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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 <chartview/ExplicitScaleValues.hxx>
#include <basegfx/vector/b2dvector.hxx>
#include <com/sun/star/drawing/PointSequenceSequence.hpp>
#include <rtl/ref.hxx>
#include <svx/unoshape.hxx>
#include <vector>
namespace chart { struct AxisProperties; }
namespace chart { struct TickmarkProperties; }
namespace com::sun::star::chart2 { class XScaling; }
namespace com::sun::star::drawing { class XShape; }
namespace chart {
struct TickInfo
{
double fScaledTickValue;
css::uno::Reference<css::chart2::XScaling> xInverseScaling;
rtl::Reference<SvxShapeText> xTextShape;
OUString aText;//used only for complex categories so far
::basegfx::B2DVector aTickScreenPosition;
sal_Int32 nFactorForLimitedTextWidth;//categories in higher levels of complex categories can have more place than a single simple category
bool bPaintIt;
//methods:
TickInfo() = delete;
explicit TickInfo( const css::uno::Reference<css::chart2::XScaling>& xInverse );
/**
* Return a value associated with the tick mark. It's normally an original
* value from the data source, or 1-based integer index in case the axis
* is a category axis.
*/
double getUnscaledTickValue() const;
sal_Int32 getScreenDistanceBetweenTicks( const TickInfo& rOherTickInfo ) const;
};
typedef std::vector<TickInfo> TickInfoArrayType;
typedef std::vector<TickInfoArrayType> TickInfoArraysType;
class TickIter
{
public:
virtual ~TickIter() {}
virtual TickInfo* firstInfo() = 0;
virtual TickInfo* nextInfo() = 0;
};
class PureTickIter : public TickIter
{
public:
explicit PureTickIter( TickInfoArrayType& rTickInfoVector );
virtual ~PureTickIter() override;
virtual TickInfo* firstInfo() override;
virtual TickInfo* nextInfo() override;
private:
TickInfoArrayType& m_rTickVector;
TickInfoArrayType::iterator m_aTickIter;
};
class TickFactory
{
public:
TickFactory(
const ExplicitScaleData& rScale
, const ExplicitIncrementData& rIncrement );
virtual ~TickFactory();
void getAllTicks( TickInfoArraysType& rAllTickInfos ) const;
void getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const;
private: //methods
bool isDateAxis() const;
protected: //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;
};
class TickFactory2D final : public TickFactory
{
public:
TickFactory2D(
const ExplicitScaleData& rScale
, const ExplicitIncrementData& rIncrement
, const ::basegfx::B2DVector& rStartScreenPos, const ::basegfx::B2DVector& rEndScreenPos
, const ::basegfx::B2DVector& rAxisLineToLabelLineShift );
virtual ~TickFactory2D() override;
static sal_Int32 getTickScreenDistance( TickIter& rIter );
void createPointSequenceForAxisMainLine( css::drawing::PointSequenceSequence& rPoints ) const;
void addPointSequenceForTickLine( css::drawing::PointSequenceSequence& rPoints
, sal_Int32 nSequenceIndex
, double fScaledLogicTickValue, double fInnerDirectionSign
, const TickmarkProperties& rTickmarkProperties, bool bPlaceAtLabels ) const;
::basegfx::B2DVector getDistanceAxisTickToText( const AxisProperties& rAxisProperties
, bool bIncludeFarAwayDistanceIfSo = false
, bool bIncludeSpaceBetweenTickAndText = true ) const;
/**
* Determine the screen positions of all ticks based on their numeric values.
*/
void updateScreenValues( TickInfoArraysType& rAllTickInfos ) const;
bool isHorizontalAxis() const;
bool isVerticalAxis() const;
const ::basegfx::B2DVector & getXaxisStartPos() const
{
return m_aAxisStartScreenPosition2D;
}
const ::basegfx::B2DVector & getXaxisEndPos() const
{
return m_aAxisEndScreenPosition2D;
}
private:
::basegfx::B2DVector getTickScreenPosition2D( double fScaledLogicTickValue ) const;
::basegfx::B2DVector m_aAxisStartScreenPosition2D;
::basegfx::B2DVector m_aAxisEndScreenPosition2D;
//labels might be positioned high or low on the border of the diagram far away from the axis
//add this vector to go from the axis line to the label line (border of the diagram)
::basegfx::B2DVector m_aAxisLineToLabelLineShift;
double m_fStretch_LogicToScreen;
double m_fOffset_LogicToScreen;
};
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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