org.extex.font.format.xtf.tables.gps
Class XtfGPOSSingleTable

java.lang.Object
  org.extex.font.format.xtf.tables.gps.XtfLookupTable
      org.extex.font.format.xtf.tables.gps.XtfGPOSSingleTable

All Implemented Interfaces:

XMLWriterConvertible

Direct Known Subclasses:

XtfGPOSSingleTable.SingleTableFormat1, XtfGPOSSingleTable.SingleTableFormat2

public abstract class XtfGPOSSingleTable
extends XtfLookupTable

The GPOS table Single.

Lookup Type 1: Single Adjustment Positioning Subtable

A single adjustment positioning subtable (SinglePos) is used to adjust the position of a single glyph, such as a subscript or superscript. In addition, a SinglePos subtable is commonly used to implement lookup data for contextual positioning.

A SinglePos subtable will have one of two formats: one that applies the same adjustment to a series of glyphs, or one that applies a different adjustment for each unique glyph.

Version:

$Revision: 6737 $

Author:

Michael Niedermair

Nested Class Summary

static class	XtfGPOSSingleTable.SingleTableFormat1 SingleTable for format 1.
static class	XtfGPOSSingleTable.SingleTableFormat2 Single Adjustment Positioning: Format 2

Field Summary

protected XtfCoverage

coverage coverage

Fields inherited from class org.extex.font.format.xtf.tables.gps.XtfLookupTable

count

Method Summary

XtfCoverage	getCoverage() Getter for coverage.
abstract ValueRecord	getValueRecord(int glyph) Returns the ValueRecord for the glyph.
static XtfGPOSSingleTable	newInstance(RandomAccessR rar, int posOffset, int offset, XtfGlyphName xtfGlyp) Create a new Instance.

Methods inherited from class org.extex.font.format.xtf.tables.gps.XtfLookupTable

getCount, getFormat, getXtfGlyph

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.extex.util.xml.XMLWriterConvertible

writeXML

Field Detail

coverage

protected XtfCoverage coverage

coverage

Method Detail

newInstance

public static XtfGPOSSingleTable newInstance(RandomAccessR rar,
                                             int posOffset,
                                             int offset,
                                             XtfGlyphName xtfGlyp)
                                      throws java.io.IOException

Create a new Instance.

Parameters:

rar - the input

posOffset - The offset of the pos table (GPOS).

offset - the offset

xtfGlyp - The glyph name.

Returns:

Returns the new instance.

Throws:

java.io.IOException - if an IO-error occurs

getCoverage

public XtfCoverage getCoverage()

Getter for coverage.

Returns:

the coverage

getValueRecord

public abstract ValueRecord getValueRecord(int glyph)

Returns the ValueRecord for the glyph.

Parameters:

glyph - The glyph.

Returns:

Returns the ValueRecord for the glyph or null, if not found.