|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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 "barlabel_p.h"
|
|
|
#include "qbarset.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
StackedBarChartItem::StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter) :
|
|
|
BarChartItem(series, presenter)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QVector<QRectF> StackedBarChartItem::calculateLayout()
|
|
|
{
|
|
|
QVector<QRectF> layout;
|
|
|
// Use temporary qreals for accurancy
|
|
|
|
|
|
// Domain:
|
|
|
qreal range = m_domainMaxY - m_domainMinY;
|
|
|
qreal height = geometry().height();
|
|
|
qreal width = geometry().width();
|
|
|
qreal scale = (height / range);
|
|
|
qreal categotyCount = m_series->categoryCount();
|
|
|
qreal barWidth = width / (categotyCount * 2);
|
|
|
qreal xStep = width / categotyCount;
|
|
|
qreal xPos = xStep / 2 - barWidth / 2;
|
|
|
|
|
|
int itemIndex(0);
|
|
|
for (int category = 0; category < categotyCount; category++) {
|
|
|
qreal yPos = height + scale * m_domainMinY;
|
|
|
for (int set=0; set < m_series->barsetCount(); set++) {
|
|
|
QBarSet* barSet = m_series->barsetAt(set);
|
|
|
|
|
|
qreal barHeight = barSet->valueAt(category) * scale;
|
|
|
Bar* bar = m_bars.at(itemIndex);
|
|
|
bar->setPen(barSet->pen());
|
|
|
bar->setBrush(barSet->brush());
|
|
|
QRectF rect(xPos, yPos-barHeight, barWidth, barHeight);
|
|
|
layout.append(rect);
|
|
|
|
|
|
BarLabel* label = m_labels.at(itemIndex);
|
|
|
|
|
|
if (!qFuzzyIsNull(barSet->valueAt(category))) {
|
|
|
label->setText(QString::number(barSet->valueAt(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->labelFont());
|
|
|
itemIndex++;
|
|
|
yPos -= barHeight;
|
|
|
}
|
|
|
xPos += xStep;
|
|
|
}
|
|
|
|
|
|
return layout;
|
|
|
}
|
|
|
|
|
|
#include "moc_stackedbarchartitem_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
