private void Load()
{
if (TheStore.TheFile.Length >= BitmapToPos(Ix + 1))
{
TheStore.TheFile.Position = BitmapToPos(Ix);
if (StreamUtils.ReadInt8(TheStore.TheFile) != (byte)Store.SectorTypes.Bitmap)
{
InitializeBitmapSector();
return;
}
var nextix = StreamUtils.ReadInt32(TheStore.TheFile);
SectorData = StreamUtils.Read(TheStore.TheFile, (int)TheStore.SectorDataSize);
if (nextix != Store.LAST_SECTOR_IN_CHAIN)
{
NextBitmap = new BitmapSector(TheStore, nextix, SectorSize);
}
else
{
NextBitmap = null;
}
}
else
{
InitializeBitmapSector();
}
}
public static byte[] BCGZipDecompress(BufLen buf)
{
var reader = new BufRefLen(buf);
using (var ms = new MemoryStream())
{
// Skip gzip header
var gzheader = reader.ReadBufLen(10);
var flag = gzheader.Peek8(3);
if ((flag & 0x04) != 0)
{
reader.Seek(reader.Read16()); // "Extra"
}
if ((flag & 0x08) != 0)
{
while (reader.Read8() != 0)
{
; // "Name"
}
}
if ((flag & 0x10) != 0)
{
while (reader.Read8() != 0)
{
; // "Comment"
}
}
if ((flag & 0x02) != 0)
{
reader.Read16(); // "CRC16"
}
ms.Write(reader.BaseArray, reader.BaseArrayOffset, reader.Length);
ms.Position = 0;
using (var gzs = new ZInputStream(ms, true))
{
var gzdata = StreamUtils.Read(gzs);
return(gzdata);
}
}
}
