blob: 0e1424515adcd6888f71120e15969a415d93f843 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* Copyright (C) 2016 Paul Davis
* Copyright (C) 2016 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _ardour_maschine2_canvas_h_
#define _ardour_maschine2_canvas_h_
#include <cairomm/refptr.h>
#include <glibmm/threads.h>
#include "canvas/canvas.h"
namespace Cairo {
class ImageSurface;
class Context;
class Region;
}
namespace ArdourSurface {
class M2Device;
class Maschine2;
/* A canvas which renders to the Push2 display */
class Maschine2Canvas : public ArdourCanvas::Canvas
{
public:
Maschine2Canvas (Maschine2&, M2Device*);
~Maschine2Canvas();
void request_redraw ();
void request_redraw (ArdourCanvas::Rect const &);
bool vblank ();
Cairo::RefPtr<Cairo::Context> image_context() { return context; }
ArdourCanvas::Coord width() const { return _width; }
ArdourCanvas::Coord height() const { return _height; }
void request_size (ArdourCanvas::Duple);
ArdourCanvas::Rect visible_area () const;
/* API that does nothing since we have no input events */
void ungrab () {}
void grab (ArdourCanvas::Item*) {}
void focus (ArdourCanvas::Item*) {}
void unfocus (ArdourCanvas::Item*) {}
void re_enter() {}
void pick_current_item (int) {}
void pick_current_item (ArdourCanvas::Duple const &, int) {}
bool get_mouse_position (ArdourCanvas::Duple&) const { return false; }
Glib::RefPtr<Pango::Context> get_pango_context ();
private:
int _width;
int _height;
Cairo::RefPtr<Cairo::Context> context;
Cairo::RefPtr<Cairo::Region> expose_region;
Glib::RefPtr<Pango::Context> pango_context;
Maschine2& m2;
PBD::ScopedConnection vblank_connections;
bool expose ();
};
} /* namespace ArdourSurface */
#endif
|
