kicad/eeschema/sch_line.h

191 lines
6.5 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* 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 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; ///< True if start point is not connected.
bool m_endIsDangling; ///< True if end point is not connected.
int m_width; ///< Set to 0 for wires and greater than 0 for busses.
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; }
wxPoint GetStartPoint() const { return m_start; }
void SetStartPoint( const wxPoint& aPosition ) { m_start = aPosition; }
wxPoint GetEndPoint() const { return m_end; }
void SetEndPoint( const wxPoint& aPosition ) { m_end = aPosition; }
/**
* 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;
/**
* Function GetLength
* @return The length of the line segment.
*/
double GetLength() 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 multiple 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( vector <DANGLING_END_ITEM>& aItemList );
virtual bool IsDanglingStateChanged( 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;
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const;
virtual void GetNetListItem( vector<NETLIST_OBJECT*>& aNetListItems,
SCH_SHEET_PATH* aSheetPath );
virtual bool operator <( const SCH_ITEM& aItem ) const;
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const;
#endif
private:
virtual bool doHitTest( const wxPoint& aPoint, int aAccuracy ) 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;
virtual void doPlot( PLOTTER* aPlotter );
virtual wxPoint doGetPosition() const { return m_start; }
virtual void doSetPosition( const wxPoint& aPosition );
};
#endif // _SCH_LINE_H_