backend/ev-image.h

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2006 Carlos Garcia Campos <carlosgc@gnome.org>
   4  *
   5  * Evince is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * Evince is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __EV_IMAGE_H__
  21 #define __EV_IMAGE_H__
  22
  23 #include <glib-object.h>
  24 #include <gdk/gdkpixbuf.h>
  25
  26 G_BEGIN_DECLS
  27
  28 typedef struct _EvImage        EvImage;
  29 typedef struct _EvImageClass   EvImageClass;
  30 typedef struct _EvImagePrivate EvImagePrivate;
  31
  32 #define EV_TYPE_IMAGE              (ev_image_get_type())
  33 #define EV_IMAGE(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_IMAGE, EvImage))
  34 #define EV_IMAGE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_IMAGE, EvImageClass))
  35 #define EV_IS_IMAGE(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_IMAGE))
  36 #define EV_IS_IMAGE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_IMAGE))
  37 #define EV_IMAGE_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_IMAGE, EvImageClass))
  38
  39 struct _EvImage {
  40         GObject base_instance;
  41
  42         EvImagePrivate *priv;
  43 };
  44
  45 struct _EvImageClass {
  46         GObjectClass base_class;
  47 };
  48
  49 GType        ev_image_get_type        (void) G_GNUC_CONST;
  50 EvImage     *ev_image_new_from_pixbuf (GdkPixbuf *pixbuf);
  51
  52 GdkPixbuf   *ev_image_get_pixbuf      (EvImage   *image);
  53 const gchar *ev_image_save_tmp        (EvImage   *image);
  54 const gchar *ev_image_get_tmp_uri     (EvImage   *image);
  55
  56
  57 /* Image Mapping stuff */
  58 typedef struct _EvImageMapping EvImageMapping;
  59 struct _EvImageMapping {
  60         EvImage *image;
  61         gdouble x1;
  62         gdouble y1;
  63         gdouble x2;
  64         gdouble y2;
  65 };
  66
  67 void     ev_image_mapping_free (GList   *image_mapping);
  68 EvImage *ev_image_mapping_find (GList   *image_mapping,
  69                                 gdouble  x,
  70                                 gdouble  y);
  71
  72 G_END_DECLS
  73
  74 #endif /* __EV_IMAGE_H__ */