java.awt.image
Class BufferedImageFilter

java.lang.Object
  java.awt.image.ImageFilter
      java.awt.image.BufferedImageFilter

All Implemented Interfaces:

Cloneable, ImageConsumer

public class BufferedImageFilter

extends ImageFilter

implements Cloneable

The BufferedImageFilter class subclasses an ImageFilter to provide a simple means of using a single-source/single-destination image operator (BufferedImageOp) to filter a BufferedImage in the Image Producer/Consumer/Observer paradigm. Examples of these image operators are: ConvolveOp, AffineTransformOp and LookupOp.

See Also:

ImageFilter, BufferedImage, BufferedImageOp

Field Summary

(package private) BufferedImageOp	bufferedImageOp
(package private) byte[]	bytePixels
(package private) int	height
(package private) int[]	intPixels
(package private) ColorModel	model
(package private) int	width

Fields inherited from class java.awt.image.ImageFilter

consumer

Fields inherited from interface java.awt.image.ImageConsumer

COMPLETESCANLINES, IMAGEABORTED, IMAGEERROR, RANDOMPIXELORDER, SINGLEFRAME, SINGLEFRAMEDONE, SINGLEPASS, STATICIMAGEDONE, TOPDOWNLEFTRIGHT

Constructor Summary

BufferedImageFilter(BufferedImageOp op)
Constructs a BufferedImageFilter with the specified single-source/single-destination operator.

Method Summary

private void	convertToRGB()
private WritableRaster	createDCMraster()
BufferedImageOp	getBufferedImageOp() Returns the BufferedImageOp.
void	imageComplete(int status) Filters the information provided in the imageComplete method of the ImageConsumer interface.
void	setColorModel(ColorModel model) Filters the information provided in the setColorModel method of the ImageConsumer interface.
void	setDimensions(int width, int height) Filters the information provided in the setDimensions method of the ImageConsumer interface.
void	setPixels(int x, int y, int w, int h, ColorModel model, byte[] pixels, int off, int scansize) Filters the information provided in the setPixels method of the ImageConsumer interface which takes an array of bytes.
void	setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off, int scansize) Filters the information provided in the setPixels method of the ImageConsumer interface which takes an array of integers.

Methods inherited from class java.awt.image.ImageFilter

clone, getFilterInstance, resendTopDownLeftRight, setHints, setProperties

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

bufferedImageOp

BufferedImageOp bufferedImageOp

model

ColorModel model

width

int width

height

int height

bytePixels

byte[] bytePixels

intPixels

int[] intPixels

Constructor Detail

BufferedImageFilter

public BufferedImageFilter(BufferedImageOp op)

Constructs a BufferedImageFilter with the specified single-source/single-destination operator.

Parameters:

op - the specified BufferedImageOp to use to filter a BufferedImage

Throws:

NullPointerException - if op is null

Method Detail

getBufferedImageOp

public BufferedImageOp getBufferedImageOp()

Returns the BufferedImageOp.

Returns:

the operator of this BufferedImageFilter.

setDimensions

public void setDimensions(int width,
                          int height)

Filters the information provided in the setDimensions method of the ImageConsumer interface.

Note: This method is intended to be called by the ImageProducer of the Image whose pixels are being filtered. Developers using this class to retrieve pixels from an image should avoid calling this method directly since that operation could result in problems with retrieving the requested pixels.

Specified by:

setDimensions in interface ImageConsumer

Overrides:

setDimensions in class ImageFilter

Parameters:

width - the width to which to set the width of this BufferedImageFilter

height - the height to which to set the height of this BufferedImageFilter

See Also:

ImageConsumer.setDimensions(int, int)

setColorModel

public void setColorModel(ColorModel model)

Filters the information provided in the setColorModel method of the ImageConsumer interface.

If model is null, this method clears the current ColorModel of this BufferedImageFilter.

Note: This method is intended to be called by the ImageProducer of the Image whose pixels are being filtered. Developers using this class to retrieve pixels from an image should avoid calling this method directly since that operation could result in problems with retrieving the requested pixels.

Specified by:

setColorModel in interface ImageConsumer

Overrides:

setColorModel in class ImageFilter

Parameters:

model - the ColorModel to which to set the ColorModel of this BufferedImageFilter

See Also:

ImageConsumer.setColorModel(java.awt.image.ColorModel)

convertToRGB

private void convertToRGB()

setPixels

public void setPixels(int x,
                      int y,
                      int w,
                      int h,
                      ColorModel model,
                      byte[] pixels,
                      int off,
                      int scansize)

Filters the information provided in the setPixels method of the ImageConsumer interface which takes an array of bytes.

Note: This method is intended to be called by the ImageProducer of the Image whose pixels are being filtered. Developers using this class to retrieve pixels from an image should avoid calling this method directly since that operation could result in problems with retrieving the requested pixels.

Specified by:

setPixels in interface ImageConsumer

Overrides:

setPixels in class ImageFilter

Throws:

IllegalArgumentException - if width or height are less than zero.

See Also:

ImageConsumer.setPixels(int, int, int, int, ColorModel, byte[], int, int)

setPixels

public void setPixels(int x,
                      int y,
                      int w,
                      int h,
                      ColorModel model,
                      int[] pixels,
                      int off,
                      int scansize)

Filters the information provided in the setPixels method of the ImageConsumer interface which takes an array of integers.

Note: This method is intended to be called by the ImageProducer of the Image whose pixels are being filtered. Developers using this class to retrieve pixels from an image should avoid calling this method directly since that operation could result in problems with retrieving the requested pixels.

Specified by:

setPixels in interface ImageConsumer

Overrides:

setPixels in class ImageFilter

Throws:

IllegalArgumentException - if width or height are less than zero.

See Also:

ImageConsumer.setPixels(int, int, int, int, ColorModel, int[], int, int)

imageComplete

public void imageComplete(int status)

Filters the information provided in the imageComplete method of the ImageConsumer interface.

Note: This method is intended to be called by the ImageProducer of the Image whose pixels are being filtered. Developers using this class to retrieve pixels from an image should avoid calling this method directly since that operation could result in problems with retrieving the requested pixels.

Specified by:

imageComplete in interface ImageConsumer

Overrides:

imageComplete in class ImageFilter

Parameters:

status - the status of image loading

Throws:

ImagingOpException - if there was a problem calling the filter method of the BufferedImageOp associated with this instance.

See Also:

ImageConsumer.imageComplete(int)

createDCMraster

private final WritableRaster createDCMraster()