Package org.apache.fop.complexscripts.fonts

Interface Positionable

All Known Implementing Classes:
CFFToType1Font, CustomFontMetricsMapper, Font, LazyFont, MultiByteFont
public interface Positionable

Optional interface which indicates that glyph positioning is supported and, if supported, can perform positioning.

This work was originally authored by Glenn Adams (gadams@apache.org).

  • Method Details

    • performsPositioning

      boolean performsPositioning()
      Determines if font performs glyph positioning.
      Returns:
      true if performs positioning

    • performPositioning

      int[][] performPositioning(CharSequence cs, String script, String language, int fontSize)
      Perform glyph positioning.
      Parameters:
      cs - character sequence to map to position offsets (advancement adjustments)
      script - a script identifier
      language - a language identifier
      fontSize - font size
      Returns:
      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, or null if no non-zero adjustment applies

    • performPositioning

      int[][] performPositioning(CharSequence cs, String script, String language)
      Perform glyph positioning using an implied font size.
      Parameters:
      cs - character sequence to map to position offsets (advancement adjustments)
      script - a script identifier
      language - a language identifier
      Returns:
      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, or null if no non-zero adjustment applies