gimp/app/plug-in/gimpplugin.h

102 lines
3.9 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __PLUG_IN_H__
#define __PLUG_IN_H__
#include <sys/types.h> /* pid_t */
#define WRITE_BUFFER_SIZE 512
struct _PlugIn
{
Gimp *gimp;
gint ref_count;
ProcRecord *proc_rec; /* The procedure the plug-in is running */
guint open : 1; /* Is the plug-in open? */
guint query : 1; /* Are we querying the plug-in? */
guint init : 1; /* Are we initialing the plug-in? */
guint synchronous : 1; /* Is the plug-in running synchronously? */
pid_t pid; /* Plug-in's process id */
gchar *name; /* Plug-in's name */
gchar *prog; /* Plug-in's full path name */
GIOChannel *my_read; /* App's read and write channels */
GIOChannel *my_write;
GIOChannel *his_read; /* Plug-in's read and write channels */
GIOChannel *his_write;
guint input_id; /* Id of input proc */
gchar write_buffer[WRITE_BUFFER_SIZE]; /* Buffer for writing */
gint write_buffer_index; /* Buffer index for writing */
GSList *temp_proc_defs; /* Temporary procedures */
ProcRecord *current_temp_proc;/* The temp proc the plug-in is busy with */
GMainLoop *ext_main_loop; /* for waiting for extension_ack */
GMainLoop *recurse_main_loop;/* for waiting for proc_return */
GList *temp_main_loops; /* for waiting for temp_proc_returns */
Argument *return_vals; /* The return value we wait for */
gint n_return_vals;
GimpProgress *progress; /* Progress dialog */
PlugInDef *plug_in_def; /* Valid only during query() and init() */
};
void plug_in_init (Gimp *gimp);
void plug_in_exit (Gimp *gimp);
void plug_in_call_query (Gimp *gimp,
PlugInDef *plug_in_def);
void plug_in_call_init (Gimp *gimp,
PlugInDef *plug_in_def);
PlugIn * plug_in_new (Gimp *gimp,
ProcRecord *proc_rec,
const gchar *prog);
void plug_in_ref (PlugIn *plug_in);
void plug_in_unref (PlugIn *plug_in);
gboolean plug_in_open (PlugIn *plug_in);
void plug_in_close (PlugIn *plug_in,
gboolean kill_it);
void plug_in_push (Gimp *gimp,
PlugIn *plug_in);
void plug_in_pop (Gimp *gimp);
void plug_in_main_loop (PlugIn *plug_in);
void plug_in_main_loop_quit (PlugIn *plug_in);
gchar * plug_in_get_undo_desc (PlugIn *plug_in);
#endif /* __PLUG_IN_H__ */