mirror of https://github.com/GNOME/gimp.git
168 lines
4.9 KiB
C
168 lines
4.9 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., 675 Mass Ave, Cambridge, MA 02139, 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 "gtk/gtk.h"
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#include "procedural_db.h"
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#define WRITE_BUFFER_SIZE 512
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#define RGB_IMAGE 0x01
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#define GRAY_IMAGE 0x02
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#define INDEXED_IMAGE 0x04
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#define RGBA_IMAGE 0x08
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#define GRAYA_IMAGE 0x10
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#define INDEXEDA_IMAGE 0x20
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typedef struct _PlugIn PlugIn;
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typedef struct _PlugInDef PlugInDef;
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typedef struct _PlugInProcDef PlugInProcDef;
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struct _PlugIn
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{
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unsigned int open : 1; /* Is the plug-in open */
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unsigned int destroy : 1; /* Should the plug-in by destroyed */
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unsigned int query : 1; /* Are we querying the plug-in? */
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unsigned int synchronous : 1; /* Is the plug-in running synchronously or not */
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unsigned int recurse : 1; /* Have we called 'gtk_main' recursively? */
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unsigned int 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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char *args[7]; /* Plug-ins command line arguments */
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int my_read, my_write; /* Apps read and write file descriptors */
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int his_read, his_write; /* Plug-ins read and write file descriptors */
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guint32 input_id; /* Id of input proc */
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char write_buffer[WRITE_BUFFER_SIZE]; /* Buffer for writing */
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int write_buffer_index; /* Buffer index for writing */
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GSList *temp_proc_defs; /* Temporary procedures */
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GtkWidget *progress; /* Progress dialog */
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GtkWidget *progress_label;
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GtkWidget *progress_bar;
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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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char *prog;
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GSList *proc_defs;
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time_t mtime;
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int query;
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};
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struct _PlugInProcDef
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{
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char *prog;
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char *menu_path;
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char *accelerator;
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char *extensions;
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char *prefixes;
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char *magics;
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char *image_types;
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int 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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};
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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
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* and query the plug-in for information if
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* necessary.
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*/
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void plug_in_add (char *name,
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char *menu_path,
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char *accelerator);
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/* Get the "image_types" the plug-in works on.
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*/
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char* plug_in_image_types (char *name);
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/* Add in the file load/save handler fields procedure.
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*/
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PlugInProcDef* plug_in_file_handler (char *name,
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char *extensions,
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char *prefixes,
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char *magics);
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/* Add a plug-in definition.
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*/
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void plug_in_def_add (PlugInDef *plug_in_def);
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/* Retrieve a plug-ins menu path
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*/
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char* plug_in_menu_path (char *name);
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/* Create a new plug-in structure */
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PlugIn* plug_in_new (char *name);
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/* Destroy a plug-in structure. This will close the plug-in
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* 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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int plug_in_open (PlugIn *plug_in);
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/* Close a plug-in. This kills the plug-in and releases
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* its resources.
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*/
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void plug_in_close (PlugIn *plug_in,
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int 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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int synchronous,
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int destroy_values);
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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 (int with_interface);
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/* Set the sensitivity for plug-in menu items based on the image
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* base type.
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*/
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void plug_in_set_menu_sensitivity (int base_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 (char *extensions);
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int plug_in_image_types_parse (char *image_types);
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#endif /* __PLUG_IN_H__ */
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