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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 "Tickmarks.hxx"
#include <memory>
#include <o3tl/safeint.hxx>
namespace chart
{
class EquidistantTickIter : public TickIter
{
public:
EquidistantTickIter( const css::uno::Sequence< css::uno::Sequence< double > >& rTicks
, const ExplicitIncrementData& rIncrement
, sal_Int32 nMaxDepth );
EquidistantTickIter( TickInfoArraysType& rTickInfos
, const ExplicitIncrementData& rIncrement
, sal_Int32 nMaxDepth );
virtual ~EquidistantTickIter() override;
double* firstValue();
double* nextValue();
virtual TickInfo* firstInfo() override;
virtual TickInfo* nextInfo() override;
private: //methods
sal_Int32 getIntervalCount( sal_Int32 nDepth );
bool isAtLastPartTick();
void initIter( sal_Int32 nMaxDepth );
sal_Int32 getStartDepth() const;
bool gotoFirst();
bool gotoNext();
double getTickValue(sal_Int32 nDepth, sal_Int32 nIndex) const
{
if(m_pSimpleTicks)
return (*m_pSimpleTicks)[nDepth][nIndex];
else
{
if ((*m_pInfoTicks)[nDepth].size() <= o3tl::make_unsigned(nIndex))
return std::numeric_limits<double>::max();
return (((*m_pInfoTicks)[nDepth])[nIndex]).fScaledTickValue;
}
}
sal_Int32 getTickCount( sal_Int32 nDepth ) const
{
if(m_pSimpleTicks)
return (*m_pSimpleTicks)[nDepth].getLength();
else
return (*m_pInfoTicks)[nDepth].size();
}
sal_Int32 getMaxDepth() const
{
if(m_pSimpleTicks)
return (*m_pSimpleTicks).getLength()-1;
else
return (*m_pInfoTicks).size()-1;
}
private: //member
const css::uno::Sequence< css::uno::Sequence< double > >* m_pSimpleTicks;
TickInfoArraysType* m_pInfoTicks;
const ExplicitIncrementData& m_rIncrement;
sal_Int32 m_nMaxDepth;
sal_Int32 m_nTickCount;
std::unique_ptr<sal_Int32[]>
m_pnPositions; //current positions in the different sequences
std::unique_ptr<sal_Int32[]>
m_pnPreParentCount; //the tickmarks do not start with a major tick always,
//the PreParentCount states for each depth how many subtickmarks are available in front of the first parent tickmark
std::unique_ptr<bool[]>
m_pbIntervalFinished;
sal_Int32 m_nCurrentDepth;
sal_Int32 m_nCurrentPos;
double m_fCurrentValue;
};
class EquidistantTickFactory
{
public:
EquidistantTickFactory(
const ExplicitScaleData& rScale
, const ExplicitIncrementData& rIncrement );
~EquidistantTickFactory();
void getAllTicks( TickInfoArraysType& rAllTickInfos ) const;
void getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const;
static double getMinimumAtIncrement( double fMin, const ExplicitIncrementData& rIncrement );
static double getMaximumAtIncrement( double fMax, const ExplicitIncrementData& rIncrement );
private: //methods
void addSubTicks( sal_Int32 nDepth,
css::uno::Sequence< css::uno::Sequence< double > >& rParentTicks ) const;
double* getMajorTick( sal_Int32 nTick ) const;
double* getMinorTick( sal_Int32 nTick, sal_Int32 nDepth
, double fStartParentTick, double fNextParentTick ) const;
sal_Int32 getMaxTickCount( sal_Int32 nDepth ) const;
sal_Int32 getTickDepth() const;
bool isVisible( double fValue ) const;
bool isWithinOuterBorder( double fScaledValue ) const; //all within the outer major tick marks
private: //member
ExplicitScaleData m_rScale;
ExplicitIncrementData m_rIncrement;
css::uno::Reference< css::chart2::XScaling > m_xInverseScaling;
//minimum and maximum of the visible range after scaling
double m_fScaledVisibleMin;
double m_fScaledVisibleMax;
std::unique_ptr<double[]>
m_pfCurrentValues;
//major-tick positions that may lay outside the visible range but complete partly visible intervals at the borders
double m_fOuterMajorTickBorderMin;
double m_fOuterMajorTickBorderMax;
double m_fOuterMajorTickBorderMin_Scaled;
double m_fOuterMajorTickBorderMax_Scaled;
};
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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