org.freehep.graphicsio.pdf

Class PDFFontEmbedder

java.lang.Object

org.freehep.graphicsio.font.FontIncluder

org.freehep.graphicsio.font.FontEmbedder

org.freehep.graphicsio.pdf.PDFFontEmbedder

Direct Known Subclasses:

PDFFontEmbedderType3

public abstract class PDFFontEmbedder
extends FontEmbedder

Superclass of all FontEmbedders for PDF documents. Subclasses must implement all abstract methods which are called in the following order:

• addAdditionalEntries
• addAdditionalInitDicts
• writeGlyph once for each glyph in the order of the encoding

Version:

$Id: freehep-graphicsio-pdf/src/main/java/org/freehep/graphicsio/pdf/PDFFontEmbedder.java f493ff6e61b2 2005/12/01 18:46:43 duns $

Author:

Simon Fischer

Field Summary

Fields

Modifier and Type	Field and Description
protected PDFWriter	pdf sloppily declared protected

Fields inherited from class org.freehep.graphicsio.font.FontEmbedder

NOTDEF

Fields inherited from class org.freehep.graphicsio.font.FontIncluder

FONT_SIZE

Constructor Summary

Constructors

Constructor and Description
PDFFontEmbedder(FontRenderContext context, PDFWriter pdf, String reference, PDFRedundanceTracker tracker)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract void	addAdditionalEntries(PDFDictionary fontDict) Add additional entries to the font Dictionary.
protected abstract void	addAdditionalInitDicts() Add additional dicionaries to the PDFWriter which may be referenced by entries generated by addAdditionalEntries()
protected void	closeEmbedFont()
protected String	createCharacterReference(String characterName)
protected String	getReference() Returns the reference String that identifies the font dictionary.
protected abstract String	getSubtype() Returns the font subtype (currently only Type3).
protected void	openIncludeFont() Writes the given information about the font into the file.
protected void	writeEncoding(CharTable charTable) Writes the encoding table to the file.
static void	writeEncoding(PDFWriter pdf, String ref, CharTable charTable)
protected void	writeWidths(double[] widths) Writes the character widths to the file.

Methods inherited from class org.freehep.graphicsio.font.FontEmbedder

closeGlyphs, getAdvanceWidth, getAdvanceWidths, getGlyph, getGlyphMetrics, includeFont, openGlyphs, writeGlyph

Methods inherited from class org.freehep.graphicsio.font.FontIncluder

closeIncludeFont, getCharName, getContext, getEncodingTable, getFont, getFontBBox, getFontName, getNODefinedChars, getUndefinedWidth, getUnicode, getUnicode

Methods inherited from class java.lang.Object

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

Field Detail

pdf

protected PDFWriter pdf

sloppily declared protected

Constructor Detail

PDFFontEmbedder

public PDFFontEmbedder(FontRenderContext context,
               PDFWriter pdf,
               String reference,
               PDFRedundanceTracker tracker)

Method Detail

getSubtype

protected abstract String getSubtype()

Returns the font subtype (currently only Type3).

addAdditionalEntries

protected abstract void addAdditionalEntries(PDFDictionary fontDict)
                                      throws IOException

Add additional entries to the font Dictionary.

Throws:

IOException

addAdditionalInitDicts

protected abstract void addAdditionalInitDicts()
                                        throws IOException

Add additional dicionaries to the PDFWriter which may be referenced by entries generated by addAdditionalEntries()

Throws:

IOException

getReference

protected String getReference()

Returns the reference String that identifies the font dictionary. Use this reference plus underscore plus suffix for other dictionaries.

openIncludeFont

protected void openIncludeFont()
                        throws IOException

Description copied from class: FontIncluder

Writes the given information about the font into the file. When this method is called all getXXX() are guaranteed to return reasonable values.

Specified by:

openIncludeFont in class FontIncluder

Throws:

IOException

closeEmbedFont

protected void closeEmbedFont()

Specified by:

closeEmbedFont in class FontEmbedder

writeWidths

protected void writeWidths(double[] widths)
                    throws IOException

Description copied from class: FontEmbedder

Writes the character widths to the file.

Specified by:

writeWidths in class FontEmbedder

Throws:

IOException

writeEncoding

protected void writeEncoding(CharTable charTable)
                      throws IOException

Description copied from class: FontIncluder

Writes the encoding table to the file.

Specified by:

writeEncoding in class FontIncluder

Throws:

IOException

writeEncoding

public static void writeEncoding(PDFWriter pdf,
                 String ref,
                 CharTable charTable)
                          throws IOException

Throws:

IOException

createCharacterReference

protected String createCharacterReference(String characterName)