以下是 可自动缩放的JS弹性相册代码 的示例演示效果:
部分效果截图:
HTML代码(index.html):
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta name="keywords" content="JS代码,相册代码,JS广告代码,JS特效代码" />
<meta name="description" content="此代码内容为可自动缩放的JS弹性相册代码，属于站长常用代码" />
<title>可自动缩放的JS弹性相册代码</title>
<meta http-equiv="imagetoolbar" content="no">
<style type="text/css">
html {
overflow: hidden;
}
body {
margin: 0px;
padding: 0px;
background: #000;
position: absolute;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
}
#screen {
position: absolute;
top: 1%;
left: 1%;
width: 98%;
height: 98%;
background: #000;
color: #fff;
}
#screen div {
position: absolute;
overflow: hidden;
cursor: pointer;
}
#screen img {
position: absolute;
width: 100%;
height: 100%;
}
#screen .label {
position: absolute;
color: #FFF;
background: #000;
font-family: arial;
white-space: no-wrap;
}
</style>
<!-- dhteumeuleu utilities -->
<script type="text/javascript" src="js/dhteumeuleu.js"></script>
<script type="text/javascript">
// ========================================================
// ====== Javascript Slideshow ======
// script written by Gerard Ferrandez - December 31, 2006
// http://www.dhteumeuleu.com/
// ========================================================
var diap = {
/////////////////////////////////
BR : 3, // border size in px
ZR : .75, // zoom ratio
SP : .1, // speed
/////////////////////////////////
V : false,
S : false,
G : true,
resize : function () {
/* ==== window resize event ==== */
diap.nw = diap.scr.offsetWidth;
diap.nh = diap.scr.offsetHeight;
diap.nwu = (diap.nw * diap.ZR);
diap.nhu = (diap.nh * diap.ZR);
diap.nwt = Math.floor((diap.nw * (1 - diap.ZR) * .5) / (diap.NX - 1)) - diap.BR;
diap.nht = Math.floor((diap.nh * (1 - diap.ZR) * .5) / (diap.NY - 1)) - diap.BR;
diap.rc = 255 / ((diap.nw / diap.NX) - diap.nwt);
if (diap.N) {
diap.setPosition();
if (!diap.G) diap.delLabels();
}
},
setPosition : function () {
/* ==== calculate image target position ==== */
var k = 0;
var y = this.S ? this.BR + Math.floor((this.NY - this.Y - 1) * (this.nht + this.BR)) : 0;
for (var j = 0; j < this.NY; j++) {
var x = this.S ? this.BR + Math.floor((this.NX - this.X - 1) * (this.nwt + this.BR)) : 0;
for (var i = 0; i < this.NX; i++) {
var o = this.spa[k++];
o.y1 = y;
o.x1 = x;
o.w1 = this.S ? (o == this.S ? this.nwu - this.BR : this.nwt) : Math.ceil(this.nw / this.NX) - this.BR;
o.h1 = this.S ? (o == this.S ? this.nhu - this.BR : this.nht) : Math.ceil(this.nh / this.NY) - this.BR;
x += this.S ? ((this.X == i) ? this.nwu : this.nwt + this.BR) : Math.ceil(this.nw / this.NX);
}
y += this.S ? ((this.Y == j) ? this.nhu : this.nht + this.BR) : Math.ceil(this.nh / this.NY);
}
},
delLabels : function () {
/* ==== remove texts ==== */
for ( var i = 0; i < diap.N; i++) {
var o = diap.spa[i];
if (o.T) diap.scr.removeChild(o.T);
o.T = false;
}
},
run : function () {
/* ==== main loop ==== */
for ( var i = 0; i < diap.N; i++) diap.spa[i].move();
setTimeout(diap.run, 16);
},
init : function (container, NX, NY, path, images) {
/* ==== initialize script ==== */
this.scr = id(container);
if (!this.scr || NX * NY != images.length) { alert('ID-10-T error...'); return false; }
this.NX = NX;
this.NY = NY;
this.spa = {};
this.resize();
var k = 0;
for (var y = 0; y < this.NY; y++) {
for (var x = 0; x < this.NX; x++) {
/* ==== create HTML elements ==== */
var s = this.spa[k] = document.createElement('div');
s.img = document.createElement('img');
/* ==== opacity optimized function ==== */
s.img.setOpacity = function (alpha) {
if (alpha < 0) alpha = 0; else if (alpha > 100) alpha = 100;
if (alpha == 100) {
/* ==== speed opt - remove IE filter ==== */
this.style.visibility = 'visible';
this.style.filter = '';
this.style.opacity = 1;
return 100;
} else if (alpha == 0) {
/* ==== hide image, remove opacity ==== */
this.style.visibility = 'hidden';
this.style.filter = '';
this.style.opacity = 0;
return 0;
}
if (this.filters) {
/* ==== IE filter ==== */
if (!this.filters.alpha) this.style.filter = 'alpha(opacity=' + alpha + ')';
else this.filters.alpha.opacity = alpha;
/* ==== CSS opacity ==== */
} else this.style.opacity = alpha * .01;
return alpha;
}
s.img.src = id('loading').src;
s.appendChild(s.img);
this.scr.appendChild(s);
/* ==== pre-load image ==== */
s.pre = new Image();
s.pre.obj = s;
s.pre.onload = function() { this.obj.img.src = this.src; }
s.pre.src = path + images[k][0];
/* ==== set image variables ==== */
s.x = x;
s.y = y;
s.x0 = x * (this.nw / this.NX) + (this.nw / this.NX) / 2;
s.y0 = y * (this.nh / this.NY) + (this.nh / this.NY) / 2;;
s.x1 = x * (this.nw / this.NX);
s.y1 = y * (this.nh / this.NY);
s.w0 = 0;
s.h0 = 0;
s.w1 = 0;
s.h1 = 0;
s.V = 0;
s.t = images[k][1];
s.T = false;
/* ==== function move image ==== */
s.move = function() {
/* ==== position images ==== */
this.style.left = px(this.x0 += (this.x1 - this.x0) * diap.SP);
this.style.top = px(this.y0 += (this.y1 - this.y0) * diap.SP);
this.style.width = px(this.w0 += (this.w1 - this.w0) * diap.SP);
this.style.height = px(this.h0 += (this.h1 - this.h0) * diap.SP);
if (this != diap.S) {
/* ==== set image background color ==== */
if (Math.abs(this.w1 - this.w0) > 1) {
var c = (!diap.G && this.V > 0) ? 255 : 16 + Math.round(255 - diap.rc * (this.w0 - diap.nwt));
this.style.background = 'RGB('.concat(c, ',', c, ',', c, ')');
}
if (this == diap.V) {
/* ==== on mouseover: fade in ==== */
if (this.V < 100) this.img.setOpacity(this.V += 5);
} else {
/* ==== fade out ==== */
if (this.V >= 0 && diap.G != this) this.img.setOpacity(this.V -= 2);
}
}
/* ==== text effect ==== */
if (this.T) this.dispLabel();
}
/* ==== display text function (typewriter FX) ==== */
s.dispLabel = function() {
if (diap.G || diap.S == this) {
/* ==== zoomed image ==== */
this.T.style.left = px(this.x0);
this.T.style.top = px(this.y0);
this.T.style.width = px(this.w0);
} else {
/* ==== calculate text position ==== */
var xt = diap.S.x0 + this.w0 + diap.BR;
if (this.y == diap.Y) {
this.T.style.top = px(this.y0 - this.f - diap.BR);
if (this.y == 0) var xt = diap.S.x0;
} else this.T.style.top = px(this.y0 - (this.y <= diap.Y ? diap.BR : 0));
if (this.x > diap.X) this.T.style.left = px(diap.S.w0 + diap.S.x0 - diap.nwu * .5);
else this.T.style.left = px(xt);
if (this != diap.V) {
/* ==== text type out ==== */
this.Tp--;
this.T.innerHTML = this.t.substring(0, this.Tp);
if (this.Tp < 1) {
diap.scr.removeChild(this.T);
this.T = false;
}
} else {
if (this.Tp < this.t.length) {
/* ==== text type in ==== */
this.Tp++;
this.T.innerHTML = this.t.substring(0, this.Tp);
}
}
}
}
/* ==== create text function ==== */
s.createLabel = function () {
this.T = document.createElement('div');
this.T.className = 'label';
if (!diap.G && this.x > diap.X) this.T.style.textAlign = 'right';
this.f = 4 + Math.round(Math.sqrt(diap.nht * 2));
if(this == diap.S) {
this.f *= 2;
this.T.style.background = 'none';
this.T.style.textAlign = 'center';
}
this.T.style.fontSize = ''.concat(this.f, 'px');
this.T.innerHTML = this.t;
this.T.style.left = px(-1000);
this.T.style.width = px(diap.nwu * .5);
this.T.style.height = px(this.f + 3);
this.Tp = 0;
diap.scr.appendChild(this.T);
}
/* ==== on mouse over event ==== */
s.onmouseover = function() {
if (diap.S != this && diap.G != this) {
/* ==== display image ==== */
this.img.setOpacity(100);
this.V = this.img.setOpacity(20);
}
/* ==== create text ==== */
if (!this.T) this.createLabel();
diap.V = this;
}
/* ==== on click event ==== */
s.onclick = function() {
/* ==== memorize selected image ==== */
diap.X = this.x;
diap.Y = this.y;
diap.V = false;
diap.G = false;
this.V = this.img.setOpacity(100);
diap.delLabels();
if (diap.S == this) {
/* ==== zoom out - grid mode on ==== */
diap.S = false;
diap.G = this;
for (var i = 0; i < diap.N; i++) diap.spa[i].createLabel();
} else {
/* ==== zoom in ==== */
diap.S = this;
this.createLabel();
}
diap.setPosition();
}
s.createLabel();
s.ondblclick = s.onclick;
s.ondrag = function () { return false; }
k++;
}
}
this.N = NX * NY;
/* ==== add resize event ==== */
this.resize();
addEvent(window, 'resize', diap.resize);
/* ==== start main loop ==== */
this.run();
}
}
/* ==== create diaporama ==== */
onload = function () {
/* ==== container, X, T, path, [image.src, text] ==== */
diap.init("screen", 4, 4, "", [
["images/or8.jpg", "His little voodoo was a success"],
["images/or46.jpg", "She arrived from nowhere"],
["images/or10.jpg", "as cute as she could be"],
["images/or4.jpg", "It was a night of full moon"],
["images/or16.jpg", "It didn't take him anytime to fall in love"],
["images/or9.jpg", "He had been certain of his success"],
["images/or6.jpg", "In a few days after"],
["images/or27.jpg", "All the tools were in place"],
["images/or14.jpg", "The girl left a note..."],
["images/or30.jpg", "...saying she had left home"],
["images/or1.jpg", "揝o what抯 with the panic??"],
["images/or2.jpg", "Tears for fears"],
["images/or12.jpg", "A light in the dark"],
["images/or44.jpg", "Flashes of pain and hope"],
["images/or39.jpg", "If only we could capture..."],
["images/or33.jpg", "...the beauty of autumn"]
]);
}
</script>
</head>
<body>
<div id="screen"></div>
<img id="loading" alt="" src="images/or11.jpg" style="visibility: hidden">
</body>
</html>
JS代码(dhteumeuleu.js):
// ================================// DHTML mini library// Gerard Ferrandez - January 2007// http://www.dhteumeuleu.com// ================================id = function(o){
return document.getElementById(o);
}
px = function (x){
return ''.concat(Math.round(x),'px');
}
pxLeft = function(o){
for (var x = 0;
o != null;
o = o.offsetParent) x += o.offsetLeft;
return x;
}
pxTop = function(o){
for (var x = 0;
o != null;
o = o.offsetParent) x += o.offsetTop;
return x;
}
/* ==== DOM 2 add event ==== */
addEvent = function (o,e,f){
var r = false;
if (window.addEventListener){
o.addEventListener(e,f,false);
r = true;
}
else if (window.attachEvent){
r = o.attachEvent('on' + e,f);
}
return r;
}
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