pcb_track.h

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004 Jean-Pierre Charras, [email protected]
 * Copyright (C) 1992-2023 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 CLASS_TRACK_H
#define CLASS_TRACK_H
 
 
#include <mutex>
#include <array>
#include <board_connected_item.h>
#include <base_units.h>
#include <geometry/shape_segment.h>
#include <core/minoptmax.h>
#include <core/arraydim.h>
 
class PCB_TRACK;
class PCB_VIA;
class PAD;
class MSG_PANEL_ITEM;
class SHAPE_POLY_SET;
class SHAPE_ARC;
 
 
// Flag used in locate routines (from which endpoint work)
enum ENDPOINT_T : int
{
 ENDPOINT_START = 0,
 ENDPOINT_END = 1
};
 
// Note that this enum must be synchronized to GAL_LAYER_ID
enum class VIATYPE : int
{
 THROUGH = 3, /* Always a through hole via */
 BLIND_BURIED = 2, /* this via can be on internal layers */
 MICROVIA = 1, /* this via which connect from an external layer
 * to the near neighbor internal layer */
 NOT_DEFINED = 0 /* not yet used */
};
 
#define UNDEFINED_DRILL_DIAMETER -1 //< Undefined via drill diameter.
 
// Used for tracks and vias for algorithmic safety, not to enforce constraints
#define GEOMETRY_MIN_SIZE (int) ( 0.001 * pcbIUScale.IU_PER_MM )
 
 
class PCB_TRACK : public BOARD_CONNECTED_ITEM
{
public:
 static inline bool ClassOf( const EDA_ITEM* aItem )
 {
 return aItem && PCB_TRACE_T == aItem->Type();
 }
 
 PCB_TRACK( BOARD_ITEM* aParent, KICAD_T idtype = PCB_TRACE_T );
 
 // Do not create a copy constructor. The one generated by the compiler is adequate.
 
 void Move( const VECTOR2I& aMoveVector ) override
 {
 m_Start += aMoveVector;
 m_End += aMoveVector;
 }
 
 void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle ) override;
 
 virtual void Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis );
 
 void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight ) override;
 
 void SetPosition( const VECTOR2I& aPos ) override { m_Start = aPos; }
 VECTOR2I GetPosition() const override { return m_Start; }
 const VECTOR2I GetFocusPosition() const override { return ( m_Start + m_End ) / 2; }
 
 void SetWidth( int aWidth ) { m_Width = aWidth; }
 int GetWidth() const { return m_Width; }
 
 void SetEnd( const VECTOR2I& aEnd ) { m_End = aEnd; }
 const VECTOR2I& GetEnd() const { return m_End; }
 
 void SetStart( const VECTOR2I& aStart ) { m_Start = aStart; }
 const VECTOR2I& GetStart() const { return m_Start; }
 
 void SetEndX( int aX ) { m_End.x = aX; }
 void SetEndY( int aY ) { m_End.y = aY; }
 
 int GetEndX() const { return m_End.x; }
 int GetEndY() const { return m_End.y; }
 
 const VECTOR2I& GetEndPoint( ENDPOINT_T aEndPoint ) const
 {
 if( aEndPoint == ENDPOINT_START )
 return m_Start;
 else
 return m_End;
 }
 
 // Virtual function
 const BOX2I GetBoundingBox() const override;
 
 virtual double GetLength() const;
 
 void TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer, int aClearance,
 int aError, ERROR_LOC aErrorLoc,
 bool ignoreLineWidth = false ) const override;
 
 // @copydoc BOARD_ITEM::GetEffectiveShape
 std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER,
 FLASHING aFlash = FLASHING::DEFAULT ) const override;
 
 EDA_ITEM_FLAGS IsPointOnEnds( const VECTOR2I& point, int min_dist = 0 ) const;
 
 bool IsNull() const
 {
 return ( Type() == PCB_VIA_T ) || ( m_Start == m_End );
 }
 
 void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
 wxString GetFriendlyName() const override;
 
 INSPECT_RESULT Visit( INSPECTOR inspector, void* testData,
 const std::vector<KICAD_T>& aScanTypes ) override;
 
 bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
 bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
 bool ApproxCollinear( const PCB_TRACK& aTrack );
 
 wxString GetClass() const override
 {
 return wxT( "PCB_TRACK" );
 }
 
 int GetLocalClearance( wxString* aSource ) const override;
 
 MINOPTMAX<int> GetWidthConstraint( wxString* aSource = nullptr ) const;
 
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
 
 BITMAPS GetMenuImage() const override;
 
 virtual EDA_ITEM* Clone() const override;
 
 virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 double ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
 
 const BOX2I ViewBBox() const override;
 
 bool IsOnCopperLayer() const override
 {
 return true;
 }
 
 double GetCachedLOD()
 {
 return m_CachedLOD;
 }
 
 void SetCachedLOD( double aLOD )
 {
 m_CachedLOD = aLOD;
 }
 
 double GetCachedScale()
 {
 return m_CachedScale;
 }
 
 void SetCachedScale( double aScale )
 {
 m_CachedScale = aScale;
 }
 
 struct cmp_tracks
 {
 bool operator()( const PCB_TRACK* aFirst, const PCB_TRACK* aSecond ) const;
 };
 
#if defined (DEBUG)
 virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
 
protected:
 virtual void swapData( BOARD_ITEM* aImage ) override;
 
 void GetMsgPanelInfoBase_Common( EDA_DRAW_FRAME* aFrame,
 std::vector<MSG_PANEL_ITEM>& aList ) const;
 
protected:
 int m_Width; 
 VECTOR2I m_Start; 
 VECTOR2I m_End; 
 
 double m_CachedLOD; 
 double m_CachedScale; 
};
 
 
class PCB_ARC : public PCB_TRACK
{
public:
 PCB_ARC( BOARD_ITEM* aParent ) :
 PCB_TRACK( aParent, PCB_ARC_T )
 { }
 
 PCB_ARC( BOARD_ITEM* aParent, const SHAPE_ARC* aArc );
 
 static inline bool ClassOf( const EDA_ITEM *aItem )
 {
 return aItem && PCB_ARC_T == aItem->Type();
 }
 
 virtual void Move( const VECTOR2I& aMoveVector ) override
 {
 m_Start += aMoveVector;
 m_Mid += aMoveVector;
 m_End += aMoveVector;
 }
 
 void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle ) override;
 
 void Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis ) override;
 
 void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight ) override;
 
 void SetMid( const VECTOR2I& aMid ) { m_Mid = aMid; }
 const VECTOR2I& GetMid() const { return m_Mid; }
 
 void SetPosition( const VECTOR2I& aPos ) override { m_Start = aPos; }
 
 virtual VECTOR2I GetPosition() const override;
 
 virtual VECTOR2I GetCenter() const override { return GetPosition(); }
 
 double GetRadius() const;
 EDA_ANGLE GetAngle() const;
 EDA_ANGLE GetArcAngleStart() const;
 EDA_ANGLE GetArcAngleEnd() const; // Called by Python; ignore CLion's claim that it's unused
 virtual bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
 
 virtual bool HitTest( const BOX2I& aRect, bool aContained = true,
 int aAccuracy = 0 ) const override;
 
 bool IsCCW() const;
 
 wxString GetClass() const override
 {
 return wxT( "PCB_ARC" );
 }
 
 // @copydoc BOARD_ITEM::GetEffectiveShape
 std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER,
 FLASHING aFlash = FLASHING::DEFAULT ) const override;
 
 virtual double GetLength() const override
 {
 return GetRadius() * std::abs( GetAngle().AsRadians() );
 }
 
 EDA_ITEM* Clone() const override;
 
 bool IsDegenerated( int aThreshold = 5 ) const;
 
protected:
 virtual void swapData( BOARD_ITEM* aImage ) override;
 
private:
 VECTOR2I m_Mid; 
};
 
 
class PCB_VIA : public PCB_TRACK
{
public:
 PCB_VIA( BOARD_ITEM* aParent );
 
 static inline bool ClassOf( const EDA_ITEM *aItem )
 {
 return aItem && PCB_VIA_T == aItem->Type();
 }
 
 PCB_VIA( const PCB_VIA& aOther );
 PCB_VIA& operator=( const PCB_VIA &aOther );
 
 bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
 {
 if( BOARD_CONNECTED_ITEM::IsType( aScanTypes ) )
 return true;
 
 for( KICAD_T scanType : aScanTypes )
 {
 if( scanType == PCB_LOCATE_STDVIA_T && m_viaType == VIATYPE::THROUGH )
 return true;
 else if( scanType == PCB_LOCATE_UVIA_T && m_viaType == VIATYPE::MICROVIA )
 return true;
 else if( scanType == PCB_LOCATE_BBVIA_T && m_viaType == VIATYPE::BLIND_BURIED )
 return true;
 }
 
 return false;
 }
 
 VIATYPE GetViaType() const { return m_viaType; }
 void SetViaType( VIATYPE aViaType ) { m_viaType = aViaType; }
 
 bool HasHole() const override
 {
 return true;
 }
 
 std::shared_ptr<SHAPE_SEGMENT> GetEffectiveHoleShape() const override;
 
 bool IsTented() const override;
 int GetSolderMaskExpansion() const;
 
 bool IsOnLayer( PCB_LAYER_ID aLayer ) const override;
 
 virtual LSET GetLayerSet() const override;
 
 virtual void SetLayerSet( LSET aLayers ) override;
 
 void SetLayerPair( PCB_LAYER_ID aTopLayer, PCB_LAYER_ID aBottomLayer );
 
 void SetBottomLayer( PCB_LAYER_ID aLayer );
 void SetTopLayer( PCB_LAYER_ID aLayer );
 
 void LayerPair( PCB_LAYER_ID* top_layer, PCB_LAYER_ID* bottom_layer ) const;
 
 PCB_LAYER_ID TopLayer() const;
 PCB_LAYER_ID BottomLayer() const;
 
 void SanitizeLayers();
 
 VECTOR2I GetPosition() const override { return m_Start; }
 void SetPosition( const VECTOR2I& aPoint ) override { m_Start = aPoint; m_End = aPoint; }
 
 void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
 
 bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
 bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
 wxString GetClass() const override
 {
 return wxT( "PCB_VIA" );
 }
 
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
 
 BITMAPS GetMenuImage() const override;
 
 EDA_ITEM* Clone() const override;
 
 void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 double ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
 
 void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight ) override;
 
#if defined (DEBUG)
 void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
 
 int GetMinAnnulus( PCB_LAYER_ID aLayer, wxString* aSource ) const;
 
 void SetRemoveUnconnected( bool aSet ) { m_removeUnconnectedLayer = aSet; }
 bool GetRemoveUnconnected() const { return m_removeUnconnectedLayer; }
 
 void SetKeepStartEnd( bool aSet ) { m_keepStartEndLayer = aSet; }
 bool GetKeepStartEnd() const { return m_keepStartEndLayer; }
 
 bool ConditionallyFlashed( PCB_LAYER_ID aLayer ) const
 {
 if( !m_removeUnconnectedLayer )
 return false;
 
 if( m_keepStartEndLayer && ( aLayer == m_layer || aLayer == m_bottomLayer ) )
 return false;
 
 return true;
 }
 
 bool FlashLayer( int aLayer ) const;
 
 bool FlashLayer( LSET aLayers ) const;
 
 void SetDrill( int aDrill ) { m_drill = aDrill; }
 
 int GetDrill() const { return m_drill; }
 
 int GetDrillValue() const;
 
 void SetDrillDefault() { m_drill = UNDEFINED_DRILL_DIAMETER; }
 
 bool GetIsFree() const { return m_isFree; }
 void SetIsFree( bool aFree = true ) { m_isFree = aFree; }
 
 // @copydoc BOARD_ITEM::GetEffectiveShape
 std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER,
 FLASHING aFlash = FLASHING::DEFAULT ) const override;
 
 void ClearZoneLayerOverrides()
 {
 m_zoneLayerOverrides.fill( ZLO_NONE );
 }
 
 const ZONE_LAYER_OVERRIDE& GetZoneLayerOverride( PCB_LAYER_ID aLayer ) const
 {
 return m_zoneLayerOverrides.at( aLayer );
 }
 
 void SetZoneLayerOverride( PCB_LAYER_ID aLayer, ZONE_LAYER_OVERRIDE aOverride )
 {
 std::unique_lock<std::mutex> cacheLock( m_zoneLayerOverridesMutex );
 m_zoneLayerOverrides.at( aLayer ) = aOverride;
 }
 
protected:
 void swapData( BOARD_ITEM* aImage ) override;
 
 wxString layerMaskDescribe() const override;
 
private:
 PCB_LAYER_ID m_bottomLayer;
 
 VIATYPE m_viaType; 
 
 int m_drill; 
 
 bool m_removeUnconnectedLayer; 
 bool m_keepStartEndLayer; 
 bool m_isFree; 
 
 std::mutex m_zoneLayerOverridesMutex;
 std::array<ZONE_LAYER_OVERRIDE, MAX_CU_LAYERS> m_zoneLayerOverrides;
};
 
 
#endif // CLASS_TRACK_H