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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include <private/horizontalstackedbarchartitem_p.h>
#include <private/qabstractbarseries_p.h>
#include <private/qbarset_p.h>
#include <private/bar_p.h>
QT_CHARTS_BEGIN_NAMESPACE
HorizontalStackedBarChartItem::HorizontalStackedBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item)
: AbstractBarChartItem(series, item)
{
}
void HorizontalStackedBarChartItem::initializeLayout()
{
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
qreal barWidth = m_series->d_func()->barWidth();
m_layout.clear();
for(int category = 0; category < categoryCount; category++) {
for (int set = 0; set < setCount; set++) {
QRectF rect;
QPointF topLeft;
QPointF bottomRight;
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) {
topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category + barWidth / 2), m_validData);
} else {
topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(0, category + barWidth / 2), m_validData);
}
if (!m_validData)
return;
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
m_layout.append(rect.normalized());
}
}
}
QVector<QRectF> HorizontalStackedBarChartItem::calculateLayout()
{
QVector<QRectF> layout;
// Use temporary qreals for accuracy
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
qreal barWidth = m_series->d_func()->barWidth();
for(int category = 0; category < categoryCount; category++) {
qreal positiveSum = 0;
qreal negativeSum = 0;
for (int set = 0; set < setCount; set++) {
qreal value = m_series->barSets().at(set)->at(category);
QRectF rect;
QPointF topLeft;
QPointF bottomRight;
if (value < 0) {
bottomRight = domain()->calculateGeometryPoint(QPointF(value + negativeSum, category - barWidth / 2), m_validData);
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
topLeft = domain()->calculateGeometryPoint(QPointF(set ? negativeSum : domain()->minX(), category + barWidth / 2), m_validData);
else
topLeft = domain()->calculateGeometryPoint(QPointF(set ? negativeSum : 0, category + barWidth / 2), m_validData);
negativeSum += value;
} else {
bottomRight = domain()->calculateGeometryPoint(QPointF(value + positiveSum, category - barWidth / 2), m_validData);
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
topLeft = domain()->calculateGeometryPoint(QPointF(set ? positiveSum : domain()->minX(), category + barWidth / 2), m_validData);
else
topLeft = domain()->calculateGeometryPoint(QPointF(set ? positiveSum : 0, category + barWidth / 2), m_validData);
positiveSum += value;
}
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
layout.append(rect.normalized());
}
}
return layout;
}
#include "moc_horizontalstackedbarchartitem_p.cpp"
QT_CHARTS_END_NAMESPACE
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