Optimize alpha handling in wxImage::Rotate90() too.
authorVadim Zeitlin <vadim@wxwidgets.org>
Tue, 26 Apr 2011 22:57:05 +0000 (22:57 +0000)
committerVadim Zeitlin <vadim@wxwidgets.org>
Tue, 26 Apr 2011 22:57:05 +0000 (22:57 +0000)
commitbe0d0fedf936869e554b1335ac423a71c9750fe9
treebd0f08efc93eac27e519f0ec6774927da53abed8
parentb2fd3bea361eefa072f4d62e2502dd018ef68b83
Optimize alpha handling in wxImage::Rotate90() too.

The changes of r66309 optimized the rotation of the pixel data by doing it in
entire strips instead of pixel by pixel, apply the same technique now to the
rotation of alpha data as well.

Closes #12739.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67613 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
src/common/image.cpp