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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class RoundRectangle2D.Double - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.awt.geom
Class RoundRectangle2D.Double

java.lang.Object
  |
  +--java.awt.geom.RectangularShape
        |
        +--java.awt.geom.RoundRectangle2D
              |
              +--java.awt.geom.RoundRectangle2D.Double
Enclosing class:
RoundRectangle2D
public static class RoundRectangle2D.Double
extends RoundRectangle2D

The Double class defines a rectangle with rounded corners all specified in double coordinates.

Inner classes inherited from class java.awt.geom.RoundRectangle2D
RoundRectangle2D.Double, RoundRectangle2D.Float
 
Field Summary
 double archeight
          The height of the arc that rounds off the corners.
 double arcwidth
          The width of the arc that rounds off the corners.
 double height
          The height of this RoundRectangle2D.
 double width
          The width of this RoundRectangle2D.
 double x
          The X coordinate of this RoundRectangle2D.
 double y
          The Y coordinate of this RoundRectangle2D.
 
Constructor Summary
RoundRectangle2D.Double()
          Constructs a new RoundRectangle2D, initialized to location (0.0, 0), size (0.0, 0.0), and corner arcs of radius 0.0.
RoundRectangle2D.Double(double x, double y, double w, double h, double arcw, double arch)
          Constructs and initializes a RoundRectangle2D from the specified coordinates.
 
Method Summary
 double getArcHeight()
          Returns the height of the arc that rounds off the corners.
 double getArcWidth()
          Returns the width of the arc that rounds off the corners.
 Rectangle2D getBounds2D()
          Returns the high precision bounding box of this RoundRectangle2D.
 double getHeight()
          Returns the height of this RoundRectangle2D in double precision.
 double getWidth()
          Returns the width of this RoundRectangle2D in double precision.
 double getX()
          Returns the X coordinate of this RoundRectangle2D in double precision.
 double getY()
          Returns the Y coordinate of this RoundRectangle2D in double precision.
 boolean isEmpty()
          Determines whether or not this RoundRectangle2D is empty.
 void setRoundRect(double x, double y, double w, double h, double arcw, double arch)
          Sets the location, size, and arc radii of this RoundRectangle2D to the specified double values.
 void setRoundRect(RoundRectangle2D rr)
          Sets this RoundRectangle2D to be the same as the specified RoundRectangle2D.
 
Methods inherited from class java.awt.geom.RoundRectangle2D
contains, contains, getPathIterator, intersects, setFrame
 
Methods inherited from class java.awt.geom.RectangularShape
clone, contains, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, getPathIterator, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

x

public double x
The X coordinate of this RoundRectangle2D.

y

public double y
The Y coordinate of this RoundRectangle2D.

width

public double width
The width of this RoundRectangle2D.

height

public double height
The height of this RoundRectangle2D.

arcwidth

public double arcwidth
The width of the arc that rounds off the corners.

archeight

public double archeight
The height of the arc that rounds off the corners.
Constructor Detail

RoundRectangle2D.Double

public RoundRectangle2D.Double()
Constructs a new RoundRectangle2D, initialized to location (0.0, 0), size (0.0, 0.0), and corner arcs of radius 0.0.

RoundRectangle2D.Double

public RoundRectangle2D.Double(double x,
                               double y,
                               double w,
                               double h,
                               double arcw,
                               double arch)
Constructs and initializes a RoundRectangle2D from the specified coordinates.
Parameters:
x,  - the coordinates to which to set the newly constructed RoundRectangle2D
w - the width to which to set the newly constructed RoundRectangle2D
h - the height to which to set the newly constructed RoundRectangle2D
arcw - the width of the arc to use to round off the corners of the newly constructed RoundRectangle2D
arch - the height of the arc to use to round off the corners of the newly constructed RoundRectangle2D
Method Detail

getX

public double getX()
Returns the X coordinate of this RoundRectangle2D in double precision.
Overrides:
getX in class RectangularShape
Returns:
the X coordinate of this RoundRectangle2D.

getY

public double getY()
Returns the Y coordinate of this RoundRectangle2D in double precision.
Overrides:
getY in class RectangularShape
Returns:
the Y coordinate of this RoundRectangle2D.

getWidth

public double getWidth()
Returns the width of this RoundRectangle2D in double precision.
Overrides:
getWidth in class RectangularShape
Returns:
the width of this RoundRectangle2D.

getHeight

public double getHeight()
Returns the height of this RoundRectangle2D in double precision.
Overrides:
getHeight in class RectangularShape
Returns:
the height of this RoundRectangle2D.

getArcWidth

public double getArcWidth()
Returns the width of the arc that rounds off the corners.
Overrides:
getArcWidth in class RoundRectangle2D
Returns:
the width of the arc that rounds off the corners of this RoundRectangle2D.

getArcHeight

public double getArcHeight()
Returns the height of the arc that rounds off the corners.
Overrides:
getArcHeight in class RoundRectangle2D
Returns:
the height of the arc that rounds off the corners of this RoundRectangle2D.

isEmpty

public boolean isEmpty()
Determines whether or not this RoundRectangle2D is empty.
Overrides:
isEmpty in class RectangularShape
Returns:
true if this RoundRectangle2D is empty; false othwerwise.

setRoundRect

public void setRoundRect(double x,
                         double y,
                         double w,
                         double h,
                         double arcw,
                         double arch)
Sets the location, size, and arc radii of this RoundRectangle2D to the specified double values.
Overrides:
setRoundRect in class RoundRectangle2D
Parameters:
x, y - the coordinates to which to set the location of this RoundRectangle2D
w - the width to which to set this RoundRectangle2D
h - the height to which to set this RoundRectangle2D
arcw - the width to which to set the arc of this RoundRectangle2D
arch - the height to which to set the arc of this RoundRectangle2D

setRoundRect

public void setRoundRect(RoundRectangle2D rr)
Sets this RoundRectangle2D to be the same as the specified RoundRectangle2D.
Overrides:
setRoundRect in class RoundRectangle2D
Parameters:
rr - the specified RoundRectangle2D

getBounds2D

public Rectangle2D getBounds2D()
Returns the high precision bounding box of this RoundRectangle2D.
Returns:
a Rectangle2D that is the bounding box of this RoundRectangle2D.
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