Pileus Git - ~andy/gtk/blob - gdk-pixbuf/gdk-pixbuf-animation.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
   2 /* GdkPixbuf library - Private declarations
   3  *
   4  * Copyright (C) 1999 The Free Software Foundation
   5  *
   6  * Authors: Mark Crichton <crichton@gimp.org>
   7  *          Miguel de Icaza <miguel@gnu.org>
   8  *          Federico Mena-Quintero <federico@gimp.org>
   9  *          Havoc Pennington <hp@redhat.com>
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the
  23  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24  * Boston, MA 02111-1307, USA.
  25  */
  26
  27 #ifndef GDK_PIXBUF_ANIMATION_H
  28 #define GDK_PIXBUF_ANIMATION_H
  29
  30 #include "gdk-pixbuf/gdk-pixbuf.h"
  31
  32 G_BEGIN_DECLS
  33
  34 #ifdef GDK_PIXBUF_ENABLE_BACKEND
  35
  36 \f
  37
  38 typedef struct _GdkPixbufAnimationClass GdkPixbufAnimationClass;
  39
  40 #define GDK_PIXBUF_ANIMATION_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_ANIMATION, GdkPixbufAnimationClass))
  41 #define GDK_IS_PIXBUF_ANIMATION_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_ANIMATION))
  42 #define GDK_PIXBUF_ANIMATION_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_ANIMATION, GdkPixbufAnimationClass))
  43
  44 /* Private part of the GdkPixbufAnimation structure */
  45 struct _GdkPixbufAnimation {
  46         GObject parent_instance;
  47
  48 };
  49
  50 struct _GdkPixbufAnimationClass {
  51         GObjectClass parent_class;
  52
  53         /*< public >*/
  54
  55         gboolean                (*is_static_image)  (GdkPixbufAnimation *anim);
  56
  57         GdkPixbuf*              (*get_static_image) (GdkPixbufAnimation *anim);
  58
  59         void                    (*get_size) (GdkPixbufAnimation *anim,
  60                                              int                 *width,
  61                                              int                 *height);
  62
  63         GdkPixbufAnimationIter* (*get_iter) (GdkPixbufAnimation *anim,
  64                                              const GTimeVal     *start_time);
  65
  66 };
  67
  68 \f
  69
  70 typedef struct _GdkPixbufAnimationIterClass GdkPixbufAnimationIterClass;
  71
  72 #define GDK_PIXBUF_ANIMATION_ITER_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_ANIMATION_ITER, GdkPixbufAnimationIterClass))
  73 #define GDK_IS_PIXBUF_ANIMATION_ITER_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_ANIMATION_ITER))
  74 #define GDK_PIXBUF_ANIMATION_ITER_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_ANIMATION_ITER, GdkPixbufAnimationIterClass))
  75
  76 struct _GdkPixbufAnimationIter {
  77         GObject parent_instance;
  78
  79 };
  80
  81 struct _GdkPixbufAnimationIterClass {
  82         GObjectClass parent_class;
  83
  84         /*< public >*/
  85
  86         int        (*get_delay_time)   (GdkPixbufAnimationIter *iter);
  87
  88         GdkPixbuf* (*get_pixbuf)       (GdkPixbufAnimationIter *iter);
  89
  90         gboolean (*on_currently_loading_frame) (GdkPixbufAnimationIter *iter);
  91
  92         gboolean (*advance)            (GdkPixbufAnimationIter *iter,
  93                                         const GTimeVal         *current_time);
  94 };
  95
  96
  97 GdkPixbufAnimation* gdk_pixbuf_non_anim_new (GdkPixbuf *pixbuf);
  98
  99 #endif /* GDK_PIXBUF_ENABLE_BACKEND */
 100
 101 G_END_DECLS
 102
 103 #endif /* GDK_PIXBUF_ANIMATION_H */