imgSizer.js 원본
1577 단어 imgSizer
var imgSizer = {
Config : {
imgCache : []
,spacer : “/path/to/your/spacer.gif”
}
,collate : function(aScope) {
var isOldIE = (document.all && !window.opera && !window.XDomainRequest) ? 1 : 0;
if (isOldIE && document.getElementsByTagName) {
var c = imgSizer;
var imgCache = c.Config.imgCache;
var images = (aScope && aScope.length) ? aScope : document.getElementsByTagName(“img”);
for (var i = 0; i < images.length; i++) {
images[i].origWidth = images[i].offsetWidth;
images[i].origHeight = images[i].offsetHeight;
imgCache.push(images[i]);
c.ieAlpha(images[i]);
images[i].style.width = “100%”;
}
if (imgCache.length) {
c.resize(function() {
for (var i = 0; i < imgCache.length; i++) {
var ratio = (imgCache[i].offsetWidth / imgCache[i].origWidth);
imgCache[i].style.height = (imgCache[i].origHeight * ratio) + “px”;
}
});
}
}
}
,ieAlpha : function(img) {
var c = imgSizer;
if (img.oldSrc) {
img.src = img.oldSrc;
}
var src = img.src;
img.style.width = img.offsetWidth + “px”;
img.style.height = img.offsetHeight + “px”;
img.style.filter = “progid:DXImageTransform.Microsoft.AlphaImageLoader(src=’” + src + “‘, sizingMethod=’scale’)”
img.oldSrc = src;
img.src = c.Config.spacer;
}
// Ghettomodified version of Simon Willison’s addLoadEvent() — http://simonwillison.net/2004/May/26/addLoadEvent/
,resize : function(func) {
var oldonresize = window.onresize;
if (typeof window.onresize != ‘function’) {
window.onresize = func;
} else {
window.onresize = function() {
if (oldonresize) {
oldonresize();
}
func();
}
}
}
}