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java.lang.Objectde.javagl.swogl.interaction.ScalingBehavior
public class ScalingBehavior
This class allows scaling the SwoglComponents
of a SwoglContainer
in space. It may be used for the cases
where the SwoglContainer has no layout manager.
Usually this class will be controlled by a MouseListener
and MouseMotionListener by calling the main public
methods accordingly:
startScaling(Point)
when the mouse is pressed to start a scaling
doScaling(Point)
when the mouse is dragged to scale a SwoglComponent
Constructor Summary | |
---|---|
ScalingBehavior(de.javagl.swogl.SwoglContainer swoglContainer)
Creates a new ScalingBehavior for the given SwoglContainer . |
Method Summary | |
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void |
doScaling(java.awt.Point point)
Scale the current SwoglComponent. |
void |
setScalingSpeed(float scalingSpeed)
Set the scaling speed factor. |
void |
setUniformScaling(boolean uniformScaling)
Set whether the scaling should be uniform. |
void |
startScaling(java.awt.Point point)
Start scaling the current SwoglComponent. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ScalingBehavior(de.javagl.swogl.SwoglContainer swoglContainer)
SwoglContainer
.
The scaling speed
will be 1.0 and
the scaling will be non-uniform
.
swoglContainer
- The SwoglContainer this behavior operates on
java.lang.NullPointerException
- if the given SwoglContainer
is null
Method Detail |
---|
public void startScaling(java.awt.Point point)
doScaling(Point)
will scale
the SwoglComponent.
point
- The point where the scaling should start
java.lang.NullPointerException
- if the given point
is null
public void doScaling(java.awt.Point point)
startScaling(Point)
, then this
method does not have any effect. Otherwise, this method will
scale the SwoglComponent depending on the difference between
the given point and the previous point.
point
- The current point
java.lang.NullPointerException
- if the given point
is null
public void setScalingSpeed(float scalingSpeed)
scalingSpeed
- The scaling speed factorpublic void setUniformScaling(boolean uniformScaling)
uniformScaling
- Whether the scaling should be uniform
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