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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 .
*/
#ifndef _CHART2_PIECHART_HXX
#define _CHART2_PIECHART_HXX
#include "VSeriesPlotter.hxx"
#include <basegfx/vector/b2dvector.hxx>
#include <basegfx/range/b2irectangle.hxx>
//.............................................................................
namespace chart
{
//.............................................................................
class PiePositionHelper;
class PieChart : public VSeriesPlotter
{
//-------------------------------------------------------------------------
// public methods
//-------------------------------------------------------------------------
public:
PieChart( const ::com::sun::star::uno::Reference<
::com::sun::star::chart2::XChartType >& xChartTypeModel
, sal_Int32 nDimensionCount, bool bExcludingPositioning );
virtual ~PieChart();
virtual void createShapes();
virtual void rearrangeLabelToAvoidOverlapIfRequested( const ::com::sun::star::awt::Size& rPageSize );
virtual void setScales( const ::std::vector< ExplicitScaleData >& rScales, bool bSwapXAndYAxis );
virtual void addSeries( VDataSeries* pSeries, sal_Int32 zSlot = -1, sal_Int32 xSlot = -1,sal_Int32 ySlot = -1 );
//-------------------
virtual ::com::sun::star::drawing::Direction3D getPreferredDiagramAspectRatio() const;
virtual bool keepAspectRatio() const;
virtual bool shouldSnapRectToUsedArea();
//MinimumAndMaximumSupplier
virtual double getMinimumX();
virtual double getMaximumX();
virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex );
virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex );
virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex );
virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex );
virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex );
//-------------------------------------------------------------------------
//-------------------------------------------------------------------------
//-------------------------------------------------------------------------
private: //methods
//no default constructor
PieChart();
::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape >
createDataPoint( const ::com::sun::star::uno::Reference<
::com::sun::star::drawing::XShapes >& xTarget
, const ::com::sun::star::uno::Reference<
::com::sun::star::beans::XPropertySet >& xObjectProperties
, double fUnitCircleStartAngleDegree, double fWidthAngleDegree
, double fUnitCircleInnerRadius, double fUnitCircleOuterRadius
, double fLogicZ, double fDepth, double fExplodePercentage
, tPropertyNameValueMap* pOverWritePropertiesMap );
double getMaxOffset();
bool detectLabelOverlapsAndMove(const ::com::sun::star::awt::Size& rPageSize);//returns true when there might be more to do
void resetLabelPositionsToPreviousState();
struct PieLabelInfo;
bool tryMoveLabels( PieLabelInfo* pFirstBorder, PieLabelInfo* pSecondBorder
, PieLabelInfo* pCenter, bool bSingleCenter, bool& rbAlternativeMoveDirection
, const ::com::sun::star::awt::Size& rPageSize );
private: //member
PiePositionHelper* m_pPosHelper;
bool m_bUseRings;
bool m_bSizeExcludesLabelsAndExplodedSegments;
struct PieLabelInfo
{
PieLabelInfo();
bool moveAwayFrom( const PieLabelInfo* pFix, const ::com::sun::star::awt::Size& rPageSize
, bool bMoveHalfWay, bool bMoveClockwise, bool bAlternativeMoveDirection );
::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape > xTextShape;
::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape > xLabelGroupShape;
::basegfx::B2IVector aFirstPosition;
::basegfx::B2IVector aOrigin;
double fValue;
bool bMovementAllowed;
bool bMoved;
::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes > xTextTarget;
PieLabelInfo* pPrevious;
PieLabelInfo* pNext;
::com::sun::star::awt::Point aPreviousPosition;
};
::std::vector< PieLabelInfo > m_aLabelInfoList;
double m_fMaxOffset; /// cached max offset value (init'ed to NaN)
};
//.............................................................................
} //namespace chart
//.............................................................................
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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