horizontalbarchartitem.cpp
92 lines
| 3.7 KiB
| text/x-c
|
CppLexer
|
r1681 | /**************************************************************************** | ||
** | ||||
|
r2776 | ** Copyright (C) 2015 The Qt Company Ltd | ||
|
r1681 | ** All rights reserved. | ||
|
r2776 | ** For any questions to The Qt Company, please use contact form at http://qt.io | ||
|
r1681 | ** | ||
|
r2740 | ** This file is part of the Qt Charts module. | ||
|
r1681 | ** | ||
|
r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
** accordance with the Qt License Agreement provided with the Software | ||||
** or, alternatively, in accordance with the terms contained in a written | ||||
|
r2776 | ** agreement between you and The Qt Company. | ||
|
r1681 | ** | ||
** If you have questions regarding the use of this file, please use | ||||
|
r2740 | ** contact form at http://qt.io | ||
|
r1681 | ** | ||
****************************************************************************/ | ||||
|
r2714 | #include <private/horizontalbarchartitem_p.h> | ||
#include <private/qabstractbarseries_p.h> | ||||
#include <private/qbarset_p.h> | ||||
#include <private/bar_p.h> | ||||
|
r1672 | |||
|
r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
|
r1672 | |||
|
r2273 | HorizontalBarChartItem::HorizontalBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) | ||
: AbstractBarChartItem(series, item) | ||||
|
r1672 | { | ||
} | ||||
|
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) { | ||||
|
r2356 | topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth), m_validData); | ||
|
r2387 | bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); | ||
|
r2316 | } else { | ||
|
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); | ||||
|
r2316 | } | ||
|
r2356 | if (!m_validData) | ||
return; | ||||
|
r2316 | rect.setTopLeft(topLeft); | ||
rect.setBottomRight(bottomRight); | ||||
m_layout.append(rect.normalized()); | ||||
} | ||||
} | ||||
} | ||||
|
r1681 | QVector<QRectF> HorizontalBarChartItem::calculateLayout() | ||
|
r1672 | { | ||
QVector<QRectF> layout; | ||||
|
r1681 | |||
// Use temporary qreals for accuracy | ||||
qreal categoryCount = m_series->d_func()->categoryCount(); | ||||
qreal setCount = m_series->count(); | ||||
|
r2303 | qreal barWidth = m_series->d_func()->barWidth(); | ||
|
r1681 | |||
|
r2303 | for(int category = 0; category < categoryCount; category++) { | ||
|
r1681 | for (int set = 0; set < setCount; set++) { | ||
|
r2303 | qreal value = m_series->barSets().at(set)->at(category); | ||
QRectF rect; | ||||
QPointF topLeft; | ||||
|
r2305 | if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) | ||
|
r2356 | topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth), m_validData); | ||
|
r2303 | else | ||
|
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); | ||||
|
r2303 | rect.setTopLeft(topLeft); | ||
rect.setBottomRight(bottomRight); | ||||
|
r2316 | layout.append(rect.normalized()); | ||
|
r1681 | } | ||
} | ||||
|
r1672 | return layout; | ||
} | ||||
#include "moc_horizontalbarchartitem_p.cpp" | ||||
|
r2712 | QT_CHARTS_END_NAMESPACE | ||