Differential D1979 Diff 5533 plugins/dockers/histogram/histogramdockerwidget.h

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plugins/dockers/histogram/histogramdockerwidget.h

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		1		/*
		2		* Copyright (c) 2016 Eugene Ingerman <geneing at gmail dot com>
		3		*
		4		* This library is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU Lesser General Public License as published by
		6		* the Free Software Foundation; version 2.1 of the License.
		7		*
		8		* This library is distributed in the hope that it will be useful,
		9		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		10		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		11		* GNU Lesser General Public License for more details.
		12		*
		13		* You should have received a copy of the GNU Lesser General Public License
		14		* along with this program; if not, write to the Free Software
		15		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		16		*/
		17
		18
		19		#ifndef HISTOGRAMDOCKERWIDGET_H
		20		#define HISTOGRAMDOCKERWIDGET_H
		21
		22		#include <QObject>
		23		#include <QWidget>
		24		#include <QLabel>
		25		#include <QThread>
		26		#include "kis_types.h"
		27		#include <vector>
		28
		29		class KisCanvas2;
		30
		31		typedef std::vector<std::vector<quint32> > HistVector; //Don't use QVector here - it's too slow for this purpose
		32
		33
		34		class HistogramComputationThread : public QThread
		35		{
		36		Q_OBJECT
		37		public:
		38		HistogramComputationThread(KisPaintDeviceSP _dev, const QRect& _bounds) : m_dev(_dev), m_bounds(_bounds)
		39		{}
		40
		41		void run() Q_DECL_OVERRIDE;
		42
		43		Q_SIGNALS:
		44		void resultReady(HistVector*);
		45
		46		private:
		47		KisPaintDeviceSP m_dev;
		48		QRect m_bounds;
		49		HistVector bins;
		50		};
		51
		52
		53		class HistogramDockerWidget : public QLabel
		54		{
		55		Q_OBJECT
		56
		57		public:
		58		HistogramDockerWidget(QWidget parent = 0, const char name = 0, Qt::WindowFlags f = 0);
		59		~HistogramDockerWidget();
		60		void setPaintDevice(KisCanvas2* canvas);
		61		void paintEvent(QPaintEvent *event);
		62
		63		public Q_SLOTS:
		64		void updateHistogram();
		65		void receiveNewHistogram(HistVector*);
		66
		67		private:
		68		KisPaintDeviceSP m_paintDevice;
		69		HistVector m_histogramData;
		70		QRect m_bounds;
		71		bool m_smoothHistogram;
		72		};
		73
		74		#endif // HISTOGRAMDOCKERWIDGET_H