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/*************************************************************************
*
* 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 "Tickmarks.hxx"
#include "Tickmarks_Equidistant.hxx"
#include "Tickmarks_Dates.hxx"
#include "ViewDefines.hxx"
#include <rtl/math.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( const ::com::sun::star::uno::Reference<
::com::sun::star::chart2::XScaling >& xInverse )
: fScaledTickValue( 0.0 )
, xInverseScaling( xInverse )
, aTickScreenPosition(0.0,0.0)
, bPaintIt( true )
, xTextShape( NULL )
, nFactorForLimitedTextWidth(1)
{
}
double TickInfo::getUnscaledTickValue() const
{
if( xInverseScaling.is() )
return xInverseScaling->doScaling( fScaledTickValue );
else
return 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()
{
if(m_aTickIter!=m_rTickVector.end())
{
++m_aTickIter;
if(m_aTickIter!=m_rTickVector.end())
return &*m_aTickIter;
}
return 0;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
TickFactory::TickFactory(
const ExplicitScaleData& rScale, const ExplicitIncrementData& rIncrement )
: m_rScale( rScale )
, m_rIncrement( rIncrement )
, m_xInverseScaling(NULL)
{
//@todo: make sure that the scale is valid for the scaling
if( m_rScale.Scaling.is() )
{
m_xInverseScaling = m_rScale.Scaling->getInverseScaling();
OSL_ENSURE( m_xInverseScaling.is(), "each Scaling needs to return a inverse Scaling" );
}
m_fScaledVisibleMin = m_rScale.Minimum;
if( m_xInverseScaling.is() )
m_fScaledVisibleMin = m_rScale.Scaling->doScaling(m_fScaledVisibleMin);
m_fScaledVisibleMax = m_rScale.Maximum;
if( m_xInverseScaling.is() )
m_fScaledVisibleMax = m_rScale.Scaling->doScaling(m_fScaledVisibleMax);
}
TickFactory::~TickFactory()
{
}
bool TickFactory::isDateAxis() const
{
return m_rScale.AxisType == AxisType::DATE;
}
void TickFactory::getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const
{
if( isDateAxis() )
DateTickFactory( m_rScale, m_rIncrement ).getAllTicks( rAllTickInfos );
else
EquidistantTickFactory( m_rScale, m_rIncrement ).getAllTicks( rAllTickInfos );
}
void TickFactory::getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const
{
if( isDateAxis() )
DateTickFactory( m_rScale, m_rIncrement ).getAllTicksShifted( rAllTickInfos );
else
EquidistantTickFactory( m_rScale, m_rIncrement ).getAllTicksShifted( rAllTickInfos );
}
//-----------------------------------------------------------------------------
// ___TickFactory_2D___
//-----------------------------------------------------------------------------
TickFactory_2D::TickFactory_2D(
const ExplicitScaleData& rScale, const ExplicitIncrementData& rIncrement
//, double fStrech_SceneToScreen, double fOffset_SceneToScreen )
, const B2DVector& rStartScreenPos, const B2DVector& rEndScreenPos
, const B2DVector& rAxisLineToLabelLineShift )
: TickFactory( 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;
}
}
TickFactory_2D::~TickFactory_2D()
{
}
bool TickFactory_2D::isHorizontalAxis() const
{
return ( m_aAxisStartScreenPosition2D.getY() == m_aAxisEndScreenPosition2D.getY() );
}
bool TickFactory_2D::isVerticalAxis() const
{
return ( m_aAxisStartScreenPosition2D.getX() == m_aAxisEndScreenPosition2D.getX() );
}
//static
sal_Int32 TickFactory_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 TickFactory_2D::getTickScreenPosition2D( double fScaledLogicTickValue ) const
{
B2DVector aRet(m_aAxisStartScreenPosition2D);
aRet += (m_aAxisEndScreenPosition2D-m_aAxisStartScreenPosition2D)
*((fScaledLogicTickValue+m_fOffset_LogicToScreen)*m_fStrech_LogicToScreen);
return aRet;
}
void TickFactory_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 TickFactory_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 TickFactory_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 TickFactory_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 );
}
}
}
//.............................................................................
} //namespace chart
//.............................................................................
|
