kwin/effects/showfps.h
Luboš Luňák 4efa523375 A simple attempt at a showfps effect. OpenGL-only, only lame graphs,
still many TODO's.


svn path=/branches/work/kwin_composite/; revision=605497
2006-11-16 22:46:14 +00:00

44 lines
1.3 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
// TODO MIT or some other licence, perhaps move to some lib
#ifndef KWIN_SHOWFPS_H
#define KWIN_SHOWFPS_H
#include <effects.h>
#include <qdatetime.h>
namespace KWinInternal
{
class ShowFpsEffect
: public Effect
{
public:
ShowFpsEffect( Workspace* ws );
virtual void prePaintScreen( int* mask, QRegion* region, int time );
virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data );
virtual void postPaintScreen();
private:
Workspace* wspace;
QTime t;
enum { NUM_PAINTS = 100 }; // remember time needed to paint this many paints
int paints[ NUM_PAINTS ]; // time needed to paint
int paints_pos; // position in the queue
enum { MAX_FPS = 200 };
int frames[ MAX_FPS ]; // (sec*1000+msec) of the time the frame was done
int frames_pos; // position in the queue
};
} // namespace
#endif