Class Arc2D.Double
- java.lang.Object
-
- java.awt.geom.RectangularShape
-
- java.awt.geom.Arc2D
-
- java.awt.geom.Arc2D.Double
- All Implemented Interfaces:
-
Shape
,Serializable
,Cloneable
- Enclosing class:
- Arc2D
public static class Arc2D.Double extends Arc2D implements Serializable
This class defines an arc specified in double
precision.
- Since:
- 1.2
- See Also:
- Serialized Form
Nested Classes
Nested classes/interfaces declared in class java.awt.geom.Arc2D
Arc2D.Double, Arc2D.Float
Fields
Modifier and Type | Field | Description |
---|---|---|
double | extent | The angular extent of the arc in degrees. |
double | height | The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents). |
double | start | The starting angle of the arc in degrees. |
double | width | The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents). |
double | x | The X coordinate of the upper-left corner of the framing rectangle of the arc. |
double | y | The Y coordinate of the upper-left corner of the framing rectangle of the arc. |
Fields declared in class java.awt.geom.Arc2D
CHORD, OPEN, PIE
Constructors
Constructor | Description |
---|---|
Double() | Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0). |
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. |
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. |
Double(Rectangle2D ellipseBounds,
double start,
double extent,
int type) | Constructs a new arc, initialized to the specified location, size, angular extents, and closure type. |
Methods
Modifier and Type | Method | Description |
---|---|---|
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 framing rectangle in |
double | getWidth() | Returns the width of the framing rectangle in |
double | getX() | Returns the X coordinate of the upper-left corner of the framing rectangle in |
double | getY() | Returns the Y coordinate of the upper-left corner of the framing rectangle in |
boolean | isEmpty() | Determines whether the |
protected Rectangle2D | makeBounds(double x,
double y,
double w,
double h) | Constructs a |
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 declared in 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 declared in class java.awt.geom.RectangularShape
clone, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, getPathIterator, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal
Methods declared in class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Fields
x
public double x
The X coordinate of the upper-left corner of the framing rectangle of the arc.
- Since:
- 1.2
y
public double y
The Y coordinate of the upper-left corner of the framing rectangle of the arc.
- Since:
- 1.2
width
public double width
The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
- Since:
- 1.2
height
public double height
The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
- Since:
- 1.2
start
public double start
The starting angle of the arc in degrees.
- Since:
- 1.2
extent
public double extent
The angular extent of the arc in degrees.
- Since:
- 1.2
Constructors
Double
public Double()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
- Since:
- 1.2
Double
public 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:Arc2D.OPEN
,Arc2D.CHORD
, orArc2D.PIE
. - Since:
- 1.2
Double
public 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
- The X coordinate of the upper-left corner of the arc's framing rectangle. -
y
- The Y coordinate of the upper-left corner of the arc's framing rectangle. -
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. -
start
- The starting angle of the arc in degrees. -
extent
- The angular extent of the arc in degrees. -
type
- The closure type for the arc:Arc2D.OPEN
,Arc2D.CHORD
, orArc2D.PIE
. - Since:
- 1.2
Double
public 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 framing 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. -
extent
- The angular extent of the arc in degrees. -
type
- The closure type for the arc:Arc2D.OPEN
,Arc2D.CHORD
, orArc2D.PIE
. - Since:
- 1.2
Methods
getX
public double getX()
Returns the X coordinate of the upper-left corner of the framing rectangle in double
precision. Note that the arc partially inscribes the framing rectangle of this RectangularShape
.
- Specified by:
-
getX
in classRectangularShape
- Returns:
- the X coordinate of the upper-left corner of the framing rectangle.
- Since:
- 1.2
getY
public double getY()
Returns the Y coordinate of the upper-left corner of the framing rectangle in double
precision. Note that the arc partially inscribes the framing rectangle of this RectangularShape
.
- Specified by:
-
getY
in classRectangularShape
- Returns:
- the Y coordinate of the upper-left corner of the framing rectangle.
- Since:
- 1.2
getWidth
public double getWidth()
Returns the width of the framing rectangle in double
precision. Note that the arc partially inscribes the framing rectangle of this RectangularShape
.
- Specified by:
-
getWidth
in classRectangularShape
- Returns:
- the width of the framing rectangle.
- Since:
- 1.2
getHeight
public double getHeight()
Returns the height of the framing rectangle in double
precision. Note that the arc partially inscribes the framing rectangle of this RectangularShape
.
- Specified by:
-
getHeight
in classRectangularShape
- Returns:
- the height of the framing rectangle.
- Since:
- 1.2
getAngleStart
public double getAngleStart()
Returns the starting angle of the arc.
- Specified by:
-
getAngleStart
in classArc2D
- Returns:
- A double value that represents the starting angle of the arc in degrees.
- Since:
- 1.2
- See Also:
Arc2D.setAngleStart(double)
getAngleExtent
public double getAngleExtent()
Returns the angular extent of the arc.
- Specified by:
-
getAngleExtent
in classArc2D
- Returns:
- A double value that represents the angular extent of the arc in degrees.
- Since:
- 1.2
- See Also:
Arc2D.setAngleExtent(double)
isEmpty
public boolean isEmpty()
Determines whether the RectangularShape
is empty. When the RectangularShape
is empty, it encloses no area.
- Specified by:
-
isEmpty
in classRectangularShape
- Returns:
-
true
if theRectangularShape
is empty;false
otherwise. - Since:
- 1.2
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 classArc2D
- Parameters:
-
x
- The X coordinate of the upper-left corner of the arc. -
y
- The Y coordinate 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:Arc2D.OPEN
,Arc2D.CHORD
, orArc2D.PIE
. - Since:
- 1.2
setAngleStart
public void setAngleStart(double angSt)
Sets the starting angle of this arc to the specified double value.
- Specified by:
-
setAngleStart
in classArc2D
- Parameters:
-
angSt
- The starting angle of the arc in degrees. - Since:
- 1.2
- See Also:
Arc2D.getAngleStart()
setAngleExtent
public void setAngleExtent(double angExt)
Sets the angular extent of this arc to the specified double value.
- Specified by:
-
setAngleExtent
in classArc2D
- Parameters:
-
angExt
- The angular extent of the arc in degrees. - Since:
- 1.2
- See Also:
Arc2D.getAngleExtent()
makeBounds
protected Rectangle2D makeBounds(double x, double y, double w, double h)
Constructs a Rectangle2D
of the appropriate precision to hold the parameters calculated to be the framing rectangle of this arc.
- Specified by:
-
makeBounds
in classArc2D
- Parameters:
-
x
- The X coordinate of the upper-left corner of the framing rectangle. -
y
- The Y coordinate of the upper-left corner of the framing rectangle. -
w
- The width of the framing rectangle. -
h
- The height of the framing rectangle. - Returns:
- a
Rectangle2D
that is the framing rectangle of this arc. - Since:
- 1.2
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