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).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	GlyphCoverageTable.EmptyCoverageTable
private static class	GlyphCoverageTable.MappedCoverageTable
private static class	GlyphCoverageTable.RangeCoverageTable

Nested classes/interfaces inherited from class org.apache.fop.complexscripts.fonts.GlyphMappingTable

GlyphMappingTable.EmptyMappingTable, GlyphMappingTable.MappedMappingTable, GlyphMappingTable.MappingRange, GlyphMappingTable.RangeMappingTable

Field Summary

Fields

Modifier and Type	Field	Description
private GlyphCoverageMapping	cm
static int	GLYPH_COVERAGE_TYPE_EMPTY	empty mapping table
static int	GLYPH_COVERAGE_TYPE_MAPPED	mapped mapping table
static int	GLYPH_COVERAGE_TYPE_RANGE	range based mapping table
private static org.apache.commons.logging.Log	log

Fields inherited from class org.apache.fop.complexscripts.fonts.GlyphMappingTable

GLYPH_MAPPING_TYPE_EMPTY, GLYPH_MAPPING_TYPE_MAPPED, GLYPH_MAPPING_TYPE_RANGE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	GlyphCoverageTable(GlyphCoverageMapping cm)

Method Summary

Modifier and Type	Method	Description
static GlyphCoverageTable	createCoverageTable(java.util.List entries)	Create glyph coverage table.
int	getCoverageIndex(int gid)	Map glyph identifier (code) to coverge index.
int	getCoverageSize()	Obtain size of coverage table, i.e., ciMax + 1, where ciMax is the maximum coverage index.
java.util.List	getEntries()	Obtain mapping entries.
int	getType()	Obtain mapping type.
private static boolean	isMappedCoverage(java.util.List entries)
private static boolean	isRangeCoverage(java.util.List entries)

Methods inherited from class org.apache.fop.complexscripts.fonts.GlyphMappingTable

getMappedIndex, getMappingSize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

private static final org.apache.commons.logging.Log log

GLYPH_COVERAGE_TYPE_EMPTY

public static final int GLYPH_COVERAGE_TYPE_EMPTY

empty mapping table

See Also:

Constant Field Values

GLYPH_COVERAGE_TYPE_MAPPED

public static final int GLYPH_COVERAGE_TYPE_MAPPED

mapped mapping table

See Also:

Constant Field Values

GLYPH_COVERAGE_TYPE_RANGE

public static final int GLYPH_COVERAGE_TYPE_RANGE

range based mapping table

See Also:

Constant Field Values

cm

private GlyphCoverageMapping cm

Constructor Detail

GlyphCoverageTable

private GlyphCoverageTable(GlyphCoverageMapping cm)

Method Detail

getType

public int getType()

Obtain mapping type.

Overrides:

getType in class GlyphMappingTable

Returns:

mapping format type

getEntries

public java.util.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(java.util.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

isMappedCoverage

private static boolean isMappedCoverage(java.util.List entries)

isRangeCoverage

private static boolean isRangeCoverage(java.util.List entries)