Top Description Fields Constructors Methods

org.apache.pdfbox.pdmodel.font

pack-priv abstract Class TrueTypeEmbedder

Class Inheritance

extends Object
implements Subsetter

java.lang.Object
org.apache.pdfbox.pdmodel.font.TrueTypeEmbedder

All Implemented Interfaces

org.apache.pdfbox.pdmodel.font.Subsetter

Known Direct Subclasses

org.apache.pdfbox.pdmodel.font.PDCIDFontType2Embedder, org.apache.pdfbox.pdmodel.font.PDTrueTypeFontEmbedder

Imports

java.awt.geom.GeneralPath, java.io.ByteArrayInputStream, .ByteArrayOutputStream, .IOException, .InputStream, java.util.ArrayList, .HashSet, .List, .Map, .Set, org.apache.fontbox.ttf.CmapLookup, .HeaderTable, .HorizontalHeaderTable, .OS2WindowsMetricsTable, .PostScriptTable, .TTFParser, .TTFSubsetter, .TrueTypeFont, org.apache.pdfbox.cos.COSDictionary, .COSName, org.apache.pdfbox.pdmodel.PDDocument, org.apache.pdfbox.pdmodel.common.PDRectangle, .PDStream

Common functionality for embedding TrueType fonts.

Authors: Ben Litchfield, John Hewson

Field Summary

Modifier and Type	Field and Description
private final Set<Integer>	allGlyphIds
private static final String	BASE25
protected final CmapLookup	cmapLookup
private final PDDocument	document
private final boolean	embedSubset
protected PDFontDescriptor	fontDescriptor
private static final int	ITALIC
private static final int	OBLIQUE
private final Set<Integer>	subsetCodePoints
protected TrueTypeFont	ttf

Constructor Summary

Access	Constructor and Description
pack-priv	TrueTypeEmbedder(PDDocument document, COSDictionary dict, TrueTypeFont ttf, boolean embedSubset) Creates a new TrueType font for embedding.

Method Summary

Modifier and Type	Method and Description
public void	addGlyphIds(Set<Integer> glyphIds)
public void	addToSubset(int Unicode code point codePoint) Implements org.apache.pdfbox.pdmodel.font.Subsetter.addToSubset. Adds the given Unicode code point to this subset.
public final void	buildFontFile2(InputStream ttfStream)
protected abstract void	buildSubset(InputStream ttfSubset, String tag, Map<Integer, Integer> gidToCid) Rebuild a font subset.
private PDFontDescriptor	createFontDescriptor(TrueTypeFont ttf) Creates a new font descriptor dictionary for the given TTF.
public PDFontDescriptor	getFontDescriptor() Returns the font descriptor.
public String	getTag(Map<Integer, Integer> gidToCid) Returns an uppercase 6-character unique tag for the given subset.
pack-priv final boolean	isEmbeddingPermitted(TrueTypeFont ttf) Returns true if the fsType in the OS/2 table permits embedding.
private boolean	isSubsettingPermitted(TrueTypeFont ttf) Returns true if the fsType in the OS/2 table permits subsetting.
public boolean	needsSubset() Returns true if the font needs to be subset.
public void	subset() Implements org.apache.pdfbox.pdmodel.font.Subsetter.subset. Subset this font now.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

allGlyphIds	back to summary
private final Set<Integer> allGlyphIds

BASE25	back to summary
private static final String BASE25

cmapLookup	back to summary
protected final CmapLookup cmapLookup

document	back to summary
private final PDDocument document

embedSubset	back to summary
private final boolean embedSubset

fontDescriptor	back to summary
protected PDFontDescriptor fontDescriptor

ITALIC	back to summary
private static final int ITALIC

OBLIQUE	back to summary
private static final int OBLIQUE

subsetCodePoints	back to summary
private final Set<Integer> subsetCodePoints

ttf	back to summary
protected TrueTypeFont ttf

Constructor Detail

TrueTypeEmbedder	back to summary
pack-priv TrueTypeEmbedder(PDDocument document, COSDictionary dict, TrueTypeFont ttf, boolean embedSubset) throws IOException Creates a new TrueType font for embedding.

Method Detail

addGlyphIds	back to summary
public void addGlyphIds(Set<Integer> glyphIds)

addToSubset

back to summary

public void addToSubset(int codePoint)

Implements org.apache.pdfbox.pdmodel.font.Subsetter.addToSubset.

Doc from org.apache.pdfbox.pdmodel.font.Subsetter.addToSubset.

Adds the given Unicode code point to this subset.

Parameters

codePoint:int: Unicode code point

Annotations

@Override

buildFontFile2	back to summary
public final void buildFontFile2(InputStream ttfStream) throws IOException

buildSubset	back to summary
protected abstract void buildSubset(InputStream ttfSubset, String tag, Map<Integer, Integer> gidToCid) throws IOException Rebuild a font subset.

createFontDescriptor	back to summary
private PDFontDescriptor createFontDescriptor(TrueTypeFont ttf) throws IOException Creates a new font descriptor dictionary for the given TTF.

getFontDescriptor	back to summary
public PDFontDescriptor getFontDescriptor() Returns the font descriptor.

getTag	back to summary
public String getTag(Map<Integer, Integer> gidToCid) Returns an uppercase 6-character unique tag for the given subset.

isEmbeddingPermitted	back to summary
pack-priv final boolean isEmbeddingPermitted(TrueTypeFont ttf) throws IOException Returns true if the fsType in the OS/2 table permits embedding.

isSubsettingPermitted	back to summary
private boolean isSubsettingPermitted(TrueTypeFont ttf) throws IOException Returns true if the fsType in the OS/2 table permits subsetting.

needsSubset	back to summary
public boolean needsSubset() Returns true if the font needs to be subset.

subset

back to summary

public void subset() throws IOException

Implements org.apache.pdfbox.pdmodel.font.Subsetter.subset.

Doc from org.apache.pdfbox.pdmodel.font.Subsetter.subset.

Subset this font now.

Annotations

@Override

Exceptions

IOException:: if the font could not be read