=f,E.firstColor={x:B,y:S},E.nextColor={x:M,y:A},L=E.color,U=L.r,D=L.g,k=L.b,r.fillStyle="rgba("+Math.round(255*U)+", "+Math.round(255*D)+", "+Math.round(255*k)+", "+E.opacity+")",r.fillRect(O*n+I,T*o+P,n,o),++O===f&&(O=0,T++);return[2,g]}throw new Error("Could not fit colors into atlas")})})},t.prototype.getAtlasTexture=function(t){return this.atlasTexture[t]},t.prototype.waitForValidCanvasRendering=function(){return s(this,void 0,void 0,function(){var t=this;return a(this,function(e){return[2,new Promise(function(e,r){return s(t,void 0,void 0,function(){function t(t,e,r){var n=e*(4*r)+4*t;return[n,n+1,n+2,n+3]}var n,o,s,u,h,l,y,g,b,x,w,_,C,I,P,M,A,B;return a(this,function(a){switch(a.label){case 0:n=!1,o=setTimeout(function(){console.warn("Unable to establish a Canvas context that is able to render labels"),n=!0,r()},1e4),s=new c.AtlasColor(new f.Color(1,1,1),1),u=new d.ReferenceColor(s),h=new p.Label({color:u,font:"Calibri, Candara, Segoe, Segoe UI, Optima, Arial, sans-serif",fontSize:14,text:"abcdefghijklmnopqrstuvwxyz0123456789"}),l=new m.AtlasTexture(null,h),a.label=1;case 1:if(v||n)return[3,3];for(y=i(l),g=y.canvas,b=g.width,x=g.height,w=y.getImageData(0,0,b,x).data,_=void 0,C=void 0,I=void 0,P=void 0,M=void 0,A=0;A<b;++A)for(B=0;B<x;++B)if(_=t(A,B,b),C=w[_[0]],I=w[_[1]],P=w[_[2]],M=w[_[3]],255===C&&255===I&&255===P)return e(),clearTimeout(o),v=!0,[2];return[4,new Promise(function(t){return setTimeout(t,10)})];case 2:return a.sent(),[3,1];case 3:return[2]}})})})]})})},t.prototype.loadImage=function(t){if(t.imagePath){var e=t.imagePath;if(n(e))return t.pixelWidth=e.width,t.pixelHeight=e.height,t.aspectRatio=e.width/e.height,Promise.resolve(e);if(o(e))return new Promise(function(r,n){var o=new Image;o.onload=function(){t.pixelWidth=o.width,t.pixelHeight=o.height,t.aspectRatio=o.width/o.height,r(o)},o.onerror=function(){r(null)},o.src=e})}else if(t.label)return new Promise(function(e,r){var n=t.label,o=n.getSize(),i=document.createElement("canvas"),s=i.getContext("2d");if(i.width=o.width,i.height=o.height,y("label X %o",t.label.rasterizationOffset.x),s){var a=n.fontSize,f=u.rgb(255*n.color.base.color.r,2