kicad/utils/kicad2step/pcb/base.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
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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 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 base.h
* Provide declarations of items which are basic to all kicad2mcad code.
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*/
#ifndef KICADBASE_H
#define KICADBASE_H
#include <core/optional.h>
#include <ostream>
///< Default minimum distance between points to treat them as separate ones (mm)
static constexpr double MIN_DISTANCE = 0.01;
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namespace SEXPR
{
class SEXPR;
}
enum CURVE_TYPE
{
CURVE_NONE = 0, // invalid curve
CURVE_LINE,
CURVE_POLYGON,
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CURVE_ARC,
CURVE_CIRCLE,
CURVE_BEZIER
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};
/*
* Layers of importance to MCAD export:
* - LAYER_TOP: specifies that a footprint is on the top of the PCB
* - LAYER_BOTTOM: specifies that a footprint is on the bottom of the PCB
* - LAYER_EDGE: specifies that a Curve is associated with the PCB edge
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*/
enum LAYERS
{
LAYER_NONE = 0, // no layer specified (bad object)
LAYER_TOP, // top side
LAYER_BOTTOM, // bottom side
LAYER_EDGE // edge data
};
struct DOUBLET
{
double x;
double y;
DOUBLET() : x( 0.0 ), y( 0.0 ) { return; }
DOUBLET( double aX, double aY ) : x( aX ), y( aY ) { return; }
};
std::ostream& operator<<( std::ostream& aStream, const DOUBLET& aDoublet );
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struct TRIPLET
{
double x;
double y;
union
{
double z;
double angle;
};
TRIPLET() : x( 0.0 ), y( 0.0 ), z( 0.0 ) { return; }
TRIPLET( double aX, double aY, double aZ ) : x( aX ), y( aY ), z( aZ ) { return; }
};
std::ostream& operator<<( std::ostream& aStream, const TRIPLET& aTriplet );
bool Get2DPositionAndRotation( const SEXPR::SEXPR* data, DOUBLET& aPosition, double& aRotation );
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bool Get2DCoordinate( const SEXPR::SEXPR* data, DOUBLET& aCoordinate );
bool Get3DCoordinate( const SEXPR::SEXPR* data, TRIPLET& aCoordinate );
bool GetXYZRotation( const SEXPR::SEXPR* data, TRIPLET& aRotation );
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/**
* Get the layer name from a layer element, if the layer is syntactically valid.
*
* E.g. (layer "Edge.Cuts") -> "Edge.Cuts"
*
* @param aLayerElem the s-expr element to get the name from.
* @return the layer name if valid, else empty.
*/
OPT<std::string> GetLayerName( const SEXPR::SEXPR& aLayerElem );
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#endif // KICADBASE_H