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Added BoxPlot type to axis handling....
Added BoxPlot type to axis handling. Change-Id: Ib5153afb4ccbd7b71b5d5ee7ed3ccefaeb382c15 Reviewed-by: Mika Salmela <mika.salmela@digia.com>
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r2461:95a0f898019d
r2473:15a5429df290
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boxwhiskers.cpp
193 lines | 5.7 KiB | text/x-c | CppLexer
/ src / boxplotchart / boxwhiskers.cpp
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Mika Salmela
Initial revision of boxplot series handling...
 r2461 /****************************************************************************
**
** 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 "boxwhiskers_p.h"
#include <QPainter>
#include <QDebug>
#include <QWidget>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
BoxWhiskers::BoxWhiskers(AbstractDomain *domain, QGraphicsObject *parent) :
QGraphicsObject(parent),
m_domain(domain)
{
}
BoxWhiskers::~BoxWhiskers()
{
//qDebug() << "BoxWhiskers::~BoxWhiskers()";
}
void BoxWhiskers::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
qDebug() << "BoxWhiskers::mousePressEvent";
}
void BoxWhiskers::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
qDebug() << "BoxWhiskers::hoverEnterEvent";
}
void BoxWhiskers::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
qDebug() << "BoxWhiskers::hoverLeaveEvent";
}
void BoxWhiskers::setBrush(const QBrush &brush)
{
m_brush = brush;
}
void BoxWhiskers::setPen(const QPen &pen)
{
m_pen = pen;
}
void BoxWhiskers::setLayout(const BoxWhiskersData &data)
{
m_data = data;
// if (m_data.m_index == 1)
// qDebug() << "BoxWhiskers::setLayout";
updateGeometry();
//update(0.0, 0.0, m_data.m_domainSize.width(), m_data.m_domainSize.height());
update();
}
QSizeF BoxWhiskers::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
//Q_UNUSED(which)
Q_UNUSED(constraint)
qDebug() << "BoxWhiskers::sizeHint, which = " << which;
return QSizeF();
}
void BoxWhiskers::setGeometry(const QRectF &rect) // TODO: Unused?
{
Q_UNUSED(rect)
qDebug() << "BoxWhiskers::setGeometry";
}
void BoxWhiskers::setDomainSize(const QSizeF &size)
{
m_domainSize = size;
updateBoundingRect();
}
QRectF BoxWhiskers::boundingRect() const
{
return m_boundingRect;
}
void BoxWhiskers::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
//Q_UNUSED(painter)
//painter->save();
//painter->setClipRect(parentItem()->boundingRect());
painter->setPen(m_pen);
painter->setBrush(m_brush);
qreal spanY = m_data.m_maxY - m_data.m_minY;
//painter->setClipRect(parentItem()->boundingRect());
painter->scale(m_domainSize.width() / m_data.m_boxItems, m_domainSize.height() / spanY);
painter->drawPath(m_boxPath);
//painter->restore();
}
void BoxWhiskers::updateGeometry()
{
prepareGeometryChange();
QPainterPath path;
// TODO: Dirty hack
if (m_data.m_seriesCount == 0) m_data.m_seriesCount = 1;
qreal columnWidth = 1.0 / m_data.m_seriesCount;
qreal left = 0.25 * columnWidth + columnWidth * m_data.m_seriesIndex;
qreal right = 0.75 * columnWidth + columnWidth * m_data.m_seriesIndex;
qreal middle = 0.5 * columnWidth + columnWidth * m_data.m_seriesIndex;
//whisker = 0.35 0.75
// Upper whisker
path.moveTo(left + m_data.m_index, m_data.m_maxY - m_data.m_upperExtreme);
path.lineTo(right + m_data.m_index, m_data.m_maxY - m_data.m_upperExtreme);
path.moveTo(middle + m_data.m_index, m_data.m_maxY - m_data.m_upperExtreme);
path.lineTo(middle + m_data.m_index, m_data.m_maxY - m_data.m_upperQuartile);
path.closeSubpath();
// Middle Box
path.addRect(left + m_data.m_index, m_data.m_maxY - m_data.m_upperQuartile,
0.5 * columnWidth, m_data.m_upperQuartile - m_data.m_lowerQuartile);
// Median/mean line
path.moveTo(left + m_data.m_index, m_data.m_maxY - m_data.m_median);
path.lineTo(right + m_data.m_index, m_data.m_maxY - m_data.m_median);
// Lower whisker
path.moveTo(left + m_data.m_index, m_data.m_maxY - m_data.m_lowerExtreme);
path.lineTo(right + m_data.m_index, m_data.m_maxY - m_data.m_lowerExtreme);
path.moveTo(middle + m_data.m_index, m_data.m_maxY - m_data.m_lowerExtreme);
path.lineTo(middle + m_data.m_index, m_data.m_maxY - m_data.m_lowerQuartile);
path.closeSubpath();
m_boxPath = path;
updateBoundingRect();
// qreal scaleY = m_domainSize.height() / (m_data.m_maxY - m_data.m_minY);
// qreal scaleX = m_domainSize.width() / m_data.m_boxItems;
// QRectF br = path.boundingRect();
// m_boundingRect = QRectF( br.x() * scaleX, br.y() * scaleY, br.width() * scaleX, br.height() * scaleY);
if (m_data.m_index == 5) {
//qDebug() << "myValue = " << myValue;
//qDebug() << "m_data.m_upperExtreme" << m_data.m_upperExtreme;
//qDebug() << "m_boundingRect = " << m_boundingRect;
// qDebug() << "x = " << m_boundingRect.x() << ", y = " << m_boundingRect.y() << ", width = "
// << m_boundingRect.width() << ", height = " << m_boundingRect.height();
}
}
void BoxWhiskers::updateBoundingRect()
{
qreal scaleY = m_domainSize.height() / (m_data.m_maxY - m_data.m_minY);
qreal scaleX = m_domainSize.width() / m_data.m_boxItems;
QRectF br = m_boxPath.boundingRect();
m_boundingRect = QRectF( br.x() * scaleX, br.y() * scaleY, br.width() * scaleX, br.height() * scaleY);
}
#include "moc_boxwhiskers_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE