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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /chart2/source/view/inc/VSeriesPlotter.hxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- 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<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;
+
+ 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();
+
+protected:
+
+ VSeriesPlotter( const 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 );
+
+ /// 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 );
+
+ /** 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: */