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(function(){
// module factory: start
var moduleFactory = function($) {
// module body: start
var module = this;
var exports = function() {
/**
* jquery.Image
* Image helper for jQuery.
* https://github.com/jstonne/jquery.Image
*
* Copyright (c) 2012 Jensen Tonne
* www.jstonne.com
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
$.fn.image = function(method) {
var method = $.Image[method];
return method && method.apply(this[0], $.makeArray(arguments).slice(1));
}
$.Image = {
get: function(url) {
var existingImage = this.nodeName==="IMG";
var image = $(existingImage ? this : new Image()),
imageLoader = $.Deferred();
image
.load(function() {
var w, h, r, o;
if (!existingImage) { image.appendTo("body"); }
var data = {
width: w = image.width(),
height: h = image.height(),
aspectRatio: r = w / h,
orientation: o = (r===1) ? "square" : (r<1) ? "tall" : "wide"
}
image
.css({
position: "absolute",
left: "-99999px"
})
.data(data)
.addClass("orientation-" + o)
.removeAttr("style");
if (!existingImage) {
image.detach();
}
imageLoader.resolve(image, data);
})
.error(function(){
imageLoader.reject();
})
.attr("src", url);
return imageLoader;
},
aspectRatio: function(width, height) {
// Normalize values
if ($.isPlainObject(width)) {
width = width.width;
height = width.height;
}
return width / height;
},
orientation: function(width, height) {
// Normalize values
if ($.isPlainObject(width)) {
width = width.width;
height = width.height;
}
if (width===height) return "square";
if (width > height) return "wide";
return "tall";
},
resizeProportionate: function(sourceWidth, sourceHeight, maxWidth, maxHeight, mode) {
var targetWidth = sourceWidth,
targetHeight = sourceHeight;
// Resize the width first
var ratio = maxWidth / sourceWidth;
targetWidth = sourceWidth * ratio;
targetHeight = sourceHeight * ratio;
// inner resize (default)
var condition = targetHeight > maxHeight;
// outer resize
if (mode=="outer") {
condition = targetHeight < maxHeight;
}
if (condition) {
ratio = maxHeight / sourceHeight;
targetWidth = sourceWidth * ratio;
targetHeight = sourceHeight * ratio;
}
return {
top : (maxHeight - targetHeight) / 2,
left : (maxWidth - targetWidth) / 2,
width : targetWidth,
height: targetHeight
};
},
resizeWithin: function(sourceWidth, sourceHeight, maxWidth, maxHeight) {
return $.Image.resizeProportionate(
sourceWidth,
sourceHeight,
maxWidth,
maxHeight,
"inner"
);
},
resizeToFill: function(sourceWidth, sourceHeight, maxWidth, maxHeight) {
return $.Image.resizeProportionate(
sourceWidth,
sourceHeight,
maxWidth,
maxHeight,
"outer"
);
}
};
};
exports();
module.resolveWith(exports);
// module body: end
};
// module factory: end
FD31.module("image", moduleFactory);
}());