com.lowagie.text

Class Jpeg

public class Jpeg extends Image

An Jpeg is the representation of a graphic element (JPEG) that has to be inserted into the document

See Also: Element Image

Field Summary
byte[][]	icc
static byte[]	JFIF_ID sequence that is used in all Jpeg files
static int	M_APP0 Marker value
static int	M_APP2 Marker value
static int	M_APPE Marker value
static int	NOPARAM_MARKER This is a type of marker.
static int[]	NOPARAM_MARKERS Jpeg markers without additional parameters.
static int	NOT_A_MARKER This is a type of marker.
static int	UNSUPPORTED_MARKER This is a type of marker.
static int[]	UNSUPPORTED_MARKERS Unsupported Jpeg markers.
static int	VALID_MARKER This is a type of marker.
static int[]	VALID_MARKERS Acceptable Jpeg markers.

Constructor Summary
	Jpeg(Image image)
	Jpeg(URL url) Constructs a `Jpeg`-object, using an `url`.
	Jpeg(byte[] img) Constructs a `Jpeg`-object from memory.
	Jpeg(byte[] img, float width, float height) Constructs a `Jpeg`-object from memory.

Method Summary
static int	getShort(InputStream is) Reads a short from the `InputStream`.
static int	marker(int marker) Returns a type of marker.
void	processParameters() This method checks if the image is a valid JPEG and processes some parameters.

Field Detail

icc

private byte[][] icc

JFIF_ID

public static final byte[] JFIF_ID

sequence that is used in all Jpeg files

M_APP0

public static final int M_APP0

Marker value

M_APP2

public static final int M_APP2

Marker value

M_APPE

public static final int M_APPE

Marker value

NOPARAM_MARKER

public static final int NOPARAM_MARKER

This is a type of marker.

NOPARAM_MARKERS

public static final int[] NOPARAM_MARKERS

Jpeg markers without additional parameters.

NOT_A_MARKER

public static final int NOT_A_MARKER

This is a type of marker.

UNSUPPORTED_MARKER

public static final int UNSUPPORTED_MARKER

This is a type of marker.

UNSUPPORTED_MARKERS

public static final int[] UNSUPPORTED_MARKERS

Unsupported Jpeg markers.

VALID_MARKER

public static final int VALID_MARKER

This is a type of marker.

VALID_MARKERS

public static final int[] VALID_MARKERS

Acceptable Jpeg markers.

Constructor Detail

Jpeg

Jpeg(Image image)

Jpeg

public Jpeg(URL url)

Constructs a Jpeg-object, using an url.

Parameters: url the URL where the image can be found

Throws: BadElementException IOException

Jpeg

public Jpeg(byte[] img)

Constructs a Jpeg-object from memory.

Parameters: img the memory image

Throws: BadElementException IOException

Jpeg

public Jpeg(byte[] img, float width, float height)

Constructs a Jpeg-object from memory.

Parameters: img the memory image. width the width you want the image to have height the height you want the image to have

Throws: BadElementException IOException

Method Detail

getShort

private static final int getShort(InputStream is)

Reads a short from the InputStream.

Parameters: is the InputStream

Returns: an int

Throws: IOException

marker

private static final int marker(int marker)

Returns a type of marker.

Parameters: marker an int

Returns: a type: VALID_MARKER, UNSUPPORTED_MARKER or NOPARAM_MARKER

processParameters

private void processParameters()

This method checks if the image is a valid JPEG and processes some parameters.

Throws: BadElementException IOException