horizontalbarchartitem.cpp
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| 4.9 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 | ||||
Michal Klocek
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r2273 | HorizontalBarChartItem::HorizontalBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) | ||
: AbstractBarChartItem(series, item) | ||||
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r1672 | { | ||
} | ||||
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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(); | ||||
Marek Rosa
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r2303 | // bool barsVisible = m_series->isVisible(); | ||
qreal barWidth = m_series->d_func()->barWidth(); | ||||
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r1681 | |||
int itemIndex(0); | ||||
Marek Rosa
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r2303 | for(int category = 0; category < categoryCount; category++) { | ||
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r1681 | for (int set = 0; set < setCount; set++) { | ||
Marek Rosa
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r2303 | qreal value = m_series->barSets().at(set)->at(category); | ||
QRectF rect; | ||||
QPointF topLeft; | ||||
if (domain()->type() == AbstractDomain::LogXYDomain | ||||
|| domain()->type() == AbstractDomain::LogXLogYDomain) | ||||
topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + (set + 1)/(setCount) * barWidth)); | ||||
else | ||||
topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + (set + 1)/(setCount) * barWidth)); | ||||
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r1681 | |||
Marek Rosa
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r2303 | QPointF bottomRight = domain()->calculateGeometryPoint(QPointF(value, category - barWidth / 2 + (set)/(setCount) * barWidth)); | ||
rect.setTopLeft(topLeft); | ||||
rect.setBottomRight(bottomRight); | ||||
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r1681 | layout.append(rect); | ||
Jani Honkonen
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r2104 | QGraphicsSimpleTextItem *label = m_labels.at(itemIndex); | ||
Marek Rosa
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r2303 | label->setZValue(200); | ||
itemIndex++; | ||||
if (!qFuzzyCompare(value, 0)) | ||||
label->setText(QString::number(value)); | ||||
Jani Honkonen
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r2097 | else | ||
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r1681 | label->setText(QString("")); | ||
Marek Rosa
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r2303 | // label->setFont(m_series->barSets().at(set)->labelFont()); | ||
// label->setBrush(m_series->barSets().at(set)->labelBrush()); | ||||
label->setBrush(Qt::black); | ||||
label->setPos(rect.center() - label->boundingRect().center()); | ||||
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r1681 | |||
} | ||||
} | ||||
Marek Rosa
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r2303 | |||
// // AbstractDomain: | ||||
// qreal width = geometry().width(); | ||||
// qreal height = geometry().height(); | ||||
// qreal rangeY = m_domainMaxY - m_domainMinY; | ||||
// qreal rangeX = m_domainMaxX - m_domainMinX; | ||||
// qreal scaleY = (height / rangeY); | ||||
// qreal scaleX = (width / rangeX); | ||||
// // On horizontal chart barWidth of the barseries means height of the rect. | ||||
// qreal rectHeight = (scaleY / setCount) * m_series->d_func()->barWidth(); | ||||
// int itemIndex(0); | ||||
// for (int category = 0; category < categoryCount; category++) { | ||||
// qreal xPos = -scaleX * m_domainMinX + geometry().left(); | ||||
// for (int set = 0; set < setCount; set++) { | ||||
// QBarSetPrivate *barSet = m_series->d_func()->barsetAt(set)->d_ptr.data(); | ||||
// qreal yPos = geometry().bottom() + (m_domainMinY - barSet->pos(category)) * scaleY; | ||||
// yPos += setCount * rectHeight / 2; | ||||
// yPos -= set * rectHeight; | ||||
// qreal rectWidth = barSet->value(category) * scaleX; | ||||
// Bar *bar = m_bars.at(itemIndex); | ||||
// QRectF rect(xPos, yPos - rectHeight, rectWidth, rectHeight); | ||||
// layout.append(rect); | ||||
// bar->setPen(barSet->m_pen); | ||||
// bar->setBrush(barSet->m_brush); | ||||
// if (qFuzzyCompare(rectHeight, 0)) | ||||
// bar->setVisible(false); | ||||
// else | ||||
// bar->setVisible(barsVisible); | ||||
// QGraphicsSimpleTextItem *label = m_labels.at(itemIndex); | ||||
// if (!qFuzzyCompare(barSet->value(category), 0)) | ||||
// label->setText(QString::number(barSet->value(category))); | ||||
// else | ||||
// label->setText(QString("")); | ||||
// label->setPos(xPos + (rect.width() / 2 - label->boundingRect().width() / 2), | ||||
// yPos - rectHeight / 2 - label->boundingRect().height() / 2); | ||||
// label->setFont(barSet->m_labelFont); | ||||
// label->setBrush(barSet->m_labelBrush); | ||||
// itemIndex++; | ||||
// } | ||||
// } | ||||
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r1672 | return layout; | ||
} | ||||
#include "moc_horizontalbarchartitem_p.cpp" | ||||
QTCOMMERCIALCHART_END_NAMESPACE | ||||