factory.hpp
1.17 KB
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
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#ifndef OPENCV_UI_FACTORY_HPP
#define OPENCV_UI_FACTORY_HPP
#include "backend.hpp"
namespace cv { namespace highgui_backend {
class IUIBackendFactory
{
public:
virtual ~IUIBackendFactory() {}
virtual std::shared_ptr<cv::highgui_backend::UIBackend> create() const = 0;
};
class StaticBackendFactory CV_FINAL: public IUIBackendFactory
{
protected:
std::function<std::shared_ptr<cv::highgui_backend::UIBackend>(void)> create_fn_;
public:
StaticBackendFactory(std::function<std::shared_ptr<cv::highgui_backend::UIBackend>(void)>&& create_fn)
: create_fn_(create_fn)
{
// nothing
}
~StaticBackendFactory() CV_OVERRIDE {}
std::shared_ptr<cv::highgui_backend::UIBackend> create() const CV_OVERRIDE
{
return create_fn_();
}
};
//
// PluginUIBackendFactory is implemented in plugin_wrapper
//
std::shared_ptr<IUIBackendFactory> createPluginUIBackendFactory(const std::string& baseName);
}} // namespace
#endif // OPENCV_UI_FACTORY_HPP