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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 "horizontalpercentbarchartitem_p.h"
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#include "qabstractbarseries_p.h"
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#include "qbarset_p.h"
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#include "bar_p.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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HorizontalPercentBarChartItem::HorizontalPercentBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item)
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: AbstractBarChartItem(series, item)
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{
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}
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QVector<QRectF> HorizontalPercentBarChartItem::calculateLayout()
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{
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QVector<QRectF> layout;
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// Use temporary qreals for accuracy
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qreal categoryCount = m_series->d_func()->categoryCount();
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qreal setCount = m_series->count();
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// bool barsVisible = m_series->isVisible();
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qreal barWidth = m_series->d_func()->barWidth();
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for(int category = 0; category < categoryCount; category++) {
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qreal sum = 0;
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qreal categorySum = m_series->d_func()->categorySum(category);
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for (int set = 0; set < setCount; set++) {
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qreal value = m_series->barSets().at(set)->at(category);
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QRectF rect;
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QPointF topLeft;
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if (domain()->type() == AbstractDomain::LogXYDomain
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|| domain()->type() == AbstractDomain::LogXLogYDomain)
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topLeft = domain()->calculateGeometryPoint(QPointF(set ? 100 * sum/categorySum : domain()->minX(), category + barWidth/2));
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else
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topLeft = domain()->calculateGeometryPoint(QPointF(set ? 100 * sum/categorySum : 0, category + barWidth/2));
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QPointF bottomRight = domain()->calculateGeometryPoint(QPointF(100 * (value + sum)/categorySum, category - barWidth/2));
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rect.setTopLeft(topLeft);
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rect.setBottomRight(bottomRight);
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layout.append(rect);
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sum +=value;
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}
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}
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// // AbstractDomain:
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// qreal width = geometry().width();
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// qreal height = geometry().height();
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// qreal rangeY = m_domainMaxY - m_domainMinY;
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// qreal rangeX = m_domainMaxX - m_domainMinX;
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// qreal scaleY = (height / rangeY);
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// qreal scaleX = (width / rangeX);
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// qreal rectHeight = scaleY * m_series->d_func()->barWidth(); // On horizontal chart barWidth of the barseries means height of the rect.
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// int itemIndex(0);
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// for (int category = 0; category < categoryCount; category++) {
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// qreal colSum = m_series->d_func()->categorySum(category);
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// qreal percentage = (100 / colSum);
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// qreal xPos = -scaleX * m_domainMinX + geometry().left();
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// for (int set = 0; set < setCount; set++) {
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// QBarSetPrivate *barSet = m_series->d_func()->barsetAt(set)->d_ptr.data();
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// qreal yPos = (m_domainMinY + 0.5 - barSet->pos(category)) * scaleY + geometry().bottom() - rectHeight / 2;
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// qreal rectWidth = barSet->value(category) * percentage * scaleX;
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// Bar *bar = m_bars.at(itemIndex);
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// QRectF rect(xPos, yPos - rectHeight, rectWidth, rectHeight);
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// layout.append(rect);
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// bar->setPen(barSet->m_pen);
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// bar->setBrush(barSet->m_brush);
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// if (qFuzzyCompare(rectHeight, 0))
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// bar->setVisible(false);
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// else
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// bar->setVisible(barsVisible);
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// QGraphicsSimpleTextItem *label = m_labels.at(itemIndex);
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// if (!qFuzzyCompare(m_series->d_func()->valueAt(set, category), 0)) {
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// int p = m_series->d_func()->percentageAt(set, category) * 100;
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// QString vString(QString::number(p));
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// vString.truncate(3);
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// vString.append("%");
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// label->setText(vString);
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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 - rectHeight / 2 - label->boundingRect().height() / 2);
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// label->setFont(barSet->m_labelFont);
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// label->setBrush(barSet->m_labelBrush);
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// itemIndex++;
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// xPos += rectWidth;
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// }
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// }
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return layout;
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}
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#include "moc_horizontalpercentbarchartitem_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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