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26	namespace KWin	26	namespace KWin
27	{	27	{
28		28
29	class ShowPaintEffect : public Effect	29	class ShowPaintEffect : public Effect
30	{	30	{
31	Q_OBJECT	31	Q_OBJECT
32		32
33	public:	33	public:
		34	ShowPaintEffect();
		35
34	void paintScreen(int mask, QRegion region, ScreenPaintData &data) override;	36	void paintScreen(int mask, QRegion region, ScreenPaintData &data) override;
35	void paintWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data) override;	37	void paintWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data) override;
36		38
		39	bool isActive() const override;
		40
		41	private Q_SLOTS:
		42	void toggle();
		43
37	private:	44	private:
38	void paintGL(const QMatrix4x4 &projection);	45	void paintGL(const QMatrix4x4 &projection);
39	void paintXrender();	46	void paintXrender();
40	void paintQPainter();	47	void paintQPainter();
41		48
		49	bool m_active = false;
42	QRegion m_painted; // what's painted in one pass	50	QRegion m_painted; // what's painted in one pass
43	int m_colorIndex = 0;	51	int m_colorIndex = 0;
44	};	52	};
45		53
46	} // namespace KWin	54	} // namespace KWin
47		55
48	#endif	56	#endif