shell/ev-pixbuf-cache.h

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2005 Red Hat, Inc
   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 /* This File is basically an extention of EvView, and is out here just to keep
  21  * ev-view.c from exploding.
  22  */
  23
  24 #ifndef __EV_PIXBUF_CACHE_H__
  25 #define __EV_PIXBUF_CACHE_H__
  26
  27 #include <gtk/gtkwidget.h>
  28 #include "ev-document.h"
  29 #include "ev-job-queue.h"
  30
  31 G_BEGIN_DECLS
  32
  33 #define EV_TYPE_PIXBUF_CACHE            (ev_pixbuf_cache_get_type ())
  34 #define EV_PIXBUF_CACHE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PIXBUF_CACHE, EvPixbufCache))
  35 #define EV_IS_PIXBUF_CACHE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PIXBUF_CACHE))
  36
  37
  38
  39 /* The coordinates in the rect here are at scale == 1.0, so that we can ignore
  40  * resizings.  There is one per page, maximum.
  41  */
  42 typedef struct {
  43         int page;
  44         EvRectangle rect;
  45         GdkRegion *covered_region;
  46 } EvViewSelection;
  47
  48 typedef struct _EvPixbufCache       EvPixbufCache;
  49 typedef struct _EvPixbufCacheClass  EvPixbufCacheClass;
  50
  51 GType          ev_pixbuf_cache_get_type             (void) G_GNUC_CONST;
  52 EvPixbufCache *ev_pixbuf_cache_new                  (GtkWidget     *view,
  53                                                      EvDocument    *document);
  54 void           ev_pixbuf_cache_set_page_range       (EvPixbufCache *pixbuf_cache,
  55                                                      gint           start_page,
  56                                                      gint           end_page,
  57                                                      gint           rotation,
  58                                                      gfloat         scale,
  59                                                      GList          *selection_list);
  60 GdkPixbuf     *ev_pixbuf_cache_get_pixbuf           (EvPixbufCache *pixbuf_cache,
  61                                                      gint           page);
  62 GList         *ev_pixbuf_cache_get_link_mapping     (EvPixbufCache *pixbuf_cache,
  63                                                      gint           page);
  64 GList         *ev_pixbuf_cache_get_image_mapping    (EvPixbufCache *pixbuf_cache,
  65                                                      gint           page);
  66 GdkRegion     *ev_pixbuf_cache_get_text_mapping     (EvPixbufCache *pixbuf_cache,
  67                                                      gint           page);
  68 void           ev_pixbuf_cache_clear                (EvPixbufCache *pixbuf_cache);
  69 void           ev_pixbuf_cache_style_changed        (EvPixbufCache *pixbuf_cache);
  70
  71 /* Selection */
  72 GdkPixbuf     *ev_pixbuf_cache_get_selection_pixbuf (EvPixbufCache *pixbuf_cache,
  73                                                      gint           page,
  74                                                      gfloat         scale,
  75                                                      GdkRegion     **region);
  76 void           ev_pixbuf_cache_set_selection_list   (EvPixbufCache *pixbuf_cache,
  77                                                      GList         *selection_list);
  78 GList         *ev_pixbuf_cache_get_selection_list   (EvPixbufCache *pixbuf_cache);
  79
  80 G_END_DECLS
  81
  82 #endif /* __EV_PIXBUF_CACHE_H__ */