kicad/include/board_item.h

356 lines
10 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 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 <layer_ids.h>
#include <geometry/geometry_utils.h>
#include <stroke_params.h>
#include <geometry/eda_angle.h>
class BOARD;
class BOARD_ITEM_CONTAINER;
class SHAPE_POLY_SET;
class PCB_BASE_FRAME;
class SHAPE;
class PCB_GROUP;
/**
* A base class for any item which can be embedded within the #BOARD container class, and
* therefore instances of derived classes should only be found in Pcbnew or other programs
* that use class #BOARD and its contents.
*/
class BOARD_ITEM : public EDA_ITEM
{
public:
BOARD_ITEM( BOARD_ITEM* aParent, KICAD_T idtype, PCB_LAYER_ID aLayer = F_Cu ) :
EDA_ITEM( aParent, idtype ),
m_layer( aLayer ),
m_isKnockout( false ),
m_isLocked( false ),
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
{
VECTOR2I p = GetPosition();
return p.x;
}
int GetY() const
{
VECTOR2I p = GetPosition();
return p.y;
}
/**
* This defaults to the center of the bounding box if not overridden.
*
* @return center point of the item
*/
virtual VECTOR2I GetCenter() const
{
return GetBoundingBox().GetCenter();
}
void SetX( int aX )
{
VECTOR2I p( aX, GetY() );
SetPosition( p );
}
void SetY( int aY )
{
VECTOR2I p( GetX(), aY );
SetPosition( p );
}
/**
* Returns information if the object is derived from BOARD_CONNECTED_ITEM.
*
* @return True if the object is of BOARD_CONNECTED_ITEM type, false otherwise.
*/
virtual bool IsConnected() const
{
return false;
}
/**
* @return true if the object is on any copper layer, false otherwise.
*/
virtual bool IsOnCopperLayer() const
{
return IsCopperLayer( GetLayer() );
}
/**
* A value of wxPoint(0,0) which can be passed to the Draw() functions.
*/
static VECTOR2I ZeroOffset;
/**
* Some pad shapes can be complex (rounded/chamfered rectangle), even without considering
* custom shapes. This routine returns a COMPOUND shape (set of simple shapes which make
* up the pad for use with routing, collision determination, etc).
*
* @note This list can contain a SHAPE_SIMPLE (a simple single-outline non-intersecting
* polygon), but should never contain a SHAPE_POLY_SET (a complex polygon consisting of
* multiple outlines and/or holes).
*
* @param aLayer in case of items spanning multiple layers, only the shapes belonging to aLayer
* will be returned. Pass UNDEFINED_LAYER to return shapes for all layers.
*/
virtual std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER ) const;
BOARD_ITEM_CONTAINER* GetParent() const { return (BOARD_ITEM_CONTAINER*) m_parent; }
BOARD_ITEM_CONTAINER* GetParentFootprint() const;
/**
* Check if this item has line stoke properties.
*
* @see #STROKE_PARAMS
*/
virtual bool HasLineStroke() const { return false; }
virtual STROKE_PARAMS GetStroke() const;
virtual void SetStroke( const STROKE_PARAMS& aStroke );
/**
* Return the primary layer this item is on.
*/
virtual PCB_LAYER_ID GetLayer() const { return m_layer; }
/**
* Return a std::bitset of all layers on which the item physically resides.
*/
virtual LSET GetLayerSet() const
{
if( m_layer == UNDEFINED_LAYER )
return LSET();
else
return LSET( m_layer );
}
virtual void SetLayerSet( LSET aLayers )
{
wxFAIL_MSG( wxT( "Attempted to SetLayerSet() on a single-layer object." ) );
// Derived classes which support multiple layers must implement this
}
/**
* Set the layer this item is on.
*
* This method is virtual because some items (in fact: class DIMENSION)
* have a slightly different initialization.
*
* @param aLayer The layer number.
*/
virtual void SetLayer( PCB_LAYER_ID aLayer )
{
m_layer = aLayer;
}
/**
* Create a copy of this #BOARD_ITEM.
*/
virtual BOARD_ITEM* Duplicate() const;
/**
* Swap data between \a aItem and \a aImage.
*
* \a aItem and \a aImage should have the same type.
*
* Used in undo and redo commands to swap values between an item and its copy.
* Only values like layer, size .. which are modified by editing are swapped.
*
* @param aImage the item image which contains data to swap.
*/
virtual void SwapData( BOARD_ITEM* aImage );
/**
* Test to see if this object is on the given layer.
*
* Virtual so objects like #PAD, which reside on multiple layers can do their own form
* of testing.
*
* @param aLayer The layer to test for.
* @return true if on given layer, else false.
*/
virtual bool IsOnLayer( PCB_LAYER_ID aLayer ) const
{
return m_layer == aLayer;
}
virtual bool IsKnockout() const { return m_isKnockout; }
virtual void SetIsKnockout( bool aKnockout ) { m_isKnockout = aKnockout; }
virtual bool IsLocked() const;
virtual void SetLocked( bool aLocked ) { m_isLocked = aLocked; }
/**
* Delete this object after removing from its parent if it has one.
*/
void DeleteStructure();
/**
* Move this object.
*
* @param aMoveVector the move vector for this object.
*/
virtual void Move( const VECTOR2I& aMoveVector )
{
wxFAIL_MSG( wxT( "virtual BOARD_ITEM::Move called for " ) + GetClass() );
}
/**
* Rotate this object.
*
* @param aRotCentre the rotation center point.
*/
virtual void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle );
/**
* Flip this object, i.e. change the board side for this object.
*
* @param aCentre the rotation point.
* @param aFlipLeftRight mirror across Y axis instead of X (the default).
*/
virtual void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight );
/**
* Return the #BOARD in which this #BOARD_ITEM resides, or NULL if none.
*/
virtual const BOARD* GetBoard() const;
virtual BOARD* GetBoard();
/**
* Return the name of the PCB layer on which the item resides.
*
* @return the layer name associated with this item.
*/
wxString GetLayerName() const;
virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
/**
* Convert the item shape to a closed polygon.
*
* Used in filling zones calculations. Circles and arcs are approximated by segments.
*
* @param aCornerBuffer a buffer to store the polygon.
* @param aClearanceValue the clearance around the pad.
* @param aError the maximum deviation from true circle.
* @param aErrorLoc should the approximation error be placed outside or inside the polygon?
* @param ignoreLineWidth used for edge cut items where the line width is only
* for visualization.
*/
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:
/**
* Return a string (to be shown to the user) describing a layer mask.
*/
virtual wxString layerMaskDescribe() const;
protected:
PCB_LAYER_ID m_layer;
bool m_isKnockout;
bool m_isLocked;
PCB_GROUP* m_group;
};
#ifndef SWIG
DECLARE_ENUM_TO_WXANY( PCB_LAYER_ID );
#endif
/**
* A singleton item of this class is returned for a weak reference that no longer exists.
*
* Its sole purpose is to flag the item as having been deleted.
*/
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 VECTOR2I& ) override {}
VECTOR2I GetPosition() const override { return VECTOR2I( 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 */