Axiom.Media.PixelConverter.UnpackColor C# (CSharp) Method

		public static void UnpackColor( ref byte r, ref byte g, ref byte b, ref byte a, PixelFormat pf, IntPtr src )
		{
			PixelFormatDescription des = GetDescriptionFor( pf );
			if ( ( des.flags & PixelFormatFlags.NativeEndian ) != 0 )
			{
				// Shortcut for integer formats unpacking
				uint value = Bitwise.IntRead( src, des.elemBytes );
				if ( ( des.flags & PixelFormatFlags.Luminance ) != 0 )
					// Luminance format -- only rbits used
					r = g = b = (byte)Bitwise.FixedToFixed( ( value & des.rmask ) >> des.rshift, des.rbits, 8 );
				else
				{
					r = (byte)Bitwise.FixedToFixed( ( value & des.rmask ) >> des.rshift, des.rbits, 8 );
					g = (byte)Bitwise.FixedToFixed( ( value & des.gmask ) >> des.gshift, des.gbits, 8 );
					b = (byte)Bitwise.FixedToFixed( ( value & des.bmask ) >> des.bshift, des.bbits, 8 );
				}
				if ( ( des.flags & PixelFormatFlags.HasAlpha ) != 0 )
				{
					a = (byte)Bitwise.FixedToFixed( ( value & des.amask ) >> des.ashift, des.abits, 8 );
				}
				else
					a = 255; // No alpha, default a component to full
			}
			else
			{
				// Do the operation with the more generic floating point
				float rr, gg, bb, aa;
				UnpackColor( out rr, out gg, out bb, out aa, pf, src );
				r = Bitwise.FloatToByteFixed( rr );
				g = Bitwise.FloatToByteFixed( gg );
				b = Bitwise.FloatToByteFixed( bb );
				a = Bitwise.FloatToByteFixed( aa );
			}
		}
        /// <summary>

        private void Unpack(ref ColorEx dst, int x, int y, int z, PixelFormat format, BufferBase src, PixelBox srcbox,
                            int elemsize)
        {
            var data = src + (elemsize * ((x) + (y) * srcbox.RowPitch + (z) * srcbox.SlicePitch));

            dst = PixelConverter.UnpackColor(format, data);
        }