1 /*! ========================================================================
3 ** Template Header File
4 ** $Id: lineargradient.h,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
6 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
8 ** This package is free software; you can redistribute it and/or
9 ** modify it under the terms of the GNU General Public License as
10 ** published by the Free Software Foundation; either version 2 of
11 ** the License, or (at your option) any later version.
13 ** This package is distributed in the hope that it will be useful,
14 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 ** General Public License for more details.
18 ** === N O T E S ===========================================================
20 ** ========================================================================= */
22 /* === S T A R T =========================================================== */
24 #ifndef __SYNFIG_INTERPOLATION_LINEARGRADIENT_H
25 #define __SYNFIG_INTERPOLATION_LINEARGRADIENT_H
27 /* === H E A D E R S ======================================================= */
29 #include <synfig/vector.h>
30 #include <synfig/layer_composite.h>
31 #include <synfig/gradient.h>
33 /* === M A C R O S ========================================================= */
35 /* === T Y P E D E F S ===================================================== */
37 /* === C L A S S E S & S T R U C T S ======================================= */
39 using namespace synfig;
43 class LinearGradient : public Layer_Composite, public Layer_NoDeform
45 SYNFIG_LAYER_MODULE_EXT
58 synfig::Color color_func(const synfig::Point &x, float supersample=0)const;
60 float calc_supersample(const synfig::Point &x, float pw,float ph)const;
65 virtual bool set_param(const String ¶m, const ValueBase &value);
66 virtual ValueBase get_param(const String ¶m)const;
67 virtual Color get_color(Context context, const Point &pos)const;
68 virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
69 synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
71 virtual Vocab get_param_vocab()const;
74 /* === E N D =============================================================== */