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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class CubicCurve2D.Float - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.awt.geom
Class CubicCurve2D.Float

java.lang.Object
  |
  +--java.awt.geom.CubicCurve2D
        |
        +--java.awt.geom.CubicCurve2D.Float

Enclosing class:

CubicCurve2D

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public static class CubicCurve2D.Float

extends CubicCurve2D

A cubic parametric curve segment specified with float coordinates.

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Inner classes inherited from class java.awt.geom.CubicCurve2D

CubicCurve2D.Double, CubicCurve2D.Float

 

Field Summary
float	ctrlx1           The X coordinate of the first control point of the cubic curve segment.
float	ctrlx2           The X coordinate of the second control point of the cubic curve segment.
float	ctrly1           The Y coordinate of the first control point of the cubic curve segment.
float	ctrly2           The Y coordinate of the second control point of the cubic curve segment.
float	x1           The X coordinate of the start point of the cubic curve segment.
float	x2           The X coordinate of the end point of the cubic curve segment.
float	y1           The Y coordinate of the start point of the cubic curve segment.
float	y2           The Y coordinate of the end point of the cubic curve segment.

 

Constructor Summary

CubicCurve2D.Float()           Constructs and initializes a CubicCurve with coordinates (0, 0, 0, 0, 0, 0).

CubicCurve2D.Float(float x1, float y1, float ctrlx1, float ctrly1, float ctrlx2, float ctrly2, float x2, float y2)           Constructs and initializes a CubicCurve2D from the specified coordinates.

 

Method Summary
Rectangle2D	getBounds2D()           Returns the bounding box of the shape.
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 endpoints and controlpoints of this CubicCurve2D to the specified double coordinates.
void	setCurve(float x1, float y1, float ctrlx1, float ctrly1, float ctrlx2, float ctrly2, float x2, float y2)           Sets the location of the endpoints and controlpoints of this curve to the specified float coordinates.

 

Methods inherited from class java.awt.geom.CubicCurve2D

clone, contains, contains, contains, contains, getBounds, getFlatness, getFlatness, getFlatness, getFlatnessSq, getFlatnessSq, getFlatnessSq, getPathIterator, getPathIterator, intersects, intersects, setCurve, setCurve, setCurve, setCurve, solveCubic, subdivide, subdivide, subdivide

 

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

x1

public float x1

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

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y1

public float y1

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

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ctrlx1

public float ctrlx1

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

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ctrly1

public float ctrly1

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

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ctrlx2

public float ctrlx2

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

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ctrly2

public float ctrly2

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

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x2

public float x2

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

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y2

public float y2

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

Constructor Detail

CubicCurve2D.Float

public CubicCurve2D.Float()

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

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CubicCurve2D.Float

public CubicCurve2D.Float(float x1,
                          float y1,
                          float ctrlx1,
                          float ctrly1,
                          float ctrlx2,
                          float ctrly2,
                          float x2,
                          float y2)

Constructs and initializes a CubicCurve2D from the specified coordinates.

Parameters:

x1, y1 - the first specified coordinates for the start point of the resulting CubicCurve2D

ctrlx1, ctrly1 - the second specified coordinates for the first control point of the resulting CubicCurve2D

ctrlx2, ctrly2 - the third specified coordinates for the second control point of the resulting CubicCurve2D

x2, y2 - the fourth specified coordinates for the end point of the resulting CubicCurve2D

Method Detail

getX1

public double getX1()

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

Overrides:

getX1 in class CubicCurve2D

Returns:

the X coordinate of the start point of the CubicCurve2D.

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getY1

public double getY1()

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

Overrides:

getY1 in class CubicCurve2D

Returns:

the Y coordinate of the start point of the CubicCurve2D.

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getP1

public Point2D getP1()

Returns the start point.

Overrides:

getP1 in class CubicCurve2D

Returns:

a Point2D that is the start point of the CubicCurve2D.

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getCtrlX1

public double getCtrlX1()

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

Overrides:

getCtrlX1 in class CubicCurve2D

Returns:

the X coordinate of the first control point of the CubicCurve2D.

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getCtrlY1

public double getCtrlY1()

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

Overrides:

getCtrlY1 in class CubicCurve2D

Returns:

the Y coordinate of the first control point of the CubicCurve2D.

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getCtrlP1

public Point2D getCtrlP1()

Returns the first control point.

Overrides:

getCtrlP1 in class CubicCurve2D

Returns:

a Point2D that is the first control point of the CubicCurve2D.

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getCtrlX2

public double getCtrlX2()

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

Overrides:

getCtrlX2 in class CubicCurve2D

Returns:

the X coordinate of the second control point of the CubicCurve2D.

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getCtrlY2

public double getCtrlY2()

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

Overrides:

getCtrlY2 in class CubicCurve2D

Returns:

the Y coordinate of the second control point of the CubicCurve2D.

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getCtrlP2

public Point2D getCtrlP2()

Returns the second control point.

Overrides:

getCtrlP2 in class CubicCurve2D

Returns:

a Point2D that is the second control point of the CubicCurve2D.

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getX2

public double getX2()

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

Overrides:

getX2 in class CubicCurve2D

Returns:

the X coordinate of the end point of the CubicCurve2D.

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getY2

public double getY2()

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

Overrides:

getY2 in class CubicCurve2D

Returns:

the Y coordinate of the end point of the CubicCurve2D.

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getP2

public Point2D getP2()

Returns the end point.

Overrides:

getP2 in class CubicCurve2D

Returns:

a Point2D that is the end point of the CubicCurve2D.

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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 endpoints and controlpoints of this CubicCurve2D to the specified double coordinates.

Overrides:

setCurve in class CubicCurve2D

Parameters:

x1, y1 - the first specified coordinates used to set the start point of this CubicCurve2D

ctrlx1, ctrly1 - the second specified coordinates used to set the first control point of this CubicCurve2D

ctrlx2, ctrly2 - the third specified coordinates used to set the second control point of this CubicCurve2D

x2, y2 - the fourth specified coordinates used to set the end point of this CubicCurve2D

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setCurve

public void setCurve(float x1,
                     float y1,
                     float ctrlx1,
                     float ctrly1,
                     float ctrlx2,
                     float ctrly2,
                     float x2,
                     float y2)

Sets the location of the endpoints and controlpoints of this curve to the specified float coordinates.

Parameters:

x1, y1 - the first specified coordinates used to set the start point of this CubicCurve2D

ctrlx1, ctrly1 - the second specified coordinates used to set the first control point of this CubicCurve2D

ctrlx2, ctrly2 - the third specified coordinates used to set the second control point of this CubicCurve2D

x2, y2 - the fourth specified coordinates used to set the end point of this CubicCurve2D

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getBounds2D

public Rectangle2D getBounds2D()

Returns the bounding box of the shape.

Returns:

a Rectangle2D that is the bounding box of the shape.

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