kicad/pcbnew/class_zone.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2015 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_zone.h
* @brief Classes to handle copper zones
*/
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#ifndef CLASS_ZONE_H_
#define CLASS_ZONE_H_
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#include <vector>
#include <gr_basic.h>
#include <class_board_item.h>
#include <class_board_connected_item.h>
#include <layers_id_colors_and_visibility.h>
#include <PolyLine.h>
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#include <class_zone_settings.h>
class EDA_RECT;
class LINE_READER;
class EDA_DRAW_PANEL;
class PCB_EDIT_FRAME;
class BOARD;
class ZONE_CONTAINER;
class MSG_PANEL_ITEM;
/**
* Struct SEGMENT
* is a simple container used when filling areas with segments
*/
struct SEGMENT
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{
wxPoint m_Start; // starting point of a segment
wxPoint m_End; // ending point of a segment
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SEGMENT() {}
SEGMENT( const wxPoint& aStart, const wxPoint& aEnd )
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{
m_Start = aStart;
m_End = aEnd;
}
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};
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/**
* Class ZONE_CONTAINER
* handles a list of polygons defining a copper zone.
* A zone is described by a main polygon, a time stamp, a layer, and a net name.
* Other polygons inside the main polygon are holes in the zone.
*/
class ZONE_CONTAINER : public BOARD_CONNECTED_ITEM
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{
public:
ZONE_CONTAINER( BOARD* parent );
ZONE_CONTAINER( const ZONE_CONTAINER& aZone );
ZONE_CONTAINER& operator=( const ZONE_CONTAINER &aOther );
~ZONE_CONTAINER();
/**
* Function GetPosition
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* @return a wxPoint, position of the first point of the outline
*/
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const wxPoint& GetPosition() const override;
void SetPosition( const wxPoint& aPos ) override {}
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/**
* Function SetPriority
* @param aPriority = the priority level
*/
void SetPriority( unsigned aPriority ) { m_priority = aPriority; }
/**
* Function GetPriority
* @return the priority level of this zone
*/
unsigned GetPriority() const { return m_priority; }
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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList ) override;
/**
* Function Draw
* Draws the zone outline.
* @param panel = current Draw Panel
* @param DC = current Device Context
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* @param aDrawMode = GR_OR, GR_XOR, GR_COPY ..
* @param offset = Draw offset (usually wxPoint(0,0))
*/
void Draw( EDA_DRAW_PANEL* panel,
wxDC* DC,
GR_DRAWMODE aDrawMode,
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const wxPoint& offset = ZeroOffset ) override;
/**
* Function DrawDrawFilledArea
* Draws the filled area for this zone (polygon list .m_FilledPolysList)
* @param panel = current Draw Panel
* @param DC = current Device Context
* @param offset = Draw offset (usually wxPoint(0,0))
* @param aDrawMode = GR_OR, GR_XOR, GR_COPY ..
*/
void DrawFilledArea( EDA_DRAW_PANEL* panel,
wxDC* DC,
GR_DRAWMODE aDrawMode,
const wxPoint& offset = ZeroOffset );
/**
* Function DrawWhileCreateOutline
* Draws the zone outline when it is created.
* The moving edges are in XOR graphic mode, old segment in draw_mode graphic mode
* (usually GR_OR). The closing edge has its own shape.
* @param panel = current Draw Panel
* @param DC = current Device Context
* @param draw_mode = draw mode: OR, XOR ..
*/
void DrawWhileCreateOutline( EDA_DRAW_PANEL* panel, wxDC* DC,
GR_DRAWMODE draw_mode = GR_OR );
/** Function GetBoundingBox (virtual)
* @return an EDA_RECT that is the bounding box of the zone outline
*/
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const EDA_RECT GetBoundingBox() const override;
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int GetClearance( BOARD_CONNECTED_ITEM* aItem = NULL ) const override;
/**
* Function TestForCopperIslandAndRemoveInsulatedIslands
* Remove insulated copper islands found in m_FilledPolysList.
* @param aPcb = the board to analyze
*/
void TestForCopperIslandAndRemoveInsulatedIslands( BOARD* aPcb );
/**
* Function IsOnCopperLayer
* @return true if this zone is on a copper layer, false if on a technical layer
*/
bool IsOnCopperLayer() const
{
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return IsCopperLayer( GetLayer() );
}
/// How to fill areas: 0 = use filled polygons, 1 => fill with segments.
void SetFillMode( int aFillMode ) { m_FillMode = aFillMode; }
int GetFillMode() const { return m_FillMode; }
void SetThermalReliefGap( int aThermalReliefGap ) { m_ThermalReliefGap = aThermalReliefGap; }
int GetThermalReliefGap( D_PAD* aPad = NULL ) const;
void SetThermalReliefCopperBridge( int aThermalReliefCopperBridge )
{
m_ThermalReliefCopperBridge = aThermalReliefCopperBridge;
}
int GetThermalReliefCopperBridge( D_PAD* aPad = NULL ) const;
void SetArcSegmentCount( int aArcSegCount ) { m_ArcToSegmentsCount = aArcSegCount; }
int GetArcSegmentCount() const { return m_ArcToSegmentsCount; }
bool IsFilled() const { return m_IsFilled; }
void SetIsFilled( bool isFilled ) { m_IsFilled = isFilled; }
int GetZoneClearance() const { return m_ZoneClearance; }
void SetZoneClearance( int aZoneClearance ) { m_ZoneClearance = aZoneClearance; }
ZoneConnection GetPadConnection( D_PAD* aPad = NULL ) const;
void SetPadConnection( ZoneConnection aPadConnection ) { m_PadConnection = aPadConnection; }
int GetMinThickness() const { return m_ZoneMinThickness; }
void SetMinThickness( int aMinThickness ) { m_ZoneMinThickness = aMinThickness; }
int GetSelectedCorner() const { return m_CornerSelection; }
void SetSelectedCorner( int aCorner ) { m_CornerSelection = aCorner; }
///
// Like HitTest but selects the current corner to be operated on
void SetSelectedCorner( const wxPoint& aPosition );
int GetLocalFlags() const { return m_localFlgs; }
void SetLocalFlags( int aFlags ) { m_localFlgs = aFlags; }
std::vector <SEGMENT>& FillSegments() { return m_FillSegmList; }
const std::vector <SEGMENT>& FillSegments() const { return m_FillSegmList; }
CPolyLine* Outline() { return m_Poly; }
const CPolyLine* Outline() const { return const_cast< CPolyLine* >( m_Poly ); }
void SetOutline( CPolyLine* aOutline ) { m_Poly = aOutline; }
/**
* Function HitTest
* tests if a point is near an outline edge or a corner of this zone.
* @param aPosition the wxPoint to test
* @return bool - true if a hit, else false
*/
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virtual bool HitTest( const wxPoint& aPosition ) const override;
/**
* Function HitTest
* tests if a point is inside the zone area, i.e. inside the main outline
* and outside holes.
* @param aPosition : the wxPoint to test
* @return bool - true if a hit, else false
*/
bool HitTestInsideZone( const wxPoint& aPosition ) const
{
return m_Poly->TestPointInside( aPosition.x, aPosition.y );
}
/**
* Function HitTestFilledArea
* tests if the given wxPoint is within the bounds of a filled area of this zone.
* @param aRefPos A wxPoint to test
* @return bool - true if a hit, else false
*/
bool HitTestFilledArea( const wxPoint& aRefPos ) const;
/**
* Function TransformSolidAreasShapesToPolygonSet
* Convert solid areas full shapes to polygon set
* (the full shape is the polygon area with a thick outline)
* Used in 3D view
* Arcs (ends of segments) are approximated by segments
* @param aCornerBuffer = a buffer to store the polygons
* @param aCircleToSegmentsCount = the number of segments to approximate a circle
* @param aCorrectionFactor = the correction to apply to arcs radius to roughly
* keep arc radius when approximated by segments
*/
void TransformSolidAreasShapesToPolygonSet( SHAPE_POLY_SET& aCornerBuffer,
int aCircleToSegmentsCount,
double aCorrectionFactor ) const;
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/**
* Function BuildFilledSolidAreasPolygons
* Build the filled solid areas data from real outlines (stored in m_Poly)
* The solid areas can be more than one on copper layers, and do not have holes
( holes are linked by overlapping segments to the main outline)
* in order to have drawable (and plottable) filled polygons
* @return true if OK, false if the solid polygons cannot be built
* @param aPcb: the current board (can be NULL for non copper zones)
* @param aCornerBuffer: A reference to a buffer to store polygon corners, or NULL
* if NULL (default:
* - m_FilledPolysList is used to store solid areas polygons.
* - on copper layers, tracks and other items shapes of other nets are
* removed from solid areas
* if not null:
* Only the zone outline (with holes, if any) is stored in aOutlineBuffer
* with holes linked. Therefore only one polygon is created
*
* When aOutlineBuffer is not null, his function calls
* AddClearanceAreasPolygonsToPolysList() to add holes for pads and tracks
* and other items not in net.
*/
bool BuildFilledSolidAreasPolygons( BOARD* aPcb, SHAPE_POLY_SET* aOutlineBuffer = NULL );
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/**
* Function AddClearanceAreasPolygonsToPolysList
* Add non copper areas polygons (pads and tracks with clearance)
* to a filled copper area
* used in BuildFilledSolidAreasPolygons when calculating filled areas in a zone
* Non copper areas are pads and track and their clearance area
* The filled copper area must be computed before
* BuildFilledSolidAreasPolygons() call this function just after creating the
* filled copper area polygon (without clearance areas
* @param aPcb: the current board
* _NG version uses SHAPE_POLY_SET instead of Boost.Polygon
*/
void AddClearanceAreasPolygonsToPolysList( BOARD* aPcb );
void AddClearanceAreasPolygonsToPolysList_NG( BOARD* aPcb );
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/**
* Function TransformOutlinesShapeWithClearanceToPolygon
* Convert the outlines shape to a polygon with no holes
* inflated (optional) by max( aClearanceValue, the zone clearance)
* (holes are linked to external outline by overlapping segments)
* 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 aMinClearanceValue = the min clearance around outlines
* @param aUseNetClearance = true to use a clearance which is the max value between
* aMinClearanceValue and the net clearance
* false to use aMinClearanceValue only
* if both aMinClearanceValue = 0 and aUseNetClearance = false: create the zone outline polygon.
*/
void TransformOutlinesShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
int aMinClearanceValue,
bool aUseNetClearance );
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/**
* Function HitTestForCorner
* tests if the given wxPoint near a corner
* Set m_CornerSelection to -1 if nothing found, or index of corner
* @return true if found
* @param refPos : A wxPoint to test
*/
int HitTestForCorner( const wxPoint& refPos ) const;
/**
* Function HitTestForEdge
* tests if the given wxPoint is near a segment defined by 2 corners.
* Set m_CornerSelection to -1 if nothing found, or index of the starting corner of vertice
* @return true if found
* @param refPos : A wxPoint to test
*/
int HitTestForEdge( const wxPoint& refPos ) const;
/** @copydoc BOARD_ITEM::HitTest(const EDA_RECT& aRect,
* bool aContained = true, int aAccuracy ) const
*/
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bool HitTest( const EDA_RECT& aRect, bool aContained = true, int aAccuracy = 0 ) const override;
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/**
* Function FillZoneAreasWithSegments
* Fill sub areas in a zone with segments with m_ZoneMinThickness width
* A scan is made line per line, on the whole filled areas, with a step of m_ZoneMinThickness.
* all intersecting points with the horizontal infinite line and polygons to fill are calculated
* a list of SEGZONE items is built, line per line
* @return true if success, false on error
*/
bool FillZoneAreasWithSegments();
/**
* Function UnFill
* Removes the zone filling
* @return true if a previous filling is removed, false if no change
* (when no filling found)
*/
bool UnFill();
/* Geometric transformations: */
/**
* Function Move
* Move the outlines
* @param offset = moving vector
*/
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void Move( const wxPoint& offset ) override;
/**
* Function MoveEdge
* Move the outline Edge
* @param offset = moving vector
* @param aEdge = start point of the outline edge
*/
void MoveEdge( const wxPoint& offset, int aEdge );
/**
* Function Rotate
* Move the outlines
* @param centre = rot centre
* @param angle = in 0.1 degree
*/
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void Rotate( const wxPoint& centre, double angle ) override;
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/**
* Function Flip
* Flip this object, i.e. change the board side for this object
* (like Mirror() but changes layer)
* @param aCentre - the rotation point.
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*/
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virtual void Flip( const wxPoint& aCentre ) override;
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/**
* Function Mirror
* Mirror the outlines , relative to a given horizontal axis
* the layer is not changed
* @param mirror_ref = vertical axis position
*/
void Mirror( const wxPoint& mirror_ref );
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/**
* Function GetClass
* returns the class name.
* @return wxString
*/
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wxString GetClass() const override
{
return wxT( "ZONE_CONTAINER" );
}
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/** Access to m_Poly parameters
*/
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int GetNumCorners( void ) const
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{
return m_Poly->GetCornersCount();
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}
void RemoveAllContours( void )
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{
m_Poly->RemoveAllContours();
}
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const wxPoint& GetCornerPosition( int aCornerIndex ) const
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{
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return m_Poly->GetPos( aCornerIndex );
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}
void SetCornerPosition( int aCornerIndex, wxPoint new_pos )
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{
m_Poly->SetX( aCornerIndex, new_pos.x );
m_Poly->SetY( aCornerIndex, new_pos.y );
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}
void AppendCorner( wxPoint position )
{
m_Poly->AppendCorner( position.x, position.y );
}
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int GetHatchStyle() const
{
return m_Poly->GetHatchStyle();
}
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void SetHatchStyle( CPolyLine::HATCH_STYLE aStyle )
{
m_Poly->SetHatchStyle( aStyle );
}
/**
* Function IsSame
* tests if 2 zones are equivalent:
* 2 zones are equivalent if they have same parameters and same outlines
* info, filling is not taken into account
* @param aZoneToCompare = zone to compare with "this"
*/
bool IsSame( const ZONE_CONTAINER &aZoneToCompare );
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/**
* Function ClearFilledPolysList
* clears the list of filled polygons.
*/
void ClearFilledPolysList()
{
m_FilledPolysList.RemoveAllContours();
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}
/**
* Function GetFilledPolysList
* returns a reference to the list of filled polygons.
* @return Reference to the list of filled polygons.
*/
const SHAPE_POLY_SET& GetFilledPolysList() const
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{
return m_FilledPolysList;
}
/**
* Function AddFilledPolysList
* sets the list of filled polygons.
*/
void AddFilledPolysList( SHAPE_POLY_SET& aPolysList )
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{
m_FilledPolysList = aPolysList;
}
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/**
* Function GetSmoothedPoly
* returns a pointer to the corner-smoothed version of
* m_Poly if it exists, otherwise it returns m_Poly.
* @return CPolyLine* - pointer to the polygon.
*/
CPolyLine* GetSmoothedPoly() const
{
if( m_smoothedPoly )
return m_smoothedPoly;
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else
return m_Poly;
};
void SetCornerSmoothingType( int aType ) { m_cornerSmoothingType = aType; };
int GetCornerSmoothingType() const { return m_cornerSmoothingType; };
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void SetCornerRadius( unsigned int aRadius );
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unsigned int GetCornerRadius() const { return m_cornerRadius; };
void AddPolygon( std::vector< wxPoint >& aPolygon );
void AddFilledPolygon( SHAPE_POLY_SET& aPolygon )
{
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m_FilledPolysList.Append( aPolygon );
}
void AddFillSegments( std::vector< SEGMENT >& aSegments )
{
m_FillSegmList.insert( m_FillSegmList.end(), aSegments.begin(), aSegments.end() );
}
wxString GetSelectMenuText() const override;
BITMAP_DEF GetMenuImage() const override;
EDA_ITEM* Clone() const override;
/**
* Accessors to parameters used in Keepout zones:
*/
bool GetIsKeepout() const { return m_isKeepout; }
bool GetDoNotAllowCopperPour() const { return m_doNotAllowCopperPour; }
bool GetDoNotAllowVias() const { return m_doNotAllowVias; }
bool GetDoNotAllowTracks() const { return m_doNotAllowTracks; }
void SetIsKeepout( bool aEnable ) { m_isKeepout = aEnable; }
void SetDoNotAllowCopperPour( bool aEnable ) { m_doNotAllowCopperPour = aEnable; }
void SetDoNotAllowVias( bool aEnable ) { m_doNotAllowVias = aEnable; }
void SetDoNotAllowTracks( bool aEnable ) { m_doNotAllowTracks = aEnable; }
#if defined(DEBUG)
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virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
private:
void buildFeatureHoleList( BOARD* aPcb, SHAPE_POLY_SET& aFeatures );
CPolyLine* m_Poly; ///< Outline of the zone.
CPolyLine* m_smoothedPoly; // Corner-smoothed version of m_Poly
int m_cornerSmoothingType;
unsigned int m_cornerRadius;
/* Priority: when a zone outline is inside and other zone, if its priority is higher
* the other zone priority, it will be created inside.
* if priorities are equal, a DRC error is set
*/
unsigned m_priority;
/* A zone outline can be a keepout zone.
* It will be never filled, and DRC should test for pads, tracks and vias
*/
bool m_isKeepout;
/* For keepout zones only:
* what is not allowed inside the keepout ( pads, tracks and vias )
*/
bool m_doNotAllowCopperPour;
bool m_doNotAllowVias;
bool m_doNotAllowTracks;
ZoneConnection m_PadConnection;
int m_ZoneClearance; ///< Clearance value in internal units.
int m_ZoneMinThickness; ///< Minimum thickness value in filled areas.
/** The number of segments to convert a circle to a polygon. Valid values are
#ARC_APPROX_SEGMENTS_COUNT_LOW_DEF or #ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF. */
int m_ArcToSegmentsCount;
/** True when a zone was filled, false after deleting the filled areas. */
bool m_IsFilled;
///< Width of the gap in thermal reliefs.
int m_ThermalReliefGap;
///< Width of the copper bridge in thermal reliefs.
int m_ThermalReliefCopperBridge;
/// How to fill areas: 0 => use filled polygons, 1 => fill with segments.
int m_FillMode;
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/// The index of the corner being moved or -1 if no corner is selected.
int m_CornerSelection;
/// Variable used in polygon calculations.
int m_localFlgs;
/** Segments used to fill the zone (#m_FillMode ==1 ), when fill zone by segment is used.
* In this case the segments have #m_ZoneMinThickness width.
*/
std::vector <SEGMENT> m_FillSegmList;
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/* set of filled polygons used to draw a zone as a filled area.
* from outlines (m_Poly) but unlike m_Poly these filled polygons have no hole
* (they are all in one piece) In very simple cases m_FilledPolysList is same
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* as m_Poly. In less simple cases (when m_Poly has holes) m_FilledPolysList is
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* a polygon equivalent to m_Poly, without holes but with extra outline segment
* connecting "holes" with external main outline. In complex cases an outline
* described by m_Poly can have many filled areas
*/
SHAPE_POLY_SET m_FilledPolysList;
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};
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#endif // CLASS_ZONE_H_