90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2012-2014 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2012-2014 KiCad Developers, see CHANGELOG.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/*
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* file polygons_defs.h
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* definitions to use boost::polygon in KiCad.
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*/
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#ifndef _POLYGONS_DEFS_H_
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#define _POLYGONS_DEFS_H_
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#include <boost/polygon/polygon.hpp>
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// Define some types used here from boost::polygon
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namespace bpl = boost::polygon; // bpl = boost polygon library
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using namespace bpl::operators; // +, -, =, ...
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// Definitions needed by boost::polygon
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typedef int coordinate_type;
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/**
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* KI_POLYGON defines a single polygon ( boost::polygon_data type.
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* When holes are created in a KPolygon, they are
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* linked to main outline by overlapping segments,
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* so there is always one polygon and one list of corners
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* coordinates are int
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*/
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typedef bpl::polygon_data<int> KI_POLYGON;
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/**
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* KI_POLYGON_SET defines a set of single KI_POLYGON.
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* A KI_POLYGON_SET is used to store a set of polygons
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* when performing operations between 2 polygons
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* or 2 sets of polygons
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* The result of operations like and, xor... between 2 polygons
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* is always stored in a KI_POLYGON_SET, because these operations
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* can create many polygons
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*/
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typedef std::vector<KI_POLYGON> KI_POLYGON_SET;
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/**
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* KI_POLY_POINT defines a point for boost::polygon.
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* KI_POLY_POINT store x and y coordinates (int)
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*/
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typedef bpl::point_data<int> KI_POLY_POINT;
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/**
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* KI_POLYGON_WITH_HOLES defines a single polygon with holes
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* When holes are created in a KI_POLYGON_WITH_HOLES, they are
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* stored as separate single polygons,
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* KI_POLYGON_WITH_HOLES store always one polygon for the external outline
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* and one list of polygons (holes) which can be empty
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*/
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typedef bpl::polygon_with_holes_data<int> KI_POLYGON_WITH_HOLES;
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/**
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* KI_POLYGON_WITH_HOLES_SET defines a set of KI_POLYGON_WITH_HOLES.
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* A KI_POLYGON_WITH_HOLES_SET is used to store a set of polygons with holes
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* when performing operations between 2 polygons
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* or 2 sets of polygons with holes
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* The result of operations like and, xor... between 2 polygons with holes
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* is always stored in a KI_POLYGON_WITH_HOLES_SET, because these operations
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* can create many separate polygons with holespolygons
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*/
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typedef std::vector<KI_POLYGON_WITH_HOLES> KI_POLYGON_WITH_HOLES_SET;
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#endif // #ifndef _POLYGONS_DEFS_H_
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