Package org.apache.fop.complexscripts.fonts

Class GlyphTable.UseSpec

java.lang.Object
org.apache.fop.complexscripts.fonts.GlyphTable.UseSpec
All Implemented Interfaces:
Comparable
Enclosing class:
GlyphTable
public static class GlyphTable.UseSpec extends Object implements Comparable
The UseSpec class comprises a lookup table reference and the feature that selected the lookup table.

  • Constructor Details

    • UseSpec

      public UseSpec(GlyphTable.LookupTable lookupTable, String feature)
      Construct a glyph lookup table use specification.
      Parameters:
      lookupTable - a glyph lookup table
      feature - a feature that caused lookup table selection

  • Method Details

    • getLookupTable

      public GlyphTable.LookupTable getLookupTable()
      Returns:
      the lookup table

    • getFeature

      public String getFeature()
      Returns:
      the feature that selected this lookup table

    • substitute

      public GlyphSequence substitute(GlyphSequence gs, String script, String language, ScriptContextTester sct)
      Perform substitution processing using this use specification's lookup table.
      Parameters:
      gs - an input glyph sequence
      script - a script identifier
      language - a language identifier
      sct - a script specific context tester (or null)
      Returns:
      the substituted (output) glyph sequence

    • position

      public boolean position(GlyphSequence gs, String script, String language, int fontSize, int[] widths, int[][] adjustments, ScriptContextTester sct)
      Perform positioning processing using this use specification's lookup table.
      Parameters:
      gs - an input glyph sequence
      script - a script identifier
      language - a language identifier
      fontSize - size in device units
      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

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • compareTo

      public int compareTo(Object o)
      Specified by:
      compareTo in interface Comparable