lib_item.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015 Jean-Pierre Charras, jaen-pierre.charras at wanadoo.fr
 * Copyright (C) 2015 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2004-2021 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 _LIB_ITEM_H_
#define _LIB_ITEM_H_

#include <eda_item.h>
#include <eda_rect.h>
#include <eda_shape.h>
#include <transform.h>
#include <render_settings.h>

class LINE_READER;
class OUTPUTFORMATTER;
class LIB_SYMBOL;
class PLOTTER;
class LIB_PIN;
class MSG_PANEL_ITEM;

using KIGFX::RENDER_SETTINGS;

extern const int fill_tab[];


#define MINIMUM_SELECTION_DISTANCE 2 // Minimum selection distance in internal units


typedef std::vector< LIB_PIN* > LIB_PINS;


class LIB_ITEM : public EDA_ITEM
{
public:
 LIB_ITEM( KICAD_T aType, LIB_SYMBOL* aSymbol = nullptr, int aUnit = 0, int aConvert = 0 );

 // Do not create a copy constructor. The one generated by the compiler is adequate.

 virtual ~LIB_ITEM() { }

 // Define the enums for basic
 enum LIB_CONVERT : int { BASE = 1, DEMORGAN = 2 };

 enum COMPARE_FLAGS : int { NORMAL = 0x00, UNIT = 0x01, EQUALITY = 0x02 };

 virtual wxString GetTypeName() const = 0;

 virtual void BeginEdit( const wxPoint& aPosition ) {}

 virtual bool ContinueEdit( const wxPoint& aPosition ) { return false; }

 virtual void EndEdit() {}

 virtual void CalcEdit( const wxPoint& aPosition ) {}

 virtual void Print( const RENDER_SETTINGS* aSettings, const wxPoint &aOffset,
 void* aData, const TRANSFORM& aTransform );

 virtual int GetPenWidth() const = 0;

 virtual int GetEffectivePenWidth( const RENDER_SETTINGS* aSettings ) const
 {
 // For historical reasons, a stored value of 0 means "default width" and negative
 // numbers meant "don't stroke".

 if( GetPenWidth() <= 0 )
 return aSettings->GetDefaultPenWidth();
 else
 return std::max( GetPenWidth(), aSettings->GetMinPenWidth() );
 }

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

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

 bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override
 {
 // This is just here to prevent annoying compiler warnings about hidden overloaded
 // virtual functions
 return EDA_ITEM::HitTest( aPosition, aAccuracy );
 }

 bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;

 const EDA_RECT GetBoundingBox() const override { return EDA_ITEM::GetBoundingBox(); }

 void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;

 bool operator==( const LIB_ITEM& aOther ) const;
 bool operator==( const LIB_ITEM* aOther ) const
 {
 return *this == *aOther;
 }

 bool operator<( const LIB_ITEM& aOther) const;

 virtual void Offset( const wxPoint& aOffset ) = 0;

 virtual void MoveTo( const wxPoint& aPosition ) = 0;

 void SetPosition( const wxPoint& aPosition ) override { MoveTo( aPosition ); }

 virtual void MirrorHorizontal( const wxPoint& aCenter ) = 0;

 virtual void MirrorVertical( const wxPoint& aCenter ) = 0;

 virtual void Rotate( const wxPoint& aCenter, bool aRotateCCW = true ) = 0;

 virtual void Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
 const TRANSFORM& aTransform ) const = 0;

 void SetUnit( int aUnit ) { m_unit = aUnit; }
 int GetUnit() const { return m_unit; }

 void SetConvert( int aConvert ) { m_convert = aConvert; }
 int GetConvert() const { return m_convert; }

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

protected:
 virtual int compare( const LIB_ITEM& aOther,
 LIB_ITEM::COMPARE_FLAGS aCompareFlags = LIB_ITEM::COMPARE_FLAGS::NORMAL ) const;

 virtual void print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset, void* aData,
 const TRANSFORM& aTransform ) = 0;

private:
 friend class LIB_SYMBOL;

protected:
 int m_unit;

 int m_convert;
};


#endif // _LIB_ITEM_H_