Package com.itextpdf.io.font.otf

Class GsubLookupType4

java.lang.Object

com.itextpdf.io.font.otf.OpenTableLookup

com.itextpdf.io.font.otf.GsubLookupType4

       public class GsubLookupType4 extends OpenTableLookup
      

LookupType 4: Ligature Substitution Subtable

Nested Class Summary

Nested classes/interfaces inherited from class com.itextpdf.io.font.otf.OpenTableLookup

OpenTableLookup.GlyphIndexer

Field Summary

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

lookupFlag, openReader, subTableLocations

Constructor Summary

Constructors

Constructor	Description
GsubLookupType4(OpenTypeFontTableReader openReader, int lookupFlag, int[] subTableLocations)

Method Summary

Modifier and Type	Method	Description
protected void	readSubTable(int subTableLocation)	Reads subtable from the specified location.
boolean	transformOne(GlyphLine line)	Apply transformation to only one glyph from the glyph line.

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

getIndexInLookupList, getLookupFlag, hasSubstitution, readSubTables, setIndexInLookupList, transformLine

Methods inherited from class java.lang.Object

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

Constructor Details

GsubLookupType4

             public GsubLookupType4
             (OpenTypeFontTableReader openReader, int lookupFlag, int[] subTableLocations) throws IOException
            

Throws:

IOException

Method Details

transformOne

             public boolean transformOne
             (GlyphLine line)
            

Description copied from class: OpenTableLookup

Apply transformation to only one glyph from the glyph line.

Specified by:

transformOne in class OpenTableLookup

Parameters:

line - the glyph line to transform

Returns:

true if transformation was applied, false otherwise

readSubTable

             protected void readSubTable
             (int subTableLocation) throws IOException
            

Description copied from class: OpenTableLookup

Reads subtable from the specified location.

Specified by:

readSubTable in class OpenTableLookup

Parameters:

subTableLocation - the subtable location

Throws:

IOException - exception is thrown in case an I/O error occurs when reading subtable