kicad/pcbnew/router/pns_utils.h

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
* 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 3 of the License, or (at your
* option) any later version.
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*
* 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.
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*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PNS_UTILS_H
#define __PNS_UTILS_H
#include <math/vector2d.h>
#include <math/box2.h>
#include <geometry/shape_line_chain.h>
#include <geometry/shape_segment.h>
#include <geometry/shape_rect.h>
#include <geometry/shape_simple.h>
namespace PNS {
constexpr int HULL_MARGIN = 10;
class ITEM;
class LINE;
/** Various utility functions */
const SHAPE_LINE_CHAIN ArcHull( const SHAPE_ARC& aSeg, int aClearance, int aWalkaroundThickness );
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const SHAPE_LINE_CHAIN OctagonalHull( const VECTOR2I& aP0, const VECTOR2I& aSize,
int aClearance, int aChamfer );
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const SHAPE_LINE_CHAIN SegmentHull( const SHAPE_SEGMENT& aSeg, int aClearance,
int aWalkaroundThickness );
/**
* Function ConvexHull()
*
* Creates an octagonal hull around a convex polygon.
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* @param aConvex The convex polygon.
* @param aClearance The minimum distance between polygon and hull.
* @return A closed line chain describing the octagon.
*/
const SHAPE_LINE_CHAIN ConvexHull( const SHAPE_SIMPLE& aConvex, int aClearance );
SHAPE_RECT ApproximateSegmentAsRect( const SHAPE_SEGMENT& aSeg );
OPT_BOX2I ChangedArea( const ITEM* aItemA, const ITEM* aItemB );
OPT_BOX2I ChangedArea( const LINE& aLineA, const LINE& aLineB );
void HullIntersection( const SHAPE_LINE_CHAIN& hull, const SHAPE_LINE_CHAIN& line,
SHAPE_LINE_CHAIN::INTERSECTIONS& ips );
}
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#endif // __PNS_UTILS_H