mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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6044dfc35b
Code taken more or less verbatim from CoglBitmask.
73 lines
3.2 KiB
C
73 lines
3.2 KiB
C
/*
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* Copyright © 2011 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#ifndef __GTK_ALLOCATED_BITMASK_PRIVATE_H__
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#define __GTK_ALLOCATED_BITMASK_PRIVATE_H__
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#include <glib.h>
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G_BEGIN_DECLS
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typedef struct _GtkBitmask GtkBitmask;
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#define _gtk_bitmask_to_bits(mask) \
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(GPOINTER_TO_SIZE (mask) >> ((gsize) 1))
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#define _gtk_bitmask_from_bits(bits) \
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GSIZE_TO_POINTER ((((gsize) (bits)) << 1) | 1)
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#define _gtk_bitmask_is_allocated(mask) \
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(!(GPOINTER_TO_SIZE (mask) & 1))
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#define GTK_BITMASK_N_DIRECT_BITS (sizeof (gsize) * 8 - 1)
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GtkBitmask * _gtk_allocated_bitmask_copy (const GtkBitmask *mask);
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void _gtk_allocated_bitmask_free (GtkBitmask *mask);
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void _gtk_allocated_bitmask_print (const GtkBitmask *mask,
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GString *string);
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GtkBitmask * _gtk_allocated_bitmask_intersect (GtkBitmask *mask,
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const GtkBitmask *other) G_GNUC_WARN_UNUSED_RESULT;
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GtkBitmask * _gtk_allocated_bitmask_union (GtkBitmask *mask,
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const GtkBitmask *other) G_GNUC_WARN_UNUSED_RESULT;
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GtkBitmask * _gtk_allocated_bitmask_subtract (GtkBitmask *mask,
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const GtkBitmask *other) G_GNUC_WARN_UNUSED_RESULT;
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gboolean _gtk_allocated_bitmask_get (const GtkBitmask *mask,
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guint index_);
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GtkBitmask * _gtk_allocated_bitmask_set (GtkBitmask *mask,
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guint index_,
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gboolean value) G_GNUC_WARN_UNUSED_RESULT;
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GtkBitmask * _gtk_allocated_bitmask_invert_range (GtkBitmask *mask,
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guint start,
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guint end) G_GNUC_WARN_UNUSED_RESULT;
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gboolean _gtk_allocated_bitmask_equals (const GtkBitmask *mask,
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const GtkBitmask *other);
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gboolean _gtk_allocated_bitmask_intersects (const GtkBitmask *mask,
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const GtkBitmask *other);
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G_END_DECLS
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#endif /* __GTK_ALLOCATED_BITMASK_PRIVATE_H__ */
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