jfmcarreira
17dbd59338
Update copyrights to 2019 Minor code formating while passing formating script to all files
153 lines
4.2 KiB
C++
153 lines
4.2 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2019 by Joao Carreira (jfmcarreira@gmail.com)
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* Luis Lucas (luisfrlucas@gmail.com)
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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
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* GNU 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file HistogramWidget.h
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* \brief Function to show image histogram
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* Based on the work of Ricardo N. Rocha Sardo in SCode project
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*/
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#ifndef __HISTOGRAMWIDGET_H__
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#define __HISTOGRAMWIDGET_H__
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#include "CommonDefs.h"
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#include "config.h"
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#include "lib/CalypFrame.h"
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#include <QColor>
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#include <QWidget>
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class QEvent;
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class HistogramWorker;
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class HistogramWidgetPrivate;
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class HistogramWidget : public QWidget
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{
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Q_OBJECT
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public:
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enum HistogramScale
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{
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/** Linear scale */
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LinScaleHistogram = 0,
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/** Logarithmic scale */
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LogScaleHistogram
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};
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enum HistogramRendering
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{
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/** Full image histogram rendering */
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FullImageHistogram = 0,
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/** Image selection histogram rendering */
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ImageSelectionHistogram
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};
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enum HistogramOption
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{
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/** Blink the histogram area during histogram computation */
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BlinkComputation = 0x1,
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/** Show image statistics in tooltip */
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ShowStatistics = 0x2,
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/** It allows the user to select an area of the histograma */
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SelectMode = 0x4,
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/** Show the luminosity channel when applied */
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ShowLumaChannel = 0x8,
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/** Set all the options */
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AllOptions = BlinkComputation | ShowStatistics | SelectMode | ShowLumaChannel
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};
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Q_DECLARE_FLAGS( HistogramOptions, HistogramOption )
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public:
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/**
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* Constructor without image data. Needed to use @p updateData() method
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* after to create instance.
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* @param width of the widget
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* @param height of the widget
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* @param parent the histogram widget parent
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*/
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HistogramWidget( int width, int height, QWidget* parent = 0 );
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~HistogramWidget();
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/** Stop current histogram computations.*/
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void stopHistogramComputation();
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/** Update full image histogram data. */
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void updateData( CalypFrame* pcFrame, CalypFrame* pcFrameSelection );
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/** @see @p HistogramOption */
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void setOptions( HistogramOptions options = AllOptions );
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void setDataLoading();
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void setLoadingSkipped();
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void setLoadingFailed();
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void setHistogramGuideByColor( QColor color );
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void reset();
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public:
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/** Channel type to draw */
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int m_channelType;
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/** Scale to use for drawing */
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int m_scaleType;
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/** Color to use for drawing in All Colors Channel mode */
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int m_colorType;
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/** Using full image or image selection for histogram rendering */
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int m_renderingType;
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/** Full image */
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HistogramWorker* m_imageWorker;
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// CalypFrameStats* m_imageHistogram;
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CalypFrame* m_fullImage;
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/** Histogram area selection */
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HistogramWorker* m_selectionWorker;
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// CalypFrameStats* m_selectionHistogram;
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CalypFrame* m_selectionImage;
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Q_SIGNALS:
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void signalintervalChanged( int min, int max );
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void signalMaximumValueChanged( int );
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void signalHistogramComputationDone( int );
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void signalHistogramComputationFailed( void );
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public Q_SLOTS:
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void slotMinValueChanged( int min );
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void slotMaxValueChanged( int max );
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protected slots:
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void slotBlinkTimerDone( void );
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protected:
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void paintEvent( QPaintEvent* );
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void mousePressEvent( QMouseEvent* e );
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void mouseReleaseEvent( QMouseEvent* e );
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void mouseMoveEvent( QMouseEvent* e );
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private:
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void customEvent( QEvent* event );
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void notifyValuesChanged();
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private:
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HistogramWidgetPrivate* d;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS( HistogramWidget::HistogramOptions )
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#endif // __HISTOGRAMWIDGET_H__
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