A painter path. More...

#include <cc/Path>

Inheritance diagram for Path:

Public Member Functions
	Path ()
	Create a null path.

	Path (const Point &o)
	Create a path starting at point o.

Point	startPoint () const
	Starting point of the path.

Point	currentPoint () const
	The current point.

Path &	lineTo (Point b)
	Add a line segment to point b.

Path &	curveTo (Point b, Point c, Point d)
	Add a cubic Bézier spline spanning over control points b, c and ending at point d.

Path &	arcAround (Point b, double alpha)
	Add an arc that starts at the current point and circles around point b alpha radians (-2pi to +2pi)

List< Segment >	segments () const
	Get the list of all path segments.

Public Member Functions inherited from Object
	Object ()=default
	Create a null object.

	operator bool () const
	Check if this is a non-null object.

bool	isNull () const
	Check if this is a null object.

template<class T >
bool	is () const
	Check if this object is of type T.

template<class T >
T	as () const
	Cast this object to type T.

bool	isWeak () const
	Check if the underlying object reference is weak.

bool	operator== (const Object &other) const
	Equality operator.

std::strong_ordering	operator<=> (const Object &other) const
	Ordering operator.

long	useCount () const
	Reference count.

Protected Member Functions
State &	me ()

const State &	me () const

Protected Member Functions inherited from Object
template<class T >
T	weak () const

template<class T >
void	initOnce ()
	Create the object state when called the first time.

template<class T >
void	initOncePerThread ()
	Create a distinct object state for each thread when called the first time in that thread.

	Object (State *newState)
	Initialize object with newState.

	Object (State *state, Alias)

	Object (State *state, Weak)

Object &	operator= (std::nullptr_t)

Additional Inherited Members
Static Protected Member Functions inherited from Object
template<class T >
static T	alias (const State *state)
	Create an alias object for the given state.

template<class T >
static T	weak (const State *state)

Protected Attributes inherited from Object
Handle< State >	me
	Internal object state

Detailed Description

A painter path.

See also: Painter

Todo

Test/debug Path::arcAround()

API doc strings for the Segment classes

Constructor & Destructor Documentation

◆ Path() [1/2]

Path ( )

Create a null path.

◆ Path() [2/2]

Path ( const Point & o )

explicit

Create a path starting at point o.

Member Function Documentation

◆ startPoint()

Point startPoint ( ) const

Starting point of the path.

◆ currentPoint()

Point currentPoint ( ) const

The current point.

◆ lineTo()

Path & lineTo ( Point b )

Add a line segment to point b.

◆ curveTo()

Path & curveTo	(	Point	b,
		Point	c,
		Point	d )

Add a cubic Bézier spline spanning over control points b, c and ending at point d.

◆ arcAround()

Path & arcAround	(	Point	b,
		double	alpha )

Add an arc that starts at the current point and circles around point b alpha radians (-2*pi to +2*pi)

◆ segments()

List< Segment > segments ( ) const

Get the list of all path segments.

Public Member Functions

Protected Member Functions

Additional Inherited Members