Package org.apache.fop.complexscripts.fonts

Class GlyphCoverageTable

java.lang.Object
org.apache.fop.complexscripts.fonts.GlyphMappingTable
org.apache.fop.complexscripts.fonts.GlyphCoverageTable
All Implemented Interfaces:
GlyphCoverageMapping
public final class GlyphCoverageTable extends GlyphMappingTable implements GlyphCoverageMapping

.Base class implementation of glyph coverage table.

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

  • Field Details

    • GLYPH_COVERAGE_TYPE_EMPTY

      public static final int GLYPH_COVERAGE_TYPE_EMPTY
      empty mapping table
      See Also:

    • GLYPH_COVERAGE_TYPE_MAPPED

      public static final int GLYPH_COVERAGE_TYPE_MAPPED
      mapped mapping table
      See Also:

    • GLYPH_COVERAGE_TYPE_RANGE

      public static final int GLYPH_COVERAGE_TYPE_RANGE
      range based mapping table
      See Also:

  • Method Details

    • getType

      public int getType()
      Obtain mapping type.
      Overrides:
      getType in class GlyphMappingTable
      Returns:
      mapping format type

    • getEntries

      public List getEntries()
      Obtain mapping entries.
      Overrides:
      getEntries in class GlyphMappingTable
      Returns:
      list of mapping entries

    • getCoverageSize

      public int getCoverageSize()
      Obtain size of coverage table, i.e., ciMax + 1, where ciMax is the maximum coverage index.
      Specified by:
      getCoverageSize in interface GlyphCoverageMapping
      Returns:
      size of coverage table

    • getCoverageIndex

      public int getCoverageIndex(int gid)
      Map glyph identifier (code) to coverge index. Returns -1 if glyph identifier is not in the domain of the coverage table.
      Specified by:
      getCoverageIndex in interface GlyphCoverageMapping
      Parameters:
      gid - glyph identifier (code)
      Returns:
      non-negative glyph coverage index or -1 if glyph identifiers is not mapped by table

    • createCoverageTable

      public static GlyphCoverageTable createCoverageTable(List entries)
      Create glyph coverage table.
      Parameters:
      entries - list of mapped or ranged coverage entries, or null or empty list
      Returns:
      a new covera table instance