protected static void ReadValue(CFFStream stream, CSValue value, int stemCount)
{
short v = stream.ReadByte();
switch (v)
{
case 12:
value.isOperator = true;
value.value = 12;
value.op = stream.ReadByte();
return;
case 19:
case 20:
value.isOperator = true;
value.value = v;
int count = (int)Math.Ceiling((double)stemCount / 8);
if (count == 0)
{
count = 1;
}
value.trails = stream.ReadBytes(count);
break;
case 28:
value.isOperator = false;
value.value = stream.ReadInt16();
return;
case 247:
case 248:
case 249:
case 250:
value.isOperator = false;
value.value = (v - 247) * 256 + stream.ReadByte() + 108;
return;
case 251:
case 252:
case 253:
case 254:
value.isOperator = false;
value.value = -((v - 251) * 256) - stream.ReadByte() - 108;
return;
case 255:
value.isOperator = false;
value.value = stream.ReadInt32();
return;
}
if (v >= 32 && v <= 246)
{
value.isOperator = false;
value.value = v - 139;
return;
}
value.isOperator = true;
value.value = v;
}
public CFFCharString()
{
stack = new List <int>();
stream = new CFFStream();
value = new CSValue();
point = new Point();
random = new Random();
storage = new int[MaxStorageSize];
}
public static string Decode(byte[] data)
{
if (data == null || data.Length <= 0)
{
return("");
}
//MemoryStream stream = new MemoryStream(data);
//BinaryReaderFont reader = new BinaryReaderFont(stream);
CFFStream stream = new CFFStream();
stream.Push(data);
CSValue value = new CSValue();
int stackCount = 0;
int stemCount = 0;
int length = data.Length;
StringBuilder builder = new StringBuilder();
while (stream.Position < length)
{
ReadValue(stream, value, stemCount);
if (value.isOperator)
{
string name = ToOperatorName(value);
if (name.Contains("stem"))
{
stemCount += stackCount / 2;
}
builder.Append(name);
if (name.Contains("mask"))
{
stemCount += stackCount / 2;
for (int i = 0; i < value.trails.Length; i++)
{
builder.AppendFormat(" 0x{0:X2}", value.trails[i]);
}
}
builder.AppendLine();
stackCount = 0;
continue;
}
stackCount++;
builder.AppendFormat("{0} ", value.value);
}
//reader.Close();
//stream.Close();
//reader.Dispose();
//stream.Dispose();
return(builder.ToString());
}
