354 lines
12 KiB
C++
354 lines
12 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef _SCH_LINE_H_
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#define _SCH_LINE_H_
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#include <sch_item.h>
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#include <wx/pen.h> // for wxPenStyle
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#include <list> // for std::list
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class NETLIST_OBJECT_LIST;
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/**
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* Segment description base class to describe items which have 2 end points (track, wire,
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* draw line ...)
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*/
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class SCH_LINE : public SCH_ITEM
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{
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public:
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static const enum wxPenStyle PenStyle[];
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SCH_LINE( const VECTOR2I& pos = VECTOR2I( 0, 0 ), int layer = LAYER_NOTES );
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SCH_LINE( const VECTOR2D& pos, int layer = LAYER_NOTES ) :
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SCH_LINE( VECTOR2I( pos.x, pos.y ), layer )
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{}
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SCH_LINE( const SCH_LINE& aLine );
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~SCH_LINE() { }
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && SCH_LINE_T == aItem->Type();
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}
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wxString GetClass() const override
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{
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return wxT( "SCH_LINE" );
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}
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/**
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* @brief This function travel though all the connected wire segments
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* to look for connected labels.
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* @param aSheet - the sheet where the current wire segment is located
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* @return returns the name of the wire if connected labels found, otherwise empty string
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*/
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wxString GetNetname(const SCH_SHEET_PATH &aSheet);
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bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
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{
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if( SCH_ITEM::IsType( aScanTypes ) )
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return true;
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for( KICAD_T scanType : aScanTypes )
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{
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if( scanType == SCH_ITEM_LOCATE_WIRE_T && m_layer == LAYER_WIRE )
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return true;
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if ( scanType == SCH_ITEM_LOCATE_BUS_T && m_layer == LAYER_BUS )
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return true;
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if ( scanType == SCH_ITEM_LOCATE_GRAPHIC_LINE_T && m_layer == LAYER_NOTES )
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return true;
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}
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return false;
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}
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bool IsEndPoint( const VECTOR2I& aPoint ) const
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{
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return aPoint == m_start || aPoint == m_end;
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}
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int GetAngleFrom( const VECTOR2I& aPoint ) const;
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int GetReverseAngleFrom( const VECTOR2I& aPoint ) const;
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/**
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* Gets the angle between the start and end lines.
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*
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* @return Line angle in radians.
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*/
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inline EDA_ANGLE Angle() const
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{
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return ( EDA_ANGLE( (VECTOR2I) m_end - (VECTOR2I) m_start ) );
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}
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/**
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* Saves the current line angle. Useful when dragging a line and its important to
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* be able to restart the line from length 0 in the correct direction.
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*/
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inline void StoreAngle()
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{
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if( !IsNull() )
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m_storedAngle = Angle();
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}
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inline void StoreAngle( const EDA_ANGLE& aAngle ) { m_storedAngle = aAngle; }
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/**
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* Returns the angle stored by StoreAngle()
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*
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* @return Stored angle in radians.
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*/
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inline EDA_ANGLE GetStoredAngle() const { return m_storedAngle; }
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/**
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* Checks if line is orthogonal (to the grid).
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*
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* @return True if orthogonal, false if not or the line is zero length.
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*/
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inline bool IsOrthogonal() const { return Angle().IsCardinal(); }
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bool IsNull() const { return m_start == m_end; }
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VECTOR2I GetStartPoint() const { return m_start; }
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void SetStartPoint( const VECTOR2I& aPosition ) { m_start = aPosition; }
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VECTOR2I GetMidPoint() const { return ( m_start + m_end ) / 2; }
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VECTOR2I GetEndPoint() const { return m_end; }
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void SetEndPoint( const VECTOR2I& aPosition ) { m_end = aPosition; }
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void SetLastResolvedState( const SCH_ITEM* aItem ) override
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{
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const SCH_LINE* aLine = dynamic_cast<const SCH_LINE*>( aItem );
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if( aLine )
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{
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m_stroke = aLine->GetStroke();
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m_lastResolvedLineStyle = aLine->m_lastResolvedLineStyle;
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m_lastResolvedWidth = aLine->m_lastResolvedWidth;
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m_lastResolvedColor = aLine->m_lastResolvedColor;
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}
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}
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void SetLineStyle( const PLOT_DASH_TYPE aStyle );
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void SetLineStyle( const int aStyleId );
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PLOT_DASH_TYPE GetLineStyle() const;
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/// @return the style that the line should be drawn in
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/// this might be set on the line or inherited from the line's netclass
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PLOT_DASH_TYPE GetEffectiveLineStyle() const;
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void SetLineColor( const COLOR4D& aColor );
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void SetLineColor( const double r, const double g, const double b, const double a );
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/// Returns COLOR4D::UNSPECIFIED if a custom color hasn't been set for this line
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COLOR4D GetLineColor() const;
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void SetLineWidth( const int aSize );
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virtual bool HasLineStroke() const override { return true; }
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virtual STROKE_PARAMS GetStroke() const override { return m_stroke; }
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virtual void SetStroke( const STROKE_PARAMS& aStroke ) override { m_stroke = aStroke; }
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bool IsStrokeEquivalent( const SCH_LINE* aLine )
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{
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if( m_stroke.GetWidth() != aLine->GetStroke().GetWidth() )
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return false;
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if( m_stroke.GetColor() != aLine->GetStroke().GetColor() )
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return false;
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PLOT_DASH_TYPE style_a = m_stroke.GetPlotStyle();
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PLOT_DASH_TYPE style_b = aLine->GetStroke().GetPlotStyle();
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return style_a == style_b
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|| ( style_a == PLOT_DASH_TYPE::DEFAULT && style_b == PLOT_DASH_TYPE::SOLID )
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|| ( style_a == PLOT_DASH_TYPE::SOLID && style_b == PLOT_DASH_TYPE::DEFAULT );
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}
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int GetLineSize() const { return m_stroke.GetWidth(); }
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void ViewGetLayers( int aLayers[], int& aCount ) const override;
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const BOX2I GetBoundingBox() const override;
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/**
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* @return The length of the line segment.
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*/
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double GetLength() const;
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void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
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int GetPenWidth() const override;
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void Move( const VECTOR2I& aMoveVector ) override;
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void MoveStart( const VECTOR2I& aMoveVector );
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void MoveEnd( const VECTOR2I& aMoveVector );
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void MirrorVertically( int aCenter ) override;
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void MirrorHorizontally( int aCenter ) override;
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void Rotate( const VECTOR2I& aCenter ) override;
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void RotateStart( const VECTOR2I& aCenter );
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void RotateEnd( const VECTOR2I& aCenter );
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/**
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* Check line against \a aLine to see if it overlaps and merge if it does.
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*
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* This method will return an equivalent of the union of line and \a aLine if the
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* two lines overlap. This method is used to merge multiple line segments into a single
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* line.
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*
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* @param aScreen is the current screen.
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* @param aLine is the line to compare.
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* @param aCheckJunctions is used to indicate if we need to check for a junction if the two
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* segments are colinear and touch.
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* @return New line that combines the two or NULL on non-overlapping segments.
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*/
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SCH_LINE* MergeOverlap( SCH_SCREEN* aScreen, SCH_LINE* aLine, bool aCheckJunctions );
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/**
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* Break this segment into two at the specified point.
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*
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* @note No checks are made to verify if aPoint is contained within the segment. That is
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* the responsibility of the caller.
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*
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* @note It is the responsibility of the caller to add the newly created segment
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* to the screen.
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*
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* @param aPoint Point at which to break the segment
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* @return The newly created segment.
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*/
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SCH_LINE* BreakAt( const VECTOR2I& aPoint );
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bool IsParallel( const SCH_LINE* aLine ) const;
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void GetEndPoints( std::vector<DANGLING_END_ITEM>& aItemList ) override;
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bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
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const SCH_SHEET_PATH* aPath = nullptr ) override;
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bool IsStartDangling() const { return m_startIsDangling; }
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bool IsEndDangling() const { return m_endIsDangling; }
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bool IsDangling() const override { return m_startIsDangling || m_endIsDangling; }
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bool IsConnectable() const override;
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std::vector<VECTOR2I> GetConnectionPoints() const override;
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bool ConnectionPropagatesTo( const EDA_ITEM* aItem ) const override;
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void GetSelectedPoints( std::vector<VECTOR2I>& aPoints ) const;
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bool CanConnect( const SCH_ITEM* aItem ) const override;
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wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
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BITMAPS GetMenuImage() const override;
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bool operator <( const SCH_ITEM& aItem ) const override;
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VECTOR2I GetPosition() const override { return m_start; }
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void SetPosition( const VECTOR2I& aPosition ) override;
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VECTOR2I GetSortPosition() const override { return GetMidPoint(); }
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bool IsPointClickableAnchor( const VECTOR2I& aPos ) const override
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{
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return ( GetStartPoint() == aPos && IsStartDangling() )
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|| ( GetEndPoint() == aPos && IsEndDangling() );
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}
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bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
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bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
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void Plot( PLOTTER* aPlotter, bool aBackground ) const override;
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EDA_ITEM* Clone() const override;
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void SwapData( SCH_ITEM* aItem ) override;
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override;
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#endif
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/**
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* Return if the line is a graphic (non electrical line)
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*
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* Currently, anything on the internal NOTES layer is a graphic line
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*/
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bool IsGraphicLine() const;
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/**
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* Return true if the line is a wire.
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*
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* @return true if this line is on the wire layer.
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*/
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bool IsWire() const;
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/**
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* Return true if the line is a bus.
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*
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* @return true if this line is on the bus layer.
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*/
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bool IsBus() const;
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private:
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/**
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* @brief Recursively called function to travel through the connected wires and find a connected
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* net name label
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* @param line - the wire segment to start the recursive lookup
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* @param checkedLines - a lsit containing the already checked wire segments, to prevent the
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* infinite recursion in the case if someone draws a rectangle for e.g.
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* @param aSheet - the sheet where the lookup is performed
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* @return With the net name if a connected label found, otherwise with an empty string
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*/
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wxString FindWireSegmentNetNameRecursive( SCH_LINE *line, std::list<const SCH_LINE*>& checkedLines,
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const SCH_SHEET_PATH &aSheet ) const;
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bool doIsConnected( const VECTOR2I& aPosition ) const override;
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bool m_startIsDangling; ///< True if start point is not connected.
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bool m_endIsDangling; ///< True if end point is not connected.
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VECTOR2I m_start; ///< Line start point
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VECTOR2I m_end; ///< Line end point
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EDA_ANGLE m_storedAngle; ///< Stored angle
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STROKE_PARAMS m_stroke; ///< Line stroke properties.
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// If real-time connectivity gets disabled (due to being too slow on a particular
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// design), we can no longer rely on getting the NetClass to find netclass-specific
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// linestyles, linewidths and colors.
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mutable PLOT_DASH_TYPE m_lastResolvedLineStyle;
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mutable int m_lastResolvedWidth;
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mutable COLOR4D m_lastResolvedColor;
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};
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#endif // _SCH_LINE_H_
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