/// <summary>
/// Copies one line at a time, to support diffrent kinds of memory allocation
/// </summary>
/// <param name="bmd"></param>
/// <returns></returns>
public static byte[] ToByteArrayScan(this BitmapData bmd)
{
if (bmd.IsNullOrEmpty())
{
return(null);
}
byte[] result = new byte[bmd.Stride * bmd.Height];
//Marshal.Copy(bmd.Scan0, result, 0, result.Length);
int offset = 0, i = 0, w = bmd.Width, h = bmd.Height, bpp = bmd.PixelFormat.GetBitsPerPixel();
long ptr = bmd.Scan0.ToInt64();
int wtBpp = w * (bpp / 8);
int htBpp = h * (bpp / 8);
for (; i < h; i++)
{
Marshal.Copy(new IntPtr(ptr), result, offset, wtBpp);
offset += wtBpp;
ptr += bmd.Stride;
}
return(result);
}
public static byte[] ToByteArray(this BitmapData bmd)
{
if (bmd.IsNullOrEmpty())
{
return(null);
}
byte[] result = new byte[bmd.Stride * bmd.Height];
Marshal.Copy(bmd.Scan0, result, 0, result.Length);
return(result);
}
/// <summary>
/// Warning ! this array returns [y, x, z] format -> [width, height, pixels]
/// </summary>
/// <param name="bmd"></param>
/// <returns></returns>
public static byte[,,] ToByteArray3D_YXZ(this BitmapData bmd)
{
if (bmd.IsNullOrEmpty())
{
return(null);
}
byte[] data = bmd.ToByteArrayScan();
if (data.IsNullOrEmpty())
{
return(null);
}
int d = bmd.PixelFormat.GetBitsPerPixel() / 8, w = bmd.Width, h = bmd.Height, l = data.Length * sizeof(byte);
byte[,,] result = new byte[h, w, d];
Buffer.BlockCopy(data, 0, result, 0, l);
return(result);
}