javascript实现的图片切割多块效果实例

2024-05-06 16:19:34

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这篇文章主要介绍了javascript实现的图片切割多块效果,涉及javascript操作图片及css样式的技巧,需要的朋友可以参考下

本文实例讲述了javascript实现的图片切割多块效果。分享给大家供大家参考。具体实现方法如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ru">

<head>

<title></title>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<style type="text/css">

.line{

display:none;

z-index:1;

left:0;

top:0;

position:absolute;

}

#line1{

display:block;

}

.container{

position:relative;

width:564px;

height:294px;

overflow:hidden;

}

.border{

border:5px solid #000;

}

.corner{

position:absolute;

width:282px;

height:147px;

background:#ccc;

overflow:hidden;

}

.leftTop,.inLeftTop{

position:absolute;

left:0;

top:0;

right:auto;

bottom:auto;

}

.rightTop,.inRightTop{

position:absolute;

right:0;

top:0;

left:auto;

bottom:auto;

}

.rightBottom,.inRightBottom{

position:absolute;

right:0;

bottom:0;

top:auto;

left:auto;

}

.leftBottom,.inLeftBottom{

position:absolute;

left:0;

bottom:0;

top:auto;

right:auto;

}

</style>

</head>

<body>

<script src="jquery-1.6.2.min.js" type="text/javascript"></script>

<script type="text/javascript">

function crossLine(container,option,callback){

var lineX=$("<div style='width:2000px;height:4px;overflow:hidden;position:absolute;background:#FACC41;left:0;top:0;z-index:1'></div>");

var lineY=$("<div style='width:4px;height:2000px;overflow:hidden;position:absolute;background:#FACC41;left:0;top:0;z-index:1'></div>");

var _option={

"display":"none",

"targetPosX":container.width()/2-2,

"targetPosY":container.height()/2-2,

"time":500,

"freq":10

};

$.extend(_option,option);

option=_option;

var targetPosX=option.targetPosX;

var targetPosY=option.targetPosY;

var time=option.time;

var freq=option.freq;

times=time/freq;

container.append(lineX).append(lineY);

//开始运动

var lxt=lineX.position().top;

var lyl=lineY.position().left;

xPerTime=targetPosX/times;

yPerTime=targetPosY/times;

var count=0;

var si=setInterval(function(){

count++;

if(count>=times){

clearInterval(si);

if(typeof(callback)=="function"){

callback();

}

if(option.display=="none"){

lineX.remove();

lineY.remove();

}

}

if(lxt+yPerTime<=targetPosY){

lxt += yPerTime;

lineX.css("top",lxt);

}else{

lxt=targetPosY;

lineX.css("top",targetPosY);

}

if(lyl+xPerTime<=targetPosX){

lyl += xPerTime;

lineY.css("left",lyl);

}else{

lyl=targetPosX;

lineY.css("left",targetPosX);

}

},freq);

}

function picSplit(line1,line2,container,option){

//begin

line1.css("z-index",2);

/*

var targetX=282;

var targetY=147;

*/

var _option={

"targetX":container.width()/2,

"targetY":container.height()/2,

"time":500,

"freq":10

};

$.extend(_option,option);

option=_option;

var targetX=option.targetX;

var targetY=option.targetY;

var containerWidth=container.width();

var containerHeight=container.height();

/*

*复制四个，放入四个容器，置于四角，然后移动

*/

//div0-4 容器，放置于四角

var div0=$("<div></div>").css({"position":"absolute","left":0,"top":0,"right":"auto","bottom":"auto","width":targetX,"height":targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);

var div1=$("<div></div>").css({"position":"absolute","left":targetX,"top":0,"right":"auto","bottom":"auto","width":containerWidth-targetX,"height":targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);

var div2=$("<div></div>").css({"position":"absolute","left":targetX,"top":targetY,"right":"auto","bottom":"auto","width":targetX,"height":containerHeight-targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);

var div3=$("<div></div>").css({"position":"absolute","left":0,"top":targetY,"right":"auto","bottom":"auto","width":targetX,"height":containerHeight-targetY,"z-index":"2","overflow":"hidden"}).appendTo(container);

//tempL0-4复制出来的层

var tempL0=line1.clone().css({"position":"absolute","left":0,"top":0,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div0);

var tempL1=line1.clone().css({"position":"absolute","left":-targetX,"top":0,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div1);

var tempL2=line1.clone().css({"position":"absolute","left":-targetX,"top":-targetY,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div2);

var tempL3=line1.clone().css({"position":"absolute","left":0,"top":-targetY,"right":"auto","bottom":"auto","z-index":"2"}).appendTo(div3);

line1.css("display","none");

line2.css("display","block");

//开始运动

var time=option.time;

var freq=option.freq;

var times=time/freq;

var count=0;

var xLeftPerTime=3;

var xRightPerTime=3;

var yTopPerTime=3;

var yBottomPerTime=3;

var l0=div0.position().left;

var t0=div0.position().top;

var l1=div1.position().left;

var t1=div1.position().top;

var l2=div2.position().left;

var t2=div2.position().top;

var l3=div3.position().left;

var t3=div3.position().top;

var si=setInterval(function(){

count++;

if(count>=times){

clearInterval(si);

div0.remove();

div1.remove();

div2.remove();

div3.remove();

}

l0=l0-xLeftPerTime;

t0=t0-yTopPerTime;

l1=l1+xRightPerTime;

t1=t1-yTopPerTime;

l2=l2+xRightPerTime;

t2=t2+yBottomPerTime;

l3=l3-xLeftPerTime;

t3=t3+yBottomPerTime;

div0.css("left",(l0-xLeftPerTime)+"px");

div0.css("top",(t0-yTopPerTime)+"px");

div1.css("left",(l1+xRightPerTime)+"px");

div1.css("top",(t1-yTopPerTime)+"px");

div2.css("left",(l2+xRightPerTime)+"px");

div2.css("top",(t2+yBottomPerTime)+"px");

div3.css("left",(l3-xLeftPerTime)+"px");

div3.css("top",(t3+yBottomPerTime)+"px");

},freq);

}

</script>

<div class="container" id="container">

<div class="line" id="line1"><img src="http://static.house.sina.com.cn/apileju/cms/110819/1820432103.jpg" alt="" /></div>

<div class="line" id="line2"><img src="http://static.house.sina.com.cn/apileju/cms/110819/1110183294.jpg" alt="" /></div>

</div>

<input type="button" value="GO" onclick="javascript:go()" />

<script type="text/javascript">

var line1=$("#line1");

var line2=$("#line2");

line1.css("display","block");

var container=$("#container");

function go(){

var option={"display":"none"};

crossLine(container,option,gopicSplit);

}

var container=$("#container");

function gopicSplit(){

picSplit(line1,line2,container);

}

</script>

</body>

</html>