jigl.image.io
Class ImageInputStreamJAI

java.lang.Object
  |
  +--jigl.image.io.ImageInputStreamJAI

public class ImageInputStreamJAI

extends Object

ImageInputStreamJAI reads in the following file types: PGM,PPM,PNG,JPEG,TIFF,GIF using the Java Advanced Imaging API and com.sun.media.jai.codec package.

Field Summary

private BufferedInputStream	data Stores the image content.
protected boolean	grayImg Flag of whether the loaded image is gray image.
protected PlanarImage	img Image that will be loaded
private String	name File name of loaded image file
protected int	type Image type
protected int	X Width of the image
protected int	Y Height of the image

Constructor Summary

ImageInputStreamJAI()

ImageInputStreamJAI(String fn)
Opens a ImageInputSteamJAI from a filename.

Method Summary

Image	read() Reads data from a InputStream object and returns a JIGL image..
private int	readByte(InputStream data) Utility routine to read a byte from a InputStream object.
protected PlanarImage	readImage(String filename) Utility routine to read directly from an image file and returns a PlanarImage.
int	readMagic() Gets the magic number and returns the type
int	X() Returns the width of the image
int	Y() Returns the height of the image

Methods inherited from class java.lang.Object

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

Field Detail

X

protected int X

Width of the image

Y

protected int Y

Height of the image

img

protected PlanarImage img

Image that will be loaded

grayImg

protected boolean grayImg

Flag of whether the loaded image is gray image.

type

protected int type

Image type

data

private BufferedInputStream data

Stores the image content.

name

private String name

File name of loaded image file

Constructor Detail

ImageInputStreamJAI

public ImageInputStreamJAI()

ImageInputStreamJAI

public ImageInputStreamJAI(String fn)
                    throws IOException

Opens a ImageInputSteamJAI from a filename.

Parameters:

fn - the filename to open

Method Detail

readByte

private int readByte(InputStream data)
              throws IOException

Utility routine to read a byte from a InputStream object.

IOException

readMagic

public int readMagic()
              throws IOException

Gets the magic number and returns the type

IOException

read

public Image read()
           throws InterruptedException,
                  ImageNotSupportedException,
                  IllegalPBMFormatException,
                  IOException

Reads data from a InputStream object and returns a JIGL image..

InterruptedException

ImageNotSupportedException

IllegalPBMFormatException

IOException

X

public int X()

Returns the width of the image

Y

public int Y()

Returns the height of the image

readImage

protected PlanarImage readImage(String filename)
                         throws IOException

Utility routine to read directly from an image file and returns a PlanarImage.

IOException