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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include <private/barchartitem_p.h>
#include <private/bar_p.h>
#include <private/qabstractbarseries_p.h>
#include <QtCharts/QBarSet>
#include <private/qbarset_p.h>
QT_CHARTS_BEGIN_NAMESPACE
BarChartItem::BarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) :
AbstractBarChartItem(series, item)
{
connect(series, SIGNAL(labelsPositionChanged(QAbstractBarSeries::LabelsPosition)),
this, SLOT(handleLabelsPositionChanged()));
connect(series, SIGNAL(labelsFormatChanged(QString)), this, SLOT(positionLabels()));
}
void BarChartItem::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::XLogYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) {
topLeft = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + set/setCount * barWidth, domain()->minY()), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + (set + 1)/setCount * barWidth, domain()->minY()), m_validData);
} else {
topLeft = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + set/setCount * barWidth, 0), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + (set + 1)/setCount * barWidth, 0), m_validData);
}
if (!m_validData)
return;
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
m_layout.append(rect.normalized());
}
}
}
QVector<QRectF> BarChartItem::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++) {
for (int set = 0; set < setCount; set++) {
qreal value = m_series->barSets().at(set)->at(category);
QRectF rect;
QPointF topLeft = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + (set)/(setCount) * barWidth, value), m_validData);
QPointF bottomRight;
if (domain()->type() == AbstractDomain::XLogYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
bottomRight = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + (set + 1)/(setCount) * barWidth, domain()->minY()), m_validData);
else
bottomRight = domain()->calculateGeometryPoint(QPointF(category - barWidth / 2 + (set + 1)/(setCount) * barWidth, 0), m_validData);
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
layout.append(rect.normalized());
}
}
return layout;
}
void BarChartItem::handleLabelsPositionChanged()
{
positionLabels();
}
void BarChartItem::positionLabels()
{
positionLabelsVertical();
}
#include "moc_barchartitem_p.cpp"
QT_CHARTS_END_NAMESPACE
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