1 /* === S I N F G =========================================================== */
2 /*! \file spiralgradient.h
3 ** \brief Template Header
5 ** $Id: spiralgradient.h,v 1.1.1.1 2005/01/04 01:23:11 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
14 ** You may not copy, print, publish, or in any
15 ** other way distribute this software without
16 ** a prior written agreement with
17 ** the copyright holder.
20 /* ========================================================================= */
22 /* === S T A R T =========================================================== */
24 #ifndef __SINFG_SPIRALGRADIENT_H
25 #define __SINFG_SPIRALGRADIENT_H
27 /* === H E A D E R S ======================================================= */
29 #include <sinfg/layer_composite.h>
30 #include <sinfg/color.h>
31 #include <sinfg/vector.h>
32 #include <sinfg/value.h>
33 #include <sinfg/gradient.h>
34 #include <sinfg/angle.h>
36 /* === M A C R O S ========================================================= */
38 /* === T Y P E D E F S ===================================================== */
40 /* === C L A S S E S & S T R U C T S ======================================= */
42 class SpiralGradient : public sinfg::Layer_Composite, public sinfg::Layer_NoDeform
44 SINFG_LAYER_MODULE_EXT
48 sinfg::Gradient gradient;
58 sinfg::Color color_func(const sinfg::Point &x, float supersample=0)const;
60 float calc_supersample(const sinfg::Point &x, float pw,float ph)const;
66 virtual bool set_param(const sinfg::String & param, const sinfg::ValueBase &value);
68 virtual sinfg::ValueBase get_param(const sinfg::String & param)const;
70 virtual sinfg::Color get_color(sinfg::Context context, const sinfg::Point &pos)const;
72 virtual bool accelerated_render(sinfg::Context context,sinfg::Surface *surface,int quality, const sinfg::RendDesc &renddesc, sinfg::ProgressCallback *cb)const;
73 sinfg::Layer::Handle hit_check(sinfg::Context context, const sinfg::Point &point)const;
75 virtual Vocab get_param_vocab()const;
76 }; // END of class SpiralGradient
78 /* === E N D =============================================================== */