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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 <sal/types.h>
#include <memory>
#include <map>
#include <VCoordinateSystem.hxx>
#include <AxisHelper.hxx>
#include <ScaleAutomatism.hxx>
namespace chart
{
//first index is the dimension, second index is the axis index that indicates whether this is a main or secondary axis
typedef std::pair<sal_Int32, sal_Int32> tFullAxisIndex;
typedef std::map<VCoordinateSystem*, tFullAxisIndex> tCoordinateSystemMap;
/** This class handles a collection of coordinate systems and is used for
* executing some action on all coordinate systems such as
* "prepareAutomaticAxisScaling" and "setExplicitScaleAndIncrement".
* Moreover it contains the "aAutoScaling" object that is an instance of
* the "ScaleAutomatism" class. The initialization of "aAutoScaling" is
* performed in the "SeriesPlotterContainer::initAxisUsageList" method and is
* used in the "SeriesPlotterContainer::doAutoScaling" for calculating explicit
* scale and increment objects (see "SeriesPlotterContainer::doAutoScaling").
*/
class AxisUsage
{
public:
AxisUsage()
: aAutoScaling(AxisHelper::createDefaultScale(), Date(Date::SYSTEM))
{
}
void addCoordinateSystem(VCoordinateSystem* pCooSys, sal_Int32 nDimensionIndex,
sal_Int32 nAxisIndex)
{
if (!pCooSys)
return;
tFullAxisIndex aFullAxisIndex(nDimensionIndex, nAxisIndex);
tCoordinateSystemMap::const_iterator aFound(aCoordinateSystems.find(pCooSys));
//use one scale only once for each coordinate system
//main axis are preferred over secondary axis
//value scales are preferred
if (aFound != aCoordinateSystems.end())
{
sal_Int32 nFoundAxisIndex = aFound->second.second;
if (nFoundAxisIndex < nAxisIndex)
return;
sal_Int32 nFoundDimension = aFound->second.first;
if (nFoundDimension == 1)
return;
if (nFoundDimension < nDimensionIndex)
return;
}
aCoordinateSystems[pCooSys] = aFullAxisIndex;
//set maximum scale index
auto aIter = aMaxIndexPerDimension.find(nDimensionIndex);
if (aIter != aMaxIndexPerDimension.end())
{
sal_Int32 nCurrentMaxIndex = aIter->second;
if (nCurrentMaxIndex < nAxisIndex)
aMaxIndexPerDimension[nDimensionIndex] = nAxisIndex;
}
else
aMaxIndexPerDimension[nDimensionIndex] = nAxisIndex;
}
std::vector<VCoordinateSystem*> getCoordinateSystems(sal_Int32 nDimensionIndex,
sal_Int32 nAxisIndex)
{
std::vector<VCoordinateSystem*> aRet;
for (auto const& coordinateSystem : aCoordinateSystems)
{
if (coordinateSystem.second.first != nDimensionIndex)
continue;
if (coordinateSystem.second.second != nAxisIndex)
continue;
aRet.push_back(coordinateSystem.first);
}
return aRet;
}
sal_Int32 getMaxAxisIndexForDimension(sal_Int32 nDimensionIndex)
{
sal_Int32 nRet = -1;
auto aIter = aMaxIndexPerDimension.find(nDimensionIndex);
if (aIter != aMaxIndexPerDimension.end())
nRet = aIter->second;
return nRet;
}
void prepareAutomaticAxisScaling(ScaleAutomatism& rScaleAutomatism, sal_Int32 nDimIndex,
sal_Int32 nAxisIndex)
{
std::vector<VCoordinateSystem*> aVCooSysList = getCoordinateSystems(nDimIndex, nAxisIndex);
for (VCoordinateSystem* pVCoordinateSystem : aVCooSysList)
pVCoordinateSystem->prepareAutomaticAxisScaling(rScaleAutomatism, nDimIndex,
nAxisIndex);
}
void setExplicitScaleAndIncrement(sal_Int32 nDimIndex, sal_Int32 nAxisIndex,
const ExplicitScaleData& rScale,
const ExplicitIncrementData& rInc)
{
std::vector<VCoordinateSystem*> aVCooSysList = getCoordinateSystems(nDimIndex, nAxisIndex);
for (VCoordinateSystem* pVCoordinateSystem : aVCooSysList)
pVCoordinateSystem->setExplicitScaleAndIncrement(nDimIndex, nAxisIndex, rScale, rInc);
}
ScaleAutomatism aAutoScaling;
private:
tCoordinateSystemMap aCoordinateSystems;
std::map<sal_Int32, sal_Int32> aMaxIndexPerDimension;
};
} //end chart2 namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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