JeVois  1.17
JeVois Smart Embedded Machine Vision Toolkit
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VideoDisplayBackendX11.H
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1 // ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2 //
3 // JeVois Smart Embedded Machine Vision Toolkit - Copyright (C) 2020 by Laurent Itti, the University of Southern
4 // California (USC), and iLab at USC. See http://iLab.usc.edu and http://jevois.org for information about this project.
5 //
6 // This file is part of the JeVois Smart Embedded Machine Vision Toolkit. This program is free software; you can
7 // redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software
8 // Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
9 // without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
10 // License for more details. You should have received a copy of the GNU General Public License along with this program;
11 // if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
12 //
13 // Contact information: Laurent Itti - 3641 Watt Way, HNB-07A - Los Angeles, CA 90089-2520 - USA.
14 // Tel: +1 213 740 3527 - itti@pollux.usc.edu - http://iLab.usc.edu - http://jevois.org
15 // ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
16 /*! \file */
17 
18 #pragma once
19 
20 #ifdef JEVOIS_HOST_PRO
21 
23 
24 namespace jevois
25 {
26  //! Backend for VideoDisplay on JeVois-Pro host using X11
27  /*! This class provides an interface used by VideoDisplayGL using X11+OpenGL-ES 3.2 (to be used on JeVois-Pro host)
28  \ingroup core */
29  class VideoDisplayBackendX11 : public VideoDisplayBackend
30  {
31  public:
32  //! Constructor
33  VideoDisplayBackendX11();
34 
35  //! Virtual destructor for safe inheritance, free resources
36  virtual ~VideoDisplayBackendX11();
37 
38  //! Initialize the underlying engine that will process events, create windows, etc
39  /*! The init starts with the given initial window/framebuffer size. */
40  virtual void init(unsigned short w, unsigned short h, bool fullscreen) override;
41 
42  //! Un-initialize the underlying engine, close windows, etc
43  virtual void uninit() override;
44 
45  //! Poll events such as mouse movements, buttons, keyboard, joystick, and pass to VideoDisplay
46  /*! Returns true if some events were received, which can be used to turn on mouse pointer and GUI. */
47  virtual bool pollEvents(bool & shouldclose) override;
48 
49  protected:
50  // On host, use an X11 window:
51  Display *itsX11display = nullptr;
52  Window itsWindow = 0;
53  };
54 
55 } // namespace jevois
56 
57 #endif // JEVOIS_HOST_PRO
VideoDisplayBackend.H
jevois
Definition: Concepts.dox:1
h
int h
Definition: GUIhelper.C:2157