超酷超绚精美图片展示效果代码(一)

[ 发布者：未知┊来源：网页特效观止┊时间：2008-08-12┊浏览：人次 ]
相关图片自己下载，所有的图片路径都是类似 http://www.jscode.cn/jscode/images/xxxxx.jpg 这样的形式
<!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) - 网页特效观止-网页特效代码|JsCode.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.jscode.cn/">
		My identity lies in not knowing who I am</a>
		<a rel="images/08081201002.jpg" title="Discoveries" href="http://www.jscode.cn/">
		...are made by not following instructions</a>
		<a rel="images/08081201003.jpg" title="Nothing" href="http://jscode.cn/">
		...can come between us</a>
		<a rel="images/08081201004.jpg" title="New life" href="http://www.jscode.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.jscode.cn/">
		Emotional intimacy</a>
		<a rel="images/08081201007.jpg" title="Much work" href="http://www.jscode.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.jscode.cn/">
		Errare Programma Est</a>
		<a rel="images/08081201009.jpg" title="Nonexistance" href="http://bbs.html.org.cn/">
		There&#39;s no such thing</a>
		<a rel="images/08081201010.jpg" title="Inside" href="http://www.jscode.cn/">
		I抦 now trapped, without hope of escape or rescue</a>
		<a rel="images/08081201011.jpg" title="E-Slaves" href="http://www.luwei.net.cn/">
		The World is flat</a>
		<a rel="images/08081201012.jpg" title="l0v3" href="http://www.jscode.cn/">
		1 l0v3 j00 - f0r3v3r</a>
		<a rel="images/08081201013.jpg" title="T minus zero" href="http://www.jscode.cn/">
		111 111 111 x 111 111 111 = 12345678987654321</a>
		<a rel="images/08081201014.jpg" title="The End" href="http://www.jscode.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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