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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 .
*/
#include "BubbleChart.hxx"
#include <PlottingPositionHelper.hxx>
#include <ShapeFactory.hxx>
#include <ObjectIdentifier.hxx>
#include <LabelPositionHelper.hxx>
#include <ChartType.hxx>
#include <com/sun/star/chart/DataLabelPlacement.hpp>
#include <sal/log.hxx>
#include <osl/diagnose.h>
#include <limits>
namespace chart
{
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
BubbleChart::BubbleChart( const rtl::Reference<ChartType>& xChartTypeModel
, sal_Int32 nDimensionCount )
: VSeriesPlotter( xChartTypeModel, nDimensionCount, false )
, m_fMaxLogicBubbleSize( 0.0 )
, m_fBubbleSizeFactorToScreen( 1.0 )
{
// We only support 2 dimensional bubble charts
assert(nDimensionCount == 2);
if( !m_pMainPosHelper )
m_pMainPosHelper = new PlottingPositionHelper();
PlotterBase::m_pPosHelper = m_pMainPosHelper;
}
BubbleChart::~BubbleChart()
{
delete m_pMainPosHelper;
}
void BubbleChart::calculateMaximumLogicBubbleSize()
{
double fMaxSize = 0.0;
sal_Int32 nEndIndex = VSeriesPlotter::getPointCount();
for( sal_Int32 nIndex = 0; nIndex < nEndIndex; nIndex++ )
{
for( auto const& rZSlot : m_aZSlots )
{
for( auto const& rXSlot : rZSlot )
{
for( std::unique_ptr<VDataSeries> const & pSeries : rXSlot.m_aSeriesVector )
{
if(!pSeries)
continue;
double fSize = pSeries->getBubble_Size( nIndex );
if( fSize > fMaxSize )
fMaxSize = fSize;
}
}
}
}
m_fMaxLogicBubbleSize = fMaxSize;
}
void BubbleChart::calculateBubbleSizeScalingFactor()
{
double fLogicZ=1.0;
drawing::Position3D aSceneMinPos( m_pMainPosHelper->transformLogicToScene( m_pMainPosHelper->getLogicMinX(),m_pMainPosHelper->getLogicMinY(),fLogicZ, false ) );
drawing::Position3D aSceneMaxPos( m_pMainPosHelper->transformLogicToScene( m_pMainPosHelper->getLogicMaxX(),m_pMainPosHelper->getLogicMaxY(),fLogicZ, false ) );
awt::Point aScreenMinPos( LabelPositionHelper(m_nDimension,m_xLogicTarget).transformSceneToScreenPosition( aSceneMinPos ) );
awt::Point aScreenMaxPos( LabelPositionHelper(m_nDimension,m_xLogicTarget).transformSceneToScreenPosition( aSceneMaxPos ) );
sal_Int32 nWidth = abs( aScreenMaxPos.X - aScreenMinPos.X );
sal_Int32 nHeight = abs( aScreenMaxPos.Y - aScreenMinPos.Y );
sal_Int32 nMinExtend = std::min( nWidth, nHeight );
m_fBubbleSizeFactorToScreen = nMinExtend * 0.25;//max bubble size is 25 percent of diagram size
}
drawing::Direction3D BubbleChart::transformToScreenBubbleSize( double fLogicSize )
{
drawing::Direction3D aRet(0,0,0);
if( std::isnan(fLogicSize) || std::isinf(fLogicSize) )
return aRet;
double fMaxSize = m_fMaxLogicBubbleSize;
double fMaxRadius = sqrt( fMaxSize / M_PI );
double fRadius = sqrt( fLogicSize / M_PI );
aRet.DirectionX = m_fBubbleSizeFactorToScreen * fRadius / fMaxRadius;
aRet.DirectionY = aRet.DirectionX;
return aRet;
}
bool BubbleChart::isExpandIfValuesCloseToBorder( sal_Int32 /*nDimensionIndex*/ )
{
return true;
}
bool BubbleChart::isSeparateStackingForDifferentSigns( sal_Int32 /*nDimensionIndex*/ )
{
return false;
}
LegendSymbolStyle BubbleChart::getLegendSymbolStyle()
{
return LegendSymbolStyle::Circle;
}
drawing::Direction3D BubbleChart::getPreferredDiagramAspectRatio() const
{
return drawing::Direction3D(-1,-1,-1);
}
namespace {
//better performance for big data
struct FormerPoint
{
FormerPoint( double fX, double fY, double fZ )
: m_fX(fX), m_fY(fY), m_fZ(fZ)
{}
FormerPoint()
: m_fX(std::numeric_limits<double>::quiet_NaN())
, m_fY(std::numeric_limits<double>::quiet_NaN())
, m_fZ(std::numeric_limits<double>::quiet_NaN())
{
}
double m_fX;
double m_fY;
double m_fZ;
};
}
void BubbleChart::createShapes()
{
if( m_aZSlots.empty() ) //no series
return;
OSL_ENSURE(m_xLogicTarget.is()&&m_xFinalTarget.is(),"BubbleChart is not proper initialized");
if(!(m_xLogicTarget.is()&&m_xFinalTarget.is()))
return;
//therefore create an own group for the texts and the error bars to move them to front
//(because the text group is created after the series group the texts are displayed on top)
rtl::Reference<SvxShapeGroupAnyD> xSeriesTarget = createGroupShape( m_xLogicTarget );
rtl::Reference< SvxShapeGroup > xTextTarget = ShapeFactory::createGroup2D( m_xFinalTarget );
//update/create information for current group
double fLogicZ = 1.0;//as defined
sal_Int32 const nStartIndex = 0; // inclusive ;..todo get somehow from x scale
sal_Int32 nEndIndex = VSeriesPlotter::getPointCount();
if(nEndIndex<=0)
nEndIndex=1;
//better performance for big data
std::map< VDataSeries*, FormerPoint > aSeriesFormerPointMap;
m_bPointsWereSkipped = false;
sal_Int32 nSkippedPoints = 0;
sal_Int32 nCreatedPoints = 0;
calculateMaximumLogicBubbleSize();
calculateBubbleSizeScalingFactor();
if( m_fMaxLogicBubbleSize <= 0 || m_fBubbleSizeFactorToScreen <= 0 )
return;
//iterate through all x values per indices
for( sal_Int32 nIndex = nStartIndex; nIndex < nEndIndex; nIndex++ )
{
for( auto const& rZSlot : m_aZSlots )
{
for( auto const& rXSlot : rZSlot )
{
//iterate through all series
for( std::unique_ptr<VDataSeries> const & pSeries : rXSlot.m_aSeriesVector )
{
if(!pSeries)
continue;
bool bHasFillColorMapping = pSeries->hasPropertyMapping("FillColor");
bool bHasBorderColorMapping = pSeries->hasPropertyMapping("LineColor");
rtl::Reference<SvxShapeGroupAnyD> xSeriesGroupShape_Shapes = getSeriesGroupShape(pSeries.get(), xSeriesTarget);
sal_Int32 nAttachedAxisIndex = pSeries->getAttachedAxisIndex();
PlottingPositionHelper& rPosHelper
= getPlottingPositionHelper(nAttachedAxisIndex);
m_pPosHelper = &rPosHelper;
//collect data point information (logic coordinates, style ):
double fLogicX = pSeries->getXValue(nIndex);
double fLogicY = pSeries->getYValue(nIndex);
double fBubbleSize = pSeries->getBubble_Size( nIndex );
if( fBubbleSize<0.0 )
continue;
if( fBubbleSize == 0.0 || std::isnan(fBubbleSize) )
continue;
if( std::isnan(fLogicX) || std::isinf(fLogicX)
|| std::isnan(fLogicY) || std::isinf(fLogicY) )
continue;
bool bIsVisible = rPosHelper.isLogicVisible(fLogicX, fLogicY, fLogicZ);
drawing::Position3D aUnscaledLogicPosition( fLogicX, fLogicY, fLogicZ );
drawing::Position3D aScaledLogicPosition(aUnscaledLogicPosition);
rPosHelper.doLogicScaling(aScaledLogicPosition);
//transformation 3) -> 4)
drawing::Position3D aScenePosition(
rPosHelper.transformLogicToScene(fLogicX, fLogicY, fLogicZ, false));
//better performance for big data
FormerPoint aFormerPoint( aSeriesFormerPointMap[pSeries.get()] );
rPosHelper.setCoordinateSystemResolution(m_aCoordinateSystemResolution);
if (!pSeries->isAttributedDataPoint(nIndex)
&& rPosHelper.isSameForGivenResolution(
aFormerPoint.m_fX, aFormerPoint.m_fY, aFormerPoint.m_fZ,
aScaledLogicPosition.PositionX, aScaledLogicPosition.PositionY,
aScaledLogicPosition.PositionZ))
{
nSkippedPoints++;
m_bPointsWereSkipped = true;
continue;
}
aSeriesFormerPointMap[pSeries.get()] = FormerPoint(aScaledLogicPosition.PositionX, aScaledLogicPosition.PositionY, aScaledLogicPosition.PositionZ);
//create a single datapoint if point is visible
if( !bIsVisible )
continue;
//create a group shape for this point and add to the series shape:
OUString aPointCID = ObjectIdentifier::createPointCID(
pSeries->getPointCID_Stub(), nIndex );
rtl::Reference<SvxShapeGroupAnyD> xPointGroupShape_Shapes(
createGroupShape(xSeriesGroupShape_Shapes,aPointCID) );
{
nCreatedPoints++;
//create data point
drawing::Direction3D aSymbolSize = transformToScreenBubbleSize( fBubbleSize );
rtl::Reference<SvxShapeCircle> xShape = ShapeFactory::createCircle2D( xPointGroupShape_Shapes
, aScenePosition, aSymbolSize );
PropertyMapper::setMappedProperties( *xShape
, pSeries->getPropertiesOfPoint( nIndex )
, PropertyMapper::getPropertyNameMapForFilledSeriesProperties() );
if(bHasFillColorMapping)
{
double nPropVal = pSeries->getValueByProperty(nIndex, "FillColor");
if(!std::isnan(nPropVal))
{
xShape->SvxShape::setPropertyValue("FillColor", uno::Any(static_cast<sal_Int32>(nPropVal)));
}
}
if(bHasBorderColorMapping)
{
double nPropVal = pSeries->getValueByProperty(nIndex, "LineColor");
if(!std::isnan(nPropVal))
{
xShape->SvxShape::setPropertyValue("LineColor", uno::Any(static_cast<sal_Int32>(nPropVal)));
}
}
::chart::ShapeFactory::setShapeName( xShape, "MarkHandles" );
//create data point label
if( pSeries->getDataPointLabelIfLabel(nIndex) )
{
LabelAlignment eAlignment = LABEL_ALIGN_TOP;
drawing::Position3D aScenePosition3D( aScenePosition.PositionX
, aScenePosition.PositionY
, aScenePosition.PositionZ+getTransformedDepth() );
sal_Int32 nLabelPlacement = pSeries->getLabelPlacement(
nIndex, m_xChartTypeModel, rPosHelper.isSwapXAndY());
switch(nLabelPlacement)
{
case css::chart::DataLabelPlacement::TOP:
aScenePosition3D.PositionY -= (aSymbolSize.DirectionY/2+1);
eAlignment = LABEL_ALIGN_TOP;
break;
case css::chart::DataLabelPlacement::BOTTOM:
aScenePosition3D.PositionY += (aSymbolSize.DirectionY/2+1);
eAlignment = LABEL_ALIGN_BOTTOM;
break;
case css::chart::DataLabelPlacement::LEFT:
aScenePosition3D.PositionX -= (aSymbolSize.DirectionX/2+1);
eAlignment = LABEL_ALIGN_LEFT;
break;
case css::chart::DataLabelPlacement::RIGHT:
aScenePosition3D.PositionX += (aSymbolSize.DirectionX/2+1);
eAlignment = LABEL_ALIGN_RIGHT;
break;
case css::chart::DataLabelPlacement::CENTER:
eAlignment = LABEL_ALIGN_CENTER;
break;
default:
OSL_FAIL("this label alignment is not implemented yet");
aScenePosition3D.PositionY -= (aSymbolSize.DirectionY/2+1);
eAlignment = LABEL_ALIGN_TOP;
break;
}
awt::Point aScreenPosition2D( LabelPositionHelper(m_nDimension,m_xLogicTarget)
.transformSceneToScreenPosition( aScenePosition3D ) );
sal_Int32 nOffset = 0;
if(eAlignment!=LABEL_ALIGN_CENTER)
nOffset = 100;//add some spacing //@todo maybe get more intelligent values
createDataLabel( xTextTarget, *pSeries, nIndex
, fBubbleSize, fBubbleSize, aScreenPosition2D, eAlignment, nOffset );
}
}
//remove PointGroupShape if empty
if(!xPointGroupShape_Shapes->getCount())
xSeriesGroupShape_Shapes->remove(xPointGroupShape_Shapes);
}//next series in x slot (next y slot)
}//next x slot
}//next z slot
}//next category
SAL_INFO(
"chart2",
"skipped points: " << nSkippedPoints << " created points: "
<< nCreatedPoints);
}
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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