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- /* 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 "procedural_db.h"
- #include "gimpprogress.h"
- #include "drawable.h"
-
-
- #define WRITE_BUFFER_SIZE 512
-
- #define PLUG_IN_RGB_IMAGE 0x01
- #define PLUG_IN_GRAY_IMAGE 0x02
- #define PLUG_IN_INDEXED_IMAGE 0x04
- #define PLUG_IN_RGBA_IMAGE 0x08
- #define PLUG_IN_GRAYA_IMAGE 0x10
- #define PLUG_IN_INDEXEDA_IMAGE 0x20
-
-
- typedef enum
- {
- RUN_INTERACTIVE = 0,
- RUN_NONINTERACTIVE = 1,
- RUN_WITH_LAST_VALS = 2
- } RunModeType;
-
-
- struct _PlugIn
- {
- guint open : 1; /* Is the plug-in open* */
- guint destroy : 1; /* Should the plug-in by destroyed* */
- guint query : 1; /* Are we querying 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;
- #ifdef G_OS_WIN32
- guint his_thread_id; /* Plug-in's thread ID */
- gint his_read_fd; /* Plug-in's read pipe fd */
- #endif
-
- 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 */
-
- gimp_progress *progress; /* Progress dialog */
-
- gpointer user_data; /* Handle for hanging data onto */
- };
-
- struct _PlugInDef
- {
- gchar *prog;
- GSList *proc_defs;
- gchar *locale_domain;
- gchar *locale_path;
- gchar *help_path;
- time_t mtime;
- gboolean query;
- };
-
- struct _PlugInProcDef
- {
- gchar *prog;
- gchar *menu_path;
- gchar *accelerator;
- gchar *extensions;
- gchar *prefixes;
- gchar *magics;
- gchar *image_types;
- gint image_types_val;
- ProcRecord db_info;
- GSList *extensions_list;
- GSList *prefixes_list;
- GSList *magics_list;
- time_t mtime;
- };
-
-
- /* Initialize the plug-ins */
- void plug_in_init (void);
-
- /* Kill all running plug-ins */
- void plug_in_kill (void);
-
- /* Add a plug-in to the list of valid plug-ins and query the plug-in
- * for information if necessary.
- */
- void plug_in_add (gchar *name,
- gchar *menu_path,
- gchar *accelerator);
-
- /* Get the "image_types" the plug-in works on. */
- gchar * plug_in_image_types (gchar *name);
-
- /* Add in the file load/save handler fields procedure. */
- PlugInProcDef * plug_in_file_handler (gchar *name,
- gchar *extensions,
- gchar *prefixes,
- gchar *magics);
-
- /* Add a plug-in definition. */
- void plug_in_def_add (PlugInDef *plug_in_def);
-
- /* Allocate and free a plug-in definition. */
- PlugInDef * plug_in_def_new (gchar *prog);
- void plug_in_def_free (PlugInDef *plug_in_def,
- gboolean free_proc_defs);
-
- /* Retrieve a plug-ins menu path */
- gchar * plug_in_menu_path (gchar *name);
-
- /* Retrieve a plug-ins help path */
- gchar * plug_in_help_path (gchar *prog_name);
-
- /* Create a new plug-in structure */
- PlugIn * plug_in_new (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 (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 (gboolean with_interface);
-
- /* Set the sensitivity for plug-in menu items based on the image type. */
- void plug_in_set_menu_sensitivity (GimpImageType type);
-
- /* Register an internal plug-in. This is for file load-save
- * handlers, which are organized around the plug-in data structure.
- * This could all be done a little better, but oh well. -josh
- */
- void plug_in_add_internal (PlugInProcDef *proc_def);
- GSList * plug_in_extensions_parse (gchar *extensions);
- gint plug_in_image_types_parse (gchar *image_types);
-
- void plug_in_progress_init (PlugIn *plug_in,
- gchar *message,
- gint gdisp_ID);
- void plug_in_progress_update (PlugIn *plug_in,
- gdouble percentage);
-
- extern PlugIn *current_plug_in;
- extern GSList *proc_defs;
-
- #endif /* __PLUG_IN_H__ */
-