日期:2014-05-16 浏览次数:20736 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <meta http-equiv="imagetoolbar" content="no"> <title>热区图片拖拽</title> <script src="map.js" type="text/javascript"></script> <script type="text/javascript"> Number.prototype.NaN0=function(){return isNaN(this)?0:this;} var bDrag=false, mouseOffset=null; function getMouseOffset(o,e){ var _oPos=getPosition(o), _mPos=mouseCoords(e); return {x:_mPos.x-_oPos.x,y:_mPos.y-_oPos.y}; } function getPosition(o){ var left=0, top=0; while(o.offsetParent){ left+=o.offsetLeft+(o.currentStyle?(o.currentStyle.borderLeftWidth*1).NaN0():0); top +=o.offsetTop +(o.currentStyle?(o.currentStyle.borderTopWidth*1).NaN0():0); o=o.offsetParent; } left+=o.offsetLeft+(o.currentStyle?(o.currentStyle.borderLeftWidth*1).NaN0():0); top+=o.offsetTop+(o.currentStyle?(o.currentStyle.borderTopWidth*1).NaN0():0); return {x:left,y:top}; } function mouseCoords(e){ if(e.pageX||e.pageY){ return {x:e.pageX,y:e.pageY}; } return {x:e.clientX+document.body.scrollLeft-document.body.clientLeft,y:e.clientY+document.body.scrollTop-document.body.clientTop}; } onload=function(){ var oDrag=document.getElementById('aaa'); if(!oDrag) return; oDrag.onmousedown=function(e){ bDrag=true; e=e||window.event; mouseOffset=getMouseOffset(this,e); return false; } oDrag.onmousemove=function(e){ if(!bDrag)return; e=e||window.event; var _mPos = mouseCoords(e); oDrag.style.left=(_mPos.x - mouseOffset.x)+'px'; oDrag.style.top= (_mPos.y - mouseOffset.y)+'px'; return false; } oDrag.onmouseup=function(){ bDrag = false; mouseOffset=null;} var arm_img=document.getElementById('emergencyImg') cvi_map.add(arm_img,{areacolor: '#FFFF00', bordercolor: '#60F',nofade:'true' }); canvahtml=document.getElementById("emergencyImg_canvas").innerHTML; } /***************************缩放测试**************************************/ //已经成功缩放并且全部调整好,缩放后高亮也出现了。只是方法比较BT,你需要自己到map.js里找更好的方式 function aa(){ var o=document.getElementById('emergencyImg') cvi_map.remove(o); var W1=o.offsetWidth,H1=o.offsetHeight; var windowsWidth = document.documentElement.clientWidth * 0.7; var windowHeight = document.documentElement.clientHeight * 0.7; o.style.width=windowsWidth+'px';o.style.height=windowHeight+'px'; var W2=o.offsetWidth,H2=o.offsetHeight; var rW=W2/W1, rH=H2/H1; var areaLendth = document.getElementsByTagName('area').length; for(var k=0;k<areaLendth;k++){ var coords=document.getElementsByTagName('area')[k].getAttribute('coords'); var arrCoords=coords.split(','); for(var i=0;i<arrCoords.length;i++){ arrCoords[i]=i%2==0?parseInt(arrCoords[i]*rW):parseInt(arrCoords[i]*rH); } document.getElementsByTagName('area')[k].setAttribute('coords',arrCoords.join(',')) cvi_map.add(o,{areacolor: '#FFFF00', bordercolor: '#60F',nofade:'true' }); } } </script> </head> &