backend/ev-document-thumbnails.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /*
   3  *  Copyright (C) 2004 Anders Carlsson
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU 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
  21 #ifndef EV_DOCUMENT_THUMBNAILS_H
  22 #define EV_DOCUMENT_THUMBNAILS_H
  23
  24 #include <gdk-pixbuf/gdk-pixbuf.h>
  25
  26 G_BEGIN_DECLS
  27
  28 #define EV_TYPE_DOCUMENT_THUMBNAILS         (ev_document_thumbnails_get_type ())
  29 #define EV_DOCUMENT_THUMBNAILS(o)                   (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_DOCUMENT_THUMBNAILS, EvDocumentThumbnails))
  30 #define EV_DOCUMENT_THUMBNAILS_IFACE(k)     (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_DOCUMENT_THUMBNAILS, EvDocumentThumbnailsIface))
  31 #define EV_IS_DOCUMENT_THUMBNAILS(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT_THUMBNAILS))
  32 #define EV_IS_DOCUMENT_THUMBNAILS_IFACE(k)          (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT_THUMBNAILS))
  33 #define EV_DOCUMENT_THUMBNAILS_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), EV_TYPE_DOCUMENT_THUMBNAILS, EvDocumentThumbnailsIface))
  34
  35 typedef struct _EvDocumentThumbnails    EvDocumentThumbnails;
  36 typedef struct _EvDocumentThumbnailsIface       EvDocumentThumbnailsIface;
  37
  38 struct _EvDocumentThumbnailsIface
  39 {
  40         GTypeInterface base_iface;
  41
  42         /* Methods  */
  43         GdkPixbuf *  (* get_thumbnail)  (EvDocumentThumbnails *document,
  44                                          gint                  page,
  45                                          gint                  size,
  46                                          gboolean              border);
  47         void         (* get_dimensions) (EvDocumentThumbnails *document,
  48                                          gint                  page,
  49                                          gint                  suggested_width,
  50                                          gint                 *width,
  51                                          gint                 *height);
  52 };
  53
  54 GType      ev_document_thumbnails_get_type       (void);
  55
  56 /* FIXME: This is a little bit busted.  We call get_thumbnail w/ a suggested
  57  * width, but we should call it with a scale so that different sized pages get
  58  * sized proportionally.
  59  */
  60
  61 GdkPixbuf *ev_document_thumbnails_get_thumbnail  (EvDocumentThumbnails *document,
  62                                                   gint                  page,
  63                                                   gint                  size,
  64                                                   gboolean              border);
  65 void       ev_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
  66                                                   gint                  page,
  67                                                   gint                  size,
  68                                                   gint                 *width,
  69                                                   gint                 *height);
  70
  71 G_END_DECLS
  72
  73 #endif