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java.lang.Objectorg.apache.fop.complexscripts.scripts.ScriptProcessor
org.apache.fop.complexscripts.scripts.DefaultScriptProcessor
org.apache.fop.complexscripts.scripts.IndicScriptProcessor
public class IndicScriptProcessor
The IndicScriptProcessor class implements a script processor for
performing glyph substitution and positioning operations on content associated with the Indic script.
This work was originally authored by Glenn Adams (gadams@apache.org).
| Nested Class Summary | |
|---|---|
protected static class |
IndicScriptProcessor.DefaultSyllabizer
Default syllabizer. |
protected static class |
IndicScriptProcessor.Segment
Syllabic segment. |
protected static class |
IndicScriptProcessor.Syllabizer
Abstract syllabizer. |
| Method Summary | |
|---|---|
protected int |
findPreBaseMatra(GlyphSequence gs)
Find pre-base matra in sequence. |
protected int |
findPreBaseMatraTarget(GlyphSequence gs,
int source)
Find pre-base matra target in sequence. |
protected int |
findReph(GlyphSequence gs)
Find reph in sequence. |
protected int |
findRephTarget(GlyphSequence gs,
int source)
Find reph target in sequence. |
java.lang.String[] |
getOptionalPositioningFeatures()
Obtain script specific optional positioning features. |
java.lang.String[] |
getOptionalSubstitutionFeatures()
Obtain script specific optional substitution features. |
ScriptContextTester |
getPositioningContextTester()
Obtain script specific positioning context tester. |
java.lang.String[] |
getPositioningFeatures()
Obtain script specific required positioning features. |
ScriptContextTester |
getSubstitutionContextTester()
Obtain script specific substitution context tester. |
java.lang.String[] |
getSubstitutionFeatures()
Obtain script specific required substitution features. |
protected java.lang.Class<? extends IndicScriptProcessor.Syllabizer> |
getSyllabizerClass()
Get script specific syllabizer class. |
static ScriptProcessor |
makeProcessor(java.lang.String script)
Make script specific flavor of Indic script processor. |
boolean |
position(GlyphSequence gs,
java.lang.String script,
java.lang.String language,
int fontSize,
GlyphTable.UseSpec[] usa,
int[] widths,
int[][] adjustments,
ScriptContextTester sct)
Perform positioning processing using a specific set of ordered glyph table use specifications. |
GlyphSequence |
substitute(GlyphSequence gs,
java.lang.String script,
java.lang.String language,
GlyphTable.UseSpec[] usa,
ScriptContextTester sct)
Perform substitution processing using a specific set of ordered glyph table use specifications. |
| Methods inherited from class org.apache.fop.complexscripts.scripts.DefaultScriptProcessor |
|---|
reorderCombiningMarks |
| Methods inherited from class org.apache.fop.complexscripts.scripts.ScriptProcessor |
|---|
assembleLookups, getInstance, getScript, position, substitute |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
public static ScriptProcessor makeProcessor(java.lang.String script)
script - tag
public java.lang.String[] getSubstitutionFeatures()
getSubstitutionFeatures in class DefaultScriptProcessorpublic java.lang.String[] getOptionalSubstitutionFeatures()
getOptionalSubstitutionFeatures in class ScriptProcessorpublic ScriptContextTester getSubstitutionContextTester()
getSubstitutionContextTester in class DefaultScriptProcessorpublic java.lang.String[] getPositioningFeatures()
getPositioningFeatures in class DefaultScriptProcessorpublic java.lang.String[] getOptionalPositioningFeatures()
getOptionalPositioningFeatures in class ScriptProcessorpublic ScriptContextTester getPositioningContextTester()
getPositioningContextTester in class DefaultScriptProcessor
public GlyphSequence substitute(GlyphSequence gs,
java.lang.String script,
java.lang.String language,
GlyphTable.UseSpec[] usa,
ScriptContextTester sct)
substitute in class ScriptProcessorgs - an input glyph sequencescript - a script identifierlanguage - a language identifierusa - an ordered array of glyph table use specssct - a script specific context tester (or null)
protected java.lang.Class<? extends IndicScriptProcessor.Syllabizer> getSyllabizerClass()
protected int findPreBaseMatra(GlyphSequence gs)
gs - input sequence
protected int findPreBaseMatraTarget(GlyphSequence gs,
int source)
gs - input sequencesource - index of pre-base matra
protected int findReph(GlyphSequence gs)
gs - input sequence
protected int findRephTarget(GlyphSequence gs,
int source)
gs - input sequencesource - index of reph
public boolean position(GlyphSequence gs,
java.lang.String script,
java.lang.String language,
int fontSize,
GlyphTable.UseSpec[] usa,
int[] widths,
int[][] adjustments,
ScriptContextTester sct)
position in class ScriptProcessorgs - an input glyph sequencescript - a script identifierlanguage - a language identifierfontSize - size in device unitsusa - an ordered array of glyph table use specswidths - array of default advancements for each glyph in fontadjustments - accumulated adjustments array (sequence) of 4-tuples of placement [PX,PY] and advance [AX,AY] adjustments, in that order,
with one 4-tuple for each element of glyph sequencesct - a script specific context tester (or null)
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