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https://github.com/OPM/ResInsight.git
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Rename ApplicationCode to ApplicationLibCode
This commit is contained in:
Gaute Lindkvist
401
ApplicationLibCode/UserInterface/RiuQwtPlotCurve.cpp
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401
ApplicationLibCode/UserInterface/RiuQwtPlotCurve.cpp
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/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2015- Statoil ASA
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// Copyright (C) 2015- Ceetron Solutions AS
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//
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// ResInsight 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 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RiuQwtPlotCurve.h"
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#include "RiaCurveDataTools.h"
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#include "RiaImageTools.h"
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#include "RiaTimeTTools.h"
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#include "RiuQwtSymbol.h"
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#include "qwt_date.h"
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#include "qwt_interval_symbol.h"
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#include "qwt_painter.h"
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#include "qwt_point_mapper.h"
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#include "qwt_scale_map.h"
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#include "qwt_symbol.h"
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#include <limits>
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//--------------------------------------------------------------------------------------------------
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/// Internal constants
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//--------------------------------------------------------------------------------------------------
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#define DOUBLE_INF std::numeric_limits<double>::infinity()
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuQwtPlotCurve::RiuQwtPlotCurve( const QString& title )
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: QwtPlotCurve( title )
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{
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this->setLegendAttribute( QwtPlotCurve::LegendShowLine, true );
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this->setLegendAttribute( QwtPlotCurve::LegendShowSymbol, true );
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this->setLegendAttribute( QwtPlotCurve::LegendShowBrush, true );
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this->setRenderHint( QwtPlotItem::RenderAntialiased, true );
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m_symbolSkipPixelDistance = 10.0f;
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m_blackAndWhiteLegendIcon = false;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuQwtPlotCurve::~RiuQwtPlotCurve()
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setSamplesFromXValuesAndYValues( const std::vector<double>& xValues,
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const std::vector<double>& yValues,
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bool keepOnlyPositiveValues )
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{
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computeValidIntervalsAndSetCurveData( xValues, yValues, keepOnlyPositiveValues );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setSamplesFromDatesAndYValues( const std::vector<QDateTime>& dateTimes,
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const std::vector<double>& yValues,
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bool keepOnlyPositiveValues )
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{
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auto xValues = RiuQwtPlotCurve::fromQDateTime( dateTimes );
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computeValidIntervalsAndSetCurveData( xValues, yValues, keepOnlyPositiveValues );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setSamplesFromTimeTAndYValues( const std::vector<time_t>& dateTimes,
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const std::vector<double>& yValues,
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bool keepOnlyPositiveValues )
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{
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auto xValues = RiuQwtPlotCurve::fromTime_t( dateTimes );
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computeValidIntervalsAndSetCurveData( xValues, yValues, keepOnlyPositiveValues );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::drawCurve( QPainter* p,
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int style,
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const QwtScaleMap& xMap,
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const QwtScaleMap& yMap,
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const QRectF& canvasRect,
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int from,
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int to ) const
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{
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size_t intervalCount = m_polyLineStartStopIndices.size();
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if ( intervalCount > 0 )
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{
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for ( size_t intIdx = 0; intIdx < intervalCount; intIdx++ )
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{
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if ( m_polyLineStartStopIndices[intIdx].first == m_polyLineStartStopIndices[intIdx].second )
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{
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// Use a symbol to draw a single value, as a single value will not be visible
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// when using QwtPlotCurve::drawCurve without symbols activated
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QwtSymbol symbol( QwtSymbol::XCross );
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symbol.setSize( 10, 10 );
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QwtPlotCurve::drawSymbols( p,
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symbol,
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xMap,
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yMap,
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canvasRect,
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(int)m_polyLineStartStopIndices[intIdx].first,
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(int)m_polyLineStartStopIndices[intIdx].second );
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}
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else
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{
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QwtPlotCurve::drawCurve( p,
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style,
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xMap,
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yMap,
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canvasRect,
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(int)m_polyLineStartStopIndices[intIdx].first,
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(int)m_polyLineStartStopIndices[intIdx].second );
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}
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}
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}
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else
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{
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QwtPlotCurve::drawCurve( p, style, xMap, yMap, canvasRect, from, to );
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}
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};
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//--------------------------------------------------------------------------------------------------
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/// Drawing symbols but skipping if they are to close to the previous one
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::drawSymbols( QPainter* painter,
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const QwtSymbol& symbol,
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const QwtScaleMap& xMap,
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const QwtScaleMap& yMap,
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const QRectF& canvasRect,
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int from,
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int to ) const
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{
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QwtPointMapper mapper;
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bool filterSymbols = m_symbolSkipPixelDistance > 0;
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if ( filterSymbols )
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{
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mapper.setFlag( QwtPointMapper::RoundPoints, QwtPainter::roundingAlignment( painter ) );
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mapper.setFlag( QwtPointMapper::WeedOutPoints, testPaintAttribute( QwtPlotCurve::FilterPoints ) );
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mapper.setBoundingRect( canvasRect );
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}
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const QPolygonF points = mapper.toPointsF( xMap, yMap, data(), from, to );
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int pointCount = points.size();
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QPolygonF pointsToDisplay;
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if ( filterSymbols )
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{
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QPointF lastDrawnSymbolPos;
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if ( pointCount > 0 )
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{
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pointsToDisplay.push_back( points[0] );
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lastDrawnSymbolPos = points[0];
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}
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float sqSkipDist = m_symbolSkipPixelDistance * m_symbolSkipPixelDistance;
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float sqSkipToLastDiff = m_symbolSkipPixelDistance / 10 * m_symbolSkipPixelDistance / 10;
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for ( int pIdx = 1; pIdx < pointCount - 1; ++pIdx )
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{
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QPointF diff = points[pIdx] - lastDrawnSymbolPos;
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float sqDistBetweenSymbols = diff.x() * diff.x() + diff.y() * diff.y();
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if ( sqDistBetweenSymbols > sqSkipDist )
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{
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if ( pIdx == pointCount - 2 )
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{
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QPointF diffToBack = points.back() - points[pIdx];
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float sqDistToBack = diffToBack.x() * diffToBack.x() + diffToBack.y() * diffToBack.y();
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if ( sqDistToBack < sqSkipToLastDiff ) continue;
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}
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pointsToDisplay.push_back( points[pIdx] );
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lastDrawnSymbolPos = points[pIdx];
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}
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}
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if ( pointCount > 1 ) pointsToDisplay.push_back( points.back() );
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}
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else
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{
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pointsToDisplay = points;
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}
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if ( pointsToDisplay.size() > 0 )
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{
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symbol.drawSymbols( painter, pointsToDisplay );
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const RiuQwtSymbol* sym = dynamic_cast<const RiuQwtSymbol*>( &symbol );
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if ( sym )
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{
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if ( m_perPointLabels.size() == static_cast<size_t>( pointsToDisplay.size() ) )
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{
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for ( int i = 0; i < pointsToDisplay.size(); ++i )
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{
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sym->renderSymbolLabel( painter, pointsToDisplay[i], m_perPointLabels[i] );
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}
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}
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else if ( !sym->globalLabel().isEmpty() )
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{
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for ( auto& pt : pointsToDisplay )
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{
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sym->renderSymbolLabel( painter, pt, sym->globalLabel() );
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}
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}
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setLineSegmentStartStopIndices( const std::vector<std::pair<size_t, size_t>>& lineSegmentStartStopIndices )
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{
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m_polyLineStartStopIndices = lineSegmentStartStopIndices;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setSymbolSkipPixelDistance( float distance )
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{
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m_symbolSkipPixelDistance = distance >= 0.0f ? distance : 0.0f;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setPerPointLabels( const std::vector<QString>& labels )
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{
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m_perPointLabels = labels;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setAppearance( RiuQwtPlotCurveDefines::LineStyleEnum lineStyle,
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RiuQwtPlotCurveDefines::CurveInterpolationEnum interpolationType,
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int requestedCurveThickness,
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const QColor& curveColor,
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const QBrush& fillBrush /* = QBrush( Qt::NoBrush )*/ )
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{
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QwtPlotCurve::CurveStyle curveStyle = QwtPlotCurve::NoCurve;
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Qt::PenStyle penStyle = Qt::NoPen;
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// Qwt bug workaround (#4135): need to set 0 curve thickness for STYLE_NONE
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int curveThickness = 0;
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if ( lineStyle != RiuQwtPlotCurveDefines::LineStyleEnum::STYLE_NONE )
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{
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curveThickness = requestedCurveThickness;
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switch ( interpolationType )
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{
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case RiuQwtPlotCurveDefines::CurveInterpolationEnum::INTERPOLATION_STEP_LEFT:
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curveStyle = QwtPlotCurve::Steps;
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setCurveAttribute( QwtPlotCurve::Inverted, false );
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break;
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case RiuQwtPlotCurveDefines::CurveInterpolationEnum::INTERPOLATION_POINT_TO_POINT: // Fall through
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default:
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curveStyle = QwtPlotCurve::Lines;
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break;
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}
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switch ( lineStyle )
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{
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case RiuQwtPlotCurveDefines::LineStyleEnum::STYLE_SOLID:
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penStyle = Qt::SolidLine;
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break;
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case RiuQwtPlotCurveDefines::LineStyleEnum::STYLE_DASH:
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penStyle = Qt::DashLine;
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break;
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case RiuQwtPlotCurveDefines::LineStyleEnum::STYLE_DOT:
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penStyle = Qt::DotLine;
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break;
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case RiuQwtPlotCurveDefines::LineStyleEnum::STYLE_DASH_DOT:
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penStyle = Qt::DashDotLine;
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break;
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default:
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break;
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}
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}
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QPen curvePen( curveColor );
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curvePen.setWidth( curveThickness );
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curvePen.setStyle( penStyle );
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setPen( curvePen );
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setStyle( curveStyle );
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setBrush( fillBrush );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::setBlackAndWhiteLegendIcon( bool blackAndWhite )
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{
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m_blackAndWhiteLegendIcon = blackAndWhite;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QwtGraphic RiuQwtPlotCurve::legendIcon( int index, const QSizeF& size ) const
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{
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QwtGraphic icon = QwtPlotCurve::legendIcon( index, size );
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if ( m_blackAndWhiteLegendIcon )
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{
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QImage image = icon.toImage();
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RiaImageTools::makeGrayScale( image );
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QPainter painter( &icon );
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painter.drawImage( QPoint( 0, 0 ), image );
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}
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return icon;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtPlotCurve::computeValidIntervalsAndSetCurveData( const std::vector<double>& xValues,
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const std::vector<double>& yValues,
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bool keepOnlyPositiveValues )
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{
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auto intervalsOfValidValues = RiaCurveDataTools::calculateIntervalsOfValidValues( yValues, keepOnlyPositiveValues );
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std::vector<double> validYValues;
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std::vector<double> validXValues;
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RiaCurveDataTools::getValuesByIntervals( yValues, intervalsOfValidValues, &validYValues );
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RiaCurveDataTools::getValuesByIntervals( xValues, intervalsOfValidValues, &validXValues );
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setSamples( validXValues.data(), validYValues.data(), static_cast<int>( validXValues.size() ) );
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setLineSegmentStartStopIndices( RiaCurveDataTools::computePolyLineStartStopIndices( intervalsOfValidValues ) );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::vector<double> RiuQwtPlotCurve::fromQDateTime( const std::vector<QDateTime>& dateTimes )
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{
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std::vector<double> doubleValues;
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if ( !dateTimes.empty() )
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{
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doubleValues.reserve( dateTimes.size() );
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for ( const auto& dt : dateTimes )
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{
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doubleValues.push_back( QwtDate::toDouble( dt ) );
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}
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}
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return doubleValues;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::vector<double> RiuQwtPlotCurve::fromTime_t( const std::vector<time_t>& timeSteps )
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{
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std::vector<double> doubleValues;
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if ( !timeSteps.empty() )
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{
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doubleValues.reserve( timeSteps.size() );
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for ( const auto& time : timeSteps )
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{
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doubleValues.push_back( RiaTimeTTools::toDouble( time ) );
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}
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}
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return doubleValues;
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}
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