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/* GStreamer
* Copyright (C) 2006 Nokia <stefan.kost@nokia.com
*
* videoorientation.h: video flipping and centering interface
*
* 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 St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_VIDEO_ORIENTATION_H__
#define __GST_VIDEO_ORIENTATION_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_VIDEO_ORIENTATION \
(gst_video_orientation_get_type ())
#define GST_VIDEO_ORIENTATION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientation))
#define GST_IS_VIDEO_ORIENTATION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_ORIENTATION))
#define GST_VIDEO_ORIENTATION_GET_INTERFACE(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientationInterface))
/**
* GstVideoOrientation:
*
* Opaque #GstVideoOrientation data structure.
*/
typedef struct _GstVideoOrientation GstVideoOrientation;
typedef struct _GstVideoOrientationInterface GstVideoOrientationInterface;
/**
* GstVideoOrientationInterface:
* @iface: parent interface type.
* @get_hflip: virtual method to get horizontal flipping state
* @get_vflip: virtual method to get vertical flipping state
* @get_hcenter: virtual method to get horizontal centering state
* @get_vcenter: virtual method to get vertical centering state
* @set_hflip: virtual method to set horizontal flipping state
* @set_vflip: virtual method to set vertical flipping state
* @set_hcenter: virtual method to set horizontal centering state
* @set_vcenter: virtual method to set vertical centering state
*
* #GstVideoOrientationInterface interface.
*/
struct _GstVideoOrientationInterface {
GTypeInterface iface;
/* FIXME 0.11: fix awkward API? add some kind of get_supported flags thing
* and then just return booleans/int from all vfuncs requiring the caller
* to check the flags first */
/* virtual functions */
gboolean (* get_hflip) (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean (* get_vflip) (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean (* get_hcenter) (GstVideoOrientation *video_orientation, gint *center);
gboolean (* get_vcenter) (GstVideoOrientation *video_orientation, gint *center);
gboolean (* set_hflip) (GstVideoOrientation *video_orientation, gboolean flip);
gboolean (* set_vflip) (GstVideoOrientation *video_orientation, gboolean flip);
gboolean (* set_hcenter) (GstVideoOrientation *video_orientation, gint center);
gboolean (* set_vcenter) (GstVideoOrientation *video_orientation, gint center);
};
GType gst_video_orientation_get_type (void);
/* virtual class function wrappers */
gboolean gst_video_orientation_get_hflip (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean gst_video_orientation_get_vflip (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean gst_video_orientation_get_hcenter (GstVideoOrientation *video_orientation, gint *center);
gboolean gst_video_orientation_get_vcenter (GstVideoOrientation *video_orientation, gint *center);
gboolean gst_video_orientation_set_hflip (GstVideoOrientation *video_orientation, gboolean flip);
gboolean gst_video_orientation_set_vflip (GstVideoOrientation *video_orientation, gboolean flip);
gboolean gst_video_orientation_set_hcenter (GstVideoOrientation *video_orientation, gint center);
gboolean gst_video_orientation_set_vcenter (GstVideoOrientation *video_orientation, gint center);
G_END_DECLS
#endif /* __GST_VIDEO_ORIENTATION_H__ */
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