jj2000.j2k.fileformat.writer

Class FileFormatWriter

java.lang.Object

jj2000.j2k.fileformat.writer.FileFormatWriter

All Implemented Interfaces:

FileFormatBoxes

public class FileFormatWriter
extends Object
implements FileFormatBoxes

This class writes the file format wrapper that may or may not exist around a valid JPEG 2000 codestream. This class writes the simple possible legal fileformat

See Also:

FileFormatReader

Field Summary

Fields inherited from interface jj2000.j2k.fileformat.FileFormatBoxes

BITS_PER_COMPONENT_BOX, CAPTURE_RESOLUTION_BOX, CHANNEL_DEFINITION_BOX, COLOUR_SPECIFICATION_BOX, COMPONENT_MAPPING_BOX, CONTIGUOUS_CODESTREAM_BOX, CSB_APPROX, CSB_ENUM_GREY, CSB_ENUM_SRGB, CSB_ENUM_YCC, CSB_METH, CSB_PREC, DEFAULT_DISPLAY_RESOLUTION_BOX, FILE_TYPE_BOX, FT_BR, IMAGE_HEADER_BOX, IMB_C, IMB_IPR, IMB_UnkC, IMB_VERS, INTELLECTUAL_PROPERTY_BOX, JP2_HEADER_BOX, JP2_SIGNATURE_BOX, PALETTE_BOX, RESOLUTION_BOX, URL_BOX, UUID_BOX, UUID_INFO_BOX, UUID_LIST_BOX, XML_BOX

Constructor Summary

Constructors

Constructor and Description
FileFormatWriter(File file, ImageOutputStream stream, int height, int width, int nc, int[] bpc, int clength, ColorModel colorModel, SampleModel sampleModel, J2KMetadata metadata) The constructor of the FileFormatWriter.

Method Summary

Modifier and Type	Method and Description
void	writeContiguousCodeStreamBox() This method writes the Contiguous codestream box
int	writeFileFormat() This method reads the codestream and writes the file format wrapper and the codestream to the same file

Methods inherited from class java.lang.Object

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

Constructor Detail

FileFormatWriter

public FileFormatWriter(File file,
                        ImageOutputStream stream,
                        int height,
                        int width,
                        int nc,
                        int[] bpc,
                        int clength,
                        ColorModel colorModel,
                        SampleModel sampleModel,
                        J2KMetadata metadata)

The constructor of the FileFormatWriter. It receives all the information necessary about a codestream to generate a legal JP2 file

Parameters:

filename - The name of the file that is to be made a JP2 file

height - The height of the image

width - The width of the image

nc - The number of components

bpc - The number of bits per component

clength - Length of codestream

colorModel - The color model of the image to be compressed.

Method Detail

writeFileFormat

public int writeFileFormat()
                    throws IOException

This method reads the codestream and writes the file format wrapper and the codestream to the same file

Returns:

The number of bytes increases because of the file format

Throws:

IOException - If an I/O error ocurred.

writeContiguousCodeStreamBox

public void writeContiguousCodeStreamBox()
                                  throws IOException

This method writes the Contiguous codestream box

Parameters:

cs - The contiguous codestream

Throws:

IOException - If an I/O error ocurred.