API java : Arc2D.Float

java.awt.geom
Class Arc2D.Float

java.lang.Object
  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
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(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

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(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.

Specified by:: 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.

Specified by:: 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.

Specified by:: 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.

Specified by:: 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.

Specified by:: getAngleStart in class Arc2D

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 in class Arc2D

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 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.

Specified by:: 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.

Specified by:: setAngleStart in class Arc2D

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 in class Arc2D

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 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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Document créé le 29/08/06 23:51, dernière modification le Vendredi 17 Juin 2011, 12:12
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API java : Arc2D.Float

java.awt.geom Class Arc2D.Float

x

y

width

height

start

extent

Arc2D.Float

Arc2D.Float

Arc2D.Float

Arc2D.Float

getX

getY

getWidth

getHeight

getAngleStart

getAngleExtent

isEmpty

setArc

setAngleStart

setAngleExtent

makeBounds

Remarques

Contenu

Quels sont les motivations de cette démarche?

Réseaux sociaux

Nuage de mots clés

Structure du document

java.awt.geom
Class Arc2D.Float