public DirectBitmap(int width, int height, PixelFormat format)
{
Width = width;
Height = height;
_bitmap = new Bitmap(width, height, format);
if (format == PixelFormat.Format8bppIndexed)
{
// There is no regular 8bpp grayscale in .NET, only 16 bit or 8 bit indexed.
// So we're creating an 8bpp indexed and making the palette 0 -> 255 grayscale
_bitmap.Palette = ColorExtensions.GetGrayscaleColorPalette(_bitmap);
}
IsLocked = false;
}