public class UpdateManagerEvent
extends java.util.EventObject
Modifier and Type | Field and Description |
---|---|
protected boolean |
clearPaintingTransform
True if before painting this update the canvas's painting
transform needs to be cleared.
|
protected java.util.List |
dirtyAreas
The dirty areas, as a List of Rectangles.
|
protected java.awt.image.BufferedImage |
image
The buffered image.
|
Constructor and Description |
---|
UpdateManagerEvent(java.lang.Object source,
java.awt.image.BufferedImage bi,
java.util.List das)
Creates a new UpdateManagerEvent.
|
UpdateManagerEvent(java.lang.Object source,
java.awt.image.BufferedImage bi,
java.util.List das,
boolean cpt)
Creates a new UpdateManagerEvent.
|
Modifier and Type | Method and Description |
---|---|
boolean |
getClearPaintingTransform()
returns true if the component should clear it's painting transform
before painting the associated BufferedImage.
|
java.util.List |
getDirtyAreas()
Returns the dirty areas (list of rectangles)
|
java.awt.image.BufferedImage |
getImage()
Returns the image to display, or null if the rendering failed.
|
protected java.awt.image.BufferedImage image
protected java.util.List dirtyAreas
protected boolean clearPaintingTransform
public UpdateManagerEvent(java.lang.Object source, java.awt.image.BufferedImage bi, java.util.List das)
source
- the object that originated the event, ie. the
UpdateManager.bi
- the image to paint.das
- List of dirty areas.public UpdateManagerEvent(java.lang.Object source, java.awt.image.BufferedImage bi, java.util.List das, boolean cpt)
source
- the object that originated the event, ie. the
UpdateManager.bi
- the image to paint.das
- List of dirty areas.cpt
- Indicates if the painting transform should be
cleared as a result of this event.public java.awt.image.BufferedImage getImage()
public java.util.List getDirtyAreas()
public boolean getClearPaintingTransform()
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