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Class Arc2D.Float

java.lang.Object
java.awt.geom.RectangularShape
java.awt.geom.Arc2D
java.awt.geom.Arc2D.Float
All Implemented Interfaces:
Shape, Serializable, Cloneable
Enclosing class:
Arc2D
public static class Arc2D.Float extends Arc2D implements Serializable
This class defines an arc specified in float precision.
Since:
1.2
See Also:
  • Serialized Form

Nested Class Summary

Nested classes/interfaces declared in class Arc2D

Arc2D.Double, Arc2D.Float
Modifier and Type Class Description
static class  Arc2D.Double
This class defines an arc specified in double precision.
static class  Arc2D.Float
This class defines an arc specified in float precision.

Field Summary

Modifier and Type Field Description
float extent
The angular extent of the arc in degrees.
float height
The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
float start
The starting angle of the arc in degrees.
float width
The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
float x
The X coordinate of the upper-left corner of the framing rectangle of the arc.
float y
The Y coordinate of the upper-left corner of the framing rectangle of the arc.

Fields declared in class Arc2D

CHORD, OPEN, PIE
Modifier and Type Field Description
static final int CHORD
The closure type for an arc closed by drawing a straight line segment from the start of the arc segment to the end of the arc segment.
static final int OPEN
The closure type for an open arc with no path segments connecting the two ends of the arc segment.
static final int PIE
The closure type for an arc closed by drawing straight line segments from the start of the arc segment to the center of the full ellipse and from that point to the end of the arc segment.

Constructor Summary

Constructor Description
Float()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
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.
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.
Float(Rectangle2D ellipseBounds, float start, float extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.

Method Summary

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 precision.
double getWidth()
Returns the width of the framing rectangle in double precision.
double getX()
Returns the X coordinate of the upper-left corner of the framing rectangle in double precision.
double getY()
Returns the Y coordinate of the upper-left corner of the framing rectangle in double precision.
boolean isEmpty()
Determines whether the RectangularShape is empty.
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.
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 Arc2D

contains, contains, contains, containsAngle, equals, getArcType, getBounds, getBounds2D, getEndPoint, getPathIterator, getStartPoint, hashCode, intersects, setAngles, setAngles, setAngleStart, setArc, setArc, setArc, setArcByCenter, setArcByTangent, setArcType, setFrame
Modifier and Type Method Description
boolean contains(double x, double y)
Determines whether or not the specified point is inside the boundary of the arc.
boolean contains(double x, double y, double w, double h)
Determines whether or not the interior of the arc entirely contains the specified rectangle.
boolean contains(Rectangle2D r)
Determines whether or not the interior of the arc entirely contains the specified rectangle.
boolean containsAngle(double angle)
Determines whether or not the specified angle is within the angular extents of the arc.
boolean equals(Object obj)
Determines whether or not the specified Object is equal to this Arc2D.
int getArcType()
Returns the arc closure type of the arc: Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
Rectangle getBounds()
Returns an integer Rectangle that completely encloses the Shape.
Rectangle2D getBounds2D()
Returns a high precision and more accurate bounding box of the Shape than the getBounds method.
Point2D getEndPoint()
Returns the ending point of the arc.
PathIterator getPathIterator(AffineTransform at)
Returns an iteration object that defines the boundary of the arc.
Point2D getStartPoint()
Returns the starting point of the arc.
int hashCode()
Returns the hashcode for this Arc2D.
boolean intersects(double x, double y, double w, double h)
Determines whether or not the interior of the arc intersects the interior of the specified rectangle.
void setAngles(double x1, double y1, double x2, double y2)
Sets the starting angle and angular extent of this arc using two sets of coordinates.
void setAngles(Point2D p1, Point2D p2)
Sets the starting angle and angular extent of this arc using two points.
void setAngleStart(Point2D p)
Sets the starting angle of this arc to the angle that the specified point defines relative to the center of this arc.
void setArc(Arc2D a)
Sets this arc to be the same as the specified arc.
void setArc(Point2D loc, Dimension2D size, double angSt, double angExt, int closure)
Sets the location, size, angular extents, and closure type of this arc to the specified values.
void setArc(Rectangle2D rect, double angSt, double angExt, int closure)
Sets the location, size, angular extents, and closure type of this arc to the specified values.
void setArcByCenter(double x, double y, double radius, double angSt, double angExt, int closure)
Sets the position, bounds, angular extents, and closure type of this arc to the specified values.
void setArcByTangent(Point2D p1, Point2D p2, Point2D p3, double radius)
Sets the position, bounds, and angular extents of this arc to the specified value.
void setArcType(int type)
Sets the closure type of this arc to the specified value: OPEN, CHORD, or PIE.
void setFrame(double x, double y, double w, double h)
Sets the location and size of the framing rectangle of this Shape to the specified rectangular values.

Methods declared in class RectangularShape

clone, contains, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, getPathIterator, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal
Modifier and Type Method Description
Object clone()
Creates a new object of the same class and with the same contents as this object.
boolean contains(Point2D p)
Tests if a specified Point2D is inside the boundary of the Shape, as described by the definition of insideness.
double getCenterX()
Returns the X coordinate of the center of the framing rectangle of the Shape in double precision.
double getCenterY()
Returns the Y coordinate of the center of the framing rectangle of the Shape in double precision.
Rectangle2D getFrame()
Returns the framing Rectangle2D that defines the overall shape of this object.
double getMaxX()
Returns the largest X coordinate of the framing rectangle of the Shape in double precision.
double getMaxY()
Returns the largest Y coordinate of the framing rectangle of the Shape in double precision.
double getMinX()
Returns the smallest X coordinate of the framing rectangle of the Shape in double precision.
double getMinY()
Returns the smallest Y coordinate of the framing rectangle of the Shape in double precision.
PathIterator getPathIterator(AffineTransform at, double flatness)
Returns an iterator object that iterates along the Shape object's boundary and provides access to a flattened view of the outline of the Shape object's geometry.
boolean intersects(Rectangle2D r)
Tests if the interior of the Shape intersects the interior of a specified Rectangle2D.
void setFrame(Point2D loc, Dimension2D size)
Sets the location and size of the framing rectangle of this Shape to the specified Point2D and Dimension2D, respectively.
void setFrame(Rectangle2D r)
Sets the framing rectangle of this Shape to be the specified Rectangle2D.
void setFrameFromCenter(double centerX, double centerY, double cornerX, double cornerY)
Sets the framing rectangle of this Shape based on the specified center point coordinates and corner point coordinates.
void setFrameFromCenter(Point2D center, Point2D corner)
Sets the framing rectangle of this Shape based on a specified center Point2D and corner Point2D.
void setFrameFromDiagonal(double x1, double y1, double x2, double y2)
Sets the diagonal of the framing rectangle of this Shape based on the two specified coordinates.
void setFrameFromDiagonal(Point2D p1, Point2D p2)
Sets the diagonal of the framing rectangle of this Shape based on two specified Point2D objects.

Methods declared in class Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Modifier and Type Method Description
protected void finalize()
Deprecated, for removal: This API element is subject to removal in a future version.
Finalization is deprecated and subject to removal in a future release.
final Class<?> getClass()
Returns the runtime class of this Object.
final void notify()
Wakes up a single thread that is waiting on this object's monitor.
final void notifyAll()
Wakes up all threads that are waiting on this object's monitor.
String toString()
Returns a string representation of the object.
final void wait()
Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

x

public float x
The X coordinate of the upper-left corner of the framing rectangle of the arc.
Since:
1.2

y

public float y
The Y coordinate of the upper-left corner of the framing rectangle of the arc.
Since:
1.2

width

public float 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 float 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 float start
The starting angle of the arc in degrees.
Since:
1.2

extent

public float extent
The angular extent of the arc in degrees.
Since:
1.2

Constructor Details

Float

public Float()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
Since:
1.2

Float

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.
Parameters:
type - The closure type for the arc: Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
Since:
1.2

Float

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.
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, or Arc2D.PIE.
Since:
1.2

Float

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.
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, or Arc2D.PIE.
Since:
1.2

Method Details

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 class RectangularShape
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 class RectangularShape
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 class RectangularShape
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 class RectangularShape
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 class Arc2D
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 class Arc2D
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 class RectangularShape
Returns:
true if the RectangularShape 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 class Arc2D
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, or Arc2D.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 class Arc2D
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 class Arc2D
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 class Arc2D
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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