/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 1992-2011 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
*/
#ifndef CLASS_ZONE_H_
#define CLASS_ZONE_H_
#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>
#include <class_zone_settings.h>
class EDA_RECT;
class LINE_READER;
class EDA_DRAW_FRAME;
class EDA_DRAW_PANEL;
class PCB_EDIT_FRAME;
class BOARD;
class ZONE_CONTAINER;
/**
* Struct SEGMENT
* is a simple container used when filling areas with segments
*/
struct SEGMENT
{
wxPoint m_Start; // starting point of a segment
wxPoint m_End; // ending point of a segment
SEGMENT() {}
SEGMENT( const wxPoint& aStart, const wxPoint& aEnd )
{
m_Start = aStart;
m_End = aEnd;
}
};
/**
* 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:
wxString m_Netname; // Net Name
CPolyLine* m_Poly; // outlines
// For corner moving, corner index to drag, or -1 if no selection.
int m_CornerSelection;
int m_ZoneClearance; // clearance value
int m_ZoneMinThickness; // Min thickness value in filled areas
// How to fill areas: 0 = use filled polygons, != 0 fill with segments.
int m_FillMode;
// number of segments to convert a circle to a polygon (uses
//ARC_APPROX_SEGMENTS_COUNT_LOW_DEF or ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF)
int m_ArcToSegmentsCount;
// thickness of the gap in thermal reliefs.
int m_ThermalReliefGap;
// thickness of the copper bridge in thermal reliefs
int m_ThermalReliefCopperBridge;
int utility, utility2; // flags used in polygon calculations
// true when a zone was filled, false after deleting the filled areas
bool m_IsFilled;
/* 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
*/
std::vector <CPolyPt> m_FilledPolysList;
/* set of segments used to fill area, when fill zone by segment is used.
* ( m_FillMode == 1 )
* in this case segments have m_ZoneMinThickness width
*/
std::vector <SEGMENT> m_FillSegmList;
private:
CPolyLine* smoothedPoly; // Corner-smoothed version of m_Poly
int cornerSmoothingType;
unsigned int 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;
ZoneConnection m_PadConnection;
public:
ZONE_CONTAINER( BOARD* parent );
ZONE_CONTAINER( const ZONE_CONTAINER& aZone );
~ZONE_CONTAINER();
/**
* Function GetPosition
* @return a wxPoint, position of the first point of the outline
*/
const wxPoint& GetPosition() const; // was overload
void SetPosition( const wxPoint& aPos ) {} // was overload
/**
* 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; }
/**
* Function copy
* copy useful data from the source.
* flags and linked list pointers are NOT copied
*/
void Copy( ZONE_CONTAINER* src );
void DisplayInfo( EDA_DRAW_FRAME* frame );
/**
* Function Draw
* Draws the zone outline.
* @param panel = current Draw Panel
* @param DC = current Device Context
* @param aDrawMode = GR_OR, GR_XOR, GR_COPY ..
* @param offset = Draw offset (usually wxPoint(0,0))
*/
void Draw( EDA_DRAW_PANEL* panel,
wxDC* DC,
int aDrawMode,
const wxPoint& offset = ZeroOffset );
/**
* 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,
int 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, int draw_mode = GR_OR );
/* Function GetBoundingBox
* @return an EDA_RECT that is the bounding box of the zone outline
*/
EDA_RECT GetBoundingBox() const;
int GetClearance( BOARD_CONNECTED_ITEM* aItem = NULL ) const;
/**
* Function Test_For_Copper_Island_And_Remove__Insulated_Islands
* Remove insulated copper islands found in m_FilledPolysList.
* @param aPcb = the board to analyze
*/
void Test_For_Copper_Island_And_Remove_Insulated_Islands( BOARD* aPcb );
/**
* Function CalculateSubAreaBoundaryBox
* Calculates the bounding box of a a filled area ( list of CPolyPt )
* use m_FilledPolysList as list of CPolyPt (that are the corners of one or more
* polygons or filled areas )
* @return an EDA_RECT as bounding box
* @param aIndexStart = index of the first corner of a polygon (filled area)
* in m_FilledPolysList
* @param aIndexEnd = index of the last corner of a polygon in m_FilledPolysList
*/
EDA_RECT CalculateSubAreaBoundaryBox( int aIndexStart, int aIndexEnd );
/**
* Function IsOnCopperLayer
* @return true if this zone is on a copper layer, false if on a technical layer
*/
bool IsOnCopperLayer( void ) const
{
return ( GetLayer() < FIRST_NO_COPPER_LAYER ) ? true : false;
}
/**
* Function SetNet
* sets the netcode and the netname.
*
* @param aNetCode The net code of the zone container if greater than or equal to
* zero. Otherwise the current net code is kept and set the net
* code error flag.
*/
virtual void SetNet( int aNetCode );
/**
* Function SetNetNameFromNetCode
* Find the net name corresponding to the net code.
* @return bool - true if net found, else false
*/
bool SetNetNameFromNetCode( void );
/**
* Function GetNetName
* returns the net name.
* @return const wxString& - The net name.
*/
const wxString& GetNetName() const { return m_Netname; };
void SetNetName( const wxString& aName ) { m_Netname = aName; }
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 SetArcSegCount( int aArcSegCount ) { m_ArcToSegmentsCount = aArcSegCount; }
int GetArcSegCount() 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; }
/** @copydoc EDA_ITEM::HitTest(const wxPoint&) */
virtual bool HitTest( const wxPoint& aPosition );
/**
* 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 BuildFilledPolysListData
* Build m_FilledPolysList data from real outlines (m_Poly)
* in order to have drawable (and plottable) filled polygons
* drawable filled polygons are polygons without hole
* @param aPcb: the current board (can be NULL for non copper zones)
* @param aCornerBuffer: A reference to a buffer to put polygon corners, or NULL
* if NULL (default), uses m_FilledPolysList and fill current zone.
* @return number of polygons
* This function does not add holes for pads and tracks but calls
* AddClearanceAreasPolygonsToPolysList() to do that for copper layers
*/
int BuildFilledPolysListData( BOARD* aPcb, std::vector <CPolyPt>* aCornerBuffer = NULL );
/**
* Function AddClearanceAreasPolygonsToPolysList
* Add non copper areas polygons (pads and tracks with clearance)
* to a filled copper area
* used in BuildFilledPolysListData 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
* BuildFilledPolysListData() call this function just after creating the
* filled copper area polygon (without clearance areas
* @param aPcb: the current board
*/
void AddClearanceAreasPolygonsToPolysList( BOARD* aPcb );
/**
* Function CopyPolygonsFromBoolengineToFilledPolysList
* Copy (Add) polygons created by kbool (after Do_Operation) to m_FilledPolysList
* @param aBoolengine = the kbool engine used in Do_Operation
* @return the corner count
*/
int CopyPolygonsFromBoolengineToFilledPolysList( Bool_Engine* aBoolengine );
/**
* Function CopyPolygonsFromFilledPolysListToBoolengine
* Copy (Add) polygons created by kbool (after Do_Operation) to m_FilledPolysList
* @param aBoolengine = kbool engine
* @param aGroup = group in kbool engine (GROUP_A or GROUP_B only)
* @return the corner count
*/
int CopyPolygonsFromFilledPolysListToBoolengine( Bool_Engine* aBoolengine,
GroupType aGroup = GROUP_A );
/**
* 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
*/
bool HitTestForCorner( const wxPoint& refPos );
/**
* 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
*/
bool HitTestForEdge( const wxPoint& refPos );
/** @copydoc EDA_ITEM::HitTest(const EDA_RECT&)const */
virtual bool HitTest( const EDA_RECT& aRect ) const;
/**
* Function Fill_Zone
* Calculate the zone filling
* The zone outline is a frontier, and can be complex (with holes)
* The filling starts from starting points like pads, tracks.
* If exists the old filling is removed
* @param frame = reference to the main frame
* @param DC = current Device Context
* @param verbose = true to show error messages
* @return error level (0 = no error)
*/
int Fill_Zone( PCB_EDIT_FRAME* frame, wxDC* DC, bool verbose = true );
/**
* Function Fill_Zone_Areas_With_Segments
* 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 number of segments created
*/
int Fill_Zone_Areas_With_Segments();
/**
* 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 );
/**
* Function MoveEdge
* Move the outline Edge. m_CornerSelection is the start point of the outline edge
* @param offset = moving vector
*/
void MoveEdge( const wxPoint& offset );
/**
* Function Rotate
* Move the outlines
* @param centre = rot centre
* @param angle = in 0.1 degree
*/
void Rotate( const wxPoint& centre, double angle );
/**
* 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 );
/**
* 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 );
/**
* Function GetClass
* returns the class name.
* @return wxString
*/
wxString GetClass() const
{
return wxT( "ZONE_CONTAINER" );
}
/** Access to m_Poly parameters
*/
int GetNumCorners( void ) const
{
return m_Poly->GetNumCorners();
}
void RemoveAllContours( void )
{
m_Poly->RemoveAllContours();
}
const wxPoint& GetCornerPosition( int aCornerIndex ) const
{
return m_Poly->GetPos( aCornerIndex );
}
void SetCornerPosition( int aCornerIndex, wxPoint new_pos )
{
m_Poly->SetX( aCornerIndex, new_pos.x );
m_Poly->SetY( aCornerIndex, new_pos.y );
}
void AppendCorner( wxPoint position )
{
m_Poly->AppendCorner( position.x, position.y );
}
int GetHatchStyle() const
{
return m_Poly->GetHatchStyle();
}
/**
* Function TransformShapeWithClearanceToPolygon
* Convert the track shape to a closed polygon
* Used in filling zones calculations
* Circles (vias) and arcs (ends of tracks) are approximated by segments
* @param aCornerBuffer = a buffer to store the polygon
* @param aClearanceValue = the clearance around the pad
* @param aCircleToSegmentsCount = the number of segments to approximate a circle
* @param aCorrectionFactor = the correction to apply to circles radius to keep
* @param aAddClearance = true to add a clearance area to the polygon
* false to create the outline polygon.
* clearance when the circle is approximated by segment bigger or equal
* to the real clearance value (usually near from 1.0)
*/
void TransformShapeWithClearanceToPolygon( std::vector <CPolyPt>& aCornerBuffer,
int aClearanceValue,
int aCircleToSegmentsCount,
double aCorrectionFactor,
bool aAddClearance );
/**
* 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 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( smoothedPoly )
return smoothedPoly;
else
return m_Poly;
};
void SetCornerSmoothingType( int aType ) { cornerSmoothingType = aType; };
int GetCornerSmoothingType() const { return cornerSmoothingType; };
void SetCornerRadius( unsigned int aRadius )
{
if( aRadius > MAX_ZONE_CORNER_RADIUS )
cornerRadius = MAX_ZONE_CORNER_RADIUS;
else if( aRadius < 0 )
cornerRadius = 0;
else
cornerRadius = aRadius;
};
unsigned int GetCornerRadius() const { return cornerRadius; };
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const { return add_zone_xpm; }
virtual EDA_ITEM* Clone() const;
void Format( OUTPUTFORMATTER* aFormatter, int aNestLevel, int aControlBits ) const
throw( IO_ERROR );
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); } // override
#endif
};
#endif // CLASS_ZONE_H_