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Java™ Platform Standard Ed. 6 |
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java.lang.Object java.awt.geom.Path2D java.awt.geom.Path2D.Float java.awt.geom.GeneralPath
public final class GeneralPath
The GeneralPath
class represents a geometric path
constructed from straight lines, and quadratic and cubic
(Bézier) curves. It can contain multiple subpaths.
GeneralPath
is a legacy final class which exactly
implements the behavior of its superclass Path2D.Float
.
Together with Path2D.Double
, the Path2D
classes
provide full implementations of a general geometric path that
support all of the functionality of the Shape
and
PathIterator
interfaces with the ability to explicitly
select different levels of internal coordinate precision.
Use Path2D.Float
(or this legacy GeneralPath
subclass) when dealing with data that can be represented
and used with floating point precision. Use Path2D.Double
for data that requires the accuracy or range of double precision.
Nested Class Summary |
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Nested classes/interfaces inherited from class java.awt.geom.Path2D |
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Path2D.Double, Path2D.Float |
Field Summary |
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Fields inherited from class java.awt.geom.Path2D |
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WIND_EVEN_ODD, WIND_NON_ZERO |
Constructor Summary | |
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GeneralPath()
Constructs a new empty single precision GeneralPath object
with a default winding rule of Path2D.WIND_NON_ZERO . |
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GeneralPath(int rule)
Constructs a new GeneralPath object with the specified
winding rule to control operations that require the interior of the
path to be defined. |
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GeneralPath(int rule,
int initialCapacity)
Constructs a new GeneralPath object with the specified
winding rule and the specified initial capacity to store path
coordinates. |
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GeneralPath(Shape s)
Constructs a new GeneralPath object from an arbitrary
Shape object. |
Method Summary |
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Methods inherited from class java.awt.geom.Path2D.Float |
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append, clone, curveTo, curveTo, getBounds2D, getPathIterator, lineTo, lineTo, moveTo, moveTo, quadTo, quadTo, transform |
Methods inherited from class java.awt.geom.Path2D |
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append, closePath, contains, contains, contains, contains, contains, contains, contains, contains, createTransformedShape, getBounds, getCurrentPoint, getPathIterator, getWindingRule, intersects, intersects, intersects, intersects, reset, setWindingRule |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GeneralPath()
GeneralPath
object
with a default winding rule of Path2D.WIND_NON_ZERO
.
public GeneralPath(int rule)
GeneralPath
object with the specified
winding rule to control operations that require the interior of the
path to be defined.
rule
- the winding rulePath2D.WIND_EVEN_ODD
,
Path2D.WIND_NON_ZERO
public GeneralPath(int rule, int initialCapacity)
GeneralPath
object with the specified
winding rule and the specified initial capacity to store path
coordinates.
This number is an initial guess as to how many path segments
will be added to the path, but the storage is expanded as
needed to store whatever path segments are added.
rule
- the winding ruleinitialCapacity
- the estimate for the number of path segments
in the pathPath2D.WIND_EVEN_ODD
,
Path2D.WIND_NON_ZERO
public GeneralPath(Shape s)
GeneralPath
object from an arbitrary
Shape
object.
All of the initial geometry and the winding rule for this path are
taken from the specified Shape
object.
s
- the specified Shape
object
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Java™ Platform Standard Ed. 6 |
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