com.itextpdf.io.font.otf

Class GlyphPositioningTableReader

java.lang.Object

com.itextpdf.io.font.otf.OpenTypeFontTableReader

com.itextpdf.io.font.otf.GlyphPositioningTableReader

All Implemented Interfaces:

Serializable

public class GlyphPositioningTableReader
extends OpenTypeFontTableReader

Parses an OpenTypeFont file and reads the Glyph Substitution Table. This table governs how two or more Glyphs should be merged to a single Glyph. This is especially useful for Asian languages like Bangla, Hindi, etc.

This has been written according to the OPenTypeFont specifications. This may be found here.

Author:

Palash Ray

See Also:

Serialized Form

Field Summary

Fields inherited from class com.itextpdf.io.font.otf.OpenTypeFontTableReader

featuresType, lookupList, rf, scriptsType, tableLocation

Constructor Summary

Constructors

Constructor and Description
GlyphPositioningTableReader(RandomAccessFileOrArray rf, int gposTableLocation, OpenTypeGdefTableReader gdef, Map<Integer,Glyph> indexGlyphMap, int unitsPerEm)

Method Summary

Modifier and Type	Method and Description
protected OpenTableLookup	readLookupTable(int lookupType, int lookupFlag, int[] subTableLocations)

Methods inherited from class com.itextpdf.io.font.otf.OpenTypeFontTableReader

getFeatureRecords, getFeatures, getGlyph, getGlyphClass, getLanguageRecord, getLanguageRecord, getLookups, getLookups, getLookupTable, getRequiredFeature, getScriptRecords, getSpecificFeatures, getUnitsPerEm, isSkip, readClassDefinition, readCoverageFormat, readCoverages, readPosLookupRecords, readSubstLookupRecords, readTagAndLocations, readUShortArray, readUShortArray

Methods inherited from class java.lang.Object

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

Constructor Detail

GlyphPositioningTableReader

public GlyphPositioningTableReader(RandomAccessFileOrArray rf,
                                   int gposTableLocation,
                                   OpenTypeGdefTableReader gdef,
                                   Map<Integer,Glyph> indexGlyphMap,
                                   int unitsPerEm)
                            throws IOException

Throws:

IOException

Method Detail

readLookupTable

protected OpenTableLookup readLookupTable(int lookupType,
                                          int lookupFlag,
                                          int[] subTableLocations)
                                   throws IOException

Specified by:

readLookupTable in class OpenTypeFontTableReader

Throws:

IOException