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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012-2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2012-2014 KiCad Developers, see CHANGELOG.TXT for contributors.
*
* This program 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 program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* file polygons_defs.h
* definitions to use boost::polygon in KiCad.
*/
#ifndef _POLYGONS_DEFS_H_
#define _POLYGONS_DEFS_H_
#include <boost/polygon/polygon.hpp>
// Define some types used here from boost::polygon
namespace bpl = boost::polygon; // bpl = boost polygon library
using namespace bpl::operators; // +, -, =, ...
// Definitions needed by boost::polygon
typedef int coordinate_type;
/**
* KI_POLYGON defines a single polygon ( boost::polygon_data type.
* When holes are created in a KPolygon, they are
* linked to main outline by overlapping segments,
* so there is always one polygon and one list of corners
* coordinates are int
*/
typedef bpl::polygon_data<int> KI_POLYGON;
/**
* KI_POLYGON_SET defines a set of single KI_POLYGON.
* A KI_POLYGON_SET is used to store a set of polygons
* when performing operations between 2 polygons
* or 2 sets of polygons
* The result of operations like and, xor... between 2 polygons
* is always stored in a KI_POLYGON_SET, because these operations
* can create many polygons
*/
typedef std::vector<KI_POLYGON> KI_POLYGON_SET;
/**
* KI_POLY_POINT defines a point for boost::polygon.
* KI_POLY_POINT store x and y coordinates (int)
*/
typedef bpl::point_data<int> KI_POLY_POINT;
/**
* KI_POLYGON_WITH_HOLES defines a single polygon with holes
* When holes are created in a KI_POLYGON_WITH_HOLES, they are
* stored as separate single polygons,
* KI_POLYGON_WITH_HOLES store always one polygon for the external outline
* and one list of polygons (holes) which can be empty
*/
typedef bpl::polygon_with_holes_data<int> KI_POLYGON_WITH_HOLES;
/**
* KI_POLYGON_WITH_HOLES_SET defines a set of KI_POLYGON_WITH_HOLES.
* A KI_POLYGON_WITH_HOLES_SET is used to store a set of polygons with holes
* when performing operations between 2 polygons
* or 2 sets of polygons with holes
* The result of operations like and, xor... between 2 polygons with holes
* is always stored in a KI_POLYGON_WITH_HOLES_SET, because these operations
* can create many separate polygons with holespolygons
*/
typedef std::vector<KI_POLYGON_WITH_HOLES> KI_POLYGON_WITH_HOLES_SET;
#endif // #ifndef _POLYGONS_DEFS_H_
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