Package com.drew.metadata.png

Class PngDirectory

java.lang.Object

com.drew.metadata.Directory

com.drew.metadata.png.PngDirectory

public class PngDirectory
extends Directory

Field Summary

Fields

Modifier and Type	Field	Description
private final PngChunkType	_pngChunkType
private static final HashMap<Integer,String>	_tagNameMap
static final int	TAG_BACKGROUND_COLOR
static final int	TAG_BITS_PER_SAMPLE
static final int	TAG_COLOR_TYPE
static final int	TAG_COMPRESSION_TYPE
static final int	TAG_FILTER_METHOD
static final int	TAG_GAMMA
static final int	TAG_ICC_PROFILE_NAME
static final int	TAG_IMAGE_HEIGHT
static final int	TAG_IMAGE_WIDTH
static final int	TAG_INTERLACE_METHOD
static final int	TAG_LAST_MODIFICATION_TIME
static final int	TAG_PALETTE_HAS_TRANSPARENCY
static final int	TAG_PALETTE_SIZE
static final int	TAG_PIXELS_PER_UNIT_X
static final int	TAG_PIXELS_PER_UNIT_Y
static final int	TAG_SIGNIFICANT_BITS
static final int	TAG_SRGB_RENDERING_INTENT
static final int	TAG_TEXTUAL_DATA
static final int	TAG_UNIT_SPECIFIER

Fields inherited from class com.drew.metadata.Directory

_definedTagList, _descriptor, _tagMap

Constructor Summary

Constructors

Constructor	Description
PngDirectory(PngChunkType pngChunkType)

Method Summary

Modifier and Type	Method	Description
String	getName()	Provides the name of the directory, for display purposes.
PngChunkType	getPngChunkType()
protected HashMap<Integer,String>	getTagNameMap()	Provides the map of tag names, hashed by tag type identifier.

Methods inherited from class com.drew.metadata.Directory

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

Methods inherited from class java.lang.Object

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

Field Details

TAG_IMAGE_WIDTH

public static final int TAG_IMAGE_WIDTH

See Also:

• Constant Field Values

TAG_IMAGE_HEIGHT

public static final int TAG_IMAGE_HEIGHT

See Also:

• Constant Field Values

TAG_BITS_PER_SAMPLE

public static final int TAG_BITS_PER_SAMPLE

See Also:

• Constant Field Values

TAG_COLOR_TYPE

public static final int TAG_COLOR_TYPE

See Also:

• Constant Field Values

TAG_COMPRESSION_TYPE

public static final int TAG_COMPRESSION_TYPE

See Also:

• Constant Field Values

TAG_FILTER_METHOD

public static final int TAG_FILTER_METHOD

See Also:

• Constant Field Values

TAG_INTERLACE_METHOD

public static final int TAG_INTERLACE_METHOD

See Also:

• Constant Field Values

TAG_PALETTE_SIZE

public static final int TAG_PALETTE_SIZE

See Also:

• Constant Field Values

TAG_PALETTE_HAS_TRANSPARENCY

public static final int TAG_PALETTE_HAS_TRANSPARENCY

See Also:

• Constant Field Values

TAG_SRGB_RENDERING_INTENT

public static final int TAG_SRGB_RENDERING_INTENT

See Also:

• Constant Field Values

TAG_GAMMA

public static final int TAG_GAMMA

See Also:

• Constant Field Values

TAG_ICC_PROFILE_NAME

public static final int TAG_ICC_PROFILE_NAME

See Also:

• Constant Field Values

TAG_TEXTUAL_DATA

public static final int TAG_TEXTUAL_DATA

See Also:

• Constant Field Values

TAG_LAST_MODIFICATION_TIME

public static final int TAG_LAST_MODIFICATION_TIME

See Also:

• Constant Field Values

TAG_BACKGROUND_COLOR

public static final int TAG_BACKGROUND_COLOR

See Also:

• Constant Field Values

TAG_PIXELS_PER_UNIT_X

public static final int TAG_PIXELS_PER_UNIT_X

See Also:

• Constant Field Values

TAG_PIXELS_PER_UNIT_Y

public static final int TAG_PIXELS_PER_UNIT_Y

See Also:

• Constant Field Values

TAG_UNIT_SPECIFIER

public static final int TAG_UNIT_SPECIFIER

See Also:

• Constant Field Values

TAG_SIGNIFICANT_BITS

public static final int TAG_SIGNIFICANT_BITS

See Also:

• Constant Field Values

_tagNameMap

private static final HashMap<Integer,String> _tagNameMap

_pngChunkType

private final PngChunkType _pngChunkType

Constructor Details

PngDirectory

public PngDirectory(PngChunkType pngChunkType)

Method Details

getPngChunkType

public PngChunkType getPngChunkType()

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