fop 2.2

org.apache.fop.fonts.truetype
Class GlyfTable

java.lang.Object
  extended by org.apache.fop.fonts.truetype.GlyfTable

public class GlyfTable
extends java.lang.Object

This "glyf" table in a TrueType font file contains information that describes the glyphs. This class is responsible for creating a subset of the "glyf" table given a set of glyph indices.


Field Summary
protected  java.util.Set<java.lang.Integer> composedGlyphs
          All the glyphs that are composed, but do not appear in the subset.
protected  java.util.Map<java.lang.Integer,java.lang.Integer> subset
           
 
Constructor Summary
GlyfTable(FontFileReader in, OFMtxEntry[] metrics, OFDirTabEntry dirTableEntry, java.util.Map<java.lang.Integer,java.lang.Integer> glyphs)
           
 
Method Summary
protected  void addAllComposedGlyphsToSubset()
          Adds to the subset, all the glyphs that are composed by a glyph, but do not appear themselves in the subset.
 boolean isComposite(int indexInOriginal)
           
protected  void populateGlyphsWithComposites()
          Populates the map of subset glyphs with all the glyphs that compose the glyphs in the subset.
 java.util.Set<java.lang.Integer> retrieveComposedGlyphs(int indexInOriginal)
          Reads a composite glyph at a given index and retrieves all the glyph indices of contingent composed glyphs.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

subset

protected final java.util.Map<java.lang.Integer,java.lang.Integer> subset

composedGlyphs

protected java.util.Set<java.lang.Integer> composedGlyphs
All the glyphs that are composed, but do not appear in the subset.

Constructor Detail

GlyfTable

public GlyfTable(FontFileReader in,
                 OFMtxEntry[] metrics,
                 OFDirTabEntry dirTableEntry,
                 java.util.Map<java.lang.Integer,java.lang.Integer> glyphs)
          throws java.io.IOException
Throws:
java.io.IOException
Method Detail

populateGlyphsWithComposites

protected void populateGlyphsWithComposites()
                                     throws java.io.IOException
Populates the map of subset glyphs with all the glyphs that compose the glyphs in the subset. This also re-maps the indices of composed glyphs to their new index in the subset font.

Throws:
java.io.IOException - an I/O error

addAllComposedGlyphsToSubset

protected void addAllComposedGlyphsToSubset()
Adds to the subset, all the glyphs that are composed by a glyph, but do not appear themselves in the subset.


isComposite

public boolean isComposite(int indexInOriginal)
                    throws java.io.IOException
Throws:
java.io.IOException

retrieveComposedGlyphs

public java.util.Set<java.lang.Integer> retrieveComposedGlyphs(int indexInOriginal)
                                                        throws java.io.IOException
Reads a composite glyph at a given index and retrieves all the glyph indices of contingent composed glyphs.

Parameters:
indexInOriginal - the glyph index of the composite glyph
Returns:
the set of glyph indices this glyph composes
Throws:
java.io.IOException - an I/O error

fop 2.2

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