/* GStreamer Color Balance

 * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>

 *

 * color-balance.h: image color balance interface design

 *

 * 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., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#ifndef __GST_COLOR_BALANCE_H__

#define __GST_COLOR_BALANCE_H__

#include <gst/gst.h>

#include <gst/interfaces/colorbalancechannel.h>

#include <gst/interfaces/interfaces-enumtypes.h>

G_BEGIN_DECLS

#define GST_TYPE_COLOR_BALANCE \

  (gst_color_balance_get_type ())

#define GST_COLOR_BALANCE(obj) \

  (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_COLOR_BALANCE, \

                                                 GstColorBalance))

#define GST_COLOR_BALANCE_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_COLOR_BALANCE, \

                            GstColorBalanceClass))

#define GST_IS_COLOR_BALANCE(obj) \

  (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_COLOR_BALANCE))

#define GST_IS_COLOR_BALANCE_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_COLOR_BALANCE))

#define GST_COLOR_BALANCE_GET_CLASS(inst) \

  (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_COLOR_BALANCE, GstColorBalanceClass))

#define GST_COLOR_BALANCE_TYPE(klass) (klass->balance_type)

typedef struct _GstColorBalance GstColorBalance;

typedef enum

{

  GST_COLOR_BALANCE_HARDWARE,

  GST_COLOR_BALANCE_SOFTWARE

} GstColorBalanceType;

  GTypeInterface klass;

  GstColorBalanceType balance_type;

  /* virtual functions */

  const GList * (* list_channels) (GstColorBalance        *balance);

  void          (* set_value)     (GstColorBalance        *balance,

                                   GstColorBalanceChannel *channel,

                                   gint                    value);

  gint          (* get_value)     (GstColorBalance        *balance,

                                   GstColorBalanceChannel *channel);

  /* signals */

  void (* value_changed) (GstColorBalance        *balance,

                          GstColorBalanceChannel *channel,

                          gint                    value);

  gpointer _gst_reserved[GST_PADDING];

#ifdef __SYMBIAN32__

IMPORT_C

#endif

GType   gst_color_balance_get_type      (void);

/* virtual class function wrappers */

#ifdef __SYMBIAN32__

IMPORT_C

#endif

const GList *

        gst_color_balance_list_channels (GstColorBalance        *balance);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

void    gst_color_balance_set_value     (GstColorBalance        *balance,

                                         GstColorBalanceChannel *channel,

                                         gint                    value);

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gint    gst_color_balance_get_value     (GstColorBalance        *balance,

                                         GstColorBalanceChannel *channel);

/* trigger signal */

#ifdef __SYMBIAN32__

IMPORT_C

#endif

void    gst_color_balance_value_changed (GstColorBalance        *balance,

                                         GstColorBalanceChannel *channel,

                                         gint                    value);

G_END_DECLS

#endif /* __GST_COLOR_BALANCE_H__ */