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compositing_criteria.h
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1 /*
2  * Copyright © 2013 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Kevin DuBois <kevin.dubois@canonical.com>
17  */
18 
19 #ifndef MIR_COMPOSITOR_COMPOSITING_CRITERIA_H_
20 #define MIR_COMPOSITOR_COMPOSITING_CRITERIA_H_
21 
22 #include <glm/glm.hpp>
23 
24 namespace mir
25 {
26 namespace geometry
27 {
28 struct Rectangle;
29 }
30 namespace compositor
31 {
32 
34 {
35 public:
36  virtual float alpha() const = 0;
37  virtual glm::mat4 const& transformation() const = 0;
38  virtual bool should_be_rendered_in(geometry::Rectangle const& rect) const = 0;
39  virtual bool shaped() const = 0; // meaning the pixel format has alpha
40 
41  virtual ~CompositingCriteria() = default;
42 
43 protected:
44  CompositingCriteria() = default;
47 };
48 
49 }
50 }
51 
52 #endif /* MIR_COMPOSITOR_COMPOSITING_CRITERIA_H_ */

Copyright © 2012,2013 Canonical Ltd.
Generated on Tue Oct 15 00:23:28 UTC 2013