workspace/kwin/effects/invert.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
   6 Copyright (C) 2008 Lucas Murray <lmurray@undefinedfire.com>
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 *********************************************************************/
  21
  22 #ifndef KWIN_INVERT_H
  23 #define KWIN_INVERT_H
  24
  25 #include <kwineffects.h>
  26
  27 namespace KWin
  28 {
  29
  30 class GLShader;
  31
  32 /**
  33  * Inverts desktop's colors
  34  **/
  35 class InvertEffect
  36     : public QObject, public Effect
  37     {
  38     Q_OBJECT
  39     public:
  40         InvertEffect();
  41         ~InvertEffect();
  42
  43         virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
  44         virtual void windowClosed( EffectWindow* w );
  45
  46     public slots:
  47         void toggle();
  48         void toggleWindow();
  49
  50     protected:
  51         bool loadData();
  52
  53     private:
  54         bool m_inited;
  55         bool m_valid;
  56         GLShader* m_shader;
  57         bool m_allWindows;
  58         QList<EffectWindow*> m_windows;
  59     };
  60
  61 } // namespace
  62
  63 #endif