/// <summary>Rmove a table to an non-file based table. Throws
/// exception if table is not in font.
/// </summary>
public void RemoveTable(OTTag tag)
{
if (m_File != null)
{
throw new ApplicationException("attempted to remove a table from a file-based OTFont object");
}
if (GetDirectoryEntry(tag) == null)
{
throw new ArgumentException("the specified table doesn't doesn't exist in the font");
}
// remove the directory entry
for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++)
{
DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i];
if (tag == de.tag)
{
m_OffsetTable.DirectoryEntries.RemoveAt(i);
m_OffsetTable.numTables--;
break;
}
}
// remove the table from the list of tables in memory
for (int i = 0; i < MemBasedTables.Count; i++)
{
OTTable t = (OTTable)MemBasedTables[i];
if (tag == t.m_tag)
{
MemBasedTables.RemoveAt(i);
break;
}
}
string sTable = (string)tag;
if (sTable == "CFF ")
{
m_OutlineType = OutlineType.OUTLINE_INVALID;
}
else if (sTable == "glyf")
{
m_OutlineType = OutlineType.OUTLINE_INVALID;
}
}
/// <summary>Add a new table to an non-file based table. Table cannot
/// already exist in the font.
/// </summary>
public void AddTable(OTTable t)
{
if (m_File != null)
{
throw new ApplicationException("attempted to add a table to a file-based OTFont object");
}
if (GetDirectoryEntry(t.m_tag) != null)
{
throw new ArgumentException("the specified table already exists in the font");
}
// build a new directory entry
DirectoryEntry de = new DirectoryEntry();
de.tag = new OTTag(t.m_tag.GetBytes());
de.checkSum = t.CalcChecksum();
de.offset = 0; // this value won't get fixed up until the font is written
de.length = t.GetLength();
// add the directory entry
m_OffsetTable.DirectoryEntries.Add(de);
m_OffsetTable.numTables++;
// add the table to the list of tables in memory
MemBasedTables.Add(t);
// special handling for certain tables
string sTable = (string)t.m_tag;
if (sTable == "CFF ")
{
m_OutlineType = OutlineType.OUTLINE_POSTSCRIPT;
}
else if (sTable == "glyf")
{
m_OutlineType = OutlineType.OUTLINE_TRUETYPE;
}
}