Arc2D.Float (Java 2 Platform SE 5.0) (original) (raw)

java.awt.geom

Class Arc2D.Float

java.lang.Object extended by java.awt.geom.RectangularShape java.awt.geom.Arc2D java.awt.geom.Arc2D.Float

All Implemented Interfaces:

Shape, Cloneable

Enclosing class:

Arc2D

public static class Arc2D.Float

extends Arc2D

This class defines an arc specified in float precision.

Nested Class Summary

Nested classes/interfaces 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](../../../java/awt/geom/Arc2D.Float.html#Arc2D.Float%28float, float, float, float, float, float, int%29)(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](../../../java/awt/geom/Arc2D.Float.html#Arc2D.Float%28java.awt.geom.Rectangle2D, float, float, int%29)(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](../../../java/awt/geom/Arc2D.Float.html#makeBounds%28double, double, double, double%29)(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](../../../java/awt/geom/Arc2D.Float.html#setArc%28double, double, double, double, double, double, int%29)(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](../../../java/awt/geom/Arc2D.html#contains%28double, double%29), [contains](../../../java/awt/geom/Arc2D.html#contains%28double, double, double, double%29), contains, containsAngle, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, [intersects](../../../java/awt/geom/Arc2D.html#intersects%28double, double, double, double%29), [setAngles](../../../java/awt/geom/Arc2D.html#setAngles%28double, double, double, double%29), [setAngles](../../../java/awt/geom/Arc2D.html#setAngles%28java.awt.geom.Point2D, java.awt.geom.Point2D%29), setAngleStart, setArc, [setArc](../../../java/awt/geom/Arc2D.html#setArc%28java.awt.geom.Point2D, java.awt.geom.Dimension2D, double, double, int%29), [setArc](../../../java/awt/geom/Arc2D.html#setArc%28java.awt.geom.Rectangle2D, double, double, int%29), [setArcByCenter](../../../java/awt/geom/Arc2D.html#setArcByCenter%28double, double, double, double, double, int%29), [setArcByTangent](../../../java/awt/geom/Arc2D.html#setArcByTangent%28java.awt.geom.Point2D, java.awt.geom.Point2D, java.awt.geom.Point2D, double%29), setArcType, [setFrame](../../../java/awt/geom/Arc2D.html#setFrame%28double, double, double, double%29)

Methods inherited from class java.awt.geom.Arc2D

[contains](../../../java/awt/geom/Arc2D.html#contains%28double, double%29), [contains](../../../java/awt/geom/Arc2D.html#contains%28double, double, double, double%29), contains, containsAngle, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, [intersects](../../../java/awt/geom/Arc2D.html#intersects%28double, double, double, double%29), [setAngles](../../../java/awt/geom/Arc2D.html#setAngles%28double, double, double, double%29), [setAngles](../../../java/awt/geom/Arc2D.html#setAngles%28java.awt.geom.Point2D, java.awt.geom.Point2D%29), setAngleStart, setArc, [setArc](../../../java/awt/geom/Arc2D.html#setArc%28java.awt.geom.Point2D, java.awt.geom.Dimension2D, double, double, int%29), [setArc](../../../java/awt/geom/Arc2D.html#setArc%28java.awt.geom.Rectangle2D, double, double, int%29), [setArcByCenter](../../../java/awt/geom/Arc2D.html#setArcByCenter%28double, double, double, double, double, int%29), [setArcByTangent](../../../java/awt/geom/Arc2D.html#setArcByTangent%28java.awt.geom.Point2D, java.awt.geom.Point2D, java.awt.geom.Point2D, double%29), setArcType, [setFrame](../../../java/awt/geom/Arc2D.html#setFrame%28double, double, double, double%29)

Methods inherited from class java.awt.geom.RectangularShape
clone, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, [getPathIterator](../../../java/awt/geom/RectangularShape.html#getPathIterator%28java.awt.geom.AffineTransform, double%29), intersects, [setFrame](../../../java/awt/geom/RectangularShape.html#setFrame%28java.awt.geom.Point2D, java.awt.geom.Dimension2D%29), setFrame, [setFrameFromCenter](../../../java/awt/geom/RectangularShape.html#setFrameFromCenter%28double, double, double, double%29), [setFrameFromCenter](../../../java/awt/geom/RectangularShape.html#setFrameFromCenter%28java.awt.geom.Point2D, java.awt.geom.Point2D%29), [setFrameFromDiagonal](../../../java/awt/geom/RectangularShape.html#setFrameFromDiagonal%28double, double, double, double%29), [setFrameFromDiagonal](../../../java/awt/geom/RectangularShape.html#setFrameFromDiagonal%28java.awt.geom.Point2D, java.awt.geom.Point2D%29)

Methods inherited from class java.awt.geom.RectangularShape

clone, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, [getPathIterator](../../../java/awt/geom/RectangularShape.html#getPathIterator%28java.awt.geom.AffineTransform, double%29), intersects, [setFrame](../../../java/awt/geom/RectangularShape.html#setFrame%28java.awt.geom.Point2D, java.awt.geom.Dimension2D%29), setFrame, [setFrameFromCenter](../../../java/awt/geom/RectangularShape.html#setFrameFromCenter%28double, double, double, double%29), [setFrameFromCenter](../../../java/awt/geom/RectangularShape.html#setFrameFromCenter%28java.awt.geom.Point2D, java.awt.geom.Point2D%29), [setFrameFromDiagonal](../../../java/awt/geom/RectangularShape.html#setFrameFromDiagonal%28double, double, double, double%29), [setFrameFromDiagonal](../../../java/awt/geom/RectangularShape.html#setFrameFromDiagonal%28java.awt.geom.Point2D, java.awt.geom.Point2D%29)

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, [wait](../../../java/lang/Object.html#wait%28long, int%29)

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.

Specified by:

[getX](../../../java/awt/geom/RectangularShape.html#getX%28%29) in class [RectangularShape](../../../java/awt/geom/RectangularShape.html "class in java.awt.geom")

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](../../../java/awt/geom/RectangularShape.html#getY%28%29) in class [RectangularShape](../../../java/awt/geom/RectangularShape.html "class in java.awt.geom")

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](../../../java/awt/geom/RectangularShape.html#getWidth%28%29) in class [RectangularShape](../../../java/awt/geom/RectangularShape.html "class in java.awt.geom")

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](../../../java/awt/geom/RectangularShape.html#getHeight%28%29) in class [RectangularShape](../../../java/awt/geom/RectangularShape.html "class in java.awt.geom")

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](../../../java/awt/geom/Arc2D.html#getAngleStart%28%29) in class [Arc2D](../../../java/awt/geom/Arc2D.html "class in java.awt.geom")

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](../../../java/awt/geom/Arc2D.html#getAngleExtent%28%29) in class [Arc2D](../../../java/awt/geom/Arc2D.html "class in java.awt.geom")

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](../../../java/awt/geom/RectangularShape.html#isEmpty%28%29) in class [RectangularShape](../../../java/awt/geom/RectangularShape.html "class in java.awt.geom")

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.

Specified by:

[setArc](../../../java/awt/geom/Arc2D.html#setArc%28double, double, double, double, double, double, int%29) in class [Arc2D](../../../java/awt/geom/Arc2D.html "class in java.awt.geom")

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](../../../java/awt/geom/Arc2D.html#setAngleStart%28double%29) in class [Arc2D](../../../java/awt/geom/Arc2D.html "class in java.awt.geom")

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](../../../java/awt/geom/Arc2D.html#setAngleExtent%28double%29) in class [Arc2D](../../../java/awt/geom/Arc2D.html "class in java.awt.geom")

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)

Return the high-precision bounding box of the arc.

Specified by:

[makeBounds](../../../java/awt/geom/Arc2D.html#makeBounds%28double, double, double, double%29) in class [Arc2D](../../../java/awt/geom/Arc2D.html "class in java.awt.geom")

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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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.