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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "stackedbarchartitem_p.h"
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#include "bar_p.h"
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#include "barlabel_p.h"
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#include "qbarset_p.h"
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#include "qbarseries_p.h"
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#include "qbarset.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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StackedBarChartItem::StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter) :
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BarChartItem(series, presenter)
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{
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}
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QVector<QRectF> StackedBarChartItem::calculateLayout()
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{
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QVector<QRectF> layout;
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// Use temporary qreals for accurancy
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// Domain:
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qreal range = m_domainMaxY - m_domainMinY;
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qreal height = geometry().height();
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qreal width = geometry().width();
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qreal scale = (height / range);
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qreal categotyCount = m_series->categoryCount();
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qreal barWidth = width / (categotyCount * 2);
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qreal xStep = width / categotyCount;
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qreal xPos = xStep / 2 - barWidth / 2;
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int itemIndex(0);
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for (int category = 0; category < categotyCount; category++) {
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qreal yPos = height + scale * m_domainMinY;
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for (int set=0; set < m_series->barsetCount(); set++) {
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QBarSet* barSet = m_series->d_func()->barsetAt(set);
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qreal barHeight = barSet->valueAt(category) * scale;
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Bar* bar = m_bars.at(itemIndex);
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bar->setPen(barSet->pen());
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bar->setBrush(barSet->brush());
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QRectF rect(xPos, yPos-barHeight, barWidth, barHeight);
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layout.append(rect);
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BarLabel* label = m_labels.at(itemIndex);
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if (!qFuzzyIsNull(barSet->valueAt(category))) {
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label->setText(QString::number(barSet->valueAt(category)));
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} else {
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label->setText(QString(""));
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}
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label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2)
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,yPos - barHeight/2 - label->boundingRect().height()/2);
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label->setFont(barSet->labelFont());
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itemIndex++;
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yPos -= barHeight;
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}
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xPos += xStep;
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}
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return layout;
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}
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#include "moc_stackedbarchartitem_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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