Package 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 java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
protected OpenTypeFeature	featuresType
private OpenTypeGdefTableReader	gdef
private java.util.Map<java.lang.Integer,Glyph>	indexGlyphMap
protected java.util.List<OpenTableLookup>	lookupList
protected RandomAccessFileOrArray	rf
protected OpenTypeScript	scriptsType
protected int	tableLocation
private int	unitsPerEm

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
java.util.List<FeatureRecord>	getFeatureRecords()
java.util.List<FeatureRecord>	getFeatures(java.lang.String[] scripts, java.lang.String language)
Glyph	getGlyph(int index)
int	getGlyphClass(int glyphCode)
LanguageRecord	getLanguageRecord(java.lang.String otfScriptTag)
LanguageRecord	getLanguageRecord(java.lang.String otfScriptTag, java.lang.String langTag)
java.util.List<OpenTableLookup>	getLookups(FeatureRecord feature)
java.util.List<OpenTableLookup>	getLookups(FeatureRecord[] features)
OpenTableLookup	getLookupTable(int idx)
FeatureRecord	getRequiredFeature(java.lang.String[] scripts, java.lang.String language)
java.util.List<ScriptRecord>	getScriptRecords()
java.util.List<FeatureRecord>	getSpecificFeatures(java.util.List<FeatureRecord> features, java.lang.String[] specific)
int	getUnitsPerEm()
boolean	isSkip(int glyph, int flag)
protected OtfClass	readClassDefinition(int classLocation)
protected java.util.List<java.lang.Integer>	readCoverageFormat(int coverageLocation)
protected void	readCoverages(int[] locations, java.util.List<java.util.Set<java.lang.Integer>> coverage)
private void	readLookupListTable(int lookupListTableLocation)
private void	readLookupTable(int lookupTableLocation)
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)
(package private) void	startReadingTable()	This is the starting point of the class.

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 java.util.List<OpenTableLookup> lookupList

scriptsType

protected OpenTypeScript scriptsType

featuresType

protected OpenTypeFeature featuresType

indexGlyphMap

private final java.util.Map<java.lang.Integer,Glyph> indexGlyphMap

gdef

private final OpenTypeGdefTableReader gdef

unitsPerEm

private final int unitsPerEm

Constructor Detail

OpenTypeFontTableReader

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

Method Detail

getGlyph

public Glyph getGlyph(int index)

getLookupTable

public OpenTableLookup getLookupTable(int idx)

getScriptRecords

public java.util.List<ScriptRecord> getScriptRecords()

getFeatureRecords

public java.util.List<FeatureRecord> getFeatureRecords()

getFeatures

public java.util.List<FeatureRecord> getFeatures(java.lang.String[] scripts,
                                                 java.lang.String language)

getSpecificFeatures

public java.util.List<FeatureRecord> getSpecificFeatures(java.util.List<FeatureRecord> features,
                                                         java.lang.String[] specific)

getRequiredFeature

public FeatureRecord getRequiredFeature(java.lang.String[] scripts,
                                        java.lang.String language)

getLookups

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

getLookups

public java.util.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(java.lang.String otfScriptTag)

getLanguageRecord

public LanguageRecord getLanguageRecord(java.lang.String otfScriptTag,
                                        java.lang.String langTag)

readLookupTable

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

Throws:

java.io.IOException

readClassDefinition

protected final OtfClass readClassDefinition(int classLocation)

readUShortArray

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

Throws:

java.io.IOException

readUShortArray

protected final int[] readUShortArray(int size)
                               throws java.io.IOException

Throws:

java.io.IOException

readCoverages

protected void readCoverages(int[] locations,
                             java.util.List<java.util.Set<java.lang.Integer>> coverage)
                      throws java.io.IOException

Throws:

java.io.IOException

readCoverageFormat

protected final java.util.List<java.lang.Integer> readCoverageFormat(int coverageLocation)
                                                              throws java.io.IOException

Throws:

java.io.IOException

readSubstLookupRecords

protected SubstLookupRecord[] readSubstLookupRecords(int substCount)
                                              throws java.io.IOException

Throws:

java.io.IOException

readPosLookupRecords

protected PosLookupRecord[] readPosLookupRecords(int substCount)
                                          throws java.io.IOException

Throws:

java.io.IOException

readTagAndLocations

protected TagAndLocation[] readTagAndLocations(int baseLocation)
                                        throws java.io.IOException

Throws:

java.io.IOException

startReadingTable

final void startReadingTable()
                      throws FontReadingException

This is the starting point of the class. A sub-class must call this method to start getting call backs to the readLookupTable(int, int, int[]) method.

Throws:

FontReadingException

readLookupListTable

private void readLookupListTable(int lookupListTableLocation)
                          throws java.io.IOException

Throws:

java.io.IOException

readLookupTable

private void readLookupTable(int lookupTableLocation)
                      throws java.io.IOException

Throws:

java.io.IOException