kicad/pcbnew/pad_custom_shape_functions.cpp

168 lines
5.2 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2023 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
*/
#include <board.h>
#include <board_design_settings.h>
#include <board_item.h>
#include <pcb_shape.h>
#include <pad.h>
#include <convert_basic_shapes_to_polygon.h>
#include <geometry/shape_rect.h>
/*
* Has meaning only for free shape pads.
* add a free shape to the shape list.
* the shape is a polygon (can be with thick outline), segment, circle or arc
*/
void PAD::AddPrimitivePoly( const SHAPE_POLY_SET& aPoly, int aThickness, bool aFilled )
{
// If aPoly has holes, convert it to a polygon with no holes.
SHAPE_POLY_SET poly_no_hole;
poly_no_hole.Append( aPoly );
if( poly_no_hole.HasHoles() )
poly_no_hole.Fracture( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
// There should never be multiple shapes, but if there are, we split them into
// primitives so that we can edit them both.
for( int ii = 0; ii < poly_no_hole.OutlineCount(); ++ii )
{
SHAPE_POLY_SET poly_outline( poly_no_hole.COutline( ii ) );
PCB_SHAPE* item = new PCB_SHAPE();
item->SetShape( SHAPE_T::POLY );
item->SetFilled( aFilled );
item->SetPolyShape( poly_outline );
item->SetStroke( STROKE_PARAMS( aThickness, PLOT_DASH_TYPE::SOLID ) );
item->SetParent( this );
m_editPrimitives.emplace_back( item );
}
SetDirty();
}
void PAD::AddPrimitivePoly( const std::vector<VECTOR2I>& aPoly, int aThickness, bool aFilled )
{
PCB_SHAPE* item = new PCB_SHAPE( nullptr, SHAPE_T::POLY );
item->SetFilled( aFilled );
item->SetPolyPoints( aPoly );
item->SetStroke( STROKE_PARAMS( aThickness, PLOT_DASH_TYPE::SOLID ) );
item->SetParent( this );
m_editPrimitives.emplace_back( item );
SetDirty();
}
void PAD::ReplacePrimitives( const std::vector<std::shared_ptr<PCB_SHAPE>>& aPrimitivesList )
{
// clear old list
DeletePrimitivesList();
// Import to the given shape list
if( aPrimitivesList.size() )
AppendPrimitives( aPrimitivesList );
SetDirty();
}
void PAD::AppendPrimitives( const std::vector<std::shared_ptr<PCB_SHAPE>>& aPrimitivesList )
{
// Add duplicates of aPrimitivesList to the pad primitives list:
for( const std::shared_ptr<PCB_SHAPE>& prim : aPrimitivesList )
AddPrimitive( new PCB_SHAPE( *prim ) );
SetDirty();
}
void PAD::AddPrimitive( PCB_SHAPE* aPrimitive )
{
aPrimitive->SetParent( this );
m_editPrimitives.emplace_back( aPrimitive );
SetDirty();
}
// clear the basic shapes list and associated data
void PAD::DeletePrimitivesList()
{
m_editPrimitives.clear();
SetDirty();
}
void PAD::addPadPrimitivesToPolygon( SHAPE_POLY_SET* aMergedPolygon, int aError,
ERROR_LOC aErrorLoc ) const
{
SHAPE_POLY_SET polyset;
for( const std::shared_ptr<PCB_SHAPE>& primitive : m_editPrimitives )
{
if( !primitive->IsProxyItem() )
primitive->TransformShapeToPolygon( polyset, UNDEFINED_LAYER, 0, aError, aErrorLoc );
}
polyset.Simplify( SHAPE_POLY_SET::PM_FAST );
// Merge all polygons with the initial pad anchor shape
if( polyset.OutlineCount() )
{
aMergedPolygon->BooleanAdd( polyset, SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
aMergedPolygon->Fracture( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
}
}
void PAD::MergePrimitivesAsPolygon( SHAPE_POLY_SET* aMergedPolygon, ERROR_LOC aErrorLoc ) const
{
const BOARD* board = GetBoard();
int maxError = board ? board->GetDesignSettings().m_MaxError : ARC_HIGH_DEF;
aMergedPolygon->RemoveAllContours();
// Add the anchor pad shape in aMergedPolygon, others in aux_polyset:
// The anchor pad is always at 0,0
switch( GetAnchorPadShape() )
{
case PAD_SHAPE::RECTANGLE:
{
SHAPE_RECT rect( -GetSize().x / 2, -GetSize().y / 2, GetSize().x, GetSize().y );
aMergedPolygon->AddOutline( rect.Outline() );
}
break;
default:
case PAD_SHAPE::CIRCLE:
TransformCircleToPolygon( *aMergedPolygon, VECTOR2I( 0, 0 ), GetSize().x / 2, maxError,
aErrorLoc );
break;
}
addPadPrimitivesToPolygon( aMergedPolygon, maxError, aErrorLoc );
}