Quelle VSeriesPlotter.hxx
Sprache: C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* This Source Code Form is subject to the terms of the Mozilla Public
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* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <memory>
#include "PlotterBase.hxx"
#include "VDataSeries.hxx"
#include "LabelAlignment.hxx"
#include "MinimumAndMaximumSupplier.hxx"
#include "LegendEntryProvider.hxx"
#include <basegfx/range/b2irectangle.hxx>
#include <com/sun/star/drawing/Direction3D.hpp>
#include <rtl/ref.hxx>
#include <svx/unoshape.hxx>
namespace com::sun::star::awt { struct Point; }
namespace com::sun::star::chart2 { class XChartType; }
namespace chart { class ExplicitCategoriesProvider; }
namespace chart { struct ExplicitScaleData; }
namespace chart { class ChartModel; }
namespace com::sun::star {
namespace util {
class XNumberFormatsSupplier;
}
namespace chart2 {
class XColorScheme;
class XRegressionCurveCalculator;
}
}
namespace chart {
class ChartType;
class NumberFormatterWrapper;
class AxesNumberFormats
{
public :
AxesNumberFormats() {};
void setFormat( sal_Int32 nFormatKey, sal_Int32 nDimIndex, sal_Int32 nAxisIndex )
{
m_aNumberFormatMap[tFullAxisIndex(nDimIndex,nAxisIndex)] = nFormatKey;
}
private :
typedef std::pair< sal_Int32, sal_Int32 > tFullAxisIndex;
std::map< tFullAxisIndex, sal_Int32 > m_aNumberFormatMap;
};
/**
* A list of series that have the same CoordinateSystem . They are used to be
* plotted maybe in a stacked manner by a plotter .
*/
class VDataSeriesGroup final
{
public :
VDataSeriesGroup() = delete ;
VDataSeriesGroup( std::unique_ptr<VDataSeries> pSeries );
VDataSeriesGroup(VDataSeriesGroup&&) noexcept;
~VDataSeriesGroup();
void addSeries( std::unique_ptr<VDataSeries> pSeries );//takes ownership of pSeries
sal_Int32 getSeriesCount() const ;
void deleteSeries();
sal_Int32 getPointCount() const ;
sal_Int32 getAttachedAxisIndexForFirstSeries() const ;
void getMinimumAndMaximumX( double & rfMinimum, double & rfMaximum ) const ;
void getMinimumAndMaximumYInContinuousXRange( double & rfMinY, double & rfMaxY, double fMinX, double fMaxX, sal_Int32 nAxisIndex ) const ;
void calculateYMinAndMaxForCategory( sal_Int32 nCategoryIndex
, bool bSeparateStackingForDifferentSigns
, double & rfMinimumY, double & rfMaximumY, sal_Int32 nAxisIndex ) const ;
void calculateYMinAndMaxForCategoryRange( sal_Int32 nStartCategoryIndex, sal_Int32 nEndCategoryIndex
, bool bSeparateStackingForDifferentSigns
, double & rfMinimumY, double & rfMaximumY, sal_Int32 nAxisIndex );
std::vector< std::unique_ptr<VDataSeries> > m_aSeriesVector;
private :
//cached values
struct CachedYValues
{
CachedYValues();
bool m_bValuesDirty;
double m_fMinimumY;
double m_fMaximumY;
};
mutable bool m_bMaxPointCountDirty;
mutable sal_Int32 m_nMaxPointCount;
typedef std::map< sal_Int32, CachedYValues > tCachedYValuesPerAxisIndexMap;
mutable std::vector< tCachedYValuesPerAxisIndexMap > m_aListOfCachedYValues;
};
class VSeriesPlotter : public PlotterBase, public MinimumAndMaximumSupplier, public LegendEntryProvider
{
public :
VSeriesPlotter() = delete ;
virtual ~VSeriesPlotter() override;
/**
* A new series can be positioned relative to other series in a chart .
* This positioning has two dimensions . First a series can be placed
* next to each other on the category axis . This position is indicated by xSlot .
* Second a series can be stacked on top of another . This position is indicated by ySlot .
* The positions are counted from 0 on .
* xSlot < 0 : append the series to already existing x series
* xSlot > occupied : append the series to already existing x series
*
* If the xSlot is already occupied the given ySlot decides what should happen :
* ySlot < - 1 : move all existing series in the xSlot to next slot
* ySlot = = - 1 : stack on top at given x position
* ySlot = = already occupied : insert at given y and x position
* ySlot > occupied : stack on top at given x position
*/
virtual void addSeries( std::unique_ptr<VDataSeries> pSeries, sal_Int32 zSlot, sal_Int32 xSlot, sal_Int32 ySlot );
/** a value <= 0 for a directions means that this direction can be stretched arbitrary
*/
virtual css::drawing::Direction3D getPreferredDiagramAspectRatio() const ;
/** this enables you to handle series on the same x axis with different y axis
the property AttachedAxisIndex at a dataseries indicates which value scale is to use
( 0 = = AttachedAxisIndex or a not set AttachedAxisIndex property indicates that this series should be scaled at the main y - axis ;
1 = = AttachedAxisIndex indicates that the series should be scaled at the first secondary axis if there is any otherwise at the main y axis
and so on .
The parameter nAxisIndex matches this DataSeries property ' AttachedAxisIndex ' .
nAxisIndex must be greater than 0 . nAxisIndex = = 1 refers to the first secondary axis .
)
@ throws css : : uno : : RuntimeException
*/
void addSecondaryValueScale( const ExplicitScaleData& rScale, sal_Int32 nAxisIndex );
// MinimumAndMaximumSupplier
virtual double getMinimumX() override;
virtual double getMaximumX() override;
virtual std::pair<double , double > getMinimumAndMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) override;
virtual double getMinimumZ() override;
virtual double getMaximumZ() override;
virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex ) override;
virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex ) override;
virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex ) override;
virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex ) override;
virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) override;
virtual tools::Long calculateTimeResolutionOnXAxis() override;
virtual void setTimeResolutionOnXAxis( tools::Long nTimeResolution, const Date& rNullDate ) override;
void getMinimumAndMaximumX( double & rfMinimum, double & rfMaximum ) const ;
void getMinimumAndMaximumYInContinuousXRange( double & rfMinY, double & rfMaxY, double fMinX, double fMaxX, sal_Int32 nAxisIndex ) const ;
// Methods for handling legends and legend entries.
virtual std::vector< ViewLegendEntry > createLegendEntries(
const css::awt::Size& rEntryKeyAspectRatio,
css::chart2::LegendPosition eLegendPosition,
const css::uno::Reference< css::beans::XPropertySet >& xTextProperties,
const rtl::Reference<SvxShapeGroupAnyD>& xTarget,
const css::uno::Reference< css::uno::XComponentContext >& xContext,
ChartModel& rModel
) override;
virtual LegendSymbolStyle getLegendSymbolStyle();
virtual css::awt::Size getPreferredLegendKeyAspectRatio() override;
virtual css::uno::Any getExplicitSymbol( const VDataSeries& rSeries, sal_Int32 nPointIndex/*-1 for series symbol*/ );
rtl::Reference<SvxShapeGroup> createLegendSymbolForSeries(
const css::awt::Size& rEntryKeyAspectRatio
, const VDataSeries& rSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
rtl::Reference< SvxShapeGroup > createLegendSymbolForPoint(
const css::awt::Size& rEntryKeyAspectRatio
, const VDataSeries& rSeries
, sal_Int32 nPointIndex
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
std::vector< ViewLegendEntry > createLegendEntriesForSeries(
const css::awt::Size& rEntryKeyAspectRatio,
const VDataSeries& rSeries,
const css::uno::Reference< css::beans::XPropertySet >& xTextProperties,
const rtl::Reference<SvxShapeGroupAnyD>& xTarget,
const css::uno::Reference< css::uno::XComponentContext >& xContext
);
std::vector<ViewLegendSymbol> createSymbols(
const css::awt::Size& rEntryKeyAspectRatio
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget
, const css::uno::Reference<css::uno::XComponentContext>& xContext);
std::vector<ViewLegendSymbol> createSymbolsForSeries(
const css::awt::Size& rEntryKeyAspectRatio
, const VDataSeries& rSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget
, const css::uno::Reference<css::uno::XComponentContext>& xContext);
std::vector<VDataSeries*> getAllSeries();
std::vector<VDataSeries const *> getAllSeries() const ;
// This method creates a series plotter of the requested type; e.g. : return new PieChart...
static VSeriesPlotter* createSeriesPlotter( const rtl::Reference< ::chart::ChartType >& xChartTypeModel
, sal_Int32 nDimensionCount
, bool bExcludingPositioning /*for pie and donut charts labels and exploded segments are excluded from the given size*/);
sal_Int32 getPointCount() const ;
// Methods for number formats and color schemes
void setNumberFormatsSupplier( const css::uno::Reference< css::util::XNumberFormatsSupplier > & xNumFmtSupplier );
void setColorScheme( const css::uno::Reference< css::chart2::XColorScheme >& xColorScheme );
void setExplicitCategoriesProvider( ExplicitCategoriesProvider* pExplicitCategoriesProvider );
ExplicitCategoriesProvider* getExplicitCategoriesProvider() { return m_pExplicitCategoriesProvider; }
//get series names for the z axis labels
css::uno::Sequence<OUString> getSeriesNames() const ;
//get all series names
css::uno::Sequence<OUString> getAllSeriesNames() const ;
void setPageReferenceSize( const css::awt::Size & rPageRefSize );
//better performance for big data
void setCoordinateSystemResolution( const css::uno::Sequence< sal_Int32 >& rCoordinateSystemResolution );
bool PointsWereSkipped() const { return m_bPointsWereSkipped;}
void setPieLabelsAllowToMove( bool bIsPieOrDonut ) { m_bPieLabelsAllowToMove = bIsPieOrDonut; };
void setAvailableOuterRect( const basegfx::B2IRectangle& aAvailableOuterRect ) { m_aAvailableOuterRect = aAvailableOuterRect; };
//return the depth for a logic 1
double getTransformedDepth() const ;
void releaseShapes();
virtual void rearrangeLabelToAvoidOverlapIfRequested( const css::awt::Size& rPageSize );
bool WantToPlotInFrontOfAxisLine();
virtual bool shouldSnapRectToUsedArea();
/// This method returns a text string representation of the passed numeric
/// value by exploiting a NumberFormatterWrapper object.
OUString getLabelTextForValue(VDataSeries const & rDataSeries, sal_Int32 nPointIndex,
double fValue, bool bAsPercentage);
sal_Int32 getRenderOrder() const ;
protected :
VSeriesPlotter( rtl::Reference< ::chart::ChartType > xChartTypeModel
, sal_Int32 nDimensionCount
, bool bCategoryXAxis=true );
// Methods for group shapes.
rtl::Reference<SvxShapeGroupAnyD>
getSeriesGroupShape( VDataSeries* pDataSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
//the following group shapes will be created as children of SeriesGroupShape on demand
//they can be used to assure that some parts of a series shape are always in front of others (e.g. symbols in front of lines)
//parameter xTarget will be used as parent for the series group shape
rtl::Reference<SvxShapeGroupAnyD>
getSeriesGroupShapeFrontChild( VDataSeries* pDataSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
rtl::Reference<SvxShapeGroupAnyD>
getSeriesGroupShapeBackChild( VDataSeries* pDataSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
/// This method creates a 2D group shape for containing all text shapes
/// needed for this series; the group is added to the text target;
static rtl::Reference<SvxShapeGroup>
getLabelsGroupShape( VDataSeries& rDataSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
rtl::Reference<SvxShapeGroupAnyD>
getErrorBarsGroupShape( VDataSeries& rDataSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget, bool bYError );
/** This method creates a text shape for a label related to a data point
* and append it to the root text shape group ( xTarget ) .
*
* @ param xTarget
* the main root text shape group .
* @ param rDataSeries
* the data series , the data point belongs to .
* @ param nPointIndex
* the index of the data point the label is related to .
* @ param fValue
* the value of the data point .
* @ param fSumValue
* the sum of all data point values in the data series .
* @ param rScreenPosition2D
* the anchor point position for the label .
* @ param eAlignment
* the required alignment of the label .
* @ param offset
* an optional offset depending on the label alignment .
* @ param nTextWidth
* the maximum width of a text label ( used for text wrapping ) .
*
* @ return
* a reference to the created text shape .
*/
rtl::Reference<SvxShapeText>
createDataLabel( const rtl::Reference<SvxShapeGroupAnyD>& xTarget
, VDataSeries& rDataSeries
, sal_Int32 nPointIndex
, double fValue
, double fSumValue
, const css::awt::Point& rScreenPosition2D
, LabelAlignment eAlignment
, sal_Int32 nOffset=0
, sal_Int32 nTextWidth = 0 );
/** creates two T-shaped error bars in both directions (up/down or
left / right depending on the bVertical parameter )
@ param rPos
logic coordinates
@ param xErrorBarProperties
the XPropertySet returned by the DataPoint - property " ErrorBarX " or
" ErrorBarY " .
@ param nIndex
the index of the data point in rData for which the calculation is
done .
@ param bVertical
for y - error bars this is true , for x - error - bars it is false .
*/
void createErrorBar(
const rtl::Reference<SvxShapeGroupAnyD>& xTarget
, const css::drawing::Position3D & rPos
, const css::uno::Reference< css::beans::XPropertySet > & xErrorBarProperties
, const VDataSeries& rVDataSeries
, sal_Int32 nIndex
, bool bVertical
, const double * pfScaledLogicX
);
void createErrorRectangle(
const css::drawing::Position3D& rUnscaledLogicPosition
, VDataSeries& rVDataSeries
, sal_Int32 nIndex
, const rtl::Reference<SvxShapeGroupAnyD>& rTarget
, bool bUseXErrorData
, bool bUseYErrorData
);
static void addErrorBorder(
const css::drawing::Position3D& rPos0
, const css::drawing::Position3D& rPos1
, const rtl::Reference<SvxShapeGroupAnyD>& rTarget
, const css::uno::Reference< css::beans::XPropertySet >& rErrorBorderProp );
void createErrorBar_X( const css::drawing::Position3D& rUnscaledLogicPosition
, VDataSeries& rVDataSeries, sal_Int32 nPointIndex
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget );
void createErrorBar_Y( const css::drawing::Position3D& rUnscaledLogicPosition
, VDataSeries& rVDataSeries, sal_Int32 nPointIndex
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget
, double const * pfScaledLogicX );
void createRegressionCurvesShapes( VDataSeries const & rVDataSeries
, const rtl::Reference<SvxShapeGroupAnyD>& xTarget
, const rtl::Reference<SvxShapeGroupAnyD>& xEquationTarget
, bool bMaySkipPointsInRegressionCalculation );
void createRegressionCurveEquationShapes( const OUString & rEquationCID
, const css::uno::Reference< css::beans::XPropertySet > & xEquationProperties
, const rtl::Reference<SvxShapeGroupAnyD>& xEquationTarget
, const css::uno::Reference< css::chart2::XRegressionCurveCalculator > & xRegressionCurveCalculator
, css::awt::Point aDefaultPos );
virtual PlottingPositionHelper& getPlottingPositionHelper( sal_Int32 nAxisIndex ) const ;//nAxisIndex indicates whether the position belongs to the main axis ( nAxisIndex==0 ) or secondary axis ( nAxisIndex==1 )
VDataSeries* getFirstSeries() const ;
OUString getCategoryName( sal_Int32 nPointIndex ) const ;
protected :
PlottingPositionHelper* m_pMainPosHelper;
rtl::Reference< ::chart::ChartType > m_xChartTypeModel;
std::vector< std::vector< VDataSeriesGroup > > m_aZSlots;
bool m_bCategoryXAxis;//true->xvalues are indices (this would not be necessary if series for category chart wouldn't have x-values)
tools::Long m_nTimeResolution;
Date m_aNullDate;
std::unique_ptr< NumberFormatterWrapper > m_apNumberFormatterWrapper;
css::uno::Reference< css::chart2::XColorScheme > m_xColorScheme;
ExplicitCategoriesProvider* m_pExplicitCategoriesProvider;
//better performance for big data
css::uno::Sequence< sal_Int32 > m_aCoordinateSystemResolution;
bool m_bPointsWereSkipped;
bool m_bPieLabelsAllowToMove;
basegfx::B2IRectangle m_aAvailableOuterRect;
css::awt::Size m_aPageReferenceSize;
private :
typedef std::map< sal_Int32 , ExplicitScaleData > tSecondaryValueScales;
tSecondaryValueScales m_aSecondaryValueScales;
typedef std::map< sal_Int32 , std::unique_ptr<PlottingPositionHelper> > tSecondaryPosHelperMap;
mutable tSecondaryPosHelperMap m_aSecondaryPosHelperMap;
};
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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2026-08-25
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