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java.awt.geom
Class Rectangle2D.Double
java.lang.Object
java.awt.geom.RectangularShape
java.awt.geom.Rectangle2D
java.awt.geom.Rectangle2D.Double
-
All Implemented Interfaces:
-
Shape
,
Serializable
,
Cloneable
-
Enclosing class:
-
Rectangle2D
-
public static class Rectangle2D.Double
- extends Rectangle2D
implements
Serializable
The Double class defines a rectangle specified in double coordinates.
-
Since:
-
1.2
-
See Also:
-
Serialized Form
Field Summary
|
double |
height
The height of this Rectangle2D. |
double |
width
The width of this Rectangle2D. |
double |
x
The
X
x
coordinate of this Rectangle2D. |
double |
y
The
Y
y
coordinate of this Rectangle2D. |
Constructor Summary
|
Rectangle2D.Double
()
Constructs a new Rectangle2D, initialized to location (0, 0) and size (0, 0). |
Rectangle2D.Double
(double x, double y, double w, double h)
Constructs and initializes a Rectangle2D from the specified double coordinates. |
Method Summary
|
Rectangle2D
|
createIntersection
(
Rectangle2D
Returns a new Rectangle2D object representing the intersection of this Rectangle2D with the specified Rectangle2D. |
Rectangle2D
|
createUnion
(
Rectangle2D
Returns a new Rectangle2D object representing the union of this Rectangle2D with the specified Rectangle2D. |
Rectangle2D
|
getBounds2D
()
Returns
a
the
high precision
and more accurate
bounding box of
the Shape than the getBounds method.
this Rectangle2D.
|
double |
getHeight
()
Returns the height of
the framing rectangle
this Rectangle2D
in double precision. |
double |
getWidth
()
Returns the width of
the framing rectangle
this Rectangle2D
in double precision. |
double |
getX
()
Returns the X coordinate of
the upper-left corner of the framing rectangle
this Rectangle2D
in double precision. |
double |
getY
()
Returns the Y coordinate of
the upper-left corner of the framing rectangle
this Rectangle2D
in double precision. |
boolean |
isEmpty
()
Determines whether
the RectangularShape
or not this Rectangle2D
is empty. |
int |
outcode
(double x, double y)
Determines where the specified
double
coordinates lie with respect to this Rectangle2D. |
void |
setRect
(double x, double y, double w, double h)
Sets the location and size of this Rectangle2D to the specified double values. |
void |
setRect
(
Rectangle2D
r)
Sets this Rectangle2D to be the same as the specified Rectangle2D. |
String
|
toString
()
Returns the String representation of this Rectangle2D. |
Methods inherited from class java.awt.geom.
Rectangle2D
|
add
,
add
,
add
,
contains
,
contains
,
equals
,
getPathIterator
,
getPathIterator
,
hashCode
,
intersect
,
intersects
,
intersectsLine
,
intersectsLine
,
outcode
,
setFrame
,
union
|
Methods inherited from class java.awt.geom.
RectangularShape
|
clone
,
contains
,
contains
,
getBounds
,
getCenterX
,
getCenterY
,
getFrame
,
getMaxX
,
getMaxY
,
getMinX
,
getMinY
,
intersects
,
setFrame
,
setFrame
,
setFrameFromCenter
,
setFrameFromCenter
,
setFrameFromDiagonal
,
setFrameFromDiagonal
|
x
public double x
-
The
X
x
coordinate of this Rectangle2D.
-
Since:
-
1.2
y
public double y
-
The
Y
y
coordinate of this Rectangle2D.
-
Since:
-
1.2
width
public double width
-
The width of this Rectangle2D.
-
Since:
-
1.2
height
public double height
-
The height of this Rectangle2D.
-
Since:
-
1.2
Rectangle2D.Double
public Rectangle2D.Double()
-
Constructs a new Rectangle2D, initialized to location (0, 0) and size (0, 0).
-
Since:
-
1.2
Rectangle2D.Double
public Rectangle2D.Double(double x,
double y,
double w,
double h)
-
Constructs and initializes a Rectangle2D from the specified double coordinates.
-
Parameters:
-
x
x, y
- the
X coordinate
coordinates
of the
upper-left
upper left
corner of the newly constructed Rectangle2D -
y
w
- the
Y coordinate
width
of the
upper-left corner of the
newly constructed Rectangle2D -
w - the width of the newly constructed Rectangle2D
-
h - the height of the newly constructed Rectangle2D
-
Since:
-
1.2
getX
public double getX()
-
Returns the X coordinate of
the upper-left corner of the framing rectangle
this Rectangle2D
in double precision.
-
-
Specified by:
-
getX
in class
RectangularShape
-
-
Returns:
-
the X coordinate of the upper-left corner of the framing rectangle.
the X coordinate of this Rectangle2D.
-
Since:
-
1.2
getY
public double getY()
-
Returns the Y coordinate of
the upper-left corner of the framing rectangle
this Rectangle2D
in double precision.
-
-
Specified by:
-
getY
in class
RectangularShape
-
-
Returns:
-
the Y coordinate of the upper-left corner of the framing rectangle.
the Y coordinate of this Rectangle2D.
-
Since:
-
1.2
getWidth
public double getWidth()
-
Returns the width of
the framing rectangle
this Rectangle2D
in double precision.
-
-
Specified by:
-
getWidth
in class
RectangularShape
-
-
Returns:
-
the width of
the framing rectangle.
this Rectangle2D.
-
Since:
-
1.2
getHeight
public double getHeight()
-
Returns the height of
the framing rectangle
this Rectangle2D
in double precision.
-
-
Specified by:
-
getHeight
in class
RectangularShape
-
-
Returns:
-
the height of
the framing rectangle.
this Rectangle2D.
-
Since:
-
1.2
isEmpty
public boolean isEmpty()
-
Determines whether the RectangularShape is empty. When the RectangularShape is empty, it encloses no area.
Determines whether or not this Rectangle2D is empty.
-
-
Specified by:
-
isEmpty
in class
RectangularShape
-
-
Returns:
-
true if
the RectangularShape
this Rectangle2D
is empty; false otherwise. -
Since:
-
1.2
setRect
public void setRect(double x,
double y,
double w,
double h)
-
Sets the location and size of this Rectangle2D to the specified double values.
-
-
Specified by:
-
setRect
in class
Rectangle2D
-
-
Parameters:
-
x
x, y
- the
X coordinate of
coordinates to which to set
the
upper-left
upper left
corner of this Rectangle2D -
y - the Y coordinate of the upper-left corner of this Rectangle2D
w - the value to use to set the width of this Rectangle2D
-
w
h
- the
width of this Rectangle2D
-
h -
value to use to set
the height of this Rectangle2D -
Since:
-
1.2
setRect
public void setRect(Rectangle2D r)
-
Sets this Rectangle2D to be the same as the specified Rectangle2D.
-
-
Overrides:
-
setRect
in class
Rectangle2D
-
-
Parameters:
-
r - the specified Rectangle2D
-
Since:
-
1.2
outcode
public int outcode(double x,
double y)
-
Determines where the specified
double
coordinates lie with respect to this Rectangle2D. This method computes a binary OR of the appropriate mask values indicating, for each side of this Rectangle2D, whether or not the specified coordinates are on the same side of the edge as the rest of this Rectangle2D.
-
-
Specified by:
-
outcode
in class
Rectangle2D
-
-
Parameters:
-
x - the specified X coordinate
-
y - the specified Y coordinate
x, y - the specified coordinates
-
Returns:
-
the logical OR of all appropriate out codes.
-
Since:
-
1.2
-
See Also:
-
Rectangle2D.OUT_LEFT
,
Rectangle2D.OUT_TOP
,
Rectangle2D.OUT_RIGHT
,
Rectangle2D.OUT_BOTTOM
getBounds2D
public Rectangle2D getBounds2D()
-
Returns a high precision and more accurate bounding box of the Shape than the getBounds method. Note that there is no guarantee that the returned
Rectangle2D
is the smallest bounding box that encloses the Shape, only that the Shape lies entirely within the indicated Rectangle2D. The bounding box returned by this method is usually tighter than that returned by the getBounds method and never fails due to overflow problems since the return value can be an instance of the Rectangle2D that uses double precision values to store the dimensions.
Returns the high precision bounding box of this Rectangle2D.
-
-
Specified by:
-
getBounds2D
in interface
Shape
-
Overrides:
-
getBounds2D
in class
Rectangle2D
-
-
Returns:
-
an instance of Rectangle2D that is a high-precision bounding box of the Shape.
the bounding box of this Rectangle2D.
-
Since:
-
1.2
-
See Also:
-
Shape.getBounds()
createIntersection
public Rectangle2D createIntersection(Rectangle2D r)
-
Returns a new Rectangle2D object representing the intersection of this Rectangle2D with the specified Rectangle2D.
-
-
Specified by:
-
createIntersection
in class
Rectangle2D
-
-
Parameters:
-
r - the Rectangle2D to be intersected with this Rectangle2D
-
Returns:
-
the largest Rectangle2D contained in both the specified Rectangle2D and in this Rectangle2D.
-
Since:
-
1.2
createUnion
public Rectangle2D createUnion(Rectangle2D r)
-
Returns a new Rectangle2D object representing the union of this Rectangle2D with the specified Rectangle2D.
-
-
Specified by:
-
createUnion
in class
Rectangle2D
-
-
Parameters:
-
r - the Rectangle2D to be combined with this Rectangle2D
-
Returns:
-
the smallest Rectangle2D containing both the specified Rectangle2D and this Rectangle2D.
-
Since:
-
1.2
toString
public String toString()
-
Returns the String representation of this Rectangle2D.
-
-
Overrides:
-
toString
in class
Object
-
-
Returns:
-
a String representing this Rectangle2D.
-
Since:
-
1.2