kicad/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.
*/
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#ifndef CLASS_DRAWSEGMENT_H_
#define CLASS_DRAWSEGMENT_H_
#include <class_board_item.h>
#include <PolyLine.h>
class LINE_READER;
class EDA_DRAW_FRAME;
class MODULE;
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class DRAWSEGMENT : public BOARD_ITEM
{
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protected:
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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
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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
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std::vector<wxPoint> m_BezierPoints;
std::vector<wxPoint> m_PolyPoints;
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public:
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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.
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~DRAWSEGMENT();
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/// skip the linked list stuff, and parent
const DRAWSEGMENT& operator = ( const DRAWSEGMENT& rhs );
DRAWSEGMENT* Next() const { return (DRAWSEGMENT*) Pnext; }
DRAWSEGMENT* Back() const { return (DRAWSEGMENT*) Pback; }
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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
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double GetAngle() const { return m_Angle; }
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void SetType( int aType ) { m_Type = aType; }
int GetType() const { return m_Type; }
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void SetShape( STROKE_T aShape ) { m_Shape = aShape; }
STROKE_T GetShape() const { return m_Shape; }
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void SetBezControl1( const wxPoint& aPoint ) { m_BezierC1 = aPoint; }
const wxPoint& GetBezControl1() const { return m_BezierC1; }
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void SetBezControl2( const wxPoint& aPoint ) { m_BezierC2 = aPoint; }
const wxPoint& GetBezControl2() const { return m_BezierC2; }
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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
*/
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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
*/
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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; }
// Arc attributes are read only, since they are "calculated" from
// m_Start, m_End, and m_Angle. No Set...() functions.
const wxPoint& GetCenter() const { return m_Start; }
const wxPoint& GetArcStart() const { return m_End; }
const wxPoint GetArcEnd() const;
/**
* function GetArcAngleStart()
* @return the angle of the stating point of this arc, between 0 and 3600 in 0.1 deg
*/
const double GetArcAngleStart() const;
/**
* Function GetRadius
* returns the radius of this item
* Has meaning only for arc and circle
*/
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int GetRadius() const
{
double radius = hypot( (double) (m_End.x - m_Start.x), (double) (m_End.y - m_Start.y) );
// Dick Hollenbeck's KiROUND R&D // This provides better project control over rounding to int from double // than wxRound() did. This scheme provides better logging in Debug builds // and it provides for compile time calculation of constants. #include <stdio.h> #include <assert.h> #include <limits.h> //-----<KiROUND KIT>------------------------------------------------------------ /** * KiROUND * rounds a floating point number to an int using * "round halfway cases away from zero". * In Debug build an assert fires if will not fit into an int. */ #if defined( DEBUG ) // DEBUG: a macro to capture line and file, then calls this inline static inline int KiRound( double v, int line, const char* filename ) { v = v < 0 ? v - 0.5 : v + 0.5; if( v > INT_MAX + 0.5 ) { printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v ); } else if( v < INT_MIN - 0.5 ) { printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v ); } return int( v ); } #define KiROUND( v ) KiRound( v, __LINE__, __FILE__ ) #else // RELEASE: a macro so compile can pre-compute constants. #define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 ) #endif //-----</KiROUND KIT>----------------------------------------------------------- // Only a macro is compile time calculated, an inline function causes a static constructor // in a situation like this. // Therefore the Release build is best done with a MACRO not an inline function. int Computed = KiROUND( 14.3 * 8 ); int main( int argc, char** argv ) { for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 ) { int i = KiROUND( d ); printf( "t: %d %.16g\n", i, d ); } return 0; }
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return KiROUND( radius );
}
/**
* 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;
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const std::vector<wxPoint>& GetBezierPoints() const { return m_BezierPoints; };
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const std::vector<wxPoint>& GetPolyPoints() const { return m_PolyPoints; };
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void SetBezierPoints( const std::vector<wxPoint>& aPoints )
{
m_BezierPoints = aPoints;
}
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void SetPolyPoints( const std::vector<wxPoint>& aPoints )
{
m_PolyPoints = aPoints;
}
void Copy( DRAWSEGMENT* source );
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC,
int aDrawMode, const wxPoint& aOffset = ZeroOffset );
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virtual void DisplayInfo( EDA_DRAW_FRAME* frame );
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virtual EDA_RECT GetBoundingBox() const;
virtual bool HitTest( const wxPoint& aPosition );
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virtual bool HitTest( const EDA_RECT& aRect ) const;
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wxString GetClass() const
{
return wxT( "DRAWSEGMENT" );
}
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/**
* Function GetLength
* returns the length of the track using the hypotenuse calculation.
* @return double - the length of the track
*/
double GetLength() const
{
wxPoint delta = GetEnd() - GetStart();
return hypot( double( delta.x ), double( delta.y ) );
}
virtual void Move( const wxPoint& aMoveVector )
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{
m_Start += aMoveVector;
m_End += aMoveVector;
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}
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virtual void Rotate( const wxPoint& aRotCentre, double aAngle );
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virtual void Flip( const wxPoint& aCentre );
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/**
* 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( std::vector <CPolyPt>& aCornerBuffer,
int aClearanceValue,
int aCircleToSegmentsCount,
double aCorrectionFactor );
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const { return add_dashed_line_xpm; }
virtual EDA_ITEM* Clone() const;
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#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const; // overload
#endif
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};
#endif // CLASS_DRAWSEGMENT_H_