kicad/pcbnew/class_zone.h

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/**
* @file class_zone.h
* @brief Classes to handle copper zones
*/
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#ifndef CLASS_ZONE_H
#define CLASS_ZONE_H
#include <vector>
#include "gr_basic.h"
#include "class_board_item.h"
#include "layers_id_colors_and_visibility.h"
#include "PolyLine.h"
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#include "class_zone_setting.h"
class EDA_RECT;
class LINE_READER;
class EDA_DRAW_FRAME;
class EDA_DRAW_PANEL;
class PCB_EDIT_FRAME;
class BOARD;
class ZONE_CONTAINER;
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/* a small class used when filling areas with segments */
class SEGMENT
{
public:
wxPoint m_Start; // starting point of a segment
wxPoint m_End; // ending point of a segment
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public:
SEGMENT() {}
SEGMENT( const wxPoint& aStart, const wxPoint& aEnd)
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{
m_Start = aStart;
m_End = aEnd;
}
};
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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:
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;
int m_PadOption;
// thickness of the gap in thermal reliefs.
int m_ThermalReliefGapValue;
// thickness of the copper bridge in thermal reliefs
int m_ThermalReliefCopperBridgeValue;
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;
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private:
CPolyLine* smoothedPoly; // Corner-smoothed version of m_Poly
int cornerSmoothingType;
unsigned int cornerRadius;
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public:
ZONE_CONTAINER( BOARD* parent );
~ZONE_CONTAINER();
bool Save( FILE* aFile ) const;
/**
* Function ReadDescr
* reads the data structures for this object from a LINE_READER in "*.brd" format.
* @param aReader is a pointer to a LINE_READER to read from.
* @return int - 1 if success, 0 if not.
*/
int ReadDescr( LINE_READER* aReader );
/**
* Function GetPosition
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* @return a wxPoint, position of the first point of the outline
*/
wxPoint& GetPosition();
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/**
* 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
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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,
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 );
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/**
* 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;
}
/**
* Functio SetNet
* set 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 );
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/**
* Function SetNetNameFromNetCode
* Find the net name corresponding to the net code.
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* @return bool - true if net found, else false
*/
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bool SetNetNameFromNetCode( void );
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/**
* Function GetNetName
* returns the net name.
* @return wxString - The net name.
*/
wxString GetNetName() const { return m_Netname; };
/**
* Function HitTest
* tests if the given wxPoint is within the bounds of this object.
* For zones, this means near an outline segment
* @param refPos A wxPoint to test
* @return bool - true if a hit, else false
*/
bool HitTest( const wxPoint& refPos );
/**
* 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
*/
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bool HitTestFilledArea( const wxPoint& aRefPos );
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/**
* 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)
* @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 );
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/**
* 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 );
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/**
* Function CopyPolygonsFromBoolengineToFilledPolysList
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* 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
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*/
int CopyPolygonsFromBoolengineToFilledPolysList( Bool_Engine* aBoolengine );
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/**
* Function CopyPolygonsFromFilledPolysListToBoolengine
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* 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
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*/
int CopyPolygonsFromFilledPolysListToBoolengine( Bool_Engine* aBoolengine,
GroupType aGroup = GROUP_A );
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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
*/
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 );
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/**
* Function HitTest (overloaded)
* tests if the given EDA_RECT contains the bounds of this object.
* @param refArea : the given EDA_RECT
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* @return bool - true if a hit, else false
*/
bool HitTest( EDA_RECT& refArea );
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/**
* 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 );
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/**
* 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, int angle );
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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 );
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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
*/
wxString GetClass() const
{
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->GetNumCorners();
}
void RemoveAllContours( void )
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{
m_Poly->RemoveAllContours();
}
wxPoint GetCornerPosition( int aCornerIndex ) const
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{
return wxPoint( m_Poly->GetX( aCornerIndex ), m_Poly->GetY( 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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}
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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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/**
* Function IsSame
* test is 2 zones are equivalent:
* 2 zones are equivalent if they have same parameters and same outlines
* info relative to filling is not take in account
* @param aZoneToCompare = zone to compare with "this"
*/
bool IsSame( const ZONE_CONTAINER &aZoneToCompare);
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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( smoothedPoly )
return smoothedPoly;
else
return m_Poly;
};
void SetCornerSmoothingType( int aType ) { cornerSmoothingType = aType; };
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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; }
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};
#endif // #ifndef CLASS_ZONE_H