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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 #include <evince-view.h>
  35
  36 G_BEGIN_DECLS
  37
  38 #define EV_TYPE_PIXBUF_CACHE            (ev_pixbuf_cache_get_type ())
  39 #define EV_PIXBUF_CACHE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PIXBUF_CACHE, EvPixbufCache))
  40 #define EV_IS_PIXBUF_CACHE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PIXBUF_CACHE))
  41
  42
  43
  44 /* The coordinates in the rect here are at scale == 1.0, so that we can ignore
  45  * resizings.  There is one per page, maximum.
  46  */
  47 typedef struct {
  48         int page;
  49         EvRectangle rect;
  50         GdkRegion *covered_region;
  51         EvSelectionStyle style;
  52 } EvViewSelection;
  53
  54 typedef struct _EvPixbufCache       EvPixbufCache;
  55 typedef struct _EvPixbufCacheClass  EvPixbufCacheClass;
  56
  57 GType          ev_pixbuf_cache_get_type             (void) G_GNUC_CONST;
  58 EvPixbufCache *ev_pixbuf_cache_new                  (GtkWidget     *view,
  59                                                      EvDocumentModel *model,
  60                                                      gsize            max_size);
  61 void           ev_pixbuf_cache_set_max_size         (EvPixbufCache   *pixbuf_cache,
  62                                                      gsize            max_size);
  63 void           ev_pixbuf_cache_set_page_range       (EvPixbufCache *pixbuf_cache,
  64                                                      gint           start_page,
  65                                                      gint           end_page,
  66                                                      GList          *selection_list);
  67 cairo_surface_t *ev_pixbuf_cache_get_surface        (EvPixbufCache *pixbuf_cache,
  68                                                      gint           page);
  69 void           ev_pixbuf_cache_clear                (EvPixbufCache *pixbuf_cache);
  70 void           ev_pixbuf_cache_style_changed        (EvPixbufCache *pixbuf_cache);
  71 void           ev_pixbuf_cache_reload_page          (EvPixbufCache *pixbuf_cache,
  72                                                      GdkRegion     *region,
  73                                                      gint           page,
  74                                                      gint           rotation,
  75                                                      gdouble        scale);
  76 void           ev_pixbuf_cache_set_inverted_colors  (EvPixbufCache *pixbuf_cache,
  77                                                      gboolean       inverted_colors);
  78 /* Selection */
  79 cairo_surface_t *ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
  80                                                         gint           page,
  81                                                         gfloat         scale,
  82                                                         GdkRegion     **region);
  83 void           ev_pixbuf_cache_set_selection_list   (EvPixbufCache *pixbuf_cache,
  84                                                      GList         *selection_list);
  85 GList         *ev_pixbuf_cache_get_selection_list   (EvPixbufCache *pixbuf_cache);
  86
  87 G_END_DECLS
  88
  89 #endif /* __EV_PIXBUF_CACHE_H__ */