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java.awt
Class Dimension
java.lang.Object
java.awt.geom.Dimension2D
java.awt.Dimension
-
All Implemented Interfaces:
-
Serializable
,
Cloneable
-
Direct Known Subclasses:
-
DimensionUIResource
-
public class Dimension
- extends Dimension2D
- implements Serializable
The Dimension class encapsulates the width and height of a component (in integer precision) in a single object. The class is associated with certain properties of components. Several methods defined by the Component class and the LayoutManager interface return a Dimension object.
Normally the values of width and height are non-negative integers. The constructors that allow you to create a dimension do not prevent you from setting a negative value for these properties. If the value of width or height is negative, the behavior of some methods defined by other objects is undefined.
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Since:
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1.0
JDK1.0
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See Also:
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Component
,
LayoutManager
,
Serialized Form
Field Summary
|
int |
height
The height dimension; negative values can be used. |
int |
width
The width dimension; negative values can be used. |
Constructor Summary
|
Dimension
()
Creates an instance of Dimension with a width of zero and a height of zero. |
Dimension
(
Dimension
d)
Creates an instance of Dimension whose width and height are the same as for the specified dimension. |
Dimension
(int width, int height)
Constructs a Dimension and initializes it to the specified width and specified height. |
Method Summary
|
boolean |
equals
(
Object
obj)
Checks whether two dimension objects have equal values. |
double |
getHeight
()
Returns the height of this
Dimension
dimension
in double precision. |
Dimension
|
getSize
()
Gets the size of this Dimension object. |
double |
getWidth
()
Returns the width of this
Dimension
dimension
in double precision. |
int |
hashCode
()
Returns the hash code for this Dimension. |
void |
setSize
(
Dimension
d)
Sets the size of this Dimension object to the specified size. |
void |
setSize
(double width, double height)
Sets the size of this Dimension object to the specified width and height in double precision. |
void |
setSize
(int width, int height)
Sets the size of this Dimension object to the specified width and height. |
String
|
toString
()
Returns a string representation of the values of this Dimension object's height and width fields. |
width
public int width
-
The width dimension; negative values can be used.
-
Since:
-
1.0
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See Also:
-
getSize()
,
setSize(double, double)
height
public int height
-
The height dimension; negative values can be used.
-
Since:
-
1.0
-
See Also:
-
getSize()
,
setSize(double, double)
Dimension
public Dimension()
-
Creates an instance of Dimension with a width of zero and a height of zero.
Dimension
public Dimension(Dimension d)
-
Creates an instance of Dimension whose width and height are the same as for the specified dimension.
-
Parameters:
-
d - the specified dimension for the width and height values
Dimension
public Dimension(int width,
int height)
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Constructs a Dimension and initializes it to the specified width and specified height.
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Parameters:
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width - the specified width
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height - the specified height
getWidth
public double getWidth()
-
Returns the width of this
Dimension
dimension
in double precision.
-
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Specified by:
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getWidth
in class
Dimension2D
-
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Returns:
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the width of this Dimension.
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Since:
-
1.2
the width of this dimension in double precision
getHeight
public double getHeight()
-
Returns the height of this
Dimension
dimension
in double precision.
-
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Specified by:
-
getHeight
in class
Dimension2D
-
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Returns:
-
the height of this Dimension.
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Since:
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1.2
the height of this dimension in double precision
setSize
public void setSize(double width,
double height)
-
Sets the size of this Dimension object to the specified width and height in double precision. Note that if width or height are larger than Integer.MAX_VALUE, they will be reset to Integer.MAX_VALUE.
-
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Specified by:
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setSize
in class
Dimension2D
-
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Parameters:
-
width - the new width for the Dimension object
-
height - the new height for the Dimension object
-
Since:
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1.2
getSize
public Dimension getSize()
-
Gets the size of this Dimension object. This method is included for completeness, to parallel the getSize method defined by Component.
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-
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Returns:
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the size of this dimension, a new instance of Dimension with the same width and height
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Since:
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1.1
JDK1.1
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See Also:
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setSize(double, double)
,
Component.getSize()
setSize
public void setSize(Dimension d)
-
Sets the size of this Dimension object to the specified size. This method is included for completeness, to parallel the setSize method defined by Component.
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-
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Parameters:
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d - the new size for this Dimension object
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Since:
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1.1
JDK1.1
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See Also:
-
getSize()
,
Component.setSize(int, int)
setSize
public void setSize(int width,
int height)
-
Sets the size of this Dimension object to the specified width and height. This method is included for completeness, to parallel the setSize method defined by Component.
-
-
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Parameters:
-
width - the new width for this Dimension object
-
height - the new height for this Dimension object
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Since:
-
1.1
JDK1.1
-
See Also:
-
getSize()
,
Component.setSize(int, int)
equals
public boolean equals(Object obj)
-
Checks whether two dimension objects have equal values.
-
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Overrides:
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equals
in class
Object
-
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Parameters:
-
obj - the reference object with which to compare.
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Returns:
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true if this object is the same as the obj argument; false otherwise.
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See Also:
-
Object.hashCode()
,
Hashtable
hashCode
public int hashCode()
-
Returns the hash code for this Dimension.
-
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Overrides:
-
hashCode
in class
Object
-
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Returns:
-
a hash code for this Dimension
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See Also:
-
Object.equals(java.lang.Object)
,
Hashtable
toString
public String toString()
-
Returns a string representation of the values of this Dimension object's height and width fields. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.
-
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Overrides:
-
toString
in class
Object
-
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Returns:
-
a string representation of this Dimension object