dnrops
/
gimp
mirror of https://github.com/GNOME/gimp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
gimp/app/core/gimp-utils.c

305 lines
7.3 KiB
C
Raw Blame History

/* 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 <stdlib.h>
#include <string.h>
#include <locale.h>
#include <glib-object.h>
#include <gobject/gvaluecollector.h>
#include "core-types.h"
#include "config/gimpconfig-types.h"
#include "gimp-utils.h"
gboolean
gimp_rectangle_intersect (gint x1,
gint y1,
gint width1,
gint height1,
gint x2,
gint y2,
gint width2,
gint height2,
gint *dest_x,
gint *dest_y,
gint *dest_width,
gint *dest_height)
{
gint d_x, d_y;
gint d_w, d_h;
d_x = MAX (x1, x2);
d_y = MAX (y1, y2);
d_w = MIN (x1 + width1, x2 + width2) - d_x;
d_h = MIN (y1 + height1, y2 + height2) - d_y;
if (dest_x) *dest_x = d_x;
if (dest_y) *dest_y = d_y;
if (dest_width) *dest_width = d_w;
if (dest_height) *dest_height = d_h;
return (d_w > 0 && d_h > 0);
}
gint64
gimp_g_object_get_memsize (GObject *object)
{
GTypeQuery type_query;
gint64 memsize = 0;
g_return_val_if_fail (G_IS_OBJECT (object), 0);
g_type_query (G_TYPE_FROM_INSTANCE (object), &type_query);
memsize += type_query.instance_size;
return memsize;
}
gint64
gimp_g_hash_table_get_memsize (GHashTable *hash)
{
g_return_val_if_fail (hash != NULL, 0);
return (2 * sizeof (gint) +
5 * sizeof (gpointer) +
g_hash_table_size (hash) * 3 * sizeof (gpointer));
}
gint64
gimp_g_slist_get_memsize (GSList *slist,
gint64 data_size)
{
return g_slist_length (slist) * (data_size + sizeof (GSList));
}
gint64
gimp_g_list_get_memsize (GList *list,
gint64 data_size)
{
return g_list_length (list) * (data_size + sizeof (GList));
}
gint64
gimp_g_value_get_memsize (GValue *value)
{
gint64 memsize = sizeof (GValue);
if (G_VALUE_HOLDS_STRING (value))
{
const gchar *str = g_value_get_string (value);
if (str)
memsize += strlen (str) + 1;
}
else if (G_VALUE_HOLDS_BOXED (value))
{
if (GIMP_VALUE_HOLDS_COLOR (value))
{
memsize += sizeof (GimpRGB);
}
else if (GIMP_VALUE_HOLDS_MATRIX2 (value))
{
memsize += sizeof (GimpMatrix2);
}
else
{
g_printerr ("%s: unhandled boxed value type: %s\n",
G_STRFUNC, G_VALUE_TYPE_NAME (value));
}
}
else if (G_VALUE_HOLDS_OBJECT (value))
{
g_printerr ("%s: unhandled object value type: %s\n",
G_STRFUNC, G_VALUE_TYPE_NAME (value));
}
return memsize;
}
/*
* basically copied from gtk_get_default_language()
*/
gchar *
gimp_get_default_language (const gchar *category)
{
gchar *lang;
gchar *p;
gint cat = LC_CTYPE;
if (! category)
category = "LC_CTYPE";
#ifdef G_OS_WIN32
p = getenv ("LC_ALL");
if (p != NULL)
lang = g_strdup (p);
else
{
p = getenv ("LANG");
if (p != NULL)
lang = g_strdup (p);
else
{
p = getenv (category);
if (p != NULL)
lang = g_strdup (p);
else
lang = g_win32_getlocale ();
}
}
#else
if (strcmp (category, "LC_CTYPE") == 0)
cat = LC_CTYPE;
else if (strcmp (category, "LC_MESSAGES") == 0)
cat = LC_MESSAGES;
else
g_warning ("unsupported category used with gimp_get_default_language()");
lang = g_strdup (setlocale (cat, NULL));
#endif
p = strchr (lang, '.');
if (p)
*p = '\0';
p = strchr (lang, '@');
if (p)
*p = '\0';
return lang;
}
gboolean
gimp_boolean_handled_accum (GSignalInvocationHint *ihint,
GValue *return_accu,
const GValue *handler_return,
gpointer dummy)
{
gboolean continue_emission;
gboolean signal_handled;
signal_handled = g_value_get_boolean (handler_return);
g_value_set_boolean (return_accu, signal_handled);
continue_emission = ! signal_handled;
return continue_emission;
}
GParameter *
gimp_parameters_append (GType object_type,
GParameter *params,
gint *n_params,
...)
{
va_list args;
g_return_val_if_fail (g_type_is_a (object_type, G_TYPE_OBJECT), NULL);
g_return_val_if_fail (n_params != NULL, NULL);
g_return_val_if_fail (params != NULL || *n_params == 0, NULL);
va_start (args, n_params);
params = gimp_parameters_append_valist (object_type, params, n_params, args);
va_end (args);
return params;
}
GParameter *
gimp_parameters_append_valist (GType object_type,
GParameter *params,
gint *n_params,
va_list args)
{
GObjectClass *object_class;
gchar *param_name;
g_return_val_if_fail (g_type_is_a (object_type, G_TYPE_OBJECT), NULL);
g_return_val_if_fail (n_params != NULL, NULL);
g_return_val_if_fail (params != NULL || *n_params == 0, NULL);
object_class = g_type_class_ref (object_type);
param_name = va_arg (args, gchar *);
while (param_name)
{
gchar *error = NULL;
GParamSpec *pspec = g_object_class_find_property (object_class,
param_name);
if (! pspec)
{
g_warning ("%s: object class `%s' has no property named `%s'",
G_STRFUNC, g_type_name (object_type), param_name);
break;
}
params = g_renew (GParameter, params, *n_params + 1);
params[*n_params].name = param_name;
params[*n_params].value.g_type = 0;
g_value_init (&params[*n_params].value, G_PARAM_SPEC_VALUE_TYPE (pspec));
G_VALUE_COLLECT (&params[*n_params].value, args, 0, &error);
if (error)
{
g_warning ("%s: %s", G_STRFUNC, error);
g_free (error);
g_value_unset (&params[*n_params].value);
break;
}
*n_params = *n_params + 1;
param_name = va_arg (args, gchar *);
}
g_type_class_unref (object_class);
return params;
}
void
gimp_parameters_free (GParameter *params,
gint n_params)
{
g_return_if_fail (params != NULL || n_params == 0);
if (params)
{
gint i;
for (i = 0; i < n_params; i++)
g_value_unset (&params[i].value);
g_free (params);
}
}
Reference in New Issue View Git Blame Copy Permalink