com.drew.metadata.jfif
Class JfifDirectory

java.lang.Object
  com.drew.metadata.Directory
      com.drew.metadata.jfif.JfifDirectory

public class JfifDirectory
extends Directory

Directory of tags and values for the SOF0 Jfif segment. This segment holds basic metadata about the image.

Author:

Yuri Binev, Drew Noakes

Field Summary

protected static HashMap<Integer,String>	_tagNameMap
static int	TAG_JFIF_RESX
static int	TAG_JFIF_RESY
static int	TAG_JFIF_UNITS Units for pixel density fields.
static int	TAG_JFIF_VERSION

Fields inherited from class com.drew.metadata.Directory

_definedTagList, _descriptor, _tagMap

Constructor Summary

JfifDirectory()

Method Summary

int	getImageHeight()
int	getImageWidth()
String	getName() Provides the name of the directory, for display purposes.
int	getResUnits()
protected HashMap<Integer,String>	getTagNameMap() Provides the map of tag names, hashed by tag type identifier.
int	getVersion()

Methods inherited from class com.drew.metadata.Directory

addError, containsTag, getBoolean, getBooleanObject, getByteArray, getDate, getDate, getDescription, getDouble, getDoubleObject, getErrorCount, getErrors, getFloat, getFloatObject, getInt, getIntArray, getInteger, getLong, getLongObject, getObject, getRational, getRationalArray, getString, getString, getStringArray, getTagCount, getTagName, getTags, hasErrors, setBoolean, setByteArray, setDate, setDescriptor, setDouble, setDoubleArray, setFloat, setFloatArray, setInt, setIntArray, setLong, setObject, setObjectArray, setRational, setRationalArray, setString, setStringArray

Methods inherited from class java.lang.Object

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

Field Detail

TAG_JFIF_VERSION

public static final int TAG_JFIF_VERSION

See Also:

Constant Field Values

TAG_JFIF_UNITS

public static final int TAG_JFIF_UNITS

Units for pixel density fields. One of None, Pixels per Inch, Pixels per Centimetre.

See Also:

Constant Field Values

TAG_JFIF_RESX

public static final int TAG_JFIF_RESX

See Also:

Constant Field Values

TAG_JFIF_RESY

public static final int TAG_JFIF_RESY

See Also:

Constant Field Values

_tagNameMap

protected static final HashMap<Integer,String> _tagNameMap

Constructor Detail

JfifDirectory

public JfifDirectory()

Method Detail

getName

public String getName()

Description copied from class: Directory

Provides the name of the directory, for display purposes. E.g. Exif

Specified by:

getName in class Directory

Returns:

the name of the directory

getTagNameMap

protected HashMap<Integer,String> getTagNameMap()

Description copied from class: Directory

Provides the map of tag names, hashed by tag type identifier.

Specified by:

getTagNameMap in class Directory

Returns:

the map of tag names

getVersion

public int getVersion()
               throws MetadataException

Throws:

MetadataException

getResUnits

public int getResUnits()
                throws MetadataException

Throws:

MetadataException

getImageWidth

public int getImageWidth()
                  throws MetadataException

Throws:

MetadataException

getImageHeight

public int getImageHeight()
                   throws MetadataException

Throws:

MetadataException