public RandomAccessFileOrArray(RandomAccessFileOrArray file)
{
filename = file.filename;
arrayIn = file.arrayIn;
startOffset = file.startOffset;
}
internal EnumerateTTC(String ttcFile)
{
fileName = ttcFile;
rf = new RandomAccessFileOrArray(ttcFile);
FindNames();
}
internal EnumerateTTC(byte[] ttcArray)
{
fileName = "Byte array TTC";
rf = new RandomAccessFileOrArray(ttcArray);
FindNames();
}
/** If the embedded flag is <CODE>false</CODE> or if the font is
* one of the 14 built in types, it returns <CODE>null</CODE>,
* otherwise the font is read and output in a PdfStream object.
* @return the PdfStream containing the font or <CODE>null</CODE>
* @throws DocumentException if there is an error reading the font
*/
public override PdfStream GetFullFontStream()
{
if (builtinFont || !embedded)
{
return(null);
}
RandomAccessFileOrArray rf = null;
try {
string filePfb = fileName.Substring(0, fileName.Length - 3) + "pfb";
if (pfb == null)
{
rf = new RandomAccessFileOrArray(filePfb, true);
}
else
{
rf = new RandomAccessFileOrArray(pfb);
}
int fileLength = rf.Length;
byte[] st = new byte[fileLength - 18];
int[] lengths = new int[3];
int bytePtr = 0;
for (int k = 0; k < 3; ++k)
{
if (rf.Read() != 0x80)
{
throw new DocumentException("Start marker missing in " + filePfb);
}
if (rf.Read() != PFB_TYPES[k])
{
throw new DocumentException("Incorrect segment type in " + filePfb);
}
int size = rf.Read();
size += rf.Read() << 8;
size += rf.Read() << 16;
size += rf.Read() << 24;
lengths[k] = size;
while (size != 0)
{
int got = rf.Read(st, bytePtr, size);
if (got < 0)
{
throw new DocumentException("Premature end in " + filePfb);
}
bytePtr += got;
size -= got;
}
}
return(new StreamFont(st, lengths, compressionLevel));
}
finally {
if (rf != null)
{
try {
rf.Close();
}
catch {
// empty on purpose
}
}
}
}
/** Creates a new instance of Pfm2afm */
private Pfm2afm(RandomAccessFileOrArray inp, Stream outp)
{
this.inp = inp;
encoding = Encoding.GetEncoding(1252);
this.outp = new StreamWriter(outp, encoding);
}
/** Reads the font metrics
* @param rf the AFM file
* @throws DocumentException the AFM file is invalid
* @throws IOException the AFM file could not be read
*/
public void Process(RandomAccessFileOrArray rf)
{
string line;
bool isMetrics = false;
while ((line = rf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line, " ,\n\r\t\f");
if (!tok.HasMoreTokens())
{
continue;
}
string ident = tok.NextToken();
if (ident.Equals("FontName"))
{
FontName = tok.NextToken("\u00ff").Substring(1);
}
else if (ident.Equals("FullName"))
{
FullName = tok.NextToken("\u00ff").Substring(1);
}
else if (ident.Equals("FamilyName"))
{
FamilyName = tok.NextToken("\u00ff").Substring(1);
}
else if (ident.Equals("Weight"))
{
Weight = tok.NextToken("\u00ff").Substring(1);
}
else if (ident.Equals("ItalicAngle"))
{
ItalicAngle = float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("IsFixedPitch"))
{
IsFixedPitch = tok.NextToken().Equals("true");
}
else if (ident.Equals("CharacterSet"))
{
CharacterSet = tok.NextToken("\u00ff").Substring(1);
}
else if (ident.Equals("FontBBox"))
{
llx = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
lly = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
urx = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
ury = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("UnderlinePosition"))
{
UnderlinePosition = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("UnderlineThickness"))
{
UnderlineThickness = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("EncodingScheme"))
{
EncodingScheme = tok.NextToken("\u00ff").Substring(1);
}
else if (ident.Equals("CapHeight"))
{
CapHeight = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("XHeight"))
{
XHeight = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("Ascender"))
{
Ascender = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("Descender"))
{
Descender = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("StdHW"))
{
StdHW = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("StdVW"))
{
StdVW = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("StartCharMetrics"))
{
isMetrics = true;
break;
}
}
if (!isMetrics)
{
throw new DocumentException("Missing StartCharMetrics in " + fileName);
}
while ((line = rf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.HasMoreTokens())
{
continue;
}
string ident = tok.NextToken();
if (ident.Equals("EndCharMetrics"))
{
isMetrics = false;
break;
}
int C = -1;
int WX = 250;
string N = "";
int[] B = null;
tok = new StringTokenizer(line, ";");
while (tok.HasMoreTokens())
{
StringTokenizer tokc = new StringTokenizer(tok.NextToken());
if (!tokc.HasMoreTokens())
{
continue;
}
ident = tokc.NextToken();
if (ident.Equals("C"))
{
C = int.Parse(tokc.NextToken());
}
else if (ident.Equals("WX"))
{
WX = (int)float.Parse(tokc.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
}
else if (ident.Equals("N"))
{
N = tokc.NextToken();
}
else if (ident.Equals("B"))
{
B = new int[] { int.Parse(tokc.NextToken()),
int.Parse(tokc.NextToken()),
int.Parse(tokc.NextToken()),
int.Parse(tokc.NextToken()) };
}
}
Object[] metrics = new Object[] { C, WX, N, B };
if (C >= 0)
{
CharMetrics[C] = metrics;
}
CharMetrics[N] = metrics;
}
if (isMetrics)
{
throw new DocumentException("Missing EndCharMetrics in " + fileName);
}
if (!CharMetrics.ContainsKey("nonbreakingspace"))
{
Object[] space = (Object[])CharMetrics["space"];
if (space != null)
{
CharMetrics["nonbreakingspace"] = space;
}
}
while ((line = rf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.HasMoreTokens())
{
continue;
}
string ident = tok.NextToken();
if (ident.Equals("EndFontMetrics"))
{
return;
}
if (ident.Equals("StartKernPairs"))
{
isMetrics = true;
break;
}
}
if (!isMetrics)
{
throw new DocumentException("Missing EndFontMetrics in " + fileName);
}
while ((line = rf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.HasMoreTokens())
{
continue;
}
string ident = tok.NextToken();
if (ident.Equals("KPX"))
{
string first = tok.NextToken();
string second = tok.NextToken();
int width = (int)float.Parse(tok.NextToken(), System.Globalization.NumberFormatInfo.InvariantInfo);
Object[] relates = (Object[])KernPairs[first];
if (relates == null)
{
KernPairs[first] = new Object[] { second, width }
}
;
else
{
int n = relates.Length;
Object[] relates2 = new Object[n + 2];
Array.Copy(relates, 0, relates2, 0, n);
relates2[n] = second;
relates2[n + 1] = width;
KernPairs[first] = relates2;
}
}
else if (ident.Equals("EndKernPairs"))
{
isMetrics = false;
break;
}
}
if (isMetrics)
{
throw new DocumentException("Missing EndKernPairs in " + fileName);
}
rf.Close();
}
/** Creates a new Type1 font.
* @param ttfAfm the AFM file if the input is made with a <CODE>byte</CODE> array
* @param pfb the PFB file if the input is made with a <CODE>byte</CODE> array
* @param afmFile the name of one of the 14 built-in fonts or the location of an AFM file. The file must end in '.afm'
* @param enc the encoding to be applied to this font
* @param emb true if the font is to be embedded in the PDF
* @throws DocumentException the AFM file is invalid
* @throws IOException the AFM file could not be read
*/
internal Type1Font(string afmFile, string enc, bool emb, byte[] ttfAfm, byte[] pfb, bool forceRead)
{
if (emb && ttfAfm != null && pfb == null)
{
throw new DocumentException("Two byte arrays are needed if the Type1 font is embedded.");
}
if (emb && ttfAfm != null)
{
this.pfb = pfb;
}
encoding = enc;
embedded = emb;
fileName = afmFile;
FontType = FONT_TYPE_T1;
RandomAccessFileOrArray rf = null;
Stream istr = null;
if (BuiltinFonts14.ContainsKey(afmFile))
{
embedded = false;
builtinFont = true;
byte[] buf = new byte[1024];
try {
istr = GetResourceStream(RESOURCE_PATH + afmFile + ".afm");
if (istr == null)
{
Console.Error.WriteLine(afmFile + " not found as resource.");
throw new DocumentException(afmFile + " not found as resource.");
}
MemoryStream ostr = new MemoryStream();
while (true)
{
int size = istr.Read(buf, 0, buf.Length);
if (size == 0)
{
break;
}
ostr.Write(buf, 0, size);
}
buf = ostr.ToArray();
}
finally {
if (istr != null)
{
try {
istr.Close();
}
catch {
// empty on purpose
}
}
}
try {
rf = new RandomAccessFileOrArray(buf);
Process(rf);
}
finally {
if (rf != null)
{
try {
rf.Close();
}
catch {
// empty on purpose
}
}
}
}
else if (afmFile.ToLower(System.Globalization.CultureInfo.InvariantCulture).EndsWith(".afm"))
{
try {
if (ttfAfm == null)
{
rf = new RandomAccessFileOrArray(afmFile, forceRead);
}
else
{
rf = new RandomAccessFileOrArray(ttfAfm);
}
Process(rf);
}
finally {
if (rf != null)
{
try {
rf.Close();
}
catch {
// empty on purpose
}
}
}
}
else if (afmFile.ToLower(System.Globalization.CultureInfo.InvariantCulture).EndsWith(".pfm"))
{
try {
MemoryStream ba = new MemoryStream();
if (ttfAfm == null)
{
rf = new RandomAccessFileOrArray(afmFile, forceRead);
}
else
{
rf = new RandomAccessFileOrArray(ttfAfm);
}
Pfm2afm.Convert(rf, ba);
rf.Close();
rf = new RandomAccessFileOrArray(ba.ToArray());
Process(rf);
}
finally {
if (rf != null)
{
try {
rf.Close();
}
catch {
// empty on purpose
}
}
}
}
else
{
throw new DocumentException(afmFile + " is not an AFM or PFM font file.");
}
EncodingScheme = EncodingScheme.Trim();
if (EncodingScheme.Equals("AdobeStandardEncoding") || EncodingScheme.Equals("StandardEncoding"))
{
fontSpecific = false;
}
if (!encoding.StartsWith("#"))
{
PdfEncodings.ConvertToBytes(" ", enc); // check if the encoding exists
}
CreateEncoding();
}
public PRTokeniser(RandomAccessFileOrArray file)
{
this.file = file;
}
public PRTokeniser(byte[] pdfIn)
{
file = new RandomAccessFileOrArray(pdfIn);
}
public PRTokeniser(string filename)
{
file = new RandomAccessFileOrArray(filename);
}