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