|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "logxlogydomain_p.h"
|
|
|
#include "qabstractaxis_p.h"
|
|
|
#include "qlogvalueaxis.h"
|
|
|
#include <qmath.h>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
LogXLogYDomain::LogXLogYDomain(QObject *parent)
|
|
|
: AbstractDomain(parent),
|
|
|
m_logMinX(0),
|
|
|
m_logMaxX(1),
|
|
|
m_logBaseX(10),
|
|
|
m_logMinY(0),
|
|
|
m_logMaxY(1),
|
|
|
m_logBaseY(10)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
LogXLogYDomain::~LogXLogYDomain()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
void LogXLogYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY)
|
|
|
{
|
|
|
bool axisXChanged = false;
|
|
|
bool axisYChanged = false;
|
|
|
|
|
|
if (!qFuzzyIsNull(m_minX - minX) || !qFuzzyIsNull(m_maxX - maxX)) {
|
|
|
m_minX = minX;
|
|
|
m_maxX = maxX;
|
|
|
axisXChanged = true;
|
|
|
m_logMinX = log10(m_minX) / log10(m_logBaseX);
|
|
|
m_logMaxX = log10(m_maxX) / log10(m_logBaseX);
|
|
|
if(!m_signalsBlocked)
|
|
|
emit rangeHorizontalChanged(m_minX, m_maxX);
|
|
|
}
|
|
|
|
|
|
if (!qFuzzyIsNull(m_minY - minY) || !qFuzzyIsNull(m_maxY - maxY)) {
|
|
|
m_minY = minY;
|
|
|
m_maxY = maxY;
|
|
|
axisYChanged = true;
|
|
|
m_logMinY = log10(m_minY) / log10(m_logBaseY);
|
|
|
m_logMaxY = log10(m_maxY) / log10(m_logBaseY);
|
|
|
if(!m_signalsBlocked)
|
|
|
emit rangeVerticalChanged(m_minY, m_maxY);
|
|
|
}
|
|
|
|
|
|
if (axisXChanged || axisYChanged)
|
|
|
emit updated();
|
|
|
}
|
|
|
|
|
|
void LogXLogYDomain::zoomIn(const QRectF &rect)
|
|
|
{
|
|
|
qreal newLogMinX = rect.left() * (m_logMaxX - m_logMinX) / m_size.width() + m_logMinX;
|
|
|
qreal newLogMaxX = rect.right() * (m_logMaxX - m_logMinX) / m_size.width() + m_logMinX;
|
|
|
qreal minX = qPow(m_logBaseX, newLogMinX);
|
|
|
qreal maxX = qPow(m_logBaseX, newLogMaxX);
|
|
|
|
|
|
qreal newLogMinY = m_logMaxY - rect.bottom() * (m_logMaxY - m_logMinY) / m_size.height();
|
|
|
qreal newLogMaxY = m_logMaxY - rect.top() * (m_logMaxY - m_logMinY) / m_size.height();
|
|
|
qreal minY = qPow(m_logBaseY, newLogMinY);
|
|
|
qreal maxY = qPow(m_logBaseY, newLogMaxY);
|
|
|
|
|
|
setRange(minX, maxX, minY, maxY);
|
|
|
}
|
|
|
|
|
|
void LogXLogYDomain::zoomOut(const QRectF &rect)
|
|
|
{
|
|
|
qreal ratioX = m_size.width()/rect.width();
|
|
|
qreal newLogMinX = m_logMinX - (m_logMaxX - m_logMinX) / ratioX;
|
|
|
qreal newLogMaxX = m_logMaxX + (m_logMaxX - m_logMinX) / ratioX;
|
|
|
qreal minX = qPow(m_logBaseX, newLogMinX);
|
|
|
qreal maxX = qPow(m_logBaseX, newLogMaxX);
|
|
|
|
|
|
qreal ratioY = m_size.height()/rect.height();
|
|
|
qreal newLogMinY = m_logMinY - (m_logMaxY - m_logMinY) / ratioY;
|
|
|
qreal newLogMaxY = m_logMaxY + (m_logMaxY - m_logMinY) / ratioY;
|
|
|
qreal minY = qPow(m_logBaseY, newLogMinY);
|
|
|
qreal maxY = qPow(m_logBaseY, newLogMaxY);
|
|
|
|
|
|
setRange(minX, maxX, minY, maxY);
|
|
|
}
|
|
|
|
|
|
void LogXLogYDomain::move(qreal dx, qreal dy)
|
|
|
{
|
|
|
qreal stepX = dx * qAbs(m_logMaxX - m_logMinX) / m_size.width();
|
|
|
qreal minX = qPow(m_logBaseX, m_logMinX + stepX);
|
|
|
qreal maxX = qPow(m_logBaseX, m_logMaxX + stepX);
|
|
|
|
|
|
qreal stepY = dy * qAbs(m_logMaxY - m_logMinY) / m_size.height();
|
|
|
qreal minY = qPow(m_logBaseY, m_logMinY + stepY);
|
|
|
qreal maxY = qPow(m_logBaseY, m_logMaxY + stepY);
|
|
|
|
|
|
setRange(minX, maxX, minY, maxY);
|
|
|
}
|
|
|
|
|
|
QPointF LogXLogYDomain::calculateGeometryPoint(const QPointF &point) const
|
|
|
{
|
|
|
const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX;
|
|
|
const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY;
|
|
|
const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX);
|
|
|
const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY);
|
|
|
qreal x = (log10(point.x()) / log10(m_logBaseX)) * deltaX - leftEdgeX * deltaX;
|
|
|
qreal y = (log10(point.y()) / log10(m_logBaseY)) * -deltaY - leftEdgeY * -deltaY + m_size.height();
|
|
|
return QPointF(x, y);
|
|
|
}
|
|
|
|
|
|
QVector<QPointF> LogXLogYDomain::calculateGeometryPoints(const QList<QPointF>& vector) const
|
|
|
{
|
|
|
const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX;
|
|
|
const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY;
|
|
|
const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX);
|
|
|
const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY);
|
|
|
|
|
|
QVector<QPointF> result;
|
|
|
result.resize(vector.count());
|
|
|
|
|
|
for (int i = 0; i < vector.count(); ++i) {
|
|
|
qreal x = (log10(vector[i].x()) / log10(m_logBaseX)) * deltaX - leftEdgeX * deltaX;
|
|
|
qreal y = (log10(vector[i].y()) / log10(m_logBaseY)) * -deltaY - leftEdgeY * -deltaY + m_size.height();
|
|
|
result[i].setX(x);
|
|
|
result[i].setY(y);
|
|
|
}
|
|
|
return result;
|
|
|
}
|
|
|
|
|
|
QPointF LogXLogYDomain::calculateDomainPoint(const QPointF &point) const
|
|
|
{
|
|
|
const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX;
|
|
|
const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY;
|
|
|
const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX);
|
|
|
const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY);
|
|
|
qreal x = qPow(m_logBaseX, leftEdgeX + point.x() / deltaX);
|
|
|
qreal y = qPow(m_logBaseY, leftEdgeY + (m_size.height() - point.y()) / deltaY);
|
|
|
return QPointF(x, y);
|
|
|
}
|
|
|
|
|
|
bool LogXLogYDomain::attachAxis(QAbstractAxis* axis)
|
|
|
{
|
|
|
AbstractDomain::attachAxis(axis);
|
|
|
QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis);
|
|
|
|
|
|
if(logAxis && logAxis->orientation()==Qt::Vertical) {
|
|
|
QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal)));
|
|
|
handleVerticalAxisBaseChanged(logAxis->base());
|
|
|
}
|
|
|
|
|
|
if(logAxis && logAxis->orientation()==Qt::Horizontal) {
|
|
|
QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal)));
|
|
|
handleHorizontalAxisBaseChanged(logAxis->base());
|
|
|
}
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
bool LogXLogYDomain::detachAxis(QAbstractAxis* axis)
|
|
|
{
|
|
|
AbstractDomain::detachAxis(axis);
|
|
|
QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis);
|
|
|
|
|
|
if(logAxis && logAxis->orientation()==Qt::Vertical)
|
|
|
QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal)));
|
|
|
|
|
|
if(logAxis && logAxis->orientation()==Qt::Horizontal)
|
|
|
QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal)));
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
void LogXLogYDomain::handleVerticalAxisBaseChanged(qreal baseY)
|
|
|
{
|
|
|
m_logBaseY = baseY;
|
|
|
m_logMinY = log10(m_minY) / log10(m_logBaseY);
|
|
|
m_logMaxY = log10(m_maxY) / log10(m_logBaseY);
|
|
|
emit updated();
|
|
|
}
|
|
|
|
|
|
void LogXLogYDomain::handleHorizontalAxisBaseChanged(qreal baseX)
|
|
|
{
|
|
|
m_logBaseX = baseX;
|
|
|
m_logMinX = log10(m_minX) / log10(m_logBaseX);
|
|
|
m_logMaxX = log10(m_maxX) / log10(m_logBaseX);
|
|
|
emit updated();
|
|
|
}
|
|
|
|
|
|
// operators
|
|
|
|
|
|
bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const LogXLogYDomain &domain1, const LogXLogYDomain &domain2)
|
|
|
{
|
|
|
return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX) &&
|
|
|
qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY) &&
|
|
|
qFuzzyIsNull(domain1.m_minX - domain2.m_minX) &&
|
|
|
qFuzzyIsNull(domain1.m_minY - domain2.m_minY));
|
|
|
}
|
|
|
|
|
|
|
|
|
bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const LogXLogYDomain &domain1, const LogXLogYDomain &domain2)
|
|
|
{
|
|
|
return !(domain1 == domain2);
|
|
|
}
|
|
|
|
|
|
|
|
|
QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXLogYDomain &domain)
|
|
|
{
|
|
|
dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size;
|
|
|
return dbg.maybeSpace();
|
|
|
}
|
|
|
|
|
|
#include "moc_logxlogydomain_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
