/usr/include/tumbler-1/tumbler/tumbler-thumbnail.h is in libtumbler-1-dev 0.1.24-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*-
* Copyright (c) 2009 Jannis Pohlmann <jannis@xfce.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#if !defined (TUMBLER_INSIDE_TUMBLER_H) && !defined (TUMBLER_COMPILATION)
#error "Only <tumbler/tumbler.h> may be included directly. This file might disappear or change contents."
#endif
#ifndef __TUMBLER_THUMBNAIL_H__
#define __TUMBLER_THUMBNAIL_H__
#include <gio/gio.h>
#include <tumbler/tumbler-enum-types.h>
#include <tumbler/tumbler-thumbnail-flavor.h>
G_BEGIN_DECLS
#define TUMBLER_TYPE_THUMBNAIL (tumbler_thumbnail_get_type ())
#define TUMBLER_THUMBNAIL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TUMBLER_TYPE_THUMBNAIL, TumblerThumbnail))
#define TUMBLER_IS_THUMBNAIL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TUMBLER_TYPE_THUMBNAIL))
#define TUMBLER_THUMBNAIL_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TUMBLER_TYPE_THUMBNAIL, TumblerThumbnailIface))
typedef struct _TumblerImageData TumblerImageData;
typedef struct _TumblerThumbnail TumblerThumbnail;
typedef struct _TumblerThumbnailIface TumblerThumbnailIface;
struct _TumblerImageData
{
TumblerColorspace colorspace;
const guchar *data;
gboolean has_alpha;
gint bits_per_sample;
gint width;
gint height;
gint rowstride;
};
struct _TumblerThumbnailIface
{
GTypeInterface __parent__;
/* signals */
/* virtual methods */
gboolean (*load) (TumblerThumbnail *thumbnail,
GCancellable *cancellable,
GError **error);
gboolean (*needs_update) (TumblerThumbnail *thumbnail,
const gchar *uri,
guint64 mtime);
gboolean (*save_image_data) (TumblerThumbnail *thumbnail,
TumblerImageData *data,
guint64 mtime,
GCancellable *cancellable,
GError **error);
gboolean (*save_file) (TumblerThumbnail *thumbnail,
GFile *file,
guint64 mtime,
GCancellable *cancellable,
GError **error);
};
GType tumbler_thumbnail_get_type (void) G_GNUC_CONST;
gboolean tumbler_thumbnail_load (TumblerThumbnail *thumbnail,
GCancellable *cancellable,
GError **error);
gboolean tumbler_thumbnail_needs_update (TumblerThumbnail *thumbnail,
const gchar *uri,
guint64 mtime);
gboolean tumbler_thumbnail_save_image_data (TumblerThumbnail *thumbnail,
TumblerImageData *data,
guint64 mtime,
GCancellable *cancellable,
GError **error);
gboolean tumbler_thumbnail_save_file (TumblerThumbnail *thumbnail,
GFile *file,
guint64 mtime,
GCancellable *cancellable,
GError **error);
TumblerThumbnailFlavor *tumbler_thumbnail_get_flavor (TumblerThumbnail *thumbnail);
G_END_DECLS
#endif /* !__TUMBLER_THUMBNAIL_H__ */
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