jquery.maphilight.min.js

(function(G){var B,J,C,K,N,M,I,E,H,A,L;B=document.namespaces;J=!!document.createElement("canvas").getContext;if(!(J||B)){G.fn.maphilight=function(){return this};return }if(J){E=function(O){return Math.max(0,Math.min(parseInt(O,16),255))};H=function(O,P){return"rgba("+E(O.substr(0,2))+","+E(O.substr(2,2))+","+E(O.substr(4,2))+","+P+")"};C=function(O){var P=G('<canvas style="width:'+O.width+"px;height:"+O.height+'px;"></canvas>').get(0);P.getContext("2d").clearRect(0,0,P.width,P.height);return P};var F=function(Q,O,R,P,S){P=P||0;S=S||0;Q.beginPath();if(O=="rect"){Q.rect(R[0]+P,R[1]+S,R[2]-R[0],R[3]-R[1])}else{if(O=="poly"){Q.moveTo(R[0]+P,R[1]+S);for(i=2;i<R.length;i+=2){Q.lineTo(R[i]+P,R[i+1]+S)}}else{if(O=="circ"){Q.arc(R[0]+P,R[1]+S,R[2],0,Math.PI*2,false)}}}Q.closePath()};K=function(Q,T,U,X,O){var S,P=Q.getContext("2d");if(X.shadow){P.save();if(X.shadowPosition=="inside"){F(P,T,U);P.clip()}var R=Q.width*100;var W=Q.height*100;F(P,T,U,R,W);P.shadowOffsetX=X.shadowX-R;P.shadowOffsetY=X.shadowY-W;P.shadowBlur=X.shadowRadius;P.shadowColor=H(X.shadowColor,X.shadowOpacity);var V=X.shadowFrom;if(!V){if(X.shadowPosition=="outside"){V="fill"}else{V="stroke"}}if(V=="stroke"){P.strokeStyle="rgba(0,0,0,1)";P.stroke()}else{if(V=="fill"){P.fillStyle="rgba(0,0,0,1)";P.fill()}}P.restore();if(X.shadowPosition=="outside"){P.save();F(P,T,U);P.globalCompositeOperation="destination-out";P.fillStyle="rgba(0,0,0,1);";P.fill();P.restore()}}P.save();F(P,T,U);if(X.fill){P.fillStyle=H(X.fillColor,X.fillOpacity);P.fill()}if(X.stroke){P.strokeStyle=H(X.strokeColor,X.strokeOpacity);P.lineWidth=X.strokeWidth;P.stroke()}P.restore();if(X.fade){G(Q).css("opacity",0).animate({opacity:1},100)}};N=function(O){O.getContext("2d").clearRect(0,0,O.width,O.height)}}else{C=function(O){return G('<var style="zoom:1;overflow:hidden;display:block;width:'+O.width+"px;height:"+O.height+'px;"></var>').get(0)};K=function(P,S,T,W,O){var U,V,Q,R;U='<v:fill color="#'+W.fillColor+'" opacity="'+(W.fill?W.fillOpacity:0)+'" />';V=(W.stroke?'strokeweight="'+W.strokeWidth+'" stroked="t" strokecolor="#'+W.strokeColor+'"':'stroked="f"');Q='<v:stroke opacity="'+W.strokeOpacity+'"/>';if(S=="rect"){R=G('<v:rect name="'+O+'" filled="t" '+V+' style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:'+T[0]+"px;top:"+T[1]+"px;width:"+(T[2]-T[0])+"px;height:"+(T[3]-T[1])+'px;"></v:rect>')}else{if(S=="poly"){R=G('<v:shape name="'+O+'" filled="t" '+V+' coordorigin="0,0" coordsize="'+P.width+","+P.height+'" path="m '+T[0]+","+T[1]+" l "+T.join(",")+' x e" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:0px;left:0px;width:'+P.width+"px;height:"+P.height+'px;"></v:shape>')}else{if(S=="circ"){R=G('<v:oval name="'+O+'" filled="t" '+V+' style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:'+(T[0]-T[2])+"px;top:"+(T[1]-T[2])+"px;width:"+(T[2]*2)+"px;height:"+(T[2]*2)+'px;"></v:oval>')}}}R.get(0).innerHTML=U+Q;G(P).append(R)};N=function(O){G(O).find("[name=highlighted]").remove()}}M=function(P){var O,Q=P.getAttribute("coords").split(",");for(O=0;O<Q.length;O++){Q[O]=parseFloat(Q[O])}return[P.getAttribute("shape").toLowerCase().substr(0,4),Q]};L=function(Q,P){var O=G(Q);return G.extend({},P,G.metadata?O.metadata():false,O.data("maphilight"))};A=function(O){if(!O.complete){return false}if(typeof O.naturalWidth!="undefined"&&O.naturalWidth===0){return false}return true};I={position:"absolute",left:0,top:0,padding:0,border:0};var D=false;G.fn.maphilight=function(Q){Q=G.extend({},G.fn.maphilight.defaults,Q);if(!J&&G.browser.msie&&!D){document.namespaces.add("v","urn:schemas-microsoft-com:vml");var P=document.createStyleSheet();var O=["shape","rect","oval","circ","fill","stroke","imagedata","group","textbox"];G.each(O,function(){P.addRule("v\\:"+this,"behavior: url(#default#VML); antialias:true")});D=true}return this.each(function(){var W,T,a,S,V,X,Z,U,Y;W=G(this);if(!A(this)){return window.setTimeout(function(){W.maphilight(Q)},200)}a=G.extend({},Q,G.metadata?W.metadata():false,W.data("maphilight"));Y=W.get(0).getAttribute("usemap");S=G('map[name="'+Y.substr(1)+'"]');if(!(W.is('img,input[type="image"]')&&Y&&S.size()>0)){return }if(W.hasClass("maphilighted")){var R=W.parent();W.insertBefore(R);R.remove();G(S).unbind(".maphilight").find("area[coords]").unbind(".maphilight")}T=G("<div></div>").css({display:"block",background:'url("'+this.src+'")',position:"relative",padding:0,width:this.width,height:this.height});if(a.wrapClass){if(a.wrapClass===true){T.addClass(G(this).attr("class"))}else{T.addClass(a.wrapClass)}}W.before(T).css("opacity",0).css(I).remove();if(G.browser.msie){W.css("filter","Alpha(opacity=0)")}T.append(W);V=C(this);G(V).css(I);V.height=this.height;V.width=this.width;Z=function(f){var c,d;d=L(this,a);if(!d.neverOn&&!d.alwaysOn){c=M(this);K(V,c[0],c[1],d,"highlighted");if(d.groupBy){var b;if(/^[a-zA-Z][\-a-zA-Z]+$/.test(d.groupBy)){b=S.find("area["+d.groupBy+'="'+G(this).attr(d.groupBy)+'"]')}else{b=S.find(d.groupBy)}var g=this;b.each(function(){if(this!=g){var h=L(this,a);if(!h.neverOn&&!h.alwaysOn){var e=M(this);K(V,e[0],e[1],h,"highlighted")}}})}if(!J){G(V).append("<v:rect></v:rect>")}}};G(S).bind("alwaysOn.maphilight",function(){if(X){N(X)}if(!J){G(V).empty()}G(S).find("area[coords]").each(function(){var b,c;c=L(this,a);if(c.alwaysOn){if(!X&&J){X=C(W[0]);G(X).css(I);X.width=W[0].width;X.height=W[0].height;W.before(X)}c.fade=c.alwaysOnFade;b=M(this);if(J){K(X,b[0],b[1],c,"")}else{K(V,b[0],b[1],c,"")}}})});G(S).trigger("alwaysOn.maphilight").find("area[coords]").bind("mouseover.maphilight",Z).bind("mouseout.maphilight",function(b){N(V)});W.before(V);W.addClass("maphilighted")})};G.fn.maphilight.defaults={fill:true,fillColor:"000000",fillOpacity:0.2,stroke:true,strokeColor:"ff0000",strokeOpacity:1,strokeWidth:1,fade:true,alwaysOn:false,neverOn:false,groupBy:false,wrapClass:true,shadow:false,shadowX:0,shadowY:0,shadowRadius:6,shadowColor:"000000",shadowOpacity:0.8,shadowPosition:"outside",shadowFrom:false}})(jQuery);