// from https://github.com/riccardoscalco/textures/blob/master/textures.min.js, which has an MIT license

(function(){var rand,root,__slice=[].slice;root=typeof exports!=="undefined"&&exports!==null?exports:this;rand=function(){return(Math.random().toString(36)+"00000000000000000").replace(/[^a-z]+/g,"").slice(0,5)};root.textures={circles:function(){var background,circles,complement,fill,id,radius,size,stroke,strokeWidth;size=20;background="";radius=2;complement=false;fill="#343434";stroke="#343434";strokeWidth=0;id=rand();circles=function(){var corner,g,_i,_len,_ref,_results;g=this.append("defs").append("pattern").attr("id",id).attr("patternUnits","userSpaceOnUse").attr("width",size).attr("height",size);if(background){g.append("rect").attr("width",size).attr("height",size).attr("fill",background)}g.append("circle").attr("cx",size/2).attr("cy",size/2).attr("r",radius).attr("fill",fill).attr("stroke",stroke).attr("stroke-width",strokeWidth);if(complement){_ref=[[0,0],[0,size],[size,0],[size,size]];_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){corner=_ref[_i];_results.push(g.append("circle").attr("cx",corner[0]).attr("cy",corner[1]).attr("r",radius).attr("fill",fill).attr("stroke",stroke).attr("stroke-width",strokeWidth))}return _results}};circles.heavier=function(_){if(!arguments.length){radius=radius*2}else{radius=_?radius*2*_:radius*2}return circles};circles.lighter=function(_){if(!arguments.length){radius=radius/2}else{radius=_?radius/(2*_):radius/2}return circles};circles.thinner=function(_){if(!arguments.length){size=size*2}else{size=_?size*2*_:size*2}return circles};circles.thicker=function(_){if(!arguments.length){size=size/2}else{size=_?size/(2*_):size/2}return circles};circles.background=function(_){background=_;return circles};circles.size=function(_){size=_;return circles};circles.complement=function(){complement=true;return circles};circles.radius=function(_){radius=_;return circles};circles.fill=function(_){fill=_;return circles};circles.stroke=function(_){stroke=_;return circles};circles.strokeWidth=function(_){strokeWidth=_;return circles};circles.id=function(_){if(!arguments.length){return id}else{id=_;return circles}};circles.url=function(){return"url(#"+circles.id()+")"};return circles},lines:function(){var background,id,lines,orientation,path,shapeRendering,size,stroke,strokeWidth;size=20;strokeWidth=2;stroke="#343434";id=rand();background="";orientation=["diagonal"];shapeRendering="auto";path=function(orientation){switch(orientation){case"0/8":return function(s){return"M "+s/2+", 0 l 0, "+s}(size);case"vertical":return function(s){return"M "+s/2+", 0 l 0, "+s}(size);case"1/8":return function(s){return"M "+s/4+",0 l "+s/2+","+s+" M "+-s/4+",0 l "+s/2+","+s+" M "+s*3/4+",0 l "+s/2+","+s}(size);case"2/8":return function(s){return"M 0,"+s+" l "+s+","+-s+" M "+-s/4+","+s/4+" l "+s/2+","+-s/2+" M "+3/4*s+","+5/4*s+" l "+s/2+","+-s/2}(size);case"diagonal":return function(s){return"M 0,"+s+" l "+s+","+-s+" M "+-s/4+","+s/4+" l "+s/2+","+-s/2+" M "+3/4*s+","+5/4*s+" l "+s/2+","+-s/2}(size);case"3/8":return function(s){return"M 0,"+3/4*s+" l "+s+","+-s/2+" M 0,"+s/4+" l "+s+","+-s/2+" M 0,"+s*5/4+" l "+s+","+-s/2}(size);case"4/8":return function(s){return"M 0,"+s/2+" l "+s+",0"}(size);case"horizontal":return function(s){return"M 0,"+s/2+" l "+s+",0"}(size);case"5/8":return function(s){return"M 0,"+-s/4+" l "+s+","+s/2+"M 0,"+s/4+" l "+s+","+s/2+"M 0,"+s*3/4+" l "+s+","+s/2}(size);case"6/8":return function(s){return"M 0,0 l "+s+","+s+" M "+-s/4+","+3/4*s+" l "+s/2+","+s/2+" M "+s*3/4+","+-s/4+" l "+s/2+","+s/2}(size);case"7/8":return function(s){return"M "+-s/4+",0 l "+s/2+","+s+" M "+s/4+",0 l "+s/2+","+s+" M "+s*3/4+",0 l "+s/2+","+s}(size);default:return function(s){return"M "+s/2+", 0 l 0, "+s}(size)}};lines=function(){var g,o,_i,_len,_results;g=this.append("defs").append("pattern").attr("id",id).attr("patternUnits","userSpaceOnUse").attr("width",size).attr("height",size);if(background){g.append("rect").attr("width",size).attr("height",size).attr("fill",background)}_results=[];for(_i=0,_len=orientation.length;_i<_len;_i++){o=orientation[_i];_results.push(g.append("path").attr("d",path(o)).attr("stroke-width",strokeWidth).attr("shape-rendering",shapeRendering).attr("stroke",stroke).attr("stroke-linecap","square"))}return _results};lines.background=function(_){background=_;return lines};lines.shapeRendering=function(_){shapeRendering=_;return lines};lines.heavier=function(_){if(!arguments.length){strokeWidth=strokeWidth*2}else{strokeWidth=_?strokeWidth*2*_:strokeWidth*2}return lines};lines.lighter=function(_){if(!arguments.length){strokeWidth=strokeWidth/2}else{strokeWidth=_?strokeWidth/(2*_):strokeWidth/2}return lines};lines.thinner=function(_){if(!arguments.length){size=size*2}else{size=_?size*2*_:size*2}return lines};lines.thicker=function(_){if(!arguments.length){size=size/2}else{size=_?size/(2*_):size/2}return lines};lines.orientation=function(){var args;args=1<=arguments.length?__slice.call(arguments,0):[];orientation=args;return lines};lines.size=function(_){size=_;return lines};lines.stroke=function(_){stroke=_;return lines};lines.strokeWidth=function(_){strokeWidth=_;return lines};lines.id=function(_){if(!arguments.length){return id}else{id=_;return lines}};lines.url=function(){return"url(#"+lines.id()+")"};return lines},paths:function(){var background,d,fill,height,id,paths,shapeRendering,size,stroke,strokeWidth,svgPath,width;size=20;height=1;width=1;strokeWidth=2;stroke="#343434";background="";d="";shapeRendering="auto";fill="transparent";id=void 0;svgPath=function(_){switch(_){case"squares":return function(s){return"M "+s/4+" "+s/4+" l "+s/2+" 0 l 0 "+s/2+" l "+-s/2+" 0 Z"}(size);case"nylon":return function(s){return"M 0 "+s/4+" l "+s/4+" 0 l 0 "+-s/4+" M "+s*3/4+" "+s+" l 0 "+-s/4+" l "+s/4+" 0 M "+s/4+" "+s/2+" l 0 "+s/4+" l "+s/4+" 0 M "+s/2+" "+s/4+" l "+s/4+" 0 l 0 "+s/4}(size);case"waves":return function(s){return"M 0 "+s/2+" c "+s/8+" "+-s/4+" , "+s*3/8+" "+-s/4+" , "+s/2+" 0 c "+s/8+" "+s/4+" , "+s*3/8+" "+s/4+" , "+s/2+" 0 M "+-s/2+" "+s/2+" c "+s/8+" "+s/4+" , "+s*3/8+" "+s/4+" , "+s/2+" 0 M "+s+" "+s/2+" c "+s/8+" "+-s/4+" , "+s*3/8+" "+-s/4+" , "+s/2+" 0"}(size);case"woven":return function(s){return"M "+s/4+","+s/4+"l"+s/2+","+s/2+"M"+s*3/4+","+s/4+"l"+s/2+","+-s/2+"M"+s/4+","+s*3/4+"l"+-s/2+","+s/2+"M"+s*3/4+","+s*5/4+"l"+s/2+","+-s/2+"M"+-s/4+","+s/4+"l"+s/2+","+-s/2}(size);case"crosses":return function(s){return"M "+s/4+","+s/4+"l"+s/2+","+s/2+"M"+s/4+","+s*3/4+"l"+s/2+","+-s/2}(size);case"caps":return function(s){return"M "+s/4+","+s*3/4+"l"+s/4+","+-s/2+"l"+s/4+","+s/2}(size);case"hexagons":return function(s){width=3;height=Math.sqrt(3);return"M "+s+",0 l "+s+",0 l "+s/2+","+s*Math.sqrt(3)/2+" l "+-s/2+","+s*Math.sqrt(3)/2+" l "+-s+",0 l "+-s/2+","+-s*Math.sqrt(3)/2+" Z M 0,"+s*Math.sqrt(3)/2+" l "+s/2+",0 M "+3*s+","+s*Math.sqrt(3)/2+" l "+-s/2+",0"}(size);default:return _(size)}};paths=function(){var g,path;path=svgPath(d);id=rand();g=this.append("defs").append("pattern").attr("id",id).attr("patternUnits","userSpaceOnUse").attr("width",size*width).attr("height",size*height);if(background){g.append("rect").attr("width",size*width).attr("height",size*height).attr("fill",background)}return g.append("path").attr("d",path).attr("fill",fill).attr("stroke-width",strokeWidth).attr("shape-rendering",shapeRendering).attr("stroke",stroke).attr("stroke-linecap","square")};paths.background=function(_){background=_;return paths};paths.shapeRendering=function(_){shapeRendering=_;return paths};paths.heavier=function(_){if(!arguments.length){strokeWidth=strokeWidth*2}else{strokeWidth=_?strokeWidth*2*_:strokeWidth*2}return paths};paths.lighter=function(_){if(!arguments.length){strokeWidth=strokeWidth/2}else{strokeWidth=_?strokeWidth/(2*_):strokeWidth/2}return paths};paths.thinner=function(_){if(!arguments.length){size=size*2}else{size=_?size*2*_:size*2}return paths};paths.thicker=function(_){if(!arguments.length){size=size/2}else{size=_?size/(2*_):size/2}return paths};paths.d=function(_){d=_;return paths};paths.size=function(_){size=_;return paths};paths.stroke=function(_){stroke=_;return paths};paths.strokeWidth=function(_){strokeWidth=_;return paths};paths.id=function(_){if(!arguments.length){return id}else{id=_;return paths}};paths.url=function(){return"url(#"+paths.id()+")"};return paths}}}).call(this);