internal virtual void ReadSegment(Jbig2SegmentReader.Jbig2Segment s)
{
int ptr = (int)ra.GetPosition();
if (s.dataLength == unchecked ((long)(0xffffffffl)))
{
// TODO figure this bit out, 7.2.7
return;
}
byte[] data = new byte[(int)s.dataLength];
ra.Read(data);
s.data = data;
if (s.type == PAGE_INFORMATION)
{
int last = (int)ra.GetPosition();
ra.Seek(ptr);
int page_bitmap_width = ra.ReadInt();
int page_bitmap_height = ra.ReadInt();
ra.Seek(last);
Jbig2SegmentReader.Jbig2Page p = pages.Get(s.page);
if (p == null)
{
throw new iText.IO.IOException("Referring to widht or height of a page we haven't seen yet: {0}").SetMessageParams
(s.page);
}
p.pageBitmapWidth = page_bitmap_width;
p.pageBitmapHeight = page_bitmap_height;
}
}
void ReadSegment(JBIG2Segment s)
{
int ptr = ra.FilePointer;
if (s.dataLength == 0xffffffffL)
{
// TODO figure this bit out, 7.2.7
return;
}
byte[] data = new byte[(int)s.dataLength];
ra.Read(data);
s.data = data;
if (s.type == PAGE_INFORMATION)
{
int last = ra.FilePointer;
ra.Seek(ptr);
int page_bitmap_width = ra.ReadInt();
int page_bitmap_height = ra.ReadInt();
ra.Seek(last);
JBIG2Page p = pages[s.page];
if (p == null)
{
throw new InvalidOperationException(MessageLocalization.GetComposedMessage("referring.to.widht.height.of.page.we.havent.seen.yet.1", s.page));
}
p.pageBitmapWidth = page_bitmap_width;
p.pageBitmapHeight = page_bitmap_height;
}
}
void ReadSegment(JBIG2Segment s)
{
int ptr = ra.FilePointer;
if (s.dataLength == 0xffffffffL)
{
// TODO figure this bit out, 7.2.7
return;
}
byte[] data = new byte[(int)s.dataLength];
ra.Read(data);
s.data = data;
if (s.type == PAGE_INFORMATION)
{
int last = ra.FilePointer;
ra.Seek(ptr);
int page_bitmap_width = ra.ReadInt();
int page_bitmap_height = ra.ReadInt();
ra.Seek(last);
JBIG2Page p = (JBIG2Page)pages[s.page];
if (p == null)
{
throw new InvalidOperationException("referring to widht/height of page we havent seen yet? " + s.page);
}
p.pageBitmapWidth = page_bitmap_width;
p.pageBitmapHeight = page_bitmap_height;
}
}
virtual public void TestSeek()
{
RandomAccessFileOrArray rafoa = new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateSource(data));
rafoa.Seek(72);
for (int i = 72; i < data.Length; i++)
{
Assert.AreEqual(data[i], (byte)rafoa.Read());
}
}
/// <summary>Construct an icc profile from the passed random-access file or array.</summary>
/// <param name="file">random-access file or array containing the profile</param>
/// <returns>IccProfile constructed from the data</returns>
/// <exception cref="iText.IO.IOException">if the source does not contain a valid icc profile</exception>
public static iText.IO.Colors.IccProfile GetInstance(RandomAccessFileOrArray file)
{
try {
byte[] head = new byte[128];
int remain = head.Length;
int ptr = 0;
while (remain > 0)
{
int n = file.Read(head, ptr, remain);
if (n < 0)
{
throw new iText.IO.IOException(iText.IO.IOException.InvalidIccProfile);
}
remain -= n;
ptr += n;
}
if (head[36] != 0x61 || head[37] != 0x63 || head[38] != 0x73 || head[39] != 0x70)
{
throw new iText.IO.IOException(iText.IO.IOException.InvalidIccProfile);
}
remain = (head[0] & 0xff) << 24 | (head[1] & 0xff) << 16 | (head[2] & 0xff) << 8 | head[3] & 0xff;
byte[] icc = new byte[remain];
System.Array.Copy(head, 0, icc, 0, head.Length);
remain -= head.Length;
ptr = head.Length;
while (remain > 0)
{
int n = file.Read(icc, ptr, remain);
if (n < 0)
{
throw new iText.IO.IOException(iText.IO.IOException.InvalidIccProfile);
}
remain -= n;
ptr += n;
}
return(GetInstance(icc));
}
catch (Exception ex) {
throw new iText.IO.IOException(iText.IO.IOException.InvalidIccProfile, ex);
}
}
/// <exception cref="System.IO.IOException"/>
public static void TransferBytes(RandomAccessFileOrArray input, Stream output)
{
byte[] buffer = new byte[TRANSFER_SIZE];
for (; ;)
{
int len = input.Read(buffer, 0, TRANSFER_SIZE);
if (len > 0)
{
output.Write(buffer, 0, len);
}
else
{
break;
}
}
}
virtual public void TestPushback_byteByByte()
{
Assert.AreEqual(data[0], (byte)rafoa.Read());
Assert.AreEqual(data[1], (byte)rafoa.Read());
byte pushBackVal = (byte)(data[1] + 42);
rafoa.PushBack(pushBackVal);
Assert.AreEqual(pushBackVal, (byte)rafoa.Read());
Assert.AreEqual(data[2], (byte)rafoa.Read());
Assert.AreEqual(data[3], (byte)rafoa.Read());
}
public static byte[] GetBytes(Uri uri)
{
WebRequest wr = WebRequest.Create(uri);
wr.Credentials = CredentialCache.DefaultCredentials;
var isp = wr.GetResponse().GetResponseStream();
byte[] bytes = null;
try
{
var a = new RandomAccessFileOrArray(isp);
try
{
using (var aa = new MemoryStream())
{
int b;
while ((b = a.Read()) != -1)
{
aa.WriteByte((byte)b);
}
bytes = aa.ToArray();
}
}
finally
{
try
{
a.Close();
}
catch (Exception)
{
}
}
}
finally
{
try
{
isp.Close();
}
catch (Exception)
{
}
}
return(bytes);
}
private String ReadString()
{
StringBuilder buf = new StringBuilder();
while (true)
{
int c = input.Read();
if (c <= 0)
{
break;
}
buf.Append((char)c);
}
return(buf.ToString());
}
public virtual byte[] GetFontStreamBytes()
{
if (fontParser.IsBuiltInFont())
{
return(null);
}
if (fontStreamBytes != null)
{
return(fontStreamBytes);
}
RandomAccessFileOrArray raf = null;
try {
raf = fontParser.GetPostscriptBinary();
int fileLength = (int)raf.Length();
fontStreamBytes = new byte[fileLength - 18];
fontStreamLengths = new int[3];
int bytePtr = 0;
for (int k = 0; k < 3; ++k)
{
if (raf.Read() != 0x80)
{
ILog logger = LogManager.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error(iText.IO.LogMessageConstant.START_MARKER_MISSING_IN_PFB_FILE);
return(null);
}
if (raf.Read() != PFB_TYPES[k])
{
ILog logger = LogManager.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error("incorrect.segment.type.in.pfb.file");
return(null);
}
int size = raf.Read();
size += raf.Read() << 8;
size += raf.Read() << 16;
size += raf.Read() << 24;
fontStreamLengths[k] = size;
while (size != 0)
{
int got = raf.Read(fontStreamBytes, bytePtr, size);
if (got < 0)
{
ILog logger = LogManager.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error("premature.end.in.pfb.file");
return(null);
}
bytePtr += got;
size -= got;
}
}
return(fontStreamBytes);
}
catch (Exception) {
ILog logger = LogManager.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error("type1.font.file.exception");
return(null);
}
finally {
if (raf != null)
{
try {
raf.Close();
}
catch (Exception) {
}
}
}
}
