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java.awt.geom
Class Arc2D.Float

java.lang.Object
  |
  +--java.awt.geom.RectangularShape
        |
        +--java.awt.geom.Arc2D
              |
              +--java.awt.geom.Arc2D.Float
Enclosing class:
Arc2D
public static class Arc2D.Float
extends Arc2D

An arc specified in float precision,

Inner classes inherited from class java.awt.geom.Arc2D
Arc2D.Double, Arc2D.Float
 
Field Summary
 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 arc.
 float y
          The y coordinate of the upper left corner of the arc.
 
Fields inherited from class java.awt.geom.Arc2D
CHORD, OPEN, PIE
 
Constructor Summary
Arc2D.Float()
          Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
Arc2D.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.
Arc2D.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.
Arc2D.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
 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)
          Return 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, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, 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
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

x

public float x
The x coordinate of the upper left corner of the arc.

y

public float y
The y coordinate of the upper left corner of the arc.

width

public float width
The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).

height

public float height
The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).

start

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

extent

public float extent
The angular extent of the arc in degrees.
Constructor Detail

Arc2D.Float

public Arc2D.Float()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).

Arc2D.Float

public Arc2D.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: OPEN, CHORD, or PIE.

Arc2D.Float

public Arc2D.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, y - The coordinates of the upper left corner of the arc. (Specified in float precision.)
w - The overall width of the full ellipse of which this arc is a partial section. (Specified in float precision.)
h - The overall height of the full ellipse of which this arc is a partial section. (Specified in float precision.)
start - The starting angle of the arc in degrees. (Specified in float precision.)
extent - The angular extent of the arc in degrees. (Specified in float precision.)
type - The closure type for the arc: OPEN, CHORD, or PIE.

Arc2D.Float

public Arc2D.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 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 float precision.)
extent - The angular extent of the arc in degrees. (Specified in float precision.)
type - The closure type for the arc: OPEN, CHORD, or PIE.
Method Detail

getX

public double getX()
Returns the x coordinate of the upper left corner of the arc.
Overrides:
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.
Overrides:
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
Overrides:
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
Overrides:
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.
Overrides:
getAngleStart in class Arc2D
Returns:
A double value that represents the starting angle of the arc in degrees.

getAngleExtent

public double getAngleExtent()
Returns the angular extent of the arc.
Overrides:
getAngleExtent in class Arc2D
Returns:
A double value that represents the angular extent of the arc in degrees.

isEmpty

public boolean isEmpty()
Determines whether the arc is empty.
Overrides:
isEmpty in class RectangularShape
Returns:
true if the arc is empty, false if it is 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.
Overrides:
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.
Overrides:
setAngleStart in class Arc2D
Parameters:
angSt - The starting angle of the arc in degrees.

setAngleExtent

public void setAngleExtent(double angExt)
Sets the angular extent of this arc to the specified double value.
Overrides:
setAngleExtent in class Arc2D
Parameters:
angExt - The angular extent of the arc in degrees.

makeBounds

protected Rectangle2D makeBounds(double x,
                                 double y,
                                 double w,
                                 double h)
Return the high-precision bounding box of the arc.
Overrides:
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.
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