gdk-pixbuf-loader.h

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/* 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))
 
typedef struct _GdkPixbufLoader GdkPixbufLoader;
struct _GdkPixbufLoader
{
  /*< private >*/
  GObject parent_instance;
  
  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