/* -*- 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 "VAxisBase.hxx"
#include <basegfx/vector/b2dvector.hxx>
namespace chart
{
class VCartesianAxis : public VAxisBase
{
// public methods
public :
VCartesianAxis( const AxisProperties& rAxisProperties
, const css::uno::Reference< css::util::XNumberFormatsSupplier >& xNumberFormatsSupplier
, sal_Int32 nDimensionIndex, sal_Int32 nDimensionCount
, PlottingPositionHelper* pPosHelper = nullptr //takes ownership
);
virtual ~VCartesianAxis() override;
virtual void createMaximumLabels() override;
virtual void createLabels() override;
virtual void updatePositions() override;
virtual void createShapes() override;
virtual sal_Int32 estimateMaximumAutoMainIncrementCount() override;
virtual void createAllTickInfos( TickInfoArraysType& rAllTickInfos ) override;
void createAllTickInfosFromComplexCategories( TickInfoArraysType& rAllTickInfos, bool bShiftedPosition );
TickIter* createLabelTickIterator( sal_Int32 nTextLevel );
TickIter* createMaximumLabelTickIterator( sal_Int32 nTextLevel );
sal_Int32 getTextLevelCount() const ;
virtual TickFactory* createTickFactory() override;
/**
* Get the value at which the other axis crosses .
*/
double getAxisIntersectionValue() const ;
/**
* Get the value at which label line crosses the other axis .
*/
double getLabelLineIntersectionValue() const ;
/**
* Get the value at which extra line crosses the other axis .
*
* @ return a NaN if the line doesn ' t cross the other axis , a non - NaN value
* otherwise .
*/
double getExtraLineIntersectionValue() const ;
void get2DAxisMainLine(
basegfx::B2DVector& rStart, basegfx::B2DVector& rEnd, AxisLabelAlignment& rLabelAlignment,
double fCrossesOtherAxis ) const ;
//Layout interface for cartesian axes:
//the returned value describes the minimum size that is necessary
//for the text labels in the direction orthogonal to the axis
//(for an y-axis a width is returned; in case of an x-axis the value describes a height)
//the return value is measured in screen dimension
//As an example the MinimumOrthogonalSize of an x-axis equals the
//Font Height if the label properties allow for labels parallel to the axis.
// sal_Int32 calculateMinimumOrthogonalSize( /*... parallel...*/ );
//Minimum->Preferred
//returns true if the MinimumOrthogonalSize can be calculated
//with the creation of at most one text shape
//(this is e.g. true if the parameters allow for labels parallel to the axis.)
// sal_bool canQuicklyCalculateMinimumOrthogonalSize();
struct ScreenPosAndLogicPos
{
double fLogicX;
double fLogicY;
double fLogicZ;
::basegfx::B2DVector aScreenPos;
};
void createDataTableView(std::vector<std::unique_ptr<VSeriesPlotter>>& rSeriesPlotterList,
css::uno::Reference<css::util::XNumberFormatsSupplier> const & xNumberFormatsSupplier,
rtl::Reference<::chart::ChartModel> const & xChartDoc,
css::uno::Reference<css::uno::XComponentContext> const & rComponentContext) override;
private : //methods
/**
* Go through all tick label positions and decide which labels to display
* based on the text shape geometry , overlap setting , tick interval ,
* auto - stagger setting etc .
*
* When the auto - stagger setting is on , try to avoid overlaps by
* staggering labels or set the labels at an angle . This method may
* change the axis label properties especially when the auto staggering is
* performed . But the screen label positions will not be shifted in this
* method ; it will be done in the doStaggeringOfLabels method .
*
* @ return true if the text shapes have been successfully created ,
* otherwise false . Returning false means the AxisLabelProperties
* have changed during the call , and the caller needs to call this
* method once again to get the text shapes created .
*/
bool createTextShapes(
const rtl::Reference< SvxShapeGroupAnyD >& xTarget,
TickIter& rTickIter, AxisLabelProperties& rAxisLabelProperties,
TickFactory2D const * pTickFactory, sal_Int32 nScreenDistanceBetweenTicks );
/**
* Variant of createTextShapes where none of auto - staggering and
* link - breaking are allowed in case of overlaps . Overlaps of text shapes
* are to be resolved only by adjusting the label tick interval .
*/
bool createTextShapesSimple(
const rtl::Reference< SvxShapeGroupAnyD >& xTarget,
TickIter& rTickIter, AxisLabelProperties& rAxisLabelProperties,
TickFactory2D const * pTickFactory );
void createTickMarkLineShapes( TickInfoArrayType& rTickInfos, const TickmarkProperties& rTickmarkProperties, TickFactory2D const & rTickFactory2D, bool bOnlyAtLabels );
TickFactory2D* createTickFactory2D();
void hideIdenticalScreenValues( TickInfoArraysType& rTickInfos ) const ;
/**
* Shift the screen positions of the tick labels according to the stagger
* settings . Final stagger setting is decided during the createTextShapes
* call , but this method does the physical shifting of the label
* positions based on the final stagger setting .
*/
void doStaggeringOfLabels( const AxisLabelProperties& rAxisLabelProperties
, TickFactory2D const * pTickFactory2D );
/**
* @ return true if we can break a single line label text into multiple
* lines for better fitting , otherwise false .
*/
bool isBreakOfLabelsAllowed( const AxisLabelProperties& rAxisLabelProperties, bool bIsHorizontalAxis, bool bIsVerticalAxis ) const ;
::basegfx::B2DVector getScreenPosition( double fLogicX, double fLogicY, double fLogicZ ) const ;
ScreenPosAndLogicPos getScreenPosAndLogicPos( double fLogicX, double fLogicY, double fLogicZ ) const ;
void createDataTableShape(std::unique_ptr<TickFactory2D> const & rTickFactory2D);
};
} //namespace chart
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