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
9 ** Copyright (c) 2007 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_NOISE_H
27 #define __SYNFIG_NOISE_H
29 /* === H E A D E R S ======================================================= */
31 #include <synfig/vector.h>
32 #include <synfig/valuenode.h>
34 #include <synfig/layer_composite.h>
35 #include <synfig/gradient.h>
36 #include <synfig/time.h>
39 /* === M A C R O S ========================================================= */
41 /* === T Y P E D E F S ===================================================== */
43 /* === C L A S S E S & S T R U C T S ======================================= */
45 class Noise : public synfig::Layer_Composite, public synfig::Layer_NoDeform
47 SYNFIG_LAYER_MODULE_EXT
54 Random::SmoothType smooth;
57 synfig::Gradient gradient;
61 synfig::Vector displacement;
64 mutable synfig::Time curr_time;
68 synfig::Color color_func(const synfig::Point &x, float supersample,synfig::Context context)const;
70 float calc_supersample(const synfig::Point &x, float pw,float ph)const;
75 virtual bool set_param(const synfig::String ¶m, const synfig::ValueBase &value);
76 virtual synfig::ValueBase get_param(const synfig::String ¶m)const;
77 virtual synfig::Color get_color(synfig::Context context, const synfig::Point &pos)const;
78 virtual bool accelerated_render(synfig::Context context,synfig::Surface *surface,int quality, const synfig::RendDesc &renddesc, synfig::ProgressCallback *cb)const;
79 synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
80 virtual void set_time(synfig::Context context, synfig::Time time)const;
81 virtual void set_time(synfig::Context context, synfig::Time time, const synfig::Point &point)const;
83 virtual Vocab get_param_vocab()const;
86 /* === E N D =============================================================== */