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Bail out of Item#transform() immediately if there is nothing to do.

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Jürg Lehni 2014-01-02 21:47:00 +01:00
parent 469aa18f1a
commit ad34bbf7aa
1 changed files with 3 additions and 0 deletions
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3
src/item/Item.js
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@ -2721,6 +2721,9 @@ var Item = Base.extend(Callback, /** @lends Item# */{
// 'children', 'fill-gradients', 'fill-patterns', 'stroke-patterns', // 'children', 'fill-gradients', 'fill-patterns', 'stroke-patterns',
// 'lines'. Default: ['objects', 'children'] // 'lines'. Default: ['objects', 'children']
transform: function(matrix /*, applyMatrix */) { transform: function(matrix /*, applyMatrix */) {
// Bail out immediatelly if there is nothing to do
if (matrix.isIdentity())
return this;
// Calling _changed will clear _bounds and _position, but depending // Calling _changed will clear _bounds and _position, but depending
// on matrix we can calculate and set them again. // on matrix we can calculate and set them again.
var bounds = this._bounds, var bounds = this._bounds,