diff --git a/bower.json b/bower.json
index fb32fa88e4..2fa709e05f 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.6.471",
+  "version": "1.6.473",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index ff27808e31..3fd9e0ab6a 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -23,8 +23,8 @@
  }
 }(this, function (exports) {
  'use strict';
- var pdfjsVersion = '1.6.471';
- var pdfjsBuild = '1948a53';
+ var pdfjsVersion = '1.6.473';
+ var pdfjsBuild = 'a47fc2f';
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var pdfjsLibs = {};
  (function pdfjsWrapper() {
diff --git a/build/pdf.js b/build/pdf.js
index f7586efe52..4f30fe6071 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -23,8 +23,8 @@
  }
 }(this, function (exports) {
  'use strict';
- var pdfjsVersion = '1.6.471';
- var pdfjsBuild = '1948a53';
+ var pdfjsVersion = '1.6.473';
+ var pdfjsBuild = 'a47fc2f';
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var pdfjsLibs = {};
  (function pdfjsWrapper() {
diff --git a/build/pdf.min.js b/build/pdf.min.js
index 92b2804e32..895e003854 100644
--- a/build/pdf.min.js
+++ b/build/pdf.min.js
@@ -1,4 +1,4 @@
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a.clip:this.clip("nonzero");break;case a.eoClip:this.clip("evenodd");break;case a.paintSolidColorImageMask:this.paintSolidColorImageMask();break;case a.paintJpegXObject:this.paintJpegXObject(s[0],s[1],s[2]);break;case a.paintImageXObject:this.paintImageXObject(s[0]);break;case a.paintInlineImageXObject:this.paintInlineImageXObject(s[0]);break;case a.paintImageMaskXObject:this.paintImageMaskXObject(s[0]);break;case a.paintFormXObjectBegin:this.paintFormXObjectBegin(s[0],s[1]);break;case a.paintFormXObjectEnd:this.paintFormXObjectEnd();break;case a.closePath:this.closePath();break;case a.closeStroke:this.closeStroke();break;case a.closeFillStroke:this.closeFillStroke();break;case a.nextLine:this.nextLine();break;case a.transform:this.transform(s[0],s[1],s[2],s[3],s[4],s[5]);break;case a.constructPath:this.constructPath(s[0],s[1]);break;case a.endPath:this.endPath();break;case 92:this.group(t[n].items);break;default:l("Unimplemented operator "+i)}}},setWordSpacing:function(t){this.current.wordSpacing=t},setCharSpacing:function(t){this.current.charSpacing=t},nextLine:function(){this.moveText(0,this.current.leading)},setTextMatrix:function(t,n,i,r,a,s){var o=this.current;this.current.textMatrix=this.current.lineMatrix=[t,n,i,r,a,s],this.current.x=this.current.lineX=0,this.current.y=this.current.lineY=0,o.xcoords=[],o.tspan=document.createElementNS(g,"svg:tspan"),o.tspan.setAttributeNS(null,"font-family",o.fontFamily),o.tspan.setAttributeNS(null,"font-size",e(o.fontSize)+"px"),o.tspan.setAttributeNS(null,"y",e(-o.y)),o.txtElement=document.createElementNS(g,"svg:text"),o.txtElement.appendChild(o.tspan)},beginText:function(){this.current.x=this.current.lineX=0,this.current.y=this.current.lineY=0,this.current.textMatrix=i,this.current.lineMatrix=i,this.current.tspan=document.createElementNS(g,"svg:tspan"),this.current.txtElement=document.createElementNS(g,"svg:text"),this.current.txtgrp=document.createElementNS(g,"svg:g"),this.current.xcoords=[]},moveText:function(t,n){var i=this.current;this.current.x=this.current.lineX+=t,this.current.y=this.current.lineY+=n,i.xcoords=[],i.tspan=document.createElementNS(g,"svg:tspan"),i.tspan.setAttributeNS(null,"font-family",i.fontFamily),i.tspan.setAttributeNS(null,"font-size",e(i.fontSize)+"px"),i.tspan.setAttributeNS(null,"y",e(-i.y))},showText:function(t){var n=this.current,i=n.font,a=n.fontSize;if(0!==a){var s,c=n.charSpacing,l=n.wordSpacing,h=n.fontDirection,d=n.textHScale*h,f=t.length,p=i.vertical,g=a*n.fontMatrix[0],A=0;for(s=0;s<f;++s){var v=t[s];if(null!==v)if(o(v))A+=-v*a*.001;else{n.xcoords.push(n.x+A*d);var b=v.width,y=v.fontChar,x=b*g+c*h;A+=x,n.tspan.textContent+=y}else A+=h*l}p?n.y-=A*d:n.x+=A*d,n.tspan.setAttributeNS(null,"x",n.xcoords.map(e).join(" ")),n.tspan.setAttributeNS(null,"y",e(-n.y)),n.tspan.setAttributeNS(null,"font-family",n.fontFamily),n.tspan.setAttributeNS(null,"font-size",e(n.fontSize)+"px"),n.fontStyle!==u.fontStyle&&n.tspan.setAttributeNS(null,"font-style",n.fontStyle),n.fontWeight!==u.fontWeight&&n.tspan.setAttributeNS(null,"font-weight",n.fontWeight),n.fillColor!==u.fillColor&&n.tspan.setAttributeNS(null,"fill",n.fillColor),n.txtElement.setAttributeNS(null,"transform",r(n.textMatrix)+" scale(1, -1)"),n.txtElement.setAttributeNS(m,"xml:space","preserve"),n.txtElement.appendChild(n.tspan),n.txtgrp.appendChild(n.txtElement),this._ensureTransformGroup().appendChild(n.txtElement)}},setLeadingMoveText:function(t,e){this.setLeading(-e),this.moveText(t,e)},addFontStyle:function(t){this.cssStyle||(this.cssStyle=document.createElementNS(g,"svg:style"),this.cssStyle.setAttributeNS(null,"type","text/css"),this.defs.appendChild(this.cssStyle));var e=h(t.data,t.mimetype,this.forceDataSchema);this.cssStyle.textContent+='@font-face { font-family: "'+t.loadedName+'"; src: url('+e+"); }\n"},setFont:function(t){var i=this.current,r=this.commonObjs.get(t[0]),a=t[1];this.current.font=r,this.embedFonts&&r.data&&!this.embeddedFonts[r.loadedName]&&(this.addFontStyle(r),this.embeddedFonts[r.loadedName]=r),i.fontMatrix=r.fontMatrix?r.fontMatrix:n;var s=r.black?r.bold?"bolder":"bold":r.bold?"bold":"normal",o=r.italic?"italic":"normal";a<0?(a=-a,i.fontDirection=-1):i.fontDirection=1,i.fontSize=a,i.fontFamily=r.loadedName,i.fontWeight=s,i.fontStyle=o,i.tspan=document.createElementNS(g,"svg:tspan"),i.tspan.setAttributeNS(null,"y",e(-i.y)),i.xcoords=[]},endText:function(){},setLineWidth:function(t){this.current.lineWidth=t},setLineCap:function(t){this.current.lineCap=v[t]},setLineJoin:function(t){this.current.lineJoin=b[t]},setMiterLimit:function(t){this.current.miterLimit=t},setStrokeRGBColor:function(t,e,n){var i=s.makeCssRgb(t,e,n);this.current.strokeColor=i},setFillRGBColor:function(t,e,n){var i=s.makeCssRgb(t,e,n);this.current.fillColor=i,this.current.tspan=document.createElementNS(g,"svg:tspan"),this.current.xcoords=[]},setDash:function(t,e){this.current.dashArray=t,this.current.dashPhase=e},constructPath:function(t,n){var i=this.current,r=i.x,s=i.y;i.path=document.createElementNS(g,"svg:path");for(var o=[],c=t.length,l=0,h=0;l<c;l++)switch(0|t[l]){case a.rectangle:r=n[h++],s=n[h++];var u=n[h++],d=n[h++],f=r+u,p=s+d;o.push("M",e(r),e(s),"L",e(f),e(s),"L",e(f),e(p),"L",e(r),e(p),"Z");break;case a.moveTo:r=n[h++],s=n[h++],o.push("M",e(r),e(s));break;case a.lineTo:r=n[h++],s=n[h++],o.push("L",e(r),e(s));break;case a.curveTo:r=n[h+4],s=n[h+5],o.push("C",e(n[h]),e(n[h+1]),e(n[h+2]),e(n[h+3]),e(r),e(s)),h+=6;break;case a.curveTo2:r=n[h+2],s=n[h+3],o.push("C",e(r),e(s),e(n[h]),e(n[h+1]),e(n[h+2]),e(n[h+3])),h+=4;break;case a.curveTo3:r=n[h+2],s=n[h+3],o.push("C",e(n[h]),e(n[h+1]),e(r),e(s),e(r),e(s)),h+=4;break;case a.closePath:o.push("Z")}i.path.setAttributeNS(null,"d",o.join(" ")),i.path.setAttributeNS(null,"stroke-miterlimit",e(i.miterLimit)),i.path.setAttributeNS(null,"stroke-linecap",i.lineCap),i.path.setAttributeNS(null,"stroke-linejoin",i.lineJoin),i.path.setAttributeNS(null,"stroke-width",e(i.lineWidth)+"px"),i.path.setAttributeNS(null,"stroke-dasharray",i.dashArray.map(e).join(" ")),i.path.setAttributeNS(null,"stroke-dashoffset",e(i.dashPhase)+"px"),i.path.setAttributeNS(null,"fill","none"),this._ensureTransformGroup().appendChild(i.path),i.element=i.path,i.setCurrentPoint(r,s)},endPath:function(){},clip:function(t){var e=this.current,n="clippath"+y;y++;var i=document.createElementNS(g,"svg:clipPath");i.setAttributeNS(null,"id",n),i.setAttributeNS(null,"transform",r(this.transformMatrix));var a=e.element.cloneNode();"evenodd"===t?a.setAttributeNS(null,"clip-rule","evenodd"):a.setAttributeNS(null,"clip-rule","nonzero"),i.appendChild(a),this.defs.appendChild(i),e.activeClipUrl&&(e.clipGroup=null,this.extraStack.forEach(function(t){t.clipGroup=null})),e.activeClipUrl="url(#"+n+")",this.tgrp=null},closePath:function(){var t=this.current,e=t.path.getAttributeNS(null,"d");e+="Z",t.path.setAttributeNS(null,"d",e)},setLeading:function(t){this.current.leading=-t},setTextRise:function(t){this.current.textRise=t},setHScale:function(t){this.current.textHScale=t/100},setGState:function(t){for(var e=0,n=t.length;e<n;e++){var i=t[e],r=i[0],a=i[1];switch(r){case"LW":this.setLineWidth(a);break;case"LC":this.setLineCap(a);break;case"LJ":this.setLineJoin(a);break;case"ML":this.setMiterLimit(a);break;case"D":this.setDash(a[0],a[1]);break;case"Font":this.setFont(a);break;default:l("Unimplemented graphic state "+r)}}},fill:function(){var t=this.current;t.element.setAttributeNS(null,"fill",t.fillColor)},stroke:function(){var t=this.current;t.element.setAttributeNS(null,"stroke",t.strokeColor),t.element.setAttributeNS(null,"fill","none")},eoFill:function(){var t=this.current;t.element.setAttributeNS(null,"fill",t.fillColor),t.element.setAttributeNS(null,"fill-rule","evenodd")},fillStroke:function(){this.stroke(),this.fill()},eoFillStroke:function(){this.current.element.setAttributeNS(null,"fill-rule","evenodd"),this.fillStroke()},closeStroke:function(){this.closePath(),this.stroke()},closeFillStroke:function(){this.closePath(),this.fillStroke()},paintSolidColorImageMask:function(){var t=this.current,e=document.createElementNS(g,"svg:rect");e.setAttributeNS(null,"x","0"),e.setAttributeNS(null,"y","0"),e.setAttributeNS(null,"width","1px"),e.setAttributeNS(null,"height","1px"),e.setAttributeNS(null,"fill",t.fillColor),this._ensureTransformGroup().appendChild(e)},paintJpegXObject:function(t,n,i){var r=this.objs.get(t),a=document.createElementNS(g,"svg:image");a.setAttributeNS(A,"xlink:href",r.src),a.setAttributeNS(null,"width",r.width+"px"),a.setAttributeNS(null,"height",r.height+"px"),a.setAttributeNS(null,"x","0"),a.setAttributeNS(null,"y",e(-i)),a.setAttributeNS(null,"transform","scale("+e(1/n)+" "+e(-1/i)+")"),this._ensureTransformGroup().appendChild(a)},paintImageXObject:function(t){var e=this.objs.get(t);return e?void this.paintInlineImageXObject(e):void l("Dependent image isn't ready yet")},paintInlineImageXObject:function(t,n){var i=t.width,r=t.height,a=d(t,this.forceDataSchema),s=document.createElementNS(g,"svg:rect");s.setAttributeNS(null,"x","0"),s.setAttributeNS(null,"y","0"),s.setAttributeNS(null,"width",e(i)),s.setAttributeNS(null,"height",e(r)),this.current.element=s,this.clip("nonzero");var o=document.createElementNS(g,"svg:image");o.setAttributeNS(A,"xlink:href",a),o.setAttributeNS(null,"x","0"),o.setAttributeNS(null,"y",e(-r)),o.setAttributeNS(null,"width",e(i)+"px"),o.setAttributeNS(null,"height",e(r)+"px"),o.setAttributeNS(null,"transform","scale("+e(1/i)+" "+e(-1/r)+")"),n?n.appendChild(o):this._ensureTransformGroup().appendChild(o)},paintImageMaskXObject:function(t){var n=this.current,i=t.width,r=t.height,a=n.fillColor;n.maskId="mask"+x++;var s=document.createElementNS(g,"svg:mask");s.setAttributeNS(null,"id",n.maskId);var o=document.createElementNS(g,"svg:rect");o.setAttributeNS(null,"x","0"),o.setAttributeNS(null,"y","0"),o.setAttributeNS(null,"width",e(i)),o.setAttributeNS(null,"height",e(r)),o.setAttributeNS(null,"fill",a),o.setAttributeNS(null,"mask","url(#"+n.maskId+")"),this.defs.appendChild(s),this._ensureTransformGroup().appendChild(o),this.paintInlineImageXObject(t,s)},paintFormXObjectBegin:function(t,n){if(c(t)&&6===t.length&&this.transform(t[0],t[1],t[2],t[3],t[4],t[5]),c(n)&&4===n.length){var i=n[2]-n[0],r=n[3]-n[1],a=document.createElementNS(g,"svg:rect");a.setAttributeNS(null,"x",n[0]),a.setAttributeNS(null,"y",n[1]),a.setAttributeNS(null,"width",e(i)),a.setAttributeNS(null,"height",e(r)),this.current.element=a,this.clip("nonzero"),this.endPath()}},paintFormXObjectEnd:function(){},_initialize:function(t){var e=document.createElementNS(g,"svg:svg");e.setAttributeNS(null,"version","1.1"),e.setAttributeNS(null,"width",t.width+"px"),e.setAttributeNS(null,"height",t.height+"px"),e.setAttributeNS(null,"preserveAspectRatio","none"),e.setAttributeNS(null,"viewBox","0 0 "+t.width+" "+t.height);var n=document.createElementNS(g,"svg:defs");e.appendChild(n),this.defs=n;var i=document.createElementNS(g,"svg:g");return i.setAttributeNS(null,"transform",r(t.transform)),e.appendChild(i),this.svg=i,e},_ensureClipGroup:function(){if(!this.current.clipGroup){var t=document.createElementNS(g,"svg:g");t.setAttributeNS(null,"clip-path",this.current.activeClipUrl),this.svg.appendChild(t),this.current.clipGroup=t}return this.current.clipGroup},_ensureTransformGroup:function(){return this.tgrp||(this.tgrp=document.createElementNS(g,"svg:g"),this.tgrp.setAttributeNS(null,"transform",r(this.transformMatrix)),this.current.activeClipUrl?this._ensureClipGroup().appendChild(this.tgrp):this.svg.appendChild(this.tgrp)),this.tgrp}},p}();t.SVGGraphics=p}),function(t,e){e(t.pdfjsDisplayAnnotationLayer={},t.pdfjsSharedUtil,t.pdfjsDisplayDOMUtils)}(this,function(t,e,n){function i(){}var r=e.AnnotationBorderStyleType,a=e.AnnotationType,s=e.Util,o=n.addLinkAttributes,c=n.LinkTarget,l=n.getFilenameFromUrl,h=e.warn,u=n.CustomStyle,d=n.getDefaultSetting;i.prototype={create:function(t){var e=t.data.annotationType;switch(e){case a.LINK:return new p(t);case a.TEXT:return new g(t);case a.WIDGET:var n=t.data.fieldType;switch(n){case"Tx":return new A(t);case"Btn":if(t.data.radioButton)return new b(t);if(t.data.checkBox)return new v(t);h("Unimplemented button widget annotation: pushbutton");break;case"Ch":return new y(t)}return new m(t);case a.POPUP:return new x(t);case a.HIGHLIGHT:return new k(t);case a.UNDERLINE:return new _(t);case a.SQUIGGLY:return new C(t);case a.STRIKEOUT:return new w(t);case a.FILEATTACHMENT:return new T(t);default:return new f(t)}}};var f=function(){function t(t,e){this.isRenderable=e||!1,this.data=t.data,this.layer=t.layer,this.page=t.page,this.viewport=t.viewport,this.linkService=t.linkService,this.downloadManager=t.downloadManager,this.imageResourcesPath=t.imageResourcesPath,this.renderInteractiveForms=t.renderInteractiveForms,e&&(this.container=this._createContainer())}return t.prototype={_createContainer:function(){var t=this.data,e=this.page,n=this.viewport,i=document.createElement("section"),a=t.rect[2]-t.rect[0],o=t.rect[3]-t.rect[1];i.setAttribute("data-annotation-id",t.id);var c=s.normalizeRect([t.rect[0],e.view[3]-t.rect[1]+e.view[1],t.rect[2],e.view[3]-t.rect[3]+e.view[1]]);if(u.setProp("transform",i,"matrix("+n.transform.join(",")+")"),u.setProp("transformOrigin",i,-c[0]+"px "+-c[1]+"px"),t.borderStyle.width>0){i.style.borderWidth=t.borderStyle.width+"px",t.borderStyle.style!==r.UNDERLINE&&(a-=2*t.borderStyle.width,o-=2*t.borderStyle.width);var l=t.borderStyle.horizontalCornerRadius,d=t.borderStyle.verticalCornerRadius;if(l>0||d>0){var f=l+"px / "+d+"px";u.setProp("borderRadius",i,f)}switch(t.borderStyle.style){case r.SOLID:i.style.borderStyle="solid";break;case r.DASHED:i.style.borderStyle="dashed";break;case r.BEVELED:h("Unimplemented border style: beveled");break;case r.INSET:h("Unimplemented border style: inset");break;case r.UNDERLINE:i.style.borderBottomStyle="solid"}t.color?i.style.borderColor=s.makeCssRgb(0|t.color[0],0|t.color[1],0|t.color[2]):i.style.borderWidth=0}return i.style.left=c[0]+"px",i.style.top=c[1]+"px",i.style.width=a+"px",i.style.height=o+"px",i},_createPopup:function(t,e,n){e||(e=document.createElement("div"),e.style.height=t.style.height,e.style.width=t.style.width,t.appendChild(e));var i=new S({container:t,trigger:e,color:n.color,title:n.title,contents:n.contents,hideWrapper:!0}),r=i.render();r.style.left=t.style.width,t.appendChild(r)},render:function(){throw new Error("Abstract method AnnotationElement.render called")}},t}(),p=function(){function t(t){f.call(this,t,!0)}return s.inherit(t,f,{render:function(){this.container.className="linkAnnotation";var t=document.createElement("a");return o(t,{url:this.data.url,target:this.data.newWindow?c.BLANK:void 0}),this.data.url||(this.data.action?this._bindNamedAction(t,this.data.action):this._bindLink(t,this.data.dest)),this.container.appendChild(t),this.container},_bindLink:function(t,e){var n=this;t.href=this.linkService.getDestinationHash(e),t.onclick=function(){return e&&n.linkService.navigateTo(e),!1},e&&(t.className="internalLink")},_bindNamedAction:function(t,e){var n=this;t.href=this.linkService.getAnchorUrl(""),t.onclick=function(){return n.linkService.executeNamedAction(e),!1},t.className="internalLink"}}),t}(),g=function(){function t(t){var e=!!(t.data.hasPopup||t.data.title||t.data.contents);f.call(this,t,e)}return s.inherit(t,f,{render:function(){this.container.className="textAnnotation";var t=document.createElement("img");return t.style.height=this.container.style.height,t.style.width=this.container.style.width,t.src=this.imageResourcesPath+"annotation-"+this.data.name.toLowerCase()+".svg",t.alt="[{{type}} Annotation]",t.dataset.l10nId="text_annotation_type",t.dataset.l10nArgs=JSON.stringify({type:this.data.name}),this.data.hasPopup||this._createPopup(this.container,t,this.data),this.container.appendChild(t),this.container}}),t}(),m=function(){function t(t,e){f.call(this,t,e)}return s.inherit(t,f,{render:function(){return this.container}}),t}(),A=function(){function t(t){var e=t.renderInteractiveForms||!t.data.hasAppearance&&!!t.data.fieldValue;m.call(this,t,e)}var e=["left","center","right"];return s.inherit(t,m,{render:function(){this.container.className="textWidgetAnnotation";var t=null;if(this.renderInteractiveForms){if(this.data.multiLine?(t=document.createElement("textarea"),t.textContent=this.data.fieldValue):(t=document.createElement("input"),t.type="text",t.setAttribute("value",this.data.fieldValue)),t.disabled=this.data.readOnly,null!==this.data.maxLen&&(t.maxLength=this.data.maxLen),this.data.comb){var n=this.data.rect[2]-this.data.rect[0],i=n/this.data.maxLen;t.classList.add("comb"),t.style.letterSpacing="calc("+i+"px - 1ch)"}}else{t=document.createElement("div"),t.textContent=this.data.fieldValue,t.style.verticalAlign="middle",t.style.display="table-cell";var r=null;this.data.fontRefName&&(r=this.page.commonObjs.getData(this.data.fontRefName)),this._setTextStyle(t,r)}return null!==this.data.textAlignment&&(t.style.textAlign=e[this.data.textAlignment]),this.container.appendChild(t),this.container},_setTextStyle:function(t,e){var n=t.style;if(n.fontSize=this.data.fontSize+"px",n.direction=this.data.fontDirection<0?"rtl":"ltr",e){n.fontWeight=e.black?e.bold?"900":"bold":e.bold?"bold":"normal",n.fontStyle=e.italic?"italic":"normal";var i=e.loadedName?'"'+e.loadedName+'", ':"",r=e.fallbackName||"Helvetica, sans-serif";n.fontFamily=i+r}}}),t}(),v=function(){function t(t){m.call(this,t,t.renderInteractiveForms)}return s.inherit(t,m,{render:function(){this.container.className="buttonWidgetAnnotation checkBox";var t=document.createElement("input");return t.disabled=this.data.readOnly,t.type="checkbox",this.data.fieldValue&&"Off"!==this.data.fieldValue&&t.setAttribute("checked",!0),
 this.container.appendChild(t),this.container}}),t}(),b=function(){function t(t){m.call(this,t,t.renderInteractiveForms)}return s.inherit(t,m,{render:function(){this.container.className="buttonWidgetAnnotation radioButton";var t=document.createElement("input");return t.disabled=this.data.readOnly,t.type="radio",t.name=this.data.fieldName,this.data.fieldValue===this.data.buttonValue&&t.setAttribute("checked",!0),this.container.appendChild(t),this.container}}),t}(),y=function(){function t(t){m.call(this,t,t.renderInteractiveForms)}return s.inherit(t,m,{render:function(){this.container.className="choiceWidgetAnnotation";var t=document.createElement("select");t.disabled=this.data.readOnly,this.data.combo||(t.size=this.data.options.length,this.data.multiSelect&&(t.multiple=!0));for(var e=0,n=this.data.options.length;e<n;e++){var i=this.data.options[e],r=document.createElement("option");r.textContent=i.displayValue,r.value=i.exportValue,this.data.fieldValue.indexOf(i.displayValue)>=0&&r.setAttribute("selected",!0),t.appendChild(r)}return this.container.appendChild(t),this.container}}),t}(),x=function(){function t(t){var e=!(!t.data.title&&!t.data.contents);f.call(this,t,e)}return s.inherit(t,f,{render:function(){this.container.className="popupAnnotation";var t='[data-annotation-id="'+this.data.parentId+'"]',e=this.layer.querySelector(t);if(!e)return this.container;var n=new S({container:this.container,trigger:e,color:this.data.color,title:this.data.title,contents:this.data.contents}),i=parseFloat(e.style.left),r=parseFloat(e.style.width);return u.setProp("transformOrigin",this.container,-(i+r)+"px -"+e.style.top),this.container.style.left=i+r+"px",this.container.appendChild(n.render()),this.container}}),t}(),S=function(){function t(t){this.container=t.container,this.trigger=t.trigger,this.color=t.color,this.title=t.title,this.contents=t.contents,this.hideWrapper=t.hideWrapper||!1,this.pinned=!1}var e=.7;return t.prototype={render:function(){var t=document.createElement("div");t.className="popupWrapper",this.hideElement=this.hideWrapper?t:this.container,this.hideElement.setAttribute("hidden",!0);var n=document.createElement("div");n.className="popup";var i=this.color;if(i){var r=e*(255-i[0])+i[0],a=e*(255-i[1])+i[1],o=e*(255-i[2])+i[2];n.style.backgroundColor=s.makeCssRgb(0|r,0|a,0|o)}var c=this._formatContents(this.contents),l=document.createElement("h1");return l.textContent=this.title,this.trigger.addEventListener("click",this._toggle.bind(this)),this.trigger.addEventListener("mouseover",this._show.bind(this,!1)),this.trigger.addEventListener("mouseout",this._hide.bind(this,!1)),n.addEventListener("click",this._hide.bind(this,!0)),n.appendChild(l),n.appendChild(c),t.appendChild(n),t},_formatContents:function(t){for(var e=document.createElement("p"),n=t.split(/(?:\r\n?|\n)/),i=0,r=n.length;i<r;++i){var a=n[i];e.appendChild(document.createTextNode(a)),i<r-1&&e.appendChild(document.createElement("br"))}return e},_toggle:function(){this.pinned?this._hide(!0):this._show(!0)},_show:function(t){t&&(this.pinned=!0),this.hideElement.hasAttribute("hidden")&&(this.hideElement.removeAttribute("hidden"),this.container.style.zIndex+=1)},_hide:function(t){t&&(this.pinned=!1),this.hideElement.hasAttribute("hidden")||this.pinned||(this.hideElement.setAttribute("hidden",!0),this.container.style.zIndex-=1)}},t}(),k=function(){function t(t){var e=!!(t.data.hasPopup||t.data.title||t.data.contents);f.call(this,t,e)}return s.inherit(t,f,{render:function(){return this.container.className="highlightAnnotation",this.data.hasPopup||this._createPopup(this.container,null,this.data),this.container}}),t}(),_=function(){function t(t){var e=!!(t.data.hasPopup||t.data.title||t.data.contents);f.call(this,t,e)}return s.inherit(t,f,{render:function(){return this.container.className="underlineAnnotation",this.data.hasPopup||this._createPopup(this.container,null,this.data),this.container}}),t}(),C=function(){function t(t){var e=!!(t.data.hasPopup||t.data.title||t.data.contents);f.call(this,t,e)}return s.inherit(t,f,{render:function(){return this.container.className="squigglyAnnotation",this.data.hasPopup||this._createPopup(this.container,null,this.data),this.container}}),t}(),w=function(){function t(t){var e=!!(t.data.hasPopup||t.data.title||t.data.contents);f.call(this,t,e)}return s.inherit(t,f,{render:function(){return this.container.className="strikeoutAnnotation",this.data.hasPopup||this._createPopup(this.container,null,this.data),this.container}}),t}(),T=function(){function t(t){f.call(this,t,!0),this.filename=l(t.data.file.filename),this.content=t.data.file.content}return s.inherit(t,f,{render:function(){this.container.className="fileAttachmentAnnotation";var t=document.createElement("div");return t.style.height=this.container.style.height,t.style.width=this.container.style.width,t.addEventListener("dblclick",this._download.bind(this)),this.data.hasPopup||!this.data.title&&!this.data.contents||this._createPopup(this.container,t,this.data),this.container.appendChild(t),this.container},_download:function(){return this.downloadManager?void this.downloadManager.downloadData(this.content,this.filename,""):void h("Download cannot be started due to unavailable download manager")}}),t}(),L=function(){return{render:function(t){for(var e=new i,n=0,r=t.annotations.length;n<r;n++){var 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v,b,y=(h.vertical?n.height:n.width)*e._viewport.scale,x=u;0!==l?(v=[m,A,-A,m,f,g],b=i.getAxialAlignedBoundingBox([0,0,y,x],v)):b=[f,g,f+y,g+x],e._bounds.push({left:b[0],top:b[1],right:b[2],bottom:b[3],div:a,size:[y,x],m:v})}}function n(t){if(!t._canceled){var e=t._container,n=t._textDivs,i=t._capability,r=n.length;if(r>d)return t._renderingDone=!0,void i.resolve();var s=document.createElement("canvas");s.mozOpaque=!0;for(var o,c,l=s.getContext("2d",{alpha:!1}),h=0;h<r;h++){var u=n[h],f=t._textDivProperties.get(u);if(!f.isWhitespace){var p=u.style.fontSize,g=u.style.fontFamily;p===o&&g===c||(l.font=p+" "+g,o=p,c=g);var m=l.measureText(u.textContent).width;e.appendChild(u);var A="";0!==f.canvasWidth&&m>0&&(f.scale=f.canvasWidth/m,A="scaleX("+f.scale+")"),0!==f.angle&&(A="rotate("+f.angle+"deg) "+A),""!==A&&(f.originalTransform=A,a.setProp("transform",u,A)),t._textDivProperties.set(u,f)}}t._renderingDone=!0,i.resolve()}}function o(t){for(var 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n={x1:-(1/0),y1:-(1/0),x2:0,y2:1/0,index:-1,x1New:0,x2New:0},i=[{start:-(1/0),end:1/0,boundary:n}];e.forEach(function(t){for(var e=0;e<i.length&&i[e].end<=t.y1;)e++;for(var n=i.length-1;n>=0&&i[n].start>=t.y2;)n--;var r,a,s,o,c=-(1/0);for(s=e;s<=n;s++){r=i[s],a=r.boundary;var l;l=a.x2>t.x1?a.index>t.index?a.x1New:t.x1:void 0===a.x2New?(a.x2+t.x1)/2:a.x2New,l>c&&(c=l)}for(t.x1New=c,s=e;s<=n;s++)r=i[s],a=r.boundary,void 0===a.x2New?a.x2>t.x1?a.index>t.index&&(a.x2New=a.x2):a.x2New=c:a.x2New>c&&(a.x2New=Math.max(c,a.x2));var h=[],u=null;for(s=e;s<=n;s++){r=i[s],a=r.boundary;var d=a.x2>t.x2?a:t;u===d?h[h.length-1].end=r.end:(h.push({start:r.start,end:r.end,boundary:d}),u=d)}for(i[e].start<t.y1&&(h[0].start=t.y1,h.unshift({start:i[e].start,end:t.y1,boundary:i[e].boundary})),t.y2<i[n].end&&(h[h.length-1].end=t.y2,h.push({start:t.y2,end:i[n].end,boundary:i[n].boundary})),s=e;s<=n;s++)if(r=i[s],a=r.boundary,void 0===a.x2New){var 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C=_*k+1,w=1;w<k;w++,C++)f[A]=g[x[C-k-1]],f[A+1]=g[x[C-k-1]+1],f[A+2]=g[x[C-k]],f[A+3]=g[x[C-k]+1],f[A+4]=g[x[C-1]],f[A+5]=g[x[C-1]+1],p[v]=m[S[C-k-1]],p[v+1]=m[S[C-k-1]+1],p[v+2]=m[S[C-k-1]+2],p[v+3]=m[S[C-k]],p[v+4]=m[S[C-k]+1],p[v+5]=m[S[C-k]+2],p[v+6]=m[S[C-1]],p[v+7]=m[S[C-1]+1],p[v+8]=m[S[C-1]+2],f[A+6]=f[A+2],f[A+7]=f[A+3],f[A+8]=f[A+4],f[A+9]=f[A+5],f[A+10]=g[x[C]],f[A+11]=g[x[C]+1],p[v+9]=p[v+3],p[v+10]=p[v+4],p[v+11]=p[v+5],p[v+12]=p[v+6],p[v+13]=p[v+7],p[v+14]=p[v+8],p[v+15]=m[S[C]],p[v+16]=m[S[C]+1],p[v+17]=m[S[C]+2],A+=12,v+=18;break;case"triangles":for(var T=0,L=x.length;T<L;T++)f[A]=g[x[T]],f[A+1]=g[x[T]+1],p[v]=m[S[T]],p[v+1]=m[S[T]+1],p[v+2]=m[S[T]+2],A+=2,v+=3}}n?o.clearColor(n[0]/255,n[1]/255,n[2]/255,1):o.clearColor(0,0,0,0),o.clear(o.COLOR_BUFFER_BIT);var P=o.createBuffer();o.bindBuffer(o.ARRAY_BUFFER,P),o.bufferData(o.ARRAY_BUFFER,f,o.STATIC_DRAW),o.enableVertexAttribArray(a.positionLocation),o.vertexAttribPointer(a.positionLocation,2,o.FLOAT,!1,0,0);var 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 vec4 imageColor = texture2D(u_image, v_texCoord);               vec4 maskColor = texture2D(u_mask, v_texCoord);                 if (u_backdrop.a > 0.0) {                                         maskColor.rgb = maskColor.rgb * maskColor.a +                                   u_backdrop.rgb * (1.0 - maskColor.a);         }                                                               float lum;                                                      if (u_subtype == 0) {                                             lum = maskColor.a;                                            } else {                                                          lum = maskColor.r * 0.3 + maskColor.g * 0.59 +                        maskColor.b * 0.11;                                     }                                                               imageColor.a *= lum;                                            imageColor.rgb *= imageColor.a;                                 gl_FragColor = imageColor;                                    }                                                             ",A=null,v="  attribute vec2 a_position;                                      attribute vec3 a_color;                                                                                                         uniform vec2 u_resolution;                                      uniform vec2 u_scale;                                           uniform vec2 u_offset;                                                                                                          varying vec4 v_color;                                                                                                           void main() {                                                     vec2 position = (a_position + u_offset) * u_scale;              vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;         gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);                                                                              v_color = vec4(a_color / 255.0, 1.0);                         }                                                             ",b="  precision mediump float;                                                                                                        varying vec4 v_color;                                                                                                           void main() {                                                     gl_FragColor = v_color;                                       }                                                             ",y=null;return{get isEnabled(){if(r("disableWebGL"))return!1;var t=!1;try{o(),t=!!f}catch(t){}return i(this,"isEnabled",t)},composeSMask:l,drawFigures:u,clear:d}}();t.WebGLUtils=a}),function(t,e){e(t.pdfjsDisplayPatternHelper={},t.pdfjsSharedUtil,t.pdfjsDisplayWebGL)}(this,function(t,e,n){function i(t){var e=l[t[0]];return e||o("Unknown IR type: "+t[0]),e.fromIR(t)}var r=e.Util,a=e.info,s=e.isArray,o=e.error,c=n.WebGLUtils,l={};l.RadialAxial={fromIR:function(t){var e=t[1],n=t[2],i=t[3],r=t[4],a=t[5],s=t[6];return{type:"Pattern",getPattern:function(t){var o;"axial"===e?o=t.createLinearGradient(i[0],i[1],r[0],r[1]):"radial"===e&&(o=t.createRadialGradient(i[0],i[1],a,r[0],r[1],s));for(var c=0,l=n.length;c<l;++c){var h=n[c];o.addColorStop(h[0],h[1])}return o}}}};var h=function(){function t(t,e,n,i,r,a,s,o){var c,l=e.coords,h=e.colors,u=t.data,d=4*t.width;l[n+1]>l[i+1]&&(c=n,n=i,i=c,c=a,a=s,s=c),l[i+1]>l[r+1]&&(c=i,i=r,r=c,c=s,s=o,o=c),l[n+1]>l[i+1]&&(c=n,n=i,i=c,c=a,a=s,s=c);var f=(l[n]+e.offsetX)*e.scaleX,p=(l[n+1]+e.offsetY)*e.scaleY,g=(l[i]+e.offsetX)*e.scaleX,m=(l[i+1]+e.offsetY)*e.scaleY,A=(l[r]+e.offsetX)*e.scaleX,v=(l[r+1]+e.offsetY)*e.scaleY;if(!(p>=v))for(var b,y,x,S,k,_,C,w,T,L=h[a],P=h[a+1],E=h[a+2],R=h[s],I=h[s+1],D=h[s+2],j=h[o],O=h[o+1],F=h[o+2],M=Math.round(p),N=Math.round(v),U=M;U<=N;U++){U<m?(T=U<p?0:p===m?1:(p-U)/(p-m),b=f-(f-g)*T,y=L-(L-R)*T,x=P-(P-I)*T,S=E-(E-D)*T):(T=U>v?1:m===v?0:(m-U)/(m-v),b=g-(g-A)*T,y=R-(R-j)*T,x=I-(I-O)*T,S=D-(D-F)*T),T=U<p?0:U>v?1:(p-U)/(p-v),k=f-(f-A)*T,_=L-(L-j)*T,C=P-(P-O)*T,w=E-(E-F)*T;for(var B=Math.round(Math.min(b,k)),W=Math.round(Math.max(b,k)),G=d*U+4*B,X=B;X<=W;X++)T=(b-X)/(b-k),T=T<0?0:T>1?1:T,u[G++]=y-(y-_)*T|0,u[G++]=x-(x-C)*T|0,u[G++]=S-(S-w)*T|0,u[G++]=255}}function e(e,n,i){var r,a,s=n.coords,c=n.colors;switch(n.type){case"lattice":var l=n.verticesPerRow,h=Math.floor(s.length/l)-1,u=l-1;for(r=0;r<h;r++)for(var d=r*l,f=0;f<u;f++,d++)t(e,i,s[d],s[d+1],s[d+l],c[d],c[d+1],c[d+l]),t(e,i,s[d+l+1],s[d+1],s[d+l],c[d+l+1],c[d+1],c[d+l]);break;case"triangles":for(r=0,a=s.length;r<a;r+=3)t(e,i,s[r],s[r+1],s[r+2],c[r],c[r+1],c[r+2]);break;default:o("illigal figure")}}function n(t,n,i,r,a,s,o){var l,h,u,d,f=1.1,p=3e3,g=2,m=Math.floor(t[0]),A=Math.floor(t[1]),v=Math.ceil(t[2])-m,b=Math.ceil(t[3])-A,y=Math.min(Math.ceil(Math.abs(v*n[0]*f)),p),x=Math.min(Math.ceil(Math.abs(b*n[1]*f)),p),S=v/y,k=b/x,_={coords:i,colors:r,offsetX:-m,offsetY:-A,scaleX:1/S,scaleY:1/k},C=y+2*g,w=x+2*g;if(c.isEnabled)l=c.drawFigures(y,x,s,a,_),h=o.getCanvas("mesh",C,w,!1),h.context.drawImage(l,g,g),l=h.canvas;else{h=o.getCanvas("mesh",C,w,!1);var T=h.context,L=T.createImageData(y,x);if(s){var P=L.data;for(u=0,d=P.length;u<d;u+=4)P[u]=s[0],P[u+1]=s[1],P[u+2]=s[2],P[u+3]=255}for(u=0;u<a.length;u++)e(L,a[u],_);T.putImageData(L,g,g),l=h.canvas}return{canvas:l,offsetX:m-g*S,offsetY:A-g*k,scaleX:S,scaleY:k}}return n}();l.Mesh={fromIR:function(t){var e=t[2],n=t[3],i=t[4],a=t[5],s=t[6],o=t[8];return{type:"Pattern",getPattern:function(t,c,l){var u;if(l)u=r.singularValueDecompose2dScale(t.mozCurrentTransform);else if(u=r.singularValueDecompose2dScale(c.baseTransform),s){var d=r.singularValueDecompose2dScale(s);u=[u[0]*d[0],u[1]*d[1]]}var f=h(a,u,e,n,i,l?null:o,c.cachedCanvases);return l||(t.setTransform.apply(t,c.baseTransform),s&&t.transform.apply(t,s)),t.translate(f.offsetX,f.offsetY),t.scale(f.scaleX,f.scaleY),t.createPattern(f.canvas,"no-repeat")}}}},l.Dummy={fromIR:function(){return{type:"Pattern",getPattern:function(){return"hotpink"}}}};var u=function(){function t(t,e,n,i,r){this.operatorList=t[2],this.matrix=t[3]||[1,0,0,1,0,0],this.bbox=t[4],this.xstep=t[5],this.ystep=t[6],this.paintType=t[7],this.tilingType=t[8],this.color=e,this.canvasGraphicsFactory=i,this.baseTransform=r,this.type="Pattern",this.ctx=n}var e={COLORED:1,UNCOLORED:2},n=3e3;return t.prototype={createPatternCanvas:function(t){var e=this.operatorList,i=this.bbox,s=this.xstep,o=this.ystep,c=this.paintType,l=this.tilingType,h=this.color,u=this.canvasGraphicsFactory;a("TilingType: "+l);var d=i[0],f=i[1],p=i[2],g=i[3],m=[d,f],A=[d+s,f+o],v=A[0]-m[0],b=A[1]-m[1],y=r.singularValueDecompose2dScale(this.matrix),x=r.singularValueDecompose2dScale(this.baseTransform),S=[y[0]*x[0],y[1]*x[1]];v=Math.min(Math.ceil(Math.abs(v*S[0])),n),b=Math.min(Math.ceil(Math.abs(b*S[1])),n);var k=t.cachedCanvases.getCanvas("pattern",v,b,!0),_=k.context,C=u.createCanvasGraphics(_);C.groupLevel=t.groupLevel,this.setFillAndStrokeStyleToContext(_,c,h),this.setScale(v,b,s,o),this.transformToScale(C);var w=[1,0,0,1,-m[0],-m[1]];return C.transform.apply(C,w),this.clipBbox(C,i,d,f,p,g),C.executeOperatorList(e),k.canvas},setScale:function(t,e,n,i){this.scale=[t/n,e/i]},transformToScale:function(t){var e=this.scale,n=[e[0],0,0,e[1],0,0];t.transform.apply(t,n)},scaleToContext:function(){var t=this.scale;this.ctx.scale(1/t[0],1/t[1])},clipBbox:function(t,e,n,i,r,a){if(e&&s(e)&&4===e.length){var o=r-n,c=a-i;t.ctx.rect(n,i,o,c),t.clip(),t.endPath()}},setFillAndStrokeStyleToContext:function(t,n,i){switch(n){case e.COLORED:var a=this.ctx;t.fillStyle=a.fillStyle,t.strokeStyle=a.strokeStyle;break;case e.UNCOLORED:var s=r.makeCssRgb(i[0],i[1],i[2]);t.fillStyle=s,t.strokeStyle=s;break;default:o("Unsupported paint type: "+n)}},getPattern:function(t,e){var n=this.createPatternCanvas(e);return t=this.ctx,t.setTransform.apply(t,this.baseTransform),t.transform.apply(t,this.matrix),this.scaleToContext(),t.createPattern(n,"repeat")}},t}();t.getShadingPatternFromIR=i,t.TilingPattern=u}),function(t,e){e(t.pdfjsDisplayCanvas={},t.pdfjsSharedUtil,t.pdfjsDisplayDOMUtils,t.pdfjsDisplayPatternHelper,t.pdfjsDisplayWebGL)}(this,function(t,e,n,i,r){function a(t,e){var n=document.createElement("canvas");return n.width=t,n.height=e,n}function s(t){t.mozCurrentTransform||(t._originalSave=t.save,t._originalRestore=t.restore,t._originalRotate=t.rotate,t._originalScale=t.scale,t._originalTranslate=t.translate,t._originalTransform=t.transform,t._originalSetTransform=t.setTransform,t._transformMatrix=t._transformMatrix||[1,0,0,1,0,0],t._transformStack=[],Object.defineProperty(t,"mozCurrentTransform",{get:function(){return this._transformMatrix}}),Object.defineProperty(t,"mozCurrentTransformInverse",{get:function(){var t=this._transformMatrix,e=t[0],n=t[1],i=t[2],r=t[3],a=t[4],s=t[5],o=e*r-n*i,c=n*i-e*r;return[r/o,n/c,i/c,e/o,(r*a-i*s)/c,(n*a-e*s)/o]}}),t.save=function(){var t=this._transformMatrix;this._transformStack.push(t),this._transformMatrix=t.slice(0,6),this._originalSave()},t.restore=function(){var t=this._transformStack.pop();t&&(this._transformMatrix=t,this._originalRestore())},t.translate=function(t,e){var n=this._transformMatrix;n[4]=n[0]*t+n[2]*e+n[4],n[5]=n[1]*t+n[3]*e+n[5],this._originalTranslate(t,e)},t.scale=function(t,e){var n=this._transformMatrix;n[0]=n[0]*t,n[1]=n[1]*t,n[2]=n[2]*e,n[3]=n[3]*e,this._originalScale(t,e)},t.transform=function(e,n,i,r,a,s){var o=this._transformMatrix;this._transformMatrix=[o[0]*e+o[2]*n,o[1]*e+o[3]*n,o[0]*i+o[2]*r,o[1]*i+o[3]*r,o[0]*a+o[2]*s+o[4],o[1]*a+o[3]*s+o[5]],t._originalTransform(e,n,i,r,a,s)},t.setTransform=function(e,n,i,r,a,s){this._transformMatrix=[e,n,i,r,a,s],t._originalSetTransform(e,n,i,r,a,s)},t.rotate=function(t){var e=Math.cos(t),n=Math.sin(t),i=this._transformMatrix;this._transformMatrix=[i[0]*e+i[2]*n,i[1]*e+i[3]*n,i[0]*-n+i[2]*e,i[1]*-n+i[3]*e,i[4],i[5]],this._originalRotate(t)})}function o(t){var e,n,i,r,a=1e3,s=t.width,o=t.height,c=s+1,l=new Uint8Array(c*(o+1)),h=new Uint8Array([0,2,4,0,1,0,5,4,8,10,0,8,0,2,1,0]),u=s+7&-8,d=t.data,f=new Uint8Array(u*o),p=0;for(e=0,r=d.length;e<r;e++)for(var g=128,m=d[e];g>0;)f[p++]=m&g?0:255,g>>=1;var A=0;for(p=0,0!==f[p]&&(l[0]=1,++A),n=1;n<s;n++)f[p]!==f[p+1]&&(l[n]=f[p]?2:1,++A),p++;for(0!==f[p]&&(l[n]=2,++A),e=1;e<o;e++){p=e*u,i=e*c,f[p-u]!==f[p]&&(l[i]=f[p]?1:8,++A);var v=(f[p]?4:0)+(f[p-u]?8:0);for(n=1;n<s;n++)v=(v>>2)+(f[p+1]?4:0)+(f[p-u+1]?8:0),h[v]&&(l[i+n]=h[v],++A),p++;if(f[p-u]!==f[p]&&(l[i+n]=f[p]?2:4,++A),A>a)return null}for(p=u*(o-1),i=e*c,0!==f[p]&&(l[i]=8,++A),n=1;n<s;n++)f[p]!==f[p+1]&&(l[i+n]=f[p]?4:8,++A),p++;if(0!==f[p]&&(l[i+n]=4,++A),A>a)return null;var b=new Int32Array([0,c,-1,0,-c,0,0,0,1]),y=[];for(e=0;A&&e<=o;e++){for(var x=e*c,S=x+s;x<S&&!l[x];)x++;if(x!==S){var k,_=[x%c,e],C=l[x],w=x;do{var T=b[C];do x+=T;while(!l[x]);k=l[x],5!==k&&10!==k?(C=k,l[x]=0):(C=k&51*C>>4,l[x]&=C>>2|C<<2),_.push(x%c),_.push(x/c|0),--A}while(w!==x);y.push(_),--e}}var L=function(t){t.save(),t.scale(1/s,-1/o),t.translate(0,-o),t.beginPath();for(var e=0,n=y.length;e<n;e++){var i=y[e];t.moveTo(i[0],i[1]);for(var r=2,a=i.length;r<a;r+=2)t.lineTo(i[r],i[r+1])}t.fill(),t.beginPath(),t.restore()};return L}var c=e.FONT_IDENTITY_MATRIX,l=e.IDENTITY_MATRIX,h=e.ImageKind,u=e.OPS,d=e.TextRenderingMode,f=e.Uint32ArrayView,p=e.Util,g=e.assert,m=e.info,A=e.isNum,v=e.isArray,b=e.isLittleEndian,y=e.error,x=e.shadow,S=e.warn,k=i.TilingPattern,_=i.getShadingPatternFromIR,C=r.WebGLUtils,w=n.hasCanvasTypedArrays,T=16,L=100,P=4096,E=.65,R=!0,I=1e3,D=16,j={get value(){return x(j,"value",w())}},O={get value(){return x(O,"value",b())}},F=function(){function t(){this.cache=Object.create(null)}return t.prototype={getCanvas:function(t,e,n,i){var r;if(void 0!==this.cache[t])r=this.cache[t],r.canvas.width=e,r.canvas.height=n,r.context.setTransform(1,0,0,1,0,0);else{var o=a(e,n),c=o.getContext("2d");i&&s(c),this.cache[t]=r={canvas:o,context:c}}return r},clear:function(){for(var t in this.cache){var e=this.cache[t];e.canvas.width=0,e.canvas.height=0,delete this.cache[t]}}},t}(),M=function(){function t(t){this.alphaIsShape=!1,this.fontSize=0,this.fontSizeScale=1,this.textMatrix=l,this.textMatrixScale=1,this.fontMatrix=c,
 this.leading=0,this.x=0,this.y=0,this.lineX=0,this.lineY=0,this.charSpacing=0,this.wordSpacing=0,this.textHScale=1,this.textRenderingMode=d.FILL,this.textRise=0,this.fillColor="#000000",this.strokeColor="#000000",this.patternFill=!1,this.fillAlpha=1,this.strokeAlpha=1,this.lineWidth=1,this.activeSMask=null,this.resumeSMaskCtx=null,this.old=t}return t.prototype={clone:function(){return Object.create(this)},setCurrentPoint:function(t,e){this.x=t,this.y=e}},t}(),N=function(){function t(t,e,n,i){this.ctx=t,this.current=new M,this.stateStack=[],this.pendingClip=null,this.pendingEOFill=!1,this.res=null,this.xobjs=null,this.commonObjs=e,this.objs=n,this.imageLayer=i,this.groupStack=[],this.processingType3=null,this.baseTransform=null,this.baseTransformStack=[],this.groupLevel=0,this.smaskStack=[],this.smaskCounter=0,this.tempSMask=null,this.cachedCanvases=new F,t&&s(t),this.cachedGetSinglePixelWidth=null}function e(t,e){if("undefined"!=typeof ImageData&&e instanceof ImageData)return void t.putImageData(e,0,0);var n,i,r,a,s,o=e.height,c=e.width,l=o%D,u=(o-l)/D,d=0===l?u:u+1,p=t.createImageData(c,D),g=0,m=e.data,A=p.data;if(e.kind===h.GRAYSCALE_1BPP){var v=m.byteLength,b=j.value?new Uint32Array(A.buffer):new f(A),x=b.length,S=c+7>>3,k=4294967295,_=O.value||!j.value?4278190080:255;for(i=0;i<d;i++){for(a=i<u?D:l,n=0,r=0;r<a;r++){for(var C=v-g,w=0,T=C>S?c:8*C-7,L=T&-8,P=0,E=0;w<L;w+=8)E=m[g++],b[n++]=128&E?k:_,b[n++]=64&E?k:_,b[n++]=32&E?k:_,b[n++]=16&E?k:_,b[n++]=8&E?k:_,b[n++]=4&E?k:_,b[n++]=2&E?k:_,b[n++]=1&E?k:_;for(;w<T;w++)0===P&&(E=m[g++],P=128),b[n++]=E&P?k:_,P>>=1}for(;n<x;)b[n++]=0;t.putImageData(p,0,i*D)}}else if(e.kind===h.RGBA_32BPP){for(r=0,s=c*D*4,i=0;i<u;i++)A.set(m.subarray(g,g+s)),g+=s,t.putImageData(p,0,r),r+=D;i<d&&(s=c*l*4,A.set(m.subarray(g,g+s)),t.putImageData(p,0,r))}else if(e.kind===h.RGB_24BPP)for(a=D,s=c*a,i=0;i<d;i++){for(i>=u&&(a=l,s=c*a),n=0,r=s;r--;)A[n++]=m[g++],A[n++]=m[g++],A[n++]=m[g++],A[n++]=255;t.putImageData(p,0,i*D)}else y("bad image kind: "+e.kind)}function n(t,e){for(var n=e.height,i=e.width,r=n%D,a=(n-r)/D,s=0===r?a:a+1,o=t.createImageData(i,D),c=0,l=e.data,h=o.data,u=0;u<s;u++){for(var d=u<a?D:r,f=3,p=0;p<d;p++)for(var g=0,m=0;m<i;m++){if(!g){var A=l[c++];g=128}h[f]=A&g?0:255,f+=4,g>>=1}t.putImageData(o,0,u*D)}}function i(t,e){for(var n=["strokeStyle","fillStyle","fillRule","globalAlpha","lineWidth","lineCap","lineJoin","miterLimit","globalCompositeOperation","font"],i=0,r=n.length;i<r;i++){var a=n[i];void 0!==t[a]&&(e[a]=t[a])}void 0!==t.setLineDash&&(e.setLineDash(t.getLineDash()),e.lineDashOffset=t.lineDashOffset)}function r(t,e,n,i){for(var r=t.length,a=3;a<r;a+=4){var s=t[a];if(0===s)t[a-3]=e,t[a-2]=n,t[a-1]=i;else if(s<255){var o=255-s;t[a-3]=t[a-3]*s+e*o>>8,t[a-2]=t[a-2]*s+n*o>>8,t[a-1]=t[a-1]*s+i*o>>8}}}function a(t,e,n){for(var i=t.length,r=1/255,a=3;a<i;a+=4){var s=n?n[t[a]]:t[a];e[a]=e[a]*s*r|0}}function b(t,e,n){for(var i=t.length,r=3;r<i;r+=4){var a=77*t[r-3]+152*t[r-2]+28*t[r-1];e[r]=n?e[r]*n[a>>8]>>8:e[r]*a>>16}}function w(t,e,n,i,s,o,c){var l,h=!!o,u=h?o[0]:0,d=h?o[1]:0,f=h?o[2]:0;l="Luminosity"===s?b:a;for(var p=1048576,g=Math.min(i,Math.ceil(p/n)),m=0;m<i;m+=g){var A=Math.min(g,i-m),v=t.getImageData(0,m,n,A),y=e.getImageData(0,m,n,A);h&&r(v.data,u,d,f),l(v.data,y.data,c),t.putImageData(y,0,m)}}function N(t,e,n){var i=e.canvas,r=e.context;t.setTransform(e.scaleX,0,0,e.scaleY,e.offsetX,e.offsetY);var a=e.backdrop||null;if(!e.transferMap&&C.isEnabled){var s=C.composeSMask(n.canvas,i,{subtype:e.subtype,backdrop:a});return t.setTransform(1,0,0,1,0,0),void t.drawImage(s,e.offsetX,e.offsetY)}w(r,n,i.width,i.height,e.subtype,a,e.transferMap),t.drawImage(i,0,0)}var U=15,B=10,W=["butt","round","square"],G=["miter","round","bevel"],X={},z={};t.prototype={beginDrawing:function(t,e,n){var i=this.ctx.canvas.width,r=this.ctx.canvas.height;if(this.ctx.save(),this.ctx.fillStyle="rgb(255, 255, 255)",this.ctx.fillRect(0,0,i,r),this.ctx.restore(),n){var a=this.cachedCanvases.getCanvas("transparent",i,r,!0);this.compositeCtx=this.ctx,this.transparentCanvas=a.canvas,this.ctx=a.context,this.ctx.save(),this.ctx.transform.apply(this.ctx,this.compositeCtx.mozCurrentTransform)}this.ctx.save(),t&&this.ctx.transform.apply(this.ctx,t),this.ctx.transform.apply(this.ctx,e.transform),this.baseTransform=this.ctx.mozCurrentTransform.slice(),this.imageLayer&&this.imageLayer.beginLayout()},executeOperatorList:function(t,e,n,i){var r=t.argsArray,a=t.fnArray,s=e||0,o=r.length;if(o===s)return s;for(var c,l=o-s>B&&"function"==typeof n,h=l?Date.now()+U:0,d=0,f=this.commonObjs,p=this.objs;;){if(void 0!==i&&s===i.nextBreakPoint)return i.breakIt(s,n),s;if(c=a[s],c!==u.dependency)this[c].apply(this,r[s]);else for(var g=r[s],m=0,A=g.length;m<A;m++){var v=g[m],b="g"===v[0]&&"_"===v[1],y=b?f:p;if(!y.isResolved(v))return y.get(v,n),s}if(s++,s===o)return s;if(l&&++d>B){if(Date.now()>h)return n(),s;d=0}}},endDrawing:function(){null!==this.current.activeSMask&&this.endSMaskGroup(),this.ctx.restore(),this.transparentCanvas&&(this.ctx=this.compositeCtx,this.ctx.save(),this.ctx.setTransform(1,0,0,1,0,0),this.ctx.drawImage(this.transparentCanvas,0,0),this.ctx.restore(),this.transparentCanvas=null),this.cachedCanvases.clear(),C.clear(),this.imageLayer&&this.imageLayer.endLayout()},setLineWidth:function(t){this.current.lineWidth=t,this.ctx.lineWidth=t},setLineCap:function(t){this.ctx.lineCap=W[t]},setLineJoin:function(t){this.ctx.lineJoin=G[t]},setMiterLimit:function(t){this.ctx.miterLimit=t},setDash:function(t,e){var n=this.ctx;void 0!==n.setLineDash&&(n.setLineDash(t),n.lineDashOffset=e)},setRenderingIntent:function(t){},setFlatness:function(t){},setGState:function(t){for(var e=0,n=t.length;e<n;e++){var i=t[e],r=i[0],a=i[1];switch(r){case"LW":this.setLineWidth(a);break;case"LC":this.setLineCap(a);break;case"LJ":this.setLineJoin(a);break;case"ML":this.setMiterLimit(a);break;case"D":this.setDash(a[0],a[1]);break;case"RI":this.setRenderingIntent(a);break;case"FL":this.setFlatness(a);break;case"Font":this.setFont(a[0],a[1]);break;case"CA":this.current.strokeAlpha=i[1];break;case"ca":this.current.fillAlpha=i[1],this.ctx.globalAlpha=i[1];break;case"BM":if(a&&a.name&&"Normal"!==a.name){var s=a.name.replace(/([A-Z])/g,function(t){return"-"+t.toLowerCase()}).substring(1);this.ctx.globalCompositeOperation=s,this.ctx.globalCompositeOperation!==s&&S('globalCompositeOperation "'+s+'" is not supported')}else this.ctx.globalCompositeOperation="source-over";break;case"SMask":this.current.activeSMask&&(this.stateStack.length>0&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask?this.suspendSMaskGroup():this.endSMaskGroup()),this.current.activeSMask=a?this.tempSMask:null,this.current.activeSMask&&this.beginSMaskGroup(),this.tempSMask=null}}},beginSMaskGroup:function(){var t=this.current.activeSMask,e=t.canvas.width,n=t.canvas.height,r="smaskGroupAt"+this.groupLevel,a=this.cachedCanvases.getCanvas(r,e,n,!0),s=this.ctx,o=s.mozCurrentTransform;this.ctx.save();var c=a.context;c.scale(1/t.scaleX,1/t.scaleY),c.translate(-t.offsetX,-t.offsetY),c.transform.apply(c,o),t.startTransformInverse=c.mozCurrentTransformInverse,i(s,c),this.ctx=c,this.setGState([["BM","Normal"],["ca",1],["CA",1]]),this.groupStack.push(s),this.groupLevel++},suspendSMaskGroup:function(){var t=this.ctx;this.groupLevel--,this.ctx=this.groupStack.pop(),N(this.ctx,this.current.activeSMask,t),this.ctx.restore(),this.ctx.save(),i(t,this.ctx),this.current.resumeSMaskCtx=t;var e=p.transform(this.current.activeSMask.startTransformInverse,t.mozCurrentTransform);this.ctx.transform.apply(this.ctx,e),t.save(),t.setTransform(1,0,0,1,0,0),t.clearRect(0,0,t.canvas.width,t.canvas.height),t.restore()},resumeSMaskGroup:function(){var t=this.current.resumeSMaskCtx,e=this.ctx;this.ctx=t,this.groupStack.push(e),this.groupLevel++},endSMaskGroup:function(){var t=this.ctx;this.groupLevel--,this.ctx=this.groupStack.pop(),N(this.ctx,this.current.activeSMask,t),this.ctx.restore(),i(t,this.ctx);var e=p.transform(this.current.activeSMask.startTransformInverse,t.mozCurrentTransform);this.ctx.transform.apply(this.ctx,e)},save:function(){this.ctx.save();var t=this.current;this.stateStack.push(t),this.current=t.clone(),this.current.resumeSMaskCtx=null},restore:function(){this.current.resumeSMaskCtx&&this.resumeSMaskGroup(),null===this.current.activeSMask||0!==this.stateStack.length&&this.stateStack[this.stateStack.length-1].activeSMask===this.current.activeSMask||this.endSMaskGroup(),0!==this.stateStack.length&&(this.current=this.stateStack.pop(),this.ctx.restore(),this.pendingClip=null,this.cachedGetSinglePixelWidth=null)},transform:function(t,e,n,i,r,a){this.ctx.transform(t,e,n,i,r,a),this.cachedGetSinglePixelWidth=null},constructPath:function(t,e){for(var n=this.ctx,i=this.current,r=i.x,a=i.y,s=0,o=0,c=t.length;s<c;s++)switch(0|t[s]){case u.rectangle:r=e[o++],a=e[o++];var l=e[o++],h=e[o++];0===l&&(l=this.getSinglePixelWidth()),0===h&&(h=this.getSinglePixelWidth());var d=r+l,f=a+h;this.ctx.moveTo(r,a),this.ctx.lineTo(d,a),this.ctx.lineTo(d,f),this.ctx.lineTo(r,f),this.ctx.lineTo(r,a),this.ctx.closePath();break;case u.moveTo:r=e[o++],a=e[o++],n.moveTo(r,a);break;case u.lineTo:r=e[o++],a=e[o++],n.lineTo(r,a);break;case u.curveTo:r=e[o+4],a=e[o+5],n.bezierCurveTo(e[o],e[o+1],e[o+2],e[o+3],r,a),o+=6;break;case u.curveTo2:n.bezierCurveTo(r,a,e[o],e[o+1],e[o+2],e[o+3]),r=e[o+2],a=e[o+3],o+=4;break;case u.curveTo3:r=e[o+2],a=e[o+3],n.bezierCurveTo(e[o],e[o+1],r,a,r,a),o+=4;break;case u.closePath:n.closePath()}i.setCurrentPoint(r,a)},closePath:function(){this.ctx.closePath()},stroke:function(t){t="undefined"==typeof t||t;var e=this.ctx,n=this.current.strokeColor;e.lineWidth=Math.max(this.getSinglePixelWidth()*E,this.current.lineWidth),e.globalAlpha=this.current.strokeAlpha,n&&n.hasOwnProperty("type")&&"Pattern"===n.type?(e.save(),e.strokeStyle=n.getPattern(e,this),e.stroke(),e.restore()):e.stroke(),t&&this.consumePath(),e.globalAlpha=this.current.fillAlpha},closeStroke:function(){this.closePath(),this.stroke()},fill:function(t){t="undefined"==typeof t||t;var e=this.ctx,n=this.current.fillColor,i=this.current.patternFill,r=!1;i&&(e.save(),this.baseTransform&&e.setTransform.apply(e,this.baseTransform),e.fillStyle=n.getPattern(e,this),r=!0),this.pendingEOFill?(void 0!==e.mozFillRule?(e.mozFillRule="evenodd",e.fill(),e.mozFillRule="nonzero"):e.fill("evenodd"),this.pendingEOFill=!1):e.fill(),r&&e.restore(),t&&this.consumePath()},eoFill:function(){this.pendingEOFill=!0,this.fill()},fillStroke:function(){this.fill(!1),this.stroke(!1),this.consumePath()},eoFillStroke:function(){this.pendingEOFill=!0,this.fillStroke()},closeFillStroke:function(){this.closePath(),this.fillStroke()},closeEOFillStroke:function(){this.pendingEOFill=!0,this.closePath(),this.fillStroke()},endPath:function(){this.consumePath()},clip:function(){this.pendingClip=X},eoClip:function(){this.pendingClip=z},beginText:function(){this.current.textMatrix=l,this.current.textMatrixScale=1,this.current.x=this.current.lineX=0,this.current.y=this.current.lineY=0},endText:function(){var t=this.pendingTextPaths,e=this.ctx;if(void 0===t)return void e.beginPath();e.save(),e.beginPath();for(var n=0;n<t.length;n++){var i=t[n];e.setTransform.apply(e,i.transform),e.translate(i.x,i.y),i.addToPath(e,i.fontSize)}e.restore(),e.clip(),e.beginPath(),delete this.pendingTextPaths},setCharSpacing:function(t){this.current.charSpacing=t},setWordSpacing:function(t){this.current.wordSpacing=t},setHScale:function(t){this.current.textHScale=t/100},setLeading:function(t){this.current.leading=-t},setFont:function(t,e){var n=this.commonObjs.get(t),i=this.current;if(n||y("Can't find font for "+t),i.fontMatrix=n.fontMatrix?n.fontMatrix:c,0!==i.fontMatrix[0]&&0!==i.fontMatrix[3]||S("Invalid font matrix for font "+t),e<0?(e=-e,i.fontDirection=-1):i.fontDirection=1,this.current.font=n,this.current.fontSize=e,!n.isType3Font){var r=n.loadedName||"sans-serif",a=n.black?"900":n.bold?"bold":"normal",s=n.italic?"italic":"normal",o='"'+r+'", '+n.fallbackName,l=e<T?T:e>L?L:e;this.current.fontSizeScale=e/l;var h=s+" "+a+" "+l+"px "+o;this.ctx.font=h}},setTextRenderingMode:function(t){this.current.textRenderingMode=t},setTextRise:function(t){this.current.textRise=t},moveText:function(t,e){this.current.x=this.current.lineX+=t,this.current.y=this.current.lineY+=e},setLeadingMoveText:function(t,e){this.setLeading(-e),this.moveText(t,e)},setTextMatrix:function(t,e,n,i,r,a){this.current.textMatrix=[t,e,n,i,r,a],this.current.textMatrixScale=Math.sqrt(t*t+e*e),this.current.x=this.current.lineX=0,this.current.y=this.current.lineY=0},nextLine:function(){this.moveText(0,this.current.leading)},paintChar:function(t,e,n){var i,r=this.ctx,a=this.current,s=a.font,o=a.textRenderingMode,c=a.fontSize/a.fontSizeScale,l=o&d.FILL_STROKE_MASK,h=!!(o&d.ADD_TO_PATH_FLAG);if((s.disableFontFace||h)&&(i=s.getPathGenerator(this.commonObjs,t)),s.disableFontFace?(r.save(),r.translate(e,n),r.beginPath(),i(r,c),l!==d.FILL&&l!==d.FILL_STROKE||r.fill(),l!==d.STROKE&&l!==d.FILL_STROKE||r.stroke(),r.restore()):(l!==d.FILL&&l!==d.FILL_STROKE||r.fillText(t,e,n),l!==d.STROKE&&l!==d.FILL_STROKE||r.strokeText(t,e,n)),h){var u=this.pendingTextPaths||(this.pendingTextPaths=[]);u.push({transform:r.mozCurrentTransform,x:e,y:n,fontSize:c,addToPath:i})}},get isFontSubpixelAAEnabled(){var t=document.createElement("canvas").getContext("2d");t.scale(1.5,1),t.fillText("I",0,10);for(var e=t.getImageData(0,0,10,10).data,n=!1,i=3;i<e.length;i+=4)if(e[i]>0&&e[i]<255){n=!0;break}return x(this,"isFontSubpixelAAEnabled",n)},showText:function(t){var e=this.current,n=e.font;if(n.isType3Font)return this.showType3Text(t);var i=e.fontSize;if(0!==i){var r=this.ctx,a=e.fontSizeScale,s=e.charSpacing,o=e.wordSpacing,c=e.fontDirection,l=e.textHScale*c,h=t.length,u=n.vertical,f=u?1:-1,p=n.defaultVMetrics,g=i*e.fontMatrix[0],m=e.textRenderingMode===d.FILL&&!n.disableFontFace;r.save(),r.transform.apply(r,e.textMatrix),r.translate(e.x,e.y+e.textRise),e.patternFill&&(r.fillStyle=e.fillColor.getPattern(r,this)),c>0?r.scale(l,-1):r.scale(l,1);var v=e.lineWidth,b=e.textMatrixScale;if(0===b||0===v){var y=e.textRenderingMode&d.FILL_STROKE_MASK;y!==d.STROKE&&y!==d.FILL_STROKE||(this.cachedGetSinglePixelWidth=null,v=this.getSinglePixelWidth()*E)}else v/=b;1!==a&&(r.scale(a,a),v/=a),r.lineWidth=v;var x,S=0;for(x=0;x<h;++x){var k=t[x];if(A(k))S+=f*k*i/1e3;else{var _,C,w,T,L=!1,P=(k.isSpace?o:0)+s,R=k.fontChar,I=k.accent,D=k.width;if(u){var j,O,F;j=k.vmetric||p,O=k.vmetric?j[1]:.5*D,O=-O*g,F=j[2]*g,D=j?-j[0]:D,_=O/a,C=(S+F)/a}else _=S/a,C=0;if(n.remeasure&&D>0){var M=1e3*r.measureText(R).width/i*a;if(D<M&&this.isFontSubpixelAAEnabled){var N=D/M;L=!0,r.save(),r.scale(N,1),_/=N}else D!==M&&(_+=(D-M)/2e3*i/a)}(k.isInFont||n.missingFile)&&(m&&!I?r.fillText(R,_,C):(this.paintChar(R,_,C),I&&(w=_+I.offset.x/a,T=C-I.offset.y/a,this.paintChar(I.fontChar,w,T))));var U=D*g+P*c;S+=U,L&&r.restore()}}u?e.y-=S*l:e.x+=S*l,r.restore()}},showType3Text:function(t){var e,n,i,r,a=this.ctx,s=this.current,o=s.font,l=s.fontSize,h=s.fontDirection,u=o.vertical?1:-1,f=s.charSpacing,g=s.wordSpacing,m=s.textHScale*h,v=s.fontMatrix||c,b=t.length,y=s.textRenderingMode===d.INVISIBLE;if(!y&&0!==l){for(this.cachedGetSinglePixelWidth=null,a.save(),a.transform.apply(a,s.textMatrix),a.translate(s.x,s.y),a.scale(m,h),e=0;e<b;++e)if(n=t[e],A(n))r=u*n*l/1e3,this.ctx.translate(r,0),s.x+=r*m;else{var x=(n.isSpace?g:0)+f,k=o.charProcOperatorList[n.operatorListId];if(k){this.processingType3=n,this.save(),a.scale(l,l),a.transform.apply(a,v),this.executeOperatorList(k),this.restore();var _=p.applyTransform([n.width,0],v);i=_[0]*l+x,a.translate(i,0),s.x+=i*m}else S('Type3 character "'+n.operatorListId+'" is not available')}a.restore(),this.processingType3=null}},setCharWidth:function(t,e){},setCharWidthAndBounds:function(t,e,n,i,r,a){this.ctx.rect(n,i,r-n,a-i),this.clip(),this.endPath()},getColorN_Pattern:function(e){var n;if("TilingPattern"===e[0]){var i=e[1],r=this.baseTransform||this.ctx.mozCurrentTransform.slice(),a=this,s={createCanvasGraphics:function(e){return new t(e,a.commonObjs,a.objs)}};n=new k(e,i,this.ctx,s,r)}else n=_(e);return n},setStrokeColorN:function(){this.current.strokeColor=this.getColorN_Pattern(arguments)},setFillColorN:function(){this.current.fillColor=this.getColorN_Pattern(arguments),this.current.patternFill=!0},setStrokeRGBColor:function(t,e,n){var i=p.makeCssRgb(t,e,n);this.ctx.strokeStyle=i,this.current.strokeColor=i},setFillRGBColor:function(t,e,n){var i=p.makeCssRgb(t,e,n);this.ctx.fillStyle=i,this.current.fillColor=i,this.current.patternFill=!1},shadingFill:function(t){var e=this.ctx;this.save();var n=_(t);e.fillStyle=n.getPattern(e,this,!0);var i=e.mozCurrentTransformInverse;if(i){var r=e.canvas,a=r.width,s=r.height,o=p.applyTransform([0,0],i),c=p.applyTransform([0,s],i),l=p.applyTransform([a,0],i),h=p.applyTransform([a,s],i),u=Math.min(o[0],c[0],l[0],h[0]),d=Math.min(o[1],c[1],l[1],h[1]),f=Math.max(o[0],c[0],l[0],h[0]),g=Math.max(o[1],c[1],l[1],h[1]);this.ctx.fillRect(u,d,f-u,g-d)}else this.ctx.fillRect(-1e10,-1e10,2e10,2e10);this.restore()},beginInlineImage:function(){y("Should not call beginInlineImage")},beginImageData:function(){y("Should not call beginImageData")},paintFormXObjectBegin:function(t,e){if(this.save(),this.baseTransformStack.push(this.baseTransform),v(t)&&6===t.length&&this.transform.apply(this,t),this.baseTransform=this.ctx.mozCurrentTransform,v(e)&&4===e.length){var n=e[2]-e[0],i=e[3]-e[1];this.ctx.rect(e[0],e[1],n,i),this.clip(),this.endPath()}},paintFormXObjectEnd:function(){this.restore(),this.baseTransform=this.baseTransformStack.pop()},beginGroup:function(t){this.save();var e=this.ctx;t.isolated||m("TODO: Support non-isolated groups."),t.knockout&&S("Knockout groups not supported.");var n=e.mozCurrentTransform;t.matrix&&e.transform.apply(e,t.matrix),g(t.bbox,"Bounding box is required.");var r=p.getAxialAlignedBoundingBox(t.bbox,e.mozCurrentTransform),a=[0,0,e.canvas.width,e.canvas.height];r=p.intersect(r,a)||[0,0,0,0];var s=Math.floor(r[0]),o=Math.floor(r[1]),c=Math.max(Math.ceil(r[2])-s,1),l=Math.max(Math.ceil(r[3])-o,1),h=1,u=1;c>P&&(h=c/P,c=P),l>P&&(u=l/P,l=P);var d="groupAt"+this.groupLevel;t.smask&&(d+="_smask_"+this.smaskCounter++%2);var f=this.cachedCanvases.getCanvas(d,c,l,!0),A=f.context;A.scale(1/h,1/u),A.translate(-s,-o),A.transform.apply(A,n),t.smask?this.smaskStack.push({canvas:f.canvas,context:A,offsetX:s,offsetY:o,scaleX:h,scaleY:u,subtype:t.smask.subtype,backdrop:t.smask.backdrop,transferMap:t.smask.transferMap||null,startTransformInverse:null}):(e.setTransform(1,0,0,1,0,0),e.translate(s,o),e.scale(h,u)),i(e,A),this.ctx=A,this.setGState([["BM","Normal"],["ca",1],["CA",1]]),this.groupStack.push(e),this.groupLevel++,this.current.activeSMask=null},endGroup:function(t){this.groupLevel--;var e=this.ctx;this.ctx=this.groupStack.pop(),void 0!==this.ctx.imageSmoothingEnabled?this.ctx.imageSmoothingEnabled=!1:this.ctx.mozImageSmoothingEnabled=!1,t.smask?this.tempSMask=this.smaskStack.pop():this.ctx.drawImage(e.canvas,0,0),this.restore()},beginAnnotations:function(){this.save(),this.current=new M,this.baseTransform&&this.ctx.setTransform.apply(this.ctx,this.baseTransform)},endAnnotations:function(){this.restore()},beginAnnotation:function(t,e,n){if(this.save(),v(t)&&4===t.length){var i=t[2]-t[0],r=t[3]-t[1];this.ctx.rect(t[0],t[1],i,r),this.clip(),this.endPath()}this.transform.apply(this,e),this.transform.apply(this,n)},endAnnotation:function(){this.restore()},paintJpegXObject:function(t,e,n){var i=this.objs.get(t);if(!i)return void S("Dependent image isn't ready yet");this.save();var r=this.ctx;if(r.scale(1/e,-1/n),r.drawImage(i,0,0,i.width,i.height,0,-n,e,n),this.imageLayer){var a=r.mozCurrentTransformInverse,s=this.getCanvasPosition(0,0);this.imageLayer.appendImage({objId:t,left:s[0],top:s[1],width:e/a[0],height:n/a[3]})}this.restore()},paintImageMaskXObject:function(t){var e=this.ctx,i=t.width,r=t.height,a=this.current.fillColor,s=this.current.patternFill,c=this.processingType3;if(R&&c&&void 0===c.compiled&&(i<=I&&r<=I?c.compiled=o({data:t.data,width:i,height:r}):c.compiled=null),c&&c.compiled)return void c.compiled(e);var l=this.cachedCanvases.getCanvas("maskCanvas",i,r),h=l.context;h.save(),n(h,t),h.globalCompositeOperation="source-in",h.fillStyle=s?a.getPattern(h,this):a,h.fillRect(0,0,i,r),h.restore(),this.paintInlineImageXObject(l.canvas)},paintImageMaskXObjectRepeat:function(t,e,i,r){var a=t.width,s=t.height,o=this.current.fillColor,c=this.current.patternFill,l=this.cachedCanvases.getCanvas("maskCanvas",a,s),h=l.context;h.save(),n(h,t),h.globalCompositeOperation="source-in",h.fillStyle=c?o.getPattern(h,this):o,h.fillRect(0,0,a,s),h.restore();for(var u=this.ctx,d=0,f=r.length;d<f;d+=2)u.save(),u.transform(e,0,0,i,r[d],r[d+1]),u.scale(1,-1),u.drawImage(l.canvas,0,0,a,s,0,-1,1,1),u.restore()},paintImageMaskXObjectGroup:function(t){for(var e=this.ctx,i=this.current.fillColor,r=this.current.patternFill,a=0,s=t.length;a<s;a++){var o=t[a],c=o.width,l=o.height,h=this.cachedCanvases.getCanvas("maskCanvas",c,l),u=h.context;u.save(),n(u,o),u.globalCompositeOperation="source-in",u.fillStyle=r?i.getPattern(u,this):i,u.fillRect(0,0,c,l),u.restore(),e.save(),e.transform.apply(e,o.transform),e.scale(1,-1),e.drawImage(h.canvas,0,0,c,l,0,-1,1,1),e.restore()}},paintImageXObject:function(t){var e=this.objs.get(t);return e?void this.paintInlineImageXObject(e):void S("Dependent image isn't ready yet")},paintImageXObjectRepeat:function(t,e,n,i){var r=this.objs.get(t);if(!r)return void S("Dependent image isn't ready yet");for(var a=r.width,s=r.height,o=[],c=0,l=i.length;c<l;c+=2)o.push({transform:[e,0,0,n,i[c],i[c+1]],x:0,y:0,w:a,h:s});this.paintInlineImageXObjectGroup(r,o)},paintInlineImageXObject:function(t){var n=t.width,i=t.height,r=this.ctx;this.save(),r.scale(1/n,-1/i);var a,s,o=r.mozCurrentTransformInverse,c=o[0],l=o[1],h=Math.max(Math.sqrt(c*c+l*l),1),u=o[2],d=o[3],f=Math.max(Math.sqrt(u*u+d*d),1);if(t instanceof HTMLElement||!t.data)a=t;else{s=this.cachedCanvases.getCanvas("inlineImage",n,i);var p=s.context;e(p,t),a=s.canvas}for(var g=n,m=i,A="prescale1";h>2&&g>1||f>2&&m>1;){var v=g,b=m;h>2&&g>1&&(v=Math.ceil(g/2),h/=g/v),f>2&&m>1&&(b=Math.ceil(m/2),f/=m/b),s=this.cachedCanvases.getCanvas(A,v,b),p=s.context,p.clearRect(0,0,v,b),p.drawImage(a,0,0,g,m,0,0,v,b),a=s.canvas,g=v,m=b,A="prescale1"===A?"prescale2":"prescale1"}if(r.drawImage(a,0,0,g,m,0,-i,n,i),this.imageLayer){var y=this.getCanvasPosition(0,-i);this.imageLayer.appendImage({imgData:t,left:y[0],top:y[1],width:n/o[0],height:i/o[3]})}this.restore()},paintInlineImageXObjectGroup:function(t,n){var i=this.ctx,r=t.width,a=t.height,s=this.cachedCanvases.getCanvas("inlineImage",r,a),o=s.context;e(o,t);for(var c=0,l=n.length;c<l;c++){var h=n[c];if(i.save(),i.transform.apply(i,h.transform),i.scale(1,-1),i.drawImage(s.canvas,h.x,h.y,h.w,h.h,0,-1,1,1),this.imageLayer){var u=this.getCanvasPosition(h.x,h.y);this.imageLayer.appendImage({imgData:t,left:u[0],top:u[1],width:r,height:a})}i.restore()}},paintSolidColorImageMask:function(){this.ctx.fillRect(0,0,1,1)},paintXObject:function(){S("Unsupported 'paintXObject' command.")},markPoint:function(t){},markPointProps:function(t,e){},beginMarkedContent:function(t){},beginMarkedContentProps:function(t,e){},endMarkedContent:function(){},beginCompat:function(){},endCompat:function(){},consumePath:function(){var t=this.ctx;this.pendingClip&&(this.pendingClip===z?void 0!==t.mozFillRule?(t.mozFillRule="evenodd",t.clip(),t.mozFillRule="nonzero"):t.clip("evenodd"):t.clip(),this.pendingClip=null),t.beginPath()},getSinglePixelWidth:function(t){if(null===this.cachedGetSinglePixelWidth){this.ctx.save();var e=this.ctx.mozCurrentTransformInverse;this.ctx.restore(),this.cachedGetSinglePixelWidth=Math.sqrt(Math.max(e[0]*e[0]+e[1]*e[1],e[2]*e[2]+e[3]*e[3]))}return this.cachedGetSinglePixelWidth},getCanvasPosition:function(t,e){var n=this.ctx.mozCurrentTransform;return[n[0]*t+n[2]*e+n[4],n[1]*t+n[3]*e+n[5]]}};for(var H in u)t.prototype[u[H]]=t.prototype[H];return t}();t.CanvasGraphics=N,t.createScratchCanvas=a}),function(t,e){e(t.pdfjsDisplayAPI={},t.pdfjsSharedUtil,t.pdfjsDisplayFontLoader,t.pdfjsDisplayCanvas,t.pdfjsDisplayMetadata,t.pdfjsDisplayDOMUtils)}(this,function(t,r,a,s,o,c,l){function h(t,e,n,i){var r=new V;arguments.length>1&&_("getDocument is called with pdfDataRangeTransport, passwordCallback or progressCallback argument"),e&&(e instanceof q||(e=Object.create(e),e.length=t.length,e.initialData=t.initialData,e.abort||(e.abort=function(){})),t=Object.create(t),t.range=e),r.onPassword=n||null,r.onProgress=i||null;var a;"string"==typeof t?a={url:t}:P(t)?a={data:t}:t instanceof q?a={range:t}:("object"!=typeof t&&k("Invalid parameter in getDocument, need either Uint8Array, string or a parameter object"),t.url||t.data||t.range||k("Invalid parameter object: need either .data, .range or .url"),a=t);var s={},o=null,c=null;for(var l in a)if("url"!==l||"undefined"==typeof window)if("range"!==l)if("worker"!==l)if("data"!==l||a[l]instanceof Uint8Array)s[l]=a[l];else{var h=a[l];"string"==typeof h?s[l]=I(h):"object"!=typeof h||null===h||isNaN(h.length)?P(h)?s[l]=new Uint8Array(h):k("Invalid PDF binary data: either typed array, string or array-like object is expected in the data property."):s[l]=new Uint8Array(h)}else c=a[l];else o=a[l];else s[l]=new URL(a[l],window.location).href;s.rangeChunkSize=s.rangeChunkSize||W,c||(c=new K,r._worker=c);var d=r.docId;return c.promise.then(function(){if(r.destroyed)throw new Error("Loading aborted");return u(c,s,o,d).then(function(t){if(r.destroyed)throw new Error("Loading aborted");var e=new p(d,t,c.port),n=new Z(e,r,o);r._transport=n,e.send("Ready",null)})}).catch(r._capability.reject),r}function u(t,e,n,i){return t.destroyed?Promise.reject(new Error("Worker was destroyed")):(e.disableAutoFetch=B("disableAutoFetch"),e.disableStream=B("disableStream"),e.chunkedViewerLoading=!!n,n&&(e.length=n.length,e.initialData=n.initialData),t.messageHandler.sendWithPromise("GetDocRequest",{docId:i,source:e,disableRange:B("disableRange"),maxImageSize:B("maxImageSize"),cMapUrl:B("cMapUrl"),cMapPacked:B("cMapPacked"),disableFontFace:B("disableFontFace"),disableCreateObjectURL:B("disableCreateObjectURL"),postMessageTransfers:B("postMessageTransfers")&&!X,docBaseUrl:e.docBaseUrl}).then(function(e){if(t.destroyed)throw new Error("Worker was destroyed");return e}))}var d,f=r.InvalidPDFException,p=r.MessageHandler,g=r.MissingPDFException,m=r.PageViewport,A=(r.PasswordResponses,r.PasswordException),v=r.StatTimer,b=r.UnexpectedResponseException,y=r.UnknownErrorException,x=r.Util,S=r.createPromiseCapability,k=r.error,_=r.deprecated,C=r.getVerbosityLevel,w=r.info,T=r.isInt,L=r.isArray,P=r.isArrayBuffer,E=r.isSameOrigin,R=r.loadJpegStream,I=r.stringToBytes,D=r.globalScope,j=r.warn,O=a.FontFaceObject,F=a.FontLoader,M=s.CanvasGraphics,N=s.createScratchCanvas,U=o.Metadata,B=c.getDefaultSetting,W=65536,G=!1,X=!1,z=null,H=!1;"undefined"==typeof window&&(G=!0,"undefined"==typeof require.ensure&&(require.ensure=require("node-ensure")),H=!0),"undefined"!=typeof __webpack_require__&&(H=!0),"undefined"!=typeof requirejs&&requirejs.toUrl&&(d=requirejs.toUrl("pdfjs-dist/build/pdf.worker.js"));var Y="undefined"!=typeof requirejs&&requirejs.load;z=H?function(t){require.ensure([],function(){var e=require("./pdf.worker.js");t(e.WorkerMessageHandler)})}:Y?function(t){requirejs(["pdfjs-dist/build/pdf.worker"],function(e){t(e.WorkerMessageHandler)})}:null;var V=function(){function t(){this._capability=S(),this._transport=null,this._worker=null,this.docId="d"+e++,this.destroyed=!1,this.onPassword=null,this.onProgress=null,this.onUnsupportedFeature=null}var e=0;return t.prototype={get promise(){return this._capability.promise},destroy:function(){this.destroyed=!0;var t=this._transport?this._transport.destroy():Promise.resolve();return t.then(function(){this._transport=null,this._worker&&(this._worker.destroy(),this._worker=null)}.bind(this))},then:function(t,e){return this.promise.then.apply(this.promise,arguments)}},t}(),q=function(){function t(t,e){this.length=t,this.initialData=e,this._rangeListeners=[],this._progressListeners=[],this._progressiveReadListeners=[],this._readyCapability=S()}return t.prototype={addRangeListener:function(t){this._rangeListeners.push(t)},addProgressListener:function(t){this._progressListeners.push(t)},addProgressiveReadListener:function(t){this._progressiveReadListeners.push(t)},onDataRange:function(t,e){for(var n=this._rangeListeners,i=0,r=n.length;i<r;++i)n[i](t,e)},onDataProgress:function(t){this._readyCapability.promise.then(function(){for(var e=this._progressListeners,n=0,i=e.length;n<i;++n)e[n](t)}.bind(this))},onDataProgressiveRead:function(t){this._readyCapability.promise.then(function(){for(var e=this._progressiveReadListeners,n=0,i=e.length;n<i;++n)e[n](t)}.bind(this))},transportReady:function(){this._readyCapability.resolve()},requestDataRange:function(t,e){throw new Error("Abstract method PDFDataRangeTransport.requestDataRange")},abort:function(){}},t}(),J=function(){function t(t,e,n){this.pdfInfo=t,this.transport=e,this.loadingTask=n}return t.prototype={get numPages(){return this.pdfInfo.numPages},get fingerprint(){return this.pdfInfo.fingerprint},getPage:function(t){return this.transport.getPage(t)},getPageIndex:function(t){return this.transport.getPageIndex(t)},getDestinations:function(){return this.transport.getDestinations()},getDestination:function(t){return this.transport.getDestination(t)},getPageLabels:function(){return this.transport.getPageLabels()},getAttachments:function(){return this.transport.getAttachments()},getJavaScript:function(){return this.transport.getJavaScript()},getOutline:function(){return this.transport.getOutline()},getMetadata:function(){return this.transport.getMetadata()},getData:function(){return this.transport.getData()},getDownloadInfo:function(){return this.transport.downloadInfoCapability.promise},getStats:function(){return this.transport.getStats()},cleanup:function(){this.transport.startCleanup()},destroy:function(){return this.loadingTask.destroy()}},t}(),Q=function(){function t(t,e,n){this.pageIndex=t,this.pageInfo=e,this.transport=n,this.stats=new v,this.stats.enabled=B("enableStats"),this.commonObjs=n.commonObjs,this.objs=new $,this.cleanupAfterRender=!1,this.pendingCleanup=!1,this.intentStates=Object.create(null),this.destroyed=!1}return t.prototype={get pageNumber(){return this.pageIndex+1},get rotate(){return this.pageInfo.rotate},get ref(){return this.pageInfo.ref},get userUnit(){return this.pageInfo.userUnit},get view(){return this.pageInfo.view},getViewport:function(t,e){return arguments.length<2&&(e=this.rotate),new m(this.view,t,e,0,0)},getAnnotations:function(t){var e=t&&t.intent||null;return this.annotationsPromise&&this.annotationsIntent===e||(this.annotationsPromise=this.transport.getAnnotations(this.pageIndex,e),this.annotationsIntent=e),this.annotationsPromise},render:function(t){function e(t){var e=a.renderTasks.indexOf(s);e>=0&&a.renderTasks.splice(e,1),c.cleanupAfterRender&&(c.pendingCleanup=!0),c._tryCleanup(),t?s.capability.reject(t):s.capability.resolve(),n.timeEnd("Rendering"),n.timeEnd("Overall")}var n=this.stats;n.time("Overall"),this.pendingCleanup=!1;var i="print"===t.intent?"print":"display",r=t.renderInteractiveForms===!0;this.intentStates[i]||(this.intentStates[i]=Object.create(null));var a=this.intentStates[i];a.displayReadyCapability||(a.receivingOperatorList=!0,a.displayReadyCapability=S(),a.operatorList={fnArray:[],argsArray:[],lastChunk:!1},this.stats.time("Page Request"),this.transport.messageHandler.send("RenderPageRequest",{pageIndex:this.pageNumber-1,intent:i,renderInteractiveForms:r}));var s=new et(e,t,this.objs,this.commonObjs,a.operatorList,this.pageNumber);s.useRequestAnimationFrame="print"!==i,a.renderTasks||(a.renderTasks=[]),a.renderTasks.push(s);var o=s.task;t.continueCallback&&(_("render is used with continueCallback parameter"),
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index fff00f2ada..b8eb6bee57 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -23,8 +23,8 @@
  }
 }(this, function (exports) {
  'use strict';
- var pdfjsVersion = '1.6.471';
- var pdfjsBuild = '1948a53';
+ var pdfjsVersion = '1.6.473';
+ var pdfjsBuild = 'a47fc2f';
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var pdfjsLibs = {};
  (function pdfjsWrapper() {
diff --git a/package.json b/package.json
index ecc7340a5b..6c0b53c0c3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.6.471",
+  "version": "1.6.473",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
diff --git a/web/compatibility.js b/web/compatibility.js
index 38539b9093..df626a7eab 100644
--- a/web/compatibility.js
+++ b/web/compatibility.js
@@ -596,4 +596,44 @@ if (typeof PDFJS === 'undefined') {
   });
 })();
 
+// Provides `input.type = 'type'` runtime failure protection.
+// Support: IE9,10.
+(function checkInputTypeNumberAssign() {
+  var el = document.createElement('input');
+  try {
+    el.type = 'number';
+  } catch (ex) {
+    var inputProto = el.constructor.prototype;
+    var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
+    Object.defineProperty(inputProto, 'type', {
+      get: function () { return typeProperty.get.call(this); },
+      set: function (value) {
+        typeProperty.set.call(this, value === 'number' ? 'text' : value);
+      },
+      enumerable: true,
+      configurable: true
+    });
+  }
+})();
+
+// Provides correct document.readyState value for legacy browsers.
+// Support: IE9,10.
+(function checkDocumentReadyState() {
+  if (!document.attachEvent) {
+    return;
+  }
+  var documentProto = document.constructor.prototype;
+  var readyStateProto = Object.getOwnPropertyDescriptor(documentProto,
+                                                        'readyState');
+  Object.defineProperty(documentProto, 'readyState', {
+    get: function () {
+      var value = readyStateProto.get.call(this);
+      return value === 'interactive' ? 'loading' : value;
+    },
+    set: function (value) { readyStateProto.set.call(this, value); },
+    enumerable: true,
+    configurable: true
+  });
+})();
+
 }).call((typeof window === 'undefined') ? this : window);