/*
* 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 <stambaughw@gmail.com>
* 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 <fill_type.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
/**
* Helper for defining a list of pin object pointers. The list does not
* use a Boost pointer class so the object pointers do not accidentally get
* deleted when the container is deleted.
*/
typedef std::vector< LIB_PIN* > LIB_PINS;
/**
* The base class for drawable items used by schematic library symbols.
*/
class LIB_ITEM : public EDA_ITEM
{
public:
LIB_ITEM( KICAD_T aType, LIB_SYMBOL* aSymbol = nullptr, int aUnit = 0, int aConvert = 0,
FILL_TYPE aFillType = FILL_TYPE::NO_FILL );
// 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 };
/**
* The list of flags used by the #compare function.
*
* - NORMAL This compares everything between two #LIB_ITEM objects.
* - UNIT This compare flag ignores unit and convert and pin number information when
* comparing #LIB_ITEM objects for unit comparison.
*/
enum COMPARE_FLAGS : int { NORMAL = 0x00, UNIT = 0x01 };
/**
* Provide a user-consumable name of the object type. Perform localization when
* called so that run-time language selection works.
*/
virtual wxString GetTypeName() const = 0;
/**
* Begin drawing a symbol library draw item at \a aPosition.
*
* It typically would be called on a left click when a draw tool is selected in
* the symbol library editor and one of the graphics tools is selected.
*
* @param aPosition The position in drawing coordinates where the drawing was started.
* May or may not be required depending on the item being drawn.
*/
virtual void BeginEdit( const wxPoint& aPosition ) {}
/**
* Continue an edit in progress at \a aPosition.
*
* This is used to perform the next action while drawing an item. This would be
* called for each additional left click when the mouse is captured while the item
* is being drawn.
*
* @param aPosition The position of the mouse left click in drawing coordinates.
* @return True if additional mouse clicks are required to complete the edit in progress.
*/
virtual bool ContinueEdit( const wxPoint& aPosition ) { return false; }
/**
* End an object editing action.
*
* This is used to end or abort an edit action in progress initiated by BeginEdit().
*/
virtual void EndEdit() {}
/**
* Calculate the attributes of an item at \a aPosition when it is being edited.
*
* This method gets called by the Draw() method when the item is being edited. This
* probably should be a pure virtual method but bezier curves are not yet editable in
* the symbol library editor. Therefore, the default method does nothing.
*
* @param aPosition The current mouse position in drawing coordinates.
*/
virtual void CalcEdit( const wxPoint& aPosition ) {}
/**
* Draw an item
*
* @param aDC Device Context (can be null)
* @param aOffset Offset to draw
* @param aData Value or pointer used to pass others parameters, depending on body items.
* Used for some items to force to force no fill mode ( has meaning only for
* items what can be filled ). used in printing or moving objects mode or to
* pass reference to the lib symbol for pins.
* @param aTransform Transform Matrix (rotation, mirror ..)
*/
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 && GetFillMode() != FILL_TYPE::NO_FILL )
return 0;
else 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;
/**
* @return the boundary box for this, in library coordinates
*/
const EDA_RECT GetBoundingBox() const override { return EDA_ITEM::GetBoundingBox(); }
/**
* Display basic info (type, part and convert) about the current item in message panel.
* <p>
* This base function is used to display the information common to the
* all library items. Call the base class from the derived class or the
* common information will not be updated in the message panel.
* </p>
* @param aList is the list to populate.
*/
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
/**
* Test LIB_ITEM objects for equivalence.
*
* @param aOther Object to test against.
* @return True if object is identical to this object.
*/
bool operator==( const LIB_ITEM& aOther ) const;
bool operator==( const LIB_ITEM* aOther ) const
{
return *this == *aOther;
}
/**
* Test if another draw item is less than this draw object.
*
* @param aOther - Draw item to compare against.
* @return - True if object is less than this object.
*/
bool operator<( const LIB_ITEM& aOther) const;
/**
* Set the drawing object by \a aOffset from the current position.
*
* @param aOffset Coordinates to offset the item position.
*/
virtual void Offset( const wxPoint& aOffset ) = 0;
/**
* Move a draw object to \a aPosition.
*
* @param aPosition Position to move draw item to.
*/
virtual void MoveTo( const wxPoint& aPosition ) = 0;
void SetPosition( const wxPoint& aPosition ) override { MoveTo( aPosition ); }
/**
* Mirror the draw object along the horizontal (X) axis about \a aCenter point.
*
* @param aCenter Point to mirror around.
*/
virtual void MirrorHorizontal( const wxPoint& aCenter ) = 0;
/**
* Mirror the draw object along the MirrorVertical (Y) axis about \a aCenter point.
*
* @param aCenter Point to mirror around.
*/
virtual void MirrorVertical( const wxPoint& aCenter ) = 0;
/**
* Rotate the object about \a aCenter point.
*
* @param aCenter Point to rotate around.
* @param aRotateCCW True to rotate counter clockwise. False to rotate clockwise.
*/
virtual void Rotate( const wxPoint& aCenter, bool aRotateCCW = true ) = 0;
/**
* Plot the draw item using the plot object.
*
* @param aPlotter The plot object to plot to.
* @param aOffset Plot offset position.
* @param aFill Flag to indicate whether or not the object is filled.
* @param aTransform The plot transform.
*/
virtual void Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
const TRANSFORM& aTransform ) const = 0;
virtual int GetWidth() const = 0;
virtual void SetWidth( int aWidth ) = 0;
/**
* Check if draw object can be filled.
*
* The default setting is false. If the derived object support filling, set the
* m_isFillable member to true.
*/
bool IsFillable() const { return m_isFillable; }
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; }
void SetFillMode( FILL_TYPE aFillMode ) { m_fill = aFillMode; }
FILL_TYPE GetFillMode() const { return m_fill; }
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
protected:
/**
* Provide the draw object specific comparison called by the == and < operators.
*
* The base object sort order which always proceeds the derived object sort order
* is as follows:
* - Symbol alternate part (DeMorgan) number.
* - Symbol part number.
* - KICAD_T enum value.
* - Result of derived classes comparison.
*
* @note Make sure you call down to #LIB_ITEM::compare before doing any derived object
* comparisons or you will break the sorting using the symbol library file format.
*
* @param aOther A reference to the other #LIB_ITEM to compare the arc against.
* @param aCompareFlags The flags used to perform the comparison.
*
* @return An integer value less than 0 if the object is less than \a aOther object,
* zero if the object is equal to \a aOther object, or greater than 0 if the
* object is greater than \a aOther object.
*/
virtual int compare( const LIB_ITEM& aOther,
LIB_ITEM::COMPARE_FLAGS aCompareFlags = LIB_ITEM::COMPARE_FLAGS::NORMAL ) const;
/**
* Print the item to \a aDC.
*
* @param aOffset A reference to a wxPoint object containing the offset where to draw
* from the object's current position.
* @param aData A pointer to any object specific data required to perform the draw.
* @param aTransform A reference to a #TRANSFORM object containing drawing transform.
*/
virtual void print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset, void* aData,
const TRANSFORM& aTransform ) = 0;
private:
friend class LIB_SYMBOL;
protected:
/**
* Unit identification for multiple parts per package. Set to 0 if the item is common
* to all units.
*/
int m_unit;
/**
* Shape identification for alternate body styles. Set 0 if the item is common to all
* body styles. This is typially used for representing DeMorgan variants in KiCad.
*/
int m_convert;
/**
* The body fill type. This has meaning only for some items. For a list of fill types
* see #FILL_TYPE.
*/
FILL_TYPE m_fill;
bool m_isFillable;
};
#endif // _LIB_ITEM_H_