1 files changed, 199 insertions, 0 deletions
diff --git a/demos/csharp/api/ghostapi.cs b/demos/csharp/api/ghostapi.cs
new file mode 100644
index 00000000..b65aac9e
--- /dev/null
+++ b/demos/csharp/api/ghostapi.cs
@@ -0,0 +1,199 @@
+using System;                           /* IntPtr */
+using System.Runtime.InteropServices;   /* DLLImport */
+
+namespace GhostAPI
+{
+	public struct gsapi_revision_t
+	{
+		public IntPtr product;
+		public IntPtr copyright;
+		public int revision;
+		public int revisiondate;
+	}
+
+	public enum gs_set_param_type
+	{ 
+		gs_spt_invalid =   -1,
+		gs_spt_null =		0,   /* void * is NULL */
+		gs_spt_bool =		1,   /* void * is NULL (false) or non-NULL (true) */
+		gs_spt_int =		2,   /* void * is a pointer to an int */
+		gs_spt_float =		3,   /* void * is a float * */
+		gs_spt_name =		4,   /* void * is a char * */
+		gs_spt_string =		5,   /* void * is a char * */
+		gs_spt_long =		6,   /* void * is a long * */
+		gs_spt_i64 =		7,   /* void * is a int64_t * */
+		gs_spt_size_t =		8    /* void * is a size_t * */
+	};
+
+	public enum gsEncoding
+	{
+		GS_ARG_ENCODING_LOCAL = 0,
+		GS_ARG_ENCODING_UTF8 = 1,
+		GS_ARG_ENCODING_UTF16LE = 2
+	};
+
+	static class gsConstants
+	{
+		public const int E_QUIT = -101;
+		public const int GS_READ_BUFFER = 32768;
+		public const int DISPLAY_UNUSED_LAST = (1 << 7);
+		public const int DISPLAY_COLORS_RGB = (1 << 2);
+		public const int DISPLAY_DEPTH_8 = (1 << 11);
+		public const int DISPLAY_LITTLEENDIAN = (1 << 16);
+        public const int DISPLAY_BIGENDIAN = (0 << 16);
+	}
+
+	class ghostapi
+	{
+#if MONO
+    private const string lib_dll = "libgpdl.so";
+#else
+#if WIN64
+#if !GHOSTPDL
+		private const string lib_dll = "gsdll64.dll";
+#else
+		private const string lib_dll = "gpdldll64.dll";
+#endif
+#else
+#if !GHOSTPDL
+		private const string lib_dll = "gsdll32.dll";
+#else
+		private const string lib_dll = "gpdldll32.dll";
+#endif
+#endif
+#endif
+        /* Callback proto for stdio */
+        public delegate int gsStdIOHandler(IntPtr caller_handle, IntPtr buffer, int len);
+
+		/* Callback proto for poll function */
+		public delegate int gsPollHandler(IntPtr caller_handle);
+
+		/* Callout proto */
+		public delegate int gsCallOut(IntPtr callout_handle, IntPtr device_name, int id, int size, IntPtr data);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_revision", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_revision(ref gsapi_revision_t vers, int size);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_new_instance", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_new_instance(out IntPtr pinstance,
+			IntPtr caller_handle);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_delete_instance", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern void gsapi_delete_instance(IntPtr instance);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_init_with_args", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_init_with_args(IntPtr instance, int argc,
+			IntPtr argv);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_exit", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_exit(IntPtr instance);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_arg_encoding", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_arg_encoding(IntPtr instance,
+			int encoding);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_stdio", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_stdio(IntPtr instance,
+			gsStdIOHandler stdin, gsStdIOHandler stdout, gsStdIOHandler stderr);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_stdio_with_handle", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_stdio_with_handle(IntPtr instance,
+			gsStdIOHandler stdin, gsStdIOHandler stdout, gsStdIOHandler stderr, IntPtr caller_handle);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_poll", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_poll(IntPtr instance, gsPollHandler pollfn);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_poll_with_handle", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_poll_with_handle(IntPtr instance, gsPollHandler pollfn,
+			IntPtr caller_handle);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_get_default_device_list", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_get_default_device_list(IntPtr instance,
+			ref IntPtr list, ref int listlen);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_default_device_list", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_default_device_list(IntPtr instance,
+			IntPtr list, ref int listlen);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_run_string", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_run_string(IntPtr instance, IntPtr command,
+			int usererr, ref int exitcode);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_run_string_with_length", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_run_string_with_length(IntPtr instance, IntPtr command,
+			uint length, int usererr, ref int exitcode);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_run_file", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_run_file(IntPtr instance, IntPtr filename,
+			int usererr, ref int exitcode);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_run_string_begin", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_run_string_begin(IntPtr instance,
+			int usererr, ref int exitcode);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_run_string_continue", CharSet = CharSet.Ansi,
+		CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_run_string_continue(IntPtr instance,
+			IntPtr command, int count, int usererr, ref int exitcode);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_run_string_end", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_run_string_end(IntPtr instance,
+			int usererr, ref int exitcode);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_display_callback", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_display_callback(IntPtr pinstance, IntPtr caller_handle);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_add_control_path", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_add_control_path(IntPtr instance, int type, IntPtr path);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_remove_control_path", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_remove_control_path(IntPtr instance, int type, IntPtr path);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_purge_control_paths", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern void gsapi_purge_control_paths(IntPtr instance, int type);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_activate_path_control", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern void gsapi_activate_path_control(IntPtr instance, int enable);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_is_path_control_active", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_is_path_control_active(IntPtr instance);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_set_param", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_set_param(IntPtr instance, gs_set_param_type type,
+			IntPtr param, IntPtr value);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_register_callout", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_register_callout(IntPtr instance, gsCallOut callout,
+			IntPtr callout_handle);
+
+		[DllImport(lib_dll, EntryPoint = "gsapi_deregister_callout", CharSet = CharSet.Ansi,
+			CallingConvention = CallingConvention.StdCall)]
+		public static extern int gsapi_deregister_callout(IntPtr instance, gsCallOut callout,
+			IntPtr callout_handle);
+	}
+}