454 lines
13 KiB
C++
454 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wandadoo.fr
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* Copyright (C) 1992-2023 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef BOARD_ITEM_STRUCT_H
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#define BOARD_ITEM_STRUCT_H
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#include <eda_item.h>
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#include <layer_ids.h>
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#include <geometry/geometry_utils.h>
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#include <stroke_params.h>
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#include <geometry/eda_angle.h>
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class BOARD;
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class BOARD_DESIGN_SETTINGS;
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class BOARD_ITEM_CONTAINER;
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class SHAPE_POLY_SET;
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class SHAPE_SEGMENT;
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class PCB_BASE_FRAME;
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class SHAPE;
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class PCB_GROUP;
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class FOOTPRINT;
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namespace KIFONT
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{
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class METRICS;
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}
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/**
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* Conditionally flashed vias and pads that interact with zones of different priority can be
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* very squirrelly.
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*
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* In particular, when filling a higher-priority zone that does -not- connect to a via/pad, we
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* don't know whether or not a lower-priority zone will subsequently connect -- so we can't
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* determine clearance because we don't know what the final flashing state will be.
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*
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* We therefore force the flashing state if the highest-priority zone with the same net -can-
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* connect (whether or not it does in the end), and otherwise force the zone-connection state
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* to no-connection (even though a lower priority zone -might- have otherwise connected to it.
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*/
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enum ZONE_LAYER_OVERRIDE
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{
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ZLO_NONE,
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ZLO_FORCE_FLASHED,
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ZLO_FORCE_NO_ZONE_CONNECTION
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};
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/**
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* A base class for any item which can be embedded within the #BOARD container class, and
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* therefore instances of derived classes should only be found in Pcbnew or other programs
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* that use class #BOARD and its contents.
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*/
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class BOARD_ITEM : public EDA_ITEM
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{
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public:
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BOARD_ITEM( BOARD_ITEM* aParent, KICAD_T idtype, PCB_LAYER_ID aLayer = F_Cu ) :
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EDA_ITEM( aParent, idtype ),
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m_layer( aLayer ),
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m_isKnockout( false ),
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m_isLocked( false ),
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m_group( nullptr )
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{
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}
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~BOARD_ITEM();
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void SetParentGroup( PCB_GROUP* aGroup ) { m_group = aGroup; }
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PCB_GROUP* GetParentGroup() const { return m_group; }
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// Do not create a copy constructor & operator=.
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// The ones generated by the compiler are adequate.
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int GetX() const
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{
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VECTOR2I p = GetPosition();
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return p.x;
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}
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int GetY() const
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{
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VECTOR2I p = GetPosition();
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return p.y;
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}
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/**
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* This defaults to the center of the bounding box if not overridden.
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*
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* @return center point of the item
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*/
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virtual VECTOR2I GetCenter() const
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{
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return GetBoundingBox().GetCenter();
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}
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void SetX( int aX )
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{
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VECTOR2I p( aX, GetY() );
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SetPosition( p );
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}
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void SetY( int aY )
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{
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VECTOR2I p( GetX(), aY );
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SetPosition( p );
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}
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/**
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* Returns information if the object is derived from BOARD_CONNECTED_ITEM.
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*
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* @return True if the object is of BOARD_CONNECTED_ITEM type, false otherwise.
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*/
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virtual bool IsConnected() const
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{
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return false;
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}
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/**
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* Return a measure of how likely the other object is to represent the same
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* object. The scale runs from 0.0 (definitely different objects) to 1.0 (same)
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*
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* This is a pure virtual function. Derived classes must implement this.
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*/
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virtual double Similarity( const BOARD_ITEM& aItem ) const = 0;
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virtual bool operator==( const BOARD_ITEM& aItem ) const = 0;
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/**
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* @return true if the object is on any copper layer, false otherwise.
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*/
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virtual bool IsOnCopperLayer() const
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{
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return IsCopperLayer( GetLayer() );
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}
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virtual bool HasHole() const
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{
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return false;
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}
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virtual bool IsTented() const
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{
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return false;
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}
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/**
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* A value of wxPoint(0,0) which can be passed to the Draw() functions.
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*/
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static VECTOR2I ZeroOffset;
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/**
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* Some pad shapes can be complex (rounded/chamfered rectangle), even without considering
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* custom shapes. This routine returns a COMPOUND shape (set of simple shapes which make
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* up the pad for use with routing, collision determination, etc).
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*
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* @note This list can contain a SHAPE_SIMPLE (a simple single-outline non-intersecting
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* polygon), but should never contain a SHAPE_POLY_SET (a complex polygon consisting of
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* multiple outlines and/or holes).
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*
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* @param aLayer in case of items spanning multiple layers, only the shapes belonging to aLayer
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* will be returned. Pass UNDEFINED_LAYER to return shapes for all layers.
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* @param aFlash optional parameter allowing a caller to force the pad to be flashed (or not
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* flashed) on the current layer (default is to honour the pad's setting and
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* the current connections for the given layer).
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*/
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virtual std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER,
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FLASHING aFlash = FLASHING::DEFAULT ) const;
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virtual std::shared_ptr<SHAPE_SEGMENT> GetEffectiveHoleShape() const;
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/**
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* Invoke a function on all children.
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* @note This function should not add or remove items to the parent.
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*/
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virtual void RunOnChildren( const std::function<void ( BOARD_ITEM* )>& aFunction ) const { }
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/**
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* Invoke a function on all descendants.
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* @note This function should not add or remove items.
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*/
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virtual void RunOnDescendants( const std::function<void ( BOARD_ITEM* )>& aFunction,
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int aDepth = 0 ) const { }
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BOARD_ITEM_CONTAINER* GetParent() const { return (BOARD_ITEM_CONTAINER*) m_parent; }
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FOOTPRINT* GetParentFootprint() const;
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VECTOR2I GetFPRelativePosition() const;
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void SetFPRelativePosition( const VECTOR2I& aPos );
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/**
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* Check if this item has line stoke properties.
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*
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* @see #STROKE_PARAMS
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*/
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virtual bool HasLineStroke() const { return false; }
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virtual STROKE_PARAMS GetStroke() const;
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virtual void SetStroke( const STROKE_PARAMS& aStroke );
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const KIFONT::METRICS& GetFontMetrics() const;
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/**
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* Return the primary layer this item is on.
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*/
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virtual PCB_LAYER_ID GetLayer() const { return m_layer; }
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/**
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* Return a std::bitset of all layers on which the item physically resides.
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*/
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virtual LSET GetLayerSet() const
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{
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if( m_layer == UNDEFINED_LAYER )
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return LSET();
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else
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return LSET( m_layer );
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}
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virtual void SetLayerSet( LSET aLayers )
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{
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if( aLayers.count() == 1 )
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{
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SetLayer( aLayers.Seq()[0] );
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return;
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}
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wxFAIL_MSG( wxT( "Attempted to SetLayerSet() on a single-layer object." ) );
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// Derived classes which support multiple layers must implement this
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}
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/**
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* Set the layer this item is on.
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*
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* This method is virtual because some items (in fact: class DIMENSION)
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* have a slightly different initialization.
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*
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* @param aLayer The layer number.
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*/
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virtual void SetLayer( PCB_LAYER_ID aLayer )
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{
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m_layer = aLayer;
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}
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/**
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* Create a copy of this #BOARD_ITEM.
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*/
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virtual BOARD_ITEM* Duplicate() const;
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/**
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* Swap data between \a aItem and \a aImage.
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*
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* \a aItem and \a aImage should have the same type.
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*
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* Used in undo and redo commands to swap values between an item and its copy.
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* Only values like layer, size .. which are modified by editing are swapped.
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*
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* @param aImage the item image which contains data to swap.
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*/
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void SwapItemData( BOARD_ITEM* aImage );
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/**
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* Test to see if this object is on the given layer.
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*
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* Virtual so objects like #PAD, which reside on multiple layers can do their own form
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* of testing.
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*
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* @param aLayer The layer to test for.
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* @return true if on given layer, else false.
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*/
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virtual bool IsOnLayer( PCB_LAYER_ID aLayer ) const
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{
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return m_layer == aLayer;
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}
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virtual bool IsKnockout() const { return m_isKnockout; }
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virtual void SetIsKnockout( bool aKnockout ) { m_isKnockout = aKnockout; }
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virtual bool IsLocked() const;
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virtual void SetLocked( bool aLocked ) { m_isLocked = aLocked; }
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virtual void StyleFromSettings( const BOARD_DESIGN_SETTINGS& settings ) { }
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/**
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* Delete this object after removing from its parent if it has one.
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*/
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void DeleteStructure();
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/**
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* Move this object.
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*
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* @param aMoveVector the move vector for this object.
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*/
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virtual void Move( const VECTOR2I& aMoveVector )
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{
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wxFAIL_MSG( wxT( "virtual BOARD_ITEM::Move called for " ) + GetClass() );
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}
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/**
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* Rotate this object.
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*
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* @param aRotCentre the rotation center point.
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*/
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virtual void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle );
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/**
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* Flip this object, i.e. change the board side for this object.
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*
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* @param aCentre the rotation point.
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* @param aFlipLeftRight mirror across Y axis instead of X (the default).
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*/
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virtual void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight );
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/**
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* Perform any normalization required after a user rotate and/or flip.
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*/
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virtual void Normalize() {}
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/**
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* Return the #BOARD in which this #BOARD_ITEM resides, or NULL if none.
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*/
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virtual const BOARD* GetBoard() const;
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virtual BOARD* GetBoard();
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/**
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* For "parent" property.
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* @return the parent footprint's ref or the parent item's UUID.
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*/
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wxString GetParentAsString() const;
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/**
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* Return the name of the PCB layer on which the item resides.
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*
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* @return the layer name associated with this item.
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*/
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wxString GetLayerName() const;
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virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
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/**
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* Convert the item shape to a closed polygon. Circles and arcs are approximated by segments.
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*
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* @param aBuffer a buffer to store the polygon.
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* @param aClearance the clearance around the pad.
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* @param aError the maximum deviation from true circle.
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* @param aErrorLoc should the approximation error be placed outside or inside the polygon?
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* @param ignoreLineWidth used for edge cut items where the line width is only
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* for visualization.
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*/
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virtual void TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer,
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int aClearance, int aError, ERROR_LOC aErrorLoc,
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bool ignoreLineWidth = false ) const;
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struct ptr_cmp
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{
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bool operator() ( const BOARD_ITEM* a, const BOARD_ITEM* b ) const;
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};
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protected:
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/**
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* Return a string (to be shown to the user) describing a layer mask.
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*/
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virtual wxString layerMaskDescribe() const;
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virtual void swapData( BOARD_ITEM* aImage );
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protected:
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PCB_LAYER_ID m_layer;
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bool m_isKnockout;
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bool m_isLocked;
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PCB_GROUP* m_group;
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};
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#ifndef SWIG
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DECLARE_ENUM_TO_WXANY( PCB_LAYER_ID );
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#endif
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/**
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* A singleton item of this class is returned for a weak reference that no longer exists.
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*
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* Its sole purpose is to flag the item as having been deleted.
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*/
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class DELETED_BOARD_ITEM : public BOARD_ITEM
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{
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public:
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DELETED_BOARD_ITEM() :
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BOARD_ITEM( nullptr, NOT_USED )
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{}
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wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override
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{
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return _( "(Deleted Item)" );
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}
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wxString GetClass() const override
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{
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return wxT( "DELETED_BOARD_ITEM" );
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}
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// pure virtuals:
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void SetPosition( const VECTOR2I& ) override {}
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VECTOR2I GetPosition() const override { return VECTOR2I( 0, 0 ); }
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static DELETED_BOARD_ITEM* GetInstance()
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{
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static DELETED_BOARD_ITEM* item = nullptr;
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if( !item )
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item = new DELETED_BOARD_ITEM();
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return item;
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}
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double Similarity( const BOARD_ITEM& aItem ) const override
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{
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return ( this == &aItem ) ? 1.0 : 0.0;
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}
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bool operator==( const BOARD_ITEM& aItem ) const override
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{
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return ( this == &aItem );
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}
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#if defined(DEBUG)
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void Show( int , std::ostream& ) const override {}
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#endif
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};
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#endif /* BOARD_ITEM_STRUCT_H */
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