private TrueTypeFontTable ReadPostscriptTable(uint length, TrueTypeTableEntryList list, BigEndianReader reader)
{
PostscriptTable post = new PostscriptTable(reader.Position);
post.TableVersion = reader.ReadFixedVersion();
post.ItalicAngle = reader.ReadFixed1616();
post.UnderlinePosition = reader.ReadInt16();
post.UnderlineThickness = reader.ReadInt16();
post.FixedPitch = reader.ReadUInt32();
post.MinMemoryOpenType = reader.ReadUInt32();
post.MaxMemoryOpenType = reader.ReadUInt32();
post.MinMemoryType1 = reader.ReadUInt32();
post.MaxMemoryType1 = reader.ReadUInt32();
//TODO: Read the names if correct version.
if (post.TableVersion == new Version(2, 0))
{
List <GlyphName> glyphnammes = new List <GlyphName>();
Dictionary <int, GlyphName> offsets = new Dictionary <int, GlyphName>();
ushort count = reader.ReadUInt16();
for (int i = 0; i < count; i++)
{
GlyphName gname = new GlyphName();
gname.Index = reader.ReadUInt16();
if (gname.Index > 257)
{
offsets.Add(gname.Index - 258, gname);
}
glyphnammes.Add(gname);
}
post.Names = glyphnammes;
if (offsets.Count > 0)
{
count = (ushort)offsets.Count;
for (int i = 0; i < count; i++)
{
string s = reader.ReadPascalString();
GlyphName g;
if (offsets.TryGetValue(i, out g))
{
g.Name = s;
}
}
}
}
else if (post.TableVersion == new Version(2, 5))
{
}
return(post);
}
private TrueTypeFontTable ReadFontHeader(uint length, TrueTypeTableEntryList list, BigEndianReader reader)
{
FontHeader fh = new FontHeader(reader.Position);
fh.TableVersion = reader.ReadFixedVersion();
fh.FontRevision = reader.ReadFixedVersion();
fh.ChecksumAdjustment = reader.ReadUInt32();
fh.MagicNumber = reader.ReadUInt32();
fh.FontFlags = (FontHeaderFlags)reader.ReadUInt16();
fh.UnitsPerEm = reader.ReadUInt16();
fh.Created = reader.ReadDateTime();
fh.Modified = reader.ReadDateTime();
fh.XMin = reader.ReadInt16();
fh.YMin = reader.ReadInt16();
fh.XMax = reader.ReadInt16();
fh.YMax = reader.ReadInt16();
fh.MacStyle = (FontStyleFlags)reader.ReadUInt16();
fh.SmallestScreenFont = reader.ReadUInt16();
fh.DirectionHints = (FontDirectionFlags)reader.ReadInt16();
fh.IndexToLocationFormat = (FontIndexLocationFormat)reader.ReadInt16();
fh.GlyphDataFormat = (GlyphDataFormat)reader.ReadInt16();
return(fh);
}
private TrueTypeFontTable ReadMaxProfile(uint length, TrueTypeTableEntryList list, BigEndianReader reader)
{
long pos = reader.Position;
Version vers = reader.ReadFixedVersion();
if (vers == new Version(1, 0)) //0x00010000
{
MaxTTProfile ttp = new MaxTTProfile(pos);
ttp.TableVersion = vers;
ttp.NumberOfGlyphs = reader.ReadUInt16();
ttp.MaxPoints = reader.ReadUInt16();
ttp.MaxContours = reader.ReadUInt16();
ttp.MaxCompositePoints = reader.ReadUInt16();
ttp.MaxCompositeContours = reader.ReadUInt16();
ttp.MaxZones = reader.ReadUInt16();
ttp.MaxTwilightPoints = reader.ReadUInt16();
ttp.MaxStorage = reader.ReadUInt16();
ttp.MaxFunctionDefinitions = reader.ReadUInt16();
ttp.MaxInstructionDefinitions = reader.ReadUInt16();
ttp.MaxStackComponents = reader.ReadUInt16();
ttp.MaxSizeOfInstructions = reader.ReadUInt16();
ttp.MaxComponentComponents = reader.ReadUInt16();
ttp.MaxComponentDepth = reader.ReadUInt16();
return(ttp);
}
else if (vers.Major == 0 && vers.Minor == 20480) //0x00005000
{
MaxProfile prof = new MaxProfile(pos);
prof.TableVersion = MaxPv05;
prof.NumberOfGlyphs = reader.ReadUInt16();
return(prof);
}
else
{
throw new NotSupportedException("The MaxProfile version " + vers.ToString() + " is not supported");
}
}
private TrueTypeFontTable ReadHorizontalHeader(uint length, TrueTypeTableEntryList list, BigEndianReader reader)
{
HorizontalHeader hhead = new HorizontalHeader(reader.Position);
hhead.TableVersion = reader.ReadFixedVersion();
hhead.Ascender = reader.ReadInt16();
hhead.Descender = reader.ReadInt16();
hhead.LineGap = reader.ReadInt16();
hhead.AdvanceWidthMax = reader.ReadUInt16();
hhead.MinimumLeftSideBearing = reader.ReadInt16();
hhead.MinimumRightSideBearing = reader.ReadInt16();
hhead.XMaxExtent = reader.ReadInt16();
hhead.CaretSlopeRise = reader.ReadInt16();
hhead.CaretSlopeRun = reader.ReadInt16();
hhead.CaretOffset = reader.ReadInt16();
hhead.Reserved1 = reader.ReadInt16();
hhead.Reserved2 = reader.ReadInt16();
hhead.Reserved3 = reader.ReadInt16();
hhead.Reserved4 = reader.ReadInt16();
hhead.MetricDataFormat = reader.ReadInt16();
hhead.NumberOfHMetrics = reader.ReadUInt16();
return(hhead);
}
