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Fixed: chart not redrawing when logaxis's logBase value changed
Fixed: chart not redrawing when logaxis's logBase value changed
Marek Rosa - - Load All Authors

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r2316:74962bdcee07
r2322:2741539ef9e9
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horizontalbarchartitem.cpp
90 lines | 3.6 KiB | text/x-c | CppLexer
/ src / barchart / horizontal / bar / horizontalbarchartitem.cpp
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horizontal barchart & example
 r1681 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
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horizontal barchart frame
 r1672 #include "horizontalbarchartitem_p.h"
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horizontal barchart & example
 r1681 #include "qabstractbarseries_p.h"
#include "qbarset_p.h"
#include "bar_p.h"
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horizontal barchart frame
 r1672
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Michal Klocek
Refactors internals...
 r2273 HorizontalBarChartItem::HorizontalBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item)
: AbstractBarChartItem(series, item)
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horizontal barchart frame
 r1672 {
}
Marek Rosa
Bar animations refactored
 r2316 void HorizontalBarChartItem::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 + set/setCount * barWidth));
bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category + barWidth / 2 + (set + 1)/setCount * barWidth));
} else {
topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + set/setCount * barWidth));
bottomRight = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + (set + 1)/setCount * barWidth));
}
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
m_layout.append(rect.normalized());
}
}
}
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horizontal barchart & example
 r1681 QVector<QRectF> HorizontalBarChartItem::calculateLayout()
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horizontal barchart frame
 r1672 {
QVector<QRectF> layout;
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horizontal barchart & example
 r1681
// Use temporary qreals for accuracy
qreal categoryCount = m_series->d_func()->categoryCount();
qreal setCount = m_series->count();
Marek Rosa
New bar calculate layout
 r2303 qreal barWidth = m_series->d_func()->barWidth();
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horizontal barchart & example
 r1681
Marek Rosa
New bar calculate layout
 r2303 for(int category = 0; category < categoryCount; category++) {
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horizontal barchart & example
 r1681 for (int set = 0; set < setCount; set++) {
Marek Rosa
New bar calculate layout
 r2303 qreal value = m_series->barSets().at(set)->at(category);
QRectF rect;
QPointF topLeft;
Marek Rosa
BarChartItems code cleanup
 r2305 if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain)
Marek Rosa
Bar animations refactored
 r2316 topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth));
Marek Rosa
New bar calculate layout
 r2303 else
Marek Rosa
Bar animations refactored
 r2316 topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + set/setCount * barWidth));
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horizontal barchart & example
 r1681
Marek Rosa
Bar animations refactored
 r2316 QPointF bottomRight = domain()->calculateGeometryPoint(QPointF(value, category - barWidth / 2 + (set + 1)/setCount * barWidth));
Marek Rosa
New bar calculate layout
 r2303 rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
Marek Rosa
Bar animations refactored
 r2316 layout.append(rect.normalized());
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horizontal barchart & example
 r1681 }
}
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horizontal barchart frame
 r1672 return layout;
}
#include "moc_horizontalbarchartitem_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE