1 /* === S Y N F I G ========================================================= */
2 /*! \file curvegradient.h
3 ** \brief Header file for implementation of the "Curve Gradient" layer
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007-2008 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 ** === N O T E S ===========================================================
24 ** ========================================================================= */
26 /* === S T A R T =========================================================== */
28 #ifndef __SYNFIG_CURVEGRADIENT_H
29 #define __SYNFIG_CURVEGRADIENT_H
31 /* === H E A D E R S ======================================================= */
33 #include <synfig/vector.h>
34 #include <synfig/layer_composite.h>
35 #include <synfig/gradient.h>
36 #include <synfig/blinepoint.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 using namespace synfig;
48 class CurveGradient : public Layer_Composite, public Layer_NoDeform
50 SYNFIG_LAYER_MODULE_EXT
53 std::vector<synfig::BLinePoint> bline;
68 synfig::Color color_func(const synfig::Point &x, int quality=10, float supersample=0)const;
70 float calc_supersample(const synfig::Point &x, float pw,float ph)const;
75 virtual bool set_param(const String ¶m, const ValueBase &value);
76 virtual ValueBase get_param(const String ¶m)const;
77 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 Vocab get_param_vocab()const;
84 /* === E N D =============================================================== */