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Diffstat (limited to 'chart2/source/view/axes/TickmarkHelper.cxx')
| -rw-r--r-- | chart2/source/view/axes/TickmarkHelper.cxx | 934 |
1 files changed, 934 insertions, 0 deletions
diff --git a/chart2/source/view/axes/TickmarkHelper.cxx b/chart2/source/view/axes/TickmarkHelper.cxx new file mode 100644 index 000000000000..f4f717722bed --- /dev/null +++ b/chart2/source/view/axes/TickmarkHelper.cxx @@ -0,0 +1,934 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_chart2.hxx" +#include "TickmarkHelper.hxx" +#include "ViewDefines.hxx" +#include <rtl/math.hxx> +#include <tools/debug.hxx> +#include <memory> + +//............................................................................. +namespace chart +{ +//............................................................................. +using namespace ::com::sun::star; +using namespace ::com::sun::star::chart2; +using namespace ::rtl::math; +using ::basegfx::B2DVector; + +TickInfo::TickInfo() +: fScaledTickValue( 0.0 ) +, fUnscaledTickValue( 0.0 ) +, aTickScreenPosition(0.0,0.0) +, bPaintIt( true ) +, xTextShape( NULL ) +, nFactorForLimitedTextWidth(1) +{ +} + +void TickInfo::updateUnscaledValue( const uno::Reference< XScaling >& xInverseScaling ) +{ + if( xInverseScaling.is() ) + this->fUnscaledTickValue = xInverseScaling->doScaling( this->fScaledTickValue ); + else + this->fUnscaledTickValue = this->fScaledTickValue; +} + +sal_Int32 TickInfo::getScreenDistanceBetweenTicks( const TickInfo& rOherTickInfo ) const +{ + //return the positive distance between the two first tickmarks in screen values + + B2DVector aDistance = rOherTickInfo.aTickScreenPosition - aTickScreenPosition; + sal_Int32 nRet = static_cast<sal_Int32>(aDistance.getLength()); + if(nRet<0) + nRet *= -1; + return nRet; +} + +PureTickIter::PureTickIter( ::std::vector< TickInfo >& rTickInfoVector ) + : m_rTickVector(rTickInfoVector) + , m_aTickIter(m_rTickVector.begin()) +{ +} +PureTickIter::~PureTickIter() +{ +} +TickInfo* PureTickIter::firstInfo() +{ + m_aTickIter = m_rTickVector.begin(); + if(m_aTickIter!=m_rTickVector.end()) + return &*m_aTickIter; + return 0; +} +TickInfo* PureTickIter::nextInfo() +{ + m_aTickIter++; + if(m_aTickIter!=m_rTickVector.end()) + return &*m_aTickIter; + return 0; +} + +EquidistantTickIter::EquidistantTickIter( const uno::Sequence< uno::Sequence< double > >& rTicks + , const ExplicitIncrementData& rIncrement + , sal_Int32 nMinDepth, sal_Int32 nMaxDepth ) + : m_pSimpleTicks(&rTicks) + , m_pInfoTicks(0) + , m_rIncrement(rIncrement) + , m_nMinDepth(0), m_nMaxDepth(0) + , m_nTickCount(0), m_pnPositions(NULL) + , m_pnPreParentCount(NULL), m_pbIntervalFinished(NULL) + , m_nCurrentDepth(-1), m_nCurrentPos(-1), m_fCurrentValue( 0.0 ) +{ + initIter( nMinDepth, nMaxDepth ); +} + +EquidistantTickIter::EquidistantTickIter( ::std::vector< ::std::vector< TickInfo > >& rTicks + , const ExplicitIncrementData& rIncrement + , sal_Int32 nMinDepth, sal_Int32 nMaxDepth ) + : m_pSimpleTicks(NULL) + , m_pInfoTicks(&rTicks) + , m_rIncrement(rIncrement) + , m_nMinDepth(0), m_nMaxDepth(0) + , m_nTickCount(0), m_pnPositions(NULL) + , m_pnPreParentCount(NULL), m_pbIntervalFinished(NULL) + , m_nCurrentDepth(-1), m_nCurrentPos(-1), m_fCurrentValue( 0.0 ) +{ + initIter( nMinDepth, nMaxDepth ); +} + +void EquidistantTickIter::initIter( sal_Int32 /*nMinDepth*/, sal_Int32 nMaxDepth ) +{ + m_nMaxDepth = nMaxDepth; + if(nMaxDepth<0 || m_nMaxDepth>getMaxDepth()) + m_nMaxDepth=getMaxDepth(); + + sal_Int32 nDepth = 0; + for( nDepth = 0; nDepth<=m_nMaxDepth ;nDepth++ ) + m_nTickCount += getTickCount(nDepth); + + if(!m_nTickCount) + return; + + m_pnPositions = new sal_Int32[m_nMaxDepth+1]; + + m_pnPreParentCount = new sal_Int32[m_nMaxDepth+1]; + m_pbIntervalFinished = new bool[m_nMaxDepth+1]; + m_pnPreParentCount[0] = 0; + m_pbIntervalFinished[0] = false; + double fParentValue = getTickValue(0,0); + for( nDepth = 1; nDepth<=m_nMaxDepth ;nDepth++ ) + { + m_pbIntervalFinished[nDepth] = false; + + sal_Int32 nPreParentCount = 0; + sal_Int32 nCount = getTickCount(nDepth); + for(sal_Int32 nN = 0; nN<nCount; nN++) + { + if(getTickValue(nDepth,nN) < fParentValue) + nPreParentCount++; + else + break; + } + m_pnPreParentCount[nDepth] = nPreParentCount; + if(nCount) + { + double fNextParentValue = getTickValue(nDepth,0); + if( fNextParentValue < fParentValue ) + fParentValue = fNextParentValue; + } + } +} + +EquidistantTickIter::~EquidistantTickIter() +{ + delete[] m_pnPositions; + delete[] m_pnPreParentCount; + delete[] m_pbIntervalFinished; +} + +sal_Int32 EquidistantTickIter::getStartDepth() const +{ + //find the depth of the first visible tickmark: + //it is the depth of the smallest value + sal_Int32 nReturnDepth=0; + double fMinValue = DBL_MAX; + for(sal_Int32 nDepth = 0; nDepth<=m_nMaxDepth ;nDepth++ ) + { + sal_Int32 nCount = getTickCount(nDepth); + if( !nCount ) + continue; + double fThisValue = getTickValue(nDepth,0); + if(fThisValue<fMinValue) + { + nReturnDepth = nDepth; + fMinValue = fThisValue; + } + } + return nReturnDepth; +} + +double* EquidistantTickIter::firstValue() +{ + if( gotoFirst() ) + { + m_fCurrentValue = getTickValue(m_nCurrentDepth, m_pnPositions[m_nCurrentDepth]); + return &m_fCurrentValue; + } + return NULL; +} + +TickInfo* EquidistantTickIter::firstInfo() +{ + if( m_pInfoTicks && gotoFirst() ) + return &(*m_pInfoTicks)[m_nCurrentDepth][m_pnPositions[m_nCurrentDepth]]; + return NULL; +} + +sal_Int32 EquidistantTickIter::getIntervalCount( sal_Int32 nDepth ) +{ + if(nDepth>m_rIncrement.SubIncrements.getLength() || nDepth<0) + return 0; + + if(!nDepth) + return m_nTickCount; + + return m_rIncrement.SubIncrements[nDepth-1].IntervalCount; +} + +bool EquidistantTickIter::isAtLastPartTick() +{ + if(!m_nCurrentDepth) + return false; + sal_Int32 nIntervalCount = getIntervalCount( m_nCurrentDepth ); + if(!nIntervalCount || nIntervalCount == 1) + return true; + if( m_pbIntervalFinished[m_nCurrentDepth] ) + return false; + sal_Int32 nPos = m_pnPositions[m_nCurrentDepth]+1; + if(m_pnPreParentCount[m_nCurrentDepth]) + nPos += nIntervalCount-1 - m_pnPreParentCount[m_nCurrentDepth]; + bool bRet = nPos && nPos % (nIntervalCount-1) == 0; + if(!nPos && !m_pnPreParentCount[m_nCurrentDepth] + && m_pnPositions[m_nCurrentDepth-1]==-1 ) + bRet = true; + return bRet; +} + +bool EquidistantTickIter::gotoFirst() +{ + if( m_nMaxDepth<0 ) + return false; + if( !m_nTickCount ) + return false; + + for(sal_Int32 nDepth = 0; nDepth<=m_nMaxDepth ;nDepth++ ) + m_pnPositions[nDepth] = -1; + + m_nCurrentPos = 0; + m_nCurrentDepth = getStartDepth(); + m_pnPositions[m_nCurrentDepth] = 0; + return true; +} + +bool EquidistantTickIter::gotoNext() +{ + if( m_nCurrentPos < 0 ) + return false; + m_nCurrentPos++; + + if( m_nCurrentPos >= m_nTickCount ) + return false; + + if( m_nCurrentDepth==m_nMaxDepth && isAtLastPartTick() ) + { + do + { + m_pbIntervalFinished[m_nCurrentDepth] = true; + m_nCurrentDepth--; + } + while( m_nCurrentDepth && isAtLastPartTick() ); + } + else if( m_nCurrentDepth<m_nMaxDepth ) + { + do + { + m_nCurrentDepth++; + } + while( m_nCurrentDepth<m_nMaxDepth ); + } + m_pbIntervalFinished[m_nCurrentDepth] = false; + m_pnPositions[m_nCurrentDepth] = m_pnPositions[m_nCurrentDepth]+1; + return true; +} + +bool EquidistantTickIter::gotoIndex( sal_Int32 nTickIndex ) +{ + if( nTickIndex < 0 ) + return false; + if( nTickIndex >= m_nTickCount ) + return false; + + if( nTickIndex < m_nCurrentPos ) + if( !gotoFirst() ) + return false; + + while( nTickIndex > m_nCurrentPos ) + if( !gotoNext() ) + return false; + + return true; +} + +sal_Int32 EquidistantTickIter::getCurrentIndex() const +{ + return m_nCurrentPos; +} +sal_Int32 EquidistantTickIter::getMaxIndex() const +{ + return m_nTickCount-1; +} + +double* EquidistantTickIter::nextValue() +{ + if( gotoNext() ) + { + m_fCurrentValue = getTickValue(m_nCurrentDepth, m_pnPositions[m_nCurrentDepth]); + return &m_fCurrentValue; + } + return NULL; +} + +TickInfo* EquidistantTickIter::nextInfo() +{ + if( m_pInfoTicks && gotoNext() && + static_cast< sal_Int32 >( + (*m_pInfoTicks)[m_nCurrentDepth].size()) > m_pnPositions[m_nCurrentDepth] ) + { + return &(*m_pInfoTicks)[m_nCurrentDepth][m_pnPositions[m_nCurrentDepth]]; + } + return NULL; +} + +//----------------------------------------------------------------------------- +//----------------------------------------------------------------------------- +//----------------------------------------------------------------------------- + +double TickmarkHelper::getMinimumAtIncrement( double fMin, const ExplicitIncrementData& rIncrement ) +{ + //the returned value will be <= fMin and on a Major Tick given by rIncrement + if(rIncrement.Distance<=0.0) + return fMin; + + double fRet = rIncrement.BaseValue + + floor( approxSub( fMin, rIncrement.BaseValue ) + / rIncrement.Distance) + *rIncrement.Distance; + + if( fRet > fMin ) + { + if( !approxEqual(fRet, fMin) ) + fRet -= rIncrement.Distance; + } + return fRet; +} +double TickmarkHelper::getMaximumAtIncrement( double fMax, const ExplicitIncrementData& rIncrement ) +{ + //the returned value will be >= fMax and on a Major Tick given by rIncrement + if(rIncrement.Distance<=0.0) + return fMax; + + double fRet = rIncrement.BaseValue + + floor( approxSub( fMax, rIncrement.BaseValue ) + / rIncrement.Distance) + *rIncrement.Distance; + + if( fRet < fMax ) + { + if( !approxEqual(fRet, fMax) ) + fRet += rIncrement.Distance; + } + return fRet; +} + +//----------------------------------------------------------------------------- +//----------------------------------------------------------------------------- +//----------------------------------------------------------------------------- + +TickmarkHelper::TickmarkHelper( + const ExplicitScaleData& rScale, const ExplicitIncrementData& rIncrement ) + : m_rScale( rScale ) + , m_rIncrement( rIncrement ) + , m_xInverseScaling(NULL) + , m_pfCurrentValues(NULL) +{ + //@todo: make sure that the scale is valid for the scaling + + m_pfCurrentValues = new double[getTickDepth()]; + + if( m_rScale.Scaling.is() ) + { + m_xInverseScaling = m_rScale.Scaling->getInverseScaling(); + DBG_ASSERT( m_xInverseScaling.is(), "each Scaling needs to return a inverse Scaling" ); + } + + double fMin = m_fScaledVisibleMin = m_rScale.Minimum; + if( m_xInverseScaling.is() ) + { + m_fScaledVisibleMin = m_rScale.Scaling->doScaling(m_fScaledVisibleMin); + if(m_rIncrement.PostEquidistant ) + fMin = m_fScaledVisibleMin; + } + + double fMax = m_fScaledVisibleMax = m_rScale.Maximum; + if( m_xInverseScaling.is() ) + { + m_fScaledVisibleMax = m_rScale.Scaling->doScaling(m_fScaledVisibleMax); + if(m_rIncrement.PostEquidistant ) + fMax = m_fScaledVisibleMax; + } + + //-- + m_fOuterMajorTickBorderMin = TickmarkHelper::getMinimumAtIncrement( fMin, m_rIncrement ); + m_fOuterMajorTickBorderMax = TickmarkHelper::getMaximumAtIncrement( fMax, m_rIncrement ); + //-- + + m_fOuterMajorTickBorderMin_Scaled = m_fOuterMajorTickBorderMin; + m_fOuterMajorTickBorderMax_Scaled = m_fOuterMajorTickBorderMax; + if(!m_rIncrement.PostEquidistant && m_xInverseScaling.is() ) + { + m_fOuterMajorTickBorderMin_Scaled = m_rScale.Scaling->doScaling(m_fOuterMajorTickBorderMin); + m_fOuterMajorTickBorderMax_Scaled = m_rScale.Scaling->doScaling(m_fOuterMajorTickBorderMax); + + //check validity of new range: m_fOuterMajorTickBorderMin <-> m_fOuterMajorTickBorderMax + //it is assumed here, that the original range in the given Scale is valid + if( !rtl::math::isFinite(m_fOuterMajorTickBorderMin_Scaled) ) + { + m_fOuterMajorTickBorderMin += m_rIncrement.Distance; + m_fOuterMajorTickBorderMin_Scaled = m_rScale.Scaling->doScaling(m_fOuterMajorTickBorderMin); + } + if( !rtl::math::isFinite(m_fOuterMajorTickBorderMax_Scaled) ) + { + m_fOuterMajorTickBorderMax -= m_rIncrement.Distance; + m_fOuterMajorTickBorderMax_Scaled = m_rScale.Scaling->doScaling(m_fOuterMajorTickBorderMax); + } + } +} + +TickmarkHelper* TickmarkHelper::createShiftedTickmarkHelper() const +{ + ExplicitIncrementData aShiftedIncrement( m_rIncrement ); + aShiftedIncrement.BaseValue = m_rIncrement.BaseValue-m_rIncrement.Distance/2.0; + return new TickmarkHelper( m_rScale, aShiftedIncrement ); +} + +TickmarkHelper::~TickmarkHelper() +{ + delete[] m_pfCurrentValues; +} + +sal_Int32 TickmarkHelper::getTickDepth() const +{ + return m_rIncrement.SubIncrements.getLength() + 1; +} + +sal_Int32 TickmarkHelper::getMaxTickCount( sal_Int32 nDepth ) const +{ + //return the maximum amount of ticks + //possibly open intervals at the two ends of the region are handled as if they were completely visible + //(this is necessary for calculating the sub ticks at the borders correctly) + + if( nDepth >= getTickDepth() ) + return 0; + if( m_fOuterMajorTickBorderMax < m_fOuterMajorTickBorderMin ) + return 0; + if( m_rIncrement.Distance<=0.0) + return 0; + + double fSub; + if(m_rIncrement.PostEquidistant ) + fSub = approxSub( m_fScaledVisibleMax, m_fScaledVisibleMin ); + else + fSub = approxSub( m_rScale.Maximum, m_rScale.Minimum ); + + if (!isFinite(fSub)) + return 0; + + sal_Int32 nIntervalCount = static_cast<sal_Int32>( fSub / m_rIncrement.Distance ); + + nIntervalCount+=3; + for(sal_Int32 nN=0; nN<nDepth-1; nN++) + { + if( m_rIncrement.SubIncrements[nN].IntervalCount>1 ) + nIntervalCount *= m_rIncrement.SubIncrements[nN].IntervalCount; + } + + sal_Int32 nTickCount = nIntervalCount; + if(nDepth>0 && m_rIncrement.SubIncrements[nDepth-1].IntervalCount>1) + nTickCount = nIntervalCount * (m_rIncrement.SubIncrements[nDepth-1].IntervalCount-1); + + return nTickCount; +} + +double* TickmarkHelper::getMajorTick( sal_Int32 nTick ) const +{ + m_pfCurrentValues[0] = m_fOuterMajorTickBorderMin + nTick*m_rIncrement.Distance; + + if(m_pfCurrentValues[0]>m_fOuterMajorTickBorderMax) + { + if( !approxEqual(m_pfCurrentValues[0],m_fOuterMajorTickBorderMax) ) + return NULL; + } + if(m_pfCurrentValues[0]<m_fOuterMajorTickBorderMin) + { + if( !approxEqual(m_pfCurrentValues[0],m_fOuterMajorTickBorderMin) ) + return NULL; + } + + //return always the value after scaling + if(!m_rIncrement.PostEquidistant && m_xInverseScaling.is() ) + m_pfCurrentValues[0] = m_rScale.Scaling->doScaling( m_pfCurrentValues[0] ); + + return &m_pfCurrentValues[0]; +} + +double* TickmarkHelper::getMinorTick( sal_Int32 nTick, sal_Int32 nDepth + , double fStartParentTick, double fNextParentTick ) const +{ + //check validity of arguments + { + //DBG_ASSERT( fStartParentTick < fNextParentTick, "fStartParentTick >= fNextParentTick"); + if(fStartParentTick >= fNextParentTick) + return NULL; + if(nDepth>m_rIncrement.SubIncrements.getLength() || nDepth<=0) + return NULL; + + //subticks are only calculated if they are laying between parent ticks: + if(nTick<=0) + return NULL; + if(nTick>=m_rIncrement.SubIncrements[nDepth-1].IntervalCount) + return NULL; + } + + bool bPostEquidistant = m_rIncrement.SubIncrements[nDepth-1].PostEquidistant; + + double fAdaptedStartParent = fStartParentTick; + double fAdaptedNextParent = fNextParentTick; + + if( !bPostEquidistant && m_xInverseScaling.is() ) + { + fAdaptedStartParent = m_xInverseScaling->doScaling(fStartParentTick); + fAdaptedNextParent = m_xInverseScaling->doScaling(fNextParentTick); + } + + double fDistance = (fAdaptedNextParent - fAdaptedStartParent)/m_rIncrement.SubIncrements[nDepth-1].IntervalCount; + + m_pfCurrentValues[nDepth] = fAdaptedStartParent + nTick*fDistance; + + //return always the value after scaling + if(!bPostEquidistant && m_xInverseScaling.is() ) + m_pfCurrentValues[nDepth] = m_rScale.Scaling->doScaling( m_pfCurrentValues[nDepth] ); + + if( !isWithinOuterBorder( m_pfCurrentValues[nDepth] ) ) + return NULL; + + return &m_pfCurrentValues[nDepth]; +} + +bool TickmarkHelper::isWithinOuterBorder( double fScaledValue ) const +{ + if(fScaledValue>m_fOuterMajorTickBorderMax_Scaled) + return false; + if(fScaledValue<m_fOuterMajorTickBorderMin_Scaled) + return false; + + return true; +} + + +bool TickmarkHelper::isVisible( double fScaledValue ) const +{ + if(fScaledValue>m_fScaledVisibleMax) + { + if( !approxEqual(fScaledValue,m_fScaledVisibleMax) ) + return false; + } + if(fScaledValue<m_fScaledVisibleMin) + { + if( !approxEqual(fScaledValue,m_fScaledVisibleMin) ) + return false; + } + return true; +} + +void TickmarkHelper::getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const +{ + uno::Sequence< uno::Sequence< double > > aAllTicks; + + //create point sequences for each tick depth + sal_Int32 nDepthCount = this->getTickDepth(); + sal_Int32 nMaxMajorTickCount = this->getMaxTickCount( 0 ); + + aAllTicks.realloc(nDepthCount); + aAllTicks[0].realloc(nMaxMajorTickCount); + + sal_Int32 nRealMajorTickCount = 0; + double* pValue = NULL; + for( sal_Int32 nMajorTick=0; nMajorTick<nMaxMajorTickCount; nMajorTick++ ) + { + pValue = this->getMajorTick( nMajorTick ); + if(!pValue) + continue; + aAllTicks[0][nRealMajorTickCount] = *pValue; + nRealMajorTickCount++; + } + if(!nRealMajorTickCount) + return; + aAllTicks[0].realloc(nRealMajorTickCount); + + if(nDepthCount>0) + this->addSubTicks( 1, aAllTicks ); + + //so far we have added all ticks between the outer major tick marks + //this was necessary to create sub ticks correctly + //now we reduce all ticks to the visible ones that lie between the real borders + sal_Int32 nDepth = 0; + sal_Int32 nTick = 0; + for( nDepth = 0; nDepth < nDepthCount; nDepth++) + { + sal_Int32 nInvisibleAtLowerBorder = 0; + sal_Int32 nInvisibleAtUpperBorder = 0; + //we need only to check all ticks within the first major interval at each border + sal_Int32 nCheckCount = 1; + for(sal_Int32 nN=0; nN<nDepth; nN++) + { + if( m_rIncrement.SubIncrements[nN].IntervalCount>1 ) + nCheckCount *= m_rIncrement.SubIncrements[nN].IntervalCount; + } + uno::Sequence< double >& rTicks = aAllTicks[nDepth]; + sal_Int32 nCount = rTicks.getLength(); + //check lower border + for( nTick=0; nTick<nCheckCount && nTick<nCount; nTick++) + { + if( !isVisible( rTicks[nTick] ) ) + nInvisibleAtLowerBorder++; + } + //check upper border + for( nTick=nCount-1; nTick>nCount-1-nCheckCount && nTick>=0; nTick--) + { + if( !isVisible( rTicks[nTick] ) ) + nInvisibleAtUpperBorder++; + } + //resize sequence + if( !nInvisibleAtLowerBorder && !nInvisibleAtUpperBorder) + continue; + if( !nInvisibleAtLowerBorder ) + rTicks.realloc(nCount-nInvisibleAtUpperBorder); + else + { + sal_Int32 nNewCount = nCount-nInvisibleAtUpperBorder-nInvisibleAtLowerBorder; + if(nNewCount<0) + nNewCount=0; + + uno::Sequence< double > aOldTicks(rTicks); + rTicks.realloc(nNewCount); + for(nTick = 0; nTick<nNewCount; nTick++) + rTicks[nTick] = aOldTicks[nInvisibleAtLowerBorder+nTick]; + } + } + + //fill return value + rAllTickInfos.resize(aAllTicks.getLength()); + for( nDepth=0 ;nDepth<aAllTicks.getLength(); nDepth++ ) + { + sal_Int32 nCount = aAllTicks[nDepth].getLength(); + rAllTickInfos[nDepth].resize( nCount ); + for(sal_Int32 nN = 0; nN<nCount; nN++) + { + rAllTickInfos[nDepth][nN].fScaledTickValue = aAllTicks[nDepth][nN]; + } + } +} + +void TickmarkHelper::getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const +{ + std::auto_ptr< TickmarkHelper > apShiftedTickmarkHelper( createShiftedTickmarkHelper() ); + apShiftedTickmarkHelper->getAllTicks( rAllTickInfos ); +} + +void TickmarkHelper::addSubTicks( sal_Int32 nDepth, uno::Sequence< uno::Sequence< double > >& rParentTicks ) const +{ + EquidistantTickIter aIter( rParentTicks, m_rIncrement, 0, nDepth-1 ); + double* pfNextParentTick = aIter.firstValue(); + if(!pfNextParentTick) + return; + double fLastParentTick = *pfNextParentTick; + pfNextParentTick = aIter.nextValue(); + if(!pfNextParentTick) + return; + + sal_Int32 nMaxSubTickCount = this->getMaxTickCount( nDepth ); + if(!nMaxSubTickCount) + return; + + uno::Sequence< double > aSubTicks(nMaxSubTickCount); + sal_Int32 nRealSubTickCount = 0; + sal_Int32 nIntervalCount = m_rIncrement.SubIncrements[nDepth-1].IntervalCount; + + double* pValue = NULL; + for(; pfNextParentTick; fLastParentTick=*pfNextParentTick, pfNextParentTick = aIter.nextValue()) + { + for( sal_Int32 nPartTick = 1; nPartTick<nIntervalCount; nPartTick++ ) + { + pValue = this->getMinorTick( nPartTick, nDepth + , fLastParentTick, *pfNextParentTick ); + if(!pValue) + continue; + + aSubTicks[nRealSubTickCount] = *pValue; + nRealSubTickCount++; + } + } + + aSubTicks.realloc(nRealSubTickCount); + rParentTicks[nDepth] = aSubTicks; + if(m_rIncrement.SubIncrements.getLength()>nDepth) + addSubTicks( nDepth+1, rParentTicks ); +} + +//----------------------------------------------------------------------------- +// ___TickmarkHelper_2D___ +//----------------------------------------------------------------------------- +TickmarkHelper_2D::TickmarkHelper_2D( + const ExplicitScaleData& rScale, const ExplicitIncrementData& rIncrement + //, double fStrech_SceneToScreen, double fOffset_SceneToScreen ) + , const B2DVector& rStartScreenPos, const B2DVector& rEndScreenPos + , const B2DVector& rAxisLineToLabelLineShift ) + : TickmarkHelper( rScale, rIncrement ) + , m_aAxisStartScreenPosition2D(rStartScreenPos) + , m_aAxisEndScreenPosition2D(rEndScreenPos) + , m_aAxisLineToLabelLineShift(rAxisLineToLabelLineShift) + , m_fStrech_LogicToScreen(1.0) + , m_fOffset_LogicToScreen(0.0) +{ + double fWidthY = m_fScaledVisibleMax - m_fScaledVisibleMin; + if( AxisOrientation_MATHEMATICAL==m_rScale.Orientation ) + { + m_fStrech_LogicToScreen = 1.0/fWidthY; + m_fOffset_LogicToScreen = -m_fScaledVisibleMin; + } + else + { + B2DVector aSwap(m_aAxisStartScreenPosition2D); + m_aAxisStartScreenPosition2D = m_aAxisEndScreenPosition2D; + m_aAxisEndScreenPosition2D = aSwap; + + m_fStrech_LogicToScreen = -1.0/fWidthY; + m_fOffset_LogicToScreen = -m_fScaledVisibleMax; + } +} + +TickmarkHelper* TickmarkHelper_2D::createShiftedTickmarkHelper() const +{ + ExplicitIncrementData aShiftedIncrement( m_rIncrement ); + aShiftedIncrement.BaseValue = m_rIncrement.BaseValue-m_rIncrement.Distance/2.0; + + ::basegfx::B2DVector aStart( m_aAxisStartScreenPosition2D ); + ::basegfx::B2DVector aEnd( m_aAxisEndScreenPosition2D ); + if( AxisOrientation_MATHEMATICAL==m_rScale.Orientation ) + std::swap( aStart, aEnd ); + + return new TickmarkHelper_2D( m_rScale, aShiftedIncrement, aStart, aEnd, m_aAxisLineToLabelLineShift ); +} + +TickmarkHelper_2D::~TickmarkHelper_2D() +{ +} + +bool TickmarkHelper_2D::isHorizontalAxis() const +{ + return ( m_aAxisStartScreenPosition2D.getY() == m_aAxisEndScreenPosition2D.getY() ); +} +bool TickmarkHelper_2D::isVerticalAxis() const +{ + return ( m_aAxisStartScreenPosition2D.getX() == m_aAxisEndScreenPosition2D.getX() ); +} + +sal_Int32 TickmarkHelper_2D::getTickScreenDistance( TickIter& rIter ) +{ + //return the positive distance between the two first tickmarks in screen values + //if there are less than two tickmarks -1 is returned + + const TickInfo* pFirstTickInfo = rIter.firstInfo(); + const TickInfo* pSecondTickInfo = rIter.nextInfo(); + if(!pSecondTickInfo || !pFirstTickInfo) + return -1; + + return pFirstTickInfo->getScreenDistanceBetweenTicks( *pSecondTickInfo ); +} + +B2DVector TickmarkHelper_2D::getTickScreenPosition2D( double fScaledLogicTickValue ) const +{ + B2DVector aRet(m_aAxisStartScreenPosition2D); + aRet += (m_aAxisEndScreenPosition2D-m_aAxisStartScreenPosition2D) + *((fScaledLogicTickValue+m_fOffset_LogicToScreen)*m_fStrech_LogicToScreen); + return aRet; +} + +void TickmarkHelper_2D::addPointSequenceForTickLine( drawing::PointSequenceSequence& rPoints + , sal_Int32 nSequenceIndex + , double fScaledLogicTickValue, double fInnerDirectionSign + , const TickmarkProperties& rTickmarkProperties + , bool bPlaceAtLabels ) const +{ + if( fInnerDirectionSign==0.0 ) + fInnerDirectionSign = 1.0; + + B2DVector aTickScreenPosition = this->getTickScreenPosition2D(fScaledLogicTickValue); + if( bPlaceAtLabels ) + aTickScreenPosition += m_aAxisLineToLabelLineShift; + + B2DVector aMainDirection = m_aAxisEndScreenPosition2D-m_aAxisStartScreenPosition2D; + aMainDirection.normalize(); + B2DVector aOrthoDirection(-aMainDirection.getY(),aMainDirection.getX()); + aOrthoDirection *= fInnerDirectionSign; + aOrthoDirection.normalize(); + + B2DVector aStart = aTickScreenPosition + aOrthoDirection*rTickmarkProperties.RelativePos; + B2DVector aEnd = aStart - aOrthoDirection*rTickmarkProperties.Length; + + rPoints[nSequenceIndex].realloc(2); + rPoints[nSequenceIndex][0].X = static_cast<sal_Int32>(aStart.getX()); + rPoints[nSequenceIndex][0].Y = static_cast<sal_Int32>(aStart.getY()); + rPoints[nSequenceIndex][1].X = static_cast<sal_Int32>(aEnd.getX()); + rPoints[nSequenceIndex][1].Y = static_cast<sal_Int32>(aEnd.getY()); +} + +B2DVector TickmarkHelper_2D::getDistanceAxisTickToText( const AxisProperties& rAxisProperties, bool bIncludeFarAwayDistanceIfSo, bool bIncludeSpaceBetweenTickAndText ) const +{ + bool bFarAwayLabels = false; + if( ::com::sun::star::chart::ChartAxisLabelPosition_OUTSIDE_START == rAxisProperties.m_eLabelPos + || ::com::sun::star::chart::ChartAxisLabelPosition_OUTSIDE_END == rAxisProperties.m_eLabelPos ) + bFarAwayLabels = true; + + double fInnerDirectionSign = rAxisProperties.m_fInnerDirectionSign; + if( fInnerDirectionSign==0.0 ) + fInnerDirectionSign = 1.0; + + B2DVector aMainDirection = m_aAxisEndScreenPosition2D-m_aAxisStartScreenPosition2D; + aMainDirection.normalize(); + B2DVector aOrthoDirection(-aMainDirection.getY(),aMainDirection.getX()); + aOrthoDirection *= fInnerDirectionSign; + aOrthoDirection.normalize(); + + B2DVector aStart(0,0), aEnd(0,0); + if( bFarAwayLabels ) + { + TickmarkProperties aProps( AxisProperties::getBiggestTickmarkProperties() ); + aStart = aOrthoDirection*aProps.RelativePos; + aEnd = aStart - aOrthoDirection*aProps.Length; + } + else + { + for( sal_Int32 nN=rAxisProperties.m_aTickmarkPropertiesList.size();nN--;) + { + const TickmarkProperties& rProps = rAxisProperties.m_aTickmarkPropertiesList[nN]; + B2DVector aNewStart = aOrthoDirection*rProps.RelativePos; + B2DVector aNewEnd = aNewStart - aOrthoDirection*rProps.Length; + if(aNewStart.getLength()>aStart.getLength()) + aStart=aNewStart; + if(aNewEnd.getLength()>aEnd.getLength()) + aEnd=aNewEnd; + } + } + + B2DVector aLabelDirection(aStart); + if( rAxisProperties.m_fInnerDirectionSign != rAxisProperties.m_fLabelDirectionSign ) + aLabelDirection = aEnd; + + B2DVector aOrthoLabelDirection(aOrthoDirection); + if( rAxisProperties.m_fInnerDirectionSign != rAxisProperties.m_fLabelDirectionSign ) + aOrthoLabelDirection*=-1.0; + aOrthoLabelDirection.normalize(); + if( bIncludeSpaceBetweenTickAndText ) + aLabelDirection += aOrthoLabelDirection*AXIS2D_TICKLABELSPACING; + if( bFarAwayLabels && bIncludeFarAwayDistanceIfSo ) + aLabelDirection += m_aAxisLineToLabelLineShift; + return aLabelDirection; +} + +void TickmarkHelper_2D::createPointSequenceForAxisMainLine( drawing::PointSequenceSequence& rPoints ) const +{ + rPoints[0].realloc(2); + rPoints[0][0].X = static_cast<sal_Int32>(m_aAxisStartScreenPosition2D.getX()); + rPoints[0][0].Y = static_cast<sal_Int32>(m_aAxisStartScreenPosition2D.getY()); + rPoints[0][1].X = static_cast<sal_Int32>(m_aAxisEndScreenPosition2D.getX()); + rPoints[0][1].Y = static_cast<sal_Int32>(m_aAxisEndScreenPosition2D.getY()); +} + +void TickmarkHelper_2D::updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const +{ + //get the transformed screen values for all tickmarks in rAllTickInfos + ::std::vector< ::std::vector< TickInfo > >::iterator aDepthIter = rAllTickInfos.begin(); + const ::std::vector< ::std::vector< TickInfo > >::const_iterator aDepthEnd = rAllTickInfos.end(); + for( ; aDepthIter != aDepthEnd; aDepthIter++ ) + { + ::std::vector< TickInfo >::iterator aTickIter = (*aDepthIter).begin(); + const ::std::vector< TickInfo >::const_iterator aTickEnd = (*aDepthIter).end(); + for( ; aTickIter != aTickEnd; aTickIter++ ) + { + TickInfo& rTickInfo = (*aTickIter); + rTickInfo.aTickScreenPosition = + this->getTickScreenPosition2D( rTickInfo.fScaledTickValue ); + } + } +} + +//----------------------------------------------------------------------------- +// ___TickmarkHelper_3D___ +//----------------------------------------------------------------------------- +TickmarkHelper_3D::TickmarkHelper_3D( + const ExplicitScaleData& rScale, const ExplicitIncrementData& rIncrement ) + : TickmarkHelper( rScale, rIncrement ) +{ +} + +TickmarkHelper* TickmarkHelper_3D::createShiftedTickmarkHelper() const +{ + ExplicitIncrementData aShiftedIncrement( m_rIncrement ); + aShiftedIncrement.BaseValue = m_rIncrement.BaseValue-m_rIncrement.Distance/2.0; + return new TickmarkHelper_3D( m_rScale, aShiftedIncrement ); +} + +TickmarkHelper_3D::~TickmarkHelper_3D() +{ +} + +//............................................................................. +} //namespace chart +//............................................................................. |