--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file star.cpp
+** \brief Implementation of the "Star" layer
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007-2008 Chris Moore
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "star.h"
+#include <ETL/stringf>
+#include <ETL/bezier>
+#include <ETL/hermite>
+
+#include <synfig/string.h>
+#include <synfig/time.h>
+#include <synfig/context.h>
+#include <synfig/paramdesc.h>
+#include <synfig/renddesc.h>
+#include <synfig/surface.h>
+#include <synfig/value.h>
+#include <synfig/valuenode.h>
+#include <synfig/segment.h>
+
+#endif
+
+using namespace etl;
+
+/* === M A C R O S ========================================================= */
+
+#define SAMPLES 75
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(Star);
+SYNFIG_LAYER_SET_NAME(Star,"star");
+SYNFIG_LAYER_SET_LOCAL_NAME(Star,N_("Star"));
+SYNFIG_LAYER_SET_CATEGORY(Star,N_("Geometry"));
+SYNFIG_LAYER_SET_VERSION(Star,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(Star,"$Id$");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+/* === E N T R Y P O I N T ================================================= */
+
+Star::Star():
+ radius1(1.0),
+ radius2(0.38),
+ points(5),
+ angle(Angle::deg(90)),
+ regular_polygon(false)
+{
+ sync();
+}
+
+void
+Star::sync()
+{
+ Angle dist_between_points(Angle::rot(1)/float(points));
+ std::vector<Point> vector_list;
+
+ int i;
+ for(i=0;i<points;i++)
+ {
+ Angle dist1(dist_between_points*i+angle);
+ Angle dist2(dist_between_points*i+dist_between_points/2+angle);
+ vector_list.push_back(Point(Angle::cos(dist1).get()*radius1,Angle::sin(dist1).get()*radius1));
+ if (!regular_polygon)
+ vector_list.push_back(Point(Angle::cos(dist2).get()*radius2,Angle::sin(dist2).get()*radius2));
+ }
+ clear();
+ add_polygon(vector_list);
+}
+
+bool
+Star::set_param(const String & param, const ValueBase &value)
+{
+ if( param=="radius1" && value.same_type_as(radius1))
+ {
+ value.put(&radius1);
+ sync();
+ return true;
+ }
+
+ if( param=="radius2" && value.same_type_as(radius2))
+ {
+ value.put(&radius2);
+ sync();
+ return true;
+ }
+
+ if( param=="points" && value.same_type_as(points))
+ {
+ value.put(&points);
+ if(points<2)points=2;
+ sync();
+ return true;
+ }
+
+ if( param=="angle" && value.same_type_as(angle))
+ {
+ value.put(&angle);
+ sync();
+ return true;
+ }
+
+ if(param=="regular_polygon" && value.same_type_as(regular_polygon))
+ {
+ value.put(®ular_polygon);
+ sync();
+ return true;
+ }
+
+ if(param=="vector_list")
+ return false;
+
+ return Layer_Polygon::set_param(param,value);
+}
+
+ValueBase
+Star::get_param(const String& param)const
+{
+ EXPORT(radius1);
+ EXPORT(radius2);
+ EXPORT(points);
+ EXPORT(angle);
+ EXPORT(regular_polygon);
+
+ EXPORT_NAME();
+ EXPORT_VERSION();
+
+ if(param=="vector_list")
+ return ValueBase();
+
+ return Layer_Polygon::get_param(param);
+}
+
+Layer::Vocab
+Star::get_param_vocab()const
+{
+ Layer::Vocab ret(Layer_Polygon::get_param_vocab());
+
+ // Pop off the polygon parameter from the polygon vocab
+ ret.pop_back();
+
+ ret.push_back(ParamDesc("radius1")
+ .set_local_name(_("Outer Radius"))
+ .set_description(_("The radius of the outer points in the star"))
+ .set_is_distance()
+ .set_origin("origin")
+ );
+
+ ret.push_back(ParamDesc("radius2")
+ .set_local_name(_("Inner Radius"))
+ .set_description(_("The radius of the inner points in the star"))
+ .set_is_distance()
+ .set_origin("origin")
+ );
+
+ ret.push_back(ParamDesc("angle")
+ .set_local_name(_("Angle"))
+ .set_description(_("The orientation of the star"))
+ .set_origin("origin")
+ );
+
+ ret.push_back(ParamDesc("points")
+ .set_local_name(_("Points"))
+ .set_description(_("The number of points in the star"))
+ );
+
+ ret.push_back(ParamDesc("regular_polygon")
+ .set_local_name(_("Regular Polygon"))
+ .set_description(_("Whether to draw a star or a regular polygon"))
+ );
+
+ return ret;
+}