public GSMONO()
{
m_worker = null;
gsInstance = IntPtr.Zero;
dispInstance = IntPtr.Zero;
/* Avoiding delegate GC during the life of this object */
raise_stdin = stdin_callback;
raise_stdout = stdout_callback;
raise_stderr = stderr_callback;
m_display_callback.major_vers = 1;
m_display_callback.minor_vers = 0;
m_display_callback.display_open = display_open;
m_display_callback.display_preclose = display_preclose;
m_display_callback.display_close = display_close;
m_display_callback.display_presize = display_presize;
m_display_callback.display_size = display_size;
m_display_callback.display_sync = display_sync;
m_display_callback.display_page = display_page;
m_display_callback.display_update = display_update;
//m_display_callback.display_memalloc = display_memalloc;
//m_display_callback.display_memfree = display_memfree;
m_display_callback.display_memalloc = null;
m_display_callback.display_memfree = null;
/* The size the structure when marshalled to unmanaged code */
m_display_callback.sizeof_display_callback = Marshal.SizeOf(typeof(display_callback_t));
ptr_display_struct = Marshal.AllocHGlobal(m_display_callback.sizeof_display_callback);
Marshal.StructureToPtr(m_display_callback, ptr_display_struct, false);
m_worker_busy = false;
}
public static extern int gsapi_set_stdio(IntPtr instance,
gs_stdio_handler stdin, gs_stdio_handler stdout, gs_stdio_handler stderr);
public static extern int gsapi_set_stdio_with_handle(IntPtr instance,
gs_stdio_handler stdin, gs_stdio_handler stdout, gs_stdio_handler stderr, IntPtr caller_handle);
