mirror of https://github.com/GNOME/gimp.git
195 lines
6.5 KiB
C
195 lines
6.5 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PLUG_IN_H__
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#define __PLUG_IN_H__
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#include <time.h> /* time_t */
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#include <sys/types.h> /* pid_t */
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/* FIXME: move the plugin stuff to plug-in/ */
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#include "plug-in/plug-in-types.h"
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#include "pdb/procedural_db.h"
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#define WRITE_BUFFER_SIZE 512
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#define PLUG_IN_RGB_IMAGE 0x01
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#define PLUG_IN_GRAY_IMAGE 0x02
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#define PLUG_IN_INDEXED_IMAGE 0x04
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#define PLUG_IN_RGBA_IMAGE 0x08
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#define PLUG_IN_GRAYA_IMAGE 0x10
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#define PLUG_IN_INDEXEDA_IMAGE 0x20
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struct _PlugIn
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{
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guint open : 1; /* Is the plug-in open* */
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guint destroy : 1; /* Should the plug-in by destroyed* */
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guint query : 1; /* Are we querying the plug-in? */
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guint synchronous : 1; /* Is the plug-in running synchronously? */
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guint recurse : 1; /* Have we called 'gtk_main' recursively? */
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guint busy : 1; /* Is the plug-in busy with a temp proc? */
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pid_t pid; /* Plug-ins process id */
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gchar *args[7]; /* Plug-ins command line arguments */
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GIOChannel *my_read; /* App's read and write channels */
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GIOChannel *my_write;
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GIOChannel *his_read; /* Plug-in's read and write channels */
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GIOChannel *his_write;
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#ifdef G_OS_WIN32
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guint his_thread_id; /* Plug-in's thread ID */
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gint his_read_fd; /* Plug-in's read pipe fd */
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#endif
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guint32 input_id; /* Id of input proc */
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gchar write_buffer[WRITE_BUFFER_SIZE]; /* Buffer for writing */
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gint write_buffer_index; /* Buffer index for writing */
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GSList *temp_proc_defs; /* Temporary procedures */
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GimpProgress *progress; /* Progress dialog */
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gpointer user_data; /* Handle for hanging data onto */
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};
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struct _PlugInDef
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{
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gchar *prog;
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GSList *proc_defs;
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gchar *locale_domain;
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gchar *locale_path;
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gchar *help_path;
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time_t mtime;
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gboolean query;
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};
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struct _PlugInProcDef
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{
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gchar *prog;
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gchar *menu_path;
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gchar *accelerator;
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gchar *extensions;
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gchar *prefixes;
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gchar *magics;
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gchar *image_types;
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gint image_types_val;
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ProcRecord db_info;
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GSList *extensions_list;
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GSList *prefixes_list;
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GSList *magics_list;
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time_t mtime;
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};
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/* Initialize the plug-ins */
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void plug_in_init (void);
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/* Kill all running plug-ins */
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void plug_in_kill (void);
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/* Add a plug-in to the list of valid plug-ins and query the plug-in
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* for information if necessary.
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*/
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void plug_in_add (gchar *name,
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gchar *menu_path,
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gchar *accelerator);
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/* Get the "image_types" the plug-in works on. */
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gchar * plug_in_image_types (gchar *name);
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/* Add in the file load/save handler fields procedure. */
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PlugInProcDef * plug_in_file_handler (gchar *name,
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gchar *extensions,
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gchar *prefixes,
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gchar *magics);
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/* Add a plug-in definition. */
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void plug_in_def_add (PlugInDef *plug_in_def);
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/* Allocate and free a plug-in definition. */
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PlugInDef * plug_in_def_new (const gchar *prog);
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void plug_in_def_free (PlugInDef *plug_in_def,
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gboolean free_proc_defs);
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/* Retrieve a plug-ins menu path */
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gchar * plug_in_menu_path (gchar *name);
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/* Retrieve a plug-ins help path */
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gchar * plug_in_help_path (gchar *prog_name);
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/* Create a new plug-in structure */
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PlugIn * plug_in_new (gchar *name);
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/* Destroy a plug-in structure.
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* This will close the plug-in first if necessary.
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*/
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void plug_in_destroy (PlugIn *plug_in);
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/* Open a plug-in. This cause the plug-in to run.
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* If returns TRUE, you must destroy the plugin.
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* If returns FALSE, you must not destroy the plugin.
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*/
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gboolean plug_in_open (PlugIn *plug_in);
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/* Close a plug-in. This kills the plug-in and releases its resources. */
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void plug_in_close (PlugIn *plug_in,
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gboolean kill_it);
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/* Run a plug-in as if it were a procedure database procedure */
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Argument * plug_in_run (ProcRecord *proc_rec,
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Argument *args,
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gint argc,
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gboolean synchronous,
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gboolean destroy_values,
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gint gdisp_ID);
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/* Run the last plug-in again with the same arguments. Extensions
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* are exempt from this "privelege".
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*/
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void plug_in_repeat (gboolean with_interface);
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/* Set the sensitivity for plug-in menu items based on the image type. */
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void plug_in_set_menu_sensitivity (GimpImageType type);
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/* Register an internal plug-in. This is for file load-save
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* handlers, which are organized around the plug-in data structure.
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* This could all be done a little better, but oh well. -josh
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*/
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void plug_in_add_internal (PlugInProcDef *proc_def);
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GSList * plug_in_extensions_parse (gchar *extensions);
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gint plug_in_image_types_parse (gchar *image_types);
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void plug_in_progress_init (PlugIn *plug_in,
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gchar *message,
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gint gdisp_ID);
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void plug_in_progress_update (PlugIn *plug_in,
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gdouble percentage);
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extern PlugIn *current_plug_in;
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extern GSList *proc_defs;
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#endif /* __PLUG_IN_H__ */
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