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java.lang.Objectorg.apache.pivot.wtk.effects.RotationDecorator
public class RotationDecorator
Decorator that rotates a component about its center.
| Constructor Summary | |
|---|---|
RotationDecorator()
Creates a new rotation decorator with the default theta value (zero). |
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RotationDecorator(double theta)
Creates a new rotation decorator with the specified theta value. |
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| Method Summary | |
|---|---|
Bounds |
getBounds(Component component)
Returns the bounding area of the decorator. |
double |
getTheta()
Gets the rotation angle, in radians. |
AffineTransform |
getTransform(Component component)
Returns the transformation the decorator applies to the component's coordinate space. |
Graphics2D |
prepare(Component component,
Graphics2D graphics)
Prepares the graphics context into which the component or prior decorator will paint. |
void |
setTheta(double theta)
Sets the rotation angle, in radians. |
void |
update()
Updates the graphics context into which the component or prior decorator was painted. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public RotationDecorator()
public RotationDecorator(double theta)
theta - The rotation angle, in radians.| Method Detail |
|---|
public double getTheta()
public void setTheta(double theta)
public Graphics2D prepare(Component component,
Graphics2D graphics)
Component.paint(Graphics2D); decorators are called in
descending order.
prepare in interface Decoratorpublic void update()
Component.paint(Graphics2D); decorators are called in
ascending order.
update in interface Decoratorpublic Bounds getBounds(Component component)
getBounds in interface Decoratorpublic AffineTransform getTransform(Component component)
getTransform in interface Decorator
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