Summary: Fields | Ctors | Methods | Inherited Methods | [Expand All]

public static class

QuadCurve2D.Double

extends QuadCurve2D
implements Serializable

java.lang.Object
↳	java.awt.geom.QuadCurve2D
	↳	java.awt.geom.QuadCurve2D.Double

Class Overview

A quadratic parametric curve segment specified with double coordinates.

Summary

Fields
public double	ctrlx	The X coordinate of the control point of the quadratic curve segment.
public double	ctrly	The Y coordinate of the control point of the quadratic curve segment.
public double	x1	The X coordinate of the start point of the quadratic curve segment.
public double	x2	The X coordinate of the end point of the quadratic curve segment.
public double	y1	The Y coordinate of the start point of the quadratic curve segment.
public double	y2	The Y coordinate of the end point of the quadratic curve segment.

Public Constructors
	QuadCurve2D.Double() Constructs and initializes a `QuadCurve2D` with coordinates (0, 0, 0, 0, 0, 0).
	QuadCurve2D.Double(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Constructs and initializes a `QuadCurve2D` from the specified `double` coordinates.

Public Methods
Rectangle2D	getBounds2D()
Point2D	getCtrlPt() Returns the control point.
double	getCtrlX() Returns the X coordinate of the control point in `double` precision.
double	getCtrlY() Returns the Y coordinate of the 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` in 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 ctrlx, double ctrly, double x2, double y2) Sets the location of the end points and control point of this curve to the specified `double` coordinates.

[Expand]

Inherited Methods

From class java.awt.geom.QuadCurve2D

Object	clone() Creates a new object of the same class and with the same contents as this object.
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`.
boolean	contains(double x, double y) Tests if the specified coordinates are inside the boundary of the `Shape`.
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`.
abstract Point2D	getCtrlPt() Returns the control point.
abstract double	getCtrlX() Returns the X coordinate of the control point in `double` precision.
abstract double	getCtrlY() Returns the Y coordinate of the control point in `double` precision.
static double	getFlatness(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Returns the flatness, or maximum distance of a control point from the line connecting the end points, of the quadratic curve specified by the indicated control points.
double	getFlatness() Returns the flatness, or maximum distance of a control point from the line connecting the end points, of this `QuadCurve2D`.
static double	getFlatness(double[] coords, int offset) Returns the flatness, or maximum distance of a control point from the line connecting the end points, of the quadratic curve specified by the control points stored in the indicated array at the indicated index.
double	getFlatnessSq() Returns the square of the flatness, or maximum distance of a control point from the line connecting the end points, of this `QuadCurve2D`.
static double	getFlatnessSq(double[] coords, int offset) Returns the square of the flatness, or maximum distance of a control point from the line connecting the end points, of the quadratic curve specified by the control points stored in the indicated array at the indicated index.
static double	getFlatnessSq(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Returns the square of the flatness, or maximum distance of a control point from the line connecting the end points, of the quadratic curve specified by the indicated control points.
abstract Point2D	getP1() Returns the start point.
abstract Point2D	getP2() Returns the end point.
PathIterator	getPathIterator(AffineTransform at) Returns an iteration object that defines the boundary of the shape of this `QuadCurve2D`.
PathIterator	getPathIterator(AffineTransform at, double flatness) Returns an iteration object that defines the boundary of the flattened shape of this `QuadCurve2D`.
abstract double	getX1() Returns the X coordinate of the start point in `double` in precision.
abstract double	getX2() Returns the X coordinate of the end point in `double` precision.
abstract double	getY1() Returns the Y coordinate of the start point in `double` precision.
abstract double	getY2() Returns the Y coordinate of the end point in `double` precision.
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`.
abstract void	setCurve(double x1, double y1, double ctrlx, double ctrly, double x2, double y2) Sets the location of the end points and control point of this curve to the specified `double` coordinates.
void	setCurve(Point2D p1, Point2D cp, Point2D p2) Sets the location of the end points and control point of this `QuadCurve2D` to the specified `Point2D` coordinates.
void	setCurve(QuadCurve2D c) Sets the location of the end points and control point of this `QuadCurve2D` to the same as those in the specified `QuadCurve2D`.
void	setCurve(Point2D[] pts, int offset) Sets the location of the end points and control points of this `QuadCurve2D` to the coordinates of the `Point2D` objects at the specified offset in the specified array.
void	setCurve(double[] coords, int offset) Sets the location of the end points and control points of this `QuadCurve2D` to the `double` coordinates at the specified offset in the specified array.
static int	solveQuadratic(double[] eqn, double[] res) Solves the quadratic whose coefficients are in the `eqn` array and places the non-complex roots into the `res` array, returning the number of roots.
static int	solveQuadratic(double[] eqn) Solves the quadratic whose coefficients are in the `eqn` array and places the non-complex roots back into the same array, returning the number of roots.
void	subdivide(QuadCurve2D left, QuadCurve2D right) Subdivides this `QuadCurve2D` and stores the resulting two subdivided curves into the `left` and `right` curve parameters.
static void	subdivide(double[] src, int srcoff, double[] left, int leftoff, double[] right, int rightoff) Subdivides the quadratic curve specified by the coordinates stored in the `src` array at indices `srcoff` through `srcoff` + 5 and stores the resulting two subdivided curves into the two result arrays at the corresponding indices.
static void	subdivide(QuadCurve2D src, QuadCurve2D left, QuadCurve2D right) Subdivides the quadratic curve specified by the `src` parameter and stores the resulting two subdivided curves into the `left` and `right` curve parameters.

From class java.lang.Object

Object	clone() Creates and returns a copy of this object.
boolean	equals(Object obj) Indicates whether some other object is "equal to" this one.
void	finalize() Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
final Class<?>	getClass() Returns the runtime class of this `Object`.
int	hashCode() Returns a hash code value for the 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 another thread invokes the `notify()` method or the `notifyAll()` method for this object.
final void	wait(long timeout, int nanos) Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
final void	wait(long timeout) Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.

From interface java.awt.Shape

abstract boolean	contains(double x, double y) Tests if the specified coordinates are inside the boundary of the `Shape`.
abstract boolean	contains(Point2D p) Tests if a specified `Point2D` is inside the boundary of the `Shape`.
abstract boolean	contains(double x, double y, double w, double h) Tests if the interior of the `Shape` entirely contains the specified rectangular area.
abstract boolean	contains(Rectangle2D r) Tests if the interior of the `Shape` entirely contains the specified `Rectangle2D`.
abstract Rectangle	getBounds() Returns an integer `Rectangle` that completely encloses the `Shape`.
abstract Rectangle2D	getBounds2D() Returns a high precision and more accurate bounding box of the `Shape` than the `getBounds` method.
abstract PathIterator	getPathIterator(AffineTransform at) Returns an iterator object that iterates along the `Shape` boundary and provides access to the geometry of the `Shape` outline.
abstract PathIterator	getPathIterator(AffineTransform at, double flatness) Returns an iterator object that iterates along the `Shape` boundary and provides access to a flattened view of the `Shape` outline geometry.
abstract 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.
abstract boolean	intersects(Rectangle2D r) Tests if the interior of the `Shape` intersects the interior of a specified `Rectangle2D`.

Fields

public double ctrlx

The X coordinate of the control point of the quadratic curve segment.

public double ctrly

The Y coordinate of the control point of the quadratic curve segment.

public double x1

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

public double x2

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

public double y1

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

public double y2

The Y coordinate of the end point of the quadratic curve segment.

Public Constructors

public QuadCurve2D.Double ()

Constructs and initializes a QuadCurve2D with coordinates (0, 0, 0, 0, 0, 0).

public QuadCurve2D.Double (double x1, double y1, double ctrlx, double ctrly, double x2, double y2)

Constructs and initializes a QuadCurve2D from the specified double coordinates.

Parameters

x1	the X coordinate of the start point
y1	the Y coordinate of the start point
ctrlx	the X coordinate of the control point
ctrly	the Y coordinate of the control point
x2	the X coordinate of the end point
y2	the Y coordinate of the end point

Public Methods

public Rectangle2D getBounds2D ()

public Point2D getCtrlPt ()

Returns the control point.

Returns

a Point2D that is the control point of this Point2D.

public double getCtrlX ()

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

Returns

X coordinate the control point

public double getCtrlY ()

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

Returns

the Y coordinate of the control point.

public Point2D getP1 ()

Returns the start point.

Returns

a Point2D that is the start point of this QuadCurve2D.

public Point2D getP2 ()

Returns the end point.

Returns

a Point object that is the end point of this Point2D.

public double getX1 ()

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

Returns

the X coordinate of the start point.

public double getX2 ()

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

Returns

the x coordiante of the end point.

public double getY1 ()

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

Returns

the Y coordinate of the start point.

public double getY2 ()

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

Returns

the Y coordinate of the end point.

public void setCurve (double x1, double y1, double ctrlx, double ctrly, double x2, double y2)

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

Parameters

x1	the X coordinate of the start point
y1	the Y coordinate of the start point
ctrlx	the X coordinate of the control point
ctrly	the Y coordinate of the control point
x2	the X coordinate of the end point
y2	the Y coordinate of the end point

Interfaces

Classes

Exceptions

QuadCurve2D.Double

Class Overview

Summary

Fields

public double ctrlx

public double ctrly

public double x1

public double x2

public double y1

public double y2

Public Constructors

public QuadCurve2D.Double ()

public QuadCurve2D.Double (double x1, double y1, double ctrlx, double ctrly, double x2, double y2)

Parameters

Public Methods

public Rectangle2D getBounds2D ()

public Point2D getCtrlPt ()

Returns

public double getCtrlX ()

Returns

public double getCtrlY ()

Returns

public Point2D getP1 ()

Returns

public Point2D getP2 ()

Returns

public double getX1 ()

Returns

public double getX2 ()

Returns

public double getY1 ()

Returns

public double getY2 ()

Returns

public void setCurve (double x1, double y1, double ctrlx, double ctrly, double x2, double y2)

Parameters