Package org.apache.fontbox.ttf.gsub

package org.apache.fontbox.ttf.gsub

This package contains utility classes which extract meanigful data from the highly obfuscated GSUB table structures.

Related Packages

Package	Description
org.apache.fontbox.ttf	This package contains classes to parse a TTF file.
org.apache.fontbox.ttf.model	This package contains a more logical model for the various font tables like GSUB.

Class	Description
CompoundCharacterTokenizer	Takes in the given text having compound-glyphs to substitute, and splits it into chunks consisting of parts that should be substituted and the ones that can be processed normally.
DefaultGsubWorker	A default implementation of GsubWorker that actually does not transform the glyphs yet allows to correctly load GSUB table data even from fonts for which a complete glyph substitution is not implemented.
GlyphArraySplitter	This class splits an array of GlyphIds with a prospective match.
GlyphArraySplitterRegexImpl	This is an in-efficient implementation based on regex, which helps split the array.
GlyphSubstitutionDataExtractor	This class has utility methods to extract meaningful GsubData from the highly obfuscated GSUB Tables.
GlyphSubstitutionDataExtractor.ScriptTableDetails
GsubWorker	This class is responsible for replacing GlyphIDs with new ones according to the GSUB tables.
GsubWorkerFactory	Gets a Language specific instance of a GsubWorker
GsubWorkerForBengali	Bengali-specific implementation of GSUB system
GsubWorkerForBengali.BeforeAndAfterSpanComponent	Models characters like O-kar (ো) and OU-kar (ৌ).
GsubWorkerForDevanagari	Devanagari-specific implementation of GSUB system
GsubWorkerForDflt	DFLT (Default) script-specific implementation of GSUB system.
GsubWorkerForGujarati	Gujarati-specific implementation of GSUB system.
GsubWorkerForLatin	Latin-specific implementation of GSUB system