horizontalbarchartitem.cpp
97 lines
| 3.8 KiB
| text/x-c
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CppLexer
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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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r1672 | #include "horizontalbarchartitem_p.h" | ||
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r1681 | #include "qabstractbarseries_p.h" | ||
#include "qbarset_p.h" | ||||
#include "bar_p.h" | ||||
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r1672 | |||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r2273 | HorizontalBarChartItem::HorizontalBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) | ||
: AbstractBarChartItem(series, item) | ||||
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r1672 | { | ||
} | ||||
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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) { | ||||
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r2356 | topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth), m_validData); | ||
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r2387 | bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); | ||
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r2316 | } else { | ||
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r2356 | topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + set/setCount * barWidth), m_validData); | ||
bottomRight = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); | ||||
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r2316 | } | ||
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r2356 | if (!m_validData) | ||
return; | ||||
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r2316 | rect.setTopLeft(topLeft); | ||
rect.setBottomRight(bottomRight); | ||||
m_layout.append(rect.normalized()); | ||||
} | ||||
} | ||||
} | ||||
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r1681 | QVector<QRectF> HorizontalBarChartItem::calculateLayout() | ||
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r1672 | { | ||
QVector<QRectF> layout; | ||||
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r1681 | |||
// Use temporary qreals for accuracy | ||||
qreal categoryCount = m_series->d_func()->categoryCount(); | ||||
qreal setCount = m_series->count(); | ||||
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r2303 | qreal barWidth = m_series->d_func()->barWidth(); | ||
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r1681 | |||
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r2303 | for(int category = 0; category < categoryCount; category++) { | ||
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r1681 | for (int set = 0; set < setCount; set++) { | ||
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r2303 | qreal value = m_series->barSets().at(set)->at(category); | ||
QRectF rect; | ||||
QPointF topLeft; | ||||
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r2305 | if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) | ||
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r2356 | topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth), m_validData); | ||
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r2303 | else | ||
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r2356 | topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + set/setCount * barWidth), m_validData); | ||
QPointF bottomRight = domain()->calculateGeometryPoint(QPointF(value, category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); | ||||
if (!m_validData) | ||||
return QVector<QRectF>(); | ||||
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r1681 | |||
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r2303 | rect.setTopLeft(topLeft); | ||
rect.setBottomRight(bottomRight); | ||||
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r2316 | layout.append(rect.normalized()); | ||
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r1681 | } | ||
} | ||||
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r1672 | return layout; | ||
} | ||||
#include "moc_horizontalbarchartitem_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||