gtk/gdk-pixbuf/gdk-pixbuf-loader.h
2004-06-20 05:11:57 +00:00

99 lines
3.8 KiB
C

/* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef GDK_PIXBUF_LOADER_H
#define GDK_PIXBUF_LOADER_H
#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
{
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);
};
GType gdk_pixbuf_loader_get_type (void) G_GNUC_CONST;
GdkPixbufLoader * gdk_pixbuf_loader_new (void);
GdkPixbufLoader * gdk_pixbuf_loader_new_with_type (const char *image_type,
GError **error);
GdkPixbufLoader * gdk_pixbuf_loader_new_with_mime_type (const char *mime_type,
GError **error);
void gdk_pixbuf_loader_set_size (GdkPixbufLoader *loader,
int width,
int height);
gboolean gdk_pixbuf_loader_write (GdkPixbufLoader *loader,
const guchar *buf,
gsize count,
GError **error);
GdkPixbuf * gdk_pixbuf_loader_get_pixbuf (GdkPixbufLoader *loader);
GdkPixbufAnimation * gdk_pixbuf_loader_get_animation (GdkPixbufLoader *loader);
gboolean gdk_pixbuf_loader_close (GdkPixbufLoader *loader,
GError **error);
GdkPixbufFormat *gdk_pixbuf_loader_get_format (GdkPixbufLoader *loader);
G_END_DECLS
#endif