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超酷超绚精美图片展示效果代码(一)

<!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" />
<title>超酷超绚精美图片展示效果代码(一) - 好主机自助建站-网页特效代码|letgo.com.cn|</title>
<meta http-equiv="imagetoolbar" content="no">
<style type="text/css">
 html {
  overflow: hidden;
 }
 body {
  margin: 0px;
  padding: 0px;
  background: #000;
  width: 100%;
  height: 100%;
 }
 #imageFlow {
  position: absolute;
  width: 100%;
  height: 80%;
  left: 0%;
  top: 10%;
  background: #000;
 }
 #imageFlow .diapo {
  position: absolute;
  left: -1000px;
  cursor: pointer;
  -ms-interpolation-mode: nearest-neighbor;
 }
 #imageFlow .link {
  border: dotted #fff 1px;
  margin-left: -1px;
  margin-bottom: -1px;
 }
 #imageFlow .bank {
  visibility: hidden;
 }
 #imageFlow .top {
  position: absolute;
  width: 100%;
  height: 40%;
  background: #181818;
 }
 #imageFlow .text {
  position: absolute;
  left: 0px;
  width: 100%;
  bottom: 16%;
  text-align: center;
  color: #FFF;
  font-family: verdana, arial, Helvetica, sans-serif;
  z-index: 1000;
 }
 #imageFlow .title {
  font-size: 0.9em;
  font-weight: bold;
 }
 #imageFlow .legend {
  font-size: 0.8em;
 }
 #imageFlow .scrollbar {
  position: absolute;
  left: 10%;
  bottom: 10%;
  width: 80%;
  height: 16px;
  z-index: 1000;
 }
 #imageFlow .track {
  position: absolute;
  left: 1%;
  width: 98%;
  height: 16px;
  filter: alpha(opacity=30);
  opacity: 0.3;
 }
 #imageFlow .arrow-left {
  position: absolute;
 }
 #imageFlow .arrow-right {
  position: absolute;
  right: 0px;
 }
 #imageFlow .bar {
  position: absolute;
  height: 16px;
  left: 25px;
 }
</style>
<script type="text/javascript">

var imf = function () {
 var lf = 0;
 var instances = [];
 function getElementsByClass (object, tag, className) {
  var o = object.getElementsByTagName(tag);
  for ( var i = 0, n = o.length, ret = []; i < n; i++)
   if (o[i].className == className) ret.push(o[i]);
  if (ret.length == 1) ret = ret[0];
  return ret;
 }
 function addEvent (o, e, f) {
  if (window.addEventListener) o.addEventListener(e, f, false);
  else if (window.attachEvent) r = o.attachEvent('on' + e, f);
 }
 function createReflexion (cont, img) {
  var flx = false;
  if (document.createElement("canvas").getContext) {
   flx = document.createElement("canvas");
   flx.width = img.width;
   flx.height = img.height;
   var context = flx.getContext("2d");
   context.translate(0, img.height);
   context.scale(1, -1);
   context.drawImage(img, 0, 0, img.width, img.height);
   context.globalCompositeOperation = "destination-out";
   var gradient = context.createLinearGradient(0, 0, 0, img.height * 2);
   gradient.addColorStop(1, "rgba(255, 255, 255, 0)");
   gradient.addColorStop(0, "rgba(255, 255, 255, 1)");
   context.fillStyle = gradient;
   context.fillRect(0, 0, img.width, img.height * 2);
  } else {
   /* ---- DXImageTransform ---- */
   flx     = document.createElement('img');
   flx.src = img.src;
   flx.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(' +
                      'opacity=50, style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy=' +
          (img.height * .25) + ')';
  }
  /* ---- insert Reflexion ---- */
  flx.style.position = 'absolute';
  flx.style.left     = '-1000px';
  cont.appendChild(flx);
  return flx;
 }
 /* //////////// ==== ImageFlow Constructor ==== //////////// */
 function ImageFlow(oCont, size, zoom, border) {
  this.diapos     = [];
  this.scr        = false;
  this.size       = size;
  this.zoom       = zoom;
  this.bdw        = border;
  this.oCont      = oCont;
  this.oc         = document.getElementById(oCont);
  this.scrollbar  = getElementsByClass(this.oc,   'div', 'scrollbar');
  this.text       = getElementsByClass(this.oc,   'div', 'text');
  this.title      = getElementsByClass(this.text, 'div', 'title');
  this.legend     = getElementsByClass(this.text, 'div', 'legend');
  this.bar        = getElementsByClass(this.oc,   'img', 'bar');
  this.arL        = getElementsByClass(this.oc,   'img', 'arrow-left');
  this.arR        = getElementsByClass(this.oc,   'img', 'arrow-right');
  this.bw         = this.bar.width;
  this.alw        = this.arL.width - 5;
  this.arw        = this.arR.width - 5;
  this.bar.parent = this.oc.parent  = this;
  this.arL.parent = this.arR.parent = this;
  this.view       = this.back       = -1;
  this.resize();
  this.oc.onselectstart = function () { return false; }
  /* ---- create images ---- */
  var img   = getElementsByClass(this.oc, 'div', 'bank').getElementsByTagName('a');
  this.NF = img.length;
  for (var i = 0, o; o = img[i]; i++) {
   this.diapos[i] = new Diapo(this, i,
          o.rel,
          o.title || '- ' + i + ' -',
          o.innerHTML || o.rel,
          o.href || '',
          o.target || '_self'
   );
  }
  /* ==== add mouse wheel events ==== */
  if (window.addEventListener)
   this.oc.addEventListener('DOMMouseScroll', function(e) {
    this.parent.scroll(-e.detail);
   }, false);
  else this.oc.onmousewheel = function () {
   this.parent.scroll(event.wheelDelta);
  }
  /* ==== scrollbar drag N drop ==== */
  this.bar.onmousedown = function (e) {
   if (!e) e = window.event;
   var scl = e.screenX - this.offsetLeft;
   var self = this.parent;
   /* ---- move bar ---- */
   this.parent.oc.onmousemove = function (e) {
    if (!e) e = window.event;
    self.bar.style.left = Math.round(Math.min((self.ws - self.arw - self.bw), Math.max(self.alw, e.screenX - scl))) + 'px';
    self.view = Math.round(((e.screenX - scl) ) / (self.ws - self.alw - self.arw - self.bw) * self.NF);
    if (self.view != self.back) self.calc();
    return false;
   }
   /* ---- release scrollbar ---- */
   this.parent.oc.onmouseup = function (e) {
    self.oc.onmousemove = null;
    return false;
   }
   return false;
  }
  /* ==== right arrow ==== */
  this.arR.onclick = this.arR.ondblclick = function () {
   if (this.parent.view < this.parent.NF - 1)
    this.parent.calc(1);
  }
  /* ==== Left arrow ==== */
  this.arL.onclick = this.arL.ondblclick = function () {
   if (this.parent.view > 0)
    this.parent.calc(-1);
  }
 }
 /* //////////// ==== ImageFlow prototype ==== //////////// */
 ImageFlow.prototype = {
  /* ==== targets ==== */
  calc : function (inc) {
   if (inc) this.view += inc;
   var tw = 0;
   var lw = 0;
   var o = this.diapos[this.view];
   if (o && o.loaded) {
    /* ---- reset ---- */
    var ob = this.diapos[this.back];
    if (ob && ob != o) {
     ob.img.className = 'diapo';
     ob.z1 = 1;
    }
    /* ---- update legend ---- */
    this.title.replaceChild(document.createTextNode(o.title), this.title.firstChild);
    this.legend.replaceChild(document.createTextNode(o.text), this.legend.firstChild);
    /* ---- update hyperlink ---- */
    if (o.url) {
     o.img.className = 'diapo link';
     window.status = 'hyperlink: ' + o.url;
    } else {
     o.img.className = 'diapo';
     window.status = '';
    }
    /* ---- calculate target sizes & positions ---- */
    o.w1 = Math.min(o.iw, this.wh * .5) * o.z1;
    var x0 = o.x1 = (this.wh * .5) - (o.w1 * .5);
    var x = x0 + o.w1 + this.bdw;
    for (var i = this.view + 1, o; o = this.diapos[i]; i++) {
     if (o.loaded) {
      o.x1 = x;
      o.w1 = (this.ht / o.r) * this.size;
      x   += o.w1 + this.bdw;
      tw  += o.w1 + this.bdw;
     }
    }
    x = x0 - this.bdw;
    for (var i = this.view - 1, o; o = this.diapos[i]; i--) {
     if (o.loaded) {
      o.w1 = (this.ht / o.r) * this.size;
      o.x1 = x - o.w1;
      x   -= o.w1 + this.bdw;
      tw  += o.w1 + this.bdw;
      lw  += o.w1 + this.bdw;
     }
    }
    /* ---- move scrollbar ---- */
    if (!this.scr && tw) {
     var r = (this.ws - this.alw - this.arw - this.bw) / tw;
     this.bar.style.left = Math.round(this.alw + lw * r) + 'px';
    }
    /* ---- save preview view ---- */
    this.back = this.view;
   }
  },
  /* ==== mousewheel scrolling ==== */
  scroll : function (sc) {
   if (sc < 0) {
    if (this.view < this.NF - 1) this.calc(1);
   } else {
    if (this.view > 0) this.calc(-1);
   }
  },
  /* ==== resize  ==== */
  resize : function () {
   this.wh = this.oc.clientWidth;
   this.ht = this.oc.clientHeight;
   this.ws = this.scrollbar.offsetWidth;
   this.calc();
   this.run(true);
  },
  /* ==== move all images  ==== */
  run : function (res) {
   var i = this.NF;
   while (i--) this.diapos[i].move(res);
  }
 }
 /* //////////// ==== Diapo Constructor ==== //////////// */
 Diapo = function (parent, N, src, title, text, url, target) {
  this.parent        = parent;
  this.loaded        = false;
  this.title         = title;
  this.text          = text;
  this.url           = url;
  this.target        = target;
  this.N             = N;
  this.img           = document.createElement('img');
  this.img.src       = src;
  this.img.parent    = this;
  this.img.className = 'diapo';
  this.x0            = this.parent.oc.clientWidth;
  this.x1            = this.x0;
  this.w0            = 0;
  this.w1            = 0;
  this.z1            = 1;
  this.img.parent    = this;
  this.img.onclick   = function() { this.parent.click(); }
  this.parent.oc.appendChild(this.img);
  /* ---- display external link ---- */
  if (url) {
   this.img.onmouseover = function () { this.className = 'diapo link'; }
   this.img.onmouseout  = function () { this.className = 'diapo'; }
  }
 }
 /* //////////// ==== Diapo prototype ==== //////////// */
 Diapo.prototype = {
  /* ==== HTML rendering ==== */
  move : function (res) {
   if (this.loaded) {
    var sx = this.x1 - this.x0;
    var sw = this.w1 - this.w0;
    if (Math.abs(sx) > 2 || Math.abs(sw) > 2 || res) {
     /* ---- paint only when moving ---- */
     this.x0 += sx * .1;
     this.w0 += sw * .1;
     if (this.x0 < this.parent.wh && this.x0 + this.w0 > 0) {
      /* ---- paint only visible images ---- */
      this.visible = true;
      var o = this.img.style;
      var h = this.w0 * this.r;
      /* ---- diapo ---- */
      o.left   = Math.round(this.x0) + 'px';
      o.bottom = Math.floor(this.parent.ht * .25) + 'px';
      o.width  = Math.round(this.w0) + 'px';
      o.height = Math.round(h) + 'px';
      /* ---- reflexion ---- */
      if (this.flx) {
       var o = this.flx.style;
       o.left   = Math.round(this.x0) + 'px';
       o.top    = Math.ceil(this.parent.ht * .75 + 1) + 'px';
       o.width  = Math.round(this.w0) + 'px';
       o.height = Math.round(h) + 'px';
      }
     } else {
      /* ---- disable invisible images ---- */
      if (this.visible) {
       this.visible = false;
       this.img.style.width = '0px';
       if (this.flx) this.flx.style.width = '0px';
      }
     }
    }
   } else {
    /* ==== image onload ==== */
    if (this.img.complete && this.img.width) {
     /* ---- get size image ---- */
     this.iw     = this.img.width;
     this.ih     = this.img.height;
     this.r      = this.ih / this.iw;
     this.loaded = true;
     /* ---- create reflexion ---- */
     this.flx    = createReflexion(this.parent.oc, this.img);
     if (this.parent.view < 0) this.parent.view = this.N;
     this.parent.calc();
    }
   }
  },
  /* ==== diapo onclick ==== */
  click : function () {
   if (this.parent.view == this.N) {
    /* ---- click on zoomed diapo ---- */
    if (this.url) {
     /* ---- open hyperlink ---- */
     window.open(this.url, this.target);
    } else {
     /* ---- zoom in/out ---- */
     this.z1 = this.z1 == 1 ? this.parent.zoom : 1;
     this.parent.calc();
    }
   } else {
    /* ---- select diapo ---- */
    this.parent.view = this.N;
    this.parent.calc();
   }
   return false;
  }
 }
 /* //////////// ==== public methods ==== //////////// */
 return {
  /* ==== initialize script ==== */
  create : function (div, size, zoom, border) {
   /* ---- instanciate imageFlow ---- */
   var load = function () {
    var loaded = false;
    var i = instances.length;
    while (i--) if (instances[i].oCont == div) loaded = true;
    if (!loaded) {
     /* ---- push new imageFlow instance ---- */
     instances.push(
      new ImageFlow(div, size, zoom, border)
     );
     /* ---- init script (once) ---- */
     if (!imf.initialized) {
      imf.initialized = true;
      /* ---- window resize event ---- */
      addEvent(window, 'resize', function () {
       var i = instances.length;
       while (i--) instances[i].resize();
      });
      /* ---- stop drag N drop ---- */
      addEvent(document.getElementById(div), 'mouseout', function (e) {
       if (!e) e = window.event;
       var tg = e.relatedTarget || e.toElement;
       if (tg && tg.tagName == 'HTML') {
        var i = instances.length;
        while (i--) instances[i].oc.onmousemove = null;
       }
       return false;
      });
      /* ---- set interval loop ---- */
      setInterval(function () {
       var i = instances.length;
       while (i--) instances[i].run();
      }, 16);
     }
    }
   }
   /* ---- window onload event ---- */
   addEvent(window, 'load', function () { load(); });
  }
 }
}();

/* ==== create imageFlow ==== */
//          div ID    , size, zoom, border
imf.create("imageFlow", 0.15, 1.5, 10);

</script>
</head>

<body>

<div id="imageFlow">
 <div class="top">
 </div>
 <div class="bank">
  <a rel="images/08081201001.jpg" title="Myselves" href="http://www.letgo.com.cn">
  My identity lies in not knowing who I am</a>
  <a rel="images/08081201002.jpg" title="Discoveries" href="http://www.letgo.com.cn/">
  ...are made by not following instructions</a>
  <a rel="images/08081201003.jpg" title="Nothing" href="http://letgo.com.cn/">
  ...can come between us</a>
  <a rel="images/08081201004.jpg" title="New life" href="http://www.letgo.com.cn/">
  Here you come!</a>
  <a rel="images/08081201005.jpg" title="Optimists" href="http://www.html.org.cn/">
  They don&#39;t know all the facts yet</a>
  <a rel="images/08081201006.jpg" title="Empathy" href="http://www.letgo.com.cn/">
  Emotional intimacy</a>
  <a rel="images/08081201007.jpg" title="Much work" href="http://www.letgo.com.cn/">
  ...remains to be done before we can announce our total failure to make any
  progress</a>
  <a rel="images/08081201008.jpg" title="System error" href="http://www.letgo.com.cn/">
  Errare Programma Est</a>
  <a rel="images/08081201009.jpg" title="Nonexistance" href="http://letgo.com.cn/">
  There&#39;s no such thing</a>
  <a rel="images/08081201010.jpg" title="Inside" href="http://www.letgo.com.cn/">
  Im now trapped, without hope of escape or rescue</a>
  <a rel="images/08081201011.jpg" title="E-Slaves" href="http://www.letgo.com.cn/">
  The World is flat</a>
  <a rel="images/08081201012.jpg" title="l0v3" href="http://www.letgo.com.cn/">
  1 l0v3 j00 - f0r3v3r</a>
  <a rel="images/08081201013.jpg" title="T minus zero" href="http://www.letgo.com.cn/">
  111 111 111 x 111 111 111 = 12345678987654321</a>
  <a rel="images/08081201014.jpg" title="The End" href="http://www.letgo.com.cn/">
  ...has not been written yet</a> </div>
 <div class="text">
  <div class="title">
   Loading</div>
  <div class="legend">
   Please wait...</div>
 </div>
 <div class="scrollbar">
  <img class="track" src="images/08081201sb.gif" alt="">
  <img class="arrow-left" src="images/08081201sl.gif" alt="">
  <img class="arrow-right" src="images/08081201sr.gif" alt="">
  <img class="bar" src="images/08081201sc.gif" alt=""> </div>
</div>

</body>

</html>

 
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