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IE6的png24支持

2008-10-25 17:16 162 查看

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd">

<head>

img, div { behavior: url(iepngfix.htc) }

body

{

background-color:#800;

}

</style>

</head>

<body>

<p>修正png显示</p>

</div>

</body>

</html>

iepngfix.htc:

<public:component>
<public:attach event="onpropertychange" onevent="doFix()" />

<script type="text/javascript">

// IE5.5+ PNG Alpha Fix v1.0RC4
// (c) 2004-2005 Angus Turnbull http://www.twinhelix.com

// This is licensed under the CC-GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/

// This must be a path to a blank image. That's all the configuration you need.
if (typeof blankImg == 'undefined') var blankImg = 'blank.gif';

var f = 'DXImageTransform.Microsoft.AlphaImageLoader';

function filt(s, m)
{
if (filters[f])
{
filters[f].enabled = s ? true : false;
if (s) with (filters[f]) { src = s; sizingMethod = m }
}
else if (s) style.filter = 'progid:'+f+'(src="'+s+'",sizingMethod="'+m+'")';
}

function doFix()
{
// Assume IE7 is OK.
if (!/MSIE (5\.5|6\.)/.test(navigator.userAgent) ||
(event && !/(background|src)/.test(event.propertyName))) return;

var bgImg = currentStyle.backgroundImage || style.backgroundImage;

if (tagName == 'IMG')
{
if ((/\.png$/i).test(src))
{
if (currentStyle.width == 'auto' && currentStyle.height == 'auto')
style.width = offsetWidth + 'px';
filt(src, 'scale');
src = blankImg;
}
else if (src.indexOf(blankImg) < 0) filt();
}
else if (bgImg && bgImg != 'none')
{
if (bgImg.match(/^url[("']+(.*\.png)[)"']+$/i))
{
var s = RegExp.$1;
if (currentStyle.width == 'auto' && currentStyle.height == 'auto')
style.width = offsetWidth + 'px';
style.backgroundImage = 'none';
filt(s, 'crop');
// IE link fix.
for (var n = 0; n < childNodes.length; n++)
if (childNodes
.style) childNodes
.style.position = 'relative';
}
else filt();
}
}

doFix();

</script>
</public:component>

截图

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