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/****************************************************************************
**
** 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 "stackedbarchartitem_p.h"
#include "bar_p.h"
#include "qbarset_p.h"
#include "qabstractbarseries_p.h"
#include "qbarset.h"
#include "chartanimator_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
StackedBarChartItem::StackedBarChartItem(QAbstractBarSeries *series, ChartPresenter *presenter) :
AbstractBarChartItem(series, presenter)
{
}
QVector<QRectF> StackedBarChartItem::calculateLayout()
{
QVector<QRectF> layout;
// Use temporary qreals for accuracy
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
bool barsVisible = m_series->isVisible();
// Domain:
qreal width = geometry().width();
qreal height = geometry().height();
qreal rangeY = m_domainMaxY - m_domainMinY;
qreal rangeX = m_domainMaxX - m_domainMinX;
qreal scaleY = (height / rangeY);
qreal scaleX = (width / rangeX);
qreal barWidth = scaleX * m_series->d_func()->barWidth();
int itemIndex(0);
for (int category = 0; category < categoryCount; category++) {
qreal yPos = height + rangeY * m_domainMinY + geometry().topLeft().y();
for (int set=0; set < setCount; set++) {
QBarSetPrivate* barSet = m_series->d_func()->barsetAt(set)->d_ptr.data();
qreal xPos = (barSet->pos(category) - m_domainMinX) * scaleX + m_rect.left() - barWidth/2;
qreal barHeight = barSet->value(category) * scaleY;
Bar* bar = m_bars.at(itemIndex);
bar->setPen(barSet->m_pen);
bar->setBrush(barSet->m_brush);
if (qFuzzyIsNull(barHeight)) {
bar->setVisible(false);
} else {
bar->setVisible(barsVisible);
}
QRectF rect(xPos, yPos-barHeight, barWidth, barHeight);
layout.append(rect);
QGraphicsSimpleTextItem* label = m_labels.at(itemIndex);
if (!qFuzzyIsNull(barSet->value(category))) {
label->setText(QString::number(barSet->value(category)));
} else {
label->setText(QString(""));
}
label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2)
,yPos - barHeight/2 - label->boundingRect().height()/2);
label->setFont(barSet->m_labelFont);
label->setBrush(barSet->m_labelBrush);
itemIndex++;
yPos -= barHeight;
}
}
return layout;
}
#include "moc_stackedbarchartitem_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE
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