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.OTFSubSetFile

public class OTFSubSetFile
extends OTFFile

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

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 int	currentPos
protected java.lang.String	embeddedName The embedded name to change in the name table
protected java.util.LinkedHashMap<java.lang.Integer,java.lang.Integer>	gidToSID A map of the new GID to SID used to construct the charset table
protected CFFDataReader.CFFIndexData	globalIndexSubr
protected java.util.List<java.lang.Integer>	globalUniques
protected CFFDataReader.CFFIndexData	localIndexSubr
protected java.util.List<java.lang.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 byte[]	output
protected java.util.List<byte[]>	stringIndexData An array used to hold the string index data for the subset font
protected java.util.List<byte[]>	subsetCharStringsIndex A list of char string data for each glyph to be stored in the subset font
protected java.util.List<byte[]>	subsetGlobalIndexSubr
protected int	subsetGlobalSubrCount
protected java.util.LinkedHashMap<java.lang.Integer,java.lang.Integer>	subsetGlyphs A map containing each glyph to be included in the subset with their existing and new GID's
protected java.util.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.OTFFile

fileFont

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

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

Constructor Summary

Constructors

Constructor and Description
OTFSubSetFile()

Method Summary

Modifier and Type	Method and Description
static byte[]	concatArray(byte[] a, byte[] b)
protected void	createCFF()
protected void	createCharStringDataCID()
static byte[]	createNewRef(int newRef, int[] operatorCode, int forceLength)
CFFDataReader	getCFFReader() Returns the parsed CFF data for the original font.
byte[]	getFontSubset() Returns a subset of the fonts (readFont() MUST be called first in order to create the subset).
protected java.util.List<java.lang.Integer>	getUsedFDFonts()
void	readFont(FontFileReader in, java.lang.String embeddedName, java.lang.String header, MultiByteFont mbFont)
protected java.util.List<java.lang.Integer>	storeFDStrings(java.util.List<java.lang.Integer> uniqueNewRefs)
protected void	updateCIDOffsets(int topDictDataOffset, int fdArrayOffset, int fdSelectOffset, int charsetOffset, int charStringOffset, int encodingOffset)
protected void	updateFixedOffsets(java.util.Map<java.lang.String,CFFDataReader.DICTEntry> topDICT, int dataTopDictOffset, int charsetOffset, int charStringOffset, int encodingOffset)
protected byte[]	updateOffset(byte[] out, int position, int length, int replacement)
protected void	updateOffsets(int topDictOffset, int charsetOffset, int charStringOffset, int privateDictOffset, int localIndexOffset, int encodingOffset)
protected void	writeByte(int b) Appends a byte to the output array, updates currentPost but not realSize
protected void	writeBytes(byte[] out)
protected void	writeBytes(byte[] out, int offset, int length)
protected void	writeCard16(int s) Appends a USHORT to the output array, updates currentPost but not realSize
protected void	writeCIDCount(CFFDataReader.DICTEntry dictEntry)
protected java.util.List<java.lang.Integer>	writeCIDDictsAndSubrs(java.util.List<java.lang.Integer> uniqueNewRefs)
protected int	writeFDArray(java.util.List<java.lang.Integer> uniqueNewRefs, java.util.List<java.lang.Integer> privateDictOffsets, java.util.List<java.lang.Integer> fontNameSIDs)
protected void	writeFDSelect()
protected int	writeIndex(java.util.List<byte[]> dataArray)
protected void	writePrivateDict()
protected void	writeTopDICT()

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

getCFFData, initializeFont, 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, 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, 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

output

protected byte[] output

currentPos

protected int currentPos

subsetGlyphs

protected java.util.LinkedHashMap<java.lang.Integer,java.lang.Integer> subsetGlyphs

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

gidToSID

protected java.util.LinkedHashMap<java.lang.Integer,java.lang.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 java.util.List<byte[]> subsetLocalIndexSubr

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

subsetGlobalIndexSubr

protected java.util.List<byte[]> subsetGlobalIndexSubr

localUniques

protected java.util.List<java.lang.Integer> localUniques

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

globalUniques

protected java.util.List<java.lang.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 java.util.List<byte[]> subsetCharStringsIndex

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

embeddedName

protected java.lang.String embeddedName

The embedded name to change in the name table

stringIndexData

protected java.util.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 java.io.IOException

Throws:

java.io.IOException

Method Detail

readFont

public void readFont(FontFileReader in,
                     java.lang.String embeddedName,
                     java.lang.String header,
                     MultiByteFont mbFont)
              throws java.io.IOException

Throws:

java.io.IOException

createCFF

protected void createCFF()
                  throws java.io.IOException

Throws:

java.io.IOException

storeFDStrings

protected java.util.List<java.lang.Integer> storeFDStrings(java.util.List<java.lang.Integer> uniqueNewRefs)
                                                    throws java.io.IOException

Throws:

java.io.IOException

writeBytes

protected void writeBytes(byte[] out)

writeBytes

protected void writeBytes(byte[] out,
                          int offset,
                          int length)

writeTopDICT

protected void writeTopDICT()
                     throws java.io.IOException

Throws:

java.io.IOException

writeCIDCount

protected void writeCIDCount(CFFDataReader.DICTEntry dictEntry)
                      throws java.io.IOException

Throws:

java.io.IOException

createCharStringDataCID

protected void createCharStringDataCID()
                                throws java.io.IOException

Throws:

java.io.IOException

writeFDSelect

protected void writeFDSelect()

getUsedFDFonts

protected java.util.List<java.lang.Integer> getUsedFDFonts()

writeCIDDictsAndSubrs

protected java.util.List<java.lang.Integer> writeCIDDictsAndSubrs(java.util.List<java.lang.Integer> uniqueNewRefs)
                                                           throws java.io.IOException

Throws:

java.io.IOException

writeFDArray

protected int writeFDArray(java.util.List<java.lang.Integer> uniqueNewRefs,
                           java.util.List<java.lang.Integer> privateDictOffsets,
                           java.util.List<java.lang.Integer> fontNameSIDs)
                    throws java.io.IOException

Throws:

java.io.IOException

createNewRef

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

concatArray

public static byte[] concatArray(byte[] a,
                                 byte[] b)

writeIndex

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

writePrivateDict

protected void writePrivateDict()
                         throws java.io.IOException

Throws:

java.io.IOException

updateOffsets

protected void updateOffsets(int topDictOffset,
                             int charsetOffset,
                             int charStringOffset,
                             int privateDictOffset,
                             int localIndexOffset,
                             int encodingOffset)
                      throws java.io.IOException

Throws:

java.io.IOException

updateFixedOffsets

protected void updateFixedOffsets(java.util.Map<java.lang.String,CFFDataReader.DICTEntry> topDICT,
                                  int dataTopDictOffset,
                                  int charsetOffset,
                                  int charStringOffset,
                                  int encodingOffset)

updateCIDOffsets

protected void updateCIDOffsets(int topDictDataOffset,
                                int fdArrayOffset,
                                int fdSelectOffset,
                                int charsetOffset,
                                int charStringOffset,
                                int encodingOffset)

updateOffset

protected byte[] updateOffset(byte[] out,
                              int position,
                              int length,
                              int replacement)

writeByte

protected void writeByte(int b)

Appends a byte to the output array, updates currentPost but not realSize

writeCard16

protected void writeCard16(int s)

Appends a USHORT to the output array, updates currentPost but not realSize

getFontSubset

public byte[] getFontSubset()

Returns a subset of the fonts (readFont() MUST be called first in order to create the subset).

Returns:

byte array

getCFFReader

public CFFDataReader getCFFReader()

Returns the parsed CFF data for the original font.

Returns:

The CFFDataReader contaiing the parsed data