283 lines
10 KiB
C++
283 lines
10 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) 1992-2018 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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/**
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* @file class_drawsegment.h
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* @brief Class to handle a graphic segment.
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*/
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#ifndef CLASS_DRAWSEGMENT_H_
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#define CLASS_DRAWSEGMENT_H_
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#include <class_board_item.h>
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#include <math_for_graphics.h>
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#include <trigo.h>
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#include <common.h>
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#include <geometry/shape_poly_set.h>
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class LINE_READER;
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class EDA_DRAW_FRAME;
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class MODULE;
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class MSG_PANEL_ITEM;
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class DRAWSEGMENT : public BOARD_ITEM
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{
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protected:
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int m_Width; ///< thickness of lines ...
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wxPoint m_Start; ///< Line start point or Circle and Arc center
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wxPoint m_End; ///< Line end point or circle and arc start point
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STROKE_T m_Shape; ///< Shape: line, Circle, Arc
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int m_Type; ///< Used in complex associations ( Dimensions.. )
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double m_Angle; ///< Used only for Arcs: Arc angle in 1/10 deg
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wxPoint m_BezierC1; ///< Bezier Control Point 1
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wxPoint m_BezierC2; ///< Bezier Control Point 2
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std::vector<wxPoint> m_BezierPoints;
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SHAPE_POLY_SET m_Poly; ///< Stores the S_POLYGON shape
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// Computes the bounding box for an arc
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void computeArcBBox( EDA_RECT& aBBox ) const;
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public:
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DRAWSEGMENT( BOARD_ITEM* aParent = NULL, KICAD_T idtype = PCB_LINE_T );
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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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~DRAWSEGMENT();
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && PCB_LINE_T == aItem->Type();
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}
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/** Polygonal shape is not always filled.
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* For now it is filled on all layers but Edge_Cut layer
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*/
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bool IsPolygonFilled() const { return m_Layer != Edge_Cuts; }
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void SetWidth( int aWidth ) { m_Width = aWidth; }
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int GetWidth() const { return m_Width; }
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/**
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* Function SetAngle
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* sets the angle for arcs, and normalizes it within the range 0 - 360 degrees.
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* @param aAngle is tenths of degrees, but will soon be degrees.
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*/
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void SetAngle( double aAngle ); // encapsulates the transition to degrees
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double GetAngle() const { return m_Angle; }
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void SetType( int aType ) { m_Type = aType; }
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int GetType() const { return m_Type; }
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void SetShape( STROKE_T aShape ) { m_Shape = aShape; }
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STROKE_T GetShape() const { return m_Shape; }
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void SetBezControl1( const wxPoint& aPoint ) { m_BezierC1 = aPoint; }
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const wxPoint& GetBezControl1() const { return m_BezierC1; }
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void SetBezControl2( const wxPoint& aPoint ) { m_BezierC2 = aPoint; }
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const wxPoint& GetBezControl2() const { return m_BezierC2; }
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void SetPosition( const wxPoint& aPos ) override;
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const wxPoint GetPosition() const override;
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/**
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* Function GetStart
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* returns the starting point of the graphic
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*/
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const wxPoint& GetStart() const { return m_Start; }
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void SetStart( const wxPoint& aStart ) { m_Start = aStart; }
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void SetStartY( int y ) { m_Start.y = y; }
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void SetStartX( int x ) { m_Start.x = x; }
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/**
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* Function GetEnd
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* returns the ending point of the graphic
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*/
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const wxPoint& GetEnd() const { return m_End; }
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void SetEnd( const wxPoint& aEnd ) { m_End = aEnd; }
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void SetEndY( int y ) { m_End.y = y; }
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void SetEndX( int x ) { m_End.x = x; }
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// Some attributes are read only, since they are "calculated" from
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// m_Start, m_End, and m_Angle.
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// No Set...() function for these attributes.
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const wxPoint GetCenter() const override;
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const wxPoint& GetArcStart() const { return m_End; }
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const wxPoint GetArcEnd() const;
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/**
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* function GetArcAngleStart()
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* @return the angle of the starting point of this arc, between 0 and 3600 in 0.1 deg
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*/
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double GetArcAngleStart() const;
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/**
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* Function GetRadius
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* returns the radius of this item
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* Has meaning only for arc and circle
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*/
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int GetRadius() const
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{
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double radius = GetLineLength( m_Start, m_End );
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return KiROUND( radius );
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}
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/**
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* Initialize the start arc point. can be used for circles
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* to initialize one point of the cicumference
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*/
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void SetArcStart( const wxPoint& aArcStartPoint )
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{ m_End = aArcStartPoint; }
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/** For arcs and circles:
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*/
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void SetCenter( const wxPoint& aCenterPoint ) { m_Start = aCenterPoint; }
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/**
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* Function GetParentModule
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* returns a pointer to the parent module, or NULL if DRAWSEGMENT does not
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* belong to a module.
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* @return MODULE* - pointer to the parent module or NULL.
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*/
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MODULE* GetParentModule() const;
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// Accessors:
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const std::vector<wxPoint>& GetBezierPoints() const { return m_BezierPoints; }
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/** Build and return the list of corners in a std::vector<wxPoint>
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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 wxPoints, 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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const std::vector<wxPoint> BuildPolyPointsList() const;
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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 ) { m_Poly = aShape; }
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void SetBezierPoints( const std::vector<wxPoint>& aPoints )
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{
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m_BezierPoints = aPoints;
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}
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/** Rebuild the m_BezierPoints vertex list that approximate the Bezier curve
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* by a list of segments
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* Has meaning only for S_CURVE DRAW_SEGMENT shape
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* @param aMinSegLen is the min length of segments approximating the shape.
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* the last segment can be shorter
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* This param avoid having too many very short segment in list.
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* a good value is m_Width/2 to m_Width
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*/
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void RebuildBezierToSegmentsPointsList( int aMinSegLen );
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void SetPolyPoints( const std::vector<wxPoint>& aPoints );
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC,
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GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset ) override;
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virtual void GetMsgPanelInfo( EDA_UNITS_T aUnits,
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std::vector< MSG_PANEL_ITEM >& aList ) override;
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virtual const EDA_RECT GetBoundingBox() const override;
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virtual bool HitTest( const wxPoint& aPosition ) const override;
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bool HitTest( const EDA_RECT& aRect, bool aContained = true,
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int aAccuracy = 0 ) const override;
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wxString GetClass() const override
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{
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return wxT( "DRAWSEGMENT" );
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}
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/**
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* Function GetLength
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* returns the length of the track using the hypotenuse calculation.
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* @return double - the length of the track
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*/
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double GetLength() const
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{
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return GetLineLength( GetStart(), GetEnd() );
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}
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virtual void Move( const wxPoint& aMoveVector ) override;
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virtual void Rotate( const wxPoint& aRotCentre, double aAngle ) override;
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virtual void Flip( const wxPoint& aCentre ) override;
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/**
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* Function TransformShapeWithClearanceToPolygon
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* Convert the draw segment to a closed polygon
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* Used in filling zones calculations
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* Circles and arcs are approximated by segments
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* @param aCornerBuffer = a buffer to store the polygon
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* @param aClearanceValue = the clearance around the pad
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* @param aCircleToSegmentsCount = the number of segments to approximate a circle
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* @param aCorrectionFactor = the correction to apply to circles radius to keep
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* clearance when the circle is approximated by segment bigger or equal
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* to the real clearance value (usually near from 1.0)
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* @param ignoreLineWidth = 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,
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int aClearanceValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor,
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bool ignoreLineWidth = false ) const override;
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virtual wxString GetSelectMenuText( EDA_UNITS_T aUnits ) const override;
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virtual BITMAP_DEF GetMenuImage() const override;
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virtual EDA_ITEM* Clone() const override;
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virtual const BOX2I ViewBBox() const override;
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virtual void SwapData( BOARD_ITEM* aImage ) override;
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
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#endif
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};
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#endif // CLASS_DRAWSEGMENT_H_
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