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public interface CanvasState
Instances of this interface (and its sub-interfaces) describe the current
state of a Canvas
. The information contained by instances
of this interface should only describe the viewing area or volume of the
Canvas and should not contain any state information regarding the data
contained within it.
When an instance of this class is returned from Canvas
methods, a "snapshot" of the current state of the Canvas is taken
and the values will never change (even if the Canvas changes state).
Method Summary | |
---|---|
Object |
clone()
Returns a copy of this state object. |
boolean |
equals(Object object)
Determines if the given object is the same type of Canvas state object and has values equal to this one. |
DirectPosition |
getCenter()
Returns the position of the center pixel of this Canvas. |
String |
getTitle()
Returns the title of the Canvas . |
Method Detail |
---|
String getTitle()
Canvas
.
DirectPosition getCenter()
Object clone() throws CloneNotSupportedException
getCanvasParameterAccessor()
.
CloneNotSupportedException
boolean equals(Object object)
getCanvasParameterAccessor()
.
equals
in class Object
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