276 lines
11 KiB
C++
276 lines
11 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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 Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _CHART2_TICKMARKHELPER_HXX
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#define _CHART2_TICKMARKHELPER_HXX
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#include "TickmarkProperties.hxx"
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#include "VAxisProperties.hxx"
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#include <com/sun/star/chart2/ExplicitIncrementData.hpp>
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#include <com/sun/star/chart2/ExplicitScaleData.hpp>
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#include <basegfx/vector/b2dvector.hxx>
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#include <com/sun/star/drawing/PointSequenceSequence.hpp>
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#include <com/sun/star/drawing/XShape.hpp>
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#include <com/sun/star/uno/Sequence.h>
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#include <vector>
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//.............................................................................
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namespace chart
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{
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//.............................................................................
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using ::basegfx::B2DVector;
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//-----------------------------------------------------------------------------
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/**
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*/
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struct TickInfo
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{
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double fScaledTickValue;
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double fUnscaledTickValue;
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::basegfx::B2DVector aTickScreenPosition;
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bool bPaintIt;
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::com::sun::star::uno::Reference<
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::com::sun::star::drawing::XShape > xTextShape;
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rtl::OUString aText;//used only for complex categories so far
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sal_Int32 nFactorForLimitedTextWidth;//categories in higher levels of complex categories can have more place than a single simple category
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//methods:
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TickInfo();
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void updateUnscaledValue( const ::com::sun::star::uno::Reference<
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::com::sun::star::chart2::XScaling >& xInverseScaling );
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sal_Int32 getScreenDistanceBetweenTicks( const TickInfo& rOherTickInfo ) const;
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};
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class TickIter
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{
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public:
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virtual ~TickIter(){};
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virtual TickInfo* firstInfo()=0;
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virtual TickInfo* nextInfo()=0;
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};
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class PureTickIter : public TickIter
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{
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public:
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PureTickIter( ::std::vector< TickInfo >& rTickInfoVector );
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virtual ~PureTickIter();
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virtual TickInfo* firstInfo();
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virtual TickInfo* nextInfo();
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private:
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::std::vector< TickInfo >& m_rTickVector;
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::std::vector< TickInfo >::iterator m_aTickIter;
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};
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class EquidistantTickIter : public TickIter
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{
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public:
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EquidistantTickIter( const ::com::sun::star::uno::Sequence<
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::com::sun::star::uno::Sequence< double > >& rTicks
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, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
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, sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
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EquidistantTickIter( ::std::vector< ::std::vector< TickInfo > >& rTickInfos
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, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
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, sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
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virtual ~EquidistantTickIter();
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virtual double* firstValue();
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virtual double* nextValue();
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virtual TickInfo* firstInfo();
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virtual TickInfo* nextInfo();
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sal_Int32 getCurrentDepth() const { return m_nCurrentDepth; }
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protected:
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bool gotoIndex( sal_Int32 nTickIndex );
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sal_Int32 getCurrentIndex() const;
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sal_Int32 getMaxIndex() const;
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private: //methods
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sal_Int32 getIntervalCount( sal_Int32 nDepth );
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bool isAtLastPartTick();
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void initIter( sal_Int32 nMinDepth, sal_Int32 nMaxDepth );
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sal_Int32 getStartDepth() const;
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bool gotoFirst();
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bool gotoNext();
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double getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const
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{
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if(m_pSimpleTicks)
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return (*m_pSimpleTicks)[nDepth][nIndex];
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else
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return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue;
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}
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sal_Int32 getTickCount( sal_Int32 nDepth ) const
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{
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if(m_pSimpleTicks)
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return (*m_pSimpleTicks)[nDepth].getLength();
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else
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return (*m_pInfoTicks)[nDepth].size();
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}
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sal_Int32 getMaxDepth() const
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{
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if(m_pSimpleTicks)
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return (*m_pSimpleTicks).getLength()-1;
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else
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return (*m_pInfoTicks).size()-1;
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}
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private: //member
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::uno::Sequence< double > >* m_pSimpleTicks;
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::std::vector< ::std::vector< TickInfo > >* m_pInfoTicks;
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const ::com::sun::star::chart2::ExplicitIncrementData& m_rIncrement;
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//iteration from m_nMinDepth to m_nMaxDepth
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sal_Int32 m_nMinDepth;
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sal_Int32 m_nMaxDepth;
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sal_Int32 m_nTickCount;
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sal_Int32* m_pnPositions; //current positions in the different sequences
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sal_Int32* m_pnPreParentCount; //the tickmarks do not start with a major tick always,
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//the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark
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bool* m_pbIntervalFinished;
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sal_Int32 m_nCurrentDepth;
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sal_Int32 m_nCurrentPos;
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double m_fCurrentValue;
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};
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class TickmarkHelper
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{
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public:
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TickmarkHelper(
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const ::com::sun::star::chart2::ExplicitScaleData& rScale
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, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
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virtual ~TickmarkHelper();
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virtual TickmarkHelper* createShiftedTickmarkHelper() const;
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void getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
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void getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
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//
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static double getMinimumAtIncrement( double fMin, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
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static double getMaximumAtIncrement( double fMax, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
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protected: //methods
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void addSubTicks( sal_Int32 nDepth,
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::com::sun::star::uno::Sequence<
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::com::sun::star::uno::Sequence< double > >& rParentTicks ) const;
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double* getMajorTick( sal_Int32 nTick ) const;
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double* getMinorTick( sal_Int32 nTick, sal_Int32 nDepth
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, double fStartParentTick, double fNextParentTick ) const;
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sal_Int32 getMaxTickCount( sal_Int32 nDepth = 0 ) const;
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sal_Int32 getTickDepth() const;
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bool isVisible( double fValue ) const;
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bool isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks
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virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& /*rAllTickInfos*/ ) const {}
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protected: //member
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::com::sun::star::chart2::ExplicitScaleData m_rScale;
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::com::sun::star::chart2::ExplicitIncrementData m_rIncrement;
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::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >
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m_xInverseScaling;
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double* m_pfCurrentValues;
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//major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders
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double m_fOuterMajorTickBorderMin;
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double m_fOuterMajorTickBorderMax;
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double m_fOuterMajorTickBorderMin_Scaled;
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double m_fOuterMajorTickBorderMax_Scaled;
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//minimum and maximum of the visible range after scaling
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double m_fScaledVisibleMin;
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double m_fScaledVisibleMax;
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};
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class TickmarkHelper_2D : public TickmarkHelper
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{
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public:
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TickmarkHelper_2D(
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const ::com::sun::star::chart2::ExplicitScaleData& rScale
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, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
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, const ::basegfx::B2DVector& rStartScreenPos, const ::basegfx::B2DVector& rEndScreenPos
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, const ::basegfx::B2DVector& rAxisLineToLabelLineShift );
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//, double fStrech_SceneToScreen, double fOffset_SceneToScreen );
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virtual ~TickmarkHelper_2D();
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virtual TickmarkHelper* createShiftedTickmarkHelper() const;
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static sal_Int32 getTickScreenDistance( TickIter& rIter );
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void createPointSequenceForAxisMainLine( ::com::sun::star::drawing::PointSequenceSequence& rPoints ) const;
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void addPointSequenceForTickLine( ::com::sun::star::drawing::PointSequenceSequence& rPoints
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, sal_Int32 nSequenceIndex
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, double fScaledLogicTickValue, double fInnerDirectionSign
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, const TickmarkProperties& rTickmarkProperties, bool bPlaceAtLabels ) const;
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::basegfx::B2DVector getDistanceAxisTickToText( const AxisProperties& rAxisProperties
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, bool bIncludeFarAwayDistanceIfSo = false
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, bool bIncludeSpaceBetweenTickAndText = true ) const;
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virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
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bool isHorizontalAxis() const;
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bool isVerticalAxis() const;
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protected: //methods
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::basegfx::B2DVector getTickScreenPosition2D( double fScaledLogicTickValue ) const;
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private: //member
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::basegfx::B2DVector m_aAxisStartScreenPosition2D;
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::basegfx::B2DVector m_aAxisEndScreenPosition2D;
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//labels might be posioned high or low on the border of the diagram far away from the axis
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//add this vector to go from the axis line to the label line (border of the diagram)
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::basegfx::B2DVector m_aAxisLineToLabelLineShift;
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double m_fStrech_LogicToScreen;
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double m_fOffset_LogicToScreen;
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};
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class TickmarkHelper_3D : public TickmarkHelper
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{
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public:
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TickmarkHelper_3D(
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const ::com::sun::star::chart2::ExplicitScaleData& rScale
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, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement );
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virtual ~TickmarkHelper_3D();
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virtual TickmarkHelper* createShiftedTickmarkHelper() const;
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};
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//.............................................................................
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} //namespace chart
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//.............................................................................
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#endif
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