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authorMichael Vogel <icarus@dabo.de>2012-04-07 18:35:29 +0200
committerMichael Vogel <icarus@dabo.de>2012-04-07 18:35:29 +0200
commitcb05801a9031254f5882038de07a3ee4d5f89dd0 (patch)
tree186d9d1a4c591ec23e0e5bbebd08301143b5c157 /view/theme/diabook-aerith/js/jquery.ae.image.resize.js
parent7308dbae282194356c2e95936aecc15ea059f356 (diff)
parent0fa3b7f348c3deeb85cb5f5f9bd35ba47b0e92ee (diff)
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Merge commit 'upstream/master'
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diff --git a/view/theme/diabook-aerith/js/jquery.ae.image.resize.js b/view/theme/diabook-aerith/js/jquery.ae.image.resize.js
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+(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 ); \ No newline at end of file