Package com.itextpdf.io.font.otf

Class GlyphPositioningTableReader

java.lang.Object

com.itextpdf.io.font.otf.OpenTypeFontTableReader

com.itextpdf.io.font.otf.GlyphPositioningTableReader

       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.

Field Summary

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

featuresType, lookupList, rf, scriptsType, tableLocation

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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 Details

GlyphPositioningTableReader

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

Throws:

IOException

Method Details

readLookupTable

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

Specified by:

readLookupTable in class OpenTypeFontTableReader

Throws:

IOException