pcad_pad.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2007, 2008 Lubo Racko <[email protected]>
 * Copyright (C) 2007, 2008, 2012-2013 Alexander Lunev <[email protected]>
 * Copyright (C) 2012-2023 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 <pcad/pcad_pad.h>
#include <pcad/pcad_pad_shape.h>
 
#include <board.h>
#include <footprint.h>
#include <pad.h>
#include <pcb_track.h>
#include <trigo.h>
#include <xnode.h>
 
#include <wx/string.h>
 
namespace PCAD2KICAD {
 
 
PCAD_PAD::PCAD_PAD( PCAD_CALLBACKS* aCallbacks, BOARD* aBoard ) :
 PCAD_PCB_COMPONENT( aCallbacks, aBoard )
{
 m_ObjType = wxT( 'P' );
 m_Number = 0;
 m_Hole = 0;
 m_IsHolePlated = true;
 m_defaultPinDes = wxEmptyString;
}
 
 
PCAD_PAD::~PCAD_PAD()
{
 int i;
 
 for( i = 0; i < (int) m_Shapes.GetCount(); i++ )
 delete m_Shapes[i];
}
 
 
void PCAD_PAD::Parse( XNODE* aNode, const wxString& aDefaultUnits,
 const wxString& aActualConversion )
{
 XNODE* lNode;
 XNODE* cNode;
 long num;
 wxString propValue, str, emsg;
 PCAD_PAD_SHAPE* padShape;
 
 m_Rotation = ANGLE_0;
 lNode = FindNode( aNode, wxT( "padNum" ) );
 
 if( lNode )
 {
 lNode->GetNodeContent().ToLong( &num );
 m_Number = (int) num;
 }
 
 lNode = FindNode( aNode, wxT( "padStyleRef" ) );
 
 if( lNode )
 {
 lNode->GetAttribute( wxT( "Name" ), &propValue );
 propValue.Trim( false );
 m_Name.text = propValue;
 }
 
 lNode = FindNode( aNode, wxT( "pt" ) );
 
 if( lNode )
 {
 SetPosition( lNode->GetNodeContent(), aDefaultUnits, &m_PositionX, &m_PositionY,
 aActualConversion );
 }
 
 lNode = FindNode( aNode, wxT( "rotation" ) );
 
 if( lNode )
 {
 str = lNode->GetNodeContent();
 str.Trim( false );
 m_Rotation = EDA_ANGLE( StrToInt1Units( str ), TENTHS_OF_A_DEGREE_T );
 }
 
 lNode = FindNode( aNode, wxT( "netNameRef" ) );
 
 if( lNode )
 {
 lNode->GetAttribute( wxT( "Name" ), &propValue );
 propValue.Trim( false );
 propValue.Trim( true );
 m_Net = propValue;
 m_NetCode = GetNetCode( m_Net );
 }
 
 lNode = FindNode( aNode, wxT( "defaultPinDes" ) );
 
 if( lNode )
 {
 lNode->GetAttribute( wxT( "Name" ), &propValue );
 
 //propValue.Trim( false );
 m_defaultPinDes = propValue;
 }
 
 lNode = aNode;
 
 while( lNode && lNode->GetName() != wxT( "www.lura.sk" ) )
 lNode = lNode->GetParent();
 
 lNode = FindNode( lNode, wxT( "library" ) );
 
 if ( !lNode )
 THROW_IO_ERROR( wxT( "Unable to find library section" ) );
 
 lNode = FindNode( lNode, wxT( "padStyleDef" ) );
 
 while( lNode )
 {
 lNode->GetAttribute( wxT( "Name" ), &propValue );
 
 if( propValue.IsSameAs( m_Name.text, false) )
 break;
 
 lNode = lNode->GetNext();
 }
 
 if ( !lNode )
 THROW_IO_ERROR( wxString::Format( wxT( "Unable to find padStyleDef " ) + m_Name.text ) );
 
 cNode = FindNode( lNode, wxT( "holeDiam" ) );
 
 if( cNode )
 SetWidth( cNode->GetNodeContent(), aDefaultUnits, &m_Hole, aActualConversion );
 
 if( FindNodeGetContent( lNode, wxT( "isHolePlated" ) ).IsSameAs( wxT( "False" ), false ) )
 m_IsHolePlated = false;
 
 cNode = FindNode( lNode, wxT( "padShape" ) );
 
 while( cNode )
 {
 if( cNode->GetName().IsSameAs( wxT( "padShape" ), false ) )
 {
 // we support only Pads on specific layers......
 // we do not support pads on "Plane", "NonSignal" , "Signal" ... layerr
 if( FindNode( cNode, wxT( "layerNumRef" ) ) )
 {
 padShape = new PCAD_PAD_SHAPE( m_callbacks, m_board );
 padShape->Parse( cNode, aDefaultUnits, aActualConversion );
 m_Shapes.Add( padShape );
 }
 }
 
 cNode = cNode->GetNext();
 }
}
 
 
void PCAD_PAD::Flip()
{
 int i;
 
 PCAD_PCB_COMPONENT::Flip();
 
 if( m_ObjType == wxT( 'P' ) )
 m_Rotation = -m_Rotation;
 
 for( i = 0; i < (int)m_Shapes.GetCount(); i++ )
 m_Shapes[i]->m_KiCadLayer = FlipLayer( m_Shapes[i]->m_KiCadLayer );
}
 
 
void PCAD_PAD::AddToFootprint( FOOTPRINT* aFootprint, const EDA_ANGLE& aRotation,
 bool aEncapsulatedPad )
{
 PCAD_PAD_SHAPE* padShape;
 wxString padShapeName = wxT( "Ellipse" );
 PAD_ATTRIB padType;
 int i;
 int width = 0;
 int height = 0;
 
 PAD* pad = new PAD( aFootprint );
 
 if( !m_IsHolePlated && m_Hole )
 {
 // mechanical hole
 pad->SetShape( PAD_SHAPE::CIRCLE );
 pad->SetAttribute( PAD_ATTRIB::NPTH );
 
 pad->SetDrillShape( PAD_DRILL_SHAPE_CIRCLE );
 pad->SetDrillSize( VECTOR2I( m_Hole, m_Hole ) );
 pad->SetSize( VECTOR2I( m_Hole, m_Hole ) );
 
 // Mounting Hole: Solder Mask Margin from Top Layer Width size.
 // Used the default zone clearance (simplify)
 if( m_Shapes.GetCount() && m_Shapes[0]->m_Shape.IsSameAs( wxT( "MtHole" ), false ) )
 {
 int sm_margin = ( m_Shapes[0]->m_Width - m_Hole ) / 2;
 pad->SetLocalSolderMaskMargin( sm_margin );
 pad->SetLocalClearance( sm_margin + pcbIUScale.mmToIU( 0.254 ) );
 }
 
 pad->SetLayerSet( LSET::AllCuMask() | LSET( 2, B_Mask, F_Mask ) );
 }
 else
 {
 ( m_Hole ) ? padType = PAD_ATTRIB::PTH : padType = PAD_ATTRIB::SMD;
 
 // form layer mask
 for( i = 0; i < (int) m_Shapes.GetCount(); i++ )
 {
 padShape = m_Shapes[i];
 
 if( padShape->m_Width > 0 && padShape->m_Height > 0 )
 {
 if( padShape->m_KiCadLayer == F_Cu ||
 padShape->m_KiCadLayer == B_Cu )
 {
 padShapeName = padShape->m_Shape;
 width = padShape->m_Width;
 height = padShape->m_Height;
 
 // assume this is SMD pad
 if( padShape->m_KiCadLayer == F_Cu )
 pad->SetLayerSet( LSET( 3, F_Cu, F_Paste, F_Mask ) );
 else
 pad->SetLayerSet( LSET( 3, B_Cu, B_Paste, B_Mask ) );
 
 break;
 }
 }
 }
 
 if( width == 0 || height == 0 )
 {
 delete pad;
 return;
 }
 
 if( padType == PAD_ATTRIB::PTH )
 // actually this is a thru-hole pad
 pad->SetLayerSet( LSET::AllCuMask() | LSET( 2, B_Mask, F_Mask ) );
 
 pad->SetNumber( m_Name.text );
 
 if( padShapeName.IsSameAs( wxT( "Oval" ), false )
 || padShapeName.IsSameAs( wxT( "Ellipse" ), false )
 || padShapeName.IsSameAs( wxT( "MtHole" ), false ) )
 {
 if( width != height )
 pad->SetShape( PAD_SHAPE::OVAL );
 else
 pad->SetShape( PAD_SHAPE::CIRCLE );
 }
 else if( padShapeName.IsSameAs( wxT( "Rect" ), false ) )
 {
 pad->SetShape( PAD_SHAPE::RECTANGLE );
 }
 else if( padShapeName.IsSameAs( wxT( "RndRect" ), false ) )
 {
 pad->SetShape( PAD_SHAPE::ROUNDRECT );
 }
 else if( padShapeName.IsSameAs( wxT( "Polygon" ), false ) )
 {
 pad->SetShape( PAD_SHAPE::RECTANGLE ); // approximation
 }
 
 pad->SetSize( VECTOR2I( width, height ) );
 pad->SetDelta( VECTOR2I( 0, 0 ) );
 pad->SetOrientation( m_Rotation + aRotation );
 
 pad->SetDrillShape( PAD_DRILL_SHAPE_CIRCLE );
 pad->SetOffset( VECTOR2I( 0, 0 ) );
 pad->SetDrillSize( VECTOR2I( m_Hole, m_Hole ) );
 
 pad->SetAttribute( padType );
 
 // Set the proper net code
 NETINFO_ITEM* netinfo = m_board->FindNet( m_Net );
 
 if( netinfo == nullptr ) // I believe this should not happen, but just in case
 {
 // It is a new net
 netinfo = new NETINFO_ITEM( m_board, m_Net );
 m_board->Add( netinfo );
 }
 
 pad->SetNetCode( netinfo->GetNetCode() );
 }
 
 if( !aEncapsulatedPad )
 {
 VECTOR2I padpos( m_PositionX, m_PositionY );
 RotatePoint( padpos, aFootprint->GetOrientation() );
 pad->SetPosition( padpos + aFootprint->GetPosition() );
 }
 
 aFootprint->Add( pad );
}
 
 
void PCAD_PAD::AddToBoard( FOOTPRINT* aFootprint )
{
 PCAD_PAD_SHAPE* padShape;
 int i;
 int width = 0;
 int height = 0;
 
 if( m_ObjType == wxT( 'V' ) ) // via
 {
 // choose one of the shapes
 for( i = 0; i < (int) m_Shapes.GetCount(); i++ )
 {
 padShape = m_Shapes[i];
 
 if( padShape->m_Width > 0 && padShape->m_Height > 0 )
 {
 if( padShape->m_KiCadLayer == F_Cu
 || padShape->m_KiCadLayer == B_Cu )
 {
 width = padShape->m_Width;
 height = padShape->m_Height;
 
 break;
 }
 }
 }
 
 if( width == 0 || height == 0 )
 return;
 
 if( IsCopperLayer( m_KiCadLayer ) )
 {
 PCB_VIA* via = new PCB_VIA( m_board );
 m_board->Add( via );
 
 via->SetPosition( VECTOR2I( m_PositionX, m_PositionY ) );
 via->SetEnd( VECTOR2I( m_PositionX, m_PositionY ) );
 
 via->SetWidth( height );
 via->SetViaType( VIATYPE::THROUGH );
 via->SetLayerPair( F_Cu, B_Cu );
 via->SetDrill( m_Hole );
 
 via->SetLayer( m_KiCadLayer );
 via->SetNetCode( m_NetCode );
 }
 }
 else // pad
 {
 if( !aFootprint )
 {
 aFootprint = new FOOTPRINT( m_board );
 m_board->Add( aFootprint, ADD_MODE::APPEND );
 aFootprint->SetPosition( VECTOR2I( m_PositionX, m_PositionY ) );
 }
 
 m_Name.text = m_defaultPinDes;
 
 AddToFootprint( aFootprint, ANGLE_0, true );
 }
}
 
} // namespace PCAD2KICAD