|
|
/******************************************************************************
|
|
|
**
|
|
|
** 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
|
|
|
|