162 lines
5.5 KiB
C++
162 lines
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <chartview/ExplicitScaleValues.hxx>
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#include <basegfx/vector/b2dvector.hxx>
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#include <com/sun/star/drawing/PointSequenceSequence.hpp>
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#include <rtl/ref.hxx>
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#include <svx/unoshape.hxx>
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#include <vector>
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namespace chart { struct AxisProperties; }
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namespace chart { struct TickmarkProperties; }
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namespace com::sun::star::chart2 { class XScaling; }
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namespace com::sun::star::drawing { class XShape; }
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namespace chart {
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struct TickInfo
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{
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double fScaledTickValue;
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css::uno::Reference<css::chart2::XScaling> xInverseScaling;
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rtl::Reference<SvxShapeText> xTextShape;
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OUString aText;//used only for complex categories so far
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::basegfx::B2DVector aTickScreenPosition;
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sal_Int32 nFactorForLimitedTextWidth;//categories in higher levels of complex categories can have more place than a single simple category
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bool bPaintIt;
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//methods:
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TickInfo() = delete;
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explicit TickInfo( css::uno::Reference<css::chart2::XScaling> xInverse );
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/**
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* Return a value associated with the tick mark. It's normally an original
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* value from the data source, or 1-based integer index in case the axis
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* is a category axis.
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*/
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double getUnscaledTickValue() const;
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sal_Int32 getScreenDistanceBetweenTicks( const TickInfo& rOherTickInfo ) const;
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};
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typedef std::vector<TickInfo> TickInfoArrayType;
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typedef std::vector<TickInfoArrayType> TickInfoArraysType;
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class TickIter
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{
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public:
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virtual ~TickIter() {}
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virtual TickInfo* firstInfo() = 0;
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virtual TickInfo* nextInfo() = 0;
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};
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class PureTickIter : public TickIter
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{
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public:
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explicit PureTickIter( TickInfoArrayType& rTickInfoVector );
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virtual ~PureTickIter() override;
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virtual TickInfo* firstInfo() override;
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virtual TickInfo* nextInfo() override;
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private:
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TickInfoArrayType& m_rTickVector;
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TickInfoArrayType::iterator m_aTickIter;
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};
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class TickFactory
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{
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public:
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TickFactory(
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ExplicitScaleData aScale
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, ExplicitIncrementData aIncrement );
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virtual ~TickFactory();
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void getAllTicks( TickInfoArraysType& rAllTickInfos ) const;
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void getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const;
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private: //methods
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bool isDateAxis() const;
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protected: //member
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ExplicitScaleData m_rScale;
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ExplicitIncrementData m_rIncrement;
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css::uno::Reference< css::chart2::XScaling > m_xInverseScaling;
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//minimum and maximum of the visible range after scaling
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double m_fScaledVisibleMin;
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double m_fScaledVisibleMax;
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};
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class TickFactory2D final : public TickFactory
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{
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public:
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TickFactory2D(
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const ExplicitScaleData& rScale
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, const ExplicitIncrementData& rIncrement
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, const ::basegfx::B2DVector& rStartScreenPos, const ::basegfx::B2DVector& rEndScreenPos
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, const ::basegfx::B2DVector& rAxisLineToLabelLineShift );
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virtual ~TickFactory2D() override;
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static sal_Int32 getTickScreenDistance( TickIter& rIter );
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void createPointSequenceForAxisMainLine( css::drawing::PointSequenceSequence& rPoints ) const;
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void addPointSequenceForTickLine( css::drawing::PointSequenceSequence& rPoints
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, sal_Int32 nSequenceIndex
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, double fScaledLogicTickValue, double fInnerDirectionSign
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, const TickmarkProperties& rTickmarkProperties, bool bPlaceAtLabels ) const;
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::basegfx::B2DVector getDistanceAxisTickToText( const AxisProperties& rAxisProperties
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, bool bIncludeFarAwayDistanceIfSo = false
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, bool bIncludeSpaceBetweenTickAndText = true ) const;
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/**
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* Determine the screen positions of all ticks based on their numeric values.
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*/
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void updateScreenValues( TickInfoArraysType& rAllTickInfos ) const;
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bool isHorizontalAxis() const;
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bool isVerticalAxis() const;
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const ::basegfx::B2DVector & getXaxisStartPos() const
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{
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return m_aAxisStartScreenPosition2D;
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}
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const ::basegfx::B2DVector & getXaxisEndPos() const
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{
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return m_aAxisEndScreenPosition2D;
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}
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private:
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::basegfx::B2DVector getTickScreenPosition2D( double fScaledLogicTickValue ) const;
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::basegfx::B2DVector m_aAxisStartScreenPosition2D;
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::basegfx::B2DVector m_aAxisEndScreenPosition2D;
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//labels might be positioned high or low on the border of the diagram far away from the axis
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//add this vector to go from the axis line to the label line (border of the diagram)
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::basegfx::B2DVector m_aAxisLineToLabelLineShift;
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double m_fStretch_LogicToScreen;
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double m_fOffset_LogicToScreen;
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};
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} //namespace chart
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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