CADI.Common.LogicalTarget.JPEG2000.File
Class ReadJP2HeaderBox

java.lang.Object
  CADI.Common.LogicalTarget.JPEG2000.File.ReadJP2HeaderBox

public class ReadJP2HeaderBox
extends java.lang.Object

Version:

1.0 2008/10/07

Author:

Group on Interactive Coding of Images (GICI)

Field Summary

private boolean	bppVariation Boolean indicating if there are components with different bit depths from others
private int	CTType Definition in CADI.Common.LogicalTarget.JPEG2000.Parameters.CODParameters#CTType
private BufferedDataInputStream	in Is an object with the input stream where the main header is read from.
private boolean	isExtension Indicates whether JP2 header box is conform with the Part-1 of the standard or with the Part-2 (extensions)
private long	length
private boolean[]	LSSignedComponents Definition in SIZParameters.signed
private int[]	QComponentsBits Definition in SIZParameters.precision
private int	xSize Definition in SIZParameters.xSize
private int	ySize Definition in SIZParameters.ySize
private int	zSize Definition in SIZParameters.zSize

Constructor Summary

ReadJP2HeaderBox(BufferedDataInputStream in, long length)
Constructor.

ReadJP2HeaderBox(BufferedDataInputStream in, long length, boolean isExtension)

Method Summary

boolean	isBppVariation()
void	list(java.io.PrintStream out) Prints this Read JP2 Header Box fields out to the specified output stream.
private void	readBitsPerComponentBox(long length) Reads the Bits Per Component Box and retrieves the parameters contained.
private void	readChannelDefinitionBox(long length) Reads the Channel Definition Box and retrives the parameters contained.
private void	readColourSpecificationBox(long length) Reads the Colour Specification Box and retrieves the parameters contained.
private void	readComponentMappingBox(long length) Reads the Component Mapping Box and retrieves the parameters contained.
private boolean	readImageHeaderBox() Reads the Image Header Box and retrieves the parameters contained.
private void	readLabelBox(long length) Reads the Label Box and retrieves the parameters contained.
private void	readPaletteBox(long length) Reads the Palette Box and retrives the parameters contained.
private void	readResolutionSuperBox(long length) Read the resolution box.
void	run()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

in

private BufferedDataInputStream in

Is an object with the input stream where the main header is read from.

length

private long length

isExtension

private boolean isExtension

Indicates whether JP2 header box is conform with the Part-1 of the standard or with the Part-2 (extensions)

bppVariation

private boolean bppVariation

Boolean indicating if there are components with different bit depths from others

zSize

private int zSize

Definition in SIZParameters.zSize

ySize

private int ySize

Definition in SIZParameters.ySize

xSize

private int xSize

Definition in SIZParameters.xSize

LSSignedComponents

private boolean[] LSSignedComponents

Definition in SIZParameters.signed

CTType

private int CTType

Definition in CADI.Common.LogicalTarget.JPEG2000.Parameters.CODParameters#CTType

QComponentsBits

private int[] QComponentsBits

Definition in SIZParameters.precision

Constructor Detail

ReadJP2HeaderBox

public ReadJP2HeaderBox(BufferedDataInputStream in,
                        long length)

Constructor.

Parameters:

in - input stream where data will be read from.

length -

ReadJP2HeaderBox

public ReadJP2HeaderBox(BufferedDataInputStream in,
                        long length,
                        boolean isExtension)

Parameters:

in -

length -

isExtension -

Method Detail

run

public void run()
         throws java.io.EOFException,
                ErrorException,
                java.io.IOException

Throws:

java.io.IOException

ErrorException

java.io.EOFException

isBppVariation

public boolean isBppVariation()

Returns:

the bppVariation attribute.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

list

public void list(java.io.PrintStream out)

Prints this Read JP2 Header Box fields out to the specified output stream. This method is useful for debugging.

Parameters:

out - an output stream.

readLabelBox

private void readLabelBox(long length)
                   throws ErrorException,
                          java.io.EOFException,
                          java.io.IOException

Reads the Label Box and retrieves the parameters contained.

Throws:

ErrorException - when the header information is ambiguous or incorrect

java.io.EOFException

java.io.IOException

readImageHeaderBox

private boolean readImageHeaderBox()
                            throws ErrorException,
                                   java.io.EOFException,
                                   java.io.IOException

Reads the Image Header Box and retrieves the parameters contained.

Returns:

bppVariation - definition in bppVariation

Throws:

ErrorException - when the header information is ambiguous or incorrect

java.io.EOFException

java.io.IOException

readBitsPerComponentBox

private void readBitsPerComponentBox(long length)
                              throws ErrorException,
                                     java.io.EOFException,
                                     java.io.IOException

Reads the Bits Per Component Box and retrieves the parameters contained.

Throws:

ErrorException - when the header information is ambiguous or incorrect

java.io.EOFException

java.io.IOException

readColourSpecificationBox

private void readColourSpecificationBox(long length)
                                 throws ErrorException,
                                        java.io.EOFException,
                                        java.io.IOException

Reads the Colour Specification Box and retrieves the parameters contained.

Parameters:

length - the length of the box content

Throws:

ErrorException - when the header information is ambiguous or incorrect

java.io.EOFException

java.io.IOException

readPaletteBox

private void readPaletteBox(long length)
                     throws ErrorException,
                            java.io.IOException

Reads the Palette Box and retrives the parameters contained. NOTICE: This method is not finished.

Parameters:

length - the length of the box.

Throws:

java.io.IOException

ErrorException

readComponentMappingBox

private void readComponentMappingBox(long length)
                              throws ErrorException,
                                     java.io.IOException

Reads the Component Mapping Box and retrieves the parameters contained.

Parameters:

length - lenth of the box content.

Throws:

java.io.IOException

ErrorException

readChannelDefinitionBox

private void readChannelDefinitionBox(long length)
                               throws ErrorException,
                                      java.io.IOException

Reads the Channel Definition Box and retrives the parameters contained.

Parameters:

length - length of the box content.

Throws:

ErrorException

java.io.IOException

readResolutionSuperBox

private void readResolutionSuperBox(long length)
                             throws ErrorException,
                                    java.io.IOException

Read the resolution box. NOTICE: This method only read the values but they are not saved.

Parameters:

length -

Throws:

java.io.IOException

ErrorException