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C/C++ Source or Header  |  2006-04-25  |  3.8 KB  |  99 lines
  1. /* GdkPixbuf library - Progressive loader object
  2.  *
  3.  * Copyright (C) 1999 The Free Software Foundation
  4.  *
  5.  * Authors: Mark Crichton <crichton@gimp.org>
  6.  *          Miguel de Icaza <miguel@gnu.org>
  7.  *          Federico Mena-Quintero <federico@gimp.org>
  8.  *          Jonathan Blandford <jrb@redhat.com>
  9.  *
  10.  * This library is free software; you can redistribute it and/or
  11.  * modify it under the terms of the GNU Lesser General Public
  12.  * License as published by the Free Software Foundation; either
  13.  * version 2 of the License, or (at your option) any later version.
  14.  *
  15.  * This library is distributed in the hope that it will be useful,
  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18.  * Lesser General Public License for more details.
  19.  *
  20.  * You should have received a copy of the GNU Lesser General Public
  21.  * License along with this library; if not, write to the
  22.  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23.  * Boston, MA 02111-1307, USA.
  24.  */
  25.  
  26. #ifndef GDK_PIXBUF_LOADER_H
  27. #define GDK_PIXBUF_LOADER_H
  28.  
  29. #include <glib.h>
  30. #include <glib-object.h>
  31. #include <gdk-pixbuf/gdk-pixbuf-core.h>
  32. #include <gdk-pixbuf/gdk-pixbuf-animation.h>
  33. #include <gdk-pixbuf/gdk-pixbuf-io.h>
  34.  
  35. G_BEGIN_DECLS
  36.  
  37. #define GDK_TYPE_PIXBUF_LOADER           (gdk_pixbuf_loader_get_type ())
  38. #define GDK_PIXBUF_LOADER(obj)           (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PIXBUF_LOADER, GdkPixbufLoader))
  39. #define GDK_PIXBUF_LOADER_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_LOADER, GdkPixbufLoaderClass))
  40. #define GDK_IS_PIXBUF_LOADER(obj)       (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PIXBUF_LOADER))
  41. #define GDK_IS_PIXBUF_LOADER_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_LOADER))
  42. #define GDK_PIXBUF_LOADER_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_LOADER, GdkPixbufLoaderClass))
  43.  
  44.  
  45. typedef struct _GdkPixbufLoader GdkPixbufLoader;
  46. struct _GdkPixbufLoader
  47. {
  48.   GObject parent_instance;
  49.   
  50.   /*< private >*/
  51.   gpointer priv;
  52. };
  53.  
  54. typedef struct _GdkPixbufLoaderClass GdkPixbufLoaderClass;
  55. struct _GdkPixbufLoaderClass
  56. {
  57.   GObjectClass parent_class;
  58.  
  59.   void (*size_prepared)      (GdkPixbufLoader *loader, 
  60.                   int              width,
  61.                   int              height);
  62.  
  63.   void (*area_prepared)      (GdkPixbufLoader *loader);
  64.  
  65.   /* Last known frame needs a redraw for x, y, width, height */
  66.   void (*area_updated)       (GdkPixbufLoader *loader,
  67.                               int              x,
  68.                               int              y,
  69.                   int              width,
  70.                   int              height);
  71.  
  72.   void (*closed)             (GdkPixbufLoader *loader);
  73. };
  74.  
  75. GType                gdk_pixbuf_loader_get_type      (void) G_GNUC_CONST;
  76. GdkPixbufLoader *    gdk_pixbuf_loader_new           (void);
  77. GdkPixbufLoader *    gdk_pixbuf_loader_new_with_type (const char *image_type,
  78.                                                       GError    **error);
  79. GdkPixbufLoader *    gdk_pixbuf_loader_new_with_mime_type (const char *mime_type,
  80.                                GError    **error);
  81. void                 gdk_pixbuf_loader_set_size (GdkPixbufLoader  *loader,
  82.                                                  int               width,
  83.                          int               height);
  84. gboolean             gdk_pixbuf_loader_write         (GdkPixbufLoader *loader,
  85.                               const guchar    *buf,
  86.                               gsize            count,
  87.                                                       GError         **error);
  88. GdkPixbuf *          gdk_pixbuf_loader_get_pixbuf    (GdkPixbufLoader *loader);
  89. GdkPixbufAnimation * gdk_pixbuf_loader_get_animation (GdkPixbufLoader *loader);
  90. gboolean             gdk_pixbuf_loader_close         (GdkPixbufLoader *loader,
  91.                                                       GError         **error);
  92. GdkPixbufFormat     *gdk_pixbuf_loader_get_format    (GdkPixbufLoader *loader);
  93.  
  94. G_END_DECLS
  95.  
  96. #endif
  97.  
  98.  
  99.