138 lines
3.4 KiB
C++
138 lines
3.4 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014 by Luis Lucas (luisfrlucas@gmail.com)
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* Joao Carreira (jfmcarreira@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 PlaYUVerFrameStatistics.h
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* \brief Measure PlaYUVerFrame statistics
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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 __PLAYUVERFRAMESTATISTICS_H_
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#define __PLAYUVERFRAMESTATISTICS_H_
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#include <QThread>
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#include "lib/PlaYUVerFrame.h"
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#include "lib/PlaYUVerDefs.h"
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class QObject;
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namespace plaYUVer
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{
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class PlaYUVerFrameStatisticsPrivate;
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/**
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* Esta classe permite obter o histograma de uma imagem assim como algumas
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* estatísticas.
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*/
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class PlaYUVerFrameStatistics: public QThread
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{
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public:
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enum StatisticsChannel
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{
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LumaChannel = 0,
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RedChannel = 1,
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GreenChannel = 2,
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BlueChannel = 3,
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AlphaChannel = 4,
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YChannel = 1,
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CbChannel = 2,
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CrChannel = 3
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};
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enum Options
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{
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CalcLumaWhenRGB = 0
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};
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/**
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* Custom Event
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*/
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class EventData: public QEvent
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{
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public:
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EventData() :
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QEvent( QEvent::User )
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{
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starting = false;
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success = false;
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histogram = 0;
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}
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bool starting;
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bool success;
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PlaYUVerFrameStatistics *histogram;
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};
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public:
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PlaYUVerFrameStatistics( Pel ***data, UInt width, UInt height, Int bitsPerChannel, Int pixel_format, UInt chroma_size,
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QObject *parent = 0, Options options = CalcLumaWhenRGB );
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PlaYUVerFrameStatistics( const PlaYUVerFrame *playuver_frame, QObject *parent = 0, Options options = CalcLumaWhenRGB );
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~PlaYUVerFrameStatistics();
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void setup( Pel ***data, UInt width, UInt height, Int bitsPerChannel, Int colorSpace, UInt chroma_size, QObject *parent = 0, Options options = CalcLumaWhenRGB );
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/** Method to stop threaded computations.*/
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void stopCalcHistogramValues( void );
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// Methods for to manipulate the histogram data.
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double getCount( int channel, int start, int end );
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double getMean( int channel, int start, int end );
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/**
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* @return Number of image pixels
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*/
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double getPixels();
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double getStdDev( int channel, int start, int end );
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double getValue( int channel, int bin );
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double getMaximum( int channel );
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/**
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* @return Number of histogram segments: 256 or 65536 for 8 or 16 bits per
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* sample.
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*/
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int getHistogramSegment( void );
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int getMedian( int channel, int start, int end );
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private:
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PlaYUVerFrameStatisticsPrivate *d;
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private:
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int getRealHistoChannel( int channel );
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void calcHistogramValues();
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void postProgress( bool starting, bool success );
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protected:
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virtual void run();
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};
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} // NAMESPACE
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#endif // __PLAYUVERFRAMESTATISTICS_H_
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