0,0 → 1,143 |
/* |
* jQuery ifixpng plugin |
* (previously known as pngfix) |
* Version 2.1 (23/04/2008)+jquery1.9fix |
* @requires jQuery v1.1.3 or above |
* |
* Examples at: http://jquery.khurshid.com |
* Copyright (c) 2007 Kush M. |
* Dual licensed under the MIT and GPL licenses: |
* http://www.opensource.org/licenses/mit-license.php |
* http://www.gnu.org/licenses/gpl.html |
*/ |
|
/** |
* |
* @example |
* |
* optional if location of pixel.gif if different to default which is images/pixel.gif |
* $.ifixpng('media/pixel.gif'); |
* |
* $('img[@src$=.png], #panel').ifixpng(); |
* |
* @apply hack to all png images and #panel which icluded png img in its css |
* |
* @name ifixpng |
* @type jQuery |
* @cat Plugins/Image |
* @return jQuery |
* @author jQuery Community |
*/ |
|
(function($) { |
|
/** |
* helper variables and function |
*/ |
$.ifixpng = function(customPixel) { |
if (customPixel !== undefined) { |
$.ifixpng.pixel = customPixel; |
} |
}; |
|
$.ifixpng.getPixel = function() { |
return $.ifixpng.pixel || 'images/pixel.gif'; |
}; |
|
var hack = { |
ltie7 : (navigator.userAgent.match(/MSIE ((5\.5)|(6\.))/) !== null), |
filter : function(src) { |
return "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=scale,src='"+src+"')"; |
} |
}; |
|
/** |
* Applies ie png hack to selected dom elements |
* |
* $('img[@src$=.png]').ifixpng(); |
* @desc apply hack to all images with png extensions |
* |
* $('#panel, img[@src$=.png]').ifixpng(); |
* @desc apply hack to element #panel and all images with png extensions |
* |
* @name ifixpng |
*/ |
|
$.fn.ifixpng = hack.ltie7 ? function(customPixel) { |
if (customPixel !== undefined) { |
$.ifixpng.pixel = customPixel; |
} |
return this.each(function() { |
|
var filter = $(this).css('filter'); |
if (!filter.match(/src=["']?(.*\.png([?].*)?)["']?/i)) { // if not yet executed |
// in case rewriting urls |
var base = $('base').attr('href'); |
if (base) { |
// remove anything after the last '/' |
base = base.replace(/\/[^\/]+$/,'/'); |
} |
if ($(this).is('img') || $(this).is('input')) { // hack image tags present in dom |
if ($(this).attr('src')) { |
if ($(this).attr('src').match(/.*\.png([?].*)?$/i)) { // make sure it is png image |
// use source tag value if set |
var source = (base && $(this).attr('src').search(/^(\/|http:)/i)) ? base + $(this).attr('src') : $(this).attr('src'); |
// apply filter |
$(this).css({filter:hack.filter(source), width:$(this).width(), height:$(this).height()}) |
.attr({src:$.ifixpng.getPixel()}) |
.positionFix(); |
} |
} |
} else { // hack png css properties present inside css |
var image = $(this).css('backgroundImage'); |
if (image.match(/^url\(["']?(.*\.png([?].*)?)["']?\)$/i)) { |
image = RegExp.$1; |
image = (base && image.substring(0,1)!='/') ? base + image : image; |
$(this).css({backgroundImage:'none', filter:hack.filter(image)}) |
.children().children().positionFix(); |
} |
} |
} |
}); |
} : function() { return this; }; |
|
/** |
* Removes any png hack that may have been applied previously |
* |
* $('img[@src$=.png]').iunfixpng(); |
* @desc revert hack on all images with png extensions |
* |
* $('#panel, img[@src$=.png]').iunfixpng(); |
* @desc revert hack on element #panel and all images with png extensions |
* |
* @name iunfixpng |
*/ |
|
$.fn.iunfixpng = hack.ltie7 ? function() { |
return this.each(function() { |
var src = $(this).css('filter'); |
if (src.match(/src=["']?(.*\.png([?].*)?)["']?/i)) { // get img source from filter |
src = RegExp.$1; |
if ($(this).is('img') || $(this).is('input')) { |
$(this).attr({src:src}).css({filter:''}); |
} else { |
$(this).css({filter:'', background:'url('+src+')'}); |
} |
} |
}); |
} : function() { return this; }; |
|
/** |
* positions selected item relatively |
*/ |
|
$.fn.positionFix = function() { |
return this.each(function() { |
var position = $(this).css('position'); |
if (position != 'absolute' && position != 'relative') { |
$(this).css({position:'relative'}); |
} |
}); |
}; |
|
})(jQuery); |