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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.
*
************************************************************************/
#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;
//methods:
TickInfo();
void updateUnscaledValue( const ::com::sun::star::uno::Reference<
::com::sun::star::chart2::XScaling >& xInverseScaling );
};
class TickIter
{
public:
TickIter( 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 );
TickIter( ::std::vector< ::std::vector< TickInfo > >& rTickInfos
, const ::com::sun::star::chart2::ExplicitIncrementData& rIncrement
, sal_Int32 nMinDepth=0, sal_Int32 nMaxDepth=-1 );
virtual ~TickIter();
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 {}
virtual void hideIdenticalScreenValues( ::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 ) const;
virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
virtual void hideIdenticalScreenValues( ::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
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