gimp/app/plug-in/gimpplugin.h

115 lines
4.2 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;
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? */
guint recurse : 1; /* Have we called 'gtk_main' recursively? */
guint busy : 1; /* Is the plug-in busy with a temp proc? */
pid_t pid; /* Plug-ins process id */
gchar *args[7]; /* Plug-ins command line arguments */
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;
guint32 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 */
GimpProgress *progress; /* Progress dialog */
PlugInDef *user_data; /* DON'T USE!! */
};
void plug_in_init (Gimp *gimp);
void plug_in_kill (Gimp *gimp);
void plug_in_call_query (Gimp *gimp,
PlugInDef *plug_in_def);
void plug_in_call_init (Gimp *gimp,
PlugInDef *plug_in_def);
/* Create a new plug-in structure
*/
PlugIn * plug_in_new (Gimp *gimp,
gchar *name);
/* Destroy a plug-in structure.
* This will close the plug-in first if necessary.
*/
void plug_in_destroy (PlugIn *plug_in);
/* Open a plug-in. This cause the plug-in to run.
* If returns TRUE, you must destroy the plugin.
* If returns FALSE, you must not destroy the plugin.
*/
gboolean plug_in_open (PlugIn *plug_in);
/* Close a plug-in. This kills the plug-in and releases its resources.
*/
void plug_in_close (PlugIn *plug_in,
gboolean kill_it);
/* Run a plug-in as if it were a procedure database procedure
*/
Argument * plug_in_run (Gimp *gimp,
ProcRecord *proc_rec,
Argument *args,
gint argc,
gboolean synchronous,
gboolean destroy_values,
gint gdisp_ID);
/* Run the last plug-in again with the same arguments. Extensions
* are exempt from this "privelege".
*/
void plug_in_repeat (Gimp *gimp,
gint display_ID,
gint image_ID,
gint drawable_ID,
gboolean with_interface);
extern PlugIn *current_plug_in;
extern ProcRecord *last_plug_in;
#endif /* __PLUG_IN_H__ */