1 /* === S Y N F I G ========================================================= */
2 /*! \file layer_motionblur.h
3 ** \brief Header file for implementation of the "Motion Blur" layer
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2008 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === S T A R T =========================================================== */
26 #ifndef __SYNFIG_LAYER_MOTIONBLUR_H__
27 #define __SYNFIG_LAYER_MOTIONBLUR_H__
29 /* === H E A D E R S ======================================================= */
31 #include "layer_composite.h"
34 /* === S T R U C T S & C L A S S E S ======================================= */
38 class Layer_MotionBlur : public synfig::Layer_Composite
40 SYNFIG_LAYER_MODULE_EXT
44 SUBSAMPLING_CONSTANT=0, //!< weight each subsample equally
45 SUBSAMPLING_LINEAR=1, //!< fade in subsamples linearly
46 SUBSAMPLING_HYPERBOLIC=2, //!< fade in subsamples by a hyperbolic curve (default style of 0.62 and previous)
48 SUBSAMPLING_END=2 //!< \internal
53 Real subsamples_factor;
54 SubsamplingType subsampling_type;
57 mutable Time time_cur;
61 virtual bool set_param(const String & param, const synfig::ValueBase &value);
62 virtual ValueBase get_param(const String & param)const;
63 virtual Color get_color(Context context, const Point &pos)const;
64 virtual void set_time(Context context, Time time)const;
65 virtual void set_time(Context context, Time time, const Point &point)const;
66 virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
67 virtual Vocab get_param_vocab()const;
68 virtual bool reads_context()const { return true; }
69 }; // END of class Layer_MotionBlur
71 }; // END of namespace synfig
73 /* === E N D =============================================================== */