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Fix Chart build when QT_NO_RUBBERBAND is defined...
Fix Chart build when QT_NO_RUBBERBAND is defined No rubber band is set for the QChartView if QT_NO_RUBBERBAND is defined. A warning will be fired in case one tries to set the rubber band and Qt is configured without the it. Task-number: QTRD-2240 Change-Id: I6259726077e39f143e317e1b1b13a1daa2a0c1e0 Reviewed-by: Karim Pinter <karim.pinter@digia.com> Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Titta Heikkala - - Load All Authors

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r2620:bcd8645639fe
r2623:e4fe606cdd4c
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xypolardomain.cpp
184 lines | 4.8 KiB | text/x-c | CppLexer
/ src / domain / xypolardomain.cpp
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Miikka Heikkinen
Add Polar chart support...
 r2483 /****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
Miikka Heikkinen
Qt Commercial -> Qt Enterprise...
 r2574 ** This file is part of the Qt Enterprise Charts Add-on.
Miikka Heikkinen
Add Polar chart support...
 r2483 **
** $QT_BEGIN_LICENSE$
Miikka Heikkinen
Qt Commercial -> Qt Enterprise...
 r2574 ** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
Miikka Heikkinen
Add Polar chart support...
 r2483 ** 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 "xypolardomain_p.h"
#include "qabstractaxis_p.h"
#include <qmath.h>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
XYPolarDomain::XYPolarDomain(QObject *parent)
: PolarDomain(parent)
{
}
XYPolarDomain::~XYPolarDomain()
{
}
void XYPolarDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY)
{
bool axisXChanged = false;
bool axisYChanged = false;
if (!qFuzzyCompare(m_minX, minX) || !qFuzzyCompare(m_maxX, maxX)) {
m_minX = minX;
m_maxX = maxX;
axisXChanged = true;
if (!m_signalsBlocked)
emit rangeHorizontalChanged(m_minX, m_maxX);
}
if (!qFuzzyCompare(m_minY, minY) || !qFuzzyCompare(m_maxY, maxY)) {
m_minY = minY;
m_maxY = maxY;
axisYChanged = true;
if (!m_signalsBlocked)
emit rangeVerticalChanged(m_minY, m_maxY);
}
if (axisXChanged || axisYChanged)
emit updated();
}
void XYPolarDomain::zoomIn(const QRectF &rect)
{
Miikka Heikkinen
Added QChart::zoomReset() and QChart::isZoomed()...
 r2545 storeZoomReset();
Miikka Heikkinen
Add Polar chart support...
 r2483 qreal dx = spanX() / m_size.width();
qreal dy = spanY() / m_size.height();
qreal maxX = m_maxX;
qreal minX = m_minX;
qreal minY = m_minY;
qreal maxY = m_maxY;
maxX = minX + dx * rect.right();
minX = minX + dx * rect.left();
minY = maxY - dy * rect.bottom();
maxY = maxY - dy * rect.top();
setRange(minX, maxX, minY, maxY);
}
void XYPolarDomain::zoomOut(const QRectF &rect)
{
Miikka Heikkinen
Added QChart::zoomReset() and QChart::isZoomed()...
 r2545 storeZoomReset();
Miikka Heikkinen
Add Polar chart support...
 r2483 qreal dx = spanX() / rect.width();
qreal dy = spanY() / rect.height();
qreal maxX = m_maxX;
qreal minX = m_minX;
qreal minY = m_minY;
qreal maxY = m_maxY;
minX = maxX - dx * rect.right();
maxX = minX + dx * m_size.width();
maxY = minY + dy * rect.bottom();
minY = maxY - dy * m_size.height();
setRange(minX, maxX, minY, maxY);
}
void XYPolarDomain::move(qreal dx, qreal dy)
{
// One unit scrolls one degree angular and one pixel radial
qreal x = spanX() / 360.0;
qreal y = spanY() / m_radius;
qreal maxX = m_maxX;
qreal minX = m_minX;
qreal minY = m_minY;
qreal maxY = m_maxY;
if (dx != 0) {
minX = minX + x * dx;
maxX = maxX + x * dx;
}
if (dy != 0) {
minY = minY + y * dy;
maxY = maxY + y * dy;
}
setRange(minX, maxX, minY, maxY);
}
QPointF XYPolarDomain::calculateDomainPoint(const QPointF &point) const
{
if (point == m_center)
return QPointF(0.0, m_minX);
QLineF line(m_center, point);
qreal a = 90.0 - line.angle();
if (a < 0.0)
a += 360.0;
a = ((a / 360.0) * (m_maxX - m_minX)) + m_minX;
qreal r = m_minY + ((m_maxY - m_minY) * (line.length() / m_radius));
return QPointF(a, r);
}
qreal XYPolarDomain::toAngularCoordinate(qreal value, bool &ok) const
{
ok = true;
qreal f = (value - m_minX) / (m_maxX - m_minX);
return f * 360.0;
}
qreal XYPolarDomain::toRadialCoordinate(qreal value, bool &ok) const
{
ok = true;
if (value < m_minY)
value = m_minY;
// Dont limit the max. The drawing should clip the stuff that goes out of the grid
qreal f = (value - m_minY) / (m_maxY - m_minY);
return f * m_radius;
}
// operators
bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const XYPolarDomain &domain1, const XYPolarDomain &domain2)
{
return (qFuzzyCompare(domain1.m_maxX, domain2.m_maxX)
&& qFuzzyCompare(domain1.m_maxY, domain2.m_maxY)
&& qFuzzyCompare(domain1.m_minX, domain2.m_minX)
&& qFuzzyCompare(domain1.m_minY, domain2.m_minY));
}
bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const XYPolarDomain &domain1, const XYPolarDomain &domain2)
{
return !(domain1 == domain2);
}
QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const XYPolarDomain &domain)
{
Titta Heikkala
Fix Chart build when QT_NO_TEXTSTREAM is defined...
 r2620 #ifdef QT_NO_TEXTSTREAM
Q_UNUSED(domain)
#else
Miikka Heikkinen
Add Polar chart support...
 r2483 dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size;
Titta Heikkala
Fix Chart build when QT_NO_TEXTSTREAM is defined...
 r2620 #endif
Miikka Heikkinen
Add Polar chart support...
 r2483 return dbg.maybeSpace();
}
#include "moc_xypolardomain_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE