Remove ancient trunk folder from svn repository

[synfig.git] / synfig-core / src / modules / mod_geometry / star.cpp

diff --git a/synfig-core/src/modules/mod_geometry/star.cpp b/synfig-core/src/modules/mod_geometry/star.cpp
new file mode 100644 (file)
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+++ b/synfig-core/src/modules/mod_geometry/star.cpp
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+/* === 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(&regular_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;
+}