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public interface ImageObserver
An object implementing the ImageObserver interface can
receive updates on image construction from an
ImageProducer asynchronously.
ImageProducer| Field Summary | |
|---|---|
static int |
ABORT
Production of the image was aborted. |
static int |
ALLBITS
An image with a single frame, a static image, is complete. |
static int |
ERROR
An error was encountered while producing the image. |
static int |
FRAMEBITS
All the pixels needed to draw a complete frame of a multi-frame image are available. |
static int |
HEIGHT
The height of the image has been provided as the height argument to imageUpdate. |
static int |
PROPERTIES
The properties of the image have been provided. |
static int |
SOMEBITS
More pixels are now available for drawing a scaled variation of the image. |
static int |
WIDTH
The width of the image has been provided as the width argument to imageUpdate. |
| Method Summary | |
|---|---|
boolean |
imageUpdate(Image image,
int flags,
int x,
int y,
int width,
int height)
This is a callback method for an asynchronous image producer to provide updates on the production of the image as it happens. |
| Field Detail |
|---|
static final int WIDTH
width argument to imageUpdate.
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Valuesstatic final int HEIGHT
height argument to imageUpdate.
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Valuesstatic final int PROPERTIES
imageUpdate(java.awt.Image, int, int, int, int, int),
(java.lang.String, java.awt.image.ImageObserver),
Constant Field Valuesstatic final int SOMEBITS
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Valuesstatic final int FRAMEBITS
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Valuesstatic final int ALLBITS
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Valuesstatic final int ERROR
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Valuesstatic final int ABORT
imageUpdate(java.awt.Image, int, int, int, int, int),
Constant Field Values| Method Detail |
|---|
boolean imageUpdate(Image image,
int flags,
int x,
int y,
int width,
int height)
image - the image the update refers toflags - a bit mask indicating what is provided with this updatex - the x coordinate of the imagey - the y coordinate of the imagewidth - the width of the imageheight - the height of the imageImage
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