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103 lines
3.2 KiB
103 lines
3.2 KiB
/* |
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* Copyright © 2010 Fredrik Höglund <fredrik@kde.org> |
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* Copyright 2014 Marco Martin <mart@kde.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; see the file COPYING. if not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#ifndef CONTRAST_H |
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#define CONTRAST_H |
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#include <kwineffects.h> |
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#include <kwinglplatform.h> |
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#include <kwinglutils.h> |
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#include <QVector> |
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#include <QVector2D> |
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namespace KWayland |
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{ |
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namespace Server |
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{ |
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class ContrastManagerInterface; |
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} |
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} |
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namespace KWin |
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{ |
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class ContrastShader; |
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class ContrastEffect : public KWin::Effect |
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{ |
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Q_OBJECT |
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public: |
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ContrastEffect(); |
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~ContrastEffect(); |
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static bool supported(); |
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static bool enabledByDefault(); |
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static QMatrix4x4 colorMatrix(qreal contrast, qreal intensity, qreal saturation); |
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void reconfigure(ReconfigureFlags flags); |
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void prePaintScreen(ScreenPrePaintData &data, int time); |
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void prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time); |
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void drawWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data); |
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void paintEffectFrame(EffectFrame *frame, QRegion region, double opacity, double frameOpacity); |
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virtual bool provides(Feature feature); |
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int requestedEffectChainPosition() const override { |
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return 76; |
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} |
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public Q_SLOTS: |
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void slotWindowAdded(KWin::EffectWindow *w); |
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void slotWindowDeleted(KWin::EffectWindow *w); |
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void slotPropertyNotify(KWin::EffectWindow *w, long atom); |
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void slotScreenGeometryChanged(); |
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private: |
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QRegion contrastRegion(const EffectWindow *w) const; |
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bool shouldContrast(const EffectWindow *w, int mask, const WindowPaintData &data) const; |
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void updateContrastRegion(EffectWindow *w) const; |
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void doContrast(const QRegion &shape, const QRect &screen, const float opacity, const QMatrix4x4 &screenProjection); |
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void uploadRegion(QVector2D *&map, const QRegion ®ion); |
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void uploadGeometry(GLVertexBuffer *vbo, const QRegion ®ion); |
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private: |
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ContrastShader *shader; |
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long net_wm_contrast_region; |
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QRegion m_paintedArea; // actually painted area which is greater than m_damagedArea |
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QRegion m_currentContrast; // keeps track of the currently contrasted area of non-caching windows(from bottom to top) |
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QHash< const EffectWindow*, QMetaObject::Connection > m_contrastChangedConnections; // used only in Wayland to keep track of effect changed |
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KWayland::Server::ContrastManagerInterface *m_contrastManager = nullptr; |
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}; |
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inline |
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bool ContrastEffect::provides(Effect::Feature feature) |
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{ |
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if (feature == Contrast) { |
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return true; |
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} |
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return KWin::Effect::provides(feature); |
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} |
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} // namespace KWin |
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#endif |
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