private static void process_bmpcache2(RdpPacket data, int flags, bool compressed)
{
RdpBitmap bitmap;
int num3;
int num4;
byte[] buffer;
ulong key = 0L;
int num2 = flags & 7;
int bpp = ((flags & 0x38) >> 3) - 2;
if ((flags & 0x800) != 0)
{
throw new RDFatalException("DO_NOT_CACHE flag not supported!");
}
if ((flags & 0x100) != 0)
{
byte[] buffer2 = new byte[8];
data.Read(buffer2, 0, buffer2.Length);
key = BitConverter.ToUInt64(buffer2, 0);
}
if ((flags & 0x80) != 0)
{
num3 = data.ReadEncodedUnsigned16();
num4 = num3;
}
else
{
num3 = data.ReadEncodedUnsigned16();
num4 = data.ReadEncodedUnsigned16();
}
int size = data.ReadEncoded32();
int num6 = data.ReadEncodedUnsigned16();
if (compressed)
{
if ((flags & 0x400) == 0)
{
data.Position += 8L;
size -= 8;
}
if (bpp == 1)
{
buffer = RdpBitmap.decompress(num3, num4, size, data, bpp);
if (buffer == null)
{
return;
}
bitmap = new RdpBitmap(buffer, num3, num4, bpp, 0, 0);
}
else
{
uint[] numArray = RdpBitmap.decompressInt(num3, num4, size, data, bpp);
if (numArray == null)
{
return;
}
bitmap = new RdpBitmap(numArray, num3, num4, bpp, 0, 0);
}
}
else
{
buffer = new byte[(num3 * num4) * bpp];
for (int i = 0; i < num4; i++)
{
data.Read(buffer, ((num4 - i) - 1) * (num3 * bpp), num3 * bpp);
}
if (bpp == 1)
{
bitmap = new RdpBitmap(buffer, num3, num4, bpp, 0, 0);
}
else
{
bitmap = new RdpBitmap(RdpBitmap.convertImage(buffer, bpp), num3, num4, bpp, 0, 0);
}
}
if (bitmap != null)
{
Cache.putBitmap(num2, num6, bitmap, 0);
if ((flags & 0x100) != 0)
{
bitmap.PersistCache(key);
Cache.m_BitmapCaches++;
}
}
}