function() {
        var i = 0,
            sprite,
            bb,
            items = this.items,
            len = this.length,
            infinity = Infinity,
            minX = infinity,
            maxHeight = -infinity,
            minY = infinity,
            maxWidth = -infinity,
            maxWidthBBox, maxHeightBBox;
        
        for (; i < len; i++) {
            sprite = items[i];
            if (sprite.el && ! sprite.bboxExcluded) {
                bb = sprite.getBBox();
                minX = Math.min(minX, bb.x);
                minY = Math.min(minY, bb.y);
                maxHeight = Math.max(maxHeight, bb.height + bb.y);
                maxWidth = Math.max(maxWidth, bb.width + bb.x);
            }
        }
        
        return {
            x: minX,
            y: minY,
            height: maxHeight - minY,
            width: maxWidth - minX
        };
    }
function() {
        var i = 0,
            sprite,
            bb,
            items = this.items,
            len = this.length,
            infinity = Infinity,
            minX = infinity,
            maxHeight = -infinity,
            minY = infinity,
            maxWidth = -infinity,
            maxWidthBBox, maxHeightBBox;
        
        for (; i < len; i++) {
            sprite = items[i];
            if (sprite.el && ! sprite.bboxExcluded) {
                bb = sprite.getBBox();
                minX = Math.min(minX, bb.x);
                minY = Math.min(minY, bb.y);
                maxHeight = Math.max(maxHeight, bb.height + bb.y);
                maxWidth = Math.max(maxWidth, bb.width + bb.x);
            }
        }
        
        return {
            x: minX,
            y: minY,
            height: maxHeight - minY,
            width: maxWidth - minX
        };
    }
function ( ) { var i = 0 , sprite , bb , items = this . items , len = this . length , infinity = Infinity , minX = infinity , maxHeight = - infinity , minY = infinity , maxWidth = - infinity , maxWidthBBox , maxHeightBBox ; for ( ; i < len ; i ++ ) { sprite = items [ i ] ; if ( sprite . el && ! sprite . bboxExcluded ) { bb = sprite . getBBox ( ) ; minX = Math . min ( minX , bb . x ) ; minY = Math . min ( minY , bb . y ) ; maxHeight = Math . max ( maxHeight , bb . height + bb . y ) ; maxWidth = Math . max ( maxWidth , bb . width + bb . x ) ; } } return { x : minX , y : minY , height : maxHeight - minY , width : maxWidth - minX } ; }
Returns the group bounding box.
Behaves like {@link Ext.draw.Sprite#getBBox} method.
@return {Object} an object with x, y, width, and height properties.
Returns the group bounding box . Behaves like {