Class GlyphPositioningTable.ChainedContextualSubtable

    • Constructor Detail

      • ChainedContextualSubtable

        ChainedContextualSubtable​(java.lang.String id,
                                  int sequence,
                                  int flags,
                                  int format,
                                  GlyphCoverageTable coverage,
                                  java.util.List entries)
    • Method Detail

      • getType

        public int getType()
        Specified by:
        getType in class GlyphSubtable
        Returns:
        this subtable's type
      • isCompatible

        public boolean isCompatible​(GlyphSubtable subtable)
        Determine if a glyph subtable is compatible with this glyph subtable. Two glyph subtables are compatible if the both may appear in a single lookup table.
        Overrides:
        isCompatible in class GlyphPositioningSubtable
        Parameters:
        subtable - a glyph subtable to determine compatibility
        Returns:
        true if specified subtable is compatible with this glyph subtable, where by compatible is meant that they share the same lookup type
      • position

        public boolean position​(GlyphPositioningState ps)
        Perform glyph positioning at the current index, mutating the positioning state object as required. Only the context associated with the current index is processed.
        Specified by:
        position in interface GlyphPositioning
        Overrides:
        position in class GlyphPositioningSubtable
        Parameters:
        ps - glyph positioning state object
        Returns:
        true if the glyph subtable applies, meaning that the current context matches the associated input context glyph coverage table; note that returning true does not mean any position adjustment occurred; it only means that no further glyph subtables for the current lookup table should be applied.
      • getLookups

        public abstract GlyphTable.RuleLookup[] getLookups​(int ci,
                                                           int gi,
                                                           GlyphPositioningState ps,
                                                           int[] rv)
        Obtain rule lookups set associated current input glyph context.
        Parameters:
        ci - coverage index of glyph at current position
        gi - glyph index of glyph at current position
        ps - glyph positioning state
        rv - array of ints used to receive multiple return values, must be of length 1 or greater, where the first entry is used to return the input sequence length of the matched rule
        Returns:
        array of rule lookups or null if none applies