平滑缩放算法

Copyright (C) 2004, 2005 Daniel M. Duley.
(C) Carsten Haitzler and various contributors.
(C) Willem Monsuwe <[email protected]>

qimagetransform.cpp was contributed by Daniel M. Duley based on code from Imlib2.

Copyright (C) 2004, 2005 Daniel M. Duley

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