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libreoffice/chart2/source/view/axes/VCartesianGrid.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

298 lines
11 KiB
C++

/* -*- 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 .
*/
#include "VCartesianGrid.hxx"
#include "Tickmarks.hxx"
#include <PlottingPositionHelper.hxx>
#include <ShapeFactory.hxx>
#include <ObjectIdentifier.hxx>
#include <CommonConverters.hxx>
#include <AxisHelper.hxx>
#include <VLineProperties.hxx>
#include <GridProperties.hxx>
#include <com/sun/star/drawing/PointSequenceSequence.hpp>
#include <com/sun/star/drawing/LineStyle.hpp>
#include <memory>
#include <vector>
namespace chart
{
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
namespace {
struct GridLinePoints
{
Sequence< double > P0;
Sequence< double > P1;
Sequence< double > P2;
GridLinePoints( const PlottingPositionHelper* pPosHelper, sal_Int32 nDimensionIndex
, CuboidPlanePosition eLeftWallPos=CuboidPlanePosition_Left
, CuboidPlanePosition eBackWallPos=CuboidPlanePosition_Back
, CuboidPlanePosition eBottomPos=CuboidPlanePosition_Bottom );
void update( double fScaledTickValue );
sal_Int32 m_nDimensionIndex;
};
}
GridLinePoints::GridLinePoints( const PlottingPositionHelper* pPosHelper, sal_Int32 nDimensionIndex
, CuboidPlanePosition eLeftWallPos
, CuboidPlanePosition eBackWallPos
, CuboidPlanePosition eBottomPos )
: m_nDimensionIndex(nDimensionIndex)
{
double MinX = pPosHelper->getLogicMinX();
double MinY = pPosHelper->getLogicMinY();
double MinZ = pPosHelper->getLogicMinZ();
double MaxX = pPosHelper->getLogicMaxX();
double MaxY = pPosHelper->getLogicMaxY();
double MaxZ = pPosHelper->getLogicMaxZ();
pPosHelper->doLogicScaling( &MinX,&MinY,&MinZ );
pPosHelper->doLogicScaling( &MaxX,&MaxY,&MaxZ );
if(!pPosHelper->isMathematicalOrientationX())
std::swap( MinX, MaxX );
if(!pPosHelper->isMathematicalOrientationY())
std::swap( MinY, MaxY );
if(pPosHelper->isMathematicalOrientationZ())//z axis in draw is reverse to mathematical
std::swap( MinZ, MaxZ );
bool bSwapXY = pPosHelper->isSwapXAndY();
//P0: point on 'back' wall, not on 'left' wall
//P1: point on both walls
//P2: point on 'left' wall not on 'back' wall
const double v0 = (eLeftWallPos == CuboidPlanePosition_Left || bSwapXY) ? MinX : MaxX;
const double v1 = (eLeftWallPos == CuboidPlanePosition_Left || !bSwapXY) ? MinY : MaxY;
const double v2 = (eBackWallPos == CuboidPlanePosition_Back) ? MinZ : MaxZ;
P0 = P1 = P2 = { v0, v1, v2 };
if(m_nDimensionIndex==0)
{
P0.getArray()[1] = (eLeftWallPos == CuboidPlanePosition_Left || !bSwapXY) ? MaxY : MinY;
P2.getArray()[2]= (eBackWallPos == CuboidPlanePosition_Back) ? MaxZ : MinZ;
if( eBottomPos != CuboidPlanePosition_Bottom && !bSwapXY )
P2=P1;
}
else if(m_nDimensionIndex==1)
{
P0.getArray()[0]= (eLeftWallPos == CuboidPlanePosition_Left || bSwapXY) ? MaxX : MinX;
P2.getArray()[2]= (eBackWallPos == CuboidPlanePosition_Back) ? MaxZ : MinZ;
if( eBottomPos != CuboidPlanePosition_Bottom && bSwapXY )
P2=P1;
}
else if(m_nDimensionIndex==2)
{
P0.getArray()[0]= (eLeftWallPos == CuboidPlanePosition_Left || bSwapXY) ? MaxX : MinX;
P2.getArray()[1]= (eLeftWallPos == CuboidPlanePosition_Left || !bSwapXY) ? MaxY : MinY;
if( eBottomPos != CuboidPlanePosition_Bottom )
{
if( !bSwapXY )
P0=P1;
else
P2=P1;
}
}
}
void GridLinePoints::update( double fScaledTickValue )
{
P0.getArray()[m_nDimensionIndex] = P1.getArray()[m_nDimensionIndex] = P2.getArray()[m_nDimensionIndex] = fScaledTickValue;
}
static void addLine2D( drawing::PointSequenceSequence& rPoints, sal_Int32 nIndex
, const GridLinePoints& rScaledLogicPoints
, const XTransformation2& rTransformation
)
{
drawing::Position3D aPA = rTransformation.transform( SequenceToPosition3D(rScaledLogicPoints.P0) );
drawing::Position3D aPB = rTransformation.transform( SequenceToPosition3D(rScaledLogicPoints.P1) );
rPoints.getArray()[nIndex]
= { { static_cast<sal_Int32>(aPA.PositionX), static_cast<sal_Int32>(aPA.PositionY) },
{ static_cast<sal_Int32>(aPB.PositionX), static_cast<sal_Int32>(aPB.PositionY) } };
}
static void addLine3D( std::vector<std::vector<css::drawing::Position3D>>& rPoints, sal_Int32 nIndex
, const GridLinePoints& rBasePoints
, const XTransformation2 & rTransformation )
{
drawing::Position3D aPoint =rTransformation.transform( rBasePoints.P0 );
AddPointToPoly( rPoints, aPoint, nIndex );
aPoint = rTransformation.transform( rBasePoints.P1 );
AddPointToPoly( rPoints, aPoint, nIndex );
aPoint = rTransformation.transform( rBasePoints.P2 );
AddPointToPoly( rPoints, aPoint, nIndex );
}
VCartesianGrid::VCartesianGrid( sal_Int32 nDimensionIndex, sal_Int32 nDimensionCount
, std::vector< rtl::Reference< ::chart::GridProperties > > aGridPropertiesList )
: VAxisOrGridBase( nDimensionIndex, nDimensionCount )
, m_aGridPropertiesList( std::move(aGridPropertiesList) )
{
m_pPosHelper = new PlottingPositionHelper();
}
VCartesianGrid::~VCartesianGrid()
{
delete m_pPosHelper;
m_pPosHelper = nullptr;
}
void VCartesianGrid::fillLinePropertiesFromGridModel( std::vector<VLineProperties>& rLinePropertiesList
, const std::vector< rtl::Reference< ::chart::GridProperties > > & rGridPropertiesList )
{
rLinePropertiesList.clear();
if( rGridPropertiesList.empty() )
return;
VLineProperties aLineProperties;
for( const auto & rxPropSet : rGridPropertiesList )
{
if(!AxisHelper::isGridVisible( rxPropSet ))
aLineProperties.LineStyle <<= drawing::LineStyle_NONE;
else
aLineProperties.initFromPropertySet( rxPropSet );
rLinePropertiesList.push_back(aLineProperties);
}
};
void VCartesianGrid::createShapes()
{
if(m_aGridPropertiesList.empty())
return;
//somehow equal to axis tickmarks
//create named group shape
rtl::Reference< SvxShapeGroupAnyD > xGroupShape_Shapes(
createGroupShape( m_xLogicTarget, m_aCID ) );
if(!xGroupShape_Shapes.is())
return;
std::vector<VLineProperties> aLinePropertiesList;
fillLinePropertiesFromGridModel( aLinePropertiesList, m_aGridPropertiesList );
//create all scaled tickmark values
std::unique_ptr< TickFactory > apTickFactory( createTickFactory() );
TickFactory& aTickFactory = *apTickFactory;
TickInfoArraysType aAllTickInfos;
aTickFactory.getAllTicks( aAllTickInfos );
//create tick mark line shapes
if(aAllTickInfos.empty())//no tickmarks at all
return;
TickInfoArraysType::iterator aDepthIter = aAllTickInfos.begin();
const TickInfoArraysType::const_iterator aDepthEnd = aAllTickInfos.end();
sal_Int32 nLinePropertiesCount = aLinePropertiesList.size();
for( sal_Int32 nDepth=0
; aDepthIter != aDepthEnd && nDepth < nLinePropertiesCount
; ++aDepthIter, nDepth++ )
{
if( !aLinePropertiesList[nDepth].isLineVisible() )
continue;
rtl::Reference< SvxShapeGroupAnyD > xTarget( xGroupShape_Shapes );
if( nDepth > 0 )
{
xTarget = createGroupShape( m_xLogicTarget
, ObjectIdentifier::addChildParticle( m_aCID, ObjectIdentifier::createChildParticleWithIndex( OBJECTTYPE_SUBGRID, nDepth-1 ) )
);
if(!xTarget.is())
xTarget = xGroupShape_Shapes;
}
if(m_nDimension==2)
{
GridLinePoints aGridLinePoints( m_pPosHelper, m_nDimensionIndex );
sal_Int32 nPointCount = (*aDepthIter).size();
drawing::PointSequenceSequence aPoints(nPointCount);
sal_Int32 nRealPointCount = 0;
for (auto const& tick : *aDepthIter)
{
if( !tick.bPaintIt )
continue;
aGridLinePoints.update( tick.fScaledTickValue );
addLine2D( aPoints, nRealPointCount, aGridLinePoints, *m_pPosHelper->getTransformationScaledLogicToScene() );
nRealPointCount++;
}
aPoints.realloc(nRealPointCount);
ShapeFactory::createLine2D( xTarget, aPoints, &aLinePropertiesList[nDepth] );
//prepare polygon for handle shape:
drawing::PointSequenceSequence aHandlesPoints(1);
auto pHandlesPoints = aHandlesPoints.getArray();
pHandlesPoints[0].realloc(nRealPointCount);
auto pHandlesPoints0 = pHandlesPoints[0].getArray();
for( sal_Int32 nN = 0; nN<nRealPointCount; nN++)
pHandlesPoints0[nN] = aPoints[nN][1];
//create handle shape:
VLineProperties aHandleLineProperties;
aHandleLineProperties.LineStyle <<= drawing::LineStyle_NONE;
rtl::Reference<SvxShapePolyPolygon> xHandleShape =
ShapeFactory::createLine2D( xTarget, aHandlesPoints, &aHandleLineProperties );
::chart::ShapeFactory::setShapeName( xHandleShape, u"HandlesOnly"_ustr );
}
else //if(2!=m_nDimension)
{
GridLinePoints aGridLinePoints( m_pPosHelper, m_nDimensionIndex, m_eLeftWallPos, m_eBackWallPos, m_eBottomPos );
sal_Int32 nPointCount = (*aDepthIter).size();
std::vector<std::vector<css::drawing::Position3D>> aPoints;
aPoints.resize(nPointCount);
sal_Int32 nRealPointCount = 0;
sal_Int32 nPolyIndex = 0;
for (auto const& tick : *aDepthIter)
{
if( !tick.bPaintIt )
{
++nPolyIndex;
continue;
}
aGridLinePoints.update( tick.fScaledTickValue );
addLine3D( aPoints, nPolyIndex, aGridLinePoints, *m_pPosHelper->getTransformationScaledLogicToScene() );
nRealPointCount+=3;
++nPolyIndex;
}
aPoints.resize(nRealPointCount);
ShapeFactory::createLine3D( xTarget, aPoints, aLinePropertiesList[nDepth] );
}
}
}
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */