Differential D5249 Diff 12989 effects/projector/projector.h

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effects/projector/projector.h

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		1		/********************************************************************
		2		KWin - the KDE window manager
		3		This file is part of the KDE project.
		4
		5		Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
		6		Copyright (C) 2008 Lucas Murray <lmurray@undefinedfire.com>
		7		Copyright (C) 2017 Krzysztof Nowicki <krissn@op.pl>
		8
		9		This program is free software; you can redistribute it and/or modify
		10		it under the terms of the GNU General Public License as published by
		11		the Free Software Foundation; either version 2 of the License, or
		12		(at your option) any later version.
		13
		14		This program is distributed in the hope that it will be useful,
		15		but WITHOUT ANY WARRANTY; without even the implied warranty of
		16		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		17		GNU General Public License for more details.
		18
		19		You should have received a copy of the GNU General Public License
		20		along with this program. If not, see <http://www.gnu.org/licenses/>.
		21		*********************************************************************/
		22
		23		#ifndef KWIN_PROJECTOR_H
		24		#define KWIN_PROJECTOR_H
		25
		26		#include <QGenericMatrix>
		27		#include <kwineffects.h>
		28
		29		namespace KWin
		30		{
		31
		32		class GLTexture;
		33
		34		/**
		35		* Transforms an output to correct for projector misalignment
		36		**/
		37		class ProjectorEffect
		38		: public Effect
		39		{
		40		Q_OBJECT
		41		Q_CLASSINFO("D-Bus Interface", "org.kde.kwin.ProjectorEffect")
		42		public:
		43		ProjectorEffect();
		44		~ProjectorEffect();
		45
		46		virtual void drawWindow(EffectWindow* w, int mask, QRegion region,
		47		WindowPaintData& data) Q_DECL_OVERRIDE;
		48		virtual void prePaintScreen(ScreenPrePaintData &data, int time) Q_DECL_OVERRIDE;
		49		virtual void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, int time) Q_DECL_OVERRIDE;
		50		virtual void paintScreen(int mask, QRegion region, ScreenPaintData& data) Q_DECL_OVERRIDE;
		51		virtual bool isActive() const Q_DECL_OVERRIDE;
		52
		53		static bool supported();
		54
		55		public Q_SLOTS:
		56		bool setScreenTranslation(const QString &screen, const QList<double> &corners);
		57
		58		private Q_SLOTS:
		59		void slotScreenGeometryChanged(const QSize &size);
		60		void slotMouseChanged(const QPoint& pos, const QPoint& old,
		61		Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
		62		Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
		63		private:
		64		QPointF translatePoint(float x, float y, const QMatrix3x3 &mat/const QRect &screenRect/) const;
		65		static QMatrix3x3 calculateTransform(const QPolygonF &quad, const QRect &screenRect);
		66		void recreateTexture();
		67
		68		struct ScreenData {
		69		QString id;
		70		int number;
		71		QPolygonF quad;
		72		QMatrix3x3 transMatrix;
		73		QRect rect;
		74		};
		75
		76		QVector<ScreenData> m_screenData;
		77		QRegion m_transformedRegion;
		78		QScopedPointer<GLTexture> m_cursorTexture;
		79		QSize m_cursorSize;
		80		QPoint m_cursorHotSpot;
		81		QPoint m_cursorPos;
		82		bool m_cursorVisible;
		83		};
		84
		85		} // namespace
		86
		87		#endif