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|
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
body{
background-color:gray;
}
#conte{
cursor:zoom-in;
height:600px;
width:838px;
overflow:hidden;
top:20px;
background-color:white;
margin:auto;
border:0px solid;
border-color:black;
}
#divim{
position:relative;
background-image: url("http://papotage.kamiloka.com/wp-content/uploads/2011/12/SuperMarioWorld-carte2.jpg");
height:600px;
width:838px;
background-repeat:no-repeat;
background-size:100%;
}
.pt1{
position:absolute;
background:red;
height:14px;
width:14px;
border-radius: 7px;
cursor:pointer;
}
</style>
<script>
var obj_point=[
{
gauche:340,
haut:210,
txt:"zone 1"
},
{
gauche:565,
haut:85,
txt:"zone 2"
},
{
gauche:548,
haut:284,
txt:"zone 3"
},
{
gauche:344,
haut:411,
txt:"zone 4"
},
]
function zoomi(config){
this.val=1
this.lf=config.largeur_image;
this.rf=config.hauteur_image;
this.obj=config.nom_objet;
this.elem=document.getElementById(config.div_conteneur);
var elmouse=((navigator.userAgent.indexOf("Firefox") != -1) ? 'DOMMouseScroll' : 'mousewheel')
this.elem.addEventListener(elmouse,this.dirizoom.bind(this),false);
this.elem.onmousedown=drg.deplacer.bind(this);
var largeur=1/this.lf;
var hauteur=1/this.rf;
for (var i = 0; i< obj_point.length; i++){
var pt=document.createElement("div")
pt.setAttribute("class","pt1")
pt.style.left=obj_point[i].gauche+'px';
pt.style.top=obj_point[i].haut+'px';
pt.setAttribute('rel',i);
pt.onmousemove=this.trap.bind(this);
pt.onmouseout=function(){this.suivi.style.display='none';}.bind(this);
pt.onclick=this.action.bind(this);
obj_point[i].elem=document.getElementById("divim").appendChild(pt);
obj_point[i].posi_pt_l=obj_point[i].gauche*largeur
obj_point[i].posi_pt_t=obj_point[i].haut*hauteur
}
var vid=document.createElement('div');
vid.style.position='absolute';
vid.style.display='none';
vid.style.background="#292929";
vid.style.color="white";
vid.style.borderRadius="3px";
vid.style.padding= "5px";
vid.style.maxWidth="150px";
var spa=document.createElement('span');
vid.appendChild(spa);
this.suivi=document.body.appendChild(vid);
}
zoomi.prototype.dirizoom=function(e){
e.preventDefault();
var delta = e.wheelDelta ? e.wheelDelta/120 : -e.detail/3;
this.val= delta< 0 ? this.val-0.1 : this.val+0.1;
var elem=this.elem;
var position = elem.getBoundingClientRect();
var largeur=1/position.width;
var hauteur=1/position.height;
var distance_g=e.clientX-position.left;
var distance_h=e.clientY-position.top;
var pourcent_l=largeur*distance_g
var pourcent_h=hauteur*distance_h
elem.style.width=(this.lf*this.val)+'px';
elem.style.height=(this.rf*this.val)+'px';
elem.style.left=distance_g-(elem.offsetWidth*pourcent_l)-(elem.parentNode.offsetLeft-position.left)+'px';
elem.style.top=distance_h-(elem.offsetHeight*pourcent_h)-(elem.parentNode.offsetTop-position.top)+'px';
//elem.style.left=-((lf*val)-lf)/2+'px'; //zoom centré
//elem.style.top=-((rf*val)-rf)/2+'px';
for (var i = 0; i< this.obj.length; i++){
this.obj[i].elem.style.left=this.obj[i].posi_pt_l*(this.lf*this.val)+'px';
this.obj[i].elem.style.top=this.obj[i].posi_pt_t*(this.rf*this.val)+'px';
this.obj[i].elem.style.height=15*this.val+"px";
this.obj[i].elem.style.width=15*this.val+"px";
this.obj[i].elem.style.borderRadius=(15*this.val)/2+"px";
}
}
zoomi.prototype.trap=function(evt){
evt =(!evt) ? window.event : evt;
var el=typeof window.addEventListener == 'undefined' ? event.srcElement : evt.currentTarget;
var XX =evt.pageX;
var YY =evt.pageY;
this.suivi.style.top=YY-20+'px';
this.suivi.style.left=XX+20+'px';
var chiffre=parseInt(el.getAttribute('rel'));
this.suivi.getElementsByTagName("span")[0].textContent=obj_point[chiffre].txt;
this.suivi.style.display='block';
}
zoomi.prototype.action=function(evt){
alert(evt.currentTarget.getAttribute("rel"))
}
var drg={
rar:true,
decx:0,
decy:0,
elem:"",
deplacer:function (e){
if(drg.rar && e.type=="mousedown"){
e.preventDefault();
drg.elem= e.currentTarget
drg.decx=e.pageX - drg.elem.offsetLeft
drg.decy=e.pageY - drg.elem.offsetTop
document.documentElement.addEventListener("mousemove", drg.posi, false)
document.getElementById('divim').addEventListener("mouseup", drg.deplacer, false)
drg.rar=false;
}
if(drg.rar==false && e.type=="mouseup"){
document.documentElement.removeEventListener("mousemove", drg.posi, false)
document.getElementById('divim').removeEventListener("mouseup", drg.deplacer, false)
drg.rar=true;
}
},
posi:function(e){
drg.elem.style.left=(e.pageX-drg.decx-drg.elem.parentNode.offsetLeft)+"px";
drg.elem.style.top=(e.pageY-drg.decy-drg.elem.parentNode.offsetTop)+"px";
}
}
addEventListener('load',function(){
var config={
div_conteneur:'divim',
largeur_image:838,
hauteur_image:600,
nom_objet:obj_point
}
new zoomi(config);
},
false);
</script>
</head>
<body>
<div id='conte'>
<div id='divim'></div>
</div>
</body>
</html> |
