public static class Arc2D.Float extends Arc2D implements Serializable
This class defines an arc specified in float
precision.
Arc2D.Double, Arc2D.Float
public float x
The X coordinate of the upper-left corner of the framing rectangle of the arc.
public float y
The Y coordinate of the upper-left corner of the framing rectangle of the arc.
public float width
The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
public float height
The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
public float start
The starting angle of the arc in degrees.
public float extent
The angular extent of the arc in degrees.
public Float()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
public Float(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.
type
- The closure type for the arc: Arc2D.OPEN
, Arc2D.CHORD
, or Arc2D.PIE
.public Float(float x, float y, float w, float h, float start, float extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.
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
, or Arc2D.PIE
.public Float(Rectangle2D ellipseBounds, float start, float extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.
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
, or Arc2D.PIE
.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
.
getX
in class RectangularShape
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
.
getY
in class RectangularShape
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
.
getWidth
in class RectangularShape
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
.
getHeight
in class RectangularShape
public double getAngleStart()
Returns the starting angle of the arc.
getAngleStart
in class Arc2D
Arc2D.setAngleStart(double)
public double getAngleExtent()
Returns the angular extent of the arc.
getAngleExtent
in class Arc2D
Arc2D.setAngleExtent(double)
public boolean isEmpty()
Determines whether the RectangularShape
is empty. When the RectangularShape
is empty, it encloses no area.
isEmpty
in class RectangularShape
true
if the RectangularShape
is empty; false
otherwise.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.
setArc
in class Arc2D
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
, or Arc2D.PIE
.public void setAngleStart(double angSt)
Sets the starting angle of this arc to the specified double value.
setAngleStart
in class Arc2D
angSt
- The starting angle of the arc in degrees.Arc2D.getAngleStart()
public void setAngleExtent(double angExt)
Sets the angular extent of this arc to the specified double value.
setAngleExtent
in class Arc2D
angExt
- The angular extent of the arc in degrees.Arc2D.getAngleExtent()
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.
makeBounds
in class Arc2D
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.Rectangle2D
that is the framing rectangle of this arc.
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