424 lines
15 KiB
C++
424 lines
15 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) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 1992-2011 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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/**
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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 <class_board_connected_item.h>
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#include <PolyLine.h>
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class TRACK;
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class D_PAD;
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class MSG_PANEL_ITEM;
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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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#define UNDEFINED_DRILL_DIAMETER -1 //< Undefined via drill diameter.
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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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LAYER_MSK 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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protected:
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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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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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double m_Param; // Auxiliary variable ( used in some computations )
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TRACK( BOARD_ITEM* aParent, KICAD_T idtype = PCB_TRACE_T );
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// Do not create a copy constructor. The one generated by the compiler is adequate.
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TRACK* Next() const { return (TRACK*) Pnext; }
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TRACK* Back() const { return (TRACK*) Pback; }
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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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virtual void Rotate( const wxPoint& aRotCentre, double aAngle );
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virtual void Flip( const wxPoint& aCentre );
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void SetPosition( const wxPoint& aPos ) { m_Start = aPos; } // was overload
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const wxPoint& GetPosition() const { return m_Start; } // was overload
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void SetWidth( int aWidth ) { m_Width = aWidth; }
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int GetWidth() const { return m_Width; }
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void SetEnd( const wxPoint& aEnd ) { m_End = aEnd; }
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const wxPoint& GetEnd() const { return m_End; }
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void SetStart( const wxPoint& aStart ) { m_Start = aStart; }
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const wxPoint& GetStart() const { return m_Start; }
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int GetShape() const { return m_Shape; }
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void SetShape( int aShape ) { m_Shape = aShape; }
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EDA_RECT GetBoundingBox() 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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double dx = m_Start.x - m_End.x;
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double 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,
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GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset );
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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 SetDrill
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* sets the drill value for vias.
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* @param aDrill is the new drill diameter
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*/
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void SetDrill( int aDrill ) { m_Drill = aDrill; }
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/**
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* Function GetDrill
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* returns the local drill setting for this VIA. If you want the calculated value,
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* use GetDrillValue() instead.
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*/
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int GetDrill() const { return m_Drill; }
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/**
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* Function GetDrillValue
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* "calculates" the drill value for vias (m-Drill if > 0, or default
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* 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 SetDrillDefault
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* sets the drill value for vias to the default value #UNDEFINED_DRILL_DIAMETER.
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*/
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void SetDrillDefault() { m_Drill = UNDEFINED_DRILL_DIAMETER; }
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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() { return m_Drill <= 0; }
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/**
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* Function GetLayerMask
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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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LAYER_MSK GetLayerMask() 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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STATUS_FLAGS 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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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
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/**
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* Function GetMsgPanelInfoBase
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* Display info about the track segment only, and does not calculate the full track length
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* @param aList A list of #MSG_PANEL_ITEM objects to add status information.
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*/
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void GetMsgPanelInfoBase( std::vector< MSG_PANEL_ITEM >& aList );
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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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SEARCH_RESULT Visit( INSPECTOR* inspector, const void* testData,
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const KICAD_T scanTypes[] );
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virtual bool HitTest( const wxPoint& aPosition );
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virtual bool HitTest( const EDA_RECT& aRect ) const;
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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 aLayer 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, LAYER_NUM aLayer = UNDEFINED_LAYER );
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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, LAYER_MSK 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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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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virtual EDA_ITEM* Clone() const;
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#if defined (DEBUG)
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void Show( int nestLevel, std::ostream& os ) const; // overload
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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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// Do not create a copy constructor. The one generated by the compiler is adequate.
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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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wxString GetSelectMenuText() const;
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BITMAP_DEF GetMenuImage() const { return add_zone_xpm; }
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EDA_ITEM* Clone() const;
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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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// Do not create a copy constructor. The one generated by the compiler is adequate.
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC,
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GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset );
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bool IsOnLayer( LAYER_NUM 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 second 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( LAYER_NUM top_layer, LAYER_NUM 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( LAYER_NUM* top_layer, LAYER_NUM* bottom_layer ) const;
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const wxPoint& GetPosition() const { return m_Start; } // was overload
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void SetPosition( const wxPoint& aPoint ) { m_Start = aPoint; m_End = aPoint; } // was overload
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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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wxString GetSelectMenuText() const;
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BITMAP_DEF GetMenuImage() const { return via_sketch_xpm; }
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EDA_ITEM* Clone() const;
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#if defined (DEBUG)
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void Show( int nestLevel, std::ostream& os ) const; // overload
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#endif
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};
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#endif /* CLASS_TRACK_H */
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