/* GdkPixbuf library - Progressive loader object

 *

 * Copyright (C) 1999 The Free Software Foundation

 *

 * Authors: Mark Crichton <crichton@gimp.org>

 *          Miguel de Icaza <miguel@gnu.org>

 *          Federico Mena-Quintero <federico@gimp.org>

 *          Jonathan Blandford <jrb@redhat.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, see <http://www.gnu.org/licenses/>.

 */

#ifndef GDK_PIXBUF_LOADER_H

#define GDK_PIXBUF_LOADER_H

#if defined(GDK_PIXBUF_DISABLE_SINGLE_INCLUDES) && !defined (GDK_PIXBUF_H_INSIDE) && !defined (GDK_PIXBUF_COMPILATION)

#error "Only <gdk-pixbuf/gdk-pixbuf.h> can be included directly."

#endif

#include <glib.h>

#include <glib-object.h>

#include <gdk-pixbuf/gdk-pixbuf-core.h>

#include <gdk-pixbuf/gdk-pixbuf-animation.h>

#include <gdk-pixbuf/gdk-pixbuf-io.h>

G_BEGIN_DECLS

#define GDK_TYPE_PIXBUF_LOADER		   (gdk_pixbuf_loader_get_type ())

#define GDK_PIXBUF_LOADER(obj)		   (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PIXBUF_LOADER, GdkPixbufLoader))

#define GDK_PIXBUF_LOADER_CLASS(klass)	   (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_LOADER, GdkPixbufLoaderClass))

#define GDK_IS_PIXBUF_LOADER(obj)	   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PIXBUF_LOADER))

#define GDK_IS_PIXBUF_LOADER_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_LOADER))

#define GDK_PIXBUF_LOADER_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_LOADER, GdkPixbufLoaderClass))

/**

 * GdkPixbufLoader:

 * 

 * The GdkPixbufLoader struct contains only private

 * fields. 

 */

typedef struct _GdkPixbufLoader GdkPixbufLoader;

struct _GdkPixbufLoader

{

  GObject parent_instance;

  /*< private >*/

  gpointer priv;

};

typedef struct _GdkPixbufLoaderClass GdkPixbufLoaderClass;

struct _GdkPixbufLoaderClass

{

  GObjectClass parent_class;

  void (*size_prepared)      (GdkPixbufLoader *loader, 

			      int              width,

			      int              height);

  void (*area_prepared)      (GdkPixbufLoader *loader);

  /* Last known frame needs a redraw for x, y, width, height */

  void (*area_updated)       (GdkPixbufLoader *loader,

                              int              x,

                              int              y,

			      int              width,

			      int              height);

  void (*closed)             (GdkPixbufLoader *loader);

};

GDK_PIXBUF_AVAILABLE_IN_ALL

GType                gdk_pixbuf_loader_get_type      (void) G_GNUC_CONST;

GDK_PIXBUF_AVAILABLE_IN_ALL

GdkPixbufLoader *    gdk_pixbuf_loader_new           (void);

GDK_PIXBUF_AVAILABLE_IN_ALL

GdkPixbufLoader *    gdk_pixbuf_loader_new_with_type (const char *image_type,

                                                      GError    **error);

GDK_PIXBUF_AVAILABLE_IN_2_4

GdkPixbufLoader *    gdk_pixbuf_loader_new_with_mime_type (const char *mime_type,

							   GError    **error);

GDK_PIXBUF_AVAILABLE_IN_2_2

void                 gdk_pixbuf_loader_set_size (GdkPixbufLoader  *loader,

                                                 int               width,

						 int               height);

GDK_PIXBUF_AVAILABLE_IN_ALL

gboolean             gdk_pixbuf_loader_write         (GdkPixbufLoader *loader,

						      const guchar    *buf,

						      gsize            count,

                                                      GError         **error);

GDK_PIXBUF_AVAILABLE_IN_2_30

gboolean             gdk_pixbuf_loader_write_bytes   (GdkPixbufLoader *loader,

                                                      GBytes          *buffer,

                                                      GError         **error);

GDK_PIXBUF_AVAILABLE_IN_ALL

GdkPixbuf *          gdk_pixbuf_loader_get_pixbuf    (GdkPixbufLoader *loader);

GDK_PIXBUF_AVAILABLE_IN_ALL

GdkPixbufAnimation * gdk_pixbuf_loader_get_animation (GdkPixbufLoader *loader);

GDK_PIXBUF_AVAILABLE_IN_ALL

gboolean             gdk_pixbuf_loader_close         (GdkPixbufLoader *loader,

                                                      GError         **error);

GDK_PIXBUF_AVAILABLE_IN_2_2

GdkPixbufFormat     *gdk_pixbuf_loader_get_format    (GdkPixbufLoader *loader);

G_END_DECLS

#endif