public final class Arc extends java.lang.Object implements ICurve
Arc, which is defined by its
enclosing framing Rectangle, a start Angle (relative to the
x-axis), and an angular extend in counter-clockwise (CCW) direction.| Modifier and Type | Field and Description |
|---|---|
protected Angle |
angularExtent
The counter-clockwise (CCW)
Angle that spans this
AbstractArcBasedGeometry. |
protected Angle |
startAngle
The counter-clockwise (CCW)
Angle to the x-axis at which this
AbstractArcBasedGeometry begins. |
| Constructor and Description |
|---|
Arc(org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?> r,
Angle startAngle,
Angle angularExtent)
Constructs a new
Arc of the given values. |
Arc(double x,
double y,
double width,
double height,
Angle startAngle,
Angle angularExtent)
Constructs a new
Arc of the given values. |
| Modifier and Type | Method and Description |
|---|---|
java.lang.Object |
clone()
Overridden with public visibility as recommended within
Cloneable
. |
protected CubicCurve[] |
computeBezierApproximation()
Computes a
CubicCurve approximation for this
AbstractArcBasedGeometry. |
boolean |
contains(Point p)
|
boolean |
equals(java.lang.Object obj) |
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. |
Angle |
getAngularExtent()
|
Rectangle |
getBounds()
|
Point |
getCenter()
Returns the center
Point of this
AbstractRectangleBasedGeometry. |
Arc |
getCopy()
Returns a new identical copy of this
IGeometry. |
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(ICurve c)
|
Point |
getLocation()
Returns a
Point specifying the x and y coordinates of this
AbstractRectangleBasedGeometry. |
ICurve[] |
getOverlaps(ICurve c)
|
Point |
getP1()
Returns the start
Point of this AbstractArcBasedGeometry. |
Point |
getP2()
Returns the end
Point of this AbstractArcBasedGeometry. |
Point |
getPoint(Angle angularExtent)
Computes a
Point on this AbstractArcBasedGeometry. |
Point |
getProjection(Point reference)
|
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. |
Angle |
getStartAngle()
Returns this
AbstractArcBasedGeometry's start Angle. |
IGeometry |
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 |
getX1()
Returns the x coordinate of the start
Point of this
AbstractArcBasedGeometry. |
double |
getX2()
Returns the x coordinate of the end
Point of this
AbstractArcBasedGeometry. |
double |
getY()
Returns the y coordinate of this
AbstractRectangleBasedGeometry. |
double |
getY1()
Returns the y coordinate of the start
Point of this
AbstractArcBasedGeometry. |
double |
getY2()
Returns the y coordinate of the end
Point of this
AbstractArcBasedGeometry. |
int |
hashCode() |
boolean |
intersects(ICurve c)
|
boolean |
overlaps(ICurve c)
|
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 |
setAngularExtent(Angle angularExtent)
Sets the extension
Angle of this AbstractArcBasedGeometry
. |
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 |
setStartAngle(Angle startAngle)
Sets the start
Angle of this AbstractArcBasedGeometry. |
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. |
CubicCurve[] |
toBezier()
Computes a list of
BezierCurves that approximate the
ICurve. |
Path |
toPath()
|
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. |
finalize, getClass, notify, notifyAll, wait, wait, waitgetP1, getP2, getX1, getX2, getY1, getY2getTransformed, toPath, touchesprotected Angle startAngle
Angle to the x-axis at which this
AbstractArcBasedGeometry begins.public Arc(org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?> r,
Angle startAngle,
Angle angularExtent)
Arc of the given values. An Arc is cut
out of an Ellipse. The start Angle is the
counter-clockwise (CCW) Angle to the x-axis at which the
Arc begins. The angular extent is the CCW Angle that
spans the Arc, i.e. the resulting end Angle of the
Arc is the sum of the start Angle and the angular extent.public Arc(double x,
double y,
double width,
double height,
Angle startAngle,
Angle angularExtent)
Arc of the given values. An Arc is cut
out of an Ellipse. The start Angle is the
counter-clockwise (CCW) Angle to the x-axis at which the
Arc begins. The angular extent is the CCW Angle that
spans the Arc, i.e. the resulting end Angle of the
Arc is the sum of the start Angle and the angular extent.x - the x coordinate of the bounds of the Ellipse of which
the Arc is cut outy - the y coordinate of the bounds of the Ellipse of which
the Arc is cut outwidth - the width of the bounds of the Ellipse of which the
Arc is cut outheight - the height of the bounds of the Ellipse of which the
Arc is cut outstartAngle - the CCW Angle at which the Arc beginsangularExtent - the CCW Angle that spans the Arcpublic boolean equals(java.lang.Object obj)
equals in class java.lang.Objectpublic Arc getCopy()
IGeometryIGeometry.public Point[] getIntersections(ICurve c)
ICurvegetIntersections in interface ICurvec - The ICurve to compute intersection points with.public ICurve[] getOverlaps(ICurve c)
ICurvegetOverlaps in interface ICurvec - The curve to compute overlaps with.public Point getProjection(Point reference)
ICurvePoint onto
this ICurve, i.e. a Point on this ICurve that is
closest to the given reference Point. Note, thatgetProjection in interface ICurvereference - The reference Point for which to return the
projection.Point onto
this ICurve.public PolyBezier getRotatedCCW(Angle angle)
IRotatableAngle 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 AngleIGeometry representing the result of the rotationpublic PolyBezier getRotatedCCW(Angle angle, double cx, double cy)
IRotatableAngle
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 Anglecx - 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)
IRotatableAngle
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 Anglecenter - relative Point for the rotationIGeometry representing the result of the rotationpublic PolyBezier getRotatedCW(Angle angle)
IRotatableAngle clock-wise (CW)
around its center Point. Does not necessarily return an object of
the same type.getRotatedCW in interface IRotatable<PolyBezier>angle - rotation AngleIGeometry representing the result of the rotationpublic PolyBezier getRotatedCW(Angle angle, double cx, double cy)
IRotatableAngle 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 Anglecx - 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)
IRotatableAngle 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 Anglecenter - relative Point for the rotationIGeometry representing the result of the rotationpublic boolean intersects(ICurve c)
ICurveICurve and the given ICurve intersect, i.e.
whether a final set of intersection points exists. Two curves intersect
if they touch (see IGeometry.touches(IGeometry)) but do not
overlap (see ICurve.overlaps(ICurve)).intersects in interface ICurvec - The ICurve to test for intersections.true if they intersect, false otherwisepublic boolean overlaps(ICurve c)
ICurveICurve and the given ICurve overlap, i.e.
whether an infinite set of intersection points exists. Two curves overlap
if they touch (see IGeometry.touches(IGeometry)) but not
intersect (see ICurve.intersects(ICurve)).public CubicCurve[] toBezier()
ICurveBezierCurves that approximate the
ICurve. For example, a Line or a BezierCurve in
general could return a list with the curve itself as its only element.
But an Ellipse or an Arc may return a list of consecutive
BezierCurves which approximate the ICurve.toBezier in interface ICurveBezierCurves that approximate the
ICurvepublic java.lang.String toString()
toString in class java.lang.Objectprotected CubicCurve[] computeBezierApproximation()
CubicCurve approximation for this
AbstractArcBasedGeometry. It is approximated by a maximum of four
CubicCurves, each of which covers a maximum of 90 degrees.CubicCurve approximation for this
AbstractArcBasedGeometrypublic Angle getAngularExtent()
Angle of this
AbstractArcBasedGeometry, i.e. the Angle defining the
span of this AbstractArcBasedGeometry.Angle of this
AbstractArcBasedGeometrypublic Point getP1()
Point of this AbstractArcBasedGeometry.Point of this AbstractArcBasedGeometrypublic Point getP2()
Point of this AbstractArcBasedGeometry.Point of this AbstractArcBasedGeometrypublic Angle getStartAngle()
AbstractArcBasedGeometry's start Angle.AbstractArcBasedGeometry's start Anglepublic double getX1()
Point of this
AbstractArcBasedGeometry.Point of this
AbstractArcBasedGeometrypublic double getX2()
Point of this
AbstractArcBasedGeometry.Point of this
AbstractArcBasedGeometrypublic double getY1()
Point of this
AbstractArcBasedGeometry.Point of this
AbstractArcBasedGeometrypublic double getY2()
Point of this
AbstractArcBasedGeometry.Point of this
AbstractArcBasedGeometrypublic T setAngularExtent(Angle angularExtent)
Angle of this AbstractArcBasedGeometry
.angularExtent - the new extension Angle for this
AbstractArcBasedGeometrythis for conveniencepublic T setStartAngle(Angle startAngle)
Angle of this AbstractArcBasedGeometry.startAngle - the new start Angle for this
AbstractArcBasedGeometrythis for conveniencepublic Path toPath()
IGeometryPath representation for this IGeometry.IGeometry.toPath()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
AbstractRectangleBasedGeometrypublic 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 incrementAbstractRectangleBasedGeometrypublic 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 sideAbstractRectangleBasedGeometrypublic final double getHeight()
AbstractRectangleBasedGeometry.AbstractRectangleBasedGeometrypublic Point getLocation()
Point specifying the x and y coordinates of this
AbstractRectangleBasedGeometry.Point representing the x and y coordinates of this
AbstractRectangleBasedGeometrypublic T getScaled(double factor)
IScalablePoint.public T getScaled(double factorX,
double factorY)
IScalablePoint.public T getScaled(double factor,
double centerX,
double centerY)
IScalablePoint (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)
IScalablePoint (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)
IScalablePoint.public T getScaled(double factor,
Point center)
IScalablePoint.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 amountAbstractRectangleBasedGeometrypublic 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 sideAbstractRectangleBasedGeometrypublic final Dimension getSize()
Dimension that records the width and height of this
AbstractRectangleBasedGeometry.Dimension that records the width and height of this
AbstractRectangleBasedGeometrypublic T getTranslated(double dx,
double dy)
ITranslatablegetTranslated in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>dx - x-translationdy - y-translationpublic T getTranslated(Point pt)
ITranslatablePoint.getTranslated in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>pt - translation Pointpublic final double getWidth()
AbstractRectangleBasedGeometry.AbstractRectangleBasedGeometrypublic final double getX()
AbstractRectangleBasedGeometry.AbstractRectangleBasedGeometrypublic final double getY()
AbstractRectangleBasedGeometry.AbstractRectangleBasedGeometrypublic T scale(double factor)
IScalablePoint.public T scale(double fx,
double fy)
IScalablePoint.public T scale(double factor,
double cx,
double cy)
IScalablePoint (cx, cy).public T scale(double fx,
double fy,
double cx,
double cy)
IScalablePoint (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)
IScalablePoint.public T scale(double factor,
Point center)
IScalablePoint.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 AbstractRectangleBasedGeometrythis 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
AbstractRectangleBasedGeometryy - the new y coordinate of this
AbstractRectangleBasedGeometrythis 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 AbstractRectangleBasedGeometrythis 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 AbstractRectangleBasedGeometrythis for conveniencepublic final T setSize(double w,
double h)
AbstractRectangleBasedGeometry
to the given values.w - the new width of this AbstractRectangleBasedGeometryh - the new height of this AbstractRectangleBasedGeometrythis for conveniencepublic final T setWidth(double width)
AbstractRectangleBasedGeometry to the
passed-in value.width - the new width of this AbstractRectangleBasedGeometrythis 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)
ITranslatabletranslate in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>dx - x-translationdy - y-translationthis for conveniencepublic T translate(Point p)
ITranslatablePoint.translate in interface ITranslatable<T extends org.eclipse.gef.geometry.planar.AbstractRectangleBasedGeometry<?,?>>p - translation Pointthis for conveniencepublic java.lang.Object clone()
Cloneable
.clone in class java.lang.Objectpublic IGeometry getTransformed(AffineTransform t)
Path
representation of this IGeometry. Subclasses may override this
method to return a more specific representation.getTransformed in interface IGeometryt - The AffineTransform to be appliedPath representation of this
IGeometrypublic final int hashCode()
hashCode in class java.lang.ObjectObject.hashCode()Copyright (c) 2014 itemis AG, and others. All rights reserved.