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Diffstat (limited to 'chart2/source/view/axes/Tickmarks.hxx')
| -rw-r--r-- | chart2/source/view/axes/Tickmarks.hxx | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/chart2/source/view/axes/Tickmarks.hxx b/chart2/source/view/axes/Tickmarks.hxx new file mode 100644 index 000000000..bb33be504 --- /dev/null +++ b/chart2/source/view/axes/Tickmarks.hxx @@ -0,0 +1,162 @@ +/* -*- 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: */ |