512 lines
17 KiB
C++
512 lines
17 KiB
C++
/**
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* @file class_track.h
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* @brief Definitions for tracks, vias and zones.
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*/
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#ifndef CLASS_TRACK_H
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#define CLASS_TRACK_H
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#include "class_board_item.h"
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#include "PolyLine.h"
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class TRACK;
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// Via attributes (m_Shape parameter)
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#define VIA_THROUGH 3 /* Always a through hole via */
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#define VIA_BLIND_BURIED 2 /* this via can be on internal layers */
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#define VIA_MICROVIA 1 /* this via which connect from an external layer
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* to the near neighbor internal layer */
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#define VIA_NOT_DEFINED 0 /* not yet used */
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/**
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* Function GetTrace
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* is a helper function to locate a trace segment having an end point at \a aPosition
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* on \a aLayerMask starting at \a aStartTrace and end at \a aEndTrace.
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* <p>
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* The segments of track that are flagged as deleted or busy are ignored. Layer
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* visibility is also ignored.
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* </p>
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* @param aStartTrace A pointer to the TRACK object to begin searching.
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* @param aEndTrace A pointer to the TRACK object to stop the search. A NULL value
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* searches to the end of the list.
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* @param aPosition A wxPoint object containing the position to test.
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* @param aLayerMask A layer or layers to mask the hit test. Use -1 to ignore
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* layer mask.
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* @return A TRACK object pointer if found otherwise NULL.
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*/
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extern TRACK* GetTrace( TRACK* aStartTrace, TRACK* aEndTrace, const wxPoint& aPosition,
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int aLayerMask );
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class TRACK : public BOARD_CONNECTED_ITEM
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{
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// make SetNext() and SetBack() private so that they may not be called from anywhere.
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// list management is done on TRACKs using DLIST<TRACK> only.
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private:
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void SetNext( EDA_ITEM* aNext ) { Pnext = aNext; }
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void SetBack( EDA_ITEM* aBack ) { Pback = aBack; }
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public:
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int m_Width; // Thickness of track, or via diameter
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wxPoint m_Start; // Line start point
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wxPoint m_End; // Line end point
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int m_Shape; // vias: shape and type, Track = shape..
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protected:
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int m_Drill; // for vias: via drill (- 1 for default value)
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public:
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BOARD_CONNECTED_ITEM* start; // pointers to a connected item (pad or track)
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BOARD_CONNECTED_ITEM* end;
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std::vector<TRACK*> m_TracksConnected; // list of other tracks connected to me
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int m_Param; // Auxiliary variable ( used in some computations )
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protected:
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TRACK( const TRACK& track ); // protected so Copy() is used instead.
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public:
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TRACK( BOARD_ITEM* aParent, KICAD_T idtype = PCB_TRACE_T );
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/**
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* Function Copy
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* will copy this object whether it is a TRACK or a SEGVIA returning
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* the corresponding type.
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* Because of the way SEGVIA and SEGZONE are derived from TRACK and because there are
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* virtual functions being used, we can no longer simply copy a TRACK and
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* expect it to be a via or zone. We must construct a true SEGVIA or SEGZONE so its
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* constructor can initialize the virtual function table properly. This factory type
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* of function called Copy() can duplicate either a TRACK, SEGVIA, or SEGZONE.
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*
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* @return - TRACK*, SEGVIA*, or SEGZONE*, declared as the least common
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* denominator: TRACK
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*/
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TRACK* Copy() const;
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TRACK* Next() const { return (TRACK*) Pnext; }
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TRACK* Back() const { return (TRACK*) Pback; }
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/**
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* Function Move
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* move this object.
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* @param aMoveVector - the move vector for this object.
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*/
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virtual void Move( const wxPoint& aMoveVector )
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{
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m_Start += aMoveVector;
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m_End += aMoveVector;
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}
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/**
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* Function Rotate
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* Rotate this object.
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* @param aRotCentre - the rotation point.
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* @param aAngle - the rotation angle in 0.1 degree.
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*/
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virtual void Rotate( const wxPoint& aRotCentre, int aAngle );
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/**
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* Function Flip
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* Flip this object, i.e. change the board side for this object
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* @param aCentre - the rotation point.
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*/
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virtual void Flip( const wxPoint& aCentre );
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/**
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* Function GetPosition
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* returns the position of this object.
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* @return const wxPoint& - The position of this object.
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*/
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wxPoint& GetPosition()
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{
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return m_Start; // it had to be start or end.
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}
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EDA_RECT GetBoundingBox() const;
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/**
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* Function Save
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* writes the data structures for this object out to a FILE in "*.brd" format.
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* @param aFile The FILE to write to.
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* @return bool - true if success writing else false.
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*/
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bool Save( FILE* aFile ) const;
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/**
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* Function GetBestInsertPoint
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* searches the "best" insertion point within the track linked list.
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* The best point is the begging of the corresponding net code section.
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* (The BOARD::m_Track and BOARD::m_Zone lists are sorted by netcode.)
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* @param aPcb The BOARD to search for the insertion point.
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* @return TRACK* - the item found in the linked list (or NULL if no track)
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*/
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TRACK* GetBestInsertPoint( BOARD* aPcb );
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/* Search (within the track linked list) the first segment matching the netcode
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* ( the linked list is always sorted by net codes )
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*/
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TRACK* GetStartNetCode( int NetCode );
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/* Search (within the track linked list) the last segment matching the netcode
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* ( the linked list is always sorted by net codes )
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*/
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TRACK* GetEndNetCode( int NetCode );
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/**
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* Function GetLength
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* returns the length of the track using the hypotenuse calculation.
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* @return double - the length of the track
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*/
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double GetLength() const
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{
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int dx = m_Start.x - m_End.x;
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int dy = m_Start.y - m_End.y;
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return hypot( dx, dy );
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}
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/* Display on screen: */
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int aDrawMode,
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const wxPoint& aOffset = ZeroOffset );
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/* divers */
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int Shape() const { return m_Shape & 0xFF; }
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/**
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* Function TransformShapeWithClearanceToPolygon
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* Convert the track shape to a closed polygon
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* Used in filling zones calculations
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* Circles (vias) and arcs (ends of tracks) are approximated by segments
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* @param aCornerBuffer = a buffer to store the polygon
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* @param aClearanceValue = the clearance around the pad
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* @param aCircleToSegmentsCount = the number of segments to approximate a circle
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* @param aCorrectionFactor = the correction to apply to circles radius to keep
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* clearance when the circle is approximated by segment bigger or equal
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* to the real clearance value (usually near from 1.0)
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*/
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void TransformShapeWithClearanceToPolygon( std::vector <CPolyPt>& aCornerBuffer,
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int aClearanceValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor );
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/**
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* Function SetDrillValue
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* Set the drill value for vias
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* @param drill_value = new drill value
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*/
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void SetDrillValue( int drill_value ) { m_Drill = drill_value; }
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/**
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* Function SetDrillDefault
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* Set the drill value for vias at default value (-1)
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*/
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void SetDrillDefault( void ) { m_Drill = -1; }
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/**
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* Function IsDrillDefault
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* @return true if the drill value is default value (-1)
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*/
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bool IsDrillDefault( void ) { return m_Drill <= 0; }
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/**
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* Function GetDrillValue
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* calculate the drill value for vias (m-Drill if > 0, or default drill value for the board
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* @return real drill_value
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*/
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int GetDrillValue() const;
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/**
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* Function ReturnMaskLayer
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* returns a "layer mask", which is a bitmap of all layers on which the
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* TRACK segment or SEGVIA physically resides.
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* @return int - a layer mask, see pcbstruct.h's LAYER_BACK, etc.
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*/
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int ReturnMaskLayer() const;
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/**
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* Function IsPointOnEnds
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* returns STARTPOINT if point if near (dist = min_dist) start point, ENDPOINT if
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* point if near (dist = min_dist) end point,STARTPOINT|ENDPOINT if point if near
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* (dist = min_dist) both ends, or 0 if none of the above.
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* if min_dist < 0: min_dist = track_width/2
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*/
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int IsPointOnEnds( const wxPoint& point, int min_dist = 0 );
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/**
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* Function IsNull
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* returns true if segment length is zero.
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*/
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bool IsNull();
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/**
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* Function DisplayInfo
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* has knowledge about the frame and how and where to put status information
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* about this object into the frame's message panel.
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* Is virtual from EDA_ITEM.
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* Display info about the track segment and the full track length
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* @param frame A EDA_DRAW_FRAME in which to print status information.
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*/
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void DisplayInfo( EDA_DRAW_FRAME* frame );
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/**
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* Function DisplayInfoBase
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* has knowledge about the frame and how and where to put status information
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* about this object into the frame's message panel.
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* Display info about the track segment only, and does not calculate the full track length
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* @param frame A EDA_DRAW_FRAME in which to print status information.
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*/
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void DisplayInfoBase( EDA_DRAW_FRAME* frame );
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/**
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* Function ShowWidth
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* returns the width of the track in displayable user units.
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*/
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wxString ShowWidth() const;
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/**
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* Function Visit
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* is re-implemented here because TRACKs and SEGVIAs are in the same list
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* within BOARD. If that were not true, then we could inherit the
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* version from EDA_ITEM. This one does not iterate through scanTypes
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* but only looks at the first item in the list.
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* @param inspector An INSPECTOR instance to use in the inspection.
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* @param testData Arbitrary data used by the inspector.
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* @param scanTypes Which KICAD_T types are of interest and the order
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* is significant too, terminated by EOT.
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* @return SEARCH_RESULT - SEARCH_QUIT if the Iterator is to stop the scan,
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* else SCAN_CONTINUE, and determined by the inspector.
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*/
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SEARCH_RESULT Visit( INSPECTOR* inspector, const void* testData,
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const KICAD_T scanTypes[] );
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/**
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* Function HitTest
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* tests if the given wxPoint is within the bounds of this object.
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* @param refPos A wxPoint to test
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* @return bool - true if a hit, else false
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*/
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bool HitTest( const wxPoint& refPos );
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/**
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* Function HitTest (overlaid)
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* tests if the given wxRect intersect this object.
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* For now, an ending point must be inside this rect.
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* @param refArea an EDA_RECT to test
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* @return bool - true if a hit, else false
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*/
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bool HitTest( EDA_RECT& refArea );
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/**
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* Function GetVia
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* finds the first SEGVIA object at \a aPosition on \a aLayer starting at the trace.
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*
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* @param aPosition The wxPoint to HitTest() against.
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* @param aLayerMask The layer to match, pass -1 for a don't care.
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* @return A pointer to a SEGVIA object if found, else NULL.
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*/
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TRACK* GetVia( const wxPoint& aPosition, int aLayerMask = -1 );
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/**
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* Function GetVia
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* finds the first SEGVIA object at \a aPosition on \a aLayer starting at the trace
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* and ending at \a aEndTrace.
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*
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* @param aEndTrace Pointer to the last TRACK object to end search.
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* @param aPosition The wxPoint to HitTest() against.
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* @param aLayerMask The layers to match, pass -1 for a don't care.
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* @return A pointer to a SEGVIA object if found, else NULL.
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*/
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TRACK* GetVia( TRACK* aEndTrace, const wxPoint& aPosition, int aLayerMask );
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/**
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* Function GetTrace
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* return the trace segment connected to the segment at \a aEndPoint from \a
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* aStartTrace to \a aEndTrace.
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*
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* @param aStartTrace A pointer to the TRACK object to begin searching.
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* @param aEndTrace A pointer to the TRACK object to stop the search. A NULL value
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* searches to the end of the list.
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* @param aEndPoint The start or end point of the segment to test against.
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* @return A TRACK object pointer if found otherwise NULL.
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*/
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TRACK* GetTrace( TRACK* aStartTrace, TRACK* aEndTrace, int aEndPoint );
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/**
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* Function GetEndSegments
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* get the segments connected to the end point of the track.
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* return 1 if OK, 0 when a track is a closed loop
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* and the beginning and the end of the track in *StartTrack and *EndTrack
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* Modify *StartTrack en *EndTrack :
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* (*StartTrack)->m_Start coordinate is the beginning of the track
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* (*EndTrack)->m_End coordinate is the end of the track
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* Segments connected must be consecutive in list
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*/
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int GetEndSegments( int NbSegm, TRACK** StartTrack, TRACK** EndTrack );
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/**
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* Function GetClass
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* returns the class name.
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* @return wxString
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*/
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wxString GetClass() const
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{
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return wxT( "TRACK" );
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}
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/**
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* Function GetClearance
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* returns the clearance in internal units. If \a aItem is not NULL then the
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* returned clearance is the greater of this object's clearance and
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* aItem's clearance. If \a aItem is NULL, then this objects clearance
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* is returned.
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* @param aItem is another BOARD_CONNECTED_ITEM or NULL
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* @return int - the clearance in internal units.
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*/
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virtual int GetClearance( BOARD_CONNECTED_ITEM* aItem = NULL ) const;
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virtual wxString GetSelectMenuText() const;
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virtual BITMAP_DEF GetMenuImage() const { return showtrack_xpm; }
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#if defined (DEBUG)
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/**
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* Function Show
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* is used to output the object tree, currently for debugging only.
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* @param nestLevel An aid to prettier tree indenting, and is the level
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* of nesting of this object within the overall tree.
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* @param os The ostream& to output to.
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*/
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void Show( int nestLevel, std::ostream& os );
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/**
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* Function ShowState
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* converts a set of state bits to a wxString
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* @param stateBits Is an OR-ed together set of bits like BUSY, EDIT, etc.
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*/
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static wxString ShowState( int stateBits );
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#endif
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};
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class SEGZONE : public TRACK
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{
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public:
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SEGZONE( BOARD_ITEM* aParent );
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/**
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* Function GetClass
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* returns the class name.
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* @return wxString
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*/
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wxString GetClass() const
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{
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return wxT( "ZONE" );
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}
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SEGZONE* Next() const { return (SEGZONE*) Pnext; }
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virtual wxString GetSelectMenuText() const;
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virtual BITMAP_DEF GetMenuImage() const { return add_zone_xpm; }
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};
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class SEGVIA : public TRACK
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{
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public:
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SEGVIA( BOARD_ITEM* aParent );
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SEGVIA( const SEGVIA& source ) :
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TRACK( source )
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{
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}
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int aDrawMode,
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const wxPoint& aOffset = ZeroOffset );
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/**
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* Function IsOnLayer
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* tests to see if this object is on the given layer. Is virtual
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* from BOARD_ITEM. Tests the starting and ending range of layers for the via.
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* @param aLayer the layer to test for.
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* @return bool - true if on given layer, else false.
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*/
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bool IsOnLayer( int aLayer ) const;
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/**
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* Function SetLayerPair
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* set the .m_Layer member param:
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* For a via m_Layer contains the 2 layers :
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* top layer and bottom layer used by the via.
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* The via connect all layers from top layer to bottom layer
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* 4 bits for the first layer and 4 next bits for the secaon layer
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* @param top_layer = first layer connected by the via
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* @param bottom_layer = last layer connected by the via
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*/
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void SetLayerPair( int top_layer, int bottom_layer );
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/**
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* Function ReturnLayerPair
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* Return the 2 layers used by the via (the via actually uses
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* all layers between these 2 layers)
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* @param top_layer = pointer to the first layer (can be null)
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* @param bottom_layer = pointer to the last layer (can be null)
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*/
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void ReturnLayerPair( int* top_layer, int* bottom_layer ) const;
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/**
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* Function GetPosition
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* returns the position of this object.
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* @return const wxPoint& - The position of this object.
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*/
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wxPoint& GetPosition()
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{
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return m_Start;
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}
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void SetPosition( const wxPoint& aPoint ) { m_Start = aPoint; m_End = aPoint; }
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/**
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* Function GetClass
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* returns the class name.
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* @return wxString
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*/
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wxString GetClass() const
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{
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return wxT( "VIA" );
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}
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virtual wxString GetSelectMenuText() const;
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virtual BITMAP_DEF GetMenuImage() const { return via_sketch_xpm; }
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#if defined (DEBUG)
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/**
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* Function Show
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* is used to output the object tree, currently for debugging only.
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* @param nestLevel An aid to prettier tree indenting, and is the level
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* of nesting of this object within the overall tree.
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* @param os The ostream& to output to.
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*/
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void Show( int nestLevel, std::ostream& os );
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#endif
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};
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#endif /* CLASS_TRACK_H */
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