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Fix model resetting in with model mappers...
Fix model resetting in with model mappers Change-Id: I22afd1d361aaf0561b4d94b6a3656bfe7b0d9812 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

File last commit:

r2845:ae12522d475c
r2870:ea9744cf9a34
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horizontalstackedbarchartitem.cpp
108 lines | 4.5 KiB | text/x-c | CppLexer
/ src / charts / barchart / horizontal / stacked / horizontalstackedbarchartitem.cpp
/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include <private/horizontalstackedbarchartitem_p.h>
#include <private/qabstractbarseries_p.h>
#include <private/qbarset_p.h>
#include <private/bar_p.h>
QT_CHARTS_BEGIN_NAMESPACE
HorizontalStackedBarChartItem::HorizontalStackedBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item)
: AbstractBarChartItem(series, item)
{
}
void HorizontalStackedBarChartItem::initializeLayout()
{
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
qreal barWidth = m_series->d_func()->barWidth();
m_layout.clear();
for(int category = 0; category < categoryCount; category++) {
for (int set = 0; set < setCount; set++) {
QRectF rect;
QPointF topLeft;
QPointF bottomRight;
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) {
topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category + barWidth / 2), m_validData);
} else {
topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2), m_validData);
bottomRight = domain()->calculateGeometryPoint(QPointF(0, category + barWidth / 2), m_validData);
}
if (!m_validData)
return;
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
m_layout.append(rect.normalized());
}
}
}
QVector<QRectF> HorizontalStackedBarChartItem::calculateLayout()
{
QVector<QRectF> layout;
// Use temporary qreals for accuracy
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
qreal barWidth = m_series->d_func()->barWidth();
for(int category = 0; category < categoryCount; category++) {
qreal positiveSum = 0;
qreal negativeSum = 0;
for (int set = 0; set < setCount; set++) {
qreal value = m_series->barSets().at(set)->at(category);
QRectF rect;
QPointF topLeft;
QPointF bottomRight;
if (value < 0) {
bottomRight = domain()->calculateGeometryPoint(QPointF(value + negativeSum, category - barWidth / 2), m_validData);
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
topLeft = domain()->calculateGeometryPoint(QPointF(set ? negativeSum : domain()->minX(), category + barWidth / 2), m_validData);
else
topLeft = domain()->calculateGeometryPoint(QPointF(set ? negativeSum : 0, category + barWidth / 2), m_validData);
negativeSum += value;
} else {
bottomRight = domain()->calculateGeometryPoint(QPointF(value + positiveSum, category - barWidth / 2), m_validData);
if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
topLeft = domain()->calculateGeometryPoint(QPointF(set ? positiveSum : domain()->minX(), category + barWidth / 2), m_validData);
else
topLeft = domain()->calculateGeometryPoint(QPointF(set ? positiveSum : 0, category + barWidth / 2), m_validData);
positiveSum += value;
}
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
layout.append(rect.normalized());
}
}
return layout;
}
#include "moc_horizontalstackedbarchartitem_p.cpp"
QT_CHARTS_END_NAMESPACE