|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "horizontalstackedbarchartitem_p.h"
|
|
|
#include "qabstractbarseries_p.h"
|
|
|
#include "qbarset_p.h"
|
|
|
#include "bar_p.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_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;
|
|
|
}
|
|
|
if (!m_validData)
|
|
|
return QVector<QRectF>();
|
|
|
rect.setTopLeft(topLeft);
|
|
|
rect.setBottomRight(bottomRight);
|
|
|
layout.append(rect.normalized());
|
|
|
}
|
|
|
}
|
|
|
return layout;
|
|
|
}
|
|
|
|
|
|
#include "moc_horizontalstackedbarchartitem_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
|
