Package org.apache.fontbox.ttf.gsub

Class GlyphSubstitutionDataExtractor

java.lang.Object

org.apache.fontbox.ttf.gsub.GlyphSubstitutionDataExtractor

public class GlyphSubstitutionDataExtractor
extends Object

This class has utility methods to extract meaningful GsubData from the highly obfuscated GSUB Tables. This GsubData is then used to determine which combination of glyphs or words have to be replaced.

Author:

Palash Ray

Constructor Summary

Constructors

Constructor	Description
GlyphSubstitutionDataExtractor()

Method Summary

Modifier and Type	Method	Description
GsubData	getGsubData(String scriptName, ScriptTable scriptTable, FeatureListTable featureListTable, LookupListTable lookupListTable)	Unlike getGsubData(Map, FeatureListTable, LookupListTable), this method doesn't iterate over supported Language's searching for the first match with the scripts of the font.
GsubData	getGsubData(Map<String,ScriptTable> scriptList, FeatureListTable featureListTable, LookupListTable lookupListTable)

Methods inherited from class java.lang.Object

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

Constructor Details

GlyphSubstitutionDataExtractor

public GlyphSubstitutionDataExtractor()

Method Details

getGsubData

public GsubData getGsubData(Map<String,ScriptTable> scriptList,
 FeatureListTable featureListTable,
 LookupListTable lookupListTable)

getGsubData

public GsubData getGsubData(String scriptName,
 ScriptTable scriptTable,
 FeatureListTable featureListTable,
 LookupListTable lookupListTable)

Unlike getGsubData(Map, FeatureListTable, LookupListTable), this method doesn't iterate over supported Language's searching for the first match with the scripts of the font. Instead, it unconditionally creates GlyphSubstitutionDataExtractor.ScriptTableDetails instance with language left unspecified.

Parameters:

scriptName -

scriptTable -

featureListTable -

lookupListTable -

Returns:

GsubData instance built especially for the given scriptName