1 /* === S Y N F I G ========================================================= */
2 /*! \file sphere_distort.h
3 ** \brief Sphere Distort Header
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_SPHERE_DISTORT_H
26 #define __SYNFIG_SPHERE_DISTORT_H
28 /* === H E A D E R S ======================================================= */
30 #include <synfig/layer_composite.h>
31 #include <synfig/vector.h>
32 #include <synfig/rect.h>
34 /* === M A C R O S ========================================================= */
36 /* === T Y P E D E F S ===================================================== */
38 /* === C L A S S E S & S T R U C T S ======================================= */
43 class Layer_SphereDistort : public Layer_Composite
45 SYNFIG_LAYER_MODULE_EXT
46 friend class Spherize_Trans;
57 // static Point sphtrans(const Point &xoff, const Point ¢er, const Real &radius, const Real &percent, int type);
59 // static double spherify(double xoff);
60 // static double unspherify(double xoff);
70 Layer_SphereDistort();
72 virtual bool set_param(const String & param, const synfig::ValueBase &value);
74 virtual ValueBase get_param(const String & param)const;
76 virtual Color get_color(Context context, const Point &pos)const;
78 virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
79 synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
81 virtual Rect get_bounding_rect()const;
83 virtual Vocab get_param_vocab()const;
84 virtual etl::handle<synfig::Transform> get_transform()const;
85 }; // END of class Layer_SphereDistort
89 /* === E N D =============================================================== */