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Diffstat (limited to 'chart2/source/view/axes/TickmarkHelper.hxx')
| -rw-r--r-- | chart2/source/view/axes/TickmarkHelper.hxx | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/chart2/source/view/axes/TickmarkHelper.hxx b/chart2/source/view/axes/TickmarkHelper.hxx new file mode 100644 index 000000000000..78fc2fe1c502 --- /dev/null +++ b/chart2/source/view/axes/TickmarkHelper.hxx @@ -0,0 +1,276 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#ifndef _CHART2_TICKMARKHELPER_HXX +#define _CHART2_TICKMARKHELPER_HXX + +#include "TickmarkProperties.hxx" +#include "VAxisProperties.hxx" +#include <com/sun/star/chart2/ExplicitIncrementData.hpp> +#include <com/sun/star/chart2/ExplicitScaleData.hpp> +#include <basegfx/vector/b2dvector.hxx> +#include <com/sun/star/drawing/PointSequenceSequence.hpp> +#include <com/sun/star/drawing/XShape.hpp> +#include <com/sun/star/uno/Sequence.h> + +#include <vector> + +//............................................................................. +namespace chart +{ +//............................................................................. + +using ::basegfx::B2DVector; +//----------------------------------------------------------------------------- +/** +*/ + +struct TickInfo +{ + double fScaledTickValue; + double fUnscaledTickValue; + + ::basegfx::B2DVector aTickScreenPosition; + bool bPaintIt; + + ::com::sun::star::uno::Reference< + ::com::sun::star::drawing::XShape > xTextShape; + + rtl::OUString aText;//used only for complex categories so far + sal_Int32 nFactorForLimitedTextWidth;//categories in higher levels of complex categories can have more place than a single simple category + +//methods: + TickInfo(); + void updateUnscaledValue( const ::com::sun::star::uno::Reference< + ::com::sun::star::chart2::XScaling >& xInverseScaling ); + + sal_Int32 getScreenDistanceBetweenTicks( const TickInfo& rOherTickInfo ) const; +}; +class TickIter +{ +public: + virtual ~TickIter(){}; + virtual TickInfo* firstInfo()=0; + virtual TickInfo* nextInfo()=0; +}; + +class PureTickIter : public TickIter +{ +public: + PureTickIter( ::std::vector< TickInfo >& rTickInfoVector ); + virtual ~PureTickIter(); + virtual TickInfo* firstInfo(); + virtual TickInfo* nextInfo(); + +private: + ::std::vector< TickInfo >& m_rTickVector; + ::std::vector< TickInfo >::iterator m_aTickIter; +}; + +class EquidistantTickIter : public TickIter +{ +public: + EquidistantTickIter( const ::com::sun::star::uno::Sequence< + ::com::sun::star::uno::Sequence< double > >& rTicks + , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement + , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 ); + EquidistantTickIter( ::std::vector< ::std::vector< TickInfo > >& rTickInfos + , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement + , sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 ); + virtual ~EquidistantTickIter(); + + virtual double* firstValue(); + virtual double* nextValue(); + + virtual TickInfo* firstInfo(); + virtual TickInfo* nextInfo(); + + sal_Int32 getCurrentDepth() const { return m_nCurrentDepth; } + +protected: + bool gotoIndex( sal_Int32 nTickIndex ); + sal_Int32 getCurrentIndex() const; + sal_Int32 getMaxIndex() const; + +private: //methods + sal_Int32 getIntervalCount( sal_Int32 nDepth ); + bool isAtLastPartTick(); + + void initIter( sal_Int32 nMinDepth, 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 + 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 ::com::sun::star::uno::Sequence< + ::com::sun::star::uno::Sequence< double > >* m_pSimpleTicks; + ::std::vector< ::std::vector< TickInfo > >* m_pInfoTicks; + const ::com::sun::star::chart2::ExplicitIncrementData& m_rIncrement; + //iteration from m_nMinDepth to m_nMaxDepth + sal_Int32 m_nMinDepth; + sal_Int32 m_nMaxDepth; + sal_Int32 m_nTickCount; + sal_Int32* m_pnPositions; //current positions in the different sequences + 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 + bool* m_pbIntervalFinished; + sal_Int32 m_nCurrentDepth; + sal_Int32 m_nCurrentPos; + double m_fCurrentValue; +}; + +class TickmarkHelper +{ +public: + TickmarkHelper( + const ::com::sun::star::chart2::ExplicitScaleData& rScale + , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement ); + virtual ~TickmarkHelper(); + + virtual TickmarkHelper* createShiftedTickmarkHelper() const; + + void getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const; + void getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const; + + // + static double getMinimumAtIncrement( double fMin, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement ); + static double getMaximumAtIncrement( double fMax, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement ); + +protected: //methods + void addSubTicks( sal_Int32 nDepth, + ::com::sun::star::uno::Sequence< + ::com::sun::star::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 = 0 ) const; + sal_Int32 getTickDepth() const; + bool isVisible( double fValue ) const; + bool isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks + + virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& /*rAllTickInfos*/ ) const {} + +protected: //member + ::com::sun::star::chart2::ExplicitScaleData m_rScale; + ::com::sun::star::chart2::ExplicitIncrementData m_rIncrement; + + ::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling > + m_xInverseScaling; + 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; + + //minimum and maximum of the visible range after scaling + double m_fScaledVisibleMin; + double m_fScaledVisibleMax; +}; + +class TickmarkHelper_2D : public TickmarkHelper +{ +public: + TickmarkHelper_2D( + const ::com::sun::star::chart2::ExplicitScaleData& rScale + , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement + , const ::basegfx::B2DVector& rStartScreenPos, const ::basegfx::B2DVector& rEndScreenPos + , const ::basegfx::B2DVector& rAxisLineToLabelLineShift ); + //, double fStrech_SceneToScreen, double fOffset_SceneToScreen ); + virtual ~TickmarkHelper_2D(); + + virtual TickmarkHelper* createShiftedTickmarkHelper() const; + + static sal_Int32 getTickScreenDistance( TickIter& rIter ); + + void createPointSequenceForAxisMainLine( ::com::sun::star::drawing::PointSequenceSequence& rPoints ) const; + void addPointSequenceForTickLine( ::com::sun::star::drawing::PointSequenceSequence& rPoints + , sal_Int32 nSequenceIndex + , double fScaledLogicTickValue, double fInnerDirectionSign + , const TickmarkProperties& rTickmarkProperties, bool bPlaceAtLabels ) const; + ::basegfx::B2DVector getDistanceAxisTickToText( const AxisProperties& rAxisProperties + , bool bIncludeFarAwayDistanceIfSo = false + , bool bIncludeSpaceBetweenTickAndText = true ) const; + + virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const; + + bool isHorizontalAxis() const; + bool isVerticalAxis() const; + +protected: //methods + ::basegfx::B2DVector getTickScreenPosition2D( double fScaledLogicTickValue ) const; + +private: //member + ::basegfx::B2DVector m_aAxisStartScreenPosition2D; + ::basegfx::B2DVector m_aAxisEndScreenPosition2D; + + //labels might be posioned high or low on the border of the diagram far away from the axis + //add this vector to go from the axis line to the label line (border of the diagram) + ::basegfx::B2DVector m_aAxisLineToLabelLineShift; + + double m_fStrech_LogicToScreen; + double m_fOffset_LogicToScreen; +}; + +class TickmarkHelper_3D : public TickmarkHelper +{ +public: + TickmarkHelper_3D( + const ::com::sun::star::chart2::ExplicitScaleData& rScale + , const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement ); + virtual ~TickmarkHelper_3D(); + + virtual TickmarkHelper* createShiftedTickmarkHelper() const; +}; + +//............................................................................. +} //namespace chart +//............................................................................. +#endif |