173 lines
3.8 KiB
C++
173 lines
3.8 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_ABSTRACT_OUTPUT_H
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#define KWIN_ABSTRACT_OUTPUT_H
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#include <kwin_export.h>
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#include <QObject>
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#include <QRect>
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#include <QSize>
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#include <QVector>
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namespace KWaylandServer
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{
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class OutputChangeSet;
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}
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namespace KWin
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{
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class KWIN_EXPORT GammaRamp
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{
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public:
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GammaRamp(uint32_t size);
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/**
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* Returns the size of the gamma ramp.
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*/
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uint32_t size() const;
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/**
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* Returns pointer to the first red component in the gamma ramp.
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*
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* The returned pointer can be used for altering the red component
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* in the gamma ramp.
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*/
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uint16_t *red();
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/**
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* Returns pointer to the first red component in the gamma ramp.
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*/
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const uint16_t *red() const;
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/**
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* Returns pointer to the first green component in the gamma ramp.
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*
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* The returned pointer can be used for altering the green component
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* in the gamma ramp.
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*/
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uint16_t *green();
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/**
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* Returns pointer to the first green component in the gamma ramp.
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*/
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const uint16_t *green() const;
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/**
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* Returns pointer to the first blue component in the gamma ramp.
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*
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* The returned pointer can be used for altering the blue component
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* in the gamma ramp.
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*/
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uint16_t *blue();
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/**
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* Returns pointer to the first blue component in the gamma ramp.
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*/
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const uint16_t *blue() const;
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private:
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QVector<uint16_t> m_table;
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uint32_t m_size;
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};
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/**
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* Generic output representation.
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*/
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class KWIN_EXPORT AbstractOutput : public QObject
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{
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Q_OBJECT
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public:
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explicit AbstractOutput(QObject *parent = nullptr);
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~AbstractOutput() override;
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/**
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* Returns a short identifiable name of this output.
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*/
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virtual QString name() const = 0;
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/**
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* Returns the identifying uuid of this output.
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*
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* Default implementation returns an empty byte array.
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*/
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virtual QByteArray uuid() const;
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/**
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* Enable or disable the output.
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*
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* Default implementation does nothing
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*/
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virtual void setEnabled(bool enable);
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/**
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* This sets the changes and tests them against the specific output.
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*
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* Default implementation does nothing
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*/
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virtual void applyChanges(const KWaylandServer::OutputChangeSet *changeSet);
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/**
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* Returns geometry of this output in device independent pixels.
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*/
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virtual QRect geometry() const = 0;
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/**
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* Returns the approximate vertical refresh rate of this output, in mHz.
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*/
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virtual int refreshRate() const = 0;
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/**
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* Returns whether this output is connected through an internal connector,
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* e.g. LVDS, or eDP.
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*
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* Default implementation returns @c false.
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*/
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virtual bool isInternal() const;
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/**
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* Returns the ratio between physical pixels and logical pixels.
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*
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* Default implementation returns 1.
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*/
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virtual qreal scale() const;
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/**
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* Returns the physical size of this output, in millimeters.
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*
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* Default implementation returns an invalid QSize.
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*/
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virtual QSize physicalSize() const;
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/**
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* Returns the size of the gamma lookup table.
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*
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* Default implementation returns 0.
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*/
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virtual int gammaRampSize() const;
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/**
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* Sets the gamma ramp of this output.
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*
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* Returns @c true if the gamma ramp was successfully set.
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*/
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virtual bool setGammaRamp(const GammaRamp &gamma);
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/** Returns the resolution of the output. */
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virtual QSize pixelSize() const = 0;
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private:
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Q_DISABLE_COPY(AbstractOutput)
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};
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} // namespace KWin
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#endif
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