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JavaTM 2 Platform Std. Ed. v1.6.0
java.awt.geom
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Nested Class Summary |
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Nested classes/interfaces inherited from class java.awt.geom.Arc2D |
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Arc2D.Double, Arc2D.Float |
Field Summary | |
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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 inherited from class java.awt.geom.Arc2D |
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CHORD, OPEN, PIE |
Constructor Summary | |
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Arc2D.Float()
Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0). |
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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. |
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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. |
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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 | |
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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 inherited from class java.awt.geom.Arc2D |
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contains, contains, contains, containsAngle, equals, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, hashCode, intersects, setAngles, setAngles, setAngleStart, setArc, setArc, setArc, setArcByCenter, setArcByTangent, setArcType, setFrame |
Methods inherited from class java.awt.geom.RectangularShape |
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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 |
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finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public float x
public float y
public float width
public float height
public float start
public float extent
Constructor Detail |
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public Arc2D.Float()
public Arc2D.Float(int type)
type
- The closure type for the arc:
Arc2D.OPEN
, Arc2D.CHORD
, or Arc2D.PIE
.public Arc2D.Float(float x, float y, float w, float h, float start, float extent, int 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 Arc2D.Float(Rectangle2D ellipseBounds, float start, float extent, int 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
.Method Detail |
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public double getX()
double
precision.
Note that the arc
partially inscribes
the framing rectangle of this RectangularShape
.
getX
in class RectangularShape
public double getY()
double
precision.
Note that the arc
partially inscribes
the framing rectangle of this RectangularShape
.
getY
in class RectangularShape
public double getWidth()
double
precision.
Note that the arc
partially inscribes
the framing rectangle of this RectangularShape
.
getWidth
in class RectangularShape
public double getHeight()
double
precision.
Note that the arc
partially inscribes
the framing rectangle of this RectangularShape
.
getHeight
in class RectangularShape
public double getAngleStart()
getAngleStart
in class Arc2D
Arc2D.setAngleStart(double)
public double getAngleExtent()
getAngleExtent
in class Arc2D
Arc2D.setAngleExtent(double)
public boolean isEmpty()
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)
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)
setAngleStart
in class Arc2D
angSt
- The starting angle of the arc in degrees.Arc2D.getAngleStart()
public void setAngleExtent(double angExt)
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)
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.