kicad/pcbnew/class_track.h

475 lines
14 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* 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
*/
/**
* @file class_track.h
* @brief Definitions for tracks, vias and zones.
*/
#ifndef CLASS_TRACK_H
#define CLASS_TRACK_H
#include <board_connected_item.h>
#include <class_board_item.h>
#include <convert_to_biu.h>
#include <pcb_display_options.h>
#include <pcbnew.h>
#include <geometry/seg.h>
#include <geometry/shape_arc.h>
#include <trigo.h>
class TRACK;
class VIA;
class D_PAD;
class MSG_PANEL_ITEM;
class SHAPE_POLY_SET;
// Flag used in locate routines (from which endpoint work)
enum ENDPOINT_T : int
{
ENDPOINT_START = 0,
ENDPOINT_END = 1
};
// Via types
// 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.
#define MIN_VIA_DRAW_SIZE 4 /// Minimum size in pixel for full drawing
// Used for tracks and vias for algorithmic safety, not to enforce constraints
#define GEOMETRY_MIN_SIZE ( int )( 0.001 * IU_PER_MM )
class TRACK : public BOARD_CONNECTED_ITEM
{
public:
static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && PCB_TRACE_T == aItem->Type();
}
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 wxPoint& aMoveVector ) override
{
m_Start += aMoveVector;
m_End += aMoveVector;
}
void Rotate( const wxPoint& aRotCentre, double aAngle ) override;
void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override;
void SetPosition( const wxPoint& aPos ) override { m_Start = aPos; }
const wxPoint GetPosition() const override { return m_Start; }
const wxPoint 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 wxPoint& aEnd ) { m_End = aEnd; }
const wxPoint& GetEnd() const { return m_End; }
void SetStart( const wxPoint& aStart ) { m_Start = aStart; }
const wxPoint& GetStart() const { return m_Start; }
/// Return the selected endpoint (start or end)
const wxPoint& GetEndPoint( ENDPOINT_T aEndPoint ) const
{
if( aEndPoint == ENDPOINT_START )
return m_Start;
else
return m_End;
}
// Virtual function
const EDA_RECT GetBoundingBox() const override;
bool IsLocked() const override
{
return GetState( TRACK_LOCKED );
}
void SetLocked( bool aLocked ) override
{
return SetState( TRACK_LOCKED, aLocked );
}
/**
* Function GetLength
* returns the length of the track using the hypotenuse calculation.
* @return double - the length of the track
*/
virtual double GetLength() const
{
return GetLineLength( m_Start, m_End );
}
/**
* Function TransformShapeWithClearanceToPolygon
* Convert the track shape to a closed polygon
* Used in filling zones calculations
* Circles (vias) and arcs (ends of tracks) 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 ignoreLineWidth = used for edge cut items where the line width is only
* for visualization
*/
void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, int aClearanceValue,
int aError = ARC_HIGH_DEF, bool ignoreLineWidth = false ) const override;
/**
* Function IsPointOnEnds
* returns STARTPOINT if point if near (dist = min_dist) start point, ENDPOINT if
* point if near (dist = min_dist) end point,STARTPOINT|ENDPOINT if point if near
* (dist = min_dist) both ends, or 0 if none of the above.
* if min_dist < 0: min_dist = track_width/2
*/
STATUS_FLAGS IsPointOnEnds( const wxPoint& point, int min_dist = 0 ) const;
/**
* Function IsNull
* returns true if segment length is zero.
*/
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;
SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
bool ApproxCollinear( const TRACK& aTrack )
{
SEG a( m_Start, m_End );
SEG b( aTrack.GetStart(), aTrack.GetEnd() );
return a.ApproxCollinear( b );
}
wxString GetClass() const override
{
return wxT( "TRACK" );
}
/**
* Function GetClearance
* returns the clearance in internal units. If \a aItem is not NULL then the
* returned clearance is the greater of this object's clearance and
* aItem's clearance. If \a aItem is NULL, then this objects clearance
* is returned.
* @param aItem is an optional BOARD_CONNECTED_ITEM
* @param aSource [out] optionally reports the source as a user-readable string
* @return int - the clearance in internal units.
*/
int GetClearance( BOARD_CONNECTED_ITEM* aItem = nullptr,
wxString* aSource = nullptr ) const override;
wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
BITMAP_DEF GetMenuImage() const override;
virtual EDA_ITEM* Clone() const override;
virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
virtual unsigned int ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
const BOX2I ViewBBox() const override;
virtual void SwapData( BOARD_ITEM* aImage ) override;
/**
* @return true because a track or a via is always on a copper layer.
*/
bool IsOnCopperLayer() const override
{
return true;
}
#if defined (DEBUG)
virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
/**
* Function ShowState
* converts a set of state bits to a wxString
* @param stateBits Is an OR-ed together set of bits like BUSY, EDIT, etc.
*/
static wxString ShowState( int stateBits );
#endif
protected:
/**
* Function GetMsgPanelInfoBase
* Display info about the track segment only, and does not calculate the full track length
* @param aList A list of #MSG_PANEL_ITEM objects to add status information.
*/
virtual void GetMsgPanelInfoBase( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList );
void GetMsgPanelInfoBase_Common( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList );
int m_Width; ///< Thickness of track, or via diameter
wxPoint m_Start; ///< Line start point
wxPoint m_End; ///< Line end point
};
class ARC : public TRACK
{
public:
ARC( BOARD_ITEM* aParent ) : TRACK( aParent, PCB_ARC_T ){};
ARC( BOARD_ITEM* aParent, const SHAPE_ARC* aArc ) :
TRACK( aParent, PCB_ARC_T )
{
m_Start = wxPoint( aArc->GetP0() );
m_End = wxPoint( aArc->GetP1() );
m_Mid = wxPoint( aArc->GetArcMid() );
}
static inline bool ClassOf( const EDA_ITEM *aItem )
{
return aItem && PCB_ARC_T == aItem->Type();
}
virtual void Move( const wxPoint& aMoveVector ) override
{
m_Start += aMoveVector;
m_Mid += aMoveVector;
m_End += aMoveVector;
}
virtual void Rotate( const wxPoint& aRotCentre, double aAngle ) override;
virtual void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override;
void SetMid( const wxPoint& aMid ) { m_Mid = aMid; }
const wxPoint& GetMid() const { return m_Mid; }
void SetPosition( const wxPoint& aPos ) override
{
printf("Setting the arc position\n");
m_Start = aPos;
}
virtual const wxPoint GetPosition() const override;
double GetRadius() const;
double GetAngle() const;
double GetArcAngleStart() const;
double GetArcAngleEnd() const;
virtual bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
virtual bool HitTest( const EDA_RECT& aRect, bool aContained = true, int aAccuracy = 0 ) const override;
wxString GetClass() const override
{
return wxT( "ARC" );
}
//TODO(snh): Add GetSelectMenuText() and GetMsgPanelInfoBase()
/**
* Function GetLength
* returns the length of the arc track using a series of segment approximations.
* @return double - the length of the track
*/
virtual double GetLength() const override
{
//TODO(snh): Add proper arc length calc
return GetLineLength( m_Start, m_Mid ) + GetLineLength( m_Mid, m_End );
}
EDA_ITEM* Clone() const override;
virtual void SwapData( BOARD_ITEM* aImage ) override;
protected:
private:
wxPoint m_Mid; ///< Arc mid point, halfway between start and end
};
class VIA : public TRACK
{
public:
VIA( BOARD_ITEM* aParent );
static inline bool ClassOf( const EDA_ITEM *aItem )
{
return aItem && PCB_VIA_T == aItem->Type();
}
// Do not create a copy constructor. The one generated by the compiler is adequate.
bool IsOnLayer( PCB_LAYER_ID aLayer ) const override;
virtual LSET GetLayerSet() const override;
/**
* Function SetLayerPair
* For a via m_Layer contains the top layer, the other layer is in
* m_BottomLayer
* @param aTopLayer = first layer connected by the via
* @param aBottomLayer = last layer connected by the via
*/
void SetLayerPair( PCB_LAYER_ID aTopLayer, PCB_LAYER_ID aBottomLayer );
void SetBottomLayer( PCB_LAYER_ID aLayer );
void SetTopLayer( PCB_LAYER_ID aLayer );
/**
* Function LayerPair
* Return the 2 layers used by the via (the via actually uses
* all layers between these 2 layers)
* @param top_layer = pointer to the first layer (can be null)
* @param bottom_layer = pointer to the last layer (can be null)
*/
void LayerPair( PCB_LAYER_ID* top_layer, PCB_LAYER_ID* bottom_layer ) const;
PCB_LAYER_ID TopLayer() const;
PCB_LAYER_ID BottomLayer() const;
/**
* Function SanitizeLayers
* Check so that the layers are correct dependin on the type of via, and
* so that the top actually is on top.
*/
void SanitizeLayers();
const wxPoint GetPosition() const override { return m_Start; }
void SetPosition( const wxPoint& aPoint ) override { m_Start = aPoint; m_End = aPoint; }
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
wxString GetClass() const override
{
return wxT( "VIA" );
}
wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
BITMAP_DEF GetMenuImage() const override;
EDA_ITEM* Clone() const override;
void ViewGetLayers( int aLayers[], int& aCount ) const override;
unsigned int ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override;
#if defined (DEBUG)
void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
VIATYPE GetViaType() const
{
return m_ViaType;
}
void SetViaType( VIATYPE aViaType )
{
m_ViaType = aViaType;
}
/**
* Function SetDrill
* sets the drill value for vias.
* @param aDrill is the new drill diameter
*/
void SetDrill( int aDrill ) { m_Drill = aDrill; }
/**
* Function GetDrill
* returns the local drill setting for this VIA. If you want the calculated value,
* use GetDrillValue() instead.
*/
int GetDrill() const { return m_Drill; }
/**
* Function GetDrillValue
* "calculates" the drill value for vias (m-Drill if > 0, or default
* drill value for the board.
* @return real drill_value
*/
int GetDrillValue() const;
/**
* Function SetDrillDefault
* sets the drill value for vias to the default value #UNDEFINED_DRILL_DIAMETER.
*/
void SetDrillDefault() { m_Drill = UNDEFINED_DRILL_DIAMETER; }
/**
* Function IsDrillDefault
* @return true if the drill value is default value (-1)
*/
bool IsDrillDefault() const { return m_Drill <= 0; }
virtual void SwapData( BOARD_ITEM* aImage ) override;
protected:
void GetMsgPanelInfoBase( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
private:
/// The bottom layer of the via (the top layer is in m_Layer)
PCB_LAYER_ID m_BottomLayer;
VIATYPE m_ViaType; // Type of via
int m_Drill; // for vias: via drill (- 1 for default value)
};
#endif // CLASS_TRACK_H