sch_line.h

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2009 Jean-Pierre Charras, [email protected]
 * Copyright (C) 1992-2021 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
 */
 
#ifndef _SCH_LINE_H_
#define _SCH_LINE_H_
 
#include <sch_item.h>
#include <wx/pen.h> // for wxPenStyle
#include <list> // for std::list
 
class NETLIST_OBJECT_LIST;
 
 
class SCH_LINE : public SCH_ITEM
{
public:
 static const enum wxPenStyle PenStyle[];
 
 SCH_LINE( const VECTOR2I& pos = VECTOR2I( 0, 0 ), int layer = LAYER_NOTES );
 
 SCH_LINE( const VECTOR2D& pos, int layer = LAYER_NOTES ) :
 SCH_LINE( VECTOR2I( pos.x, pos.y ), layer )
 {}
 
 SCH_LINE( const SCH_LINE& aLine );
 
 ~SCH_LINE() { }
 
 static inline bool ClassOf( const EDA_ITEM* aItem )
 {
 return aItem && SCH_LINE_T == aItem->Type();
 }
 
 wxString GetClass() const override
 {
 return wxT( "SCH_LINE" );
 }
 
 wxString GetNetname(const SCH_SHEET_PATH &aSheet);
 
 bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
 {
 if( SCH_ITEM::IsType( aScanTypes ) )
 return true;
 
 for( KICAD_T scanType : aScanTypes )
 {
 if( scanType == SCH_ITEM_LOCATE_WIRE_T && m_layer == LAYER_WIRE )
 return true;
 
 if ( scanType == SCH_ITEM_LOCATE_BUS_T && m_layer == LAYER_BUS )
 return true;
 
 if ( scanType == SCH_ITEM_LOCATE_GRAPHIC_LINE_T && m_layer == LAYER_NOTES )
 return true;
 }
 
 return false;
 }
 
 bool IsEndPoint( const VECTOR2I& aPoint ) const
 {
 return aPoint == m_start || aPoint == m_end;
 }
 
 int GetAngleFrom( const VECTOR2I& aPoint ) const;
 int GetReverseAngleFrom( const VECTOR2I& aPoint ) const;
 
 inline EDA_ANGLE Angle() const
 {
 return ( EDA_ANGLE( (VECTOR2I) m_end - (VECTOR2I) m_start ) );
 }
 
 inline void StoreAngle()
 {
 if( !IsNull() )
 m_storedAngle = Angle();
 }
 
 inline void StoreAngle( const EDA_ANGLE& aAngle ) { m_storedAngle = aAngle; }
 
 inline EDA_ANGLE GetStoredAngle() const { return m_storedAngle; }
 
 inline bool IsOrthogonal() const { return Angle().IsCardinal(); }
 
 bool IsNull() const { return m_start == m_end; }
 
 VECTOR2I GetStartPoint() const { return m_start; }
 void SetStartPoint( const VECTOR2I& aPosition ) { m_start = aPosition; }
 
 VECTOR2I GetMidPoint() const { return ( m_start + m_end ) / 2; }
 
 VECTOR2I GetEndPoint() const { return m_end; }
 void SetEndPoint( const VECTOR2I& aPosition ) { m_end = aPosition; }
 
 void SetLastResolvedState( const SCH_ITEM* aItem ) override
 {
 const SCH_LINE* aLine = dynamic_cast<const SCH_LINE*>( aItem );
 
 if( aLine )
 {
 m_stroke = aLine->GetStroke();
 m_lastResolvedLineStyle = aLine->m_lastResolvedLineStyle;
 m_lastResolvedWidth = aLine->m_lastResolvedWidth;
 m_lastResolvedColor = aLine->m_lastResolvedColor;
 }
 }
 
 void SetLineStyle( const PLOT_DASH_TYPE aStyle );
 void SetLineStyle( const int aStyleId );
 PLOT_DASH_TYPE GetLineStyle() const;
 
 PLOT_DASH_TYPE GetEffectiveLineStyle() const;
 
 void SetLineColor( const COLOR4D& aColor );
 
 void SetLineColor( const double r, const double g, const double b, const double a );
 
 COLOR4D GetLineColor() const;
 
 void SetLineWidth( const int aSize );
 
 virtual bool HasLineStroke() const override { return true; }
 virtual STROKE_PARAMS GetStroke() const override { return m_stroke; }
 virtual void SetStroke( const STROKE_PARAMS& aStroke ) override { m_stroke = aStroke; }
 
 bool IsStrokeEquivalent( const SCH_LINE* aLine )
 {
 if( m_stroke.GetWidth() != aLine->GetStroke().GetWidth() )
 return false;
 
 if( m_stroke.GetColor() != aLine->GetStroke().GetColor() )
 return false;
 
 PLOT_DASH_TYPE style_a = m_stroke.GetPlotStyle();
 PLOT_DASH_TYPE style_b = aLine->GetStroke().GetPlotStyle();
 
 return style_a == style_b
 || ( style_a == PLOT_DASH_TYPE::DEFAULT && style_b == PLOT_DASH_TYPE::SOLID )
 || ( style_a == PLOT_DASH_TYPE::SOLID && style_b == PLOT_DASH_TYPE::DEFAULT );
 }
 
 int GetLineSize() const { return m_stroke.GetWidth(); }
 
 void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 const BOX2I GetBoundingBox() const override;
 
 double GetLength() const;
 
 void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
 
 int GetPenWidth() const override;
 
 void Move( const VECTOR2I& aMoveVector ) override;
 void MoveStart( const VECTOR2I& aMoveVector );
 void MoveEnd( const VECTOR2I& aMoveVector );
 
 void MirrorVertically( int aCenter ) override;
 void MirrorHorizontally( int aCenter ) override;
 void Rotate( const VECTOR2I& aCenter ) override;
 void RotateStart( const VECTOR2I& aCenter );
 void RotateEnd( const VECTOR2I& aCenter );
 
 SCH_LINE* MergeOverlap( SCH_SCREEN* aScreen, SCH_LINE* aLine, bool aCheckJunctions );
 
 SCH_LINE* BreakAt( const VECTOR2I& aPoint );
 
 bool IsParallel( const SCH_LINE* aLine ) const;
 
 void GetEndPoints( std::vector<DANGLING_END_ITEM>& aItemList ) override;
 
 bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
 const SCH_SHEET_PATH* aPath = nullptr ) override;
 
 bool IsStartDangling() const { return m_startIsDangling; }
 bool IsEndDangling() const { return m_endIsDangling; }
 bool IsDangling() const override { return m_startIsDangling || m_endIsDangling; }
 
 bool IsConnectable() const override;
 
 std::vector<VECTOR2I> GetConnectionPoints() const override;
 
 bool ConnectionPropagatesTo( const EDA_ITEM* aItem ) const override;
 
 void GetSelectedPoints( std::vector<VECTOR2I>& aPoints ) const;
 
 bool CanConnect( const SCH_ITEM* aItem ) const override;
 
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
 
 BITMAPS GetMenuImage() const override;
 
 bool operator <( const SCH_ITEM& aItem ) const override;
 
 VECTOR2I GetPosition() const override { return m_start; }
 void SetPosition( const VECTOR2I& aPosition ) override;
 VECTOR2I GetSortPosition() const override { return GetMidPoint(); }
 
 bool IsPointClickableAnchor( const VECTOR2I& aPos ) const override
 {
 return ( GetStartPoint() == aPos && IsStartDangling() )
 || ( GetEndPoint() == aPos && IsEndDangling() );
 }
 
 bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
 bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
 void Plot( PLOTTER* aPlotter, bool aBackground ) const override;
 
 EDA_ITEM* Clone() const override;
 
 void SwapData( SCH_ITEM* aItem ) override;
 
 void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
 
#if defined(DEBUG)
 void Show( int nestLevel, std::ostream& os ) const override;
#endif
 
 bool IsGraphicLine() const;
 
 bool IsWire() const;
 
 bool IsBus() const;
 
private:
 wxString FindWireSegmentNetNameRecursive( SCH_LINE *line, std::list<const SCH_LINE*>& checkedLines,
 const SCH_SHEET_PATH &aSheet ) const;
 bool doIsConnected( const VECTOR2I& aPosition ) const override;
 
 bool m_startIsDangling; 
 bool m_endIsDangling; 
 VECTOR2I m_start; 
 VECTOR2I m_end; 
 EDA_ANGLE m_storedAngle; 
 STROKE_PARAMS m_stroke; 
 
 // If real-time connectivity gets disabled (due to being too slow on a particular
 // design), we can no longer rely on getting the NetClass to find netclass-specific
 // linestyles, linewidths and colors.
 mutable PLOT_DASH_TYPE m_lastResolvedLineStyle;
 mutable int m_lastResolvedWidth;
 mutable COLOR4D m_lastResolvedColor;
};
 
 
#endif // _SCH_LINE_H_