boost::shared_ptr<Image> crop (Crop c, bool aligned) const;
boost::shared_ptr<Image> crop_scale_window (Crop c, dcp::Size, dcp::Size, Scaler const *, AVPixelFormat, bool aligned) const;
boost::shared_ptr<Image> crop (Crop c, bool aligned) const;
boost::shared_ptr<Image> crop_scale_window (Crop c, dcp::Size, dcp::Size, Scaler const *, AVPixelFormat, bool aligned) const;