private void InitFontSize()
{
String mainTag = raf.ReadString(4, PdfEncodings.WINANSI);
if (!mainTag.Equals("ttcf"))
{
throw new iText.IO.IOException(iText.IO.IOException.InvalidTtcFile);
}
raf.SkipBytes(4);
TTCSize = raf.ReadInt();
}
/// <exception cref="System.IO.IOException"/>
protected internal virtual void CreateTableDirectory()
{
tableDirectory = new Dictionary <String, int[]>();
rf.Seek(directoryOffset);
int id = rf.ReadInt();
if (id != 0x00010000)
{
throw new iText.IO.IOException(iText.IO.IOException.NotAtTrueTypeFile).SetMessageParams(fileName);
}
int num_tables = rf.ReadUnsignedShort();
rf.SkipBytes(6);
for (int k = 0; k < num_tables; ++k)
{
String tag = ReadStandardString(4);
int[] tableLocation = new int[3];
tableLocation[TABLE_CHECKSUM] = rf.ReadInt();
tableLocation[TABLE_OFFSET] = rf.ReadInt();
tableLocation[TABLE_LENGTH] = rf.ReadInt();
tableDirectory.Put(tag, tableLocation);
}
}
private void InitializeSfntTables()
{
tables = new LinkedDictionary <String, int[]>();
if (ttcIndex >= 0)
{
int dirIdx = ttcIndex;
if (dirIdx < 0)
{
if (fileName != null)
{
throw new iText.IO.IOException("The font index for {0} must be positive.").SetMessageParams(fileName);
}
else
{
throw new iText.IO.IOException("The font index must be positive.");
}
}
String mainTag = ReadStandardString(4);
if (!mainTag.Equals("ttcf"))
{
if (fileName != null)
{
throw new iText.IO.IOException("{0} is not a valid ttc file.").SetMessageParams(fileName);
}
else
{
throw new iText.IO.IOException("Not a valid ttc file.");
}
}
raf.SkipBytes(4);
int dirCount = raf.ReadInt();
if (dirIdx >= dirCount)
{
if (fileName != null)
{
throw new iText.IO.IOException("The font index for {0} must be between 0 and {1}. It is {2}.").SetMessageParams
(fileName, dirCount - 1, dirIdx);
}
else
{
throw new iText.IO.IOException("The font index must be between 0 and {0}. It is {1}.").SetMessageParams(dirCount
- 1, dirIdx);
}
}
raf.SkipBytes(dirIdx * 4);
directoryOffset = raf.ReadInt();
}
raf.Seek(directoryOffset);
int ttId = raf.ReadInt();
if (ttId != 0x00010000 && ttId != 0x4F54544F)
{
if (fileName != null)
{
throw new iText.IO.IOException("{0} is not a valid ttf or otf file.").SetMessageParams(fileName);
}
else
{
throw new iText.IO.IOException("Not a valid ttf or otf file.");
}
}
int num_tables = raf.ReadUnsignedShort();
raf.SkipBytes(6);
for (int k = 0; k < num_tables; ++k)
{
String tag = ReadStandardString(4);
raf.SkipBytes(4);
int[] table_location = new int[2];
table_location[0] = raf.ReadInt();
table_location[1] = raf.ReadInt();
tables.Put(tag, table_location);
}
}
/// <summary>Reads the font data.</summary>
/// <exception cref="System.IO.IOException"/>
protected internal virtual void Process()
{
tables = new LinkedDictionary <String, int[]>();
if (ttcIndex >= 0)
{
int dirIdx = ttcIndex;
if (dirIdx < 0)
{
if (fileName != null)
{
throw new iText.IO.IOException("the.font.index.for.1.must.be.positive").SetMessageParams(fileName);
}
else
{
throw new iText.IO.IOException("the.font.index.must.be.positive");
}
}
String mainTag = ReadStandardString(4);
if (!mainTag.Equals("ttcf"))
{
if (fileName != null)
{
throw new iText.IO.IOException("1.is.not.a.valid.ttc.file").SetMessageParams(fileName);
}
else
{
throw new iText.IO.IOException("not.a.valid.ttc.file");
}
}
raf.SkipBytes(4);
int dirCount = raf.ReadInt();
if (dirIdx >= dirCount)
{
if (fileName != null)
{
throw new iText.IO.IOException("the.font.index.for.1.must.be.between.0.and.2.it.was.3").SetMessageParams(fileName
, dirCount - 1, dirIdx);
}
else
{
throw new iText.IO.IOException("the.font.index.must.be.between.0.and.1.it.was.2").SetMessageParams(dirCount
- 1, dirIdx);
}
}
raf.SkipBytes(dirIdx * 4);
directoryOffset = raf.ReadInt();
}
raf.Seek(directoryOffset);
int ttId = raf.ReadInt();
if (ttId != 0x00010000 && ttId != 0x4F54544F)
{
if (fileName != null)
{
throw new iText.IO.IOException("1.is.not.a.valid.ttf.or.otf.file").SetMessageParams(fileName);
}
else
{
throw new iText.IO.IOException("not.a.valid.ttf.or.otf.file");
}
}
int num_tables = raf.ReadUnsignedShort();
raf.SkipBytes(6);
for (int k = 0; k < num_tables; ++k)
{
String tag = ReadStandardString(4);
raf.SkipBytes(4);
int[] table_location = new int[2];
table_location[0] = raf.ReadInt();
table_location[1] = raf.ReadInt();
tables[tag] = table_location;
}
CheckCff();
ReadHheaTable();
ReadNameTable();
ReadHeadTable();
ReadOs_2Table();
ReadPostTable();
ReadGlyphWidths();
ReadCmapTable();
}
