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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2017 Jean-Pierre Charras <jp.charras at wanadoo.fr>
* Copyright (C) 2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright The KiCad Developers, see AUTHORS.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 aperture_macro.cpp
*/
#include <gerbview.h>
#include <aperture_macro.h>
#include <gerber_draw_item.h>
void APERTURE_MACRO::InitLocalParams( const D_CODE* aDcode )
{
// store the initial values coming from aDcode into m_localParamValues
// for n parameters, they are local params $1 to $n
m_localParamValues.clear();
// Note: id_param = 1... n, not 0
for( unsigned id_param = 1; id_param <= aDcode->GetParamCount(); id_param++ )
m_localParamValues[id_param] = aDcode->GetParam( id_param );
m_paramLevelEval = 0;
}
void APERTURE_MACRO::EvalLocalParams( const AM_PRIMITIVE& aPrimitive )
{
// Evaluate m_localParamValues from current m_paramLevelEval to
// aPrimitive.m_LocalParamLevel
// if m_paramLevelEval >= m_LocalParamLevel, do nothing: the
// m_localParamValues are already up to date
if( m_paramLevelEval >= aPrimitive.m_LocalParamLevel )
return;
for( ; m_paramLevelEval < aPrimitive.m_LocalParamLevel; m_paramLevelEval++ )
{
AM_PARAM& am_param = m_localParamStack.at( m_paramLevelEval );
int prm_index = am_param.GetIndex();
double value = am_param.GetValueFromMacro( this );
// if am_param value is not yet stored in m_localParamValues, add it.
// if it is already in m_localParamValues, update its value;
m_localParamValues[ prm_index ] = value;
}
}
double APERTURE_MACRO::GetLocalParamValue( int aIndex )
{
// return the local param value stored in m_localParamValues
// if not existing, returns 0
if( m_localParamValues.find( aIndex ) != m_localParamValues.end() )
return m_localParamValues[ aIndex ];
return 0.0;
}
void APERTURE_MACRO::AddPrimitiveToList( AM_PRIMITIVE& aPrimitive )
{
m_primitivesList.push_back( aPrimitive );
m_primitivesList.back().m_LocalParamLevel = m_localParamStack.size();
}
void APERTURE_MACRO::AddLocalParamDefToStack()
{
m_localParamStack.push_back( AM_PARAM() );
}
AM_PARAM& APERTURE_MACRO::GetLastLocalParamDefFromStack()
{
return m_localParamStack.back();
}
SHAPE_POLY_SET* APERTURE_MACRO::GetApertureMacroShape( const GERBER_DRAW_ITEM* aParent,
const VECTOR2I& aShapePos )
{
SHAPE_POLY_SET holeBuffer;
m_shape.RemoveAllContours();
D_CODE* dcode = aParent->GetDcodeDescr();
InitLocalParams( dcode );
for( AM_PRIMITIVE& prim_macro : m_primitivesList )
{
if( prim_macro.m_Primitive_id == AMP_COMMENT )
continue;
if( prim_macro.IsAMPrimitiveExposureOn( this ) )
{
prim_macro.ConvertBasicShapeToPolygon( this, m_shape );
}
else
{
prim_macro.ConvertBasicShapeToPolygon( this, holeBuffer );
if( holeBuffer.OutlineCount() ) // we have a new hole in shape: remove the hole
{
m_shape.BooleanSubtract( holeBuffer );
holeBuffer.RemoveAllContours();
}
}
}
// Merge and cleanup basic shape polygons
m_shape.Simplify();
// A hole can be is defined inside a polygon, or the polygons themselve can create
// a hole when merged, so we must fracture the polygon to be able to drawn it
// (i.e link holes by overlapping edges)
m_shape.Fracture();
// Move m_shape to the actual draw position:
for( int icnt = 0; icnt < m_shape.OutlineCount(); icnt++ )
{
SHAPE_LINE_CHAIN& outline = m_shape.Outline( icnt );
for( int jj = 0; jj < outline.PointCount(); jj++ )
{
VECTOR2I point = outline.CPoint( jj );
point += aShapePos;
point = aParent->GetABPosition( point );
outline.SetPoint( jj, point );
}
}
return &m_shape;
}
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