Method Detail

• makeProcessor

  public static ScriptProcessor makeProcessor​(java.lang.String script)

  Make script specific flavor of Indic script processor.

  Parameters:

  script - tag

  Returns:

  script processor instance

• getSubstitutionFeatures

  public java.lang.String[] getSubstitutionFeatures()

  Obtain script specific required substitution features.

  Overrides:

  getSubstitutionFeatures in class DefaultScriptProcessor

  Returns:

  array of suppported substitution features or null

• getOptionalSubstitutionFeatures

  public java.lang.String[] getOptionalSubstitutionFeatures()

  Obtain script specific optional substitution features.

  Overrides:

  getOptionalSubstitutionFeatures in class ScriptProcessor

  Returns:

  array of suppported substitution features or null

• getSubstitutionContextTester

  public ScriptContextTester getSubstitutionContextTester()

  Obtain script specific substitution context tester.

  Overrides:

  getSubstitutionContextTester in class DefaultScriptProcessor

  Returns:

  substitution context tester or null

• getPositioningFeatures

  public java.lang.String[] getPositioningFeatures()

  Obtain script specific required positioning features.

  Overrides:

  getPositioningFeatures in class DefaultScriptProcessor

  Returns:

  array of suppported positioning features or null

• getOptionalPositioningFeatures

  public java.lang.String[] getOptionalPositioningFeatures()

  Obtain script specific optional positioning features.

  Overrides:

  getOptionalPositioningFeatures in class ScriptProcessor

  Returns:

  array of suppported positioning features or null

• getPositioningContextTester

  public ScriptContextTester getPositioningContextTester()

  Obtain script specific positioning context tester.

  Overrides:

  getPositioningContextTester in class DefaultScriptProcessor

  Returns:

  positioning context tester or null

• substitute

  public 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.

  Overrides:

  substitute in class ScriptProcessor

  Parameters:

  gs - an input glyph sequence

  script - a script identifier

  language - a language identifier

  usa - an ordered array of glyph table use specs

  sct - a script specific context tester (or null)

  Returns:

  the substituted (output) glyph sequence

• getSyllabizerClass

  protected java.lang.Class<? extends IndicScriptProcessor.Syllabizer> getSyllabizerClass()

  Get script specific syllabizer class.

  Returns:

  a syllabizer class object or null

• findPreBaseMatra

  protected int findPreBaseMatra​(GlyphSequence gs)

  Find pre-base matra in sequence.

  Parameters:

  gs - input sequence

  Returns:

  index of pre-base matra or -1 if not found

• findPreBaseMatraTarget

  protected int findPreBaseMatraTarget​(GlyphSequence gs,
                                       int source)

  Find pre-base matra target in sequence.

  Parameters:

  gs - input sequence

  source - index of pre-base matra

  Returns:

  index of pre-base matra target or -1

• findReph

  protected int findReph​(GlyphSequence gs)

  Find reph in sequence.

  Parameters:

  gs - input sequence

  Returns:

  index of reph or -1 if not found

• findRephTarget

  protected int findRephTarget​(GlyphSequence gs,
                               int source)

  Find reph target in sequence.

  Parameters:

  gs - input sequence

  source - index of reph

  Returns:

  index of reph target or -1

• position

  public 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.

  Overrides:

  position in class ScriptProcessor

  Parameters:

  gs - an input glyph sequence

  script - a script identifier

  language - a language identifier

  fontSize - size in device units

  usa - an ordered array of glyph table use specs

  widths - array of default advancements for each glyph in font

  adjustments - 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 sequence

  sct - a script specific context tester (or null)

  Returns:

  true if some adjustment is not zero; otherwise, false