Detailed Description

Defines of a path of bezier points.

Public Member Functions
bool	equivalent_reverse (OMC::Bezier *other) const
	Identifies if the reversed bezier is equivalent.. More...

void	multiply (const QVariant &value)
	Multiply the bezier path with a value. More...

void	round (double pointQuantum=1.0/64.0)
	Round the bezier with a point quantum. More...

void	clear ()
	Clears all the points in the path. The path will now be empty. More...

void	trim (uint numpts)
	Trims the number of points in the path to the provided number. More...

void	close ()
	Appends the starting point to the end point, in order to close the bezier path. More...

void	erase (uint fromIdx, uint toIdx)
	Erases the points from the given index, to the given index. More...

void	reverse ()
	Reverses this bezier path.

void	insert_point (double t)
	Inserts a point at t along the path. More...

OMC::BezierPath *	truncate (double from_t, double to_t)
	Truncates the bezier path from a given point, to a given point. More...

void	straighten ()
	Straightens the path into a path formed of line segments. More...

OMC::Point2d *	evaluate (double t) const
	Evaluates and provides the point along the path at the parameter t. More...

OMC::BezierPath *	split (double t)
	Splits the path at a given point. More...

OMC::Bezier *	bezier (uint idx) const
	Gets the bezier at the given index. More...

int	bezier_degree (uint idx) const
	Gets the degree of the bezier at the given index. More...

void	bezier_set (uint idx, OMC::Bezier *bezier) const
	Replaces the bezier at the given index. More...

void	bezier_append (OMC::Bezier *bezier) const
	Appends the bezier to the back of the path. More...

void	bezier_append_front (OMC::Bezier *bezier) const
	Appends the bezier to the front of the path. More...

OMC::DrawingVectorContour *	operator[] (int idx) const
	Returns the point at the given index on the bezier path. More...

bool	contains (OMC::Point2d *) const
	Identifies if the list contains the art layer object.

virtual std::vector< OMC::Point2d * >	list () const override
	Converts the dynamic list into a concrete list of drawing vector stroke objects.

bool	intersecting () const
	Identifies if the bezier path is self-interesecting.

bool	intersecting (OMC::Bezier *bez) const
	Identifies if the bezier path is interesecting with another bezier path.

QList< OMC::Point2d * >	intersections () const
	Provides a list of all self-interestions. More...

QList< OMC::Point2d * >	intersections (OMC::Bezier *bez) const
	Provides a list of all interestions between the bezier curve provided. More...

double	closest_point (OMC::Point2d *) const
	Finds the evaluated value that would provide the nearest point on the path. More...

bool	containing (OMC::Point2d *) const
	Identifies if the point is contained within a closed bezier path. More...

bool	inside (OMC::BezierPath *) const
	Identifies if the bezier path is entirely within a closed bezier path. More...

bool	outside (OMC::BezierPath *) const
	Identifies if the bezier path is entirely outside a closed bezier path. More...

Static Public Member Functions
static OMC::BezierPath *	create_circle (double centerX, double centerY, double radius, uint segments=4)
	Creates a bezier path containing a circle with the provided parameters. More...

static OMC::BezierPath *	create_oval (double centerX, double centerY, double radiusX, double radiusY, uint segments=4)
	Creates a bezier path containing a oval with the provided parameters. More...

static OMC::BezierPath *	create_rectangle (double minX, double minY, double maxX, double maxY)
	Creates a bezier path containing a rectangle with the provided parameters. More...

static OMC::BezierPath *	create_bezier_fit (QList< OMC::Point2d > points, bool closed=false, bool oneBezier=false)
	Creates all points by fitting the provided points to a bezier, or bezier path. More...

Public Attributes
bool	empty

bool	degenerate

bool	polyline

uint	points_on_curve

uint	bezier_count

OMC::AllocatedRect2d *	bounding_box

OMC::AllocatedRect2d *	bounding_box_inner

OMC::Vector2d *	to_tangent

OMC::Vector2d *	from_tangent

double	polygon_length

bool	polygon_clockwise

Member Function Documentation

◆ bezier()

OMC::Bezier* OMC::BezierPath::bezier ( uint idx ) const

Gets the bezier at the given index.

Returns: Provides the OMC::Bezier* object at the given index on the bezier path.

◆ bezier_append()

void OMC::BezierPath::bezier_append ( OMC::Bezier * bezier ) const

Appends the bezier to the back of the path.

When appending to a bezier path, the points at which the bezier path is appended should match.

◆ bezier_append_front()

void OMC::BezierPath::bezier_append_front ( OMC::Bezier * bezier ) const

Appends the bezier to the front of the path.

When appending to a bezier path, the points at which the bezier path is appended should match.

◆ bezier_degree()

int OMC::BezierPath::bezier_degree ( uint idx ) const

Gets the degree of the bezier at the given index.

Returns: An int providing the index from 0-3 of the given index.

◆ bezier_set()

void OMC::BezierPath::bezier_set	(	uint	idx,
		OMC::Bezier *	bezier
	)		const

Replaces the bezier at the given index.

◆ clear()

void OMC::BezierPath::clear ( )

Clears all the points in the path. The path will now be empty.

◆ close()

void OMC::BezierPath::close ( )

Appends the starting point to the end point, in order to close the bezier path.

◆ closest_point()

double OMC::BezierPath::closest_point ( OMC::Point2d * ) const

Finds the evaluated value that would provide the nearest point on the path.

Returns: The evaluated double value that would provide the nearest point on the path.

◆ containing()

bool OMC::BezierPath::containing ( OMC::Point2d * ) const

Identifies if the point is contained within a closed bezier path.

Using a ray test, identifies if the provided point is interior to the bezier path if the path is closed and defines an enclosed region.

Returns: True if the point is within the enclosed region of the bezier path.

◆ create_bezier_fit()

static OMC::BezierPath* OMC::BezierPath::create_bezier_fit	(	QList< OMC::Point2d >	points,
		bool	closed = `false`,
		bool	oneBezier = `false`
	)

static

Creates all points by fitting the provided points to a bezier, or bezier path.

Returns: A fitted OMC::BezierPath* defined by the points.

◆ create_circle()

static OMC::BezierPath* OMC::BezierPath::create_circle	(	double	centerX,
		double	centerY,
		double	radius,
		uint	segments = `4`
	)

static

Creates a bezier path containing a circle with the provided parameters.

Returns: OMC::BezierPath* containing the circle bezier path.

◆ create_oval()

static OMC::BezierPath* OMC::BezierPath::create_oval	(	double	centerX,
		double	centerY,
		double	radiusX,
		double	radiusY,
		uint	segments = `4`
	)

static

Creates a bezier path containing a oval with the provided parameters.

Returns: OMC::BezierPath* containing the oval bezier path.

◆ create_rectangle()

static OMC::BezierPath* OMC::BezierPath::create_rectangle	(	double	minX,
		double	minY,
		double	maxX,
		double	maxY
	)

static

Creates a bezier path containing a rectangle with the provided parameters.

Returns: OMC::BezierPath* containing the rectangle bezier path.

◆ equivalent_reverse()

bool OMC::BezierPath::equivalent_reverse ( OMC::Bezier * other ) const

Identifies if the reversed bezier is equivalent..

Returns: True if the bezier is equivalent when reversed.

◆ erase()

void OMC::BezierPath::erase	(	uint	fromIdx,
		uint	toIdx
	)

Erases the points from the given index, to the given index.

◆ evaluate()

OMC::Point2d* OMC::BezierPath::evaluate ( double t ) const

Evaluates and provides the point along the path at the parameter t.

Returns: A OMC::Point2d* point on the path at the evaluated point 't'.

◆ insert_point()

void OMC::BezierPath::insert_point ( double t )

Inserts a point at t along the path.

Inserts a point on the curve at the given parameter t and round it, which must be in the interval [0, GetNumPoints]. If the given parameter t is an integer, then the curve is not modified and the method returns false. Otherwise, the appropriate bezier curve is split in two pieces and the method returns true. In such a case, the parametrization of the curve is modified, invalidating this way any other parametric information about the curve.

◆ inside()

bool OMC::BezierPath::inside ( OMC::BezierPath * ) const

Identifies if the bezier path is entirely within a closed bezier path.

Returns: True if the provided bezier path is within the enclosed region of the bezier path.

◆ intersections() [1/2]

QList<OMC::Point2d*> OMC::BezierPath::intersections ( ) const

Provides a list of all self-interestions.

Returns: A list of all OMC::Point2d* intersctions within the curve.

◆ intersections() [2/2]

QList<OMC::Point2d*> OMC::BezierPath::intersections ( OMC::Bezier * bez ) const

Provides a list of all interestions between the bezier curve provided.

Returns: A list of all OMC::Point2d* intersctions between this curve and the provided curve.

◆ multiply()

void OMC::BezierPath::multiply ( const QVariant & value )

Multiply the bezier path with a value.

Multiplies the bezier path in place with a value – the value can be a single number, or a matrix (only 2D components are considered).

◆ operator[]()

OMC::DrawingVectorContour* OMC::BezierPath::operator[] ( int idx ) const

Returns the point at the given index on the bezier path.

◆ outside()

bool OMC::BezierPath::outside ( OMC::BezierPath * ) const

Identifies if the bezier path is entirely outside a closed bezier path.

Returns: True if the provided bezier path is outside the enclosed region of the bezier path.

◆ round()

void OMC::BezierPath::round ( double pointQuantum = 1.0/64.0 )

Round the bezier with a point quantum.

◆ split()

OMC::BezierPath* OMC::BezierPath::split ( double t )

Splits the path at a given point.

Splits the path at a given point along the path. This path will be the initial portion of the path, from the starting point to the split point. The returned OMC::Bezier* provides the remaining portion of the path, from the split point to the ending point

Returns: Modifies this Bezier path with the initial portion, and returns a OMC::Bezier* with the remaining portion.

◆ straighten()

void OMC::BezierPath::straighten ( )

Straightens the path into a path formed of line segments.

Transform this bezier path into a path with bezier of degree 1, representing individual line segments.

◆ trim()

void OMC::BezierPath::trim ( uint numpts )

Trims the number of points in the path to the provided number.

◆ truncate()

OMC::BezierPath* OMC::BezierPath::truncate	(	double	from_t,
		double	to_t
	)

Truncates the bezier path from a given point, to a given point.

Provides a truncated bezier path between the given start point and endpoint. This does not modify the existing bezier, and returns the truncated bezier.

Returns: Returns the truncated OMC::BezierPath* object.

Member Data Documentation

◆ bezier_count

uint OMC::BezierPath::bezier_count

read

Identifies the number of beziers in the path.

◆ bounding_box

OMC::BezierPath::bounding_box

Get the bounding-box of the bezier.

◆ bounding_box_inner

OMC::BezierPath::bounding_box_inner

Get the bounding-box of the bezier.

◆ degenerate

bool OMC::BezierPath::degenerate

read

True if the path is degenerate.

◆ empty

bool OMC::BezierPath::empty

readwrite

True if the path is empty.

◆ from_tangent

OMC::BezierPath::from_tangent

Get the bezier path's from tangent.

◆ points_on_curve

uint OMC::BezierPath::points_on_curve

read

Identifies the number of points in the path that exist on the curve.

◆ polygon_clockwise

bool OMC::BezierPath::polygon_clockwise

read

True if the polygon is defined in a clockwise direction – assuming a closed polygon.

◆ polygon_length

double OMC::BezierPath::polygon_length

read

Get polygon length of the path – if an index is provided, the length is determined starting from that point index.

◆ polyline

bool OMC::BezierPath::polyline

read

True if the path is a polyline.

◆ to_tangent

OMC::BezierPath::to_tangent

Get the bezier path's to tangent.

Inheritance diagram for OMC::BezierPath:

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Collaboration diagram for OMC::BezierPath:

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Detailed Description

Public Member Functions

Static Public Member Functions

Public Attributes

Member Function Documentation

◆ bezier()

◆ bezier_append()

◆ bezier_append_front()

◆ bezier_degree()

◆ bezier_set()

◆ clear()

◆ close()

◆ closest_point()

◆ containing()

◆ create_bezier_fit()

◆ create_circle()

◆ create_oval()

◆ create_rectangle()

◆ equivalent_reverse()

◆ erase()

◆ evaluate()

◆ insert_point()

◆ inside()

◆ intersections() [1/2]

◆ intersections() [2/2]

◆ multiply()

◆ operator[]()

◆ outside()

◆ round()

◆ split()

◆ straighten()

◆ trim()

◆ truncate()

Member Data Documentation

◆ bezier_count

◆ bounding_box

◆ bounding_box_inner

◆ degenerate

◆ empty

◆ from_tangent

◆ points_on_curve

◆ polygon_clockwise

◆ polygon_length

◆ polyline

◆ to_tangent