public Compressor(byte[] image)
{
buf1 = new MemoryStream();
if (PDF.original_zlib) {
ods1 = new OptionalDeflateStream(buf1);
ods1.Write(image, 0, image.Length);
ods1.Close();
} else {
dos1 = new DeflaterOutputStream(buf1, new Deflater());
dos1.Write(image, 0, image.Length);
dos1.Finish();
}
}
public Compressor(byte[] image)
{
buf1 = new MemoryStream();
if (PDF.original_zlib)
{
ods1 = new OptionalDeflateStream(buf1);
ods1.Write(image, 0, image.Length);
ods1.Close();
}
else
{
dos1 = new DeflaterOutputStream(buf1, new Deflater());
dos1.Write(image, 0, image.Length);
dos1.Finish();
}
}
public void Write(byte[] buffer, int off, int len)
{
if (PDF.original_zlib)
{
ds2.Write(buffer, off, len);
return;
}
// Compress the data in the buffer
ds1.Write(buffer, off, len);
ds1.Close();
buf2.WriteTo(buf1);
// Calculate the Adler-32 checksum
ulong s1 = 1L;
ulong s2 = 0L;
for (int i = 0; i < len; i++)
{
s1 = (s1 + buffer[off + i]) % prime;
s2 = (s2 + s1) % prime;
}
appendAdler((s2 << 16) + s1);
}