com.itextpdf.io.font.otf.lookuptype5

Class SubTableLookup5Format2.SubstRuleFormat2

java.lang.Object

com.itextpdf.io.font.otf.ContextualRule

com.itextpdf.io.font.otf.ContextualSubstRule

com.itextpdf.io.font.otf.lookuptype5.SubTableLookup5Format2.SubstRuleFormat2

Enclosing class:

SubTableLookup5Format2

public static class SubTableLookup5Format2.SubstRuleFormat2
extends ContextualSubstRule

Constructor Summary

Constructors

Constructor and Description
SubstRuleFormat2(SubTableLookup5Format2 subTable, int[] inputClassIds, SubstLookupRecord[] substLookupRecords)

Method Summary

Modifier and Type	Method and Description
int	getContextLength() Gets the length of the context glyph sequence defined by this rule
SubstLookupRecord[]	getSubstLookupRecords() Retrieves the substitution lookup records.
boolean	isGlyphMatchesInput(int glyphId, int atIdx) Checks if glyph line element matches element from input sequence of the rule.

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

getBacktrackContextLength, getLookaheadContextLength, isGlyphMatchesBacktrack, isGlyphMatchesLookahead

Methods inherited from class java.lang.Object

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

Constructor Detail

SubstRuleFormat2

public SubstRuleFormat2(SubTableLookup5Format2 subTable,
                        int[] inputClassIds,
                        SubstLookupRecord[] substLookupRecords)

Method Detail

getContextLength

public int getContextLength()

Description copied from class: ContextualRule

Gets the length of the context glyph sequence defined by this rule

Specified by:

getContextLength in class ContextualRule

Returns:

length of the context

getSubstLookupRecords

public SubstLookupRecord[] getSubstLookupRecords()

Description copied from class: ContextualSubstRule

Retrieves the substitution lookup records. Each record specifies a position in the context glyph sequence and a LookupListIndex to the substitution lookup that is applied at that position.

Specified by:

getSubstLookupRecords in class ContextualSubstRule

Returns:

an array of SubstLookupRecord.

isGlyphMatchesInput

public boolean isGlyphMatchesInput(int glyphId,
                                   int atIdx)

Description copied from class: ContextualRule

Checks if glyph line element matches element from input sequence of the rule.

NOTE: rules do not contain the first element of the input sequence, the first element is defined by rule position in substitution table. Therefore atIdx shall not be 0.

Specified by:

isGlyphMatchesInput in class ContextualRule

Parameters:

glyphId - glyph code id

atIdx - index in the rule sequence. Shall be: 0 < atIdx < ContextualRule.getContextLength()

Returns:

true if glyph matches element