protected virtual OpenTypeFontTable DeepCopy()
{
OpenTypeFontTable fontTable = (OpenTypeFontTable)MemberwiseClone();
fontTable.DirectoryEntry.Offset = 0;
fontTable.DirectoryEntry.FontTable = fontTable;
return(fontTable);
}
/// <summary>
/// Adds the specified table to this font image.
/// </summary>
public void AddTable(OpenTypeFontTable fontTable)
{
if (!CanWrite)
{
throw new InvalidOperationException("Font image cannot be modified.");
}
if (fontTable == null)
{
throw new ArgumentNullException("fontTable");
}
if (fontTable._fontData == null)
{
fontTable._fontData = this;
}
else
{
Debug.Assert(fontTable._fontData.CanRead);
// Create a reference to this font table
fontTable = new IRefFontTable(this, fontTable);
}
//Debug.Assert(fontTable.FontData == null);
//fontTable.fontData = this;
TableDictionary[fontTable.DirectoryEntry.Tag] = fontTable.DirectoryEntry;
switch (fontTable.DirectoryEntry.Tag)
{
case TableTagNames.CMap:
cmap = fontTable as CMapTable;
break;
case TableTagNames.Cvt:
cvt = fontTable as ControlValueTable;
break;
case TableTagNames.Fpgm:
fpgm = fontTable as FontProgram;
break;
case TableTagNames.MaxP:
maxp = fontTable as MaximumProfileTable;
break;
case TableTagNames.Name:
name = fontTable as NameTable;
break;
case TableTagNames.Head:
head = fontTable as FontHeaderTable;
break;
case TableTagNames.HHea:
hhea = fontTable as HorizontalHeaderTable;
break;
case TableTagNames.HMtx:
hmtx = fontTable as HorizontalMetricsTable;
break;
case TableTagNames.OS2:
os2 = fontTable as OS2Table;
break;
case TableTagNames.Post:
post = fontTable as PostScriptTable;
break;
case TableTagNames.Glyf:
glyf = fontTable as GlyphDataTable;
break;
case TableTagNames.Loca:
loca = fontTable as IndexToLocationTable;
break;
case TableTagNames.GSUB:
gsub = fontTable as GlyphSubstitutionTable;
break;
case TableTagNames.Prep:
prep = fontTable as ControlValueProgram;
break;
}
}
public IRefFontTable(OpenTypeFontface fontData, OpenTypeFontTable fontTable)
: base(null, fontTable.DirectoryEntry.Tag)
{
_fontData = fontData;
_irefDirectoryEntry = fontTable.DirectoryEntry;
}