LibBoard::Rectangle Struct Reference

A rectangle. More...

#include <Board/Shapes.h>

Inheritance diagram for LibBoard::Rectangle:

Public Member Functions
	Rectangle (double x, double y, double width, double height, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle style=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
	Rectangle (const Rect &rect, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle style=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
const std::string &	name () const
double	x () const
double	y () const
double	width ()
double	height ()
Point	topLeft ()
Point	topRight ()
Point	bottomLeft ()
Point	bottomRight ()
Rectangle	rotated (double angle, const Point &center) const
Rectangle	rotated (double angle) const
Rectangle	translated (double dx, double dy) const
Rectangle	scaled (double sx, double sy) const
Rectangle	scaled (double s) const
void	scaleAll (double s)
void	flushFIG (std::ostream &stream, const TransformFIG &transform, std::map< DGtal::Color, int > &colormap) const
void	flushSVG (std::ostream &stream, const TransformSVG &transform) const
void	flushCairo (cairo_t *cr, const TransformCairo &transform) const
void	flushTikZ (std::ostream &stream, const TransformTikZ &transform) const
Rectangle *	clone () const
Public Member Functions inherited from LibBoard::Polyline
	Polyline (const std::vector< Point > &points, bool closed, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle lineStyle=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
	Polyline (const Path &path, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle lineStyle=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
	Polyline (bool closed, DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, const LineStyle lineStyle=SolidStyle, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
Point	center () const
Polyline &	operator<< (const Point &p)
Point &	operator[] (const unsigned int n)
Polyline &	rotate (double angle, const Point &center)
Polyline	rotated (double angle, const Point &center) const
Polyline &	rotate (double angle)
Polyline	rotated (double angle) const
Polyline &	translate (double dx, double dy)
Polyline	translated (double dx, double dy) const
Shape &	scale (double sx, double sy)
Shape &	scale (double s)
Polyline	scaled (double sx, double sy) const
Polyline	scaled (double s) const
void	flushPostscript (std::ostream &stream, const TransformEPS &transform) const
Rect	boundingBox () const
Public Member Functions inherited from LibBoard::Shape
	Shape (DGtal::Color penColor, DGtal::Color fillColor, double lineWidth, LineStyle style, const LineCap cap, const LineJoin join, int depth)
virtual	~Shape ()
bool	filled () const
Shape &	rotateDeg (double angle, const Point &center)
Shape &	rotateDeg (double angle)
Rect	bbox ()
Shape &	operator-- ()
Shape &	operator++ ()
int	depth () const
virtual void	depth (int)
virtual void	shiftDepth (int shift)
const DGtal::Color &	penColor () const
const DGtal::Color &	fillColor () const

Protected Attributes
bool	_isRectangle
Protected Attributes inherited from LibBoard::Polyline
Path	_path
Protected Attributes inherited from LibBoard::Shape
int	_depth
DGtal::Color	_penColor
DGtal::Color	_fillColor
double	_lineWidth
LineStyle	_lineStyle
LineCap	_lineCap
LineJoin	_lineJoin

Static Private Attributes
static const std::string	_name

Additional Inherited Members
Public Types inherited from LibBoard::Shape
enum	LineCap { ButtCap = 0 , RoundCap , SquareCap }
enum	LineJoin { MiterJoin = 0 , RoundJoin , BevelJoin }
enum	LineStyle {   SolidStyle = 0 , DashStyle , DotStyle , DashDotStyle ,   DashDotDotStyle , DashDotDotDotStyle }
Protected Member Functions inherited from LibBoard::Shape
std::string	svgProperties (const TransformSVG &transform) const
std::string	postscriptProperties () const
void	setCairoDashStyle (cairo_t *cr, LineStyle type) const
std::string	tikzProperties (const TransformTikZ &transform) const

Detailed Description

A rectangle.

The rectangle structure.

Definition at line 912 of file Board/Shapes.h.

Constructor & Destructor Documentation

Rectangle() [1/2]

LibBoard::Rectangle::Rectangle ( double  x, double  y, double  width, double  height, DGtal::Color  penColor, DGtal::Color  fillColor, double  lineWidth, const LineStyle  style = SolidStyle, const LineCap  cap = ButtCap, const LineJoin  join = MiterJoin, int  depth = -1  )

inline

Referenced by clone(), rotated(), scaled(), and translated().

Rectangle() [2/2]

LibBoard::Rectangle::Rectangle ( const Rect &  rect, DGtal::Color  penColor, DGtal::Color  fillColor, double  lineWidth, const LineStyle  style = SolidStyle, const LineCap  cap = ButtCap, const LineJoin  join = MiterJoin, int  depth = -1  )

inline

Member Function Documentation

bottomLeft()

Point LibBoard::Rectangle::bottomLeft ( )

inline

Definition at line 943 of file Board/Shapes.h.

{ return Point( _path[3].x, _path[3].y ); }

References LibBoard::Polyline::_path.

bottomRight()

Point LibBoard::Rectangle::bottomRight ( )

inline

Definition at line 944 of file Board/Shapes.h.

{ return Point( _path[2].x, _path[2].y ); }

References LibBoard::Polyline::_path.

clone()

Rectangle * LibBoard::Rectangle::clone ( ) const

virtual

Return a copy of the shape.

Returns

copye of the shape.

Reimplemented from LibBoard::Polyline.

Reimplemented in LibBoard::Image.

Definition at line 1921 of file Shapes.cpp.

                       {
    return new Rectangle(*this);
}

References Rectangle().

flushCairo()

void LibBoard::Rectangle::flushCairo ( cairo_t *  cr, const TransformCairo &  transform  ) const

virtual

Writes the cairo code of the shape in a cairo drawing context according to a transform.

Parameters

cr	The cairo drawing context.
transform	A 2D transform to be applied.

Reimplemented from LibBoard::Polyline.

Reimplemented in LibBoard::Image.

Definition at line 2010 of file Shapes.cpp.

{
    {
        double x1 = _path[1].x - _path[0].x;
        double y1 = _path[1].y - _path[0].y;
        double x2 = _path[3].x - _path[0].x;
        double y2 = _path[3].y - _path[0].y;
        if ( fabs(x1*x2 + y1*y2) > 0.01  ) {
            Polyline::flushCairo( cr, transform );
            return;
        }
    }
    
    cairo_save (cr);
    
      cairo_set_source_rgba (cr, _fillColor.red()/255.0, _fillColor.green()/255.0, _fillColor.blue()/255.0, 1.);
  
      if ( _path[0].y == _path[1].y )
  cairo_rectangle (cr, transform.mapX( _path[0].x ), transform.mapY( _path[0].y ), transform.scale( _path[1].x - _path[0].x ), transform.scale( _path[0].y - _path[3].y ));
      else
      {
  Point v = _path[1] - _path[0];
        v /= v.norm();
        double angle = ( _path[1].y > _path[0].y ) ? acos( v * Point(1,0) ) : -acos( v * Point( 1, 0 ) );
  
  // tr
  cairo_translate (cr, transform.mapX( _path[0].x )+transform.scale( _path[1].x - _path[0].x )/2., transform.mapY( _path[0].y )+transform.scale( _path[0].y - _path[3].y )/2.);
  cairo_rotate (cr, angle);
  // tr
  
  cairo_rectangle (cr, -transform.scale( _path[1].x - _path[0].x )/2., -transform.scale( _path[0].y - _path[3].y )/2., transform.scale( (_path[1] - _path[0]).norm() ), transform.scale( (_path[0] - _path[3]).norm() ));
      }
      
      if ( filled() )
      {
  if ( _penColor != DGtal::Color::None )
    cairo_fill_preserve (cr);
  else
    cairo_fill (cr);
      }
      
      //
      
      if ( _penColor != DGtal::Color::None )
      {
  cairo_set_source_rgba (cr, _penColor.red()/255.0, _penColor.green()/255.0, _penColor.blue()/255.0, 1.);
  
  cairo_set_line_width (cr, _lineWidth);
  cairo_set_line_cap (cr, cairoLineCap[_lineCap]);
  cairo_set_line_join (cr, cairoLineJoin[_lineJoin]);
  setCairoDashStyle (cr, _lineStyle);
 
  cairo_stroke (cr);
      }
    
    cairo_restore (cr);
}

References LibBoard::Shape::_fillColor, LibBoard::Shape::_lineCap, LibBoard::Shape::_lineJoin, LibBoard::Shape::_lineStyle, LibBoard::Shape::_lineWidth, LibBoard::Polyline::_path, LibBoard::Shape::_penColor, DGtal::Color::blue(), LibBoard::Shape::filled(), LibBoard::Polyline::flushCairo(), DGtal::Color::green(), DGtal::Color::None, DGtal::Color::red(), and LibBoard::Shape::setCairoDashStyle().

flushFIG()

void LibBoard::Rectangle::flushFIG ( std::ostream &  stream, const TransformFIG &  transform, std::map< DGtal::Color, int > &  colormap  ) const

virtual

Writes the FIG code of the shape in a stream according to a transform.

Parameters

stream	The output stream.
transform	A 2D transform to be applied.
colormap	A colormap.

Reimplemented from LibBoard::Polyline.

Reimplemented in LibBoard::Image.

Definition at line 1926 of file Shapes.cpp.

{
  if ( _path[0].y != _path[1].y ) {
        Polyline::flushFIG( stream, transform, colormap );
        return;
    }
    if ( _path[0].x != _path[3].x ) {
        Polyline::flushFIG( stream, transform, colormap );
        return;
    }
    {
        double x1 = _path[1].x - _path[0].x;
        double y1 = _path[1].y - _path[0].y;
        double x2 = _path[3].x - _path[0].x;
        double y2 = _path[3].y - _path[0].y;
        if ( fabs(x1*x2 + y1*y2) > 0.01 ) {
            Polyline::flushFIG( stream, transform, colormap );
            return;
        }
    }
 
    stream << "2 2 " << _lineStyle << " ";
    // Thickness
    stream << ( _penColor.valid()?transform.mapWidth( _lineWidth ):0 ) << " ";
    // Pen color
    stream << colormap[ _penColor ] << " ";
    // Fill color
    stream << colormap[ _fillColor ] << " ";
    // Depth
    stream << transform.mapDepth( _depth ) << " ";
    // Pen style
    stream <<  "-1 ";
    // Area fill, style val, join style, cap style, radius, f_arrow, b_arrow, number of points
    if ( filled() )
        stream << "20 " << (_lineStyle?"4.000 ":"0.000 ") << _lineJoin << " " << _lineCap << " -1 0 0 5\n";
    else
        stream << "-1 " << (_lineStyle?"4.000 ":"0.000 ") << _lineJoin << " " << _lineCap << " -1 0 0 5\n";
    stream << "         ";
    _path.flushFIG( stream, transform );
    stream << std::endl;
}

References LibBoard::Shape::_depth, LibBoard::Shape::_fillColor, LibBoard::Shape::_lineCap, LibBoard::Shape::_lineJoin, LibBoard::Shape::_lineStyle, LibBoard::Shape::_lineWidth, LibBoard::Polyline::_path, LibBoard::Shape::_penColor, LibBoard::Shape::filled(), LibBoard::Path::flushFIG(), LibBoard::Polyline::flushFIG(), and DGtal::Color::valid().

flushSVG()

void LibBoard::Rectangle::flushSVG ( std::ostream &  stream, const TransformSVG &  transform  ) const

virtual

Writes the SVG code of the shape in a stream according to a transform.

Parameters

stream	The output stream.
transform	A 2D transform to be applied.

Reimplemented from LibBoard::Polyline.

Reimplemented in LibBoard::Image.

Definition at line 1971 of file Shapes.cpp.

{
    {
        double x1 = _path[1].x - _path[0].x;
        double y1 = _path[1].y - _path[0].y;
        double x2 = _path[3].x - _path[0].x;
        double y2 = _path[3].y - _path[0].y;
        if ( fabs(x1*x2 + y1*y2) > 0.01  ) {
            Polyline::flushSVG( stream, transform );
            return;
        }
    }
 
    if ( _path[0].y == _path[1].y ) {
        stream << "<rect x=\"" << transform.mapX( _path[0].x ) << '"'
        << " y=\"" << transform.mapY( _path[0].y )  << '"'
        << " width=\"" << transform.scale( _path[1].x - _path[0].x ) << '"'
        << " height=\"" << transform.scale( _path[0].y - _path[3].y ) << '"'
        << svgProperties( transform )
        << " />" << std::endl;
    } else {
        Point v = _path[1] - _path[0];
        v /= v.norm();
        double angle = ( _path[1].y > _path[0].y ) ? acos( v * Point(1,0) ) : -acos( v * Point( 1, 0 ) );
        angle = ( angle * 180 ) / M_PI;
        stream << "<rect x=\"" << transform.mapX( _path[0].x ) << '"'
        << " y=\"" << transform.mapY( _path[0].y )  << '"'
        << " width=\"" << transform.scale( (_path[1] - _path[0]).norm() ) << '"'
        << " height=\"" << transform.scale( (_path[0] - _path[3]).norm() ) << '"'
        << svgProperties( transform ) << ' '
        << " transform=\"rotate(" << -angle << ", "
        << transform.mapX( _path[0].x ) << ", " << transform.mapY( _path[0].y ) << ") \" "
        << " />" << std::endl;
    }
}

References LibBoard::Polyline::_path, LibBoard::Polyline::flushSVG(), and LibBoard::Shape::svgProperties().

flushTikZ()

void LibBoard::Rectangle::flushTikZ ( std::ostream &  stream, const TransformTikZ &  transform  ) const

virtual

Writes the TikZ code of the shape in a stream according to a transform.

Parameters

stream	The output stream.
transform	A 2D transform to be applied.

Reimplemented from LibBoard::Polyline.

Reimplemented in LibBoard::Image.

Definition at line 2071 of file Shapes.cpp.

{
    Polyline::flushTikZ( stream, transform );
    return;
 
    stream << "\\path[" << tikzProperties(transform) << "] ("
      << _path[0].x << ',' << _path[0].y << ')'
      << " rectangle (" << _path[1].x << ',' << _path[3].y << "); ";
}

References LibBoard::Polyline::_path, LibBoard::Polyline::flushTikZ(), and LibBoard::Shape::tikzProperties().

height()

double LibBoard::Rectangle::height ( )

inline

Definition at line 940 of file Board/Shapes.h.

{ return (_path[0] - _path[3]).norm(); }

References LibBoard::Polyline::_path.

name()

const std::string & LibBoard::Rectangle::name ( ) const

virtual

Returns the generic name of the shape (e.g., Circle, Rectangle, etc.)

Returns

object name

Reimplemented from LibBoard::Polyline.

Reimplemented in LibBoard::Image.

Definition at line 1879 of file Shapes.cpp.

{
    return _name;
}

References _name.

rotated() [1/2]

Rectangle LibBoard::Rectangle::rotated

(

double

angle

)

const

Returns a copy of the arrow, rotated around its center.

Parameters

angle

The angle of rotation.

Returns

A copy of the lines, rotated around its center by the given angle.

Definition at line 1891 of file Shapes.cpp.

{
    return static_cast<Rectangle &>( Rectangle(*this).rotate( angle, center() ) );
}

References LibBoard::Polyline::center(), and Rectangle().

rotated() [2/2]

Rectangle LibBoard::Rectangle::rotated	(	double	angle,
		const Point &	center
	)		const

Returns a copy of the arrow, rotated around a given rotation center.

Parameters

angle	The rotation angle.
center	The center of rotation.

Returns

The rotated copy of the line.

Definition at line 1885 of file Shapes.cpp.

{
    return static_cast<Rectangle &>( Rectangle(*this).rotate( angle, rotCenter ) );
}

References Rectangle().

scaleAll()

void LibBoard::Rectangle::scaleAll ( double  s )

virtual

Scales all the values (positions, dimensions, etc.) associated with the shape.

Parameters

s	The scaling factor.

Reimplemented from LibBoard::Polyline.

Definition at line 1915 of file Shapes.cpp.

{
    _path.scaleAll( s );
}

References LibBoard::Polyline::_path, and LibBoard::Path::scaleAll().

scaled() [1/2]

Rectangle LibBoard::Rectangle::scaled

(

double

s

)

const

Definition at line 1909 of file Shapes.cpp.

{
    return static_cast<Rectangle &>( Rectangle(*this).scale( s, s ) );
}

References Rectangle().

scaled() [2/2]

Rectangle LibBoard::Rectangle::scaled	(	double	sx,
		double	sy
	)		const

Returns a scaled copy of the arrow.

Parameters

sx	Scale factor along the x axis.
sy	Scale factor along the y axis.

Returns

A scaled copy of the arrow.

Definition at line 1903 of file Shapes.cpp.

{
    return static_cast<Rectangle &>( Rectangle(*this).scale( sx, sy ) );
}

References Rectangle().

topLeft()

Point LibBoard::Rectangle::topLeft ( )

inline

Definition at line 941 of file Board/Shapes.h.

{ return Point( _path[0].x, _path[0].y ); }

References LibBoard::Polyline::_path.

topRight()

Point LibBoard::Rectangle::topRight ( )

inline

Definition at line 942 of file Board/Shapes.h.

{ return Point( _path[1].x, _path[1].y ); }

References LibBoard::Polyline::_path.

translated()

Rectangle LibBoard::Rectangle::translated	(	double	dx,
		double	dy
	)		const

Returns a translated copy of the arrow.

Parameters

dx	The shift along the x axis.
dy	The shift along the y axis.

Returns

A translated copy of the line.

Definition at line 1897 of file Shapes.cpp.

{
    return static_cast<Rectangle &>( Rectangle(*this).translate( dx, dy ) );
}

References Rectangle().

width()

double LibBoard::Rectangle::width ( )

inline

Definition at line 939 of file Board/Shapes.h.

{ return (_path[1] - _path[0]).norm(); }

References LibBoard::Polyline::_path.

x()

double LibBoard::Rectangle::x ( ) const

inline

Definition at line 937 of file Board/Shapes.h.

{ return _path[0].x; }

References LibBoard::Polyline::_path.

y()

double LibBoard::Rectangle::y ( ) const

inline

Definition at line 938 of file Board/Shapes.h.

{ return _path[0].y; }

References LibBoard::Polyline::_path.

Field Documentation

_isRectangle

bool LibBoard::Rectangle::_isRectangle

protected

Definition at line 1017 of file Board/Shapes.h.

_name

const std::string LibBoard::Rectangle::_name

staticprivate

The generic name of the shape.

Definition at line 1014 of file Board/Shapes.h.

Referenced by name().

---

The documentation for this struct was generated from the following files:

• Board/Shapes.h
• Shapes.cpp