/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2019 Jean-Pierre Charras, jp.charras at wanadoo.fr * Copyright (C) 1992-2019 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 */ #ifndef CLASS_ZONE_H_ #define CLASS_ZONE_H_ #include #include #include #include #include #include #include class EDA_RECT; class LINE_READER; class PCB_EDIT_FRAME; class BOARD; class ZONE_CONTAINER; class MSG_PANEL_ITEM; typedef std::vector ZONE_SEGMENT_FILL; /** * 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 { public: /** * Zone hatch styles */ typedef enum HATCH_STYLE { NO_HATCH, DIAGONAL_FULL, DIAGONAL_EDGE } HATCH_STYLE; ZONE_CONTAINER( BOARD* parent ); ZONE_CONTAINER( const ZONE_CONTAINER& aZone ); ZONE_CONTAINER& operator=( const ZONE_CONTAINER &aOther ); ~ZONE_CONTAINER(); static inline bool ClassOf( const EDA_ITEM* aItem ) { return aItem && aItem->Type() == PCB_ZONE_AREA_T; } /** * @return a wxPoint, position of the first point of the outline */ const wxPoint GetPosition() const override; void SetPosition( const wxPoint& aPos ) override {} /** * 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; } void GetMsgPanelInfo( EDA_UNITS_T aUnits, std::vector< MSG_PANEL_ITEM >& aList ) override; void SetLayerSet( LSET aLayerSet ); virtual LSET GetLayerSet() const override; /** * Function Print * Prints the zone outline. * @param aFrame = current Frame * @param DC = current Device Context * @param aDrawMode = GR_OR, GR_XOR, GR_COPY .. * @param offset = Draw offset (usually wxPoint(0,0)) */ void Print( PCB_BASE_FRAME* aFrame, wxDC* DC, const wxPoint& offset = ZeroOffset ) override; /** * Function PrintFilledArea * Draws the filled area for this zone (polygon list .m_FilledPolysList) * @param aFrame = current Frame * @param DC = current Device Context * @param offset = Draw offset (usually wxPoint(0,0)) * @param aDrawMode = GR_OR, GR_XOR, GR_COPY .. */ void PrintFilledArea( PCB_BASE_FRAME* aFrame, wxDC* DC, const wxPoint& offset = ZeroOffset ); /** Function GetBoundingBox (virtual) * @return an EDA_RECT that is the bounding box of the zone outline */ const EDA_RECT GetBoundingBox() const override; int GetClearance( BOARD_CONNECTED_ITEM* aItem = NULL ) const override; /** * Function IsOnCopperLayer * @return true if this zone is on a copper layer, false if on a technical layer */ bool IsOnCopperLayer() const; /** * Function CommonLayerExist * Test if this zone shares a common layer with the given layer set */ bool CommonLayerExists( const LSET aLayerSet ) const; virtual void SetLayer( PCB_LAYER_ID aLayer ) override; virtual PCB_LAYER_ID GetLayer() const override; virtual bool IsOnLayer( PCB_LAYER_ID ) const override; virtual void ViewGetLayers( int aLayers[], int& aCount ) const override; void SetFillMode( ZONE_FILL_MODE aFillMode ) { m_FillMode = aFillMode; } ZONE_FILL_MODE GetFillMode() const { return m_FillMode; } void SetThermalReliefGap( int aThermalReliefGap ) { m_ThermalReliefGap = aThermalReliefGap; } int GetThermalReliefGap( D_PAD* aPad = NULL ) const; void SetThermalReliefCopperBridge( int aThermalReliefCopperBridge ) { if( m_ThermalReliefCopperBridge != aThermalReliefCopperBridge ) SetNeedRefill( true ); m_ThermalReliefCopperBridge = aThermalReliefCopperBridge; } int GetThermalReliefCopperBridge( D_PAD* aPad = NULL ) const; bool IsFilled() const { return m_IsFilled; } void SetIsFilled( bool isFilled ) { m_IsFilled = isFilled; } bool NeedRefill() const { return m_needRefill; } void SetNeedRefill( bool aNeedRefill ) { m_needRefill = aNeedRefill; } 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 ) { if( m_ZoneMinThickness != aMinThickness ) SetNeedRefill( true ); m_ZoneMinThickness = aMinThickness; } int GetHatchFillTypeThickness() const { return m_HatchFillTypeThickness; } void SetHatchFillTypeThickness( int aThickness ) { m_HatchFillTypeThickness = aThickness; } int GetHatchFillTypeGap() const { return m_HatchFillTypeGap; } void SetHatchFillTypeGap( int aStep ) { m_HatchFillTypeGap = aStep; } double GetHatchFillTypeOrientation() const { return m_HatchFillTypeOrientation; } void SetHatchFillTypeOrientation( double aStep ) { m_HatchFillTypeOrientation = aStep; } int GetHatchFillTypeSmoothingLevel() const { return m_HatchFillTypeSmoothingLevel; } void SetHatchFillTypeSmoothingLevel( int aLevel ) { m_HatchFillTypeSmoothingLevel = aLevel; } double GetHatchFillTypeSmoothingValue() const { return m_HatchFillTypeSmoothingValue; } void SetHatchFillTypeSmoothingValue( double aValue ) { m_HatchFillTypeSmoothingValue = aValue; } int GetSelectedCorner() const { // Transform relative indices to global index int globalIndex = -1; if( m_CornerSelection ) m_Poly->GetGlobalIndex( *m_CornerSelection, globalIndex ); return globalIndex; } void SetSelectedCorner( int aCorner ) { SHAPE_POLY_SET::VERTEX_INDEX selectedCorner; // If the global index of the corner is correct, assign it to m_CornerSelection if( m_Poly->GetRelativeIndices( aCorner, &selectedCorner ) ) { if( m_CornerSelection == nullptr ) m_CornerSelection = new SHAPE_POLY_SET::VERTEX_INDEX; *m_CornerSelection = selectedCorner; } else throw( std::out_of_range( "aCorner-th vertex does not exist" ) ); } /// // Like HitTest but selects the current corner to be operated on void SetSelectedCorner( const wxPoint& aPosition, int aAccuracy ); int GetLocalFlags() const { return m_localFlgs; } void SetLocalFlags( int aFlags ) { m_localFlgs = aFlags; } ZONE_SEGMENT_FILL& FillSegments() { return m_FillSegmList; } const ZONE_SEGMENT_FILL& FillSegments() const { return m_FillSegmList; } SHAPE_POLY_SET* Outline() { return m_Poly; } const SHAPE_POLY_SET* Outline() const { return const_cast< SHAPE_POLY_SET* >( m_Poly ); } void SetOutline( SHAPE_POLY_SET* 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 */ bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override; /** * 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; /** * Some intersecting zones, despite being on the same layer with the same net, cannot be * merged due to other parameters such as fillet radius. The copper pour will end up * effectively merged though, so we want to keep the corners of such intersections sharp. */ void GetColinearCorners( BOARD* aBoard, std::set& aCorners ); /** * 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 aError = Maximum error allowed between true arc and polygon approx */ void TransformSolidAreasShapesToPolygonSet( SHAPE_POLY_SET& aCornerBuffer, int aError = ARC_HIGH_DEF ) const; /** * 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 * @param aPreserveCorners an optional set of corners which should not be smoothed. * if both aMinClearanceValue = 0 and aUseNetClearance = false: create the zone outline polygon. */ void TransformOutlinesShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, int aMinClearanceValue, bool aUseNetClearance, std::set* aPreserveCorners = nullptr ) const; /** * Function TransformShapeWithClearanceToPolygon * Convert the zone shape to a closed polygon * Used in filling zones calculations * Circles and arcs 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 HitTestForCorner * tests if the given wxPoint is near a corner. * @param refPos is the wxPoint to test. * @param aAccuracy increase the item bounding box by this amount. * @param aCornerHit [out] is the index of the closest vertex found, useless when return * value is false. * @return bool - true if some corner was found to be closer to refPos than aClearance; false * otherwise. */ bool HitTestForCorner( const wxPoint& refPos, int aAccuracy, SHAPE_POLY_SET::VERTEX_INDEX& aCornerHit ) const; /** * Function HitTestForCorner * tests if the given wxPoint is near a corner. * @param refPos is the wxPoint to test. * @param aAccuracy increase the item bounding box by this amount. * @return bool - true if some corner was found to be closer to refPos than aClearance; false * otherwise. */ bool HitTestForCorner( const wxPoint& refPos, int aAccuracy ) const; /** * Function HitTestForEdge * tests if the given wxPoint is near a segment defined by 2 corners. * @param refPos is the wxPoint to test. * @param aAccuracy increase the item bounding box by this amount. * @param aCornerHit [out] is the index of the closest vertex found, useless when return * value is false. * @return bool - true if some edge was found to be closer to refPos than aClearance. */ bool HitTestForEdge( const wxPoint& refPos, int aAccuracy, SHAPE_POLY_SET::VERTEX_INDEX& aCornerHit ) const; /** * Function HitTestForEdge * tests if the given wxPoint is near a segment defined by 2 corners. * @param refPos is the wxPoint to test. * @param aAccuracy increase the item bounding box by this amount. * @return bool - true if some edge was found to be closer to refPos than aClearance. */ bool HitTestForEdge( const wxPoint& refPos, int aAccuracy ) const; /** @copydoc BOARD_ITEM::HitTest(const EDA_RECT& aRect, * bool aContained = true, int aAccuracy ) const */ bool HitTest( const EDA_RECT& aRect, bool aContained = true, int aAccuracy = 0 ) const override; /** * 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 */ 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 */ void Rotate( const wxPoint& centre, double angle ) override; /** * Function Flip * Flip this object, i.e. change the board side for this object * (like Mirror() but changes layer) * @param aCentre - the rotation point. */ virtual void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override; /** * Function Mirror * Mirror the outlines , relative to a given horizontal axis * the layer is not changed * @param aMirrorRef = axis position * @param aMirrorLeftRight mirror across Y axis (otherwise mirror across X) */ void Mirror( const wxPoint& aMirrorRef, bool aMirrorLeftRight ); /** * Function GetClass * returns the class name. * @return wxString */ wxString GetClass() const override { return wxT( "ZONE_CONTAINER" ); } /** Access to m_Poly parameters */ int GetNumCorners( void ) const { return m_Poly->TotalVertices(); } /** * Function Iterate * returns an iterator to visit all points of the zone's main outline without holes. * @return SHAPE_POLY_SET::ITERATOR - an iterator to visit the zone vertices without holes. */ SHAPE_POLY_SET::ITERATOR Iterate() { return m_Poly->Iterate(); } /** * Function IterateWithHoles * returns an iterator to visit all points of the zone's main outline with holes. * @return SHAPE_POLY_SET::ITERATOR - an iterator to visit the zone vertices with holes. */ SHAPE_POLY_SET::ITERATOR IterateWithHoles() { return m_Poly->IterateWithHoles(); } /** * Function CIterateWithHoles * returns an iterator to visit all points of the zone's main outline with holes. * @return SHAPE_POLY_SET::ITERATOR - an iterator to visit the zone vertices with holes. */ SHAPE_POLY_SET::CONST_ITERATOR CIterateWithHoles() const { return m_Poly->CIterateWithHoles(); } void RemoveAllContours( void ) { m_Poly->RemoveAllContours(); } const VECTOR2I& GetCornerPosition( int aCornerIndex ) const { SHAPE_POLY_SET::VERTEX_INDEX index; // Convert global to relative indices if( !m_Poly->GetRelativeIndices( aCornerIndex, &index ) ) throw( std::out_of_range( "aCornerIndex-th vertex does not exist" ) ); return m_Poly->CVertex( index ); } void SetCornerPosition( int aCornerIndex, wxPoint new_pos ) { SHAPE_POLY_SET::VERTEX_INDEX relativeIndices; // Convert global to relative indices if( m_Poly->GetRelativeIndices( aCornerIndex, &relativeIndices ) ) { if( m_Poly->Vertex( relativeIndices ).x != new_pos.x || m_Poly->Vertex( relativeIndices ).y != new_pos.y ) SetNeedRefill( true ); m_Poly->Vertex( relativeIndices ).x = new_pos.x; m_Poly->Vertex( relativeIndices ).y = new_pos.y; } else throw( std::out_of_range( "aCornerIndex-th vertex does not exist" ) ); } /** * Function NewHole * creates a new hole on the zone; i.e., a new contour on the zone's outline. */ void NewHole() { m_Poly->NewHole(); } /** * Add a new corner to the zone outline (to the main outline or a hole) * @param aPosition is the position of the new corner. * @param aHoleIdx is the index of the hole (-1 for the main outline, >= 0 for hole). * @param aAllowDuplication is a flag to indicate whether it is allowed to add this corner * even if it is duplicated. * @return true if the corner was added, false if error (aHoleIdx > hole count -1) */ bool AppendCorner( wxPoint aPosition, int aHoleIdx, bool aAllowDuplication = false ); HATCH_STYLE GetHatchStyle() const { return m_hatchStyle; } void SetHatchStyle( HATCH_STYLE aStyle ) { m_hatchStyle = 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 ); /** * Function ClearFilledPolysList * clears the list of filled polygons. */ void ClearFilledPolysList() { m_FilledPolysList.RemoveAllContours(); } /** * 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 { return m_FilledPolysList; } /** (re)create a list of triangles that "fill" the solid areas. * used for instance to draw these solid areas on opengl */ void CacheTriangulation(); /** * Function SetFilledPolysList * sets the list of filled polygons. */ void SetFilledPolysList( SHAPE_POLY_SET& aPolysList ) { m_FilledPolysList = aPolysList; } /** * Function SetFilledPolysList * sets the list of filled polygons. */ void SetRawPolysList( SHAPE_POLY_SET& aPolysList ) { m_RawPolysList = aPolysList; } /** * Function GetSmoothedPoly * returns a pointer to the corner-smoothed version of m_Poly. * @param aPreserveCorners - set of corners which should /not/ be smoothed * @return SHAPE_POLY_SET* - pointer to the polygon. */ bool BuildSmoothedPoly( SHAPE_POLY_SET& aSmoothedPoly, std::set* aPreserveCorners ) const; void SetCornerSmoothingType( int aType ) { m_cornerSmoothingType = aType; }; int GetCornerSmoothingType() const { return m_cornerSmoothingType; } void SetCornerRadius( unsigned int aRadius ); unsigned int GetCornerRadius() const { return m_cornerRadius; } bool GetFilledPolysUseThickness() const { return m_FilledPolysUseThickness; } void SetFilledPolysUseThickness( bool aOption ) { m_FilledPolysUseThickness = aOption; } /** * add a polygon to the zone outline * if the zone outline is empty, this is the main outline * else it is a hole inside the main outline */ void AddPolygon( std::vector< wxPoint >& aPolygon ); void AddPolygon( const SHAPE_LINE_CHAIN& aPolygon ); void SetFillSegments( const ZONE_SEGMENT_FILL& aSegments ) { m_FillSegmList = aSegments; } SHAPE_POLY_SET& RawPolysList() { return m_RawPolysList; } wxString GetSelectMenuText( EDA_UNITS_T aUnits ) 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; } /** * Hatch related methods */ /** * Function GetHatchPitch * @return int - the zone hatch pitch in iu. */ int GetHatchPitch() const; /** * Function GetDefaultHatchPitchMils * @return int - the default hatch pitch in internal units. */ static int GetDefaultHatchPitch(); /** * Function SetHatch * sets all hatch parameters for the zone. * @param aHatchStyle is the style of the hatch, specified as one of HATCH_STYLE possible * values. * @param aHatchPitch is the hatch pitch in iu. * @param aRebuildHatch is a flag to indicate whether to re-hatch after having set the * previous parameters. */ void SetHatch( int aHatchStyle, int aHatchPitch, bool aRebuildHatch ); /** * Function SetHatchPitch * sets the hatch pitch parameter for the zone. * @param aPitch is the hatch pitch in iu. */ void SetHatchPitch( int aPitch ); /** * Function UnHatch * clears the zone's hatch. */ void UnHatch(); /** * Function Hatch * computes the hatch lines depending on the hatch parameters and stores it in the zone's * attribute m_HatchLines. */ void Hatch(); const std::vector& GetHatchLines() const { return m_HatchLines; } bool GetHV45() const { return m_hv45; } void SetHV45( bool aConstrain ) { m_hv45 = aConstrain; } /** @return the hash value previously calculated by BuildHashValue(). * used in zone filling calculations */ MD5_HASH GetHashValue() { return m_filledPolysHash; } /** Build the hash value of m_FilledPolysList, and store it internally * in m_filledPolysHash. * Used in zone filling calculations, to know if m_FilledPolysList is up to date. */ void BuildHashValue() { m_filledPolysHash = m_FilledPolysList.GetHash(); } #if defined(DEBUG) virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); } #endif virtual void SwapData( BOARD_ITEM* aImage ) override; private: SHAPE_POLY_SET* m_Poly; ///< Outline of the zone. int m_cornerSmoothingType; unsigned int m_cornerRadius; LSET m_layerSet; /* 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. bool m_FilledPolysUseThickness; ///< outline of filled polygons have thickness. /** True when a zone was filled, false after deleting the filled areas. */ bool m_IsFilled; /** False when a zone was refilled, true after changes in zone params. * m_needRefill = false does not imply filled areas are up to date, just * the zone was refilled after edition, and does not need refilling */ bool m_needRefill; ///< 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: * ZFM_POLYGONS => use solid polygons * ZFM_HATCH_PATTERN => use a grid pattern as shape */ ZONE_FILL_MODE m_FillMode; /// Grid style shape: thickness of lines (if 0 -> solid shape) int m_HatchFillTypeThickness; /// Grid style shape: dist between center of lines (grid size) (0 -> solid shape) int m_HatchFillTypeGap; /// Grid style shape: orientation in degrees of the grid lines double m_HatchFillTypeOrientation; /// Grid pattern smoothing type, similar to corner smoothing type ///< 0 = no smoothing, 1 = fillet, >= 2 = arc int m_HatchFillTypeSmoothingLevel; /// Grid pattern smoothing value for smoothing shape size calculations /// this is the ratio between the gap and the chamfer size double m_HatchFillTypeSmoothingValue; /// The index of the corner being moved or nullptr if no corner is selected. SHAPE_POLY_SET::VERTEX_INDEX* 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. */ ZONE_SEGMENT_FILL m_FillSegmList; /* 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 * as m_Poly. In less simple cases (when m_Poly has holes) m_FilledPolysList is * 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; SHAPE_POLY_SET m_RawPolysList; MD5_HASH m_filledPolysHash; // A hash value used in zone filling calculations // to see if the filled areas are up to date HATCH_STYLE m_hatchStyle; // hatch style, see enum above int m_hatchPitch; // for DIAGONAL_EDGE, distance between 2 hatch lines std::vector m_HatchLines; // hatch lines std::vector m_insulatedIslands; bool m_hv45; // constrain edges to horizontal, vertical or 45ยบ }; #endif // CLASS_ZONE_H_