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-rw-r--r--src/axis/logvalueaxis/chartlogvalueaxisy.cpp137
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diff --git a/src/axis/logvalueaxis/chartlogvalueaxisy.cpp b/src/axis/logvalueaxis/chartlogvalueaxisy.cpp
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index 556ddfe4..00000000
--- a/src/axis/logvalueaxis/chartlogvalueaxisy.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2014 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 Enterprise Charts Add-on.
-**
-** $QT_BEGIN_LICENSE$
-** Licensees holding valid Qt Enterprise licenses may use this file in
-** accordance with the Qt Enterprise 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
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "chartlogvalueaxisy_p.h"
-#include "chartpresenter_p.h"
-#include "qlogvalueaxis.h"
-#include "abstractchartlayout_p.h"
-#include <QGraphicsLayout>
-#include <qmath.h>
-#include <QDebug>
-
-QTCOMMERCIALCHART_BEGIN_NAMESPACE
-
-ChartLogValueAxisY::ChartLogValueAxisY(QLogValueAxis *axis, QGraphicsItem *item)
- : VerticalAxis(axis, item),
- m_axis(axis)
-{
- QObject::connect(m_axis, SIGNAL(baseChanged(qreal)), this, SLOT(handleBaseChanged(qreal)));
- QObject::connect(m_axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
-}
-
-ChartLogValueAxisY::~ChartLogValueAxisY()
-{
-}
-
-QVector<qreal> ChartLogValueAxisY::calculateLayout() const
-{
- QVector<qreal> points;
- qreal logMax = log10(m_axis->max()) / log10(m_axis->base());
- qreal logMin = log10(m_axis->min()) / log10(m_axis->base());
- qreal leftEdge = logMin < logMax ? logMin : logMax;
- qreal ceilEdge = ceil(leftEdge);
- int tickCount = qAbs(ceil(logMax) - ceil(logMin));
-
- points.resize(tickCount);
- const QRectF &gridRect = gridGeometry();
- const qreal deltaY = gridRect.height() / qAbs(logMax - logMin);
- for (int i = 0; i < tickCount; ++i)
- points[i] = (ceilEdge + qreal(i)) * -deltaY - leftEdge * -deltaY + gridRect.bottom();
-
- return points;
-}
-
-
-void ChartLogValueAxisY::updateGeometry()
-{
- const QVector<qreal> &layout = ChartAxisElement::layout();
- if (layout.isEmpty())
- return;
- setLabels(createLogValueLabels(m_axis->min(), m_axis->max(), m_axis->base(), layout.size(), m_axis->labelFormat()));
- VerticalAxis::updateGeometry();
-}
-
-void ChartLogValueAxisY::handleBaseChanged(qreal base)
-{
- Q_UNUSED(base);
- QGraphicsLayoutItem::updateGeometry();
- if(presenter()) presenter()->layout()->invalidate();
-}
-
-void ChartLogValueAxisY::handleLabelFormatChanged(const QString &format)
-{
- Q_UNUSED(format);
- QGraphicsLayoutItem::updateGeometry();
- if(presenter()) presenter()->layout()->invalidate();
-}
-
-QSizeF ChartLogValueAxisY::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
-{
- Q_UNUSED(constraint)
-
- QSizeF sh;
-
- QSizeF base = VerticalAxis::sizeHint(which, constraint);
- QStringList ticksList;
- qreal logMax = log10(m_axis->max()) / log10(m_axis->base());
- qreal logMin = log10(m_axis->min()) / log10(m_axis->base());
- int tickCount = qAbs(ceil(logMax) - ceil(logMin));
- if (m_axis->max() > m_axis->min() && tickCount > 0)
- ticksList = createLogValueLabels(m_axis->min(), m_axis->max(), m_axis->base(), tickCount, m_axis->labelFormat());
- else
- ticksList.append(QString(" "));
- qreal width = 0;
- // Height of vertical axis sizeHint indicates the maximum distance labels can extend past
- // first and last ticks. Base height is irrelevant.
- qreal height = 0;
-
- switch (which) {
- case Qt::MinimumSize: {
- QRectF boundingRect = ChartPresenter::textBoundingRect(axis()->labelsFont(), "...", axis()->labelsAngle());
- width = boundingRect.width() + labelPadding() + base.width() + 1.0;
- height = boundingRect.height() / 2.0;
- sh = QSizeF(width, height);
- break;
- }
- case Qt::PreferredSize: {
- qreal labelWidth = 0.0;
- qreal firstHeight = -1.0;
- foreach (const QString& s, ticksList) {
- QRectF rect = ChartPresenter::textBoundingRect(axis()->labelsFont(), s, axis()->labelsAngle());
- labelWidth = qMax(rect.width(), labelWidth);
- height = rect.height();
- if (firstHeight < 0.0)
- firstHeight = height;
- }
- width = labelWidth + labelPadding() + base.width() + 2.0; //two pixels of tolerance
- height = qMax(height, firstHeight) / 2.0;
- sh = QSizeF(width, height);
- break;
- }
- default:
- break;
- }
-
- return sh;
-}
-
-#include "moc_chartlogvalueaxisy_p.cpp"
-
-QTCOMMERCIALCHART_END_NAMESPACE