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public interface GContainer
Defines the functionality of an object that can serve as the parent
of a GObject
.
Field Summary | |
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int |
BACK_TO_FRONT
|
int |
FRONT_TO_BACK
|
Method Summary | |
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void |
add(GObject gobj)
|
void |
add(GObject gobj,
double x,
double y)
x , y ). |
void |
add(GObject gobj,
GPoint pt)
|
GObject |
getElement(int index)
|
GObject |
getElementAt(double x,
double y)
x , y ), or null if no such
object exists. |
GObject |
getElementAt(GPoint pt)
null if no such object exists. |
int |
getElementCount()
GCanvas . |
void |
remove(GObject gobj)
|
void |
removeAll()
|
Field Detail |
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static final int BACK_TO_FRONT
static final int FRONT_TO_BACK
Method Detail |
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void add(GObject gobj)
Usage: | gc.add(gobj); | ||
Parameter: |
|
void add(GObject gobj,
double x,
double y)
x
, y
).
Usage: | gc.add(gobj, x, y); | ||||||
Parameters: |
|
void add(GObject gobj,
GPoint pt)
Usage: | gc.add(gobj, pt); | ||||
Parameters: |
|
GObject getElement(int index)
Usage: | GObject gobj = gc.getElement(index); | ||
Parameter: |
| ||
Returns: | The graphical object at the specified index |
GObject getElementAt(double x,
double y)
x
, y
), or null
if no such
object exists.
Usage: | GObject gobj = gc.getElementAt(x, y); | ||||
Parameters: |
| ||||
Returns: | The graphical object at the specified location, or null
if no such object exists.
|
GObject getElementAt(GPoint pt)
null
if no such object exists.
Usage: | GObject gobj = gc.getElementAt(pt); | ||
Parameter: |
| ||
Returns: | The graphical object at the specified location, or null
if no such object exists
|
int getElementCount()
GCanvas
.
Usage: | int n = gc.getElementCount(); |
Returns: | The number of graphical objects in this GCanvas
|
void remove(GObject gobj)
Usage: | gc.remove(gobj); | ||
Parameter: |
|
void removeAll()
Usage: | gc.removeAll(); |
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