kicad/eeschema/sch_line.h

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/**
* @file sch_line.h
*
*/
#ifndef _SCH_LINE_H_
#define _SCH_LINE_H_
#include "sch_item_struct.h"
/**
* Class SCH_LINE
* is a segment description base class to describe items which have 2 end
* points (track, wire, draw line ...)
*/
class SCH_LINE : public SCH_ITEM
{
bool m_StartIsDangling;
bool m_EndIsDangling; // TRUE if not connected (wires, tracks...)
public:
int m_Width; // 0 = line, > 0 = tracks, bus ...
wxPoint m_Start; // Line start point
wxPoint m_End; // Line end point
public:
SCH_LINE( const wxPoint& pos = wxPoint( 0, 0 ), int layer = LAYER_NOTES );
SCH_LINE( const SCH_LINE& aLine );
~SCH_LINE() { }
SCH_LINE* Next() const { return (SCH_LINE*) Pnext; }
SCH_LINE* Back() const { return (SCH_LINE*) Pback; }
virtual wxString GetClass() const
{
return wxT( "SCH_LINE" );
}
bool IsEndPoint( const wxPoint& aPoint ) const
{
return aPoint == m_Start || aPoint == m_End;
}
bool IsNull() const { return m_Start == m_End; }
/**
* Function GetBoundingBox
* returns the orthogonal, bounding box of this object for display purposes.
* This box should be an enclosing perimeter for visible components of this
* object, and the units should be in the pcb or schematic coordinate system.
* It is OK to overestimate the size by a few counts.
*/
EDA_Rect GetBoundingBox() const;
virtual void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
int aDrawMode, int aColor = -1 );
/**
* Function Save
* writes the data structures for this object out to a FILE in "*.sch" format.
* @param aFile The FILE to write to.
* @return bool - true if success writing else false.
*/
bool Save( FILE* aFile ) const;
/**
* Load schematic line from \a aLine in a .sch file.
*
* @param aLine - Essentially this is file to read schematic line from.
* @param aErrorMsg - Description of the error if an error occurs while loading the
* schematic line.
* @return True if the schematic line loaded successfully.
*/
virtual bool Load( LINE_READER& aLine, wxString& aErrorMsg );
/**
* Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
virtual int GetPenSize() const;
/**
* Function Move
* moves the item by \a aMoveVector.
* @param aMoveVector The displacement vector
*/
virtual void Move( const wxPoint& aMoveVector );
virtual void Mirror_X( int aXaxis_position );
/**
* Function Mirror_Y
* mirrors the item relative to \a aYaxis_position.
* @param aYaxis_position = the y axis position
*/
virtual void Mirror_Y( int aYaxis_position );
virtual void Rotate( wxPoint rotationPoint );
/**
* Check line against \a aLine to see if it overlaps and merge if it does.
*
* This method will change the line to be equivalent of the line and \a aLine if the
* two lines overlap. This method is used to merge multple line segments into a single
* line.
*
* @param aLine - Line to compare.
* @return True if lines overlap and the line was merged with \a aLine.
*/
bool MergeOverlap( SCH_LINE* aLine );
virtual void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList );
virtual bool IsDanglingStateChanged( std::vector< DANGLING_END_ITEM >& aItemList );
virtual bool IsDangling() const { return m_StartIsDangling || m_EndIsDangling; }
virtual bool IsSelectStateChanged( const wxRect& aRect );
/**
* Function IsConnectable
* returns true if the schematic item can connect to another schematic item.
*/
virtual bool IsConnectable() const;
virtual void GetConnectionPoints( vector< wxPoint >& aPoints ) const;
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const;
#endif
private:
virtual bool doHitTest( const wxPoint& aPoint, int aAccuracy, SCH_FILTER_T aFilter ) const;
virtual bool doHitTest( const EDA_Rect& aRect, bool aContained, int aAccuracy ) const;
virtual bool doIsConnected( const wxPoint& aPosition ) const;
virtual EDA_ITEM* doClone() const;
};
#endif // _SCH_LINE_H_