/// <summary>
/// Writes the offset table.
/// </summary>
public void Write(OpenTypeFontWriter writer)
{
writer.WriteUInt(Version);
writer.WriteShort(TableCount);
writer.WriteUShort(SearchRange);
writer.WriteUShort(EntrySelector);
writer.WriteUShort(RangeShift);
}
public void Write(OpenTypeFontWriter writer)
{
Debug.Assert(Tag.Length == 4);
Debug.Assert(Offset != 0);
Debug.Assert(Length != 0);
writer.WriteTag(Tag);
writer.WriteUInt(CheckSum);
writer.WriteInt(Offset);
writer.WriteUInt((uint)Length);
}
/// <summary>
/// Compiles the font to its binary representation.
/// </summary>
void Compile()
{
MemoryStream stream = new MemoryStream();
OpenTypeFontWriter writer = new OpenTypeFontWriter(stream);
int tableCount = TableDictionary.Count;
int selector = _entrySelectors[tableCount];
_offsetTable.Version = 0x00010000;
_offsetTable.TableCount = tableCount;
_offsetTable.SearchRange = (ushort)((1 << selector) * 16);
_offsetTable.EntrySelector = (ushort)selector;
_offsetTable.RangeShift = (ushort)((tableCount - (1 << selector)) * 16);
_offsetTable.Write(writer);
// Sort tables by tag name
string[] tags = new string[tableCount];
TableDictionary.Keys.CopyTo(tags, 0);
Array.Sort(tags, StringComparer.Ordinal);
#if VERBOSE
Debug.WriteLine("Start Compile");
#endif
// Write tables in alphabetical order
int tablePosition = 12 + 16 * tableCount;
for (int idx = 0; idx < tableCount; idx++)
{
TableDirectoryEntry entry = TableDictionary[tags[idx]];
#if DEBUG
if (entry.Tag == "glyf" || entry.Tag == "loca")
{
GetType();
}
#endif
entry.FontTable.PrepareForCompilation();
entry.Offset = tablePosition;
writer.Position = tablePosition;
entry.FontTable.Write(writer);
int endPosition = writer.Position;
tablePosition = endPosition;
writer.Position = 12 + 16 * idx;
entry.Write(writer);
#if VERBOSE
Debug.WriteLine(String.Format(" Write Table '{0}', offset={1}, length={2}, checksum={3}, ", entry.Tag, entry.Offset, entry.Length, entry.CheckSum));
#endif
}
#if VERBOSE
Debug.WriteLine("End Compile");
#endif
writer.Stream.Flush();
int l = (int)writer.Stream.Length;
FontSource = XFontSource.CreateCompiledFont(stream.ToArray());
}
/// <summary>
/// Converts the font into its binary representation.
/// </summary>
public override void Write(OpenTypeFontWriter writer)
{
writer.Write(GlyphTable, 0, DirectoryEntry.PaddedLength);
}
/// <summary>
/// When overridden in a derived class, converts the font into its binary representation.
/// </summary>
public virtual void Write(OpenTypeFontWriter writer)
{
}
/// <summary>
/// Converts the font into its binary representation.
/// </summary>
public override void Write(OpenTypeFontWriter writer)
{
writer.Write(_irefDirectoryEntry.FontTable._fontData.FontSource.Bytes, _irefDirectoryEntry.Offset, _irefDirectoryEntry.PaddedLength);
}
/// <summary>
/// Converts the font into its binary representation.
/// </summary>
public override void Write(OpenTypeFontWriter writer)
{
writer.Write(_bytes, 0, DirectoryEntry.PaddedLength);
}
