/* === S Y N F I G ========================================================= */
/*! \file layer_motionblur.h
** \brief Header file for implementation of the "Motion Blur" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_LAYER_MOTIONBLUR_H__
#define __SYNFIG_LAYER_MOTIONBLUR_H__
/* === H E A D E R S ======================================================= */
#include "layer_composite_fork.h"
#include <synfig/time.h>
/* === S T R U C T S & C L A S S E S ======================================= */
namespace synfig {
class Layer_MotionBlur : public synfig::Layer_CompositeFork
{
SYNFIG_LAYER_MODULE_EXT
enum SubsamplingType
{
SUBSAMPLING_CONSTANT=0, //!< weight each subsample equally
SUBSAMPLING_LINEAR=1, //!< fade in subsamples linearly
SUBSAMPLING_HYPERBOLIC=2, //!< fade in subsamples by a hyperbolic curve (default style of 0.62 and previous)
SUBSAMPLING_END=2 //!< \internal
};
private:
ValueBase param_aperture;
ValueBase param_subsamples_factor;
ValueBase param_subsampling_type;
ValueBase param_subsample_start;
ValueBase param_subsample_end;
public:
Layer_MotionBlur();
virtual bool set_param(const String & param, const synfig::ValueBase &value);
virtual ValueBase get_param(const String & param)const;
virtual Color get_color(Context context, const Point &pos)const;
virtual Vocab get_param_vocab()const;
virtual bool reads_context()const { return true; }
protected:
virtual rendering::Task::Handle build_rendering_task_vfunc(Context context) const;
}; // END of class Layer_MotionBlur
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif