我是插件小菜鸟-图片自适应窗体大小
分享一个插件
示例HTML文件：
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<!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};} var oDrag=document.getElementById('aaa'); if(!oDrag) return; oDrag. bDrag=true; e=e||window.event; mouseOffset=getMouseOffset(this,e); return false; } oDrag. 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. 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><body> <div id=aaa style="_position:relative;text-align:center;margin:auto auto;"> <img id="emergencyImg" src="autoResizeMap.png" border="0" width="1226" height="620" orgWidth="1226" orgHeight="620" usemap="#emergencyMap" alt="" /> <map name="emergencyMap" id="emergencyMap"> <area alt="" title="火灾事故专项应急预案详情" href="" shape="rect" coords="59,284,96,580" style="outline:none;" target="_blank" /> <area alt="" title="自然灾害专项应急预案" href="" shape="rect" coords="107,284,144,580" style="outline:none;" target="_blank" /> <area alt="" title="特种设备事故专项应急预案" href="" shape="rect" coords="152,284,189,580" style="outline:none;" target="_blank" /> <area alt="" title="机械伤害事故专项应急预案详情" href="" shape="rect" coords="197,284,234,580" style="outline:none;" target="_blank" /> <area alt="" title="触电事故专项应急预案详情" href="" shape="rect" coords="245,284,282,580" style="outline:none;" target="_blank" /> <area alt="" title="窒息专项应急预案详情" href="" shape="rect" coords="293,284,330,580" style="outline:none;" target="_blank" /> <area alt="" title="高处坠落事故专项应急预案详情" href="" shape="rect" coords="342,284,379,580" style="outline:none;" target="_blank" /> <area alt="" title="突发停电事故专项应急预案详情" href="" shape="rect" coords="392,284,429,580" style="outline:none;" target="_blank" /> <area alt="" title="食物中毒事件专项应急预案详情" href="" shape="rect" coords="438,284,475,580" style="outline:none;" target="_blank" /> <area alt="" title="突发性安全事件专项应急预案详情" href="" shape="rect" coords="488,284,525,580" style="outline:none;" target="_blank" /> <area alt="" title="流行性传染病专项应急预案详情" href="" shape="rect" coords="535,284,572,580" style="outline:none;" target="_blank" /> <area shape="rect" coords="1224,618,1226,620" alt="Image Map" style="outline:none;" title="Image Map" href="http://www.image-maps.com/index.php?aff=mapped_users_11407" /> </map> </div> <input type=button value='测试缩放' /> </body></html> |
使用的JS插件：
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var canvascheck = document.createElement('canvas');var isIE = window.navigator.systemLanguage&&(!document.documentMode||document.documentMode<9)?1:0;var isI8 = isIE&&document.documentMode?1:0;var isVM = isIE&&document.namespaces?1:0;var isCV = canvascheck.getContext?1:0;var isJG = 0, jg = new Array();var canvahtml;function showCoords(map,ele,x,y,w,h) {}function getClassValue(classes,string){ var temp = 0; var pos = string.length; for (var j=0;j<classes.length;j++) { if (classes[j].indexOf(string) == 0) { temp = Math.min(classes[j].substring(pos),100); break; } } return Math.max(0,temp);}function getClassRGBColor(classes,string,color){ var temp, val = color, pos = string.length; for (var j=0;j<classes.length;j++) { if (classes[j].indexOf(string) == 0) { temp = classes[j].substring(pos); val = temp.toLowerCase(); break; } } if(!val.match(/^[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)) {val = color||'000000'; } if(!isCV) {return val; }else { function hex2dec(hex){return(Math.max(0,Math.min(parseInt(hex,16),255)));} var cr=hex2dec(val.substr(0,2)),cg=hex2dec(val.substr(2,2)),cb=hex2dec(val.substr(4,2)); return cr+','+cg+','+cb; }}function performRGBColor(val,color){ if(!val.match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)) {val = color||'#000000'; } if(!isCV) {return val.substr(1,6); }else { function hex2dec(hex){return(Math.max(0,Math.min(parseInt(hex,16),255)));} var cr=hex2dec(val.substr(1,2)),cg=hex2dec(val.substr(3,2)),cb=hex2dec(val.substr(5,2)); return cr+','+cg+','+cb; }} function getClassAttribute(classes,string){ var temp = 0; var pos = string.length; for (var j=0;j<classes.length;j++) { if (classes[j].indexOf(string) == 0) { temp = 1; break; } } return temp;}function fadeCanvas(id,opac) { var obj = document.getElementById(id); if(obj.fading==1 && opac<=100) { obj.style.opacity = opac/100; opac += 10; window.setTimeout("fadeCanvas('"+id+"',"+opac+")",10); }}function setAreaOver(obj,id,bd,co,op,nb,f,z) { var a, i, j, d, c, o, b, n, l, r, v, u, x, y, p, context, k = 0, t = '', r = obj.getAttribute('rel'), canvas = document.getElementById(id); if(r!=null) {d = r.split(","); v = d.unshift(obj.id); }else {d = new Array(obj.id); } function setAttr() { if(l.indexOf('forcegroup')!=-1) {k = getClassAttribute(u,"forcegroup");}else {k=0;} if(l.indexOf('iopacity')!=-1) {o = getClassValue(u,"iopacity")/100;}else {o=op;} if(l.indexOf('iborder')!=-1) {b = getClassRGBColor(u,"iborder",bd);}else {b=bd;} if(l.indexOf('icolor')!=-1) {c = getClassRGBColor(u,"icolor",co);}else {c=co;} if(l.indexOf('noborder')!=-1) {n = getClassAttribute(u,"noborder");}else {n=nb;} } if(isVM) { for(a=0;a<d.length;a++) { obj = document.getElementById(d[a]); p = '', l = obj.className, u = l.split(" "), v = obj.coords.split(","); if(k==0) {setAttr();} if(obj.shape.toLowerCase()=='rect') { t += '<v:rect unselectable="on" strokeweight="1" filled="t" stroked="'+(n<1?"t":"f")+'" strokecolor="#'+b+'" style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:'+parseInt(v[0])+'px;top:'+parseInt(v[1])+'px;width:'+parseInt(v[2]-v[0])+'px;height:'+parseInt(v[3]-v[1])+'px;"><v:fill color="#'+c+'" opacity="'+o+'" /></v:rect>'; }else if(obj.shape.toLowerCase()=='circle') { t += '<v:oval unselectable="on" strokeweight="1" filled="t" stroked="'+(n<1?"t":"f")+'" strokecolor="#'+b+'" style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:'+parseInt(v[0]-v[2])+'px;top:'+parseInt(v[1]-v[2])+'px;width:'+(parseInt(v[2])*2)+'px;height:'+(parseInt(v[2])*2)+'px;"><v:fill color="#'+c+'" opacity="'+o+'" /></v:oval>'; }else { for(j=2;j<v.length;j+=2) {p += parseInt(v[j])+','+parseInt(v[j+1])+',';} t += '<v:shape unselectable="on" strokeweight="1" filled="t" stroked="'+(n<1?"t":"f")+'" strokecolor="#'+b+'" coordorigin="0,0" coordsize="'+canvas.width+','+canvas.height+'" path="m '+parseInt(v[0])+','+parseInt(v[1])+' l '+p+' x e" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:0px;left:0px;width:'+canvas.width+'px;height:'+canvas.height+'px;"><v:fill color="#'+c+'" opacity="'+o+'" /></v:shape>'; } } canvas.innerHTML += t; }else if(isCV) { if(f<1) {canvas.fading = 0; canvas.style.opacity = 0;} context = canvas.getContext("2d"); for(a=0;a<d.length;a++) { obj = document.getElementById(d[a]); l = obj.className, u = l.split(" "), v = obj.coords.split(","); if(k==0) {setAttr();} context.beginPath(); if(obj.shape.toLowerCase()=='rect') { context.rect(0.5+parseInt(v[0]),0.5+parseInt(v[1]),parseInt(v[2]-v[0]),parseInt(v[3]-v[1])); context.closePath(); }else if(obj.shape.toLowerCase()=='circle') { context.arc(0.5+parseInt(v[0]),0.5+parseInt(v[1]),parseInt(v[2]),0,(Math.PI/180)*360,false); }else { context.moveTo(parseInt(v[0]),parseInt(v[1])); for(j=2;j<v.length;j+=2) {context.lineTo(parseInt(v[j]),parseInt(v[j+1]));} context.closePath(); } context.fillStyle = 'rgba('+c+','+o+')'; context.strokeStyle = 'rgba('+b+',1)'; context.fill(); if(n<1) {context.stroke();} } if(f<1) {canvas.fading = 1; fadeCanvas(id,0);} }else { o = op; l = obj.className; u = l.split(" "); if(l.indexOf('forcegroup')!=-1) { k = getClassAttribute(u,"forcegroup"); if(k!=0) {if(l.indexOf('iopacity')!=-1) {o = getClassValue(u,"iopacity")/100; k=0;}}} if(isIE) {canvas.style.filter = "Alpha(opacity="+(o*100)+")";}else {canvas.style.opacity = o; canvas.style.MozOpacity = o; canvas.style.KhtmlOpacity = o;} for(a=0;a<d.length;a++) { obj = document.getElementById(d[a]); l = obj.className, u = l.split(" "), v = obj.coords.split(","); if(k==0) { if(l.indexOf('forcegroup')!=-1) {k = getClassAttribute(u,"forcegroup");}else {k=0;} if(l.indexOf('icolor')!=-1) {c = getClassRGBColor(u,"icolor",co);}else {c=co;} } jg[z].setColor("#"+c); if(obj.shape.toLowerCase()=='rect') { jg[z].fillRect(parseInt(v[0]),parseInt(v[1]),parseInt(v[2]-v[0])+1,parseInt(v[3]-v[1])+1); }else if(obj.shape.toLowerCase()=='circle') { jg[z].fillEllipse(parseInt(v[0]-v[2]),parseInt(v[1]-v[2]),parseInt(v[2])*2+1,parseInt(v[2])*2+1); }else {x = new Array(); y = new Array(); i = 0; for(j=0;j<v.length;j+=2) {x[i] = parseInt(v[j]); y[i] = parseInt(v[j+1]); i++;} jg[z].fillPolygon(x,y); } jg[z].paint(); } }}function setAreaOut(obj,id,f,z) { var canvas = document.getElementById(id); if(isVM) { //var cn=canvas.childNodes; //canvas.removeChild(cn.item(cn.length-1)); canvas.innerHTML=canvahtml; } else if(isJG) {jg[z].clear();}else if(isCV) { var context = canvas.getContext("2d"); context.clearRect(0,0,canvas.width,canvas.height); }}function extAreaOver(image,area) { var img = document.getElementById(image); var obj = document.getElementById(area); var cav = document.getElementById(img.canvasid); var bc = performRGBColor(img.options['bordercolor'],'#0000ff'); var ac = performRGBColor(img.options['areacolor'],'#000000'); var op = img.options['opacity']/100; if(img && obj && cav) setAreaOver(obj,img.canvasid,bc,ac,op,img.options['noborder'],img.options['nofade'],img.jg);}function extAreaOut(image,area) { var img = document.getElementById(image); var obj = document.getElementById(area); var cav = document.getElementById(img.canvasid); if(img && obj && cav) setAreaOut(obj,img.canvasid,img.options['nofade'],img.jg);}function getCoords(e,n,a,i,x,y,w,h,pw,ph) { var t, o, ox, oy, ex, ey, cx, cy, px=0, py=0; if (!e) {e = window.event; } if (e.pageX || e.pageY) {px = e.pageX; py = e.pageY;} ex = e.clientX; ey = e.clientY; if(self.pageXOffset||self.pageYOffset) { ox = self.pageXOffset; if(ox>0 && px==ex) {ex -= ox; } oy = self.pageYOffset; if(oy>0 && py==ey) {ey -= oy; } }else if(document.documentElement) { ox = document.documentElement.scrollLeft; oy = document.documentElement.scrollTop; }else if(document.body) { ox = document.body.scrollLeft; oy = document.body.scrollTop; } if(document.body.scrollHeight!=ph||document.body.scrollWidth!=pw) { var o = document.getElementById(i); var t = findPosXY(o); x = t.x; y = t.y; } cx = Math.min(Math.max(ex+ox-x,0),w); cy = Math.min(Math.max(ey+oy-y,0),h); showCoords(n,a,cx,cy,w,h);}function findPosXY(ele) { var t; var d = {x:ele.offsetLeft, y:ele.offsetTop }; if(ele.offsetParent) { t = findPosXY(ele.offsetParent); d.x += t.x; d.y += t.y;} return d;}function roundedRect(ctx,x,y,width,height,radius,nopath){ if (!nopath) ctx.beginPath(); ctx.moveTo(x,y+radius); ctx.lineTo(x,y+height-radius); ctx.quadraticCurveTo(x,y+height,x+radius,y+height); ctx.lineTo(x+width-radius,y+height); ctx.quadraticCurveTo(x+width,y+height,x+width,y+height-radius); ctx.lineTo(x+width,y+radius); ctx.quadraticCurveTo(x+width,y,x+width-radius,y); ctx.lineTo(x+radius,y); ctx.quadraticCurveTo(x,y,x,y+radius); if (!nopath) ctx.closePath();}function getRadius(radius,width,height){ var part = (Math.min(width,height)/100); radius = Math.max(Math.min(100,radius/part),0); return radius + '%';}var cvi_map = { defaultRadius : 0, defaultOpacity : 33, defaultBordercolor : '#0000ff', defaultAreacolor : '#000000', defaultNoborder : false, defaultNofade : false, defaultShowcoords : false, defaultImgsrc : '', defaultMapid : '', defaultDelayed : false, add: function(image, options) { var w=image.offsetWidth; var h=image.offsetHeight; var map, mapname = image.useMap.split("#"); if(mapname[1]!=''&&mapname[1].length>=1) {map = document.getElementsByName(mapname[1])[0];} if(image.tagName.toUpperCase() == "IMG" && map) { var defopts = { "radius" : cvi_map.defaultRadius, "opacity" : cvi_map.defaultOpacity, "bordercolor" : cvi_map.defaultBordercolor, "areacolor" : cvi_map.defaultAreacolor, "noborder" : cvi_map.defaultNoborder, "nofade" : cvi_map.defaultNofade, "showcoords" : cvi_map.defaultShowcoords, "imgsrc" : cvi_map.defaultImgsrc, "mapid" : cvi_map.defaultMapid, "delayed" : cvi_map.defaultDelayed }; if(options) { for(var i in defopts) { if(!options[i]) { options[i] = defopts[i]; }} }else { options = defopts; } var imageWidth = ('iwidth' in options) ? parseInt(options.iwidth) : image.width; var imageHeight = ('iheight' in options) ? parseInt(options.iheight) : image.height; try { var object = image.parentNode; object.style.position = (object.style.position=='static'||object.style.position==''?'relative':object.style.position); object.style.height = image.height+'px'; object.style.width = image.width+'px'; object.style.padding = 0+'px'; object.style.MozUserSelect = "none"; object.style.KhtmlUserSelect = "none"; object.unselectable = "on"; var blind, bgrnd, canvas; image.jg = 0; if(isVM) { if(document.namespaces['v']==null) { var e=["shape","shapetype","group","background","path","formulas","handles","fill","stroke","shadow","textbox","textpath","imagedata","line","polyline","curve","roundrect","oval","rect","arc","image"],s=document.createStyleSheet(); for(var i=0; i<e.length; i++) {s.addRule("v\\:"+e[i],"behavior: url(#default#VML);");} document.namespaces.add("v","urn:schemas-microsoft-com:vml"); } canvas = document.createElement(['<var style="zoom:1;overflow:hidden;display:block;width:'+image.width+'px;height:'+image.height+'px;padding:0;">'].join('')); bgrnd = document.createElement(['<var style="zoom:1;overflow:hidden;display:block;width:'+image.width+'px;height:'+image.height+'px;padding:0;">'].join('')); dummy = document.createElement(['<var style="zoom:1;overflow:hidden;display:block;width:'+image.width+'px;height:'+image.height+'px;padding:0;">'].join(''));// NEW }else if(isCV) { canvas = document.createElement('canvas'); bgrnd = document.createElement('canvas'); }else { canvas = document.createElement('div'); bgrnd = document.createElement('img'); bgrnd.src = image.src; if(typeof(window['jsGraphics']) !== 'undefined') { image.jg = parseInt(jg.length); jg[image.jg] = new jsGraphics(canvas); isJG = 1; } } canvas.id = image.id+'_canvas'; canvas.style.height = image.height+'px'; canvas.style.width = image.width+'px'; canvas.height = image.height; canvas.width = image.width; canvas.left = 0; canvas.top = 0; canvas.style.position = 'absolute'; canvas.style.left = 0+'px'; canvas.style.top = 0+'px'; canvas.fading = 0; image.className = ''; image.style.cssText = ''; image.left = 0; image.top = 0; image.style.position = 'absolute'; /***********这里***************/ image.style.height = h+'px'; image.style.width = w+'px'; /***************************/ image.style.left = 0+'px'; image.style.top = 0+'px'; image.style.MozUserSelect = "none"; image.style.KhtmlUserSelect = "none"; image.unselectable = "on"; image.options = options; image.canvasid = image.id+'_canvas'; image.dummyid = image.id+'_dummy'; // NEW image.bgrndid = image.id+'_image'; image.blindid = map.name+'_blind'; image.mapname = map.name; image.areas = map.innerHTML; image.active = false; if(isIE) {image.style.filter = "Alpha(opacity=0)";}else {image.style.opacity = 0; image.style.MozOpacity = 0; image.style.KhtmlOpacity = 0;} bgrnd.id = image.bgrndid; bgrnd.left = 0; bgrnd.top = 0; bgrnd.style.position = 'absolute'; bgrnd.style.height = image.height+'px'; bgrnd.style.width = image.width+'px'; bgrnd.style.left = 0+'px'; bgrnd.style.top = 0+'px'; bgrnd.height = image.height; bgrnd.width = image.width; blind = document.createElement('div'); blind.id = image.blindid; blind.className = "blind_area"; blind.left = 0; blind.top = 0; blind.style.position = 'absolute'; blind.style.height = image.height+'px'; blind.style.width = image.width+'px'; blind.style.left = 0+'px'; blind.style.top = 0+'px'; blind.innerHTML = " "; object.insertBefore(canvas,image); object.insertBefore(bgrnd,canvas); object.insertBefore(blind,image); cvi_map.modify(image, options); } catch (e) {} } }, modify: function(image, options) { try { var radius = (typeof options['radius']=='number'?options['radius']:image.options['radius']); image.options['radius']=radius; var opacity = (typeof options['opacity']=='number'?options['opacity']:image.options['opacity']); image.options['opacity']=opacity; var bcolor = (typeof options['bordercolor']=='string'?options['bordercolor']:image.options['bordercolor']); image.options['bordercolor']=bcolor; var acolor = (typeof options['areacolor']=='string'?options['areacolor']:image.options['areacolor']); image.options['areacolor']=acolor; var noborder = (typeof options['noborder']=='boolean'?options['noborder']:image.options['noborder']); image.options['noborder']=noborder; var nofade = (typeof options['nofade']=='boolean'?options['nofade']:image.options['nofade']); image.options['nofade']=nofade; var showcoords = (typeof options['showcoords']=='boolean'?options['showcoords']:image.options['showcoords']); image.options['showcoords']=showcoords; var delayed = (typeof options['delayed']=='boolean'?options['delayed']:image.options['delayed']); image.options['delayed']=delayed; var imgsrc = (typeof options['imgsrc']=='string'?options['imgsrc']:image.options['imgsrc']); image.options['imgsrc']=imgsrc; var mapid = (typeof options['mapid']=='string'?options['mapid']:image.options['mapid']); image.options['mapid']=mapid; /*******************还有这里***************************************/ var context, func, ih = image.offsetHeight, iw = image.offsetWidth; /*******************************************************************/ var radius = parseInt(Math.min(Math.min(iw/4,ih/4),radius)); var opacity = opacity==0?0.33:opacity/100; var bcolor = performRGBColor(bcolor,'#0000ff'); var acolor = performRGBColor(acolor,'#000000'); var canvas = document.getElementById(image.canvasid); var dummy = document.getElementById(image.dummyid); var bgrnd = document.getElementById(image.bgrndid); var map = document.getElementsByName(image.mapname)[0]; var opac = 100; function replace() { if(mapid!='') { var tmp = document.getElementById(mapid); if(tmp) {map.innerHTML = tmp.innerHTML;} }else { map.innerHTML = image.areas; } } function prepare() { if(!delayed) {replace();} for(var j=0;j<map.areas.length;j++) { if(map.areas[j].shape.match(/(rect|poly|circle)/i)) { if(window.opera||map.areas[j].coords!='') { if(map.areas[j].id=='') {map.areas[j].id = image.mapname+'_'+j;} if(isVM||isIE) { setAreaOver(map.areas[j],canvas.id,"#FFFFFF","#FFFF00","0.4","true",nofade,image.jg); func=map.areas[j]. if(func!=null) {tmp=String(func); func=(tmp.indexOf('function')>=0?tmp.match(/\{([^}]+)\}/):tmp); func=(typeof(func)=='object'?func[1]:func);} map.areas[j]. = new Function('setAreaOver(this,"'+canvas.id+'","'+bcolor+'","'+acolor+'",'+opacity+','+noborder+','+nofade+','+image.jg+');'+func); func=map.areas[j]. if(func!=null) {tmp=String(func); func=(tmp.indexOf('function')>=0?tmp.match(/\{([^}]+)\}/):tmp); func=(typeof(func)=='object'?func[1]:func);} map.areas[j]. = new Function('setAreaOut(this,"'+canvas.id+'",'+nofade+','+image.jg+');'+func); }else { func = map.areas[j].getAttribute(" map.areas[j].setAttribute("onmouseover","setAreaOver(this,'"+canvas.id+"','"+bcolor+"','"+acolor+"',"+opacity+","+noborder+","+nofade+","+image.jg+");"+func); func = map.areas[j].getAttribute(" map.areas[j].setAttribute("onmouseout","setAreaOut(this,'"+canvas.id+"',"+nofade+","+image.jg+");"+func); } } } } if(showcoords) { var atr, t = findPosXY(image), ph = document.body.scrollHeight, pw = document.body.scrollWidth; if(isVM||isIE) { image. = new Function('getCoords(event,"'+image.mapname+'",0,"'+image.id+'",'+t.x+','+t.y+','+iw+','+ih+','+pw+','+ph+');'+image.movefunc); }else { image.setAttribute("onmousemove","getCoords(event,'"+image.mapname+"',0,'"+image.id+"',"+t.x+","+t.y+","+iw+","+ih+","+pw+","+ph+");"+image.movefunc); } if(map.length>0) { for(var j=0;j<map.areas.length;j++) { if(map.areas[j].shape.match(/(rect|poly|circle)/i)) { if(window.opera||map.areas[j].coords!='') { atr = map.areas[j].id; if(isVM||isIE) { func=map.areas[j]. if(func!=null) {tmp=String(func); func=(tmp.indexOf('function')>=0?tmp.match(/\{([^}]+)\}/):tmp); func=(typeof(func)=='object'?func[1]:func);} map.areas[j]. = new Function('getCoords(event,"'+image.mapname+'","'+atr+'","'+image.id+'",'+t.x+','+t.y+','+iw+','+ih+','+pw+','+ph+');'+func); }else { func = map.areas[j].getAttribute(" map.areas[j].setAttribute("onmousemove","getCoords(event,'"+image.mapname+"','"+atr+"','"+image.id+"',"+t.x+","+t.y+","+iw+","+ih+","+pw+","+ph+");"+func); } } } } } } } if(canvas && bgrnd && map) { if(isCV) { context = canvas.getContext("2d"); context.clearRect(0,0,canvas.width,canvas.height); }else if(isVM) { canvas.innerHTML = ''; }else { if(isIE) {canvas.style.filter = "Alpha(opacity="+(opacity*100)+")";}else { canvas.style.opacity = opacity; canvas.style.MozOpacity = opacity; canvas.style.KhtmlOpacity = opacity;} if(isJG) {jg[image.jg].clear();} } if(delayed) {replace(); } if(isCV) { if(imgsrc!='') { var img = new Image(); img.onload = function() { context = bgrnd.getContext("2d"); context.clearRect(0,0,bgrnd.width,bgrnd.height); context.save(); if(radius>0) { roundedRect(context,0,0,bgrnd.width,bgrnd.height,radius); context.clip(); } context.fillStyle = 'rgba(0,0,0,0)'; context.fillRect(0,0,bgrnd.width,bgrnd.height); context.drawImage(img,0,0,bgrnd.width,bgrnd.height); context.restore(); prepare(); } img.src = imgsrc; }else { context = bgrnd.getContext("2d"); context.clearRect(0,0,bgrnd.width,bgrnd.height); context.save(); if(radius>0) { roundedRect(context,0,0,bgrnd.width,bgrnd.height,radius); context.clip(); } context.fillStyle = 'rgba(0,0,0,0)'; context.fillRect(0,0,bgrnd.width,bgrnd.height); context.drawImage(image,0,0,bgrnd.width,bgrnd.height); context.restore(); prepare(); } }else if(isVM) { if(radius>0) {radius = getRadius(radius,bgrnd.width,bgrnd.height);} bgrnd.innerHTML = '<v:roundrect arcsize="'+radius+'" strokeweight="0" filled="t" stroked="f" fillcolor="#ffffff" style="zoom:1;margin:0;padding:0;display:block;position:absolute;left:0px;top:0px;width:'+bgrnd.width+'px;height:'+bgrnd.height+'px;"><v:fill src="'+(imgsrc!=''?imgsrc:image.src)+'" type="frame" /></v:roundrect>'; prepare(); }else { bgrnd.src = imgsrc!=''?imgsrc:image.src; prepare(); } image.active = true; if(isVM||isIE) { func = image. if(func!=null) {tmp=String(func); func=(tmp.indexOf('function')>=0?tmp.match(/\{([^}]+)\}/):tmp); func=(typeof(func)=='object'?func[1]:func);} image.movefunc = func; }else { image.movefunc = image.getAttribute(" } } } catch (e) {} }, remove : function(image) { var ele, object = image.parentNode; if(image.active) { if(isIE) { image.style.filter = "Alpha(opacity=100)";}else {image.style.opacity = 100; image.style.MozOpacity = 100; image.style.KhtmlOpacity = 100;} ele = document.getElementsByName(image.mapname)[0]; ele.innerHTML = image.areas; image.active = false; image.areas = ''; if(isVM||isIE) {image. = image.movefunc;}else {image.setAttribute("onmousemove",image.movefunc);} ele = document.getElementById(image.canvasid); if(ele) {object.removeChild(ele);} ele = document.getElementById(image.blindid); if(ele) {object.removeChild(ele);} ele = document.getElementById(image.bgrndid); if(ele) {object.removeChild(ele);} } }} |
显示的效果图：
本文出自 “尘风随影的天空” 博客，请务必保留此出处http://genuinecx.blog.51cto.com/2890523/1394402
