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Diffstat (limited to 'chart2/source/view/axes/Tickmarks_Equidistant.hxx')
| -rw-r--r-- | chart2/source/view/axes/Tickmarks_Equidistant.hxx | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/chart2/source/view/axes/Tickmarks_Equidistant.hxx b/chart2/source/view/axes/Tickmarks_Equidistant.hxx new file mode 100644 index 000000000..55263c05b --- /dev/null +++ b/chart2/source/view/axes/Tickmarks_Equidistant.hxx @@ -0,0 +1,148 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#ifndef INCLUDED_CHART2_SOURCE_VIEW_AXES_TICKMARKS_EQUIDISTANT_HXX +#define INCLUDED_CHART2_SOURCE_VIEW_AXES_TICKMARKS_EQUIDISTANT_HXX + +#include "Tickmarks.hxx" +#include <memory> + +#include <o3tl/safeint.hxx> + +namespace chart +{ + +class EquidistantTickIter : public TickIter +{ +public: + EquidistantTickIter( const css::uno::Sequence< css::uno::Sequence< double > >& rTicks + , const ExplicitIncrementData& rIncrement + , sal_Int32 nMaxDepth ); + EquidistantTickIter( TickInfoArraysType& rTickInfos + , const ExplicitIncrementData& rIncrement + , sal_Int32 nMaxDepth ); + virtual ~EquidistantTickIter() override; + + double* firstValue(); + double* nextValue(); + + virtual TickInfo* firstInfo() override; + virtual TickInfo* nextInfo() override; + +private: //methods + sal_Int32 getIntervalCount( sal_Int32 nDepth ); + bool isAtLastPartTick(); + + void initIter( sal_Int32 nMaxDepth ); + sal_Int32 getStartDepth() const; + + bool gotoFirst(); + bool gotoNext(); + + double getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const + { + if(m_pSimpleTicks) + return (*m_pSimpleTicks)[nDepth][nIndex]; + else + { + if ((*m_pInfoTicks)[nDepth].size() <= o3tl::make_unsigned(nIndex)) + return std::numeric_limits<double>::max(); + return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue; + } + } + sal_Int32 getTickCount( sal_Int32 nDepth ) const + { + if(m_pSimpleTicks) + return (*m_pSimpleTicks)[nDepth].getLength(); + else + return (*m_pInfoTicks)[nDepth].size(); + } + sal_Int32 getMaxDepth() const + { + if(m_pSimpleTicks) + return (*m_pSimpleTicks).getLength()-1; + else + return (*m_pInfoTicks).size()-1; + } + +private: //member + const css::uno::Sequence< css::uno::Sequence< double > >* m_pSimpleTicks; + TickInfoArraysType* m_pInfoTicks; + const ExplicitIncrementData& m_rIncrement; + sal_Int32 m_nMaxDepth; + sal_Int32 m_nTickCount; + std::unique_ptr<sal_Int32[]> + m_pnPositions; //current positions in the different sequences + std::unique_ptr<sal_Int32[]> + m_pnPreParentCount; //the tickmarks do not start with a major tick always, + //the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark + std::unique_ptr<bool[]> + m_pbIntervalFinished; + sal_Int32 m_nCurrentDepth; + sal_Int32 m_nCurrentPos; + double m_fCurrentValue; +}; + +class EquidistantTickFactory +{ +public: + EquidistantTickFactory( + const ExplicitScaleData& rScale + , const ExplicitIncrementData& rIncrement ); + ~EquidistantTickFactory(); + + void getAllTicks( TickInfoArraysType& rAllTickInfos ) const; + void getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const; + + static double getMinimumAtIncrement( double fMin, const ExplicitIncrementData& rIncrement ); + static double getMaximumAtIncrement( double fMax, const ExplicitIncrementData& rIncrement ); + +private: //methods + void addSubTicks( sal_Int32 nDepth, + css::uno::Sequence< css::uno::Sequence< double > >& rParentTicks ) const; + double* getMajorTick( sal_Int32 nTick ) const; + double* getMinorTick( sal_Int32 nTick, sal_Int32 nDepth + , double fStartParentTick, double fNextParentTick ) const; + sal_Int32 getMaxTickCount( sal_Int32 nDepth ) const; + sal_Int32 getTickDepth() const; + + bool isVisible( double fValue ) const; + bool isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks + +private: //member + ExplicitScaleData m_rScale; + ExplicitIncrementData m_rIncrement; + css::uno::Reference< css::chart2::XScaling > m_xInverseScaling; + + //minimum and maximum of the visible range after scaling + double m_fScaledVisibleMin; + double m_fScaledVisibleMax; + + std::unique_ptr<double[]> + m_pfCurrentValues; + //major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders + double m_fOuterMajorTickBorderMin; + double m_fOuterMajorTickBorderMax; + double m_fOuterMajorTickBorderMin_Scaled; + double m_fOuterMajorTickBorderMax_Scaled; +}; + +} //namespace chart +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |