office-gobmx/chart2/source/view/axes/Tickmarks.hxx
2010-11-30 01:45:03 +01:00

166 lines
6 KiB
C++

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#ifndef _CHART2_TICKMARKS_HXX
#define _CHART2_TICKMARKS_HXX
#include "TickmarkProperties.hxx"
#include "VAxisProperties.hxx"
#include "chartview/ExplicitScaleValues.hxx"
#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;
::com::sun::star::uno::Reference<
::com::sun::star::chart2::XScaling > xInverseScaling;
::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( const ::com::sun::star::uno::Reference<
::com::sun::star::chart2::XScaling >& xInverseScaling );
double getUnscaledTickValue() const;
sal_Int32 getScreenDistanceBetweenTicks( const TickInfo& rOherTickInfo ) const;
private:
TickInfo();
};
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 TickFactory
{
public:
TickFactory(
const ExplicitScaleData& rScale
, const ExplicitIncrementData& rIncrement );
virtual ~TickFactory();
void getAllTicks( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
void getAllTicksShifted( ::std::vector< ::std::vector< TickInfo > >& rAllTickInfos ) const;
virtual void updateScreenValues( ::std::vector< ::std::vector< TickInfo > >& /*rAllTickInfos*/ ) const {}
private: //methods
bool isDateAxis() const;
protected: //member
ExplicitScaleData m_rScale;
ExplicitIncrementData m_rIncrement;
::com::sun::star::uno::Reference< ::com::sun::star::chart2::XScaling >
m_xInverseScaling;
//minimum and maximum of the visible range after scaling
double m_fScaledVisibleMin;
double m_fScaledVisibleMax;
};
class TickFactory_2D : public TickFactory
{
public:
TickFactory_2D(
const ExplicitScaleData& rScale
, const ExplicitIncrementData& rIncrement
, const ::basegfx::B2DVector& rStartScreenPos, const ::basegfx::B2DVector& rEndScreenPos
, const ::basegfx::B2DVector& rAxisLineToLabelLineShift );
//, double fStrech_SceneToScreen, double fOffset_SceneToScreen );
virtual ~TickFactory_2D();
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;
};
//.............................................................................
} //namespace chart
//.............................................................................
#endif