/**
* Rationalizes all the fonts, removing any duplicates
*
* @return the mappings between new indexes and old ones
*/
public IndexMapping rationalize()
{
IndexMapping mapping = new IndexMapping(fonts.Count + 1);
// allow for skipping record 4
ArrayList newfonts = new ArrayList();
int numremoved = 0;
// Preserve the default fonts
for (int i = 0; i < numDefaultFonts; i++)
{
FontRecord fr = (FontRecord)fonts[i];
newfonts.Add(fr);
mapping.setMapping(fr.getFontIndex(), fr.getFontIndex());
}
// Now do the rest
bool duplicate = false;
for (int i = numDefaultFonts; i < fonts.Count; i++)
{
FontRecord fr = (FontRecord)fonts[i];
// Compare to all the fonts currently on the list
duplicate = false;
foreach (FontRecord fr2 in newfonts)
{
if (fr.Equals(fr2))
{
duplicate = true;
mapping.setMapping(fr.getFontIndex(), mapping.getNewIndex(fr2.getFontIndex()));
numremoved++;
break;
}
}
if (!duplicate)
{
// Add to the new list
newfonts.Add(fr);
int newindex = fr.getFontIndex() - numremoved;
Assert.verify(newindex > 4);
mapping.setMapping(fr.getFontIndex(), newindex);
}
}
// Iterate through the remaining fonts, updating all the font indices
foreach (FontRecord fr in newfonts)
{
fr.initialize(mapping.getNewIndex(fr.getFontIndex()));
}
fonts = newfonts;
return(mapping);
}
