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libreoffice/chart2/source/view/inc/VSeriesPlotter.hxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

450 lines
19 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* 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 double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) override;
virtual double getMaximumYInRange( 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: */