kicad/pcbnew/pcb_shape.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 Jean-Pierre Charras jp.charras at wanadoo.fr
* Copyright (C) 1992-2018 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
*/
#ifndef PCB_SHAPE_H
#define PCB_SHAPE_H
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#include <board_item.h>
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#include <eda_units.h>
#include <convert_to_biu.h>
#include <math/util.h> // for KiROUND
#include <math_for_graphics.h>
#include <trigo.h>
#include <geometry/shape_poly_set.h>
class LINE_READER;
class EDA_DRAW_FRAME;
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class FOOTPRINT;
class MSG_PANEL_ITEM;
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class PCB_SHAPE : 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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bool m_filled; // Pretty much what it says on the tin...
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wxPoint m_start; // Line start point or Circle and Arc center
wxPoint m_end; // Line end point or circle and arc start point
wxPoint m_thirdPoint; // Used only for Arcs: arc end point
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PCB_SHAPE_TYPE_T m_shape; // Shape: line, Circle, Arc
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;
SHAPE_POLY_SET m_poly; // Stores the S_POLYGON shape
// Computes the bounding box for an arc
void computeArcBBox( EDA_RECT& aBBox ) const;
const std::vector<wxPoint> buildBezierToSegmentsPointsList( int aMinSegLen ) const;
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public:
PCB_SHAPE( BOARD_ITEM* aParent = NULL, KICAD_T idtype = PCB_SHAPE_T );
// Do not create a copy constructor & operator=.
// The ones generated by the compiler are adequate.
~PCB_SHAPE();
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static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && PCB_SHAPE_T == aItem->Type();
}
bool IsType( const KICAD_T aScanTypes[] ) const override
{
if( BOARD_ITEM::IsType( aScanTypes ) )
return true;
for( const KICAD_T* p = aScanTypes; *p != EOT; ++p )
{
if( *p == PCB_LOCATE_GRAPHIC_T )
return true;
else if( *p == PCB_LOCATE_BOARD_EDGE_T )
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return m_layer == Edge_Cuts;
}
return false;
}
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void SetFilled( bool aFlag ) { m_filled = aFlag; }
bool IsFilled() const
{
switch( m_shape )
{
case S_RECT:
case S_CIRCLE:
case S_POLYGON:
return m_filled;
case S_SEGMENT:
case S_ARC:
case S_CURVE:
return false;
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case S_LAST: // Make CLang compiler happy
return false;
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}
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return false; // Make GCC compiler happy
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}
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void SetWidth( int aWidth ) { m_width = aWidth; }
int GetWidth() const { return m_width; }
/**
* 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.
* @param aUpdateEnd = true to update also arc end coordinates m_thirdPoint,
* so must be called after setting m_Start and m_End
*/
virtual void SetAngle( double aAngle, bool aUpdateEnd = true );
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double GetAngle() const { return m_angle; }
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void SetShape( PCB_SHAPE_TYPE_T aShape ) { m_shape = aShape; }
PCB_SHAPE_TYPE_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 ) override;
wxPoint GetPosition() const override;
/**
* Function GetStart
* returns the starting point of the graphic
*/
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const wxPoint& GetStart() const { return m_start; }
int GetStartY() { return m_start.y; }
int GetStartX() { return m_start.x; }
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; }
int GetEndY() { return m_end.y; }
int GetEndX() { return m_end.x; }
void SetEnd( const wxPoint& aEnd ) { m_end = aEnd; }
void SetEndY( int y ) { m_end.y = y; }
void SetEndX( int x ) { m_end.x = x; }
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/**
* Function GetThirdPoint
* returns the third point point of the graphic
*/
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const wxPoint& GetThirdPoint() const { return m_thirdPoint; }
int GetThirdPointY() { return m_thirdPoint.y; }
int GetThirdPointX() { return m_thirdPoint.x; }
void SetThirdPoint( const wxPoint& aPoint ) { m_thirdPoint = aPoint; }
void SetThirdPointY( int y ) { m_thirdPoint.y = y; }
void SetThirdPointX( int x ) { m_thirdPoint.x = x; }
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// Some attributes are read only, since they are "calculated" from
// m_Start, m_End, and m_Angle.
// No Set...() function for these attributes.
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wxPoint GetCenter() const override;
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wxPoint GetArcStart() const { return m_end; }
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wxPoint GetArcEnd() const;
wxPoint GetArcMid() const;
std::vector<wxPoint> GetRectCorners() const;
/**
* function GetArcAngleStart()
* @return the angle of the starting point of this arc, between 0 and 3600 in 0.1 deg
*/
double GetArcAngleStart() const;
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/**
* function GetArcAngleEnd()
* @return the angle of the ending point of this arc, between 0 and 3600 in 0.1 deg
*/
double GetArcAngleEnd() const;
/**
* Function GetRadius
* returns the radius of this item
* Has meaning only for arc and circle
*/
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int GetRadius() const
{
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double radius = GetLineLength( m_start, m_end );
// don't allow degenerate arcs
return std::max( 1, KiROUND( radius ) );
}
/**
* Initialize the start arc point. can be used for circles
* to initialize one point of the cicumference
*/
void SetArcStart( const wxPoint& aArcStartPoint )
{
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m_end = aArcStartPoint;
}
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/**
* Initialize the end arc point. can be used for circles
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* to initialize one point of the cicumference
*/
void SetArcEnd( const wxPoint& aArcEndPoint )
{
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m_thirdPoint = aArcEndPoint;
}
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/** For arcs and circles:
*/
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void SetCenter( const wxPoint& aCenterPoint ) { m_start = aCenterPoint; }
/**
* Set the three controlling points for an arc.
*
* NB: these are NOT what's currently stored, so we have to do some calculations behind
* the scenes. However, they are what SHOULD be stored.
*/
void SetArcGeometry( const wxPoint& aStart, const wxPoint& aMid, const wxPoint& aEnd );
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const wxPoint GetFocusPosition() const override
{
return GetCenter();
}
/**
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* Function GetParentFootprint
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* returns a pointer to the parent footprint, or NULL if PCB_SHAPE does not
* belong to a footprint.
* @return FOOTPRINT* - pointer to the parent footprint or NULL.
*/
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FOOTPRINT* GetParentFootprint() const;
// Accessors:
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const std::vector<wxPoint>& GetBezierPoints() const { return m_bezierPoints; }
/** Build and return the list of corners in a std::vector<wxPoint>
* It must be used only to convert the SHAPE_POLY_SET internal corner buffer
* to a list of wxPoints, and nothing else, because it duplicates the buffer,
* that is inefficient to know for instance the corner count
*/
const std::vector<wxPoint> BuildPolyPointsList() const;
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/**
* @return the number of corners of the polygonal shape
*/
int GetPointCount() const;
// Accessors to the polygonal shape
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SHAPE_POLY_SET& GetPolyShape() { return m_poly; }
const SHAPE_POLY_SET& GetPolyShape() const { return m_poly; }
/**
* @return true if the polygonal shape is valid (has more than 2 points)
*/
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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m_bezierPoints = aPoints;
}
/** Rebuild the m_BezierPoints vertex list that approximate the Bezier curve
* by a list of segments
* Has meaning only for S_CURVE DRAW_SEGMENT shape
* @param aMinSegLen is the min length of segments approximating the shape.
* the last segment can be shorter
* This param avoid having too many very short segment in list.
* a good value is m_Width/2 to m_Width
*/
void RebuildBezierToSegmentsPointsList( int aMinSegLen );
void SetPolyPoints( const std::vector<wxPoint>& aPoints );
/**
* Makes a set of SHAPE objects representing the PCB_SHAPE. Caller owns the objects.
*/
std::vector<SHAPE*> MakeEffectiveShapes() const; // fixme: move to shape_compound
std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER ) const override;
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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const EDA_RECT GetBoundingBox() const override;
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
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wxString GetClass() const override
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{
return wxT( "PCB_SHAPE" );
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}
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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;
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, bool aFlipLeftRight ) override;
void Scale( double aScale );
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/**
* Function TransformShapeWithClearanceToPolygon
* Convert the draw segment 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 aError = the maximum deviation from a true arc
* @param ignoreLineWidth = used for edge cut items where the line width is only
* for visualization
*/
void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
PCB_LAYER_ID aLayer, int aClearanceValue,
int aError, ERROR_LOC aErrorLoc,
bool ignoreLineWidth = false ) const override;
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virtual wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
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;
virtual void SwapData( BOARD_ITEM* aImage ) override;
struct cmp_drawings
{
bool operator()( const BOARD_ITEM* aFirst, const BOARD_ITEM* aSecond ) const;
};
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
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};
#endif // PCB_SHAPE_H