gimp/libgimp/gimplegacy.h

293 lines
10 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimplegacy.h
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#if !defined (__GIMP_H_INSIDE__) && !defined (GIMP_COMPILATION)
#error "Only <libgimp/gimp.h> can be included directly."
#endif
#ifndef __GIMP_LEGACY_H__
#define __GIMP_LEGACY_H__
G_BEGIN_DECLS
#ifndef GIMP_DISABLE_COMPAT_CRUFT
/**
* GimpInitProc:
*
* The init procedure is run at every GIMP startup.
*/
typedef void (* GimpInitProc) (void);
/**
* GimpQuitProc:
*
* The quit procedure is run each time the plug-in ends.
*/
typedef void (* GimpQuitProc) (void);
/**
* GimpQueryProc:
*
* The initialization procedure is run at GIMP startup, only the first
* time after a plug-in is installed, or if it has been updated.
*/
typedef void (* GimpQueryProc) (void);
/**
* GimpRunProc:
* @name: the name of the procedure which has been called.
* @n_params: the number of parameters passed to the procedure.
* @param: (array length=n_params): the parameters passed to @name.
* @n_return_vals: (out caller-allocates): the number of values returned by @name.
* @return_vals: (array length=n_return_vals) (out callee-allocates): the returned values.
*
* The run procedure is run during the lifetime of the GIMP session,
* each time a plug-in procedure is called.
*/
typedef void (* GimpRunProc) (const gchar *name,
gint n_params,
const GimpParam *param,
gint *n_return_vals,
GimpParam **return_vals);
/**
* GimpPlugInInfo:
* @init_proc: called when the gimp application initially starts up
* @quit_proc: called when the gimp application exits
* @query_proc: called by gimp so that the plug-in can inform the
* gimp of what it does. (ie. installing a procedure database
* procedure).
* @run_proc: called to run a procedure the plug-in installed in the
* procedure database.
**/
struct _GimpPlugInInfo
{
GimpInitProc init_proc;
GimpQuitProc quit_proc;
GimpQueryProc query_proc;
GimpRunProc run_proc;
};
/**
* GimpParamDef:
* @type: the parameter's type.
* @name: the parameter's name.
* @description: the parameter's description.
**/
struct _GimpParamDef
{
GimpPDBArgType type;
gchar *name;
gchar *description;
};
/**
* GimpParamData:
* @d_int32: a 32-bit integer.
* @d_int16: a 16-bit integer.
* @d_int8: an 8-bit unsigned integer.
* @d_float: a double.
* @d_string: a string.
* @d_color: a #GimpRGB.
* @d_int32array: an array of int32.
* @d_int16array: an array of int16.
* @d_int8array: an array of int8.
* @d_floatarray: an array of floats.
* @d_stringarray: an array of strings.
* @d_colorarray: an array of colors.
* @d_display: a display id.
* @d_image: an image id.
* @d_item: an item id.
* @d_drawable: a drawable id.
* @d_layer: a layer id.
* @d_channel: a channel id.
* @d_layer_mask: a layer mask id.
* @d_selection: a selection id.
* @d_vectors: a vectors id.
* @d_unit: a GimpUnit.
* @d_parasite: a GimpParasite.
* @d_tattoo: a tattoo.
* @d_status: a return status.
**/
union _GimpParamData
{
gint32 d_int32;
gint16 d_int16;
guint8 d_int8;
gdouble d_float;
gchar *d_string;
GimpRGB d_color;
gint32 *d_int32array;
gint16 *d_int16array;
guint8 *d_int8array;
gdouble *d_floatarray;
gchar **d_stringarray;
GimpRGB *d_colorarray;
gint32 d_display;
gint32 d_image;
gint32 d_item;
gint32 d_drawable;
gint32 d_layer;
gint32 d_channel;
gint32 d_layer_mask;
gint32 d_selection;
gint32 d_vectors;
gint32 d_unit;
GimpParasite d_parasite;
gint32 d_tattoo;
GimpPDBStatusType d_status;
};
/**
* GimpParam:
* @type: the parameter's type.
* @data: the parameter's data.
**/
struct _GimpParam
{
GimpPDBArgType type;
GimpParamData data;
};
/**
* MAIN:
*
* A macro that expands to the appropriate main() function for the
* platform being compiled for.
*
* To use this macro, simply place a line that contains just the code
* MAIN() at the toplevel of your file. No semicolon should be used.
**/
#ifdef G_OS_WIN32
/* Define WinMain() because plug-ins are built as GUI applications. Also
* define a main() in case some plug-in still is built as a console
* application.
*/
# ifdef __GNUC__
# ifndef _stdcall
# define _stdcall __attribute__((stdcall))
# endif
# endif
# define MAIN() \
struct HINSTANCE__; \
\
int _stdcall \
WinMain (struct HINSTANCE__ *hInstance, \
struct HINSTANCE__ *hPrevInstance, \
char *lpszCmdLine, \
int nCmdShow); \
\
int _stdcall \
WinMain (struct HINSTANCE__ *hInstance, \
struct HINSTANCE__ *hPrevInstance, \
char *lpszCmdLine, \
int nCmdShow) \
{ \
return gimp_main_legacy (&PLUG_IN_INFO, \
__argc, __argv); \
} \
\
int \
main (int argc, char *argv[]) \
{ \
/* Use __argc and __argv here, too, as they work \
* better with mingw-w64. \
*/ \
return gimp_main_legacy (&PLUG_IN_INFO, \
__argc, __argv); \
}
#else
# define MAIN() \
int \
main (int argc, char *argv[]) \
{ \
return gimp_main_legacy (&PLUG_IN_INFO, \
argc, argv); \
}
#endif
/* The main procedure that must be called with the PLUG_IN_INFO
* structure and the 'argc' and 'argv' that are passed to "main".
*/
gint gimp_main_legacy (const GimpPlugInInfo *info,
gint argc,
gchar *argv[]);
/* Install a procedure in the procedure database.
*/
void gimp_install_procedure (const gchar *name,
const gchar *blurb,
const gchar *help,
const gchar *authors,
const gchar *copyright,
const gchar *date,
const gchar *menu_label,
const gchar *image_types,
GimpPDBProcType type,
gint n_params,
gint n_return_vals,
const GimpParamDef *params,
const GimpParamDef *return_vals);
/* Run a procedure in the procedure database. The parameters are
* specified as a GimpValueArray, so are the return values.
*/
GimpValueArray * gimp_run_procedure_array (const gchar *name,
const GimpValueArray *arguments);
/* gimp_plugin API that should now be done by using GimpProcedure
*/
gboolean gimp_plugin_menu_register (const gchar *procedure_name,
const gchar *menu_path);
/* gimp_fileops API that should now be done by using GimpFileProcedure
*/
gboolean gimp_register_magic_load_handler (const gchar *procedure_name,
const gchar *extensions,
const gchar *prefixes,
const gchar *magics);
gboolean gimp_register_load_handler (const gchar *procedure_name,
const gchar *extensions,
const gchar *prefixes);
gboolean gimp_register_save_handler (const gchar *procedure_name,
const gchar *extensions,
const gchar *prefixes);
gboolean gimp_register_file_handler_mime (const gchar *procedure_name,
const gchar *mime_types);
gboolean gimp_register_file_handler_remote (const gchar *procedure_name);
gboolean gimp_register_thumbnail_loader (const gchar *load_proc,
const gchar *thumb_proc);
#endif /* GIMP_DISABLE_COMPAT_CRUFT */
G_END_DECLS
#endif /* __GIMP_LEGACY_H__ */