API java : QuadCurve2D.Double

java.awt.geom
Class QuadCurve2D.Double

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

All Implemented Interfaces:

Shape, Cloneable

Enclosing class:

QuadCurve2D

public static class QuadCurve2D.Double
extends QuadCurve2D

A quadratic parametric curve segment specified with double coordinates.

Nested Class Summary

 

Nested classes/interfaces inherited from class java.awt.geom.QuadCurve2D
QuadCurve2D.Double, QuadCurve2D.Float

 

Field Summary
double	ctrlx           The x coordinate of the control point of the quadratic curve segment.
double	ctrly           The y coordinate of the control point of the quadratic curve segment.
double	x1           The x coordinate of the start point of the quadratic curve segment.
double	x2           The x coordinate of the end point of the quadratic curve segment.
double	y1           The x coordinate of the start point of the quadratic curve segment.
double	y2           The y coordinate of the end point of the quadratic curve segment.

 

Constructor Summary
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 coordinates.

 

Method Summary
Rectangle2D	getBounds2D()           Returns the bounding box of this QuadCurve2D.
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 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 endpoints and controlpoint of this curve to the specified double coordinates.

 

Methods inherited from class java.awt.geom.QuadCurve2D
clone, contains, contains, contains, contains, getBounds, getFlatness, getFlatness, getFlatness, getFlatnessSq, getFlatnessSq, getFlatnessSq, getPathIterator, getPathIterator, intersects, intersects, setCurve, setCurve, setCurve, setCurve, solveQuadratic, solveQuadratic, subdivide, subdivide, subdivide

 

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

x1

public double x1

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

y1

public double y1

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

ctrlx

public double ctrlx

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

ctrly

public double ctrly

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

x2

public double x2

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

y2

public double y2

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

QuadCurve2D.Double

public QuadCurve2D.Double()

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

QuadCurve2D.Double

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

Constructs and initializes a QuadCurve2D from the specified coordinates.

Parameters:

x1, y1 - the coordinates of the starting point

ctrlx, ctrly - the coordinates of the control point

x2, y2 - the coordinates of the ending point

getX1

public double getX1()

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

Specified by:

getX1 in class QuadCurve2D

Returns:

the x coordinate of the starting point.

getY1

public double getY1()

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

Specified by:

getY1 in class QuadCurve2D

Returns:

the y coordiante of the starting point.

getP1

public Point2D getP1()

Returns the start point.

Specified by:

getP1 in class QuadCurve2D

Returns:

a Point2D that is the starting point of this QuadCurve2D.

getCtrlX

public double getCtrlX()

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

Specified by:

getCtrlX in class QuadCurve2D

Returns:

the x coordinate of the control point.

getCtrlY

public double getCtrlY()

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

Specified by:

getCtrlY in class QuadCurve2D

Returns:

the y coordiante of the control point.

getCtrlPt

public Point2D getCtrlPt()

Returns the control point.

Specified by:

getCtrlPt in class QuadCurve2D

Returns:

a Point2D object that is the control point of this QuadCurve2D.

getX2

public double getX2()

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

Specified by:

getX2 in class QuadCurve2D

Returns:

the x coordiante of the end point.

getY2

public double getY2()

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

Specified by:

getY2 in class QuadCurve2D

Returns:

the y coordiante of the end point.

getP2

public Point2D getP2()

Returns the end point.

Specified by:

getP2 in class QuadCurve2D

Returns:

a Point2D that is the end point of this QuadCurve2D.

setCurve

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

Sets the location of the endpoints and controlpoint of this curve to the specified double coordinates.

Specified by:

setCurve in class QuadCurve2D

Parameters:

x1, y1 - the coordinates of the starting point

ctrlx, ctrly - the coordinates of the control point

x2, y2 - the coordinates of the ending point

getBounds2D

public Rectangle2D getBounds2D()

Returns the bounding box of this QuadCurve2D.

Returns:

a Rectangle2D that is the bounding box of the shape of this QuadCurve2D.

See Also:

Shape.getBounds()