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1 files changed, 256 insertions, 0 deletions

diff --git a/pcbnew/class_drawsegment.h b/pcbnew/class_drawsegment.h
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+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
+ * 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 class_drawsegment.h
+ * @brief Class to handle a graphic segment.
+ */
+
+#ifndef CLASS_DRAWSEGMENT_H_
+#define CLASS_DRAWSEGMENT_H_
+
+#include <class_board_item.h>
+#include <PolyLine.h>
+#include <math_for_graphics.h>
+#include <trigo.h>
+#include <common.h>
+
+
+class LINE_READER;
+class EDA_DRAW_FRAME;
+class MODULE;
+class MSG_PANEL_ITEM;
+
+
+class DRAWSEGMENT : public BOARD_ITEM
+{
+protected:
+    int         m_Width;        ///< thickness of lines ...
+    wxPoint     m_Start;        ///< Line start point or Circle and Arc center
+    wxPoint     m_End;          ///< Line end point or circle and arc start point
+
+    STROKE_T    m_Shape;        ///< Shape: line, Circle, Arc
+    int         m_Type;         ///< Used in complex associations ( Dimensions.. )
+    double      m_Angle;        ///< Used only for Arcs: Arc angle in 1/10 deg
+    wxPoint     m_BezierC1;     ///< Bezier Control Point 1
+    wxPoint     m_BezierC2;     ///< Bezier Control Point 2
+
+    std::vector<wxPoint>    m_BezierPoints;
+    std::vector<wxPoint>    m_PolyPoints;
+
+    // Computes the bounding box for an arc
+    void computeArcBBox( EDA_RECT& aBBox ) const;
+
+public:
+    DRAWSEGMENT( BOARD_ITEM* aParent = NULL, KICAD_T idtype = PCB_LINE_T );
+
+    // Do not create a copy constructor.  The one generated by the compiler is adequate.
+
+    ~DRAWSEGMENT();
+
+    /// skip the linked list stuff, and parent
+    const DRAWSEGMENT& operator = ( const DRAWSEGMENT& rhs );
+
+    static inline bool ClassOf( const EDA_ITEM* aItem )
+    {
+        return aItem && PCB_LINE_T == aItem->Type();
+    }
+
+    void SetWidth( int aWidth )             { m_Width = aWidth; }
+    int GetWidth() const                    { return m_Width; }
+
+    /**
+     * Function SetAngle
+     * sets the angle for arcs, and normalizes it within the range 0 - 360 degrees.
+     * @param aAngle is tenths of degrees, but will soon be degrees.
+     */
+    void SetAngle( double aAngle );     // encapsulates the transition to degrees
+    double GetAngle() const { return m_Angle; }
+
+    void SetType( int aType )                       { m_Type = aType; }
+    int GetType() const                             { return m_Type; }
+
+    void SetShape( STROKE_T aShape )                { m_Shape = aShape; }
+    STROKE_T GetShape() const                       { return m_Shape; }
+
+    void SetBezControl1( const wxPoint& aPoint )    { m_BezierC1 = aPoint; }
+    const wxPoint& GetBezControl1() const           { return m_BezierC1; }
+
+    void SetBezControl2( const wxPoint& aPoint )    { m_BezierC2 = aPoint; }
+    const wxPoint& GetBezControl2() const           { return m_BezierC2; }
+
+    void SetPosition( const wxPoint& aPos )         { m_Start = aPos; }     // override
+    const wxPoint& GetPosition() const              { return m_Start; }     // override
+
+    /**
+     * Function GetStart
+     * returns the starting point of the graphic
+     */
+    const wxPoint& GetStart() const         { return m_Start; }
+    void SetStart( const wxPoint& aStart )  { m_Start = aStart; }
+    void SetStartY( int y )                 { m_Start.y = y; }
+    void SetStartX( int x )                 { m_Start.x = x; }
+
+    /**
+     * Function GetEnd
+     * returns the ending point of the graphic
+     */
+    const wxPoint& GetEnd() const           { return m_End; }
+    void SetEnd( const wxPoint& aEnd )      { m_End = aEnd; }
+    void SetEndY( int y )                   { m_End.y = y; }
+    void SetEndX( int x )                   { m_End.x = x; }
+
+    // Some attributes are read only, since they are "calculated" from
+    // m_Start, m_End, and m_Angle.
+    // No Set...() function for these attributes.
+
+    const wxPoint GetCenter() const;        //override
+    const wxPoint& GetArcStart() const      { return m_End; }
+    const wxPoint GetArcEnd() const;
+
+    /**
+     * function GetArcAngleStart()
+     * @return the angle of the starting point of this arc, between 0 and 3600 in 0.1 deg
+     */
+    double GetArcAngleStart() const;
+
+    /**
+     * Function GetRadius
+     * returns the radius of this item
+     * Has meaning only for arc and circle
+     */
+    int GetRadius() const
+    {
+        double radius = GetLineLength( m_Start, m_End );
+        return KiROUND( radius );
+    }
+
+    /**
+     * Initialize the start arc point. can be used for circles
+     * to initialize one point of the cicumference
+     */
+    void SetArcStart( const wxPoint& aArcStartPoint )
+    { m_End = aArcStartPoint; }
+
+    /** For arcs and circles:
+     */
+    void SetCenter( const wxPoint& aCenterPoint ) { m_Start = aCenterPoint; }
+
+    /**
+     * Function GetParentModule
+     * returns a pointer to the parent module, or NULL if DRAWSEGMENT does not
+     * belong to a module.
+     * @return MODULE* - pointer to the parent module or NULL.
+     */
+    MODULE* GetParentModule() const;
+
+    // Accessors:
+    const std::vector<wxPoint>& GetBezierPoints() const { return m_BezierPoints; }
+    const std::vector<wxPoint>& GetPolyPoints() const   { return m_PolyPoints; }
+    // same accessor, to add/change corners of the polygon
+    std::vector<wxPoint>& GetPolyPoints()               { return m_PolyPoints; }
+
+    void SetBezierPoints( const std::vector<wxPoint>& aPoints )
+    {
+        m_BezierPoints = aPoints;
+    }
+
+    void SetPolyPoints( const std::vector<wxPoint>& aPoints )
+    {
+        m_PolyPoints = aPoints;
+    }
+
+    void Copy( DRAWSEGMENT* source );
+
+    void Draw( EDA_DRAW_PANEL* panel, wxDC* DC,
+               GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset );
+
+    virtual void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
+
+    virtual const EDA_RECT GetBoundingBox() const;
+
+    virtual bool HitTest( const wxPoint& aPosition ) const;
+
+    /** @copydoc BOARD_ITEM::HitTest(const EDA_RECT& aRect,
+     *                               bool aContained = true, int aAccuracy ) const
+     */
+    bool HitTest( const EDA_RECT& aRect, bool aContained = true, int aAccuracy = 0 ) const;
+
+    wxString GetClass() const
+    {
+        return wxT( "DRAWSEGMENT" );
+    }
+
+    /**
+     * Function GetLength
+     * returns the length of the track using the hypotenuse calculation.
+     * @return double - the length of the track
+     */
+    double  GetLength() const
+    {
+        return GetLineLength( GetStart(), GetEnd() );
+    }
+
+    virtual void Move( const wxPoint& aMoveVector )
+    {
+        m_Start += aMoveVector;
+        m_End   += aMoveVector;
+    }
+
+    virtual void Rotate( const wxPoint& aRotCentre, double aAngle );
+
+    virtual void Flip( const wxPoint& aCentre );
+
+    /**
+     * Function TransformShapeWithClearanceToPolygon
+     * Convert the track shape to a closed polygon
+     * Used in filling zones calculations
+     * Circles and arcs are approximated by segments
+     * @param aCornerBuffer = a buffer to store the polygon
+     * @param aClearanceValue = the clearance around the pad
+     * @param aCircleToSegmentsCount = the number of segments to approximate a circle
+     * @param aCorrectionFactor = the correction to apply to circles radius to keep
+     * clearance when the circle is approximated by segment bigger or equal
+     * to the real clearance value (usually near from 1.0)
+     */
+    void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
+                                               int             aClearanceValue,
+                                               int             aCircleToSegmentsCount,
+                                               double          aCorrectionFactor ) const;
+
+    virtual wxString GetSelectMenuText() const;
+
+    virtual BITMAP_DEF GetMenuImage() const { return  add_dashed_line_xpm; }
+
+    virtual EDA_ITEM* Clone() const;
+
+    /// @copydoc VIEW_ITEM::ViewBBox()
+    virtual const BOX2I ViewBBox() const;
+
+#if defined(DEBUG)
+    void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); } // override
+#endif
+};
+
+#endif  // CLASS_DRAWSEGMENT_H_