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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 __PROCEDURAL_DB_H__
- #define __PROCEDURAL_DB_H__
-
- #include <glib.h>
-
- #include "apptypes.h"
-
- /* Procedural database types */
- typedef enum
- {
- PDB_INT32,
- PDB_INT16,
- PDB_INT8,
- PDB_FLOAT,
- PDB_STRING,
- PDB_INT32ARRAY,
- PDB_INT16ARRAY,
- PDB_INT8ARRAY,
- PDB_FLOATARRAY,
- PDB_STRINGARRAY,
- PDB_COLOR,
- PDB_REGION,
- PDB_DISPLAY,
- PDB_IMAGE,
- PDB_LAYER,
- PDB_CHANNEL,
- PDB_DRAWABLE,
- PDB_SELECTION,
- PDB_BOUNDARY,
- PDB_PATH,
- PDB_PARASITE,
- PDB_STATUS,
- PDB_END
- } PDBArgType;
-
- /* Error types */
- typedef enum
- {
- PDB_EXECUTION_ERROR,
- PDB_CALLING_ERROR,
- PDB_PASS_THROUGH,
- PDB_SUCCESS,
- PDB_CANCEL
- } PDBStatusType;
-
-
- /* Procedure types */
- typedef enum /*< chop=PDB_ >*/
- {
- PDB_INTERNAL,
- PDB_PLUGIN,
- PDB_EXTENSION,
- PDB_TEMPORARY
- } PDBProcType;
-
-
- /* Argument type */
- typedef struct _Argument Argument;
-
- struct _Argument
- {
- PDBArgType arg_type; /* argument type */
-
- union _ArgValue
- {
- gint32 pdb_int; /* Integer type */
- gdouble pdb_float; /* Floating point type */
- gpointer pdb_pointer; /* Pointer type */
- } value;
- };
-
-
- /* Argument marshalling procedures */
- typedef Argument * (* ArgMarshal) (Argument *);
-
-
- /* Execution types */
- typedef struct _IntExec IntExec;
- typedef struct _PlugInExec PlugInExec;
- typedef struct _ExtExec ExtExec;
- typedef struct _TempExec TempExec;
- typedef struct _NetExec NetExec;
-
- struct _IntExec
- {
- ArgMarshal marshal_func; /* Function called to marshal arguments */
- };
-
- struct _PlugInExec
- {
- gchar *filename; /* Where is the executable on disk? */
- };
-
- struct _ExtExec
- {
- gchar *filename; /* Where is the executable on disk? */
- };
-
- struct _TempExec
- {
- void *plug_in; /* Plug-in that registered this temp proc */
- };
-
- struct _NetExec
- {
- gchar *host; /* Host responsible for procedure execution */
- gint32 port; /* Port on host to send data to */
- };
-
-
- /* Structure for a procedure argument */
- typedef struct _ProcArg ProcArg;
-
- struct _ProcArg
- {
- PDBArgType arg_type; /* Argument type (int, char, char *, etc) */
- gchar *name; /* Argument name */
- gchar *description; /* Argument description */
- };
-
-
- /* Structure for a procedure */
-
- typedef struct _ProcRecord ProcRecord;
-
- struct _ProcRecord
- {
- /* Procedure information */
- gchar *name; /* Procedure name */
- gchar *blurb; /* Short procedure description */
- gchar *help; /* Detailed help instructions */
- gchar *author; /* Author field */
- gchar *copyright; /* Copyright field */
- gchar *date; /* Date field */
-
- /* Procedure type */
- PDBProcType proc_type; /* Type of procedure--Internal, Plug-In, Extension */
-
- /* Input arguments */
- gint32 num_args; /* Number of procedure arguments */
- ProcArg *args; /* Array of procedure arguments */
-
- /* Output values */
- gint32 num_values; /* Number of return values */
- ProcArg *values; /* Array of return values */
-
- /* Method of procedure execution */
- union _ExecMethod
- {
- IntExec internal; /* Execution information for internal procs */
- PlugInExec plug_in; /* ..................... for plug-ins */
- ExtExec extension; /* ..................... for extensions */
- TempExec temporary; /* ..................... for temp procs */
- } exec_method;
- };
-
- /* Variables */
- extern GHashTable *procedural_ht;
-
- /* Functions */
- void procedural_db_init (void);
- void procedural_db_free (void);
- void procedural_db_register (ProcRecord *procedure);
- void procedural_db_unregister (gchar *name);
- ProcRecord * procedural_db_lookup (gchar *name);
- Argument * procedural_db_execute (gchar *name,
- Argument *args);
- Argument * procedural_db_run_proc (gchar *name,
- gint *nreturn_vals,
- ...);
- Argument * procedural_db_return_args (ProcRecord *procedure,
- gboolean success);
- void procedural_db_destroy_args (Argument *args,
- gint nargs);
- void pdb_add_image (GimpImage *gimage);
- gint pdb_image_to_id (GimpImage *gimage);
- GimpImage * pdb_id_to_image (gint id);
- void pdb_remove_image (GimpImage *image);
-
- /* "type" should really be a PDBArgType, but we can cope with
- * out-of-range values.
- */
- const gchar * pdb_type_name (gint type); /* really exists in _cmds.c file */
-
- #endif /* __PROCEDURAL_DB_H__ */
-