Tobias Diekershoff
5d8a29428f
Tony collected these themes 2013 at https://github.com/tonybaldwin/fthemes they are derived from duepuntozero
69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
(function( $ ) {
|
|
|
|
$.fn.aeImageResize = function( params ) {
|
|
|
|
var aspectRatio = 0
|
|
// Nasty I know but it's done only once, so not too bad I guess
|
|
// Alternate suggestions welcome :)
|
|
, isIE6 = $.browser.msie && (6 == ~~ $.browser.version)
|
|
;
|
|
|
|
// We cannot do much unless we have one of these
|
|
if ( !params.height && !params.width ) {
|
|
return this;
|
|
}
|
|
|
|
// Calculate aspect ratio now, if possible
|
|
if ( params.height && params.width ) {
|
|
aspectRatio = params.width / params.height;
|
|
}
|
|
|
|
// Attach handler to load
|
|
// Handler is executed just once per element
|
|
// Load event required for Webkit browsers
|
|
return this.one( "load", function() {
|
|
|
|
// Remove all attributes and CSS rules
|
|
this.removeAttribute( "height" );
|
|
this.removeAttribute( "width" );
|
|
this.style.height = this.style.width = "";
|
|
|
|
var imgHeight = this.height
|
|
, imgWidth = this.width
|
|
, imgAspectRatio = imgWidth / imgHeight
|
|
, bxHeight = params.height
|
|
, bxWidth = params.width
|
|
, bxAspectRatio = aspectRatio;
|
|
|
|
// Work the magic!
|
|
// If one parameter is missing, we just force calculate it
|
|
if ( !bxAspectRatio ) {
|
|
if ( bxHeight ) {
|
|
bxAspectRatio = imgAspectRatio + 1;
|
|
} else {
|
|
bxAspectRatio = imgAspectRatio - 1;
|
|
}
|
|
}
|
|
|
|
// Only resize the images that need resizing
|
|
if ( (bxHeight && imgHeight > bxHeight) || (bxWidth && imgWidth > bxWidth) ) {
|
|
|
|
if ( imgAspectRatio > bxAspectRatio ) {
|
|
bxHeight = ~~ ( imgHeight / imgWidth * bxWidth );
|
|
} else {
|
|
bxWidth = ~~ ( imgWidth / imgHeight * bxHeight );
|
|
}
|
|
|
|
this.height = bxHeight;
|
|
this.width = bxWidth;
|
|
}
|
|
})
|
|
.each(function() {
|
|
|
|
// Trigger load event (for Gecko and MSIE)
|
|
if ( this.complete || isIE6 ) {
|
|
$( this ).trigger( "load" );
|
|
}
|
|
});
|
|
};
|
|
})( jQuery ); |