|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2014 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.io
|
|
|
**
|
|
|
** This file is part of the Qt Charts module.
|
|
|
**
|
|
|
** 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
|
|
|
** agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.io
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include <private/xypolardomain_p.h>
|
|
|
#include <private/qabstractaxis_p.h>
|
|
|
#include <QtCore/QtMath>
|
|
|
|
|
|
QT_CHARTS_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)
|
|
|
{
|
|
|
storeZoomReset();
|
|
|
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)
|
|
|
{
|
|
|
storeZoomReset();
|
|
|
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 QT_CHARTS_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 QT_CHARTS_AUTOTEST_EXPORT operator!= (const XYPolarDomain &domain1, const XYPolarDomain &domain2)
|
|
|
{
|
|
|
return !(domain1 == domain2);
|
|
|
}
|
|
|
|
|
|
|
|
|
QDebug QT_CHARTS_AUTOTEST_EXPORT operator<<(QDebug dbg, const XYPolarDomain &domain)
|
|
|
{
|
|
|
#ifdef QT_NO_TEXTSTREAM
|
|
|
Q_UNUSED(domain)
|
|
|
#else
|
|
|
dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size;
|
|
|
#endif
|
|
|
return dbg.maybeSpace();
|
|
|
}
|
|
|
|
|
|
#include "moc_xypolardomain_p.cpp"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
