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gimp/app/plug-in/plug-in-params.c

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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.
*/
#include "config.h"
#include <string.h>
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpbase/gimpprotocol.h"
#include "plug-in-types.h"
#include "pdb/procedural_db.h"
#include "plug-in.h"
#include "plug-in-params.h"
Argument *
plug_in_params_to_args (GPParam *params,
gint nparams,
gboolean full_copy)
{
Argument *args;
gchar **stringarray;
gint count;
gint i, j;
if (! (params && nparams))
return NULL;
args = g_new0 (Argument, nparams);
for (i = 0; i < nparams; i++)
{
args[i].arg_type = params[i].type;
switch (args[i].arg_type)
{
case GIMP_PDB_INT32:
args[i].value.pdb_int = params[i].data.d_int32;
break;
case GIMP_PDB_INT16:
args[i].value.pdb_int = params[i].data.d_int16;
break;
case GIMP_PDB_INT8:
args[i].value.pdb_int = params[i].data.d_int8;
break;
case GIMP_PDB_FLOAT:
args[i].value.pdb_float = params[i].data.d_float;
break;
case GIMP_PDB_STRING:
if (full_copy)
args[i].value.pdb_pointer = g_strdup (params[i].data.d_string);
else
args[i].value.pdb_pointer = params[i].data.d_string;
break;
case GIMP_PDB_INT32ARRAY:
if (full_copy)
{
count = args[i-1].value.pdb_int;
args[i].value.pdb_pointer = g_new (gint32, count);
memcpy (args[i].value.pdb_pointer,
params[i].data.d_int32array, count * 4);
}
else
{
args[i].value.pdb_pointer = params[i].data.d_int32array;
}
break;
case GIMP_PDB_INT16ARRAY:
if (full_copy)
{
count = args[i-1].value.pdb_int;
args[i].value.pdb_pointer = g_new (gint16, count);
memcpy (args[i].value.pdb_pointer,
params[i].data.d_int16array, count * 2);
}
else
{
args[i].value.pdb_pointer = params[i].data.d_int16array;
}
break;
case GIMP_PDB_INT8ARRAY:
if (full_copy)
{
count = args[i-1].value.pdb_int;
args[i].value.pdb_pointer = g_new (gint8, count);
memcpy (args[i].value.pdb_pointer,
params[i].data.d_int8array, count);
}
else
{
args[i].value.pdb_pointer = params[i].data.d_int8array;
}
break;
case GIMP_PDB_FLOATARRAY:
if (full_copy)
{
count = args[i-1].value.pdb_int;
args[i].value.pdb_pointer = g_new (gdouble, count);
memcpy (args[i].value.pdb_pointer,
params[i].data.d_floatarray, count * 8);
}
else
{
args[i].value.pdb_pointer = params[i].data.d_floatarray;
}
break;
case GIMP_PDB_STRINGARRAY:
if (full_copy)
{
args[i].value.pdb_pointer = g_new (gchar *,
args[i-1].value.pdb_int);
stringarray = args[i].value.pdb_pointer;
for (j = 0; j < args[i-1].value.pdb_int; j++)
stringarray[j] = g_strdup (params[i].data.d_stringarray[j]);
}
else
{
args[i].value.pdb_pointer = params[i].data.d_stringarray;
}
break;
case GIMP_PDB_COLOR:
args[i].value.pdb_color = params[i].data.d_color;
break;
case GIMP_PDB_REGION:
g_message ("the \"region\" arg type is not currently supported");
break;
case GIMP_PDB_DISPLAY:
args[i].value.pdb_int = params[i].data.d_display;
break;
case GIMP_PDB_IMAGE:
args[i].value.pdb_int = params[i].data.d_image;
break;
case GIMP_PDB_LAYER:
args[i].value.pdb_int = params[i].data.d_layer;
break;
case GIMP_PDB_CHANNEL:
args[i].value.pdb_int = params[i].data.d_channel;
break;
case GIMP_PDB_DRAWABLE:
args[i].value.pdb_int = params[i].data.d_drawable;
break;
case GIMP_PDB_SELECTION:
args[i].value.pdb_int = params[i].data.d_selection;
break;
case GIMP_PDB_BOUNDARY:
args[i].value.pdb_int = params[i].data.d_boundary;
break;
case GIMP_PDB_PATH:
args[i].value.pdb_int = params[i].data.d_path;
break;
case GIMP_PDB_PARASITE:
if (full_copy)
args[i].value.pdb_pointer =
gimp_parasite_copy ((GimpParasite *) &(params[i].data.d_parasite));
else
args[i].value.pdb_pointer = (gpointer) &(params[i].data.d_parasite);
break;
case GIMP_PDB_STATUS:
args[i].value.pdb_int = params[i].data.d_status;
break;
case GIMP_PDB_END:
break;
}
}
return args;
}
GPParam *
plug_in_args_to_params (Argument *args,
gint nargs,
gboolean full_copy)
{
GPParam *params;
gchar **stringarray;
gint i, j;
if (! (args && nargs))
return NULL;
params = g_new0 (GPParam, nargs);
for (i = 0; i < nargs; i++)
{
params[i].type = args[i].arg_type;
switch (args[i].arg_type)
{
case GIMP_PDB_INT32:
params[i].data.d_int32 = args[i].value.pdb_int;
break;
case GIMP_PDB_INT16:
params[i].data.d_int16 = args[i].value.pdb_int;
break;
case GIMP_PDB_INT8:
params[i].data.d_int8 = args[i].value.pdb_int;
break;
case GIMP_PDB_FLOAT:
params[i].data.d_float = args[i].value.pdb_float;
break;
case GIMP_PDB_STRING:
if (full_copy)
params[i].data.d_string = g_strdup (args[i].value.pdb_pointer);
else
params[i].data.d_string = args[i].value.pdb_pointer;
break;
case GIMP_PDB_INT32ARRAY:
if (full_copy)
{
params[i].data.d_int32array = g_new (gint32, params[i-1].data.d_int32);
memcpy (params[i].data.d_int32array,
args[i].value.pdb_pointer,
params[i-1].data.d_int32 * 4);
}
else
{
params[i].data.d_int32array = args[i].value.pdb_pointer;
}
break;
case GIMP_PDB_INT16ARRAY:
if (full_copy)
{
params[i].data.d_int16array = g_new (gint16, params[i-1].data.d_int32);
memcpy (params[i].data.d_int16array,
args[i].value.pdb_pointer,
params[i-1].data.d_int32 * 2);
}
else
{
params[i].data.d_int16array = args[i].value.pdb_pointer;
}
break;
case GIMP_PDB_INT8ARRAY:
if (full_copy)
{
params[i].data.d_int8array = g_new (gint8, params[i-1].data.d_int32);
memcpy (params[i].data.d_int8array,
args[i].value.pdb_pointer,
params[i-1].data.d_int32);
}
else
{
params[i].data.d_int8array = args[i].value.pdb_pointer;
}
break;
case GIMP_PDB_FLOATARRAY:
if (full_copy)
{
params[i].data.d_floatarray = g_new (gdouble, params[i-1].data.d_int32);
memcpy (params[i].data.d_floatarray,
args[i].value.pdb_pointer,
params[i-1].data.d_int32 * 8);
}
else
{
params[i].data.d_floatarray = args[i].value.pdb_pointer;
}
break;
case GIMP_PDB_STRINGARRAY:
if (full_copy)
{
params[i].data.d_stringarray = g_new (gchar*, params[i-1].data.d_int32);
stringarray = args[i].value.pdb_pointer;
for (j = 0; j < params[i-1].data.d_int32; j++)
params[i].data.d_stringarray[j] = g_strdup (stringarray[j]);
}
else
{
params[i].data.d_stringarray = args[i].value.pdb_pointer;
}
break;
case GIMP_PDB_COLOR:
params[i].data.d_color = args[i].value.pdb_color;
break;
case GIMP_PDB_REGION:
g_message ("the \"region\" arg type is not currently supported");
break;
case GIMP_PDB_DISPLAY:
params[i].data.d_display = args[i].value.pdb_int;
break;
case GIMP_PDB_IMAGE:
params[i].data.d_image = args[i].value.pdb_int;
break;
case GIMP_PDB_LAYER:
params[i].data.d_layer = args[i].value.pdb_int;
break;
case GIMP_PDB_CHANNEL:
params[i].data.d_channel = args[i].value.pdb_int;
break;
case GIMP_PDB_DRAWABLE:
params[i].data.d_drawable = args[i].value.pdb_int;
break;
case GIMP_PDB_SELECTION:
params[i].data.d_selection = args[i].value.pdb_int;
break;
case GIMP_PDB_BOUNDARY:
params[i].data.d_boundary = args[i].value.pdb_int;
break;
case GIMP_PDB_PATH:
params[i].data.d_path = args[i].value.pdb_int;
break;
case GIMP_PDB_PARASITE:
if (full_copy)
{
GimpParasite *tmp;
tmp = gimp_parasite_copy (args[i].value.pdb_pointer);
if (tmp == NULL)
{
params[i].data.d_parasite.name = NULL;
params[i].data.d_parasite.flags = 0;
params[i].data.d_parasite.size = 0;
params[i].data.d_parasite.data = NULL;
}
else
{
memcpy (&params[i].data.d_parasite, tmp,
sizeof (GimpParasite));
g_free (tmp);
}
}
else
{
if (args[i].value.pdb_pointer == NULL)
{
params[i].data.d_parasite.name = NULL;
params[i].data.d_parasite.flags = 0;
params[i].data.d_parasite.size = 0;
params[i].data.d_parasite.data = NULL;
}
else
memcpy (&params[i].data.d_parasite,
(GimpParasite *) (args[i].value.pdb_pointer),
sizeof (GimpParasite));
}
break;
case GIMP_PDB_STATUS:
params[i].data.d_status = args[i].value.pdb_int;
break;
case GIMP_PDB_END:
break;
}
}
return params;
}
void
plug_in_params_destroy (GPParam *params,
gint nparams,
gboolean full_destroy)
{
gint i, j;
if (full_destroy)
{
for (i = 0; i < nparams; i++)
{
switch (params[i].type)
{
case GIMP_PDB_INT32:
case GIMP_PDB_INT16:
case GIMP_PDB_INT8:
case GIMP_PDB_FLOAT:
break;
case GIMP_PDB_STRING:
g_free (params[i].data.d_string);
break;
case GIMP_PDB_INT32ARRAY:
g_free (params[i].data.d_int32array);
break;
case GIMP_PDB_INT16ARRAY:
g_free (params[i].data.d_int16array);
break;
case GIMP_PDB_INT8ARRAY:
g_free (params[i].data.d_int8array);
break;
case GIMP_PDB_FLOATARRAY:
g_free (params[i].data.d_floatarray);
break;
case GIMP_PDB_STRINGARRAY:
for (j = 0; j < params[i-1].data.d_int32; j++)
g_free (params[i].data.d_stringarray[j]);
g_free (params[i].data.d_stringarray);
break;
case GIMP_PDB_COLOR:
break;
case GIMP_PDB_REGION:
g_message ("the \"region\" arg type is not currently supported");
break;
case GIMP_PDB_DISPLAY:
case GIMP_PDB_IMAGE:
case GIMP_PDB_LAYER:
case GIMP_PDB_CHANNEL:
case GIMP_PDB_DRAWABLE:
case GIMP_PDB_SELECTION:
case GIMP_PDB_BOUNDARY:
case GIMP_PDB_PATH:
break;
case GIMP_PDB_PARASITE:
if (params[i].data.d_parasite.data)
{
g_free (params[i].data.d_parasite.name);
g_free (params[i].data.d_parasite.data);
params[i].data.d_parasite.name = NULL;
params[i].data.d_parasite.data = NULL;
}
break;
case GIMP_PDB_STATUS:
break;
case GIMP_PDB_END:
break;
}
}
}
g_free (params);
}
void
plug_in_args_destroy (Argument *args,
gint nargs,
gboolean full_destroy)
{
if (full_destroy)
procedural_db_destroy_args (args, nargs);
else
g_free (args);
}
gboolean
plug_in_param_defs_check (const gchar *plug_in_name,
const gchar *plug_in_prog,
const gchar *procedure_name,
const gchar *menu_path,
GPParamDef *params,
guint32 n_args,
GPParamDef *return_vals,
guint32 n_return_vals,
GError **error)
{
return plug_in_proc_args_check (plug_in_name,
plug_in_prog,
procedure_name,
menu_path,
(ProcArg *) params,
n_args,
(ProcArg *) return_vals,
n_return_vals,
error);
}
gboolean
plug_in_proc_args_check (const gchar *plug_in_name,
const gchar *plug_in_prog,
const gchar *procedure_name,
const gchar *menu_path,
ProcArg *args,
guint32 n_args,
ProcArg *return_vals,
guint32 n_return_vals,
GError **error)
{
gchar *p;
g_return_val_if_fail (plug_in_name != NULL, FALSE);
g_return_val_if_fail (plug_in_prog != NULL, FALSE);
g_return_val_if_fail (procedure_name != NULL, FALSE);
g_return_val_if_fail (menu_path != NULL, FALSE);
g_return_val_if_fail (args == NULL || n_args > 0, FALSE);
g_return_val_if_fail (return_vals == NULL || n_return_vals > 0, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (strncmp (menu_path, "<Toolbox>", 9) == 0)
{
if ((n_args < 1) ||
(args[0].arg_type != GIMP_PDB_INT32))
{
g_set_error (error, 0, 0,
"Plug-In \"%s\"\n(%s)\n\n"
"attempted to install <Toolbox> procedure \"%s\" "
"which does not take the standard <Toolbox> Plug-In "
"args.\n"
"(INT32)",
gimp_filename_to_utf8 (plug_in_name),
gimp_filename_to_utf8 (plug_in_prog),
procedure_name);
return FALSE;
}
}
else if (strncmp (menu_path, "<Image>", 7) == 0)
{
if ((n_args < 3) ||
(args[0].arg_type != GIMP_PDB_INT32) ||
(args[1].arg_type != GIMP_PDB_IMAGE) ||
(args[2].arg_type != GIMP_PDB_DRAWABLE))
{
g_set_error (error, 0, 0,
"Plug-In \"%s\"\n(%s)\n\n"
"attempted to install <Image> procedure \"%s\" "
"which does not take the standard <Image> Plug-In "
"args.\n"
"(INT32, IMAGE, DRAWABLE)",
gimp_filename_to_utf8 (plug_in_name),
gimp_filename_to_utf8 (plug_in_prog),
procedure_name);
return FALSE;
}
}
else if (strncmp (menu_path, "<Load>", 6) == 0)
{
if ((n_args < 3) ||
(args[0].arg_type != GIMP_PDB_INT32) ||
(args[1].arg_type != GIMP_PDB_STRING) ||
(args[2].arg_type != GIMP_PDB_STRING))
{
g_set_error (error, 0, 0,
"Plug-In \"%s\"\n(%s)\n\n"
"attempted to install <Load> procedure \"%s\" "
"which does not take the standard <Load> Plug-In "
"args.\n"
"(INT32, STRING, STRING)",
gimp_filename_to_utf8 (plug_in_name),
gimp_filename_to_utf8 (plug_in_prog),
procedure_name);
return FALSE;
}
}
else if (strncmp (menu_path, "<Save>", 6) == 0)
{
if ((n_args < 5) ||
(args[0].arg_type != GIMP_PDB_INT32) ||
(args[1].arg_type != GIMP_PDB_IMAGE) ||
(args[2].arg_type != GIMP_PDB_DRAWABLE) ||
(args[3].arg_type != GIMP_PDB_STRING) ||
(args[4].arg_type != GIMP_PDB_STRING))
{
g_set_error (error, 0, 0,
"Plug-In \"%s\"\n(%s)\n\n"
"attempted to install <Save> procedure \"%s\" "
"which does not take the standard <Save> Plug-In "
"args.\n"
"(INT32, IMAGE, DRAWABLE, STRING, STRING)",
gimp_filename_to_utf8 (plug_in_name),
gimp_filename_to_utf8 (plug_in_prog),
procedure_name);
return FALSE;
}
}
else
{
g_set_error (error, 0, 0,
"Plug-In \"%s\"\n(%s)\n"
"attempted to install procedure \"%s\" "
"in the invalid menu location \"%s\".\n"
"Use either \"<Toolbox>\", \"<Image>\", "
"\"<Load>\", or \"<Save>\".",
gimp_filename_to_utf8 (plug_in_name),
gimp_filename_to_utf8 (plug_in_prog),
procedure_name,
menu_path);
return FALSE;
}
p = strchr (menu_path, '>') + 1;
if (*p != '/' && *p != '\0')
{
g_set_error (error, 0, 0,
"Plug-In \"%s\"\n(%s)\n"
"attempted to install procedure \"%s\"\n"
"in the invalid menu location \"%s\".\n"
"The menu path must look like either \"<Prefix>\" "
"or \"<Prefix>/path/to/item\".",
gimp_filename_to_utf8 (plug_in_name),
gimp_filename_to_utf8 (plug_in_prog),
procedure_name,
menu_path);
return FALSE;
}
return TRUE;
}
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