LibBoard::Polyline Struct Reference

A polygonal line described by a series of 2D points. More...

#include <Shapes.h>

Inheritance diagram for LibBoard::Polyline:

LibBoard::Shape LibBoard::GouraudTriangle LibBoard::Rectangle LibBoard::Triangle

List of all members.

Public Member Functions

 Polyline (const std::vector< Point > &points, bool closed, Color penColor, Color fillColor, float lineWidth, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
 Polyline (bool closed, Color penColor, Color fillColor, float lineWidth, const LineCap cap=ButtCap, const LineJoin join=MiterJoin, int depth=-1)
const std::string & name () const
Point center () const
Polylineoperator<< (const Point &p)
Pointoperator[] (const unsigned int n)
Shaperotate (double angle, const Point &center)
Polyline rotated (double angle, const Point &center) const
Shaperotate (double angle)
Polyline rotated (double angle) const
Shapetranslate (double dx, double dy)
Polyline translated (double dx, double dy) const
Shapescale (double sx, double sy)
Shapescale (double s)
Polyline scaled (double sx, double sy) const
Polyline scaled (double s) const
void scaleAll (double s)
void flushPostscript (std::ostream &stream, const TransformEPS &transform) const
void flushFIG (std::ostream &stream, const TransformFIG &transform, std::map< Color, int > &colormap) const
void flushSVG (std::ostream &stream, const TransformSVG &transform) const
Rect boundingBox () const
Shapeclone () const

Protected Attributes

std::vector< Point_points
bool _closed


Detailed Description

A polygonal line described by a series of 2D points.

The polyline structure.


Member Function Documentation

const std::string & LibBoard::Polyline::name (  )  const [virtual]

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

Returns:

Reimplemented from LibBoard::Shape.

Reimplemented in LibBoard::Rectangle, LibBoard::Triangle, and LibBoard::GouraudTriangle.

Point LibBoard::Polyline::center (  )  const [virtual]

Returns the gravity center of the shape.

Returns:
The center of the shape.

Implements LibBoard::Shape.

Reimplemented in LibBoard::GouraudTriangle.

Referenced by rotate(), LibBoard::Rectangle::rotated(), rotated(), scale(), and scaled().

Polyline & LibBoard::Polyline::operator<< ( const Point p  ) 

Add a point to the polyline.

Parameters:
p 
Returns:

Point& LibBoard::Polyline::operator[] ( const unsigned int  n  )  [inline]

Returns the n-th point of the polyline.

Parameters:
i 
Returns:

Shape & LibBoard::Polyline::rotate ( double  angle,
const Point center 
) [virtual]

Rotate the shape around a given center of rotation.

Parameters:
angle The rotation angle in radian.
center The center of rotation.
Returns:
A reference to the shape itself.

Implements LibBoard::Shape.

Reimplemented in LibBoard::GouraudTriangle.

Referenced by rotate(), LibBoard::Rectangle::rotated(), and rotated().

Polyline LibBoard::Polyline::rotated ( double  angle,
const Point center 
) const

Parameters:
angle 
center 
Returns:

Reimplemented in LibBoard::Rectangle, and LibBoard::GouraudTriangle.

References _points.

Shape & LibBoard::Polyline::rotate ( double  angle  )  [virtual]

Rotate the shape around its center.

Parameters:
angle The rotation angle in radian.
Returns:
A reference to the shape itself.

Implements LibBoard::Shape.

Reimplemented in LibBoard::GouraudTriangle.

References center(), and rotate().

Polyline LibBoard::Polyline::rotated ( double  angle  )  const

Parameters:
angle 
Returns:

Reimplemented in LibBoard::Rectangle, LibBoard::Triangle, and LibBoard::GouraudTriangle.

References center(), and rotate().

Shape & LibBoard::Polyline::translate ( double  dx,
double  dy 
) [virtual]

Translate the shape by a given offset.

Parameters:
dx The x offset.
dy The y offset.
Returns:
A reference to the shape itself.

Implements LibBoard::Shape.

Referenced by scale(), scaled(), LibBoard::GouraudTriangle::translated(), and LibBoard::Rectangle::translated().

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

Parameters:
dx 
dy 
Returns:

Reimplemented in LibBoard::Rectangle, LibBoard::Triangle, and LibBoard::GouraudTriangle.

References _points.

Shape & LibBoard::Polyline::scale ( double  sx,
double  sy 
) [virtual]

Scale the shape along the x an y axis.

Parameters:
sx The scale factor along the x axis.
sy The scale factor along the y axis.
Returns:
The shape itself.

Implements LibBoard::Shape.

References center(), translate(), LibBoard::Point::x, and LibBoard::Point::y.

Referenced by scale(), LibBoard::GouraudTriangle::scaled(), and LibBoard::Rectangle::scaled().

Shape & LibBoard::Polyline::scale ( double  s  )  [virtual]

Scale the shape along both axis.

Parameters:
s The scale factor along both axis.
Returns:
The shape itself.

Implements LibBoard::Shape.

References scale().

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

Parameters:
sx 
sy 
Returns:

Reimplemented in LibBoard::Rectangle, LibBoard::Triangle, and LibBoard::GouraudTriangle.

References _points, center(), translate(), LibBoard::Point::x, and LibBoard::Point::y.

void LibBoard::Polyline::scaleAll ( double  s  )  [virtual]

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

Parameters:
s The scaling factor.

Implements LibBoard::Shape.

Reimplemented in LibBoard::Rectangle, and LibBoard::GouraudTriangle.

void LibBoard::Polyline::flushPostscript ( std::ostream &  stream,
const TransformEPS transform 
) const [virtual]

void LibBoard::Polyline::flushFIG ( std::ostream &  stream,
const TransformFIG transform,
std::map< Color, int > &  colormap 
) const [virtual]

void LibBoard::Polyline::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.

Implements LibBoard::Shape.

Reimplemented in LibBoard::Rectangle, and LibBoard::GouraudTriangle.

References LibBoard::Transform::mapX(), LibBoard::TransformSVG::mapY(), and LibBoard::Shape::svgProperties().

Referenced by LibBoard::GouraudTriangle::flushSVG(), and LibBoard::Rectangle::flushSVG().

Rect LibBoard::Polyline::boundingBox (  )  const [virtual]

Returns the bounding box of the figure.

Returns:
The rectangle of the bounding box.

Implements LibBoard::Shape.

References LibBoard::Rect::height, LibBoard::Rect::left, LibBoard::Rect::top, and LibBoard::Rect::width.

Shape * LibBoard::Polyline::clone (  )  const [virtual]

Return a copy of the shape.

Returns:

Implements LibBoard::Shape.

Reimplemented in LibBoard::Rectangle, LibBoard::Triangle, and LibBoard::GouraudTriangle.


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

Generated on Mon Jan 19 09:48:19 2009 for Board by  doxygen 1.5.6