workspace/kwin/effects/showfps.h

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5 Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *********************************************************************/
  20
  21 #ifndef KWIN_SHOWFPS_H
  22 #define KWIN_SHOWFPS_H
  23
  24 #include <kwineffects.h>
  25 #include <kwinglutils.h>
  26
  27 #include <QDateTime>
  28
  29 namespace KWin
  30 {
  31
  32 class ShowFpsEffect
  33     : public Effect
  34     {
  35     public:
  36         ShowFpsEffect();
  37         virtual void reconfigure( ReconfigureFlags );
  38         virtual void prePaintScreen( ScreenPrePaintData& data, int time );
  39         virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data );
  40         virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
  41         virtual void postPaintScreen();
  42         enum { INSIDE_GRAPH, NOWHERE, TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT }; // fps text position
  43     private:
  44 #ifdef KWIN_HAVE_OPENGL_COMPOSITING
  45         void paintGL( int fps );
  46 #endif
  47 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
  48         void paintXrender( int fps );
  49 #endif
  50         void paintFPSGraph(int x, int y);
  51         void paintDrawSizeGraph(int x, int y);
  52         void paintGraph( int x, int y, QList<int> values, QList<int> lines, bool colorize);
  53         void paintFPSText(int fps);
  54         QTime t;
  55         enum { NUM_PAINTS = 100 }; // remember time needed to paint this many paints
  56         int paints[ NUM_PAINTS ]; // time needed to paint
  57         int paint_size[ NUM_PAINTS ]; // number of pixels painted
  58         int paints_pos;  // position in the queue
  59         enum { MAX_FPS = 200 };
  60         int frames[ MAX_FPS ]; // (sec*1000+msec) of the time the frame was done
  61         int frames_pos; // position in the queue
  62         double alpha;
  63         int x;
  64         int y;
  65         QRect fps_rect;
  66 #ifdef KWIN_HAVE_OPENGL_COMPOSITING
  67         GLTexture *fpsText;
  68 #endif
  69         int textPosition;
  70         QFont textFont;
  71         QColor textColor;
  72         QRect fpsTextRect;
  73         int textAlign;
  74     };
  75
  76 } // namespace
  77
  78 #endif