com.lowagie.text.pdf

Class DocumentFont

java.lang.Object

com.lowagie.text.pdf.BaseFont

com.lowagie.text.pdf.DocumentFont

Direct Known Subclasses:

CMapAwareDocumentFont

public class DocumentFont
extends BaseFont

Author:

psoares

Nested Class Summary

Nested classes/interfaces inherited from class com.lowagie.text.pdf.BaseFont

BaseFont.StreamFont

Field Summary

Fields

Modifier and Type	Field and Description
private float	Ascender
private float	CapHeight
private static java.lang.String[]	cjkEncs
private static java.lang.String[]	cjkEncs2
private BaseFont	cjkMirror
private static java.lang.String[]	cjkNames
private static java.lang.String[]	cjkNames2
private float	Descender
private IntHashtable	diffmap
private PdfDictionary	font
private java.lang.String	fontName
private boolean	isType0
private float	ItalicAngle
private float	llx
private float	lly
private java.util.HashMap	metrics
private PRIndirectReference	refFont
private static int[]	stdEnc
private IntHashtable	uni2byte
private float	urx
private float	ury

Fields inherited from class com.lowagie.text.pdf.BaseFont

ASCENT, AWT_ASCENT, AWT_DESCENT, AWT_LEADING, AWT_MAXADVANCE, BBOXLLX, BBOXLLY, BBOXURX, BBOXURY, BuiltinFonts14, CACHED, CAPHEIGHT, CHAR_RANGE_ARABIC, CHAR_RANGE_CYRILLIC, CHAR_RANGE_HEBREW, CHAR_RANGE_LATIN, charBBoxes, CID_NEWLINE, compressionLevel, COURIER, COURIER_BOLD, COURIER_BOLDOBLIQUE, COURIER_OBLIQUE, CP1250, CP1252, CP1257, DESCENT, differences, directTextToByte, embedded, EMBEDDED, encoding, fastWinansi, FONT_TYPE_CJK, FONT_TYPE_DOCUMENT, FONT_TYPE_T1, FONT_TYPE_T3, FONT_TYPE_TT, FONT_TYPE_TTUNI, fontCache, fontSpecific, fontType, forceWidthsOutput, HELVETICA, HELVETICA_BOLD, HELVETICA_BOLDOBLIQUE, HELVETICA_OBLIQUE, IDENTITY_H, IDENTITY_V, ITALICANGLE, MACROMAN, NOT_CACHED, NOT_EMBEDDED, notdef, RESOURCE_PATH, specialMap, STRIKETHROUGH_POSITION, STRIKETHROUGH_THICKNESS, SUBSCRIPT_OFFSET, SUBSCRIPT_SIZE, subset, subsetRanges, SUPERSCRIPT_OFFSET, SUPERSCRIPT_SIZE, SYMBOL, TIMES_BOLD, TIMES_BOLDITALIC, TIMES_ITALIC, TIMES_ROMAN, UNDERLINE_POSITION, UNDERLINE_THICKNESS, unicodeDifferences, widths, WINANSI, ZAPFDINGBATS

Constructor Summary

Constructors

Constructor and Description
DocumentFont(PRIndirectReference refFont) Creates a new instance of DocumentFont

Method Summary

Modifier and Type	Method and Description
boolean	charExists(int c) Checks if a character exists in this font.
(package private) byte[]	convertToBytes(int char1) Converts a char to a byte array according to the font's encoding.
(package private) byte[]	convertToBytes(java.lang.String text) Converts a String to a byte array according to the font's encoding.
private java.lang.String	decodeString(PdfString ps)
private void	doType1TT()
private void	fillEncoding(PdfName encoding)
private void	fillFontDesc(PdfDictionary fontDesc)
private void	fillMetrics(byte[] touni, IntHashtable widths, int dw)
java.lang.String[][]	getAllNameEntries() Gets all the entries of the names-table.
int[]	getCharBBox(int c) Gets the smallest box enclosing the character contours.
java.lang.String[][]	getFamilyFontName() Gets the family name of the font.
float	getFontDescriptor(int key, float fontSize) Gets the font parameter identified by key.
java.lang.String[][]	getFullFontName() Gets the full name of the font.
PdfStream	getFullFontStream() Always returns null.
(package private) PdfIndirectReference	getIndirectReference()
int	getKerning(int char1, int char2) Gets the kerning between two Unicode chars.
java.lang.String	getPostscriptFontName() Gets the postscript font name.
protected int[]	getRawCharBBox(int c, java.lang.String name)
(package private) int	getRawWidth(int c, java.lang.String name) Gets the width from the font according to the Unicode char c or the name.
(package private) IntHashtable	getUni2Byte() Exposes the unicode - > CID map that is constructed from the font's encoding
int	getWidth(int char1) Gets the width of a char in normalized 1000 units.
int	getWidth(java.lang.String text) Gets the width of a String in normalized 1000 units.
boolean	hasKernPairs() Checks if the font has any kerning pairs.
private void	processType0(PdfDictionary font)
private IntHashtable	readWidths(PdfArray ws)
boolean	setKerning(int char1, int char2, int kern) Sets the kerning between two Unicode chars.
void	setPostscriptFontName(java.lang.String name) Sets the font name that will appear in the pdf font dictionary.
(package private) void	writeFont(PdfWriter writer, PdfIndirectReference ref, java.lang.Object[] params) Outputs to the writer the font dictionaries and streams.

Methods inherited from class com.lowagie.text.pdf.BaseFont

addSubsetRange, correctArabicAdvance, createEncoding, createFont, createFont, createFont, createFont, createFont, createFont, createFont, createSubsetPrefix, enumerateTTCNames, enumerateTTCNames, getAllFontNames, getAllNameEntries, getAscent, getAscentPoint, getBaseName, getCidCode, getCodePagesSupported, getCompressionLevel, getDescent, getDescentPoint, getDifferences, getDocumentFonts, getDocumentFonts, getEncoding, getFontType, getFullFontName, getResourceStream, getResourceStream, getUnicodeDifferences, getUnicodeDifferences, getUnicodeEquivalent, getWidthPoint, getWidthPoint, getWidthPointKerned, getWidths, isDirectTextToByte, isEmbedded, isFontSpecific, isForceWidthsOutput, isSubset, normalizeEncoding, setCharAdvance, setCompressionLevel, setDirectTextToByte, setForceWidthsOutput, setSubset

Methods inherited from class java.lang.Object

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

Field Detail

metrics

private java.util.HashMap metrics

fontName

private java.lang.String fontName

refFont

private PRIndirectReference refFont

font

private PdfDictionary font

uni2byte

private IntHashtable uni2byte

diffmap

private IntHashtable diffmap

Ascender

private float Ascender

CapHeight

private float CapHeight

Descender

private float Descender

ItalicAngle

private float ItalicAngle

llx

private float llx

lly

private float lly

urx

private float urx

ury

private float ury

isType0

private boolean isType0

cjkMirror

private BaseFont cjkMirror

cjkNames

private static java.lang.String[] cjkNames

cjkEncs

private static java.lang.String[] cjkEncs

cjkNames2

private static java.lang.String[] cjkNames2

cjkEncs2

private static java.lang.String[] cjkEncs2

stdEnc

private static final int[] stdEnc

Constructor Detail

DocumentFont

DocumentFont(PRIndirectReference refFont)

Creates a new instance of DocumentFont

Method Detail

processType0

private void processType0(PdfDictionary font)

readWidths

private IntHashtable readWidths(PdfArray ws)

decodeString

private java.lang.String decodeString(PdfString ps)

fillMetrics

private void fillMetrics(byte[] touni,
                         IntHashtable widths,
                         int dw)

doType1TT

private void doType1TT()

fillFontDesc

private void fillFontDesc(PdfDictionary fontDesc)

fillEncoding

private void fillEncoding(PdfName encoding)

getFamilyFontName

public java.lang.String[][] getFamilyFontName()

Gets the family name of the font. If it is a True Type font each array element will have {Platform ID, Platform Encoding ID, Language ID, font name}. The interpretation of this values can be found in the Open Type specification, chapter 2, in the 'name' table.
For the other fonts the array has a single element with {"", "", "", font name}.

Specified by:

getFamilyFontName in class BaseFont

Returns:

the family name of the font

getFontDescriptor

public float getFontDescriptor(int key,
                               float fontSize)

Gets the font parameter identified by key. Valid values for key are ASCENT, CAPHEIGHT, DESCENT, ITALICANGLE, BBOXLLX, BBOXLLY, BBOXURX and BBOXURY.

Specified by:

getFontDescriptor in class BaseFont

Parameters:

key - the parameter to be extracted

fontSize - the font size in points

Returns:

the parameter in points

getFullFontName

public java.lang.String[][] getFullFontName()

Gets the full name of the font. If it is a True Type font each array element will have {Platform ID, Platform Encoding ID, Language ID, font name}. The interpretation of this values can be found in the Open Type specification, chapter 2, in the 'name' table.
For the other fonts the array has a single element with {"", "", "", font name}.

Specified by:

getFullFontName in class BaseFont

Returns:

the full name of the font

getAllNameEntries

public java.lang.String[][] getAllNameEntries()

Gets all the entries of the names-table. If it is a True Type font each array element will have {Name ID, Platform ID, Platform Encoding ID, Language ID, font name}. The interpretation of this values can be found in the Open Type specification, chapter 2, in the 'name' table.
For the other fonts the array has a single element with {"4", "", "", "", font name}.

Specified by:

getAllNameEntries in class BaseFont

Returns:

the full name of the font

Since:

2.0.8

getKerning

public int getKerning(int char1,
                      int char2)

Gets the kerning between two Unicode chars.

Specified by:

getKerning in class BaseFont

Parameters:

char1 - the first char

char2 - the second char

Returns:

the kerning to be applied

getPostscriptFontName

public java.lang.String getPostscriptFontName()

Gets the postscript font name.

Specified by:

getPostscriptFontName in class BaseFont

Returns:

the postscript font name

getRawWidth

int getRawWidth(int c,
                java.lang.String name)

Gets the width from the font according to the Unicode char c or the name. If the name is null it's a symbolic font.

Specified by:

getRawWidth in class BaseFont

Parameters:

c - the unicode char

name - the glyph name

Returns:

the width of the char

hasKernPairs

public boolean hasKernPairs()

Checks if the font has any kerning pairs.

Specified by:

hasKernPairs in class BaseFont

Returns:

true if the font has any kerning pairs

writeFont

void writeFont(PdfWriter writer,
               PdfIndirectReference ref,
               java.lang.Object[] params)
        throws DocumentException,
               java.io.IOException

Outputs to the writer the font dictionaries and streams.

Specified by:

writeFont in class BaseFont

Parameters:

writer - the writer for this document

ref - the font indirect reference

params - several parameters that depend on the font type

Throws:

java.io.IOException - on error

DocumentException - error in generating the object

getFullFontStream

public PdfStream getFullFontStream()

Always returns null.

Specified by:

getFullFontStream in class BaseFont

Returns:

null

Since:

2.1.3

getWidth

public int getWidth(int char1)

Gets the width of a char in normalized 1000 units.

Overrides:

getWidth in class BaseFont

Parameters:

char1 - the unicode char to get the width of

Returns:

the width in normalized 1000 units

getWidth

public int getWidth(java.lang.String text)

Description copied from class: BaseFont

Gets the width of a String in normalized 1000 units.

Overrides:

getWidth in class BaseFont

Parameters:

text - the String to get the width of

Returns:

the width in normalized 1000 units

convertToBytes

byte[] convertToBytes(java.lang.String text)

Description copied from class: BaseFont

Converts a String to a byte array according to the font's encoding.

Overrides:

convertToBytes in class BaseFont

Parameters:

text - the String to be converted

Returns:

an array of byte representing the conversion according to the font's encoding

convertToBytes

byte[] convertToBytes(int char1)

Description copied from class: BaseFont

Converts a char to a byte array according to the font's encoding.

Overrides:

convertToBytes in class BaseFont

Parameters:

char1 - the char to be converted

Returns:

an array of byte representing the conversion according to the font's encoding

getIndirectReference

PdfIndirectReference getIndirectReference()

charExists

public boolean charExists(int c)

Description copied from class: BaseFont

Checks if a character exists in this font.

Overrides:

charExists in class BaseFont

Parameters:

c - the character to check

Returns:

true if the character has a glyph, false otherwise

setPostscriptFontName

public void setPostscriptFontName(java.lang.String name)

Sets the font name that will appear in the pdf font dictionary. It does nothing in this case as the font is already in the document.

Specified by:

setPostscriptFontName in class BaseFont

Parameters:

name - the new font name

setKerning

public boolean setKerning(int char1,
                          int char2,
                          int kern)

Description copied from class: BaseFont

Sets the kerning between two Unicode chars.

Specified by:

setKerning in class BaseFont

Parameters:

char1 - the first char

char2 - the second char

kern - the kerning to apply in normalized 1000 units

Returns:

true if the kerning was applied, false otherwise

getCharBBox

public int[] getCharBBox(int c)

Description copied from class: BaseFont

Gets the smallest box enclosing the character contours. It will return null if the font has not the information or the character has no contours, as in the case of the space, for example. Characters with no contours may also return [0,0,0,0].

Overrides:

getCharBBox in class BaseFont

Parameters:

c - the character to get the contour bounding box from

Returns:

an array of four floats with the bounding box in the format [llx,lly,urx,ury] or null

getRawCharBBox

protected int[] getRawCharBBox(int c,
                               java.lang.String name)

Specified by:

getRawCharBBox in class BaseFont

getUni2Byte

IntHashtable getUni2Byte()

Exposes the unicode - > CID map that is constructed from the font's encoding

Returns:

the unicode to CID map

Since:

2.1.7