org.jpedal.examples.handlers

Class StandardImageIO

java.lang.Object

org.jpedal.examples.handlers.StandardImageIO

All Implemented Interfaces:

ImageHelper

public class StandardImageIO
extends Object
implements ImageHelper

Constructor Summary

Constructors

Constructor and Description
StandardImageIO()

Method Summary

Modifier and Type	Method and Description
BufferedImage	JPEG2000ToRGBImage(byte[] data, int w, int h, int pX, int pY)
BufferedImage	read(byte[] data)
BufferedImage	read(String file_name)
Raster	readRasterFromJPeg(byte[] data)
void	write(BufferedImage image, String type, String file_name)

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardImageIO

public StandardImageIO()

Method Detail

write

public void write(BufferedImage image,
                  String type,
                  String file_name)
           throws IOException

Specified by:

write in interface ImageHelper

Parameters:

image -

type -

file_name -

Throws:

IOException

read

public BufferedImage read(String file_name)

Specified by:

read in interface ImageHelper

Parameters:

file_name - (including path)

Returns:

read

public BufferedImage read(byte[] data)
                   throws IOException

Specified by:

read in interface ImageHelper

Parameters:

data - (final byte[] data for image file - PNG, TIF, JPEG)

Returns:

Throws:

IOException

readRasterFromJPeg

public Raster readRasterFromJPeg(byte[] data)
                          throws IOException

Specified by:

readRasterFromJPeg in interface ImageHelper

Parameters:

data - (binary data for image file - PNG, TIF, JPEG)

Returns:

Throws:

IOException

JPEG2000ToRGBImage

public BufferedImage JPEG2000ToRGBImage(byte[] data,
                                        int w,
                                        int h,
                                        int pX,
                                        int pY)
                                 throws PdfException

Specified by:

JPEG2000ToRGBImage in interface ImageHelper

Parameters:

data - (binary data for image file - PNG, TIF, JPEG)

w - image width in pixels

h - image height in pixels

pX - sensible image width in pixels (ie what we should downscale to)

pY - sensible image height in pixels (ie what we should downscale to)

Returns:

Throws:

PdfException