org.foray.font.format.ttf
Class TTFTableHEAD

java.lang.Object
  org.foray.font.format.ttf.TTFTableHEAD

public class TTFTableHEAD
extends Object

Class representing a TTF "head" table.

Field Summary

protected static byte	BYTE_BYTES The size, in bytes of the data type "BYTE", that is, 1.
protected static byte	CHAR_BYTES The size, in bytes of the data type "CHAR", that is, 1.
static byte	CHECK_SUM_ADJUSTMENT_OFFSET Constant for the offset to the "checkSumAdjustment" in this table.
static int	CHECK_SUM_CONSTANT A magic number used in the checksum computation.
protected static byte	F2DOT14_BYTES The size, in bytes of the data type "F2DOT14", that is, 2.
protected static byte	FIXED_BYTES The size, in bytes of the data type "FIXED", that is, 4.
protected static byte	FWORD_BYTES The size, in bytes of the data type "FWORD", that is, 2.
static byte	INDEX_TO_LOC_FORMAT_OFFSET Constant for the "indexToLocFormat" entry in this table.
protected static byte	LONG_BYTES The size, in bytes of the data type "LONG", that is, 4.
protected static byte	LONG_DATE_TIME_BYTES The size, in bytes of the data type "International Date", that is, 8.
protected static byte	OFFSET_BYTES The size, in bytes of the data type "Offset", that is, 2.
protected static byte	SHORT_BYTES The size, in bytes of the data type "SHORT", that is, 2.
protected static byte	UFWORD_BYTES The size, in bytes of the data type "UFWORD", that is, 2.
protected static byte	ULONG_BYTES The size, in bytes of the data type "ULONG", that is, 4.
protected static byte	USHORT_BYTES The size, in bytes of the data type "USHORT", that is, 2.

Constructor Summary

TTFTableHEAD(TTFOffsetTableRecord dirEntry)
Constructor.

Method Summary

int[]	getBbox() Returns the bounding box for this font.
String	getTableTag() Return the 4-character name of this table, for example, "post" or "glyf".
boolean	longLocaFormat() Indicates whether the "long" or "short" version of the "loca" table is used.
static TTFTableHEAD	parse(TTFOffsetTableRecord dirEntry, RandomAccessInput raInput) Read the "head" table.
int	unitsPerEm() Returns the units-per-em value for this font.

Methods inherited from class java.lang.Object

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

Field Detail

CHECK_SUM_ADJUSTMENT_OFFSET

public static final byte CHECK_SUM_ADJUSTMENT_OFFSET

Constant for the offset to the "checkSumAdjustment" in this table.

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Constant Field Values

INDEX_TO_LOC_FORMAT_OFFSET

public static final byte INDEX_TO_LOC_FORMAT_OFFSET

Constant for the "indexToLocFormat" entry in this table.

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Constant Field Values

CHECK_SUM_CONSTANT

public static final int CHECK_SUM_CONSTANT

A magic number used in the checksum computation.

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Constant Field Values

BYTE_BYTES

protected static final byte BYTE_BYTES

The size, in bytes of the data type "BYTE", that is, 1.

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Constant Field Values

CHAR_BYTES

protected static final byte CHAR_BYTES

The size, in bytes of the data type "CHAR", that is, 1.

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Constant Field Values

USHORT_BYTES

protected static final byte USHORT_BYTES

The size, in bytes of the data type "USHORT", that is, 2.

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Constant Field Values

SHORT_BYTES

protected static final byte SHORT_BYTES

The size, in bytes of the data type "SHORT", that is, 2.

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Constant Field Values

ULONG_BYTES

protected static final byte ULONG_BYTES

The size, in bytes of the data type "ULONG", that is, 4.

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Constant Field Values

LONG_BYTES

protected static final byte LONG_BYTES

The size, in bytes of the data type "LONG", that is, 4.

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Constant Field Values

FIXED_BYTES

protected static final byte FIXED_BYTES

The size, in bytes of the data type "FIXED", that is, 4.

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Constant Field Values

FWORD_BYTES

protected static final byte FWORD_BYTES

The size, in bytes of the data type "FWORD", that is, 2.

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Constant Field Values

UFWORD_BYTES

protected static final byte UFWORD_BYTES

The size, in bytes of the data type "UFWORD", that is, 2.

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Constant Field Values

F2DOT14_BYTES

protected static final byte F2DOT14_BYTES

The size, in bytes of the data type "F2DOT14", that is, 2.

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Constant Field Values

LONG_DATE_TIME_BYTES

protected static final byte LONG_DATE_TIME_BYTES

The size, in bytes of the data type "International Date", that is, 8.

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Constant Field Values

OFFSET_BYTES

protected static final byte OFFSET_BYTES

The size, in bytes of the data type "Offset", that is, 2.

See Also:

Constant Field Values

Constructor Detail

TTFTableHEAD

public TTFTableHEAD(TTFOffsetTableRecord dirEntry)

Constructor.

Parameters:

dirEntry - The parent table directory entry.

Method Detail

parse

public static TTFTableHEAD parse(TTFOffsetTableRecord dirEntry,
                                 RandomAccessInput raInput)
                          throws IOException

Read the "head" table.

Parameters:

dirEntry - The parent table directory entry.

raInput - The input which is being parsed.

Returns:

The parsed instance.

Throws:

IOException - For I/O Error.

getTableTag

public String getTableTag()

Return the 4-character name of this table, for example, "post" or "glyf".

Returns:

The name of this table.

longLocaFormat

public boolean longLocaFormat()

Indicates whether the "long" or "short" version of the "loca" table is used.

Returns:

True iff the "long" version of the "loca" table is used.

unitsPerEm

public int unitsPerEm()

Returns the units-per-em value for this font.

Returns:

The units-per-em value.

getBbox

public int[] getBbox()

Returns the bounding box for this font.

Returns:

The bounding box for this font.