private void WriteFreeListBMPFile()
{
// write freelist to end of blocks and update master block
if (_freeList != null)
{
_freeList.Optimize();
var o = _freeList.Serialize();
var b = fastBinaryJSON.BJSON.ToBJSON(o, new fastBinaryJSON.BJSONParameters {
UseExtensions = false
});
var len = b.Length;
var offset = 0;
// write master block
SeekBlock(0);
_lastBlockNumber++;
WriteBlockBytes(new byte[] { (byte)'F', (byte)'L' }, 0, 2);
WriteBlockBytes(Helper.GetBytes(_lastBlockNumber, false), 0, 4);
WriteBlockBytes(Helper.GetBytes(len, false), 0, 4);
// seek to end of file
SeekBlock(_lastBlockNumber);
while (len > 0)
{
WriteBlockBytes(new byte[] { (byte)'F', (byte)'L' }, 0, 2);
WriteBlockBytes(b, offset, len > _BLOCKSIZE ? _BLOCKSIZE - 2 : len);
len -= (_BLOCKSIZE - 2);
}
}
}
private long SaveBitmapToFile(MGRB bmp)
{
long off = _lastBitmapOffset;
var dat = bmp.Serialize();
var hdr = new byte[_hdrlen];
var b = fastBinaryJSON.BJSON.ToBJSON(dat, new fastBinaryJSON.BJSONParameters {
UseExtensions = false
});
hdr[0] = (byte)'b';
hdr[1] = (byte)'m';
hdr[2] = 0; // uncompressed
if (Global.CompressBitmapBytes)
{
hdr[2] = 1;
b = MiniLZO.Compress(b);
}
var s = Helper.GetBytes(b.Length, false);
Buffer.BlockCopy(s, 0, hdr, 3, 4);
_bitmapFileWrite.Write(hdr, 0, hdr.Length);
_lastBitmapOffset += hdr.Length;
_bitmapFileWrite.Write(b, 0, b.Length);
_lastBitmapOffset += b.Length;
return(off);
}
private void WriteFile()
{
lock (_lock)
{
_bits.Optimize();
var o = _bits.Serialize();
var b = fastBinaryJSON.BJSON.ToBJSON(o, new fastBinaryJSON.BJSONParameters {
UseExtensions = false
});
File.WriteAllBytes(_path + _filename, b);
}
}
