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

#include <Bezier.h>

Inheritance diagram for LibBoard::Bezier:

Public Member Functions
	Bezier (const std::vector< Point > &points, const std::vector< Point > &controls, Color penColor=Style::defaultPenColor(), Color fillColor=Style::defaultFillColor(), double lineWidth=Style::defaultLineWidth(), const LineStyle lineStyle=Style::defaultLineStyle(), const LineCap cap=Style::defaultLineCap(), const LineJoin join=Style::defaultLineJoin())
	A cubic bezier curve. More...

	Bezier (const std::vector< Point > &points, const std::vector< Point > &controls, const Style &style)
	A cubic bezier curve. More...

	Bezier (Point p0, Point control0, Point p1, Point control1, Color penColor=Style::defaultPenColor(), Color fillColor=Style::defaultFillColor(), double lineWidth=Style::defaultLineWidth(), const LineStyle lineStyle=Style::defaultLineStyle(), const LineCap cap=Style::defaultLineCap(), const LineJoin join=Style::defaultLineJoin())
	Bezier. More...

	Bezier (Point p0, Point control0, Point p1, Point control1, const Style &style)
	Bezier. More...

	Bezier (double x0, double y0, double xc0, double yc0, double x1, double y1, double xc1, double yc1, Color penColor=Style::defaultPenColor(), Color fillColor=Style::defaultFillColor(), double lineWidth=Style::defaultLineWidth(), const LineStyle lineStyle=Style::defaultLineStyle(), const LineCap cap=Style::defaultLineCap(), const LineJoin join=Style::defaultLineJoin())
	Bezier. More...

	Bezier (double x0, double y0, double xc0, double yc0, double x1, double y1, double xc1, double yc1, const Style &style)
	Bezier. More...

const std::string &	name () const override

Bezier &	rotate (double angle, const Point &center) override
	Rotate the Bezier curve. More...

Bezier	rotated (double angle, const Point &center) const

Bezier &	rotate (double angle) override

Bezier	rotated (double angle) const

Bezier &	translate (double dx, double dy) override

Bezier	translated (double dx, double dy) const

Bezier &	scale (double sx, double sy) override

Bezier &	scale (double s) override

Bezier	scaled (double sx, double sy) const

Bezier	scaled (double s) const

void	scaleAll (double s) override

Bezier	resized (double w, double h, LineWidthFlag lineWidthFlag) const

void	flushPostscript (std::ostream &stream, const TransformEPS &transform) const override

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

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

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

virtual void	accept (ShapeVisitor &visitor) override
	Accepts a visitor object. More...

virtual void	accept (const ShapeVisitor &visitor) override
	Accepts a visitor object. More...

virtual void	accept (ConstShapeVisitor &visitor) const override
	Accepts a const-shape visitor object. More...

virtual void	accept (const ConstShapeVisitor &visitor) const override
	Accepts a const-shape visitor object. More...

virtual Shape *	accept (CompositeShapeTransform &transform) const override
	Accept a composite shape transform. More...

virtual Shape *	accept (const CompositeShapeTransform &transform) const override
	Accept a constant composite shape transform. More...

Rect	boundingBox (LineWidthFlag) const override

Bezier *	clone () const override

const Path &	path () const

const Path &	controls () const

Path	discretizedPath () const

std::vector< Point >	pathThroughLocalExtremums () const

Bezier &	operator+= (const Bezier &other)

Bezier	operator+ (const Bezier &other) const

	Bezier (const Bezier &)=default

	Bezier (Bezier &&)=default

Bezier &	operator= (Bezier &&)=default

Bezier &	operator= (const Bezier &)=default

Point	eval (const Point &p0, const Point &p1, const Point &p2, const Point &p3, double t) const

Point	eval (Path::size_type interval, double t) const

Public Member Functions inherited from LibBoard::ShapeWithStyle
	ShapeWithStyle (Color penColor, Color fillColor, double lineWidth, LineStyle style, const LineCap cap, const LineJoin join)

	ShapeWithStyle (const Style &style)

	ShapeWithStyle (const ShapeWithStyle &other)

ShapeWithStyle &	operator= (const ShapeWithStyle &other)

	~ShapeWithStyle ()

const std::string &	name () const

const Color &	penColor () const

ShapeWithStyle &	setPenColor (const Color &)

const Color &	fillColor () const

ShapeWithStyle &	setFillColor (const Color &)

double	lineWidth () const

ShapeWithStyle &	setLineWidth (double)

LineStyle	lineStyle () const

ShapeWithStyle &	setLineStyle (LineStyle)

LineCap	lineCap () const

ShapeWithStyle &	setLineCap (LineCap)

LineJoin	lineJoin () const

ShapeWithStyle &	setLineJoin (LineJoin)

Style	style () const

ShapeWithStyle &	setStyle (const Style &)

bool	filled () const

Public Member Functions inherited from LibBoard::Shape
	Shape ()

virtual	~Shape ()

virtual Point	center (LineWidthFlag lineWidthFlag=IgnoreLineWidth) const

Shape &	rotateDeg (double angle, const Point &center)

Shape &	rotateDeg (double angle)

Shape &	moveCenter (double x, double y, LineWidthFlag lineWidthFlag=IgnoreLineWidth)

Shape &	moveCenter (Point p, LineWidthFlag lineWidthFlag=IgnoreLineWidth)

Shape &	resize (double width, double height, LineWidthFlag lineWidthFlag)

Shape &	scaleToWidth (double w, LineWidthFlag lineWidthFlag)

Shape &	scaleToHeight (double h, LineWidthFlag lineWidthFlag)

Rect	bbox (LineWidthFlag) const

	Shape (const Shape &other)

Static Public Member Functions
static Bezier	smoothedPolyline (const std::vector< Point > &path, double roundness, const Style &style=Style::defaultStyle())

static Bezier	smoothedPolyline (const Path &path, double roundness, const Style &style=Style::defaultStyle())

static Bezier	interpolation (const Point &y0, const Point &y1, const Point &y2, const Point &y3, const Style &style=Style::defaultStyle())

Static Public Member Functions inherited from LibBoard::ShapeWithStyle
static void	setLineWidthScaling (bool)

Static Public Attributes
static const std::string	_name

Protected Attributes
Path	_path

Path	_controls

Protected Attributes inherited from LibBoard::ShapeWithStyle
Style	_style

Additional Inherited Members
Protected Member Functions inherited from LibBoard::ShapeWithStyle
void	updateLineWidth (double s)

Detailed Description

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

The Bezier structure.

Examples: examples/bezier.cpp.

Constructor & Destructor Documentation

◆ Bezier() [1/6]

LibBoard::Bezier::Bezier	(	const std::vector< Point > &	points,
		const std::vector< Point > &	controls,
		Color	penColor = `Style::defaultPenColor()`,
		Color	fillColor = `Style::defaultFillColor()`,
		double	lineWidth = `Style::defaultLineWidth()`,
		const LineStyle	lineStyle = `Style::defaultLineStyle()`,
		const LineCap	cap = `Style::defaultLineCap()`,
		const LineJoin	join = `Style::defaultLineJoin()`
	)

A cubic bezier curve.

Parameters

points	Points of the bezier curve (n points)
controls	Controls points (2(n-1) points)
penColor
fillColor
lineWidth
lineStyle
cap
join

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

◆ Bezier() [2/6]

LibBoard::Bezier::Bezier	(	const std::vector< Point > &	points,
		const std::vector< Point > &	controls,
		const Style &	style
	)

A cubic bezier curve.

Parameters

points	Points of the bezier curve (n points)
controls	Controls points (2(n-1) points)
style	Shape style.

◆ Bezier() [3/6]

LibBoard::Bezier::Bezier	(	Point	p0,
		Point	control0,
		Point	p1,
		Point	control1,
		Color	penColor = `Style::defaultPenColor()`,
		Color	fillColor = `Style::defaultFillColor()`,
		double	lineWidth = `Style::defaultLineWidth()`,
		const LineStyle	lineStyle = `Style::defaultLineStyle()`,
		const LineCap	cap = `Style::defaultLineCap()`,
		const LineJoin	join = `Style::defaultLineJoin()`
	)

Bezier.

Parameters

p0	Start point
control0	Start control point
p1	End point
control1	End control point
penColor
fillColor
lineWidth
lineStyle
cap
join

◆ Bezier() [4/6]

LibBoard::Bezier::Bezier	(	Point	p0,
		Point	control0,
		Point	p1,
		Point	control1,
		const Style &	style
	)

Bezier.

Parameters

p0	Start point
control0	Start control point
p1	End point
control1	End control point
style	Shape style.

◆ Bezier() [5/6]

LibBoard::Bezier::Bezier	(	double	x0,
		double	y0,
		double	xc0,
		double	yc0,
		double	x1,
		double	y1,
		double	xc1,
		double	yc1,
		Color	penColor = `Style::defaultPenColor()`,
		Color	fillColor = `Style::defaultFillColor()`,
		double	lineWidth = `Style::defaultLineWidth()`,
		const LineStyle	lineStyle = `Style::defaultLineStyle()`,
		const LineCap	cap = `Style::defaultLineCap()`,
		const LineJoin	join = `Style::defaultLineJoin()`
	)

Bezier.

Parameters

x0	Start point (x coordinate)
y0	Start point (y coordinate)
xc0	Start control point (x coordinate)
yc0	Start control point (y coordinate)
x1	End point (x coordinate)
y1	End point (y coordinate)
xc1	End control point (x coordinate)
yc1	End control point (y coordinate)
penColor
fillColor
lineWidth
lineStyle
cap
join

◆ Bezier() [6/6]

LibBoard::Bezier::Bezier	(	double	x0,
		double	y0,
		double	xc0,
		double	yc0,
		double	x1,
		double	y1,
		double	xc1,
		double	yc1,
		const Style &	style
	)

Bezier.

Parameters

x0	Start point (x coordinate)
y0	Start point (y coordinate)
xc0	Start control point (x coordinate)
yc0	Start control point (y coordinate)
x1	End point (x coordinate)
y1	End point (y coordinate)
xc1	End control point (x coordinate)
yc1	End control point (y coordinate)
style	Shape style.

Member Function Documentation

◆ accept() [1/6]

Shape * LibBoard::Bezier::accept ( CompositeShapeTransform & transform ) const

overridevirtual

Accept a composite shape transform.

Parameters

transform A composite shape transform object.

Reimplemented from LibBoard::Shape.

◆ accept() [2/6]

Shape * LibBoard::Bezier::accept ( const CompositeShapeTransform & transform ) const

overridevirtual

Accept a constant composite shape transform.

Parameters

transform A constant composite shape transform object..

Reimplemented from LibBoard::Shape.

◆ accept() [3/6]

void LibBoard::Bezier::accept ( const ConstShapeVisitor & visitor ) const

overridevirtual

Accepts a const-shape visitor object.

Parameters

visitor A const-shape visitor object.

Reimplemented from LibBoard::Shape.

◆ accept() [4/6]

void LibBoard::Bezier::accept ( const ShapeVisitor & visitor )

overridevirtual

Accepts a visitor object.

Parameters

visitor A visitor object.

Reimplemented from LibBoard::Shape.

◆ accept() [5/6]

void LibBoard::Bezier::accept ( ConstShapeVisitor & visitor ) const

overridevirtual

Accepts a const-shape visitor object.

Parameters

visitor A const-shape visitor object.

Reimplemented from LibBoard::Shape.

◆ accept() [6/6]

void LibBoard::Bezier::accept ( ShapeVisitor & visitor )

overridevirtual

Accepts a visitor object.

Parameters

visitor A visitor object.

Reimplemented from LibBoard::Shape.

◆ boundingBox()

Rect LibBoard::Bezier::boundingBox ( LineWidthFlag ) const

overridevirtual

Compute the bounding box of the figure.

Returns: The rectangle of the bounding box.

Implements LibBoard::Shape.

◆ clone()

Bezier * LibBoard::Bezier::clone ( ) const

overridevirtual

Return a copy of the shape.

Returns: A copy of the shape.

Implements LibBoard::ShapeWithStyle.

References Bezier().

◆ flushFIG()

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

overridevirtual

Write 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

Implements LibBoard::Shape.

◆ flushPostscript()

void LibBoard::Bezier::flushPostscript	(	std::ostream &	stream,
		const TransformEPS &	transform
	)		const

overridevirtual

Write the EPS 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.

◆ flushSVG()

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

overridevirtual

Write 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.

◆ flushTikZ()

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

overridevirtual

Write 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.

Implements LibBoard::Shape.

◆ name()

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

overridevirtual

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

Returns

Reimplemented from LibBoard::Shape.

References _name.

◆ resized()

Bezier LibBoard::Bezier::resized	(	double	w,
		double	h,
		LineWidthFlag	lineWidthFlag
	)		const

Returns a resized copy of the Bezier.

Parameters

w	Width of the new Bezier.
h	Height of the new Bezier.
lineWidthFlag	Should the line width be considered when computing bounding boxes.

Returns: A resized copy of the Bezier.

References Bezier().

◆ rotate() [1/2]

Bezier & LibBoard::Bezier::rotate ( double angle )

overridevirtual

Rotate the shape around its center.

Parameters

angle The rotation angle in radian.

Returns: A reference to the shape itself.

Implements LibBoard::Shape.

References LibBoard::Shape::center(), and LibBoard::Path::rotate().

◆ rotate() [2/2]

Bezier & LibBoard::Bezier::rotate	(	double	angle,
		const Point &	center
	)

overridevirtual

Rotate the Bezier curve.

Parameters

angle
center

Returns: The curve itself

Implements LibBoard::Shape.

References LibBoard::Shape::center(), and LibBoard::Path::rotate().

◆ rotated()

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

Parameters

angle

Returns

References Bezier(), and LibBoard::Shape::center().

◆ scale() [1/2]

Bezier & LibBoard::Bezier::scale ( double s )

overridevirtual

Scale the Bezier, given a scaling factor.

Parameters

s	Scaling factor.

Returns: A reference to the Bezier itself, once scaled.

Implements LibBoard::Shape.

References scale().

◆ scale() [2/2]

Bezier & LibBoard::Bezier::scale	(	double	sx,
		double	sy
	)

overridevirtual

Scale the Bezier, given two scaling factors.

Parameters

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

Returns: A reference to the Bezier itself, once scaled.

Implements LibBoard::Shape.

References LibBoard::Path::scale(), and scaled().

Referenced by scale().

◆ scaleAll()

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

overridevirtual

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

Parameters

s	The scaling factor.

Implements LibBoard::Shape.

References LibBoard::Path::scaleAll().

◆ scaled() [1/2]

Bezier LibBoard::Bezier::scaled ( double s ) const

Returns a scaled copy of the line.

Parameters

s	The scaling factor.

Returns: A scaled copy of the line.

References Bezier().

◆ scaled() [2/2]

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

Returns a scaled copy of the line.

Parameters

sx	The scaling factor along the x axis.
sy	The scaling factor along the y axis.

Returns: A scaled copy of the line.

Examples: examples/bezier.cpp.

References Bezier().

Referenced by scale().

◆ translate()

Bezier & LibBoard::Bezier::translate	(	double	dx,
		double	dy
	)

overridevirtual

Translate the Bezier by a given offset.

Parameters

dx	The x offset.
dy	The y offset.

Returns: A reference to the Bezier itself.

Implements LibBoard::Shape.

References LibBoard::Path::translate().

◆ translated()

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

Returns a translated copy of the Bezier.

Parameters

dx	Shift of the first coordinate.
dy	Shift of the second coordinate.

Returns: A copy of the Bezier, translated.

References Bezier().

Member Data Documentation

◆ _name

const std::string LibBoard::Bezier::_name

static

The generic name of the shape.

Referenced by name().

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

include/board/Bezier.h
src/Bezier.cpp

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Bezier() [1/6]

◆ Bezier() [2/6]

◆ Bezier() [3/6]

◆ Bezier() [4/6]

◆ Bezier() [5/6]

◆ Bezier() [6/6]

Member Function Documentation

◆ accept() [1/6]

◆ accept() [2/6]

◆ accept() [3/6]

◆ accept() [4/6]

◆ accept() [5/6]

◆ accept() [6/6]

◆ boundingBox()

◆ clone()

◆ flushFIG()

◆ flushPostscript()

◆ flushSVG()

◆ flushTikZ()

◆ name()

◆ resized()

◆ rotate() [1/2]

◆ rotate() [2/2]

◆ rotated()

◆ scale() [1/2]

◆ scale() [2/2]

◆ scaleAll()

◆ scaled() [1/2]

◆ scaled() [2/2]

◆ translate()

◆ translated()

Member Data Documentation

◆ _name