1 /*! ========================================================================
4 ** $Id: star.cpp,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 /* === H E A D E R S ======================================================= */
32 #include <ETL/stringf>
34 #include <ETL/hermite>
36 #include <synfig/string.h>
37 #include <synfig/time.h>
38 #include <synfig/context.h>
39 #include <synfig/paramdesc.h>
40 #include <synfig/renddesc.h>
41 #include <synfig/surface.h>
42 #include <synfig/value.h>
43 #include <synfig/valuenode.h>
44 #include <synfig/segment.h>
50 /* === M A C R O S ========================================================= */
54 /* === G L O B A L S ======================================================= */
56 SYNFIG_LAYER_INIT(Star);
57 SYNFIG_LAYER_SET_NAME(Star,"star");
58 SYNFIG_LAYER_SET_LOCAL_NAME(Star,_("Star"));
59 SYNFIG_LAYER_SET_CATEGORY(Star,_("Geometry"));
60 SYNFIG_LAYER_SET_VERSION(Star,"0.1");
61 SYNFIG_LAYER_SET_CVS_ID(Star,"$Id: star.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
63 /* === P R O C E D U R E S ================================================= */
65 /* === M E T H O D S ======================================================= */
67 /* === E N T R Y P O I N T ================================================= */
81 Angle dist_between_points(Angle::rot(1)/float(points));
82 std::vector<Point> vector_list;
87 Angle dist1(dist_between_points*i+angle);
88 Angle dist2(dist_between_points*i+dist_between_points/2+angle);
89 vector_list.push_back(Point(Angle::cos(dist1).get()*radius1,Angle::sin(dist1).get()*radius1));
90 vector_list.push_back(Point(Angle::cos(dist2).get()*radius2,Angle::sin(dist2).get()*radius2));
93 add_polygon(vector_list);
97 Star::set_param(const String & param, const ValueBase &value)
99 if( param=="radius1" && value.same_as(radius1))
106 if( param=="radius2" && value.same_as(radius2))
113 if( param=="points" && value.same_as(points))
116 if(points<2)points=2;
121 if( param=="angle" && value.same_as(angle))
128 if(param=="vector_list")
131 return Layer_Polygon::set_param(param,value);
135 Star::get_param(const String& param)const
145 if(param=="vector_list")
148 return Layer_Polygon::get_param(param);
152 Star::get_param_vocab()const
154 Layer::Vocab ret(Layer_Polygon::get_param_vocab());
156 // Pop off the polygon parameter from the polygon vocab
159 ret.push_back(ParamDesc("radius1")
160 .set_local_name(_("Outer Radius"))
161 .set_description(_("The radius of the outer points in the star"))
163 .set_origin("offset")
166 ret.push_back(ParamDesc("radius2")
167 .set_local_name(_("Inner Radius"))
168 .set_description(_("The radius of the inner points in the star"))
170 .set_origin("offset")
173 ret.push_back(ParamDesc("angle")
174 .set_local_name(_("Angle"))
175 .set_description(_("The orientation of the star"))
176 .set_origin("offset")
179 ret.push_back(ParamDesc("points")
180 .set_local_name(_("Points"))
181 .set_description(_("The number of points in the star"))