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Support Size and Point arguments in Rectangle#expand()

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This commit is contained in:
Jürg Lehni 2013-12-09 16:21:37 +01:00
parent 1e9fc61644
commit 407a7fcde7
1 changed files with 13 additions and 10 deletions
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23
src/basic/Rectangle.js
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@ -740,26 +740,29 @@ var Rectangle = Base.extend(/** @lends Rectangle# */{
},
/**
* Expands the rectangle by the specified amount in both horizontal and
* Expands the rectangle by the specified amount in horizontal and
* vertical directions.
*
* @name Rectangle#expand
* @function
* @param {Number} amount
* @param {Number|Size|Point} amount the amount to expand the rectangle in
* both directions
*/
/**
* Expands the rectangle in horizontal direction by the specified
* {@code hor} amount and in vertical direction by the specified {@code ver}
* amount.
* Expands the rectangle by the specified amounts in horizontal and
* vertical directions.
*
* @name Rectangle#expand
* @function
* @param {Number} hor
* @param {Number} ver
* @param {Number} hor the amount to expand the rectangle in horizontal
* direction
* @param {Number} ver the amount to expand the rectangle in horizontal
* direction
*/
expand: function(hor, ver) {
if (ver === undefined)
ver = hor;
expand: function(/* amount */) {
var amount = Size.read(arguments),
hor = amount.width,
ver = amount.height;
return new Rectangle(this.x - hor / 2, this.y - ver / 2,
this.width + hor, this.height + ver);
},