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java.lang.Objectcom.lowagie.text.pdf.BaseFont
com.lowagie.text.pdf.TrueTypeFont
com.lowagie.text.pdf.TrueTypeFontUnicode
class TrueTypeFontUnicode
Represents a True Type font with Unicode encoding. All the character in the font can be used directly by using the encoding Identity-H or Identity-V. This is the only way to represent some character sets such as Thai.
Nested Class Summary |
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Nested classes/interfaces inherited from class com.lowagie.text.pdf.TrueTypeFont |
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TrueTypeFont.FontHeader, TrueTypeFont.HorizontalHeader, TrueTypeFont.WindowsMetrics |
Nested classes/interfaces inherited from class com.lowagie.text.pdf.BaseFont |
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BaseFont.StreamFont |
Field Summary | |
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(package private) boolean |
vertical
true if the encoding is vertical. |
Fields inherited from class com.lowagie.text.pdf.TrueTypeFont |
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bboxes, cff, cffLength, cffOffset, cmap10, cmap31, codePages, directoryOffset, familyName, fileName, fontName, fullName, GlyphWidths, head, hhea, isFixedPitch, italicAngle, justNames, kerning, os_2, rf, style, tables, ttcIndex |
Constructor Summary | |
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TrueTypeFontUnicode(String ttFile,
String enc,
boolean emb,
byte[] ttfAfm)
Creates a new TrueType font addressed by Unicode characters. |
Method Summary | |
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boolean |
charExists(char c)
Checks if a character exists in this font. |
int |
compare(Object o1,
Object o2)
The method used to sort the metrics array. |
(package private) byte[] |
convertToBytes(String text)
A forbidden operation. |
int[] |
getCharBBox(char c)
Gets the smallest box enclosing the character contours. |
private PdfDictionary |
getCIDFontType2(PdfIndirectReference fontDescriptor,
String subsetPrefix,
Object[] metrics)
Generates the CIDFontTyte2 dictionary. |
private PdfDictionary |
getFontBaseType(PdfIndirectReference descendant,
String subsetPrefix,
PdfIndirectReference toUnicode)
Generates the font dictionary. |
private PdfStream |
getToUnicode(Object[] metrics)
Creates a ToUnicode CMap to allow copy and paste from Acrobat. |
int |
getWidth(String text)
Gets the width of a String in normalized 1000 units. |
boolean |
setCharAdvance(char c,
int advance)
Sets the character advance. |
(package private) static String |
toHex(int n)
Gets an hex string in the format "<HHHH>". |
(package private) void |
writeFont(PdfWriter writer,
PdfIndirectReference ref,
Object[] params)
Outputs to the writer the font dictionaries and streams. |
Methods inherited from class com.lowagie.text.pdf.TrueTypeFont |
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addRangeUni, checkCff, compactRanges, fillTables, getBaseFont, getCodePagesSupported, getFamilyFontName, getFontBaseType, getFontDescriptor, getFontDescriptor, getFullFont, getFullFontName, getGlyphWidth, getKerning, getMetricsTT, getNames, getPostscriptFontName, getRawCharBBox, getRawWidth, getTTCName, hasKernPairs, process, readCMaps, readFormat0, readFormat4, readFormat6, readGlyphWidths, readKerning, readStandardString, readUnicodeString, setKerning, setPostscriptFontName |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface java.util.Comparator |
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equals |
Field Detail |
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boolean vertical
true
if the encoding is vertical.
Constructor Detail |
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TrueTypeFontUnicode(String ttFile, String enc, boolean emb, byte[] ttfAfm) throws DocumentException, IOException
ttFile
- the location of the font on file. The file must end in '.ttf'.
The modifiers after the name are ignored.enc
- the encoding to be applied to this fontemb
- true if the font is to be embedded in the PDFttfAfm
- the font as a byte
array
DocumentException
- the font is invalid
IOException
- the font file could not be readMethod Detail |
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public int getWidth(String text)
String
in normalized 1000 units.
getWidth
in class BaseFont
text
- the String
to get the witdth of
private PdfStream getToUnicode(Object[] metrics) throws DocumentException
metrics
- metrics[0] contains the glyph index and metrics[2]
contains the Unicode code
null
DocumentException
- on errorstatic String toHex(int n)
n
- the number
private PdfDictionary getCIDFontType2(PdfIndirectReference fontDescriptor, String subsetPrefix, Object[] metrics)
fontDescriptor
- the indirect reference to the font descriptorsubsetPrefix
- the subset prefixmetrics
- the horizontal width metrics
private PdfDictionary getFontBaseType(PdfIndirectReference descendant, String subsetPrefix, PdfIndirectReference toUnicode)
descendant
- the descendant dictionarysubsetPrefix
- the subset prefixtoUnicode
- the ToUnicode stream
public int compare(Object o1, Object o2)
compare
in interface Comparator
o1
- the first elemento2
- the second element
void writeFont(PdfWriter writer, PdfIndirectReference ref, Object[] params) throws DocumentException, IOException
writeFont
in class TrueTypeFont
writer
- the writer for this documentref
- the font indirect referenceparams
- several parameters that depend on the font type
IOException
- on error
DocumentException
- error in generating the objectbyte[] convertToBytes(String text)
convertToBytes
in class BaseFont
text
- the text
null
public boolean charExists(char c)
charExists
in class BaseFont
c
- the character to check
true
if the character has a glyph,
false
otherwisepublic boolean setCharAdvance(char c, int advance)
setCharAdvance
in class BaseFont
c
- the characteradvance
- the character advance normalized to 1000 units
true
if the advance was set,
false
otherwisepublic int[] getCharBBox(char c)
BaseFont
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].
getCharBBox
in class BaseFont
c
- the character to get the contour bounding box from
null
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