board_item.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wandadoo.fr
 * Copyright (C) 1992-2020 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
 */

#ifndef BOARD_ITEM_STRUCT_H
#define BOARD_ITEM_STRUCT_H


#include <eda_item.h>
#include <eda_units.h>
#include <convert_to_biu.h>
#include <gr_basic.h>
#include <layers_id_colors_and_visibility.h>
#include <geometry/geometry_utils.h>

class BOARD;
class BOARD_ITEM_CONTAINER;
class SHAPE_POLY_SET;
class PCB_BASE_FRAME;
class SHAPE;
class PCB_GROUP;

enum class SHAPE_T : int
{
    SEGMENT = 0,  
    RECT,         
    ARC,          
    CIRCLE,       
    POLY,         
    BEZIER,       
    LAST          
};

static inline wxString SHAPE_T_asString( SHAPE_T a )
{
    switch( a )
    {
    case SHAPE_T::SEGMENT: return "S_SEGMENT";
    case SHAPE_T::RECT:    return "S_RECT";
    case SHAPE_T::ARC:     return "S_ARC";
    case SHAPE_T::CIRCLE:  return "S_CIRCLE";
    case SHAPE_T::POLY:    return "S_POLYGON";
    case SHAPE_T::BEZIER:  return "S_CURVE";
    case SHAPE_T::LAST:    return "S_LAST";    // Synthetic value, but if we come across it we're
                                                      // going to want to know.
    }

    return wxEmptyString;  // Just to quiet GCC.
};


class BOARD_ITEM : public EDA_ITEM
{
public:
    BOARD_ITEM( BOARD_ITEM* aParent, KICAD_T idtype ) :
            EDA_ITEM( aParent, idtype ),
            m_layer( F_Cu ),
            m_group( nullptr )
    {
    }

    void SetParentGroup( PCB_GROUP* aGroup ) { m_group = aGroup; }
    PCB_GROUP* GetParentGroup() const { return m_group; }

    // Do not create a copy constructor & operator=.
    // The ones generated by the compiler are adequate.
    int GetX() const
    {
        wxPoint p = GetPosition();
        return p.x;
    }

    int GetY() const
    {
        wxPoint p = GetPosition();
        return p.y;
    }

    virtual wxPoint GetCenter() const
    {
        return GetBoundingBox().GetCenter();
    }

    void SetX( int aX )
    {
        wxPoint p( aX, GetY() );
        SetPosition( p );
    }

    void SetY( int aY )
    {
        wxPoint p( GetX(), aY );
        SetPosition( p );
    }

    virtual bool IsConnected() const
    {
        return false;
    }

    virtual bool IsOnCopperLayer() const
    {
        return IsCopperLayer( GetLayer() );
    }

    static wxPoint ZeroOffset;

    virtual std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER ) const;

    BOARD_ITEM_CONTAINER* GetParent() const { return (BOARD_ITEM_CONTAINER*) m_parent; }

    virtual PCB_LAYER_ID GetLayer() const { return m_layer; }

    virtual LSET GetLayerSet() const { return LSET( m_layer ); }
    virtual void SetLayerSet( LSET aLayers )
    {
        wxFAIL_MSG( "Attempted to SetLayerSet() on a single-layer object." );

        // Derived classes which support multiple layers must implement this
    }

    virtual void SetLayer( PCB_LAYER_ID aLayer )
    {
        m_layer = aLayer;
    }

    virtual BOARD_ITEM* Duplicate() const
    {
        EDA_ITEM* dupe = Clone();
        const_cast<KIID&>( dupe->m_Uuid ) = KIID();

        return static_cast<BOARD_ITEM*>( dupe );
    }

    virtual void SwapData( BOARD_ITEM* aImage );

    virtual bool IsOnLayer( PCB_LAYER_ID aLayer ) const
    {
        return m_layer == aLayer;
    }

    bool IsTrack() const
    {
        return ( Type() == PCB_TRACE_T ) || ( Type() == PCB_VIA_T );
    }

    virtual bool IsLocked() const;

    virtual void SetLocked( bool aLocked )
    {
        SetState( LOCKED, aLocked );
    }

    void DeleteStructure();

    static wxString ShowShape( SHAPE_T aShape );

    virtual void Move( const wxPoint& aMoveVector )
    {
        wxFAIL_MSG( wxString::Format( wxT( "virtual BOARD_ITEM::Move called for %s" ),
                                      GetClass() ) );
    }

    void Move( const VECTOR2I& aMoveVector )
    {
        Move( wxPoint( aMoveVector.x, aMoveVector.y ) );
    }

    virtual void Rotate( const wxPoint& aRotCentre, double aAngle );

    void Rotate( const VECTOR2I& aRotCentre, double aAngle )
    {
        Rotate( wxPoint( aRotCentre.x, aRotCentre.y ), aAngle );
    }

    virtual void Flip( const wxPoint& aCentre, bool aFlipLeftRight );

    void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
    {
        Flip( wxPoint( aCentre.x, aCentre.y ), aFlipLeftRight );
    }

    virtual BOARD* GetBoard() const;

    wxString GetLayerName() const;

    virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;

    virtual void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
                                                       PCB_LAYER_ID aLayer, int aClearanceValue,
                                                       int aError, ERROR_LOC aErrorLoc,
                                                       bool ignoreLineWidth = false ) const;

    struct ptr_cmp
    {
        bool operator() ( const BOARD_ITEM* a, const BOARD_ITEM* b ) const;
    };

protected:
    virtual wxString layerMaskDescribe() const;

    PCB_LAYER_ID    m_layer;
    PCB_GROUP*      m_group;
};

#ifndef SWIG
DECLARE_ENUM_TO_WXANY( PCB_LAYER_ID );
#endif


class DELETED_BOARD_ITEM : public BOARD_ITEM
{
public:
    DELETED_BOARD_ITEM() :
        BOARD_ITEM( nullptr, NOT_USED )
    {}

    wxString GetSelectMenuText( EDA_UNITS aUnits ) const override
    {
        return _( "(Deleted Item)" );
    }

    wxString GetClass() const override
    {
        return wxT( "DELETED_BOARD_ITEM" );
    }

    // pure virtuals:
    void SetPosition( const wxPoint& ) override {}
    wxPoint GetPosition() const override { return wxPoint(0, 0); }

    static DELETED_BOARD_ITEM* GetInstance()
    {
        static DELETED_BOARD_ITEM* item = nullptr;

        if( !item )
            item = new DELETED_BOARD_ITEM();

        return item;
    }

#if defined(DEBUG)
    void Show( int , std::ostream& ) const override {}
#endif
};


#endif /* BOARD_ITEM_STRUCT_H */