org.foray.font.format.ttf
Class TTFTableHHEA

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

public class TTFTableHHEA
extends Object

Class representing a TTF "hhea" (horizontal header) 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.
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.
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

TTFTableHHEA(TTFOffsetTableRecord dirEntry)
Constructor.

Method Summary

int	getAscender() Returns the ascender.
int	getDescender() Returns the descender.
int	getNumberOfHMetrics() Returns the number of metrics in the HHEA table.
String	getTableTag() Return the 4-character name of this table, for example, "post" or "glyf".
static TTFTableHHEA	parse(TTFOffsetTableRecord dirEntry, RandomAccessInput raInput) Parse the table.

Methods inherited from class java.lang.Object

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

Field Detail

BYTE_BYTES

protected static final byte BYTE_BYTES

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

See Also:

Constant Field Values

CHAR_BYTES

protected static final byte CHAR_BYTES

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

See Also:

Constant Field Values

USHORT_BYTES

protected static final byte USHORT_BYTES

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

See Also:

Constant Field Values

SHORT_BYTES

protected static final byte SHORT_BYTES

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

See Also:

Constant Field Values

ULONG_BYTES

protected static final byte ULONG_BYTES

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

See Also:

Constant Field Values

LONG_BYTES

protected static final byte LONG_BYTES

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

See Also:

Constant Field Values

FIXED_BYTES

protected static final byte FIXED_BYTES

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

See Also:

Constant Field Values

FWORD_BYTES

protected static final byte FWORD_BYTES

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

See Also:

Constant Field Values

UFWORD_BYTES

protected static final byte UFWORD_BYTES

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

See Also:

Constant Field Values

F2DOT14_BYTES

protected static final byte F2DOT14_BYTES

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

See Also:

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.

See Also:

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

TTFTableHHEA

public TTFTableHHEA(TTFOffsetTableRecord dirEntry)

Constructor.

Parameters:

dirEntry - The parent table directory entry.

Method Detail

parse

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

Parse the 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.

getAscender

public int getAscender()

Returns the ascender.

Returns:

The ascender.

getDescender

public int getDescender()

Returns the descender.

Returns:

The descender.

getNumberOfHMetrics

public int getNumberOfHMetrics()

Returns the number of metrics in the HHEA table. Note that this may be smaller than the total number of glyphs in the font (e.g. a fixed-width font like Courier).

Returns:

The number of metrics.