public final class ConcentricShapePair extends ShapePair
ShapePair that represents the space between
two concentric, non-intersecting Shapes. The pair of shapes could also be
represented by a regular Path2D by simply concatenating the two
shapes and using a WIND_EVEN_ODD winding rule. (Note that a
WIND_NON_ZERO winding rule could be used if the two shapes have
opposite windings, but that cannot be guaranteed without further inspection
of the two shapes and the WIND_NON_ZERO rule works fine without
that restriction.)| Modifier and Type | Class and Description |
|---|---|
(package private) static class |
ConcentricShapePair.PairIterator |
| Modifier and Type | Field and Description |
|---|---|
private Shape |
inner |
private Shape |
outer |
INCLUDES_I_NOT_O, INCLUDES_NEITHER, INCLUDES_O_AND_I, INCLUDES_O_NOT_I, TYPE_INTERSECT, TYPE_SUBTRACTOUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP, RECT_INTERSECTS| Constructor and Description |
|---|
ConcentricShapePair(Shape outer,
Shape inner) |
| Modifier and Type | Method and Description |
|---|---|
boolean |
contains(float x,
float y)
Tests if the specified coordinates are inside the boundary of the
Shape. |
boolean |
contains(float x,
float y,
float w,
float h)
Tests if the interior of the
Shape entirely contains
the specified rectangular area. |
Shape |
copy()
Returns a new copy of this
Shape instance. |
RectBounds |
getBounds()
Note that there is no guarantee that the returned
RectBounds is the smallest bounding box that encloses
the Shape, only that the Shape lies
entirely within the indicated RectBounds. |
int |
getCombinationType()
Returns the method with which to combine the two shapes.
|
Shape |
getInnerShape()
Returns the inner
Shape. |
Shape |
getOuterShape()
Returns the outer
Shape. |
PathIterator |
getPathIterator(BaseTransform tx)
Returns an iterator object that iterates along the
Shape boundary and provides access to the geometry of the
Shape outline. |
PathIterator |
getPathIterator(BaseTransform tx,
float flatness)
Returns an iterator object that iterates along the
Shape
boundary and provides access to a flattened view of the
Shape outline geometry. |
boolean |
intersects(float x,
float y,
float w,
float h)
Tests if the interior of the
Shape intersects the
interior of a specified rectangular area. |
accumulate, accumulateCubic, accumulateCubic, accumulateQuad, contains, contains, intersects, intersectsLine, outcode, pointCrossingsForCubic, pointCrossingsForLine, pointCrossingsForPath, pointCrossingsForQuad, rectCrossingsForCubic, rectCrossingsForLine, rectCrossingsForPath, rectCrossingsForQuadpublic int getCombinationType()
ShapePairTYPE_SUBTRACT and TYPE_INTERSECT
are supported.getCombinationType in class ShapePairpublic Shape getOuterShape()
ShapePairShape.getOuterShape in class ShapePairShape.public Shape getInnerShape()
ShapePairShape.getInnerShape in class ShapePairShape.public Shape copy()
ShapeShape instance.public boolean contains(float x,
float y)
ShapeShape.public boolean intersects(float x,
float y,
float w,
float h)
ShapeShape intersects the
interior of a specified rectangular area.
The rectangular area is considered to intersect the Shape
if any point is contained in both the interior of the
Shape and the specified rectangular area.
The Shape.intersects() method allows a Shape
implementation to conservatively return true when:
Shape intersect, but
Shapes this method might
return true even though the rectangular area does not
intersect the Shape.
The Area class performs
more accurate computations of geometric intersection than most
Shape objects and therefore can be used if a more precise
answer is required.intersects in class Shapex - the X coordinate of the upper-left corner
of the specified rectangular areay - the Y coordinate of the upper-left corner
of the specified rectangular areaw - the width of the specified rectangular areah - the height of the specified rectangular areatrue if the interior of the Shape and
the interior of the rectangular area intersect, or are
both highly likely to intersect and intersection calculations
would be too expensive to perform; false otherwise.public boolean contains(float x,
float y,
float w,
float h)
ShapeShape entirely contains
the specified rectangular area. All coordinates that lie inside
the rectangular area must lie within the Shape for the
entire rectanglar area to be considered contained within the
Shape.
The Shape.contains() method allows a Shape
implementation to conservatively return false when:
intersect method returns true and
Shape entirely contains the rectangular area are
prohibitively expensive.
Shapes this method might
return false even though the Shape contains
the rectangular area.
The Area class performs
more accurate geometric computations than most
Shape objects and therefore can be used if a more precise
answer is required.contains in class Shapex - the X coordinate of the upper-left corner
of the specified rectangular areay - the Y coordinate of the upper-left corner
of the specified rectangular areaw - the width of the specified rectangular areah - the height of the specified rectangular areatrue if the interior of the Shape
entirely contains the specified rectangular area;
false otherwise or, if the Shape
contains the rectangular area and the
intersects method returns true
and the containment calculations would be too expensive to
perform.Shape.intersects(float, float, float, float)public RectBounds getBounds()
ShapeRectBounds is the smallest bounding box that encloses
the Shape, only that the Shape lies
entirely within the indicated RectBounds.public PathIterator getPathIterator(BaseTransform tx)
ShapeShape boundary and provides access to the geometry of the
Shape outline. If an optional BaseTransform
is specified, the coordinates returned in the iteration are
transformed accordingly.
Each call to this method returns a fresh PathIterator
object that traverses the geometry of the Shape object
independently from any other PathIterator objects in use
at the same time.
It is recommended, but not guaranteed, that objects
implementing the Shape interface isolate iterations
that are in process from any changes that might occur to the original
object's geometry during such iterations.
getPathIterator in class Shapetx - an optional BaseTransform to be applied to the
coordinates as they are returned in the iteration, or
null if untransformed coordinates are desiredPathIterator object, which independently
traverses the geometry of the Shape.public PathIterator getPathIterator(BaseTransform tx, float flatness)
ShapeShape
boundary and provides access to a flattened view of the
Shape outline geometry.
Only SEG_MOVETO, SEG_LINETO, and SEG_CLOSE point types are returned by the iterator.
If an optional BaseTransform is specified,
the coordinates returned in the iteration are transformed
accordingly.
The amount of subdivision of the curved segments is controlled
by the flatness parameter, which specifies the
maximum distance that any point on the unflattened transformed
curve can deviate from the returned flattened path segments.
Note that a limit on the accuracy of the flattened path might be
silently imposed, causing very small flattening parameters to be
treated as larger values. This limit, if there is one, is
defined by the particular implementation that is used.
Each call to this method returns a fresh PathIterator
object that traverses the Shape object geometry
independently from any other PathIterator objects in use at
the same time.
It is recommended, but not guaranteed, that objects
implementing the Shape interface isolate iterations
that are in process from any changes that might occur to the original
object's geometry during such iterations.
getPathIterator in class Shapetx - an optional BaseTransform to be applied to the
coordinates as they are returned in the iteration, or
null if untransformed coordinates are desiredflatness - the maximum distance that the line segments used to
approximate the curved segments are allowed to deviate
from any point on the original curvePathIterator that independently traverses
a flattened view of the geometry of the Shape.