Ardour  9.0-pre0-582-g084a23a80d
canvas/canvas/pixbuf.h
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1 /*
2  * Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
3  * Copyright (C) 2013-2014 Paul Davis <paul@linuxaudiosystems.com>
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 of the License, or
8  * (at your option) 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 along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef __CANVAS_PIXBUF__
21 #define __CANVAS_PIXBUF__
22 
23 #include <glibmm/refptr.h>
24 
25 #include "canvas/visibility.h"
26 #include "canvas/item.h"
27 
28 namespace Gdk {
29  class Pixbuf;
30 }
31 
32 namespace ArdourCanvas {
33 
34 class LIBCANVAS_API Pixbuf : public Item
35 {
36 public:
39 
40  void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
41  void compute_bounding_box () const;
42 
43  void set (Glib::RefPtr<Gdk::Pixbuf>);
44 
45  /* returns the reference to the internal private pixbuf
46  * after changing data in the pixbuf a call to set()
47  * is mandatory to update the data on screen */
48  Glib::RefPtr<Gdk::Pixbuf> pixbuf();
49 
50 private:
51  Glib::RefPtr<Gdk::Pixbuf> _pixbuf;
52 };
53 
54 }
55 #endif
#define LIBCANVAS_API
Glib::RefPtr< Gdk::Pixbuf > _pixbuf
void compute_bounding_box() const
void render(Rect const &, Cairo::RefPtr< Cairo::Context >) const
Glib::RefPtr< Gdk::Pixbuf > pixbuf()
void set(Glib::RefPtr< Gdk::Pixbuf >)