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
|
/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3,
* as published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored By: Alan Griffiths <alan@octopull.co.uk>
*/
#ifndef MIR_EXAMPLE_DISPLAY_CONFIGURATION_POLICY_H_
#define MIR_EXAMPLE_DISPLAY_CONFIGURATION_POLICY_H_
#include "mir/graphics/display_configuration_policy.h"
#include <memory>
namespace mir
{
class Server;
namespace examples
{
extern char const* const display_config_opt;
extern char const* const display_config_descr;
extern char const* const clone_opt_val;
extern char const* const sidebyside_opt_val;
extern char const* const single_opt_val;
extern char const* const display_alpha_opt;
extern char const* const display_alpha_descr;
extern char const* const display_alpha_off;
extern char const* const display_alpha_on;
/**
* \brief Example of a DisplayConfigurationPolicy that tries to find
* an opaque or transparent pixel format, or falls back to the default
* if not found.
*/
class PixelFormatSelector : public graphics::DisplayConfigurationPolicy
{
public:
PixelFormatSelector(std::shared_ptr<graphics::DisplayConfigurationPolicy> const& base_policy,
bool with_alpha);
virtual void apply_to(graphics::DisplayConfiguration& conf);
private:
std::shared_ptr<graphics::DisplayConfigurationPolicy> const base_policy;
bool const with_alpha;
};
void add_display_configuration_options_to(Server& server);
}
}
#endif /* MIR_EXAMPLE_DISPLAY_CONFIGURATION_POLICY_H_ */
|