private void ReadFreeListBMPFile(string filename)
{
byte[] b = File.ReadAllBytes(filename);
WAHBitArray.TYPE t = WAHBitArray.TYPE.WAH;
int j = 0;
if (b.Length % 4 > 0) // new format with the data type byte
{
t = (WAHBitArray.TYPE)Enum.ToObject(typeof(WAHBitArray.TYPE), b[0]);
j = 1;
}
List <uint> ints = new List <uint>();
for (int i = 0; i < b.Length / 4; i++)
{
ints.Add((uint)Helper.ToInt32(b, (i * 4) + j));
}
_freeList = new WAHBitArray(t, ints.ToArray());
}
private void ReadFile()
{
byte[] b = File.ReadAllBytes(_path + _filename);
MemoryStream ms = new MemoryStream(b);
BinaryReader br = new BinaryReader(ms);
WAHBitArray.TYPE t = WAHBitArray.TYPE.WAH;
if (b.Length % 4 > 0) // new format with the data type byte
{
byte tb = br.ReadByte();
t = (WAHBitArray.TYPE)Enum.ToObject(typeof(WAHBitArray.TYPE), tb);
}
List <uint> ints = new List <uint>();
for (int i = 0; i < b.Length / 4; i++)
{
ints.Add((uint)br.ReadInt32());
}
_bits = new WAHBitArray(t, ints.ToArray());
}
private WAHBitArray LoadBitmap(long offset)
{
WAHBitArray bc = new WAHBitArray();
if (offset == -1)
{
return(bc);
}
List <uint> ar = new List <uint>();
WAHBitArray.TYPE type = WAHBitArray.TYPE.WAH;
FileStream bmp = _bitmapFileRead;
{
bmp.Seek(offset, SeekOrigin.Begin);
byte[] b = new byte[8];
bmp.Read(b, 0, 8);
if (b[0] == (byte)'B' && b[1] == (byte)'M' && b[7] == 0)
{
type = (WAHBitArray.TYPE)Enum.ToObject(typeof(WAHBitArray.TYPE), b[6]);
int c = Helper.ToInt32(b, 2);
byte[] buf = new byte[c * 4];
bmp.Read(buf, 0, c * 4);
for (int i = 0; i < c; i++)
{
ar.Add((uint)Helper.ToInt32(buf, i * 4));
}
}
}
bc = new WAHBitArray(type, ar.ToArray());
return(bc);
}
