# Does using null,origin,true at the end of BItmapData.copyPixels improve performance?

**URL:** <https://forum.kirupa.com/t/does-using-null-origin-true-at-the-end-of-bitmapdata-copypixels-improve-performance/235960>\
**Category:** flash\
**Created:** [August 16, 2007, 2:48am UTC](https://forum.kirupa.com/t/does-using-null-origin-true-at-the-end-of-bitmapdata-copypixels-improve-performance/235960 "2007-08-16T02:48:52Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Glidias](https://avatars.discourse-cdn.com/v4/letter/g/e36b37/32.png) [@Glidias](https://forum.kirupa.com/u/Glidias)\
**Post date:** [August 16, 2007, 2:48am UTC](https://forum.kirupa.com/t/does-using-null-origin-true-at-the-end-of-bitmapdata-copypixels-improve-performance/235960/1 "2007-08-16T02:48:52Z")

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Does using null,origin,true at the end of BItmapData.copyPixels improve performance by skipping the rendering of pixels with an alpha value of zero?