kwin/effects/showfps/showfps.h
2020-08-07 19:57:56 +00:00

98 lines
2.7 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_SHOWFPS_H
#define KWIN_SHOWFPS_H
#include <QElapsedTimer>
#include <QFont>
#include <kwineffects.h>
namespace KWin
{
class GLTexture;
class ShowFpsEffect
: public Effect
{
Q_OBJECT
Q_PROPERTY(qreal alpha READ configuredAlpha)
Q_PROPERTY(int x READ configuredX)
Q_PROPERTY(int y READ configuredY)
Q_PROPERTY(QRect fpsTextRect READ configuredFpsTextRect)
Q_PROPERTY(int textAlign READ configuredTextAlign)
Q_PROPERTY(QFont textFont READ configuredTextFont)
Q_PROPERTY(QColor textColor READ configuredTextColor)
public:
ShowFpsEffect();
void reconfigure(ReconfigureFlags) override;
void prePaintScreen(ScreenPrePaintData& data, int time) override;
void paintScreen(int mask, const QRegion &region, ScreenPaintData& data) override;
void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data) override;
void postPaintScreen() override;
enum { INSIDE_GRAPH, NOWHERE, TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT }; // fps text position
// for properties
qreal configuredAlpha() const {
return alpha;
}
int configuredX() const {
return x;
}
int configuredY() const {
return y;
}
QRect configuredFpsTextRect() const {
return fpsTextRect;
}
int configuredTextAlign() const {
return textAlign;
}
QFont configuredTextFont() const {
return textFont;
}
QColor configuredTextColor() const {
return textColor;
}
private:
void paintGL(int fps, const QMatrix4x4 &projectionMatrix);
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
void paintXrender(int fps);
#endif
void paintQPainter(int fps);
void paintFPSGraph(int x, int y);
void paintDrawSizeGraph(int x, int y);
void paintGraph(int x, int y, QList<int> values, QList<int> lines, bool colorize);
QImage fpsTextImage(int fps);
QElapsedTimer t;
enum { NUM_PAINTS = 100 }; // remember time needed to paint this many paints
int paints[ NUM_PAINTS ]; // time needed to paint
int paint_size[ NUM_PAINTS ]; // number of pixels painted
int paints_pos; // position in the queue
enum { MAX_FPS = 200 };
qint64 frames[ MAX_FPS ]; // the time when the frame was done
int frames_pos; // position in the queue
double alpha;
int x;
int y;
QRect fps_rect;
QScopedPointer<GLTexture> fpsText;
int textPosition;
QFont textFont;
QColor textColor;
QRect fpsTextRect;
int textAlign;
QScopedPointer<EffectFrame> m_noBenchmark;
};
} // namespace
#endif