A Bezier curve described by two series of 2D points (curve points and control 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 Bezier curve described by two series of 2D points (curve points and control points).

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

	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())
	A bezier curve defined by its two extremities and two control points.

	Bezier (Point p0, Point control0, Point p1, Point control1, const Style &style)
	A bezier curve defined by its two extremities and two control points.

	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())
	A bezier curve defined by its two extremities and two control points.

	Bezier (double x0, double y0, double xc0, double yc0, double x1, double y1, double xc1, double yc1, const Style &style)
	A bezier curve defined by its two extremities and two control points.

const std::string &	name () const override

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

Bezier	rotated (double angle, const Point &center) const
	Rotated copy of the curve.

Bezier &	rotate (double angle) override
	Rotate the Bezier curve around its bounding box center.

Bezier	rotated (double angle) const
	Return a rotated copy of the curve around its bounding box center.

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.

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

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

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

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

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

Rect	boundingBox (LineWidthFlag) const override
	Return the bounding box of the curve.

Bezier *	clone () const override
	Return a copy of the curve.

const Path &	path () const
	The series of points defining the curve, as a path.

const Path &	controls () const
	The series of control points points defining the curve, as a path.

Path	discretizedPath () const
	A sequence of properly spaced points approximating the curve.

std::vector< Point >	pathThroughLocalExtremums () const
	A path through local extremums.

Bezier &	operator+= (const Bezier &other)
	Add points and crontrol points of another curve.

Bezier	operator+ (const Bezier &other) const
	Concatenate two Bezier curves.

Point	eval (Path::size_type interval, double t) const
	Get a point of the curve given its interval between two curve points and a position in [0..1].

	Bezier (const Bezier &)=default

	Bezier (Bezier &&)=default

Bezier &	operator= (Bezier &&)=default

Bezier &	operator= (const Bezier &)=default

	~Bezier () override=default

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

Shape *	clone () const =0

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 const std::string &	name () const

virtual Shape *	clone () const =0

virtual Point	center (LineWidthFlag lineWidthFlag=IgnoreLineWidth) const

virtual Shape &	rotate (double angle, const Point &center)=0

virtual Shape &	rotate (double angle)=0

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

Shape &	rotateDeg (double angle)

virtual Shape &	translate (double dx, double dy)=0

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

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

virtual Shape &	scale (double sx, double sy)=0

virtual Shape &	scale (double s)=0

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

Shape &	scaleToWidth (double w, LineWidthFlag lineWidthFlag)

Shape &	scaleToHeight (double h, LineWidthFlag lineWidthFlag)

virtual Rect	boundingBox (LineWidthFlag) const =0

Rect	bbox (LineWidthFlag) const

virtual void	scaleAll (double s)=0

virtual void	flushPostscript (std::ostream &stream, const TransformEPS &transform) const =0

virtual void	flushFIG (std::ostream &stream, const TransformFIG &transform, std::map< Color, int > &colormap) const =0

virtual void	flushSVG (std::ostream &stream, const TransformSVG &transform) const =0

virtual void	flushTikZ (std::ostream &stream, const TransformTikZ &transform) const =0

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

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

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

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

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

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

	Shape (const Shape &other)

Static Public Member Functions
static Bezier	smoothedPolyline (const std::vector< Point > &path, double roundness, const Style &style=Style::defaultStyle())
	Build a Bezier curve as a 'rounded' version of a Polyline.

static Bezier	smoothedPolyline (const Path &path, double roundness, const Style &style=Style::defaultStyle())
	Build a Bezier curve as a 'rounded' version of a Polyline.

static Bezier	interpolation (const Point &a, const Point &b, const Point &c, const Point &d, const Style &style=Style::defaultStyle())
	Bezier interpolation passing through 4 points.

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

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 Bezier curve described by two series of 2D points (curve points and control points).

The Bezier structure.

Examples: examples/bezier.cpp, and examples/rough.cpp.

Constructor & Destructor Documentation

◆ Bezier() [1/8]

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 Bezier curve described by two series of 2D points (curve points and control points).

Parameters

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

◆ Bezier() [2/8]

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() [3/8]

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()`
	)

A bezier curve defined by its two extremities and two control points.

Parameters

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

References _controls, and _path.

◆ Bezier() [4/8]

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

A bezier curve defined by its two extremities and two control points.

Parameters

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

References _controls, and _path.

◆ Bezier() [5/8]

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()`
	)

A bezier curve defined by its two extremities and two control points.

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

References _controls, and _path.

◆ Bezier() [6/8]

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

A bezier curve defined by its two extremities and two control points.

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.

References _controls, and _path.

◆ Bezier() [7/8]

LibBoard::Bezier::Bezier ( const Bezier & )

default

◆ Bezier() [8/8]

LibBoard::Bezier::Bezier ( Bezier && )

default

◆ ~Bezier()

LibBoard::Bezier::~Bezier ( )

overridedefault

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.

References LibBoard::CompositeShapeTransform::map().

◆ 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.

References LibBoard::CompositeShapeTransform::map().

◆ 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.

References LibBoard::ConstShapeVisitor::visit().

◆ accept() [4/6]

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

overridevirtual

Accepts a visitor object.

Parameters

visitor A visitor object.

Reimplemented from LibBoard::Shape.

References LibBoard::ShapeVisitor::visit().

◆ 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.

References LibBoard::ConstShapeVisitor::visit().

◆ accept() [6/6]

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

overridevirtual

Accepts a visitor object.

Parameters

visitor A visitor object.

Reimplemented from LibBoard::Shape.

References LibBoard::ShapeVisitor::visit().

◆ boundingBox()

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

overridevirtual

Return the bounding box of the curve.

Returns: The bounding box of the curve.

Implements LibBoard::Shape.

Examples: examples/bezier.cpp.

References _path, LibBoard::Path::boundingBox(), LibBoard::IgnoreLineWidth, LibBoard::ShapeWithStyle::lineCap(), LibBoard::ShapeWithStyle::lineWidth(), LSHOW, LibBoard::Path::Open, path(), LibBoard::Tools::pathBoundingBox(), pathThroughLocalExtremums(), LibBoard::Path::points(), LibBoard::RoundJoin, and LibBoard::UseLineWidth.

Referenced by main().

◆ clone()

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

overridevirtual

Return a copy of the curve.

Returns: a copy of the curve.

Implements LibBoard::ShapeWithStyle.

Referenced by LibBoard::RoughVisitor::map(), LibBoard::RoughVisitor::map(), and LibBoard::RoughVisitor::map().

◆ controls()

const Path & LibBoard::Bezier::controls ( ) const

inline

The series of control points points defining the curve, as a path.

Returns: The series of control points points defining the curve, as a path.

References _controls.

Referenced by LibBoard::bezierControls(), interpolation(), LibBoard::RoughVisitor::map(), operator+=(), scale(), smoothedPolyline(), and smoothedPolyline().

◆ discretizedPath()

Path LibBoard::Bezier::discretizedPath ( ) const

A sequence of properly spaced points approximating the curve.

Returns: A path of properly spaced points approximating the curve.

Examples: examples/bezier.cpp.

References _controls, _path, path(), and LibBoard::Path::points().

Referenced by main().

◆ eval()

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

Get a point of the curve given its interval between two curve points and a position in [0..1].

Parameters

interval	Position of the preceding curve point.
t	Time position within the interval, in [0..1].

Returns

References _controls, _path, and LibBoard::Path::size().

Referenced by pathThroughLocalExtremums().

◆ 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.

References LibBoard::Tools::unused(), and LibBoard::Tools::warning.

◆ 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.

References _controls, _path, LibBoard::ShapeWithStyle::_style, LibBoard::Path::empty(), LibBoard::Tools::error, LibBoard::ShapeWithStyle::fillColor(), LibBoard::ShapeWithStyle::filled(), LibBoard::Color::flushPostscript(), LibBoard::ShapeWithStyle::lineWidth(), LibBoard::Transform::mapX(), LibBoard::TransformEPS::mapY(), LibBoard::Color::Null, LibBoard::ShapeWithStyle::penColor(), LibBoard::Path::points(), LibBoard::Style::postscriptProperties(), and LibBoard::Path::size().

◆ 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.

References _controls, _path, LibBoard::ShapeWithStyle::_style, LibBoard::Path::empty(), LibBoard::Tools::error, LibBoard::Transform::mapX(), LibBoard::TransformSVG::mapY(), LibBoard::Path::points(), LibBoard::Path::size(), and LibBoard::Style::svgProperties().

◆ 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.

References LibBoard::Tools::unused(), and LibBoard::Tools::warning.

◆ interpolation()

Bezier LibBoard::Bezier::interpolation	(	const Point &	a,
		const Point &	b,
		const Point &	c,
		const Point &	d,
		const Style &	style = `Style::defaultStyle()`
	)

static

Bezier interpolation passing through 4 points.

Parameters

a
b
c
d
style

Returns: A Bezier interpolation passing through the 4 points a, b, c, d

References controls(), and LibBoard::ShapeWithStyle::style().

Referenced by main(), LibBoard::RoughVisitor::map(), LibBoard::RoughVisitor::map(), and LibBoard::RoughVisitor::map().

◆ name()

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

overridevirtual

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

Returns: The generic name of the shape

Reimplemented from LibBoard::Shape.

◆ operator+()

Bezier LibBoard::Bezier::operator+ ( const Bezier & other ) const

Concatenate two Bezier curves.

Parameters

other A Bezier curve.

Returns: A new Bezier curve, concatenation of this curve with other.

◆ operator+=()

Bezier & LibBoard::Bezier::operator+= ( const Bezier & other )

Add points and crontrol points of another curve.

Parameters

other A Bezier curve.

Returns: This Bezier curve, appended.

References _controls, _path, LibBoard::Path::back(), controls(), LibBoard::Path::front(), LibBoard::Point::norm(), LibBoard::Point::normalised(), path(), LibBoard::Path::points(), and LibBoard::Path::push_back().

◆ operator=() [1/2]

Bezier & LibBoard::Bezier::operator= ( Bezier && )

default

◆ operator=() [2/2]

Bezier & LibBoard::Bezier::operator= ( const Bezier & )

default

◆ path()

const Path & LibBoard::Bezier::path ( ) const

inline

The series of points defining the curve, as a path.

Returns: The series of points defining the curve, as a path.

References _path.

Referenced by LibBoard::bezierControls(), boundingBox(), discretizedPath(), LibBoard::RoughVisitor::map(), operator+=(), smoothedPolyline(), and smoothedPolyline().

◆ pathThroughLocalExtremums()

std::vector< Point > LibBoard::Bezier::pathThroughLocalExtremums ( ) const

A path through local extremums.

Returns: A path through local extremums.

Examples: examples/bezier.cpp.

References _controls, _path, LibBoard::Tools::almostEqual(), LibBoard::Path::back(), eval(), LibBoard::Path::points(), LibBoard::Tools::solveQuadratic(), LibBoard::Point::x, and LibBoard::Point::y.

Referenced by boundingBox(), and main().

◆ 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 LibBoard::Shape::resize().

◆ rotate() [1/2]

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

overridevirtual

Rotate the Bezier curve around its bounding box center.

Parameters

angle The rotation angle.

Returns: The curve itself.

Implements LibBoard::Shape.

References _controls, _path, 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	The rotation angle.
center	Center of the rotation.

Returns: The curve itself.

Implements LibBoard::Shape.

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

Referenced by rotated(), and rotated().

◆ rotated() [1/2]

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

Return a rotated copy of the curve around its bounding box center.

Parameters

angle The rotation angle.

Returns: A rotated copy of the curve.

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

◆ rotated() [2/2]

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

Rotated copy of the curve.

Parameters

angle	A rotation angle (in radians)
center	The center of rotation

Returns: A rotated copy of the curve

Examples: examples/bezier.cpp, and examples/rough.cpp.

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

Referenced by main(), and slide().

◆ 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 _controls, _path, LibBoard::Path::begin(), LibBoard::Path::clear(), controls(), LibBoard::Path::Open, LibBoard::Path::points(), LibBoard::Path::scale(), and LibBoard::ShapeWithStyle::updateLineWidth().

Referenced by scale(), scaled(), and scaled().

◆ 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 _controls, _path, and 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 scale().

◆ 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 scale().

Referenced by main().

◆ smoothedPolyline() [1/2]

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

static

Build a Bezier curve as a 'rounded' version of a Polyline.

Parameters

path	A path defining a polyline.
roundness
style

Returns: A bezier curve

References controls(), LibBoard::Path::isClosed(), path(), LibBoard::Path::points(), LibBoard::Path::push_back(), LibBoard::Path::size(), smoothedPolyline(), and LibBoard::ShapeWithStyle::style().

◆ smoothedPolyline() [2/2]

Bezier LibBoard::Bezier::smoothedPolyline	(	const std::vector< Point > &	path,
		double	roundness,
		const Style &	style = `Style::defaultStyle()`
	)

static

Build a Bezier curve as a 'rounded' version of a Polyline.

Parameters

path	A sequence of points defining a polyline.
roundness
style

Returns: A bezier curve

References LibBoard::Path::back(), controls(), LibBoard::mix(), path(), LibBoard::Path::push_back(), LibBoard::Path::size(), and LibBoard::ShapeWithStyle::style().

Referenced by main(), LibBoard::RoughVisitor::map(), mustache(), and smoothedPolyline().

◆ translate()

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

overridevirtual

Translate the Bezier by a given offset.

Parameters

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

Returns: A reference to the Bezier itself.

Implements LibBoard::Shape.

References _controls, _path, and LibBoard::Path::translate().

Referenced by translated().

◆ 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 translate().

Member Data Documentation

◆ _controls

Path LibBoard::Bezier::_controls

protected

Referenced by Bezier(), Bezier(), Bezier(), Bezier(), controls(), discretizedPath(), eval(), flushPostscript(), flushSVG(), operator+=(), pathThroughLocalExtremums(), rotate(), rotate(), scale(), scaleAll(), and translate().

◆ _path

Path LibBoard::Bezier::_path

protected

Referenced by Bezier(), Bezier(), Bezier(), Bezier(), boundingBox(), discretizedPath(), eval(), flushPostscript(), flushSVG(), operator+=(), path(), pathThroughLocalExtremums(), rotate(), rotate(), scale(), scaleAll(), and translate().

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

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Bezier() [1/8]

◆ Bezier() [2/8]

◆ Bezier() [3/8]

◆ Bezier() [4/8]

◆ Bezier() [5/8]

◆ Bezier() [6/8]

◆ Bezier() [7/8]

◆ Bezier() [8/8]

◆ ~Bezier()

Member Function Documentation

◆ accept() [1/6]

◆ accept() [2/6]

◆ accept() [3/6]

◆ accept() [4/6]

◆ accept() [5/6]

◆ accept() [6/6]

◆ boundingBox()

◆ clone()

◆ controls()

◆ discretizedPath()

◆ eval()

◆ flushFIG()

◆ flushPostscript()

◆ flushSVG()

◆ flushTikZ()

◆ interpolation()

◆ name()

◆ operator+()

◆ operator+=()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ path()

◆ pathThroughLocalExtremums()

◆ resized()

◆ rotate() [1/2]

◆ rotate() [2/2]

◆ rotated() [1/2]

◆ rotated() [2/2]

◆ scale() [1/2]

◆ scale() [2/2]

◆ scaleAll()

◆ scaled() [1/2]

◆ scaled() [2/2]

◆ smoothedPolyline() [1/2]

◆ smoothedPolyline() [2/2]

◆ translate()

◆ translated()

Member Data Documentation

◆ _controls

◆ _path