static public FontFamily FromPath(string fontFilePath)
{
string FontName = string.Empty;
string FontSubFamily = string.Empty;
string encStr = "UTF-8";
string strRet = string.Empty;
using (FileStream fs = new FileStream(fontFilePath, FileMode.Open, FileAccess.Read))
{
TT_OFFSET_TABLE ttOffsetTable = new TT_OFFSET_TABLE()
{
uMajorVersion = ReadUShort(fs),
uMinorVersion = ReadUShort(fs),
uNumOfTables = ReadUShort(fs),
uSearchRange = ReadUShort(fs),
uEntrySelector = ReadUShort(fs),
uRangeShift = ReadUShort(fs),
};
TT_TABLE_DIRECTORY tblDir = new TT_TABLE_DIRECTORY();
bool found = false;
for (int i = 0; i <= ttOffsetTable.uNumOfTables; i++)
{
tblDir = new TT_TABLE_DIRECTORY();
tblDir.Initialize();
fs.Read(tblDir.szTag, 0, tblDir.szTag.Length);
tblDir.uCheckSum = ReadULong(fs);
tblDir.uOffset = ReadULong(fs);
tblDir.uLength = ReadULong(fs);
Encoding enc = Encoding.GetEncoding(encStr);
string s = enc.GetString(tblDir.szTag);
if (s.CompareTo("name") == 0)
{
found = true;
break;
}
}
if (!found)
{
return(null);
}
fs.Seek(tblDir.uOffset, SeekOrigin.Begin);
TT_NAME_TABLE_HEADER ttNTHeader = new TT_NAME_TABLE_HEADER
{
uFSelector = ReadUShort(fs),
uNRCount = ReadUShort(fs),
uStorageOffset = ReadUShort(fs)
};
TT_NAME_RECORD ttRecord = new TT_NAME_RECORD();
for (int j = 0; j <= ttNTHeader.uNRCount; j++)
{
ttRecord = new TT_NAME_RECORD()
{
uPlatformID = ReadUShort(fs),
uEncodingID = ReadUShort(fs),
uLanguageID = ReadUShort(fs),
uNameID = ReadUShort(fs),
uStringLength = ReadUShort(fs),
uStringOffset = ReadUShort(fs)
};
if (ttRecord.uNameID > 2)
{
break;
}
long nPos = fs.Position;
fs.Seek(tblDir.uOffset + ttRecord.uStringOffset + ttNTHeader.uStorageOffset, SeekOrigin.Begin);
byte[] buf = new byte[ttRecord.uStringLength];
fs.Read(buf, 0, ttRecord.uStringLength);
Encoding enc;
if (ttRecord.uEncodingID == 3 || ttRecord.uEncodingID == 1)
{
enc = Encoding.BigEndianUnicode;
}
else
{
enc = Encoding.UTF8;
}
strRet = enc.GetString(buf);
if (ttRecord.uNameID == 1)
{
FontName = strRet;
}
if (ttRecord.uNameID == 2)
{
FontSubFamily = strRet;
}
fs.Seek(nPos, SeekOrigin.Begin);
}
return(new FontFamily(FontName, FontSubFamily, fontFilePath));
}
}
//TODO: merge this to Typography
//from http://stackoverflow.com/questions/3633000/net-enumerate-winforms-font-styles
// https://www.microsoft.com/Typography/OTSpec/name.htm
public static InstalledFont GetFontDetails(string fontFilePath)
{
//TODO: review here
//merge to the Typography?
string fontName = string.Empty;
string fontSubFamily = string.Empty;
string strRet = string.Empty;
using (FileStream fs = new FileStream(fontFilePath, FileMode.Open, FileAccess.Read))
{
TT_OFFSET_TABLE ttOffsetTable = new TT_OFFSET_TABLE()
{
uMajorVersion = ReadUShort(fs),
uMinorVersion = ReadUShort(fs),
uNumOfTables = ReadUShort(fs),
uSearchRange = ReadUShort(fs),
uEntrySelector = ReadUShort(fs),
uRangeShift = ReadUShort(fs),
};
if (ttOffsetTable.uMajorVersion != 1 || ttOffsetTable.uMinorVersion != 0)
{
return(null);
}
TT_TABLE_DIRECTORY tblDir = new TT_TABLE_DIRECTORY();
bool found = false;
Encoding enc = Encoding.UTF8;
for (int i = 0; i <= ttOffsetTable.uNumOfTables; i++)
{
tblDir = new TT_TABLE_DIRECTORY();
tblDir.Initialize();
fs.Read(tblDir.szTag, 0, tblDir.szTag.Length);
tblDir.uCheckSum = ReadULong(fs);
tblDir.uOffset = ReadULong(fs);
tblDir.uLength = ReadULong(fs);
string s = enc.GetString(tblDir.szTag);
if (s.CompareTo("name") == 0)
{
found = true;
break;
}
}
if (!found)
{
return(null);
}
fs.Seek(tblDir.uOffset, SeekOrigin.Begin);
TT_NAME_TABLE_HEADER ttNTHeader = new TT_NAME_TABLE_HEADER
{
uFSelector = ReadUShort(fs),
uNRCount = ReadUShort(fs),
uStorageOffset = ReadUShort(fs)
};
TT_NAME_RECORD ttRecord = new TT_NAME_RECORD();
for (int j = 0; j <= ttNTHeader.uNRCount; j++)
{
ttRecord = new TT_NAME_RECORD()
{
uPlatformID = ReadUShort(fs),
uEncodingID = ReadUShort(fs),
uLanguageID = ReadUShort(fs),
uNameID = ReadUShort(fs),
uStringLength = ReadUShort(fs),
uStringOffset = ReadUShort(fs)
};
//if (ttRecord.uNameID > 2)
//{
//}
long nPos = fs.Position;
fs.Seek(tblDir.uOffset + ttRecord.uStringOffset + ttNTHeader.uStorageOffset, SeekOrigin.Begin);
byte[] buf = new byte[ttRecord.uStringLength];
fs.Read(buf, 0, ttRecord.uStringLength);
Encoding enc2;
if (ttRecord.uEncodingID == 3 || ttRecord.uEncodingID == 1)
{
enc2 = Encoding.BigEndianUnicode;
}
else
{
enc2 = Encoding.UTF8;
}
strRet = enc2.GetString(buf);
switch (ttRecord.uNameID)
{
case 1:
fontName = strRet;
break;
case 2:
fontSubFamily = strRet;
break;
default:
break;
}
fs.Seek(nPos, SeekOrigin.Begin);
}
return(new InstalledFont(fontName, fontSubFamily, fontFilePath));
}
}
private string GetFontName(string fontPath)
{
string result = "";
FileStream fs = new FileStream(fontPath, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs, Encoding.UTF8);
byte[] buff = r.ReadBytes(Marshal.SizeOf(ttResult));
buff = BigEndian(buff);
IntPtr ptr = Marshal.AllocHGlobal(buff.Length);
Marshal.Copy(buff, 0x0, ptr, buff.Length);
ttResult = (TT_OFFSET_TABLE)Marshal.PtrToStructure(ptr, typeof(TT_OFFSET_TABLE));
Marshal.FreeHGlobal(ptr);
//Must be maj =1 minor = 0
if (ttResult.uMajorVersion != 1 || ttResult.uMinorVersion != 0)
return "";
bool bFound = false;
tbName = new TT_TABLE_DIRECTORY();
for (int i = 0; i < ttResult.uNumOfTables; i++)
{
byte[] bNameTable = r.ReadBytes(Marshal.SizeOf(tbName));
IntPtr ptrName = Marshal.AllocHGlobal(bNameTable.Length);
Marshal.Copy(bNameTable, 0x0, ptrName, bNameTable.Length);
tbName = (TT_TABLE_DIRECTORY)Marshal.PtrToStructure(ptrName, typeof(TT_TABLE_DIRECTORY));
Marshal.FreeHGlobal(ptrName);
string szName =
tbName.szTag1.ToString() +
tbName.szTag2.ToString() +
tbName.szTag3.ToString() +
tbName.szTag4.ToString();
if (szName != null)
{
if (szName.ToString() == "name")
{
bFound = true;
byte [] btLength = BitConverter.GetBytes(tbName.uLength);
byte [] btOffset = BitConverter.GetBytes(tbName.uOffset);
Array.Reverse(btLength);
Array.Reverse(btOffset);
tbName.uLength = BitConverter.ToUInt32(btLength, 0);
tbName.uOffset = BitConverter.ToUInt32(btOffset, 0);
break;
}
}
}
if (bFound)
{
fs.Position = tbName.uOffset;
byte[] btNTHeader = r.ReadBytes(Marshal.SizeOf(ttNTResult));
btNTHeader = BigEndian(btNTHeader);
IntPtr ptrNTHeader = Marshal.AllocHGlobal(btNTHeader.Length);
Marshal.Copy(btNTHeader, 0x0, ptrNTHeader, btNTHeader.Length);
ttNTResult = (TT_NAME_TABLE_HEADER)Marshal.PtrToStructure(ptrNTHeader, typeof(TT_NAME_TABLE_HEADER));
Marshal.FreeHGlobal(ptrNTHeader);
bFound = false;
for (int i = 0; i < ttNTResult.uNRCount; i++)
{
byte[] btNMRecord = r.ReadBytes(Marshal.SizeOf(ttNMResult));
btNMRecord = BigEndian(btNMRecord);
IntPtr ptrNMRecord = Marshal.AllocHGlobal(btNMRecord.Length);
Marshal.Copy(btNMRecord, 0x0, ptrNMRecord, btNMRecord.Length);
ttNMResult = (TT_NAME_RECORD)Marshal.PtrToStructure(ptrNMRecord, typeof(TT_NAME_RECORD));
Marshal.FreeHGlobal(ptrNMRecord);
// this is where the font name is recovered
// to get the font family name (not incl 'bold' etc) use ttNMResult.uNameID == 1
// see http://www.microsoft.com/OpenType/OTSpec/name.htm
if (ttNMResult.uNameID == 4)
//if (ttNMResult.uNameID == 1)
{
long fPos = fs.Position;
fs.Position = tbName.uOffset + ttNMResult.uStringOffset + ttNTResult.uStorageOffset;
char[] szResult = r.ReadChars(ttNMResult.uStringLength);
if (szResult.Length != 0)
{
// some fonts are \0 A \0 r \0 i \0 a \0 l.... UTf8 encoding doesn't help
if (szResult[0] == '\0')
{
int count = 0;
char[] temp = new char[szResult.Length / 2];
for (int j = 1; j < szResult.Length; j += 2)
{
temp[count++] = szResult[j];
}
szResult = temp;
}
result = new String(szResult);
break;
}
}
}
}
return result;
}
static public FontFamily FromPath(string fontFilePath)
{
string FontName = string.Empty;
string FontSubFamily = string.Empty;
string encStr = "UTF-8";
string strRet = string.Empty;
using (FileStream fs = new FileStream(fontFilePath, FileMode.Open, FileAccess.Read))
{
TT_OFFSET_TABLE ttOffsetTable = new TT_OFFSET_TABLE()
{
uMajorVersion = ReadUShort(fs),
uMinorVersion = ReadUShort(fs),
uNumOfTables = ReadUShort(fs),
uSearchRange = ReadUShort(fs),
uEntrySelector = ReadUShort(fs),
uRangeShift = ReadUShort(fs),
};
TT_TABLE_DIRECTORY tblDir = new TT_TABLE_DIRECTORY();
bool found = false;
for (int i = 0; i <= ttOffsetTable.uNumOfTables; i++)
{
tblDir = new TT_TABLE_DIRECTORY();
tblDir.Initialize();
fs.Read(tblDir.szTag, 0, tblDir.szTag.Length);
tblDir.uCheckSum = ReadULong(fs);
tblDir.uOffset = ReadULong(fs);
tblDir.uLength = ReadULong(fs);
Encoding enc = Encoding.GetEncoding(encStr);
string s = enc.GetString(tblDir.szTag);
if (s.CompareTo("name") == 0)
{
found = true;
break;
}
}
if (!found) return null;
fs.Seek(tblDir.uOffset, SeekOrigin.Begin);
TT_NAME_TABLE_HEADER ttNTHeader = new TT_NAME_TABLE_HEADER
{
uFSelector = ReadUShort(fs),
uNRCount = ReadUShort(fs),
uStorageOffset = ReadUShort(fs)
};
TT_NAME_RECORD ttRecord = new TT_NAME_RECORD();
for (int j = 0; j <= ttNTHeader.uNRCount; j++)
{
ttRecord = new TT_NAME_RECORD()
{
uPlatformID = ReadUShort(fs),
uEncodingID = ReadUShort(fs),
uLanguageID = ReadUShort(fs),
uNameID = ReadUShort(fs),
uStringLength = ReadUShort(fs),
uStringOffset = ReadUShort(fs)
};
if (ttRecord.uNameID > 2) { break; }
long nPos = fs.Position;
fs.Seek(tblDir.uOffset + ttRecord.uStringOffset + ttNTHeader.uStorageOffset, SeekOrigin.Begin);
byte[] buf = new byte[ttRecord.uStringLength];
fs.Read(buf, 0, ttRecord.uStringLength);
Encoding enc;
if (ttRecord.uEncodingID == 3 || ttRecord.uEncodingID == 1)
{
enc = Encoding.BigEndianUnicode;
}
else
{
enc = Encoding.UTF8;
}
strRet = enc.GetString(buf);
if (ttRecord.uNameID == 1) { FontName = strRet; }
if (ttRecord.uNameID == 2) { FontSubFamily = strRet; }
fs.Seek(nPos, SeekOrigin.Begin);
}
return new FontFamily(FontName, FontSubFamily, fontFilePath);
}
}
private string GetFontName(string fontPath)
{
string result = "";
FileStream fs = new FileStream(fontPath, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs, Encoding.UTF8);
try
{
byte[] buff = r.ReadBytes(Marshal.SizeOf(ttResult));
buff = BigEndian(buff);
IntPtr ptr = Marshal.AllocHGlobal(buff.Length);
Marshal.Copy(buff, 0x0, ptr, buff.Length);
ttResult = (TT_OFFSET_TABLE)Marshal.PtrToStructure(ptr, typeof(TT_OFFSET_TABLE));
Marshal.FreeHGlobal(ptr);
//Must be maj =1 minor = 0
if (ttResult.uMajorVersion != 1 || ttResult.uMinorVersion != 0)
{
return("");
}
bool bFound = false;
tbName = new TT_TABLE_DIRECTORY();
for (int i = 0; i < ttResult.uNumOfTables; i++)
{
byte[] bNameTable = r.ReadBytes(Marshal.SizeOf(tbName));
IntPtr ptrName = Marshal.AllocHGlobal(bNameTable.Length);
Marshal.Copy(bNameTable, 0x0, ptrName, bNameTable.Length);
tbName = (TT_TABLE_DIRECTORY)Marshal.PtrToStructure(ptrName, typeof(TT_TABLE_DIRECTORY));
Marshal.FreeHGlobal(ptrName);
string szName =
tbName.szTag1.ToString() +
tbName.szTag2.ToString() +
tbName.szTag3.ToString() +
tbName.szTag4.ToString();
if (szName != null)
{
if (szName.ToString() == "name")
{
bFound = true;
byte[] btLength = BitConverter.GetBytes(tbName.uLength);
byte[] btOffset = BitConverter.GetBytes(tbName.uOffset);
Array.Reverse(btLength);
Array.Reverse(btOffset);
tbName.uLength = BitConverter.ToUInt32(btLength, 0);
tbName.uOffset = BitConverter.ToUInt32(btOffset, 0);
break;
}
}
}
if (bFound)
{
fs.Position = tbName.uOffset;
byte[] btNTHeader = r.ReadBytes(Marshal.SizeOf(ttNTResult));
btNTHeader = BigEndian(btNTHeader);
IntPtr ptrNTHeader = Marshal.AllocHGlobal(btNTHeader.Length);
Marshal.Copy(btNTHeader, 0x0, ptrNTHeader, btNTHeader.Length);
ttNTResult = (TT_NAME_TABLE_HEADER)Marshal.PtrToStructure(ptrNTHeader, typeof(TT_NAME_TABLE_HEADER));
Marshal.FreeHGlobal(ptrNTHeader);
bFound = false;
for (int i = 0; i < ttNTResult.uNRCount; i++)
{
byte[] btNMRecord = r.ReadBytes(Marshal.SizeOf(ttNMResult));
btNMRecord = BigEndian(btNMRecord);
IntPtr ptrNMRecord = Marshal.AllocHGlobal(btNMRecord.Length);
Marshal.Copy(btNMRecord, 0x0, ptrNMRecord, btNMRecord.Length);
ttNMResult = (TT_NAME_RECORD)Marshal.PtrToStructure(ptrNMRecord, typeof(TT_NAME_RECORD));
Marshal.FreeHGlobal(ptrNMRecord);
// this is where the font name is recovered
// to get the font family name (not incl 'bold' etc) use ttNMResult.uNameID == 1
// see http://www.microsoft.com/OpenType/OTSpec/name.htm
if (ttNMResult.uNameID == 4)
{
long fPos = fs.Position;
fs.Position = tbName.uOffset + ttNMResult.uStringOffset + ttNTResult.uStorageOffset;
char[] szResult = r.ReadChars(ttNMResult.uStringLength);
if (szResult.Length != 0)
{
// some fonts are \0 A \0 r \0 i \0 a \0 l.... UTf8 encoding doesn't help
if (szResult[0] == '\0')
{
int count = 0;
char[] temp = new char[szResult.Length / 2];
for (int j = 1; j < szResult.Length; j += 2)
{
temp[count++] = szResult[j];
}
szResult = temp;
}
result = new String(szResult);
break;
}
}
}
}
}
finally
{
r.Close();
if (fs != null)
{
fs.Dispose();
}
}
return(result);
}
