Added some significant speed-ups to height/width checks, thanks to some code and...

diff --git a/src/core.js b/src/core.js
index ac8ec6b..508060a 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -734,26 +734,32 @@ jQuery.extend({
                        elem.style[ name ] = old[ name ];
        },
 
-       css: function( elem, name, force ) {
+       css: function( elem, name, force, extra ) {
                if ( name == "width" || name == "height" ) {
                        var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
 
                        function getWH() {
                                val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
-                               var padding = 0, border = 0;
+
+                               if ( extra === "border" )
+                                       return;
+
                                jQuery.each( which, function() {
-                                       padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
-                                       border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
+                                       if ( !extra )
+                                               val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
+                                       if ( extra === "margin" )
+                                               val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
+                                       else
+                                               val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
                                });
-                               val -= Math.round(padding + border);
                        }
 
-                       if ( jQuery(elem).is(":visible") )
+                       if ( elem.offsetWidth !== 0 )
                                getWH();
                        else
                                jQuery.swap( elem, props, getWH );
 
-                       return Math.max(0, val);
+                       return Math.max(0, Math.round(val));
                }
 
                return jQuery.curCSS( elem, name, force );

diff --git a/src/dimensions.js b/src/dimensions.js
index 2971184..2ba8f67 100644 (file)
--- a/src/dimensions.js
+++ b/src/dimensions.js
@@ -2,22 +2,21 @@
 jQuery.each([ "Height", "Width" ], function(i, name){
 
        var tl = i ? "Left"  : "Top",  // top or left
-               br = i ? "Right" : "Bottom"; // bottom or right
+               br = i ? "Right" : "Bottom", // bottom or right
+               lower = name.toLowerCase();
 
        // innerHeight and innerWidth
        jQuery.fn["inner" + name] = function(){
-               return this[ name.toLowerCase() ]() +
-                       num(this, "padding" + tl) +
-                       num(this, "padding" + br);
+               return this[0] ?
+                       jQuery.css( this[0], lower, false, "padding" ) :
+                       null;
        };
 
        // outerHeight and outerWidth
        jQuery.fn["outer" + name] = function(margin) {
-               return this["inner" + name]() +
-                       num(this, "border" + tl + "Width") +
-                       num(this, "border" + br + "Width") +
-                       (margin ?
-                               num(this, "margin" + tl) + num(this, "margin" + br) : 0);
+               return this[0] ?
+                       jQuery.css( this[0], lower, false, margin ? "margin" : "border" ) :
+                       null;
        };
        
        var type = name.toLowerCase();
@@ -47,4 +46,4 @@ jQuery.each([ "Height", "Width" ], function(i, name){
                                        this.css( type, typeof size === "string" ? size : size + "px" );
        };
 
-});
\ No newline at end of file
+});