libview/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 #if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
  25 #error "Only <evince-view.h> can be included directly."
  26 #endif
  27
  28 #ifndef __EV_PIXBUF_CACHE_H__
  29 #define __EV_PIXBUF_CACHE_H__
  30
  31 #include <gtk/gtk.h>
  32
  33 #include <evince-document.h>
  34
  35 G_BEGIN_DECLS
  36
  37 #define EV_TYPE_PIXBUF_CACHE            (ev_pixbuf_cache_get_type ())
  38 #define EV_PIXBUF_CACHE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PIXBUF_CACHE, EvPixbufCache))
  39 #define EV_IS_PIXBUF_CACHE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PIXBUF_CACHE))
  40
  41
  42
  43 /* The coordinates in the rect here are at scale == 1.0, so that we can ignore
  44  * resizings.  There is one per page, maximum.
  45  */
  46 typedef struct {
  47         int page;
  48         EvRectangle rect;
  49         GdkRegion *covered_region;
  50         EvSelectionStyle style;
  51 } EvViewSelection;
  52
  53 typedef struct _EvPixbufCache       EvPixbufCache;
  54 typedef struct _EvPixbufCacheClass  EvPixbufCacheClass;
  55
  56 GType          ev_pixbuf_cache_get_type             (void) G_GNUC_CONST;
  57 EvPixbufCache *ev_pixbuf_cache_new                  (GtkWidget     *view,
  58                                                      EvDocument    *document);
  59 void           ev_pixbuf_cache_set_page_range       (EvPixbufCache *pixbuf_cache,
  60                                                      gint           start_page,
  61                                                      gint           end_page,
  62                                                      gint           rotation,
  63                                                      gfloat         scale,
  64                                                      GList          *selection_list);
  65 cairo_surface_t *ev_pixbuf_cache_get_surface        (EvPixbufCache *pixbuf_cache,
  66                                                      gint           page);
  67 GList         *ev_pixbuf_cache_get_link_mapping     (EvPixbufCache *pixbuf_cache,
  68                                                      gint           page);
  69 GList         *ev_pixbuf_cache_get_image_mapping    (EvPixbufCache *pixbuf_cache,
  70                                                      gint           page);
  71 GdkRegion     *ev_pixbuf_cache_get_text_mapping     (EvPixbufCache *pixbuf_cache,
  72                                                      gint           page);
  73 GList         *ev_pixbuf_cache_get_form_field_mapping (EvPixbufCache *pixbuf_cache,
  74                                                        gint         page);
  75 void           ev_pixbuf_cache_clear                (EvPixbufCache *pixbuf_cache);
  76 void           ev_pixbuf_cache_style_changed        (EvPixbufCache *pixbuf_cache);
  77 void           ev_pixbuf_cache_reload_page          (EvPixbufCache *pixbuf_cache,
  78                                                      GdkRegion     *region,
  79                                                      gint           page,
  80                                                      gint           rotation,
  81                                                      gdouble         scale);
  82 /* Selection */
  83 cairo_surface_t *ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
  84                                                         gint           page,
  85                                                         gfloat         scale,
  86                                                         GdkRegion     **region);
  87 void           ev_pixbuf_cache_set_selection_list   (EvPixbufCache *pixbuf_cache,
  88                                                      GList         *selection_list);
  89 GList         *ev_pixbuf_cache_get_selection_list   (EvPixbufCache *pixbuf_cache);
  90
  91 G_END_DECLS
  92
  93 #endif /* __EV_PIXBUF_CACHE_H__ */