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java.awt.geom
Class Arc2D.Double
java.lang.Object
java.awt.geom.RectangularShape
java.awt.geom.Arc2D
java.awt.geom.Arc2D.Double
-
All Implemented Interfaces:
-
Shape
,
Cloneable
-
Enclosing class:
-
Arc2D
-
public static class Arc2D.Double
- extends Arc2D
This class defines an arc specified in double precision.
Field Summary
|
double |
extent
The angular extent of the arc in degrees. |
double |
height
The overall height of the full ellipse (not considering the angular extents). |
double |
start
The starting angle of the arc in degrees. |
double |
width
The overall width of the full ellipse (not considering the angular extents). |
double |
x
The x coordinate of the upper left corner of the arc. |
double |
y
The y coordinate of the upper left corner of the arc. |
Constructor Summary
|
Arc2D.Double
()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0). |
Arc2D.Double
(double x, double y, double w, double h, double start, double extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type. |
Arc2D.Double
(int type)
Constructs a new arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0), and the specified closure type. |
Arc2D.Double
(
Rectangle2D
ellipseBounds, double start, double extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type. |
Method Summary
|
double |
getAngleExtent
()
Returns the angular extent of the arc. |
double |
getAngleStart
()
Returns the starting angle of the arc. |
double |
getHeight
()
Returns the height of the ellipse of which this arc is a partial section. |
double |
getWidth
()
Returns the width of the ellipse of which this arc is a partial section. |
double |
getX
()
Returns the x coordinate of the upper left corner of the arc. |
double |
getY
()
Returns the y coordinate of the upper left corner of the arc. |
boolean |
isEmpty
()
Determines whether the arc is empty. |
protected
Rectangle2D
|
makeBounds
(double x, double y, double w, double h)
Returns the high-precision bounding box of the arc. |
void |
setAngleExtent
(double angExt)
Sets the angular extent of this arc to the specified double value. |
void |
setAngleStart
(double angSt)
Sets the starting angle of this arc to the specified double value. |
void |
setArc
(double x, double y, double w, double h, double angSt, double angExt, int closure)
Sets the location, size, angular extents, and closure type of this arc to the specified double values. |
Methods inherited from class java.awt.geom.
Arc2D
|
contains
,
contains
,
contains
,
containsAngle
,
equals
,
getArcType
,
getBounds2D
,
getEndPoint
,
getPathIterator
,
getStartPoint
,
hashCode
,
intersects
,
setAngles
,
setAngles
,
setAngleStart
,
setArc
,
setArc
,
setArc
,
setArcByCenter
,
setArcByTangent
,
setArcType
,
setFrame
|
Methods inherited from class java.awt.geom.
RectangularShape
|
clone
,
contains
,
getBounds
,
getCenterX
,
getCenterY
,
getFrame
,
getMaxX
,
getMaxY
,
getMinX
,
getMinY
,
getPathIterator
,
intersects
,
setFrame
,
setFrame
,
setFrameFromCenter
,
setFrameFromCenter
,
setFrameFromDiagonal
,
setFrameFromDiagonal
|
x
public double x
-
The x coordinate of the upper left corner of the arc.
y
public double y
-
The y coordinate of the upper left corner of the arc.
width
public double width
-
The overall width of the full ellipse (not considering the angular extents).
height
public double height
-
The overall height of the full ellipse (not considering the angular extents).
start
public double start
-
The starting angle of the arc in degrees.
extent
public double extent
-
The angular extent of the arc in degrees.
Arc2D.Double
public Arc2D.Double()
-
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
Arc2D.Double
public Arc2D.Double(int type)
-
Constructs a new arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0), and the specified closure type.
-
Parameters:
-
type - The closure type for the arc:
OPEN
,
CHORD
, or
PIE
.
Arc2D.Double
public Arc2D.Double(double x,
double y,
double w,
double h,
double start,
double extent,
int type)
-
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.
-
Parameters:
-
x, y - The coordinates of the upper left corner of the arc. (Specified in double precision.)
-
w - The overall width of the full ellipse of which this arc is a partial section. (Specified in double precision.)
-
h - The overall height of the full ellipse of which this arc is a partial section. (Specified in double precision.)
-
start - The starting angle of the arc in degrees. (Specified in double precision.)
-
extent - The angular extent of the arc in degrees. (Specified in double precision.)
-
type - The closure type for the arc:
OPEN
,
CHORD
, or
PIE
.
Arc2D.Double
public Arc2D.Double(Rectangle2D ellipseBounds,
double start,
double extent,
int type)
-
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.
-
Parameters:
-
ellipseBounds - The bounding rectangle that defines the outer boundary of the full ellipse of which this arc is a partial section.
-
start - The starting angle of the arc in degrees. (Specified in double precision.)
-
extent - The angular extent of the arc in degrees. (Specified in double precision.)
-
type - The closure type for the arc:
OPEN
,
CHORD
, or
PIE
.
getX
public double getX()
-
Returns the x coordinate of the upper left corner of the arc.
-
-
Specified by:
-
getX
in class
RectangularShape
-
-
Returns:
-
The x coordinate of arc's upper left coordinate in double precision.
getY
public double getY()
-
Returns the y coordinate of the upper left corner of the arc.
-
-
Specified by:
-
getY
in class
RectangularShape
-
-
Returns:
-
The y coordinate of arc's upper left coordinate in double precision.
getWidth
public double getWidth()
-
Returns the width of the ellipse of which this arc is a partial section.
-
-
Specified by:
-
getWidth
in class
RectangularShape
-
-
Returns:
-
A double value that represents the width of the full ellipse of which this arc is a partial section.
getHeight
public double getHeight()
-
Returns the height of the ellipse of which this arc is a partial section.
-
-
Specified by:
-
getHeight
in class
RectangularShape
-
-
Returns:
-
A double value that represents the height of the full ellipse of which this arc is a partial section.
getAngleStart
public double getAngleStart()
-
Returns the starting angle of the arc.
-
-
Specified by:
-
getAngleStart
in class
Arc2D
-
-
Returns:
-
a double value that represents the starting angle of the arc in degrees.
-
See Also:
-
setAngleStart(double)
getAngleExtent
public double getAngleExtent()
-
Returns the angular extent of the arc.
-
-
Specified by:
-
getAngleExtent
in class
Arc2D
-
-
Returns:
-
A double value that represents the angular extent of the arc in degrees.
-
See Also:
-
setAngleExtent(double)
isEmpty
public boolean isEmpty()
-
Determines whether the arc is empty.
-
-
Specified by:
-
isEmpty
in class
RectangularShape
-
-
Returns:
-
true if the arc is empty, false if it not.
setArc
public void setArc(double x,
double y,
double w,
double h,
double angSt,
double angExt,
int closure)
-
Sets the location, size, angular extents, and closure type of this arc to the specified double values.
-
-
Specified by:
-
setArc
in class
Arc2D
-
-
Parameters:
-
x, y - The coordinates of the upper left corner of the arc.
-
w - The overall width of the full ellipse of which this arc is a partial section.
-
h - The overall height of the full ellipse of which this arc is a partial section.
-
angSt - The starting angle of the arc in degrees.
-
angExt - The angular extent of the arc in degrees.
-
closure - The closure type for the arc:
OPEN
,
CHORD
, or
PIE
.
setAngleStart
public void setAngleStart(double angSt)
-
Sets the starting angle of this arc to the specified double value.
-
-
Specified by:
-
setAngleStart
in class
Arc2D
-
-
Parameters:
-
angSt - The starting angle of the arc in degrees.
-
See Also:
-
getAngleStart()
setAngleExtent
public void setAngleExtent(double angExt)
-
Sets the angular extent of this arc to the specified double value.
-
-
Specified by:
-
setAngleExtent
in class
Arc2D
-
-
Parameters:
-
angExt - The angular extent of the arc in degrees.
-
See Also:
-
getAngleExtent()
makeBounds
protected Rectangle2D makeBounds(double x,
double y,
double w,
double h)
-
Returns the high-precision bounding box of the arc.
-
-
Specified by:
-
makeBounds
in class
Arc2D
-
-
Parameters:
-
x, y - The coordinates of the upper left corner of the arc.
-
w - The overall width of the full ellipse of which this arc is a partial section.
-
h - The overall height of the full ellipse of which this arc is a partial section.
-
Returns:
-
The bounding box as a Rectangle2D object.