java.lang.Object

java.awt.geom.CubicCurve2D

java.awt.geom.CubicCurve2D.Double

All Implemented Interfaces:: Shape, Serializable, Cloneable

Enclosing class:: CubicCurve2D

public static class CubicCurve2D.Double extends CubicCurve2D implements Serializable

A cubic parametric curve segment specified with double coordinates.

Since:

1.2

See Also:

Nested Class Summary

Nested classes/interfaces declared in class CubicCurve2D
CubicCurve2D.Double, CubicCurve2D.Float

Modifier and Type

Class

Description

static class

CubicCurve2D.Double

A cubic parametric curve segment specified with double coordinates.

static class

CubicCurve2D.Float

A cubic parametric curve segment specified with float coordinates.
Field Summary

Fields

Modifier and Type

Field

Description

double

ctrlx1

The X coordinate of the first control point of the cubic curve segment.

double

ctrlx2

The X coordinate of the second control point of the cubic curve segment.

double

ctrly1

The Y coordinate of the first control point of the cubic curve segment.

double

ctrly2

The Y coordinate of the second control point of the cubic curve segment.

double

x1

The X coordinate of the start point of the cubic curve segment.

double

x2

The X coordinate of the end point of the cubic curve segment.

double

y1

The Y coordinate of the start point of the cubic curve segment.

double

y2

The Y coordinate of the end point of the cubic curve segment.
Constructor Summary

Constructors

Constructor

Description

Double()

Constructs and initializes a CubicCurve with coordinates (0, 0, 0, 0, 0, 0, 0, 0).

Double(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)

Constructs and initializes a CubicCurve2D from the specified double coordinates.
Method Summary

Modifier and Type

Method

Description

Point2D

getCtrlP1()

Returns the first control point.

Point2D

getCtrlP2()

Returns the second control point.

double

getCtrlX1()

Returns the X coordinate of the first control point in double precision.

double

getCtrlX2()

Returns the X coordinate of the second control point in double precision.

double

getCtrlY1()

Returns the Y coordinate of the first control point in double precision.

double

getCtrlY2()

Returns the Y coordinate of the second control point in double precision.

Point2D

getP1()

Returns the start point.

Point2D

getP2()

Returns the end point.

double

getX1()

Returns the X coordinate of the start point in double precision.

double

getX2()

Returns the X coordinate of the end point in double precision.

double

getY1()

Returns the Y coordinate of the start point in double precision.

double

getY2()

Returns the Y coordinate of the end point in double precision.

void

setCurve(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)

Sets the location of the end points and control points of this curve to the specified double coordinates.

Methods declared in class CubicCurve2D
clone, contains, contains, contains, contains, getBounds, getBounds2D, getFlatness, getFlatness, getFlatness, getFlatnessSq, getFlatnessSq, getFlatnessSq, getPathIterator, getPathIterator, intersects, intersects, setCurve, setCurve, setCurve, setCurve, solveCubic, solveCubic, subdivide, subdivide, subdivide

Modifier and Type

Method

Description

Object

clone()

Creates a new object of the same class as this object.

boolean

contains(double x, double y)

Tests if the specified coordinates are inside the boundary of the Shape, as described by the definition of insideness.

boolean

contains(double x, double y, double w, double h)

Tests if the interior of the Shape entirely contains the specified rectangular area.

boolean

contains(Point2D p)

Tests if a specified Point2D is inside the boundary of the Shape, as described by the definition of insideness.

boolean

contains(Rectangle2D r)

Tests if the interior of the Shape entirely contains the specified Rectangle2D.

Rectangle

getBounds()

Returns an integer Rectangle that completely encloses the Shape.

Rectangle2D

getBounds2D()

Returns a high precision and more accurate bounding box of the Shape than the getBounds method.

double

getFlatness()

Returns the flatness of this curve.

static double

getFlatness(double[] coords, int offset)

Returns the flatness of the cubic curve specified by the control points stored in the indicated array at the indicated index.

static double

getFlatness(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)

Returns the flatness of the cubic curve specified by the indicated control points.

double

getFlatnessSq()

Returns the square of the flatness of this curve.

static double

getFlatnessSq(double[] coords, int offset)

Returns the square of the flatness of the cubic curve specified by the control points stored in the indicated array at the indicated index.

static double

getFlatnessSq(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)

Returns the square of the flatness of the cubic curve specified by the indicated control points.

PathIterator

getPathIterator(AffineTransform at)

Returns an iteration object that defines the boundary of the shape.

PathIterator

getPathIterator(AffineTransform at, double flatness)

Return an iteration object that defines the boundary of the flattened shape.

boolean

intersects(double x, double y, double w, double h)

Tests if the interior of the Shape intersects the interior of a specified rectangular area.

boolean

intersects(Rectangle2D r)

Tests if the interior of the Shape intersects the interior of a specified Rectangle2D.

void

setCurve(double[] coords, int offset)

Sets the location of the end points and control points of this curve to the double coordinates at the specified offset in the specified array.

void

setCurve(CubicCurve2D c)

Sets the location of the end points and control points of this curve to the same as those in the specified CubicCurve2D.

void

setCurve(Point2D[] pts, int offset)

Sets the location of the end points and control points of this curve to the coordinates of the Point2D objects at the specified offset in the specified array.

void

setCurve(Point2D p1, Point2D cp1, Point2D cp2, Point2D p2)

Sets the location of the end points and control points of this curve to the specified Point2D coordinates.

static int

solveCubic(double[] eqn)

Solves the cubic whose coefficients are in the eqn array and places the non-complex roots back into the same array, returning the number of roots.

static int

solveCubic(double[] eqn, double[] res)

Solve the cubic whose coefficients are in the eqn array and place the non-complex roots into the res array, returning the number of roots.

static void

subdivide(double[] src, int srcoff, double[] left, int leftoff, double[] right, int rightoff)

Subdivides the cubic curve specified by the coordinates stored in the src array at indices srcoff through (srcoff + 7) and stores the resulting two subdivided curves into the two result arrays at the corresponding indices.

void

subdivide(CubicCurve2D left, CubicCurve2D right)

Subdivides this cubic curve and stores the resulting two subdivided curves into the left and right curve parameters.

static void

subdivide(CubicCurve2D src, CubicCurve2D left, CubicCurve2D right)

Subdivides the cubic curve specified by the src parameter and stores the resulting two subdivided curves into the left and right curve parameters.

Methods declared in class Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Modifier and Type

Method

Description

boolean

equals(Object obj)

Indicates whether some other object is "equal to" this one.

protected void

finalize()

Deprecated, for removal: This API element is subject to removal in a future version.
Finalization is deprecated and subject to removal in a future release.

final Class<?>

getClass()

Returns the runtime class of this Object.

int

hashCode()

Returns a hash code value for this object.

final void

notify()

Wakes up a single thread that is waiting on this object's monitor.

final void

notifyAll()

Wakes up all threads that are waiting on this object's monitor.

String

toString()

Returns a string representation of the object.

final void

wait()

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

final void

wait(long timeoutMillis)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void

wait(long timeoutMillis, int nanos)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details
- x1
  
  public double x1
  
  The X coordinate of the start point of the cubic curve segment.
  
  Since:
  
  1.2
- y1
  
  public double y1
  
  The Y coordinate of the start point of the cubic curve segment.
  
  Since:
  
  1.2
- ctrlx1
  
  public double ctrlx1
  
  The X coordinate of the first control point of the cubic curve segment.
  
  Since:
  
  1.2
- ctrly1
  
  public double ctrly1
  
  The Y coordinate of the first control point of the cubic curve segment.
  
  Since:
  
  1.2
- ctrlx2
  
  public double ctrlx2
  
  The X coordinate of the second control point of the cubic curve segment.
  
  Since:
  
  1.2
- ctrly2
  
  public double ctrly2
  
  The Y coordinate of the second control point of the cubic curve segment.
  
  Since:
  
  1.2
- x2
  
  public double x2
  
  The X coordinate of the end point of the cubic curve segment.
  
  Since:
  
  1.2
- y2
  
  public double y2
  
  The Y coordinate of the end point of the cubic curve segment.
  
  Since:
  
  1.2
Constructor Details
- Double
  
  public Double()
  
  Constructs and initializes a CubicCurve with coordinates (0, 0, 0, 0, 0, 0, 0, 0).
  
  Since:
  
  1.2
- Double
  
  public Double(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)
  
  Constructs and initializes a CubicCurve2D from the specified double coordinates.
  
  Parameters:
  
  x1 - the X coordinate for the start point of the resulting CubicCurve2D
  
  y1 - the Y coordinate for the start point of the resulting CubicCurve2D
  
  ctrlx1 - the X coordinate for the first control point of the resulting CubicCurve2D
  
  ctrly1 - the Y coordinate for the first control point of the resulting CubicCurve2D
  
  ctrlx2 - the X coordinate for the second control point of the resulting CubicCurve2D
  
  ctrly2 - the Y coordinate for the second control point of the resulting CubicCurve2D
  
  x2 - the X coordinate for the end point of the resulting CubicCurve2D
  
  y2 - the Y coordinate for the end point of the resulting CubicCurve2D
  
  Since:
  
  1.2
Method Details
- getX1
  
  public double getX1()
  
  Returns the X coordinate of the start point in double precision.
  
  Specified by:
  
  getX1 in class CubicCurve2D
  
  Returns:
  
  the X coordinate of the start point of the CubicCurve2D.
  
  Since:
  
  1.2
- getY1
  
  public double getY1()
  
  Returns the Y coordinate of the start point in double precision.
  
  Specified by:
  
  getY1 in class CubicCurve2D
  
  Returns:
  
  the Y coordinate of the start point of the CubicCurve2D.
  
  Since:
  
  1.2
- getP1
  
  public Point2D getP1()
  
  Returns the start point.
  
  Specified by:
  
  getP1 in class CubicCurve2D
  
  Returns:
  
  a Point2D that is the start point of the CubicCurve2D.
  
  Since:
  
  1.2
- getCtrlX1
  
  public double getCtrlX1()
  
  Returns the X coordinate of the first control point in double precision.
  
  Specified by:
  
  getCtrlX1 in class CubicCurve2D
  
  Returns:
  
  the X coordinate of the first control point of the CubicCurve2D.
  
  Since:
  
  1.2
- getCtrlY1
  
  public double getCtrlY1()
  
  Returns the Y coordinate of the first control point in double precision.
  
  Specified by:
  
  getCtrlY1 in class CubicCurve2D
  
  Returns:
  
  the Y coordinate of the first control point of the CubicCurve2D.
  
  Since:
  
  1.2
- getCtrlP1
  
  public Point2D getCtrlP1()
  
  Returns the first control point.
  
  Specified by:
  
  getCtrlP1 in class CubicCurve2D
  
  Returns:
  
  a Point2D that is the first control point of the CubicCurve2D.
  
  Since:
  
  1.2
- getCtrlX2
  
  public double getCtrlX2()
  
  Returns the X coordinate of the second control point in double precision.
  
  Specified by:
  
  getCtrlX2 in class CubicCurve2D
  
  Returns:
  
  the X coordinate of the second control point of the CubicCurve2D.
  
  Since:
  
  1.2
- getCtrlY2
  
  public double getCtrlY2()
  
  Returns the Y coordinate of the second control point in double precision.
  
  Specified by:
  
  getCtrlY2 in class CubicCurve2D
  
  Returns:
  
  the Y coordinate of the second control point of the CubicCurve2D.
  
  Since:
  
  1.2
- getCtrlP2
  
  public Point2D getCtrlP2()
  
  Returns the second control point.
  
  Specified by:
  
  getCtrlP2 in class CubicCurve2D
  
  Returns:
  
  a Point2D that is the second control point of the CubicCurve2D.
  
  Since:
  
  1.2
- getX2
  
  public double getX2()
  
  Returns the X coordinate of the end point in double precision.
  
  Specified by:
  
  getX2 in class CubicCurve2D
  
  Returns:
  
  the X coordinate of the end point of the CubicCurve2D.
  
  Since:
  
  1.2
- getY2
  
  public double getY2()
  
  Returns the Y coordinate of the end point in double precision.
  
  Specified by:
  
  getY2 in class CubicCurve2D
  
  Returns:
  
  the Y coordinate of the end point of the CubicCurve2D.
  
  Since:
  
  1.2
- getP2
  
  public Point2D getP2()
  
  Returns the end point.
  
  Specified by:
  
  getP2 in class CubicCurve2D
  
  Returns:
  
  a Point2D that is the end point of the CubicCurve2D.
  
  Since:
  
  1.2
- setCurve
  
  public void setCurve(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)
  
  Sets the location of the end points and control points of this curve to the specified double coordinates.
  
  Specified by:
  
  setCurve in class CubicCurve2D
  
  Parameters:
  
  x1 - the X coordinate used to set the start point of this CubicCurve2D
  
  y1 - the Y coordinate used to set the start point of this CubicCurve2D
  
  ctrlx1 - the X coordinate used to set the first control point of this CubicCurve2D
  
  ctrly1 - the Y coordinate used to set the first control point of this CubicCurve2D
  
  ctrlx2 - the X coordinate used to set the second control point of this CubicCurve2D
  
  ctrly2 - the Y coordinate used to set the second control point of this CubicCurve2D
  
  x2 - the X coordinate used to set the end point of this CubicCurve2D
  
  y2 - the Y coordinate used to set the end point of this CubicCurve2D
  
  Since:
  
  1.2

Class CubicCurve2D.Double

Nested Class Summary

Nested classes/interfaces declared in class CubicCurve2D

Field Summary

Constructor Summary

Method Summary

Methods declared in class CubicCurve2D

Methods declared in class Object

Field Details

x1

y1

ctrlx1

ctrly1

ctrlx2

ctrly2

x2

y2

Constructor Details

Double

Double

Method Details

getX1

getY1

getP1

getCtrlX1

getCtrlY1

getCtrlP1

getCtrlX2

getCtrlY2

getCtrlP2

getX2

getY2

getP2

setCurve