1 /* === S Y N F I G ========================================================= */
3 ** \brief Header file for implementation of the "Noise Gradient" layer
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === S T A R T =========================================================== */
25 #ifndef __SYNFIG_NOISE_H
26 #define __SYNFIG_NOISE_H
28 /* === H E A D E R S ======================================================= */
30 #include <synfig/vector.h>
31 #include <synfig/valuenode.h>
33 #include <synfig/layer_composite.h>
34 #include <synfig/gradient.h>
35 #include <synfig/time.h>
38 /* === M A C R O S ========================================================= */
40 /* === T Y P E D E F S ===================================================== */
42 /* === C L A S S E S & S T R U C T S ======================================= */
44 class Noise : public synfig::Layer_Composite, public synfig::Layer_NoDeform
46 SYNFIG_LAYER_MODULE_EXT
53 Random::SmoothType smooth;
56 synfig::Gradient gradient;
60 synfig::Vector displacement;
63 mutable synfig::Time curr_time;
67 synfig::Color color_func(const synfig::Point &x, float supersample,synfig::Context context)const;
69 float calc_supersample(const synfig::Point &x, float pw,float ph)const;
74 virtual bool set_param(const synfig::String ¶m, const synfig::ValueBase &value);
75 virtual synfig::ValueBase get_param(const synfig::String ¶m)const;
76 virtual synfig::Color get_color(synfig::Context context, const synfig::Point &pos)const;
77 virtual bool accelerated_render(synfig::Context context,synfig::Surface *surface,int quality, const synfig::RendDesc &renddesc, synfig::ProgressCallback *cb)const;
78 synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
79 virtual void set_time(synfig::Context context, synfig::Time time)const;
80 virtual void set_time(synfig::Context context, synfig::Time time, const synfig::Point &point)const;
82 virtual Vocab get_param_vocab()const;
85 /* === E N D =============================================================== */