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 Summary

Methods

Modifier and Type	Method and Description
int[][]	performPositioning(CharSequence cs, String script, String language) Perform glyph positioning using an implied font size.
int[][]	performPositioning(CharSequence cs, String script, String language, int fontSize) Perform glyph positioning.
boolean	performsPositioning() Determines if font performs glyph positioning.

Method Detail

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