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

422 lines
13 KiB
C

/* GIMP - The GNU 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 <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpbase/gimpprotocol.h"
#include "libgimpcolor/gimpcolor.h"
#include "plug-in-types.h"
#include "core/gimpparamspecs.h"
#include "pdb/gimp-pdb-compat.h"
#include "plug-in-params.h"
GValueArray *
plug_in_params_to_args (GParamSpec **pspecs,
gint n_pspecs,
GPParam *params,
gint n_params,
gboolean return_values,
gboolean full_copy)
{
GValueArray *args;
gint i;
g_return_val_if_fail ((pspecs != NULL && n_pspecs > 0) ||
(pspecs == NULL && n_pspecs == 0), NULL);
g_return_val_if_fail ((params != NULL && n_params > 0) ||
(params == NULL && n_params == 0), NULL);
args = g_value_array_new (n_params);
for (i = 0; i < n_params; i++)
{
GValue value = { 0, };
GType type;
gint count;
/* first get the fallback compat GType that matches the pdb type */
type = gimp_pdb_compat_arg_type_to_gtype (params[i].type);
/* then try to try to be more specific by looking at the param
* spec (return values have one additional value (the status),
* skip that, it's not in the array of param specs)
*/
if (i > 0 || ! return_values)
{
gint pspec_index = i;
if (return_values)
pspec_index--;
/* are there param specs left? */
if (pspec_index < n_pspecs)
{
GimpPDBArgType pspec_arg_type;
pspec_arg_type = gimp_pdb_compat_arg_type_from_gtype
(G_PARAM_SPEC_VALUE_TYPE (pspecs[pspec_index]));
/* if the param spec's GType, mapped to a pdb type, matches
* the passed pdb type, use the param spec's GType
*/
if (pspec_arg_type == params[i].type)
{
type = G_PARAM_SPEC_VALUE_TYPE (pspecs[pspec_index]);
}
}
}
g_value_init (&value, type);
switch (gimp_pdb_compat_arg_type_from_gtype (type))
{
case GIMP_PDB_INT32:
if (G_VALUE_HOLDS_INT (&value))
g_value_set_int (&value, params[i].data.d_int32);
else if (G_VALUE_HOLDS_UINT (&value))
g_value_set_uint (&value, params[i].data.d_int32);
else if (G_VALUE_HOLDS_ENUM (&value))
g_value_set_enum (&value, params[i].data.d_int32);
else if (G_VALUE_HOLDS_BOOLEAN (&value))
g_value_set_boolean (&value, params[i].data.d_int32 ? TRUE : FALSE);
else
{
g_printerr ("%s: unhandled GIMP_PDB_INT32 type: %s\n",
G_STRFUNC, g_type_name (G_VALUE_TYPE (&value)));
g_return_val_if_reached (args);
}
break;
case GIMP_PDB_INT16:
g_value_set_int (&value, params[i].data.d_int16);
break;
case GIMP_PDB_INT8:
g_value_set_uint (&value, params[i].data.d_int8);
break;
case GIMP_PDB_FLOAT:
g_value_set_double (&value, params[i].data.d_float);
break;
case GIMP_PDB_STRING:
if (full_copy)
g_value_set_string (&value, params[i].data.d_string);
else
g_value_set_static_string (&value, params[i].data.d_string);
break;
case GIMP_PDB_INT32ARRAY:
count = g_value_get_int (&args->values[i - 1]);
if (full_copy)
gimp_value_set_int32array (&value,
params[i].data.d_int32array,
count);
else
gimp_value_set_static_int32array (&value,
params[i].data.d_int32array,
count);
break;
case GIMP_PDB_INT16ARRAY:
count = g_value_get_int (&args->values[i - 1]);
if (full_copy)
gimp_value_set_int16array (&value,
params[i].data.d_int16array,
count);
else
gimp_value_set_static_int16array (&value,
params[i].data.d_int16array,
count);
break;
case GIMP_PDB_INT8ARRAY:
count = g_value_get_int (&args->values[i - 1]);
if (full_copy)
gimp_value_set_int8array (&value,
params[i].data.d_int8array,
count);
else
gimp_value_set_static_int8array (&value,
params[i].data.d_int8array,
count);
break;
case GIMP_PDB_FLOATARRAY:
count = g_value_get_int (&args->values[i - 1]);
if (full_copy)
gimp_value_set_floatarray (&value,
params[i].data.d_floatarray,
count);
else
gimp_value_set_static_floatarray (&value,
params[i].data.d_floatarray,
count);
break;
case GIMP_PDB_STRINGARRAY:
count = g_value_get_int (&args->values[i - 1]);
if (full_copy)
gimp_value_set_stringarray (&value,
(const gchar **) params[i].data.d_stringarray,
count);
else
gimp_value_set_static_stringarray (&value,
(const gchar **) params[i].data.d_stringarray,
count);
break;
case GIMP_PDB_COLOR:
gimp_value_set_rgb (&value, &params[i].data.d_color);
break;
case GIMP_PDB_REGION:
g_message ("the \"region\" argument type is not supported");
break;
case GIMP_PDB_DISPLAY:
g_value_set_int (&value, params[i].data.d_display);
break;
case GIMP_PDB_IMAGE:
g_value_set_int (&value, params[i].data.d_image);
break;
case GIMP_PDB_LAYER:
g_value_set_int (&value, params[i].data.d_layer);
break;
case GIMP_PDB_CHANNEL:
g_value_set_int (&value, params[i].data.d_channel);
break;
case GIMP_PDB_DRAWABLE:
g_value_set_int (&value, params[i].data.d_drawable);
break;
case GIMP_PDB_SELECTION:
g_value_set_int (&value, params[i].data.d_selection);
break;
case GIMP_PDB_BOUNDARY:
g_message ("the \"boundary\" arg type is not currently supported");
break;
case GIMP_PDB_VECTORS:
g_value_set_int (&value, params[i].data.d_vectors);
break;
case GIMP_PDB_PARASITE:
if (full_copy)
g_value_set_boxed (&value, &params[i].data.d_parasite);
else
g_value_set_static_boxed (&value, &params[i].data.d_parasite);
break;
case GIMP_PDB_STATUS:
g_value_set_enum (&value, params[i].data.d_status);
break;
case GIMP_PDB_END:
break;
}
g_value_array_append (args, &value);
g_value_unset (&value);
}
return args;
}
GPParam *
plug_in_args_to_params (GValueArray *args,
gboolean full_copy)
{
GPParam *params;
gint i;
g_return_val_if_fail (args != NULL, NULL);
params = g_new0 (GPParam, args->n_values);
for (i = 0; i < args->n_values; i++)
{
GValue *value = &args->values[i];
params[i].type =
gimp_pdb_compat_arg_type_from_gtype (G_VALUE_TYPE (value));
switch (params[i].type)
{
case GIMP_PDB_INT32:
if (G_VALUE_HOLDS_INT (value))
params[i].data.d_int32 = g_value_get_int (value);
else if (G_VALUE_HOLDS_UINT (value))
params[i].data.d_int32 = g_value_get_uint (value);
else if (G_VALUE_HOLDS_ENUM (value))
params[i].data.d_int32 = g_value_get_enum (value);
else if (G_VALUE_HOLDS_BOOLEAN (value))
params[i].data.d_int32 = g_value_get_boolean (value);
else
{
g_printerr ("%s: unhandled GIMP_PDB_INT32 type: %s\n",
G_STRFUNC, g_type_name (G_VALUE_TYPE (value)));
g_return_val_if_reached (params);
}
break;
case GIMP_PDB_INT16:
params[i].data.d_int16 = g_value_get_int (value);
break;
case GIMP_PDB_INT8:
params[i].data.d_int8 = g_value_get_uint (value);
break;
case GIMP_PDB_FLOAT:
params[i].data.d_float = g_value_get_double (value);
break;
case GIMP_PDB_STRING:
if (full_copy)
params[i].data.d_string = g_value_dup_string (value);
else
params[i].data.d_string = (gchar *) g_value_get_string (value);
break;
case GIMP_PDB_INT32ARRAY:
if (full_copy)
params[i].data.d_int32array = gimp_value_dup_int32array (value);
else
params[i].data.d_int32array = (gint32 *) gimp_value_get_int32array (value);
break;
case GIMP_PDB_INT16ARRAY:
if (full_copy)
params[i].data.d_int16array = gimp_value_dup_int16array (value);
else
params[i].data.d_int16array = (gint16 *) gimp_value_get_int16array (value);
break;
case GIMP_PDB_INT8ARRAY:
if (full_copy)
params[i].data.d_int8array = gimp_value_dup_int8array (value);
else
params[i].data.d_int8array = (guint8 *) gimp_value_get_int8array (value);
break;
case GIMP_PDB_FLOATARRAY:
if (full_copy)
params[i].data.d_floatarray = gimp_value_dup_floatarray (value);
else
params[i].data.d_floatarray = (gdouble *) gimp_value_get_floatarray (value);
break;
case GIMP_PDB_STRINGARRAY:
if (full_copy)
params[i].data.d_stringarray = gimp_value_dup_stringarray (value);
else
params[i].data.d_stringarray = (gchar **) gimp_value_get_stringarray (value);
break;
case GIMP_PDB_COLOR:
gimp_value_get_rgb (value, &params[i].data.d_color);
break;
case GIMP_PDB_REGION:
g_message ("the \"region\" argument type is not supported");
break;
case GIMP_PDB_DISPLAY:
params[i].data.d_display = g_value_get_int (value);
break;
case GIMP_PDB_IMAGE:
params[i].data.d_image = g_value_get_int (value);
break;
case GIMP_PDB_LAYER:
params[i].data.d_layer = g_value_get_int (value);
break;
case GIMP_PDB_CHANNEL:
params[i].data.d_channel = g_value_get_int (value);
break;
case GIMP_PDB_DRAWABLE:
params[i].data.d_drawable = g_value_get_int (value);
break;
case GIMP_PDB_SELECTION:
params[i].data.d_selection = g_value_get_int (value);
break;
case GIMP_PDB_BOUNDARY:
g_message ("the \"boundary\" arg type is not currently supported");
break;
case GIMP_PDB_VECTORS:
params[i].data.d_vectors = g_value_get_int (value);
break;
case GIMP_PDB_PARASITE:
{
GimpParasite *parasite = (full_copy ?
g_value_dup_boxed (value) :
g_value_get_boxed (value));
if (parasite)
{
params[i].data.d_parasite.name = parasite->name;
params[i].data.d_parasite.flags = parasite->flags;
params[i].data.d_parasite.size = parasite->size;
params[i].data.d_parasite.data = parasite->data;
if (full_copy)
g_free (parasite);
}
else
{
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;
}
}
break;
case GIMP_PDB_STATUS:
params[i].data.d_status = g_value_get_enum (value);
break;
case GIMP_PDB_END:
break;
}
}
return params;
}