public override void Write(byte[] buffer, int offset, int count)
{
if (count > Length - Position)
{
throw new IndexOutOfRangeException();
}
for (var i = 0; i < count; i++)
{
for (var j = 0; j < 8; j++)
{
WriteBit((int)Position * 8 + j, BitHelper.GetBit(buffer[offset + i], j));
}
Position++;
}
}
private void Encrypt(JBLOCK[][][] coefficients, byte[] data)
{
var l = JpegHelper.GetLength(coefficients);
Console.Out.WriteLine($"Capacity = {l / 8}");
Console.Out.WriteLine("Used = {0}", data.Length);
for (var i = 0; i < data.Length; i++)
{
for (var j = 0; j < 8; j++)
{
var block = JpegHelper.GetBlock(coefficients, i * 8 + j);
block[0] = EncryptShort(block[0], BitHelper.GetBit(data[i], j));
}
}
}
/// <summary>
/// Function maps current brick code to roteted one
/// </summary>
/// <param name="left">true - rotate left, false - rotate right</param>
/// <returns>roteted brick code</returns>
public int RotateBrick(bool left)
{
int newCode = 0;
if (left)
{
for (int i = 0; i < rotateLeftMap.Length; i++)
{
newCode |= BitHelper.GetBit(BrickCode, rotateLeftMap[i]) << i;
}
}
else
{
for (int i = 0; i < rotateLeftMap.Length; i++)
{
newCode |= BitHelper.GetBit(BrickCode, i) << rotateLeftMap[i];
}
}
return(newCode);
}