js 操绘制片的各种效果第一篇 _JavaScript

js 操作图片的各种效果第一篇

1，?图片的变形效果

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>无标题页</title>
</head>
<body>
    <p><font face="Arial" color="#008080">
    <div><p align="center">
    <img  style="filter:wave(add=0,freq=1,lightStrength=20,phase=50,strength=20)" src="LOGO1.gif" width="160" height="103"> 
    </p>    </div>    </font>
    <p align="center">这是图片的变形效果</p></font>
</body>
</html>

2，图片的翻转效果

<!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>
    <title>无标题页</title>
</head>
<body>
    <p><font face="Arial" color="#008080">
    <div><p align="center">
    <img style="filter:flipV" src="logo1.gif" width="160" height="103"> </p>
    </div>
    </font>
    <p align="center">这是图片的翻转效果</p></font>
</body>
</html>

3，图片的模糊效果

<!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>
    <title>无标题页</title>
</head>
<body>
    <p><font face="Arial" color="#008080">
    <div><p align="center">
    <img  style="filter:blur(add=0,direction=45,strength=10)" src="logo1.gif" width="160" height="103"> </p>
    </div>
    </font>
    <p align="center">这是图片的模糊效果</p></font>
</body>
</html>

4，图片的水印效果

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>无标题页</title>
</head>
<body>
    <p><font face="Arial" color="#008080">
    <div><p align="center">
    <img  style="filter:alpha(opacity=10,finishOpacity=10,style=10,startX=10,startY=10,finishX=20,finishY=30,add=0,direction=45,strength=10)" src="logo1.gif" width="160" height="103"> </p>
    </div>
    </font>
    <p align="center">这是图片的水印效果</p></font>
</body>
</html>

?5,图片的淡入淡出

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>标题页</title>
</head>
<body onLoad="fade()">
<img src="logo1.gif" name="img" border=0
alt="Image" style="filter:alpha(opacity=0)"> 
<script language="JavaScript">
var bOpa = 1;
var c = true;
function fade()
{
    if(document.all);
    if(c == true) {
      bOpa++;
    }
    if(bOpa==100) {   //透明度到100时，开始减少
      bOpa--;
    c = false         
    }
    if(bOpa==10) {   //透明度到10时，控制透明度增减的参数变为true
    bOpa++;
    c = true;
    }
    if(c == false) {  //控制透明度是加还是减
    bOpa--;
    }
    img.filters.alpha.opacity=0 + bOpa; //改变图像的透明度
    setTimeout("fade()",50);            //定时执行fade方法
}
</script></body>
</html>

6，图片的渐隐播放效果

<HTML>
<HEAD>
<TITLE>图像的渐隐播放效果</TITLE>
<script language=javaScript>
var strngth=1
var index_image=0
var imageSrc = new Array()
imageSrc[0] ="logo1.gif"
imageSrc[1] ="logo2.gif"
imageSrc[2] ="logo1.gif"
function showimage()   //显示图像
{ 
    if(document.all) {
    //创建一个带滤镜样式的img图像-注意显示的图像并不固定
    if (strngth <=110) {
    imagediv.innerHTML="<img style='filter:alpha(opacity="+strngth+")' src="+imageSrc[index_image]+" border=0>";
    strngth=strngth+10
    var timer=setTimeout("showimage()",100)    //每隔100豪秒就显示图像
    }
    else {
    clearTimeout(timer)
    var timer=setTimeout("hideimage()",1000)   //每隔1000豪秒就隐藏图像
    }
    }
    //是Netscape浏览器时的特效实现方法
    if(document.layers) {
    clearTimeout(timer)
    document.imagediv.document.write("<img src="+imageSrc[index_image]+" border=0>")
    document.close()
    index_image++
    if (index_image >= imageSrc.length) {index_image=0} 
    var timer=setTimeout("showimage()",2000)
    } 
}
function hideimage()  //隐藏图像
{ 
    if (strngth >=-10) {
    //设置图像逐渐消隐的滤镜效果-注意图像并不固定
    imagediv.innerHTML="<img style='filter:alpha(opacity="+strngth+")' src="+imageSrc[index_image]+" border=0>";
    strngth=strngth-10
    var timer=setTimeout("hideimage()",100)  //每隔100豪秒就隐藏图像
    } 
    else {
    clearTimeout(timer)
    index_image++
    if (index_image >= imageSrc.length) {index_image=0}
    strngth=1
    var timer=setTimeout("showimage()",500) //每隔500豪秒就显示图像
    }
}
</script>
</HEAD>
<body  onLoad="showimage()">
<div id="imagediv"  style="position:absolute;"></div>
</body>
</HTML>

?7，晃动的图片

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>晃动的图片</title>
<script language="JavaScript">
step = 0;
obj = new Image();        //创建图片对象
function anim(xp,xk,smer) //smer 代表晃动方向
{
   obj.style.left = x;
   x += step*smer;
  if (x>=(xk+xp)/2) {
    if (smer == 1) step--; //往左移动
       else step++;
    }
 else {
    if (smer == 1) step++; //往右移动
       else step--;
    }
 
 if (x >= xk) {      //如果已经到右边界，则反向晃动
       x = xk;
       smer = -1;
      }

  if (x <= xp) {   //如果一定到左边界，则反向晃动
       x = xp;
       smer = 1;
      }
  setTimeout('anim('+xp+','+xk+','+smer+')', 40); //设置定时器，实现不断晃动效果
}

function moveLR(objID,movingarea_width,c)
{

  if (navigator.appName=="Netscape") window_width = window.innerWidth;
     else window_width = document.body.offsetWidth;   //获取窗体的宽度
  obj = document.images[objID];   
  image_width = obj.width;                            //获取图像的宽度
  
  x1 = obj.style.left;                                //获取图像的X坐标
  x = Number(x1.substring(0,x1.length-2));            //去掉后面的像素标记“px”
  if (c == 0) {                                       
	   if (movingarea_width == 0) {                  //没有设置移动区域的情况
	   		right_margin = window_width - image_width;
	        anim(x,right_margin,1);                  //开始晃动图片
			}			
       	  else {
		    right_margin = x + movingarea_width - image_width;  
			if (movingarea_width < x + image_width) window.alert("No space for moving!");
     	  		else anim(x,right_margin,1);
		}
   }
   else {
       if (movingarea_width == 0)                                                     //没有设置移动区域的情况
          right_margin = window_width - image_width;
	   else {
		     x = Math.round((window_width-movingarea_width)/2);
			 right_margin = Math.round((window_width+movingarea_width)/2)-image_width;//获取可以移动的空间
		 }
		anim(x,right_margin,1);
   }     	
}
</script>
<img src="http://www.baidu.com/img/logo.gif" name="img1" style='position: absolute; top: 50px; left: 213px;' border=0 id="myImg"> 
<script language="JavaScript">
  setTimeout("moveLR('myImg',400,1)",10);
</script>
</head>
<body>
</body>
</html>

?8，文本域中可编辑的图片

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>New Page</title>
</head>
<body>
<textarea id=t1 cols=30 rows=3 ></textarea>
<img src="http://img.baidu.com/hi/logo-pb.gif"  id=img1>     
<script language="javascript">
t1.appendChild(img1)     //动态添加图片到文本区域
img1.UNSELECTABLE=true;  //取消图片的选中操作
</script>     
</body>
</html>

9，禁止图像复制

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>标题页</title>
    <script language="javascript">
    function noCopy(control)
    {
	alert("版权所有，禁止复制！");
	return false;
    }
    function check() 
    {
	if(document.images)  //遍历页面中的图像
	    for(i=0;i<document.images.length;i++)
		document.images[i].onmousedown = noCopy;
    }
    </script>
    
</head>
<body onload="check()">
<img src='' width=70 height=50 border=1 alt='我的图片'>
<div> 
 
</div>
    
</body>
</html>

10，图片随机像雪花一样飘下

<HTML><HEAD><TITLE>LOGO从上落下</TITLE>
<SCRIPT language=JavaScript>
//窗口改变时重新加载页面  -Netscape的浏览器
function MM_reloadPage(init) {  
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//窗口改变时重新加载页面  -IE浏览器
function MM_preloadImages() { 
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
  sjLayer.style.visibility='hidden';
  eslayer.style.visibility='hidden';
}

function MM_swapImgRestore() { 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_showHideLayers() {
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}
</SCRIPT>
</HEAD>
<BODY  >
<SCRIPT language=JavaScript>
//判断浏览器
var ns4up = (document.layers) ? 1 : 0;  
var ie4up = (document.all) ? 1 : 0;
var no = 3;                             // 显示的图像数量
var speed = 20;                         // 图像移动的速度
var snowflake ="LOGO1.gif";      //图像地址
var filen = "http://www.baidu.com"         	            // 单击图像时的链接
var dx, xp, yp;                        
var am, stx, sty;                      
var i, doc_width = 400, doc_height = 600;
if (ns4up) {
doc_width = self.innerWidth;
doc_height = self.innerHeight;
} else if (ie4up) {
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight;
}
dx = new Array();
xp = new Array();
yp = new Array();
am = new Array();
stx = new Array();
sty = new Array();
for (i = 0; i < no; ++ i) 
{  
dx[i] = 0;                             // set coordinate variables
xp[i] = Math.random()*(doc_width-50);  // set position variables
yp[i] = Math.random()*doc_height;
am[i] = Math.random()*20;              // set amplitude variables
stx[i] = 0.02 + Math.random()/10;      // set step variables
sty[i] = 0.7 + Math.random();          // set step variables
if (ns4up) {                           // set layers
if (i == 0) {
document.write("<html><title></title><body>");
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
document.write("top=\"15\" visibility=\"show\"><A href=\"" + filen + "\" target=\"_blank\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></layer>");
document.write("</body></html>");
} else {
document.write("<html><title></title><body>");
document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
document.write("top=\"15\" visibility=\"show\"><A href=\"" + filen + "\" target=\"_blank\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></layer>");
document.write("</body></html>");
}
} else if (ie4up) {
if (i == 0) {
document.write("<html><title></title><body>");
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\"><a href=\""+filen+"\" target=\"_blank\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></div>");
document.write("</body></html>");
} else {
document.write("<html><title></title><body>");
document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\"><a href=\""+filen+"\" target=\"_blank\"><img src=\"");
document.write(snowflake + "\" border=\"0\"></div>");
document.write("</body></html>");
}
}
}
//实现Netscape浏览器中动画效果的方法
function snowNS() { 
    for (i = 0; i < no; ++ i) 
    { 
        yp[i] += sty[i];
        if (yp[i] > doc_height-50) {
        xp[i] = Math.random()*(doc_width-am[i]-30);
        yp[i] = 0;
        stx[i] = 0.02 + Math.random()/10;
        sty[i] = 0.7 + Math.random();
        doc_width = self.innerWidth;
        doc_height = self.innerHeight;
        }
        dx[i] += stx[i];
        //指定图像的显示位置：x和y坐标
        document.layers["dot"+i].top = yp[i];
        document.layers["dot"+i].left = xp[i] + am[i]*Math.sin(dx[i]);
    }
    setTimeout("snowNS()", speed);
}
//实现IE浏览器中动画效果的方法
function snowIE() 
{  
    //判断图像的数量
    for (i = 0; i < no; ++ i) {  
        yp[i] += sty[i];
        if (yp[i] > doc_height-50) {
        xp[i] = Math.random()*(doc_width-am[i]-30);
        yp[i] = 0;
        stx[i] = 0.02 + Math.random()/10;
        sty[i] = 0.7 + Math.random();
        //重新获取文档的高度和宽度
        doc_width = document.body.clientWidth;
        doc_height = document.body.clientHeight;
        }
        dx[i] += stx[i];
        //指定图像的显示位置：x和y坐标
        document.all["dot"+i].style.pixelTop = yp[i];
        document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);
    }
    setTimeout("snowIE()", speed);  //根据速度循环执行动画方法
}
//判断浏览器类型，并调用不同的动画方法
if (ns4up) {
 snowNS();
} else if (ie4up) {
 snowIE();
}
</SCRIPT>
</TABLE>
</BODY></HTML>

js 操绘制片的各种效果 第一篇

js 操绘制片的各种效果第一篇