org.apache.fop.fonts.truetype

Class OTFSubSetFile

java.lang.Object

org.apache.fop.fonts.truetype.OpenFont

org.apache.fop.fonts.truetype.OTFFile

org.apache.fop.fonts.truetype.OTFSubSetWriter

org.apache.fop.fonts.truetype.OTFSubSetFile

public class OTFSubSetFile
extends org.apache.fop.fonts.truetype.OTFSubSetWriter

Reads an OpenType CFF file and generates a subset The OpenType specification can be found at the Microsoft Typography site: http://www.microsoft.com/typography/otspec/

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.fop.fonts.truetype.OpenFont

org.apache.fop.fonts.truetype.OpenFont.PostScriptVersion

Field Summary

Fields

Modifier and Type	Field and Description
protected CFFDataReader	cffReader The CFF reader object used to read data and offsets from the original font file
protected String	embeddedName The embedded name to change in the name table
protected List<List<byte[]>>	fdSubrs For fonts which have an FDSelect or ROS flag in Top Dict, this is used to store the local subroutine indexes for each group as opposed to the above subsetLocalIndexSubr
protected Map<Integer,Integer>	gidToSID A map of the new GID to SID used to construct the charset table
protected CFFDataReader.CFFIndexData	globalIndexSubr
protected List<Integer>	globalUniques
protected CFFDataReader.CFFIndexData	localIndexSubr
protected List<Integer>	localUniques A list of unique subroutines from the global / local subroutine indexes
static int	NUM_STANDARD_STRINGS The number of standard strings in CFF
protected List<byte[]>	stringIndexData An array used to hold the string index data for the subset font
protected List<byte[]>	subsetCharStringsIndex A list of char string data for each glyph to be stored in the subset font
protected List<byte[]>	subsetGlobalIndexSubr
protected int	subsetGlobalSubrCount
protected Map<Integer,Integer>	subsetGlyphs A map containing each glyph to be included in the subset with their existing and new GID's
protected List<byte[]>	subsetLocalIndexSubr List of subroutines to write to the local / global indexes in the subset font
protected int	subsetLocalSubrCount A store of the number of subroutines each global / local subroutine will store

Fields inherited from class org.apache.fop.fonts.truetype.OTFSubSetWriter

currentPos, output

Fields inherited from class org.apache.fop.fonts.truetype.OTFFile

fileFont

Fields inherited from class org.apache.fop.fonts.truetype.OpenFont

advancedTableReader, cid, dirTabs, embedFontName, familyNames, fontFile, fullName, lastLoca, locaFormat, log, mtxTab, nhmtx, notice, numberOfGlyphs, postScriptName, subFamilyName, svgs, TRACE_ENABLED, unicodeMappings, useAdvanced, useKerning

Constructor Summary

Constructors

Constructor and Description
OTFSubSetFile()

Method Summary

Modifier and Type	Method and Description
protected void	createCFF()
protected void	createCharStringDataCID()
static byte[]	createNewRef(int newRef, int[] operatorCode, int forceLength, boolean isDict)
CFFDataReader	getCFFReader() Returns the parsed CFF data for the original font.
protected List<Integer>	getUsedFDFonts()
void	readFont(org.apache.fop.fonts.truetype.FontFileReader in, String embeddedName, org.apache.fop.fonts.MultiByteFont mbFont)
protected List<Integer>	storeFDStrings(List<Integer> uniqueNewRefs)
protected void	updateCIDOffsets(org.apache.fop.fonts.truetype.OTFSubSetFile.Offsets offsets)
protected void	updateFixedOffsets(Map<String,CFFDataReader.DICTEntry> topDICT, org.apache.fop.fonts.truetype.OTFSubSetFile.Offsets offsets)
protected void	updateOffsets(org.apache.fop.fonts.truetype.OTFSubSetFile.Offsets offsets)
protected byte[]	writeCIDCount(CFFDataReader.DICTEntry dictEntry)
protected List<Integer>	writeCIDDictsAndSubrs(List<Integer> uniqueNewRefs)
protected int	writeFDArray(List<Integer> uniqueNewRefs, List<Integer> privateDictOffsets, List<Integer> fontNameSIDs)
protected void	writeFDSelect()
protected int	writeIndex(List<byte[]> dataArray)
protected int	writeIndex(List<byte[]> dataArray, int offSize)
protected void	writePrivateDict()
protected int	writeTopDICT()

Methods inherited from class org.apache.fop.fonts.truetype.OTFSubSetWriter

concatArray, getFontSubset, writeByte, writeBytes, writeCard16, writeThreeByteNumber, writeULong

Methods inherited from class org.apache.fop.fonts.truetype.OTFFile

getCFFData, initializeFont, isType1, readName, updateBBoxAndOffset

Methods inherited from class org.apache.fop.fonts.truetype.OpenFont

checkTTC, convertTTFUnit2PDFUnit, createCMaps, determineAscDesc, getAnsiKerning, getBBox, getBBoxRaw, getBoundingBoxes, getCapHeight, getCharSetName, getCharWidth, getCharWidthRaw, getCMaps, getCopyrightNotice, getDirectoryEntry, getEmbedFontName, getFamilyNames, getFirstChar, getFlags, getFontBBox, getFullName, getGDEF, getGPOS, getGSUB, getItalicAngle, getKerning, getLastChar, getLowerCaseAscent, getLowerCaseDescent, getMtx, getNumGlyphs, getPadSize, getPostScriptName, getStemV, getStrikeoutPosition, getStrikeoutThickness, getSubFamilyName, getTTCnames, getUnderlinePosition, getUnderlineThickness, getWeightClass, getWidths, getXHeight, guessVerticalMetricsFromGlyphBBox, handleCharacterSpacing, hasAdvancedTable, initAnsiWidths, isCFF, isEmbeddable, main, printStuff, readCMAP, readDirTabs, readFont, readFont, readFontHeader, readHorizontalHeader, readHorizontalMetrics, readKerning, readOS2, readPCLT, readPostScript, seekTab, stream

Methods inherited from class java.lang.Object

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

Field Detail

subsetGlyphs

protected Map<Integer,Integer> subsetGlyphs

A map containing each glyph to be included in the subset with their existing and new GID's

gidToSID

protected Map<Integer,Integer> gidToSID

A map of the new GID to SID used to construct the charset table

localIndexSubr

protected CFFDataReader.CFFIndexData localIndexSubr

globalIndexSubr

protected CFFDataReader.CFFIndexData globalIndexSubr

subsetLocalIndexSubr

protected List<byte[]> subsetLocalIndexSubr

List of subroutines to write to the local / global indexes in the subset font

subsetGlobalIndexSubr

protected List<byte[]> subsetGlobalIndexSubr

fdSubrs

protected List<List<byte[]>> fdSubrs

For fonts which have an FDSelect or ROS flag in Top Dict, this is used to store the local subroutine indexes for each group as opposed to the above subsetLocalIndexSubr

localUniques

protected List<Integer> localUniques

A list of unique subroutines from the global / local subroutine indexes

globalUniques

protected List<Integer> globalUniques

subsetLocalSubrCount

protected int subsetLocalSubrCount

A store of the number of subroutines each global / local subroutine will store

subsetGlobalSubrCount

protected int subsetGlobalSubrCount

subsetCharStringsIndex

protected List<byte[]> subsetCharStringsIndex

A list of char string data for each glyph to be stored in the subset font

embeddedName

protected String embeddedName

The embedded name to change in the name table

stringIndexData

protected List<byte[]> stringIndexData

An array used to hold the string index data for the subset font

cffReader

protected CFFDataReader cffReader

The CFF reader object used to read data and offsets from the original font file

NUM_STANDARD_STRINGS

public static final int NUM_STANDARD_STRINGS

The number of standard strings in CFF

See Also:

Constant Field Values

Constructor Detail

OTFSubSetFile

public OTFSubSetFile()
              throws IOException

Throws:

IOException

Method Detail

readFont

public void readFont(org.apache.fop.fonts.truetype.FontFileReader in,
                     String embeddedName,
                     org.apache.fop.fonts.MultiByteFont mbFont)
              throws IOException

Overrides:

readFont in class org.apache.fop.fonts.truetype.OpenFont

Throws:

IOException

createCFF

protected void createCFF()
                  throws IOException

Throws:

IOException

storeFDStrings

protected List<Integer> storeFDStrings(List<Integer> uniqueNewRefs)
                                throws IOException

Throws:

IOException

writeTopDICT

protected int writeTopDICT()
                    throws IOException

Throws:

IOException

writeCIDCount

protected byte[] writeCIDCount(CFFDataReader.DICTEntry dictEntry)
                        throws IOException

Throws:

IOException

createCharStringDataCID

protected void createCharStringDataCID()
                                throws IOException

Throws:

IOException

writeFDSelect

protected void writeFDSelect()

getUsedFDFonts

protected List<Integer> getUsedFDFonts()

writeCIDDictsAndSubrs

protected List<Integer> writeCIDDictsAndSubrs(List<Integer> uniqueNewRefs)
                                       throws IOException

Throws:

IOException

writeFDArray

protected int writeFDArray(List<Integer> uniqueNewRefs,
                           List<Integer> privateDictOffsets,
                           List<Integer> fontNameSIDs)
                    throws IOException

Throws:

IOException

createNewRef

public static byte[] createNewRef(int newRef,
                                  int[] operatorCode,
                                  int forceLength,
                                  boolean isDict)

writeIndex

protected int writeIndex(List<byte[]> dataArray)

writeIndex

protected int writeIndex(List<byte[]> dataArray,
                         int offSize)

writePrivateDict

protected void writePrivateDict()
                         throws IOException

Throws:

IOException

updateOffsets

protected void updateOffsets(org.apache.fop.fonts.truetype.OTFSubSetFile.Offsets offsets)
                      throws IOException

Throws:

IOException

updateFixedOffsets

protected void updateFixedOffsets(Map<String,CFFDataReader.DICTEntry> topDICT,
                                  org.apache.fop.fonts.truetype.OTFSubSetFile.Offsets offsets)
                           throws IOException

Throws:

IOException

updateCIDOffsets

protected void updateCIDOffsets(org.apache.fop.fonts.truetype.OTFSubSetFile.Offsets offsets)
                         throws IOException

Throws:

IOException

getCFFReader

public CFFDataReader getCFFReader()

Returns the parsed CFF data for the original font.

Returns:

The CFFDataReader contaiing the parsed data