Package org.apache.fop.complexscripts.fonts

Class GlyphTable.UseSpec

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

    • Constructor Detail

      • UseSpec

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

    • Method Detail

      • getFeature

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

      • substitute

        public GlyphSequence substitute​(GlyphSequence gs,
                                java.lang.String script,
                                java.lang.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,
                        java.lang.String script,
                        java.lang.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 java.lang.Object

      • equals

        public boolean equals​(java.lang.Object o)
        Overrides:
        equals in class java.lang.Object

      • compareTo

        public int compareTo​(java.lang.Object o)
        Specified by:
        compareTo in interface java.lang.Comparable