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author | Tobias Hößl <tobias@hoessl.eu> | 2012-04-22 13:31:07 +0000 |
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committer | Tobias Hößl <tobias@hoessl.eu> | 2012-04-22 13:31:07 +0000 |
commit | 27c23229c4d22d4f477cb8665725ec681e70666a (patch) | |
tree | 7a11db6df7ebb8906a68ce1e53be360b8df9c5fd /view/theme/diabook/diabook-pink/js/jquery.ae.image.resize.js | |
parent | 3116db1a74657f1f9f87ef91181104819d01fd95 (diff) | |
parent | 9434b447f3302a7f3223fb01f3c71378b8764e92 (diff) | |
download | volse-hubzilla-27c23229c4d22d4f477cb8665725ec681e70666a.tar.gz volse-hubzilla-27c23229c4d22d4f477cb8665725ec681e70666a.tar.bz2 volse-hubzilla-27c23229c4d22d4f477cb8665725ec681e70666a.zip |
Merge branch 'master' of git://github.com/friendica/friendica
Diffstat (limited to 'view/theme/diabook/diabook-pink/js/jquery.ae.image.resize.js')
-rw-r--r-- | view/theme/diabook/diabook-pink/js/jquery.ae.image.resize.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/view/theme/diabook/diabook-pink/js/jquery.ae.image.resize.js b/view/theme/diabook/diabook-pink/js/jquery.ae.image.resize.js new file mode 100644 index 000000000..bac09cd45 --- /dev/null +++ b/view/theme/diabook/diabook-pink/js/jquery.ae.image.resize.js @@ -0,0 +1,69 @@ +(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 );
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