1 /* === S Y N F I G ========================================================= */
2 /*! \file sphere_distort.h
3 ** \brief Header file for implementation of the "Spherize" 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_SPHERE_DISTORT_H
27 #define __SYNFIG_SPHERE_DISTORT_H
29 /* === H E A D E R S ======================================================= */
31 #include <synfig/layer_composite.h>
32 #include <synfig/vector.h>
33 #include <synfig/rect.h>
35 /* === M A C R O S ========================================================= */
37 /* === T Y P E D E F S ===================================================== */
39 /* === C L A S S E S & S T R U C T S ======================================= */
44 class Layer_SphereDistort : public Layer
46 SYNFIG_LAYER_MODULE_EXT
47 friend class Spherize_Trans;
58 // static Point sphtrans(const Point &xoff, const Point ¢er, const Real &radius, const Real &percent, int type);
60 // static double spherify(double xoff);
61 // static double unspherify(double xoff);
71 Layer_SphereDistort();
73 virtual bool set_param(const String & param, const synfig::ValueBase &value);
75 virtual ValueBase get_param(const String & param)const;
77 virtual Color get_color(Context context, const Point &pos)const;
79 virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
80 synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
82 virtual Rect get_bounding_rect()const;
84 virtual Vocab get_param_vocab()const;
85 virtual etl::handle<synfig::Transform> get_transform()const;
86 }; // END of class Layer_SphereDistort
90 /* === E N D =============================================================== */