com.itextpdf.io.font.otf

Class OpenTypeFontTableReader

java.lang.Object

com.itextpdf.io.font.otf.OpenTypeFontTableReader

Direct Known Subclasses:

GlyphPositioningTableReader, GlyphSubstitutionTableReader

public abstract class OpenTypeFontTableReader
extends Object

Author:

Palash Ray

Field Summary

Fields

Modifier and Type	Field and Description
protected OpenTypeFeature	featuresType
protected List<OpenTableLookup>	lookupList
protected RandomAccessFileOrArray	rf
protected OpenTypeScript	scriptsType
protected int	tableLocation

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OpenTypeFontTableReader(RandomAccessFileOrArray rf, int tableLocation, OpenTypeGdefTableReader gdef, Map<Integer,Glyph> indexGlyphMap, int unitsPerEm)

Method Summary

Modifier and Type	Method and Description
List<FeatureRecord>	getFeatureRecords()
List<FeatureRecord>	getFeatures(String[] scripts, String language)
Glyph	getGlyph(int index)
int	getGlyphClass(int glyphCode)
LanguageRecord	getLanguageRecord(String otfScriptTag)
LanguageRecord	getLanguageRecord(String otfScriptTag, String langTag)
List<OpenTableLookup>	getLookups(FeatureRecord feature)
List<OpenTableLookup>	getLookups(FeatureRecord[] features)
OpenTableLookup	getLookupTable(int idx)
FeatureRecord	getRequiredFeature(String[] scripts, String language)
List<ScriptRecord>	getScriptRecords()
List<FeatureRecord>	getSpecificFeatures(List<FeatureRecord> features, String[] specific)
int	getUnitsPerEm()
boolean	isSkip(int glyph, int flag)
protected OtfClass	readClassDefinition(int classLocation)
protected List<Integer>	readCoverageFormat(int coverageLocation)
protected void	readCoverages(int[] locations, List<Set<Integer>> coverage)
protected abstract OpenTableLookup	readLookupTable(int lookupType, int lookupFlag, int[] subTableLocations)
protected PosLookupRecord[]	readPosLookupRecords(int substCount)
protected SubstLookupRecord[]	readSubstLookupRecords(int substCount)
protected TagAndLocation[]	readTagAndLocations(int baseLocation)
protected int[]	readUShortArray(int size)
protected int[]	readUShortArray(int size, int location)

Methods inherited from class java.lang.Object

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

Field Detail

rf

protected final RandomAccessFileOrArray rf

tableLocation

protected final int tableLocation

lookupList

protected List<OpenTableLookup> lookupList

scriptsType

protected OpenTypeScript scriptsType

featuresType

protected OpenTypeFeature featuresType

Constructor Detail

OpenTypeFontTableReader

protected OpenTypeFontTableReader(RandomAccessFileOrArray rf,
                                  int tableLocation,
                                  OpenTypeGdefTableReader gdef,
                                  Map<Integer,Glyph> indexGlyphMap,
                                  int unitsPerEm)

Method Detail

getGlyph

public Glyph getGlyph(int index)

getLookupTable

public OpenTableLookup getLookupTable(int idx)

getScriptRecords

public List<ScriptRecord> getScriptRecords()

getFeatureRecords

public List<FeatureRecord> getFeatureRecords()

getFeatures

public List<FeatureRecord> getFeatures(String[] scripts,
                                       String language)

getSpecificFeatures

public List<FeatureRecord> getSpecificFeatures(List<FeatureRecord> features,
                                               String[] specific)

getRequiredFeature

public FeatureRecord getRequiredFeature(String[] scripts,
                                        String language)

getLookups

public List<OpenTableLookup> getLookups(FeatureRecord[] features)

getLookups

public List<OpenTableLookup> getLookups(FeatureRecord feature)

isSkip

public boolean isSkip(int glyph,
                      int flag)

getGlyphClass

public int getGlyphClass(int glyphCode)

getUnitsPerEm

public int getUnitsPerEm()

getLanguageRecord

public LanguageRecord getLanguageRecord(String otfScriptTag)

getLanguageRecord

public LanguageRecord getLanguageRecord(String otfScriptTag,
                                        String langTag)

readLookupTable

protected abstract OpenTableLookup readLookupTable(int lookupType,
                                                   int lookupFlag,
                                                   int[] subTableLocations)
                                            throws IOException

Throws:

IOException

readClassDefinition

protected final OtfClass readClassDefinition(int classLocation)

readUShortArray

protected final int[] readUShortArray(int size,
                                      int location)
                               throws IOException

Throws:

IOException

readUShortArray

protected final int[] readUShortArray(int size)
                               throws IOException

Throws:

IOException

readCoverages

protected void readCoverages(int[] locations,
                             List<Set<Integer>> coverage)
                      throws IOException

Throws:

IOException

readCoverageFormat

protected final List<Integer> readCoverageFormat(int coverageLocation)
                                          throws IOException

Throws:

IOException

readSubstLookupRecords

protected SubstLookupRecord[] readSubstLookupRecords(int substCount)
                                              throws IOException

Throws:

IOException

readPosLookupRecords

protected PosLookupRecord[] readPosLookupRecords(int substCount)
                                          throws IOException

Throws:

IOException

readTagAndLocations

protected TagAndLocation[] readTagAndLocations(int baseLocation)
                                        throws IOException

Throws:

IOException