SurfacePtr Surface::getChannel(ColorChannel ch) const { SurfacePtr surf = new Surface(Format_A_8, m_width, m_height); getChannel(surf.ref(), ch); return surf; }
SurfacePtr Surface::getScaled(int dst_wi, int dst_hi, Filter filter) const { SurfacePtr surf = new img::Surface(img::Format_ARGB_8888, dst_wi, dst_hi); getScaled(surf.ref(), filter); return surf; }