383 lines
12 KiB
C++
383 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) 2018 Jean-Pierre Charras jp.charras at wanadoo.fr
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* Copyright (C) 1992-2022 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 EDA_SHAPE_H
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#define EDA_SHAPE_H
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#include <eda_units.h>
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#include <convert_to_biu.h>
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#include <trigo.h>
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#include <geometry/shape_poly_set.h>
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#include <geometry/geometry_utils.h>
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#include <stroke_params.h>
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class LINE_READER;
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class EDA_DRAW_FRAME;
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class FOOTPRINT;
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class MSG_PANEL_ITEM;
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using KIGFX::COLOR4D;
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enum class SHAPE_T : int
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{
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SEGMENT = 0,
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RECT,
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ARC,
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CIRCLE,
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POLY,
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BEZIER,
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LAST ///< marker for list end
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};
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// WARNING: Do not change these values without updating dialogs that depend on their position values
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enum class FILL_T : int
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{
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NO_FILL = 1,
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FILLED_SHAPE, // Fill with object color
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FILLED_WITH_BG_BODYCOLOR, // Fill with background body color
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FILLED_WITH_COLOR // Fill with a separate color
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};
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// Holding struct to keep originating midpoint
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struct ARC_MID
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{
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VECTOR2I mid;
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VECTOR2I start;
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VECTOR2I end;
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VECTOR2I center;
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};
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class EDA_SHAPE
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{
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public:
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EDA_SHAPE( SHAPE_T aType, int aLineWidth, FILL_T aFill );
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// Do not create a copy constructor & operator=.
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// The ones generated by the compiler are adequate.
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virtual ~EDA_SHAPE();
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void SwapShape( EDA_SHAPE* aImage );
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wxString ShowShape() const;
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wxString SHAPE_T_asString() const;
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bool IsFilled() const
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{
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return GetFillMode() != FILL_T::NO_FILL;
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}
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void SetFilled( bool aFlag )
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{
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m_fill = aFlag ? FILL_T::FILLED_SHAPE : FILL_T::NO_FILL;
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}
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void SetFillMode( FILL_T aFill ) { m_fill = aFill; }
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FILL_T GetFillMode() const { return m_fill; }
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COLOR4D GetFillColor() const { return m_fillColor; }
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void SetFillColor( const COLOR4D& aColor ) { m_fillColor = aColor; }
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void SetWidth( int aWidth ) { m_stroke.SetWidth( aWidth ); }
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int GetWidth() const { return m_stroke.GetWidth(); }
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virtual int GetEffectiveWidth() const { return GetWidth(); }
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void SetShape( SHAPE_T aShape ) { m_shape = aShape; }
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SHAPE_T GetShape() const { return m_shape; }
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/**
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* Return the starting point of the graphic.
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*/
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const VECTOR2I& GetStart() const { return m_start; }
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int GetStartY() const { return m_start.y; }
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int GetStartX() const { return m_start.x; }
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void SetStart( const VECTOR2I& aStart )
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{
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m_start = aStart;
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m_endsSwapped = false;
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}
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void SetStartY( int y )
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{
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m_start.y = y;
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m_endsSwapped = false;
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}
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void SetStartX( int x )
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{
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m_start.x = x;
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m_endsSwapped = false;
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}
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/**
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* Return the ending point of the graphic.
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*/
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const VECTOR2I& GetEnd() const { return m_end; }
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int GetEndY() const { return m_end.y; }
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int GetEndX() const { return m_end.x; }
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void SetEnd( const VECTOR2I& aEnd )
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{
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m_end = aEnd;
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m_endsSwapped = false;
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}
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void SetEndY( int y )
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{
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m_end.y = y;
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m_endsSwapped = false;
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}
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void SetEndX( int x )
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{
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m_end.x = x;
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m_endsSwapped = false;
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}
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virtual VECTOR2I GetTopLeft() const { return GetStart(); }
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virtual VECTOR2I GetBotRight() const { return GetEnd(); }
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virtual void SetTop( int val ) { SetStartY( val ); }
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virtual void SetLeft( int val ) { SetStartX( val ); }
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virtual void SetRight( int val ) { SetEndX( val ); }
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virtual void SetBottom( int val ) { SetEndY( val ); }
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void SetBezierC1( const VECTOR2I& aPt ) { m_bezierC1 = aPt; }
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const VECTOR2I& GetBezierC1() const { return m_bezierC1; }
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void SetBezierC2( const VECTOR2I& aPt ) { m_bezierC2 = aPt; }
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const VECTOR2I& GetBezierC2() const { return m_bezierC2; }
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VECTOR2I getCenter() const;
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void SetCenter( const VECTOR2I& aCenter );
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/**
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* Set the end point from the angle center and start.
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*/
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void SetArcAngleAndEnd( const EDA_ANGLE& aAngle, bool aCheckNegativeAngle = false );
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EDA_ANGLE GetArcAngle() const;
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/**
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* Have the start and end points been swapped since they were set?
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* @return true if they have
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*/
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bool EndsSwapped() const { return m_endsSwapped; }
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// Some attributes are read only, since they are derived from m_Start, m_End, and m_Angle.
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// No Set...() function for these attributes.
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VECTOR2I GetArcMid() const;
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std::vector<VECTOR2I> GetRectCorners() const;
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/**
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* Calc arc start and end angles such that aStartAngle < aEndAngle. Each may be between
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* -360.0 and 360.0.
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*/
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void CalcArcAngles( EDA_ANGLE& aStartAngle, EDA_ANGLE& aEndAngle ) const;
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int GetRadius() const;
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/**
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* Set the three controlling points for an arc.
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*
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* NB: these are NOT what's currently stored, so we have to do some calculations behind
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* the scenes. However, they are what SHOULD be stored.
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*/
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void SetArcGeometry( const VECTOR2I& aStart, const VECTOR2I& aMid, const VECTOR2I& aEnd );
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/**
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* Set the data used for mid point caching. If the controlling points remain constant, then
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* we keep the midpoint the same as it was when read in. This minimizes VCS churn
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*
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* @param aStart Cached start point
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* @param aMid Cached mid point
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* @param aEnd Cached end point
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* @param aCenter Calculated center point using the preceeding three
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*/
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void SetCachedArcData( const VECTOR2I& aStart, const VECTOR2I& aMid, const VECTOR2I& aEnd, const VECTOR2I& aCenter );
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const std::vector<VECTOR2I>& GetBezierPoints() const { return m_bezierPoints; }
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/**
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* Duplicate the list of corners in a std::vector<VECTOR2I>
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*
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* It must be used only to convert the SHAPE_POLY_SET internal corner buffer
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* to a list of VECTOR2Is, and nothing else, because it duplicates the buffer,
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* that is inefficient to know for instance the corner count
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*/
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void DupPolyPointsList( std::vector<VECTOR2I>& aBuffer ) const;
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/**
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* @return the number of corners of the polygonal shape
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*/
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int GetPointCount() const;
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// Accessors to the polygonal shape
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SHAPE_POLY_SET& GetPolyShape() { return m_poly; }
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const SHAPE_POLY_SET& GetPolyShape() const { return m_poly; }
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/**
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* @return true if the polygonal shape is valid (has more than 2 points)
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*/
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bool IsPolyShapeValid() const;
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void SetPolyShape( const SHAPE_POLY_SET& aShape )
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{
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m_poly = aShape;
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for( int ii = 0; ii < m_poly.OutlineCount(); ++ii )
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{
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if( m_poly.HoleCount( ii ) )
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{
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m_poly.Fracture( SHAPE_POLY_SET::PM_FAST );
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break;
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}
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}
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}
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void SetPolyPoints( const std::vector<VECTOR2I>& aPoints );
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/**
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* Rebuild the m_bezierPoints vertex list that approximate the Bezier curve by a list of
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* segments.
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*
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* Has meaning only for BEZIER shape.
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*
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* @param aMinSegLen is the min length of segments approximating the bezier. The shape's last
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* segment can be shorter. This parameter avoids having too many very short
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* segment in list. Good values are between m_width/2 and m_width.
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*/
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void RebuildBezierToSegmentsPointsList( int aMinSegLen );
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/**
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* Make a set of SHAPE objects representing the EDA_SHAPE. Caller owns the objects.
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*
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* @param aEdgeOnly indicates only edges should be generated (even if 0 width), and no fill
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* shapes.
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*/
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virtual std::vector<SHAPE*> MakeEffectiveShapes( bool aEdgeOnly = false ) const
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{
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return makeEffectiveShapes( aEdgeOnly );
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}
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void ShapeGetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList );
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/**
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* Return the length of the track using the hypotenuse calculation.
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*
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* @return the length of the track
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*/
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double GetLength() const;
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/**
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* Convert the shape to a closed polygon.
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*
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* Used in filling zones calculations. Circles and arcs are approximated by segments.
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*
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* @param aCornerBuffer is a buffer to store the polygon.
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* @param aClearanceValue is the clearance around the pad.
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* @param aError is the maximum deviation from a true arc.
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* @param aErrorLoc whether any approximation error shoule be placed inside or outside
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* @param ignoreLineWidth is used for edge cut items where the line width is only
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* for visualization
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*/
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void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, int aClearanceValue,
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int aError, ERROR_LOC aErrorLoc,
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bool ignoreLineWidth ) const;
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int Compare( const EDA_SHAPE* aOther ) const;
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protected:
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void setPosition( const VECTOR2I& aPos );
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VECTOR2I getPosition() const;
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void move( const VECTOR2I& aMoveVector );
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void rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle );
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void flip( const VECTOR2I& aCentre, bool aFlipLeftRight );
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void scale( double aScale );
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// To be implemented by concrete classes
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virtual EDA_ANGLE getParentOrientation() const = 0;
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virtual VECTOR2I getParentPosition() const = 0;
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const EDA_RECT getBoundingBox() const;
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void computeArcBBox( EDA_RECT& aBBox ) const;
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bool hitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const;
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bool hitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const;
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const std::vector<VECTOR2I> buildBezierToSegmentsPointsList( int aMinSegLen ) const;
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void beginEdit( const VECTOR2I& aStartPoint );
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bool continueEdit( const VECTOR2I& aPosition );
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void calcEdit( const VECTOR2I& aPosition );
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/**
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* Finishes editing the shape.
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* @param aClosed Should polygon shapes be closed (yes for pcbnew/fpeditor, no for libedit)
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*/
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void endEdit( bool aClosed = true );
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void setEditState( int aState ) { m_editState = aState; }
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/**
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* Make a set of SHAPE objects representing the EDA_SHAPE. Caller owns the objects.
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*
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* @param aEdgeOnly indicates only edges should be generated (even if 0 width), and no fill
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* shapes.
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* @param aLineChainOnly indicates SHAPE_POLY_SET is being abused slightly to represent a
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* lineChain rather than a closed polygon
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*/
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// fixme: move to shape_compound
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std::vector<SHAPE*> makeEffectiveShapes( bool aEdgeOnly, bool aLineChainOnly = false ) const;
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protected:
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bool m_endsSwapped; // true if start/end were swapped e.g. SetArcAngleAndEnd
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SHAPE_T m_shape; // Shape: line, Circle, Arc
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STROKE_PARAMS m_stroke; // Line style, width, etc.
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FILL_T m_fill;
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COLOR4D m_fillColor;
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VECTOR2I m_start; // Line start point or Circle center
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VECTOR2I m_end; // Line end point or Circle 3 o'clock point
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VECTOR2I m_arcCenter; // Used only for Arcs: arc end point
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ARC_MID m_arcMidData; // Used to store originating data
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VECTOR2I m_bezierC1; // Bezier Control Point 1
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VECTOR2I m_bezierC2; // Bezier Control Point 2
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std::vector<VECTOR2I> m_bezierPoints;
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SHAPE_POLY_SET m_poly; // Stores the S_POLYGON shape
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int m_editState;
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};
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#endif // EDA_SHAPE_H
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