blob: bac09cd4574a7980e23bacf18d837282c067a9d3 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
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 );
|
