public class Ellipse extends java.lang.Object implements IShape
PrecisionUtils
) to compensate for rounding effects.Constructor and Description |
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Ellipse(double x,
double y,
double width,
double height)
Constructs a new
Ellipse so that it is fully contained within the
framing rectangle defined by (x, y, width, height). |
Ellipse(Rectangle r)
|
Modifier and Type | Method and Description |
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java.lang.Object |
clone()
Overridden with public visibility as recommended within
Cloneable
. |
boolean |
contains(IGeometry g)
|
boolean |
contains(Line l)
|
boolean |
contains(Point p)
|
boolean |
equals(double x,
double y,
double width,
double height)
Tests whether this
Ellipse and the ellipse defined by the given
bounds are equal. |
boolean |
equals(java.lang.Object o)
Tests whether this
Ellipse is equal to the given Object . |
T |
expand(double h,
double v)
Expands the horizontal and vertical sides of this
AbstractRectangleBasedGeometry with the values provided as input,
and returns this for convenience. |
T |
expand(double left,
double top,
double right,
double bottom)
Expands this
AbstractRectangleBasedGeometry by the given amounts,
and returns this for convenience. |
Rectangle |
getBounds()
|
Point |
getCenter()
Returns the center
Point of this
AbstractRectangleBasedGeometry . |
Ellipse |
getCopy()
Returns a new
Ellipse with the same location and size than this
one. |
T |
getExpanded(double h,
double v)
Returns a new expanded
AbstractRectangleBasedGeometry , where the
sides are incremented by the horizontal and vertical values provided. |
T |
getExpanded(double left,
double top,
double right,
double bottom)
Creates and returns a new
AbstractRectangleBasedGeometry with the
bounds of this AbstractRectangleBasedGeometry expanded by the
given insets. |
double |
getHeight()
Returns the height of this
AbstractRectangleBasedGeometry . |
Point[] |
getIntersections(Ellipse e2)
|
Point[] |
getIntersections(ICurve c)
|
Point[] |
getIntersections(Line line)
|
Point |
getLocation()
Returns a
Point specifying the x and y coordinates of this
AbstractRectangleBasedGeometry . |
ICurve |
getOutline()
|
CubicCurve[] |
getOutlineSegments()
Calculates the outline segments of this
Ellipse . |
PolyBezier |
getRotatedCCW(Angle angle)
|
PolyBezier |
getRotatedCCW(Angle angle,
double cx,
double cy)
|
PolyBezier |
getRotatedCCW(Angle angle,
Point center)
|
PolyBezier |
getRotatedCW(Angle angle)
|
PolyBezier |
getRotatedCW(Angle angle,
double cx,
double cy)
|
PolyBezier |
getRotatedCW(Angle angle,
Point center)
|
T |
getScaled(double factor)
Scales a copy of the calling object by the given factor relative to its
center
Point . |
T |
getScaled(double factorX,
double factorY)
Scales a copy of the calling object by the given factors relative to its
center
Point . |
T |
getScaled(double factor,
double centerX,
double centerY)
Scales a copy of the calling object by the given factor relative to the
given center
Point (cx, cy). |
T |
getScaled(double factorX,
double factorY,
double centerX,
double centerY)
Scales a copy of the calling object by the given factors relative to the
given center
Point (cx, cy). |
T |
getScaled(double factorX,
double factorY,
Point center)
Scales a copy of the calling object by the given factors relative to the
given center
Point . |
T |
getScaled(double factor,
Point center)
Scales a copy of the calling object by the given factor relative to the
given center
Point . |
T |
getShrinked(double h,
double v)
Returns a new
AbstractRectangleBasedGeometry , where the sides are
shrinked by the horizontal and vertical values supplied. |
T |
getShrinked(double left,
double top,
double right,
double bottom)
Returns a new
AbstractRectangleBasedGeometry shrinked by the
specified insets. |
Dimension |
getSize()
Returns a
Dimension that records the width and height of this
AbstractRectangleBasedGeometry . |
CurvedPolygon |
getTransformed(AffineTransform t)
|
T |
getTranslated(double dx,
double dy)
Translates a copy of this object by the given values in x and y
direction.
|
T |
getTranslated(Point pt)
Translates a copy of this object by the given
Point . |
double |
getWidth()
Returns the width of this
AbstractRectangleBasedGeometry . |
double |
getX()
Returns the x coordinate this
AbstractRectangleBasedGeometry . |
double |
getY()
Returns the y coordinate of this
AbstractRectangleBasedGeometry . |
int |
hashCode() |
T |
scale(double factor)
Scales the calling object by the given factor relative to its center
Point . |
T |
scale(double fx,
double fy)
Scales the calling object by the given factors relative to the given
center
Point . |
T |
scale(double factor,
double cx,
double cy)
Scales the calling object by the given factor relative to the given
center
Point (cx, cy). |
T |
scale(double fx,
double fy,
double cx,
double cy)
Scales the calling object by the given factors relative to the given
center
Point (cx, cy). |
T |
scale(double fx,
double fy,
Point center)
Scales the calling object by the given factors relative to the given
center
Point . |
T |
scale(double factor,
Point center)
Scales the calling object by the given factor relative to the given
center
Point . |
T |
setBounds(double x,
double y,
double w,
double h)
Sets the x, y, width, and height values of this
AbstractRectangleBasedGeometry to the given values. |
T |
setBounds(Point loc,
Dimension size)
|
T |
setBounds(Rectangle r)
Sets the x and y coordinates and the width and height of this
AbstractRectangleBasedGeometry to the respective values of the
given Rectangle . |
T |
setHeight(double height)
Sets the height of this
AbstractRectangleBasedGeometry to the
given value. |
T |
setLocation(double x,
double y)
Sets the x and y coordinates of this
AbstractRectangleBasedGeometry to the specified values. |
T |
setLocation(Point p)
Sets the x and y coordinates of this
AbstractRectangleBasedGeometry to the respective values of the
given Point . |
T |
setSize(Dimension d)
Sets the width and height of this
AbstractRectangleBasedGeometry
to the width and height of the given Dimension . |
T |
setSize(double w,
double h)
Sets the width and height of this
AbstractRectangleBasedGeometry
to the given values. |
T |
setWidth(double width)
Sets the width of this
AbstractRectangleBasedGeometry to the
passed-in value. |
T |
setX(double x)
Sets the x-coordinate of this
AbstractRectangleBasedGeometry to
the given value. |
T |
setY(double y)
Sets the y-coordinate of this
AbstractRectangleBasedGeometry to
the given value. |
T |
shrink(double h,
double v)
Shrinks the sides of this
AbstractRectangleBasedGeometry by the
horizontal and vertical values provided as input, and returns this
AbstractRectangleBasedGeometry for convenience. |
T |
shrink(double left,
double top,
double right,
double bottom)
Shrinks this
AbstractRectangleBasedGeometry by the specified
amounts. |
Path |
toPath()
Returns a
Path representation of this Ellipse , which is
an approximation of the four outline
segments by means of CubicCurve s. |
java.lang.String |
toString() |
boolean |
touches(IGeometry g)
|
T |
translate(double dx,
double dy)
Translates the object by the given values in x and y direction.
|
T |
translate(Point p)
Translates the object by the given
Point . |
public Ellipse(double x, double y, double width, double height)
Ellipse
so that it is fully contained within the
framing rectangle defined by (x, y, width, height).x
- The x-coordinate of the framing rectangley
- The y-coordinate of the framing rectanglewidth
- The width of the framing rectangleheight
- The height of the framing rectanglepublic boolean contains(Line l)
public boolean equals(double x, double y, double width, double height)
Ellipse
and the ellipse defined by the given
bounds are equal.x
- the x-coordinate of the bounds defining define the ellipse to
testy
- the y-coordinate of the bounds defining the ellipse to testwidth
- the width of the bounds defining the ellipse to testheight
- the height of the bounds defining the ellipse to testtrue
if this Ellipse
and the ellipse defined
via the given bounds are (imprecisely) regarded to be equal,
false
otherwisepublic boolean equals(java.lang.Object o)
Ellipse
is equal to the given Object
.public Ellipse getCopy()
Ellipse
with the same location and size than this
one.public ICurve getOutline()
IShape
getOutline
in interface IShape
ICurve
representing this IShape
's outline.public CubicCurve[] getOutlineSegments()
Ellipse
. The outline
segments are approximated by CubicCurve
s. The outline segments
are returned in the following order:
0deg
to 90deg
(quadrant I)90deg
to 180deg
(quadrant II)180deg
to 270deg
(quadrant III)270deg
to 360deg
(quadrant IV)Angle
of 0deg
is oriented to the right.
Increasing an Angle
rotates counter-clockwise (CCW).getOutlineSegments
in interface IShape
CubicCurve
s representing the outline of this
Ellipse
public PolyBezier getRotatedCCW(Angle angle)
IRotatable
Angle
counter-clock-wise
(CCW) around its center Point
. Does not necessarily return an
object of the same type.getRotatedCCW
in interface IRotatable<PolyBezier>
angle
- rotation Angle
IGeometry
representing the result of the rotationpublic PolyBezier getRotatedCCW(Angle angle, double cx, double cy)
IRotatable
Angle
counter-clock-wise (CCW) around the specified center Point
(cx,
cy). Does not necessarily return an object of the same type.getRotatedCCW
in interface IRotatable<PolyBezier>
angle
- rotation Angle
cx
- x-coordinate of the relative Point
for the rotationcy
- y-coordinate of the relative Point
for the rotationIGeometry
representing the result of the rotationpublic PolyBezier getRotatedCCW(Angle angle, Point center)
IRotatable
Angle
counter-clock-wise (CCW) around the specified center Point
. Does
not necessarily return an object of the same type.getRotatedCCW
in interface IRotatable<PolyBezier>
angle
- rotation Angle
center
- relative Point
for the rotationIGeometry
representing the result of the rotationpublic PolyBezier getRotatedCW(Angle angle)
IRotatable
Angle
clock-wise (CW)
around its center Point
. Does not necessarily return an object of
the same type.getRotatedCW
in interface IRotatable<PolyBezier>
angle
- rotation Angle
IGeometry
representing the result of the rotationpublic PolyBezier getRotatedCW(Angle angle, double cx, double cy)
IRotatable
Angle
clock-wise (CW)
around the specified center Point
(cx, cy). Does not necessarily
return an object of the same type.getRotatedCW
in interface IRotatable<PolyBezier>
angle
- rotation Angle
cx
- x-coordinate of the relative Point
for the rotationcy
- y-coordinate of the relative Point
for the rotationIGeometry
representing the result of the rotationpublic PolyBezier getRotatedCW(Angle angle, Point center)
IRotatable
Angle
clock-wise (CW)
around the specified center Point
. Does not necessarily return an
object of the same type.getRotatedCW
in interface IRotatable<PolyBezier>
angle
- rotation Angle
center
- relative Point
for the rotationIGeometry
representing the result of the rotationpublic CurvedPolygon getTransformed(AffineTransform t)
Path
representation of this IGeometry
. Subclasses may override this
method to return a more specific representation.getTransformed
in interface IGeometry
getTransformed
in interface IShape
t
- The AffineTransform
to be appliedPath
representation of this
IGeometry
IGeometry.getTransformed(AffineTransform)
public Path toPath()
Path
representation of this Ellipse
, which is
an approximation of the four outline
segments
by means of CubicCurve
s.toPath
in interface IGeometry
Path
representation for this IGeometry
.IGeometry.toPath()
public java.lang.String toString()
toString
in class java.lang.Object
public T expand(double h, double v)
AbstractRectangleBasedGeometry
with the values provided as input,
and returns this
for convenience. The location of its center
is kept constant.h
- the horizontal incrementv
- the vertical incrementthis
for conveniencepublic T expand(double left, double top, double right, double bottom)
AbstractRectangleBasedGeometry
by the given amounts,
and returns this for convenience.left
- the amount to expand the left sidetop
- the amount to expand the top sideright
- the amount to expand the right sidebottom
- the amount to expand the bottom sidethis
for conveniencepublic Point getCenter()
Point
of this
AbstractRectangleBasedGeometry
.Point
of this
AbstractRectangleBasedGeometry
public T getExpanded(double h, double v)
AbstractRectangleBasedGeometry
, where the
sides are incremented by the horizontal and vertical values provided. The
center of the AbstractRectangleBasedGeometry
is maintained
constant.h
- The horizontal incrementv
- The vertical incrementAbstractRectangleBasedGeometry
public T getExpanded(double left, double top, double right, double bottom)
AbstractRectangleBasedGeometry
with the
bounds of this AbstractRectangleBasedGeometry
expanded by the
given insets.left
- the amount to expand the left sidetop
- the amount to expand the top sideright
- the amount to expand the right sidebottom
- the amount to expand the bottom sideAbstractRectangleBasedGeometry
public final double getHeight()
AbstractRectangleBasedGeometry
.AbstractRectangleBasedGeometry
public Point getLocation()
Point
specifying the x and y coordinates of this
AbstractRectangleBasedGeometry
.Point
representing the x and y coordinates of this
AbstractRectangleBasedGeometry
public T getScaled(double factor)
IScalable
Point
.public T getScaled(double factorX, double factorY)
IScalable
Point
.public T getScaled(double factor, double centerX, double centerY)
IScalable
Point
(cx, cy).getScaled
in interface IScalable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
factor
- scale-factorcenterX
- x-coordinate of the relative Point
for the scalingcenterY
- y-coordinate of the relative Point
for the scalingpublic T getScaled(double factorX, double factorY, double centerX, double centerY)
IScalable
Point
(cx, cy).getScaled
in interface IScalable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
factorX
- x-scale-factorfactorY
- y-scale-factorcenterX
- x-coordinate of the relative Point
for the scalingcenterY
- y-coordinate of the relative Point
for the scalingpublic T getScaled(double factorX, double factorY, Point center)
IScalable
Point
.public T getScaled(double factor, Point center)
IScalable
Point
.public T getShrinked(double h, double v)
AbstractRectangleBasedGeometry
, where the sides are
shrinked by the horizontal and vertical values supplied. The center of
this AbstractRectangleBasedGeometry
is kept constant.h
- horizontal reduction amountv
- vertical reduction amountAbstractRectangleBasedGeometry
public T getShrinked(double left, double top, double right, double bottom)
AbstractRectangleBasedGeometry
shrinked by the
specified insets.left
- the amount to shrink the left sidetop
- the amount to shrink the top sideright
- the amount to shrink the right sidebottom
- the amount to shrink the bottom sideAbstractRectangleBasedGeometry
public final Dimension getSize()
Dimension
that records the width and height of this
AbstractRectangleBasedGeometry
.Dimension
that records the width and height of this
AbstractRectangleBasedGeometry
public T getTranslated(double dx, double dy)
ITranslatable
getTranslated
in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
dx
- x-translationdy
- y-translationpublic T getTranslated(Point pt)
ITranslatable
Point
.getTranslated
in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
pt
- translation Point
public final double getWidth()
AbstractRectangleBasedGeometry
.AbstractRectangleBasedGeometry
public final double getX()
AbstractRectangleBasedGeometry
.AbstractRectangleBasedGeometry
public final double getY()
AbstractRectangleBasedGeometry
.AbstractRectangleBasedGeometry
public T scale(double factor)
IScalable
Point
.public T scale(double fx, double fy)
IScalable
Point
.public T scale(double factor, double cx, double cy)
IScalable
Point
(cx, cy).public T scale(double fx, double fy, double cx, double cy)
IScalable
Point
(cx, cy).scale
in interface IScalable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
fx
- x-scale-factorfy
- y-scale-factorcx
- x-coordinate of the relative Point
for the scalingcy
- y-coordinate of the relative Point
for the scalingthis
for conveniencepublic T scale(double fx, double fy, Point center)
IScalable
Point
.public T scale(double factor, Point center)
IScalable
Point
.public final T setBounds(double x, double y, double w, double h)
AbstractRectangleBasedGeometry
to the given values.x
- the new x-coordinatey
- the new y-coordinatew
- the new widthh
- the new heightthis
for conveniencepublic final T setBounds(Rectangle r)
AbstractRectangleBasedGeometry
to the respective values of the
given Rectangle
.r
- the Rectangle
specifying the new x, y, width, and
height values of this AbstractRectangleBasedGeometry
this
for conveniencepublic final T setHeight(double height)
AbstractRectangleBasedGeometry
to the
given value.height
- the new heightthis
for conveniencepublic final T setLocation(double x, double y)
AbstractRectangleBasedGeometry
to the specified values.x
- the new x coordinate of this
AbstractRectangleBasedGeometry
y
- the new y coordinate of this
AbstractRectangleBasedGeometry
this
for conveniencepublic final T setLocation(Point p)
AbstractRectangleBasedGeometry
to the respective values of the
given Point
.p
- the Point
specifying the new x and y coordinates of
this AbstractRectangleBasedGeometry
this
for conveniencepublic final T setSize(Dimension d)
AbstractRectangleBasedGeometry
to the width and height of the given Dimension
.d
- the Dimension
specifying the new width and height of
this AbstractRectangleBasedGeometry
this
for conveniencepublic final T setSize(double w, double h)
AbstractRectangleBasedGeometry
to the given values.w
- the new width of this AbstractRectangleBasedGeometry
h
- the new height of this AbstractRectangleBasedGeometry
this
for conveniencepublic final T setWidth(double width)
AbstractRectangleBasedGeometry
to the
passed-in value.width
- the new width of this AbstractRectangleBasedGeometry
this
for conveniencepublic final T setX(double x)
AbstractRectangleBasedGeometry
to
the given value.x
- The new x-coordinate.this
for convenience.public final T setY(double y)
AbstractRectangleBasedGeometry
to
the given value.y
- The new y-coordinate.this
for convenience.public T shrink(double h, double v)
AbstractRectangleBasedGeometry
by the
horizontal and vertical values provided as input, and returns this
AbstractRectangleBasedGeometry
for convenience. The center of
this AbstractRectangleBasedGeometry
is kept constant.h
- horizontal reduction amountv
- vertical reduction amountthis
for conveniencepublic T shrink(double left, double top, double right, double bottom)
AbstractRectangleBasedGeometry
by the specified
amounts.left
- the amount to shrink the left sidetop
- the amount to shrink the top sideright
- the amount to shrink the right sidebottom
- the amount to shrink the bottom sidethis
for conveniencepublic T translate(double dx, double dy)
ITranslatable
translate
in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
dx
- x-translationdy
- y-translationthis
for conveniencepublic T translate(Point p)
ITranslatable
Point
.translate
in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>
p
- translation Point
this
for conveniencepublic java.lang.Object clone()
Cloneable
.clone
in class java.lang.Object
public final int hashCode()
hashCode
in class java.lang.Object
Object.hashCode()
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