Differential D10708 Diff 27699 src/context/applets/analyzer/plugin/BlockWorker.h

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src/context/applets/analyzer/plugin/BlockWorker.h

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		1		/****************************************************************************************
		2		* Copyright (c) 2017 Malte Veerman <malte.veerman@gmail.com> *
		3		* *
		4		* This program is free software; you can redistribute it and/or modify it under *
		5		* the terms of the GNU General Public License as published by the Free Software *
		6		* Foundation; either version 2 of the License, or (at your option) any later *
		7		* version. *
		8		* *
		9		* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
		10		* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
		11		* PARTICULAR PURPOSE. See the GNU General Pulic License for more details. *
		12		* *
		13		* You should have received a copy of the GNU General Public License along with *
		14		* this program. If not, see <http://www.gnu.org/licenses/>. *
		15		****************************************************************************************/
		16
		17		#ifndef BLOCKWORKER_H
		18		#define BLOCKWORKER_H
		19
		20		#include "AnalyzerWorker.h"
		21
		22		#include <QMutex>
		23		#include <QTime>
		24		#include <QVector>
		25
		26
		27		class BlockWorker : public Analyzer::Worker
		28		{
		29		friend class BlockRenderer;
		30
		31		Q_OBJECT
		32
		33		public:
		34		BlockWorker( int rows, int columns, qreal step, bool showFadebars );
		35
		36		void setStep( qreal step ) { m_step = step; }
		37		void setRows( int rows );
		38		void setColumns( int columns );
		39		void setRefreshRate( qreal refreshRate ) { m_refreshTime = std::floor( 1000.0 / refreshRate ); }
		40		void setShowFadebars( bool showFadebars ) { m_showFadebars = showFadebars; }
		41
		42		signals:
		43		void finished();
		44
		45		protected:
		46		void analyze() Q_DECL_OVERRIDE;
		47
		48		private:
		49		struct Fadebar
		50		{
		51		int y;
		52		qreal intensity;
		53		Fadebar()
		54		{
		55		y = 0;
		56		intensity = 0.0;
		57		}
		58		Fadebar( int y, qreal intensity )
		59		{
		60		this->y = y;
		61		this->intensity = intensity;
		62		}
		63		};
		64		mutable QMutex m_mutex; //used to lock m_store and m_fadebars
		65		QVector<double> m_store; //current bar heights
		66		QVector<double> m_yscale;
		67		QVector<QList<Fadebar> > m_fadebars;
		68		qreal m_step;
		69		int m_rows;
		70		int m_columns;
		71		int m_refreshTime;
		72		bool m_showFadebars;
		73		QTime m_lastUpdate;
		74		};
		75
		76		#endif //BLOCKWORKER_H