Pileus Git - ~andy/gtk/blob - gtk/gtkallocatedbitmaskprivate.h

   1 /*
   2  * Copyright © 2011 Red Hat Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Benjamin Otte <otte@gnome.org>
  19  */
  20
  21 #ifndef __GTK_ALLOCATED_BITMASK_PRIVATE_H__
  22 #define __GTK_ALLOCATED_BITMASK_PRIVATE_H__
  23
  24 #include <glib.h>
  25
  26 G_BEGIN_DECLS
  27
  28 typedef struct _GtkBitmask GtkBitmask;
  29
  30 #define _gtk_bitmask_to_bits(mask) \
  31   (GPOINTER_TO_SIZE (mask) >> ((gsize) 1))
  32
  33 #define _gtk_bitmask_from_bits(bits) \
  34   GSIZE_TO_POINTER ((((gsize) (bits)) << 1) | 1)
  35
  36 #define _gtk_bitmask_is_allocated(mask) \
  37   (!(GPOINTER_TO_SIZE (mask) & 1))
  38
  39 #define GTK_BITMASK_N_DIRECT_BITS (sizeof (gsize) * 8 - 1)
  40
  41
  42 GtkBitmask *   _gtk_allocated_bitmask_copy              (const GtkBitmask  *mask);
  43 void           _gtk_allocated_bitmask_free              (GtkBitmask        *mask);
  44
  45 void           _gtk_allocated_bitmask_print             (const GtkBitmask  *mask,
  46                                                          GString           *string);
  47
  48 GtkBitmask *   _gtk_allocated_bitmask_intersect         (GtkBitmask        *mask,
  49                                                          const GtkBitmask  *other) G_GNUC_WARN_UNUSED_RESULT;
  50 GtkBitmask *   _gtk_allocated_bitmask_union             (GtkBitmask        *mask,
  51                                                          const GtkBitmask  *other) G_GNUC_WARN_UNUSED_RESULT;
  52 GtkBitmask *   _gtk_allocated_bitmask_subtract          (GtkBitmask        *mask,
  53                                                          const GtkBitmask  *other) G_GNUC_WARN_UNUSED_RESULT;
  54
  55 gboolean       _gtk_allocated_bitmask_get               (const GtkBitmask  *mask,
  56                                                          guint              index_);
  57 GtkBitmask *   _gtk_allocated_bitmask_set               (GtkBitmask        *mask,
  58                                                          guint              index_,
  59                                                          gboolean           value) G_GNUC_WARN_UNUSED_RESULT;
  60
  61 GtkBitmask *   _gtk_allocated_bitmask_invert_range      (GtkBitmask        *mask,
  62                                                          guint              start,
  63                                                          guint              end) G_GNUC_WARN_UNUSED_RESULT;
  64
  65 gboolean       _gtk_allocated_bitmask_equals            (const GtkBitmask  *mask,
  66                                                          const GtkBitmask  *other);
  67 gboolean       _gtk_allocated_bitmask_intersects        (const GtkBitmask  *mask,
  68                                                          const GtkBitmask  *other);
  69
  70 G_END_DECLS
  71
  72 #endif /* __GTK_ALLOCATED_BITMASK_PRIVATE_H__ */