stackedbarchartitem.cpp
85 lines
| 2.8 KiB
| text/x-c
|
CppLexer
|
r794 | /**************************************************************************** | ||
** | ||||
** 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 | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
|
r666 | #include "stackedbarchartitem_p.h" | ||
|
r118 | #include "bar_p.h" | ||
|
r820 | #include "barlabel_p.h" | ||
|
r962 | #include "qbarset_p.h" | ||
#include "qbarseries_p.h" | ||||
|
r214 | #include "qbarset.h" | ||
|
r96 | |||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
|
r677 | StackedBarChartItem::StackedBarChartItem(QBarSeries *series, ChartPresenter *presenter) : | ||
|
r737 | BarChartItem(series, presenter) | ||
|
r96 | { | ||
} | ||||
|
r694 | QVector<QRectF> StackedBarChartItem::calculateLayout() | ||
|
r96 | { | ||
|
r694 | QVector<QRectF> layout; | ||
|
r839 | // Use temporary qreals for accurancy | ||
|
r679 | |||
|
r674 | // Domain: | ||
|
r839 | qreal range = m_domainMaxY - m_domainMinY; | ||
|
r679 | qreal height = geometry().height(); | ||
qreal width = geometry().width(); | ||||
|
r839 | qreal scale = (height / range); | ||
|
r763 | qreal categotyCount = m_series->categoryCount(); | ||
|
r737 | qreal barWidth = width / (categotyCount * 2); | ||
qreal xStep = width / categotyCount; | ||||
|
r976 | qreal xPos = xStep / 2 - barWidth / 2 + geometry().topLeft().x(); | ||
|
r679 | |||
|
r473 | int itemIndex(0); | ||
|
r679 | for (int category = 0; category < categotyCount; category++) { | ||
|
r976 | qreal yPos = height + scale * m_domainMinY + geometry().topLeft().y(); | ||
|
r763 | for (int set=0; set < m_series->barsetCount(); set++) { | ||
|
r962 | QBarSet* barSet = m_series->d_func()->barsetAt(set); | ||
|
r817 | |||
|
r993 | qreal barHeight = barSet->at(category) * scale; | ||
|
r763 | Bar* bar = m_bars.at(itemIndex); | ||
|
r817 | bar->setPen(barSet->pen()); | ||
bar->setBrush(barSet->brush()); | ||||
|
r737 | QRectF rect(xPos, yPos-barHeight, barWidth, barHeight); | ||
|
r694 | layout.append(rect); | ||
|
r654 | |||
|
r820 | BarLabel* label = m_labels.at(itemIndex); | ||
|
r263 | |||
|
r993 | if (!qFuzzyIsNull(barSet->at(category))) { | ||
label->setText(QString::number(barSet->at(category))); | ||||
|
r276 | } else { | ||
|
r820 | label->setText(QString("")); | ||
|
r276 | } | ||
|
r263 | |||
|
r820 | label->setPos(xPos + (rect.width()/2 - label->boundingRect().width()/2) | ||
,yPos - barHeight/2 - label->boundingRect().height()/2); | ||||
|
r839 | label->setFont(barSet->labelFont()); | ||
|
r263 | itemIndex++; | ||
yPos -= barHeight; | ||||
} | ||||
xPos += xStep; | ||||
|
r119 | } | ||
|
r817 | |||
|
r694 | return layout; | ||
|
r96 | } | ||
|
r666 | #include "moc_stackedbarchartitem_p.cpp" | ||
|
r288 | |||
|
r96 | QTCOMMERCIALCHART_END_NAMESPACE | ||