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Diffstat (limited to 'src/domain/xlogypolardomain.cpp')
| -rw-r--r-- | src/domain/xlogypolardomain.cpp | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/domain/xlogypolardomain.cpp b/src/domain/xlogypolardomain.cpp deleted file mode 100644 index 3ef0bea1..00000000 --- a/src/domain/xlogypolardomain.cpp +++ /dev/null @@ -1,237 +0,0 @@ -/**************************************************************************** -** -** 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 "xlogypolardomain_p.h" -#include "qabstractaxis_p.h" -#include "qlogvalueaxis.h" -#include <qmath.h> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -XLogYPolarDomain::XLogYPolarDomain(QObject *parent) - : PolarDomain(parent), - m_logInnerY(0), - m_logOuterY(1), - m_logBaseY(10) -{ -} - -XLogYPolarDomain::~XLogYPolarDomain() -{ -} - -void XLogYPolarDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) -{ - bool axisXChanged = false; - bool axisYChanged = false; - - adjustLogDomainRanges(minY, maxY); - - if (!qFuzzyIsNull(m_minX - minX) || !qFuzzyIsNull(m_maxX - maxX)) { - m_minX = minX; - m_maxX = maxX; - axisXChanged = true; - 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; - qreal logMinY = log10(m_minY) / log10(m_logBaseY); - qreal logMaxY = log10(m_maxY) / log10(m_logBaseY); - m_logInnerY = logMinY < logMaxY ? logMinY : logMaxY; - m_logOuterY = logMinY > logMaxY ? logMinY : logMaxY; - if (!m_signalsBlocked) - emit rangeVerticalChanged(m_minY, m_maxY); - } - - if (axisXChanged || axisYChanged) - emit updated(); -} - -void XLogYPolarDomain::zoomIn(const QRectF &rect) -{ - storeZoomReset(); - qreal dx = spanX() / m_size.width(); - qreal maxX = m_maxX; - qreal minX = m_minX; - - maxX = minX + dx * rect.right(); - minX = minX + dx * rect.left(); - - qreal logLeftY = m_logOuterY - rect.bottom() * (m_logOuterY - m_logInnerY) / m_size.height(); - qreal logRightY = m_logOuterY - rect.top() * (m_logOuterY - m_logInnerY) / m_size.height(); - qreal leftY = qPow(m_logBaseY, logLeftY); - qreal rightY = qPow(m_logBaseY, logRightY); - qreal minY = leftY < rightY ? leftY : rightY; - qreal maxY = leftY > rightY ? leftY : rightY; - - setRange(minX, maxX, minY, maxY); -} - -void XLogYPolarDomain::zoomOut(const QRectF &rect) -{ - storeZoomReset(); - qreal dx = spanX() / rect.width(); - qreal maxX = m_maxX; - qreal minX = m_minX; - - minX = maxX - dx * rect.right(); - maxX = minX + dx * m_size.width(); - - const qreal factorY = m_size.height() / rect.height(); - qreal newLogMinY = m_logInnerY + (m_logOuterY - m_logInnerY) / 2.0 * (1.0 - factorY); - qreal newLogMaxY = m_logInnerY + (m_logOuterY - m_logInnerY) / 2.0 * (1.0 + factorY); - qreal leftY = qPow(m_logBaseY, newLogMinY); - qreal rightY = qPow(m_logBaseY, newLogMaxY); - qreal minY = leftY < rightY ? leftY : rightY; - qreal maxY = leftY > rightY ? leftY : rightY; - - setRange(minX, maxX, minY, maxY); -} - -void XLogYPolarDomain::move(qreal dx, qreal dy) -{ - qreal x = spanX() / 360.0; - - qreal maxX = m_maxX; - qreal minX = m_minX; - - if (dx != 0) { - minX = minX + x * dx; - maxX = maxX + x * dx; - } - - qreal stepY = dy * (m_logOuterY - m_logInnerY) / m_radius; - qreal leftY = qPow(m_logBaseY, m_logInnerY + stepY); - qreal rightY = qPow(m_logBaseY, m_logOuterY + stepY); - qreal minY = leftY < rightY ? leftY : rightY; - qreal maxY = leftY > rightY ? leftY : rightY; - - setRange(minX, maxX, minY, maxY); -} - -qreal XLogYPolarDomain::toAngularCoordinate(qreal value, bool &ok) const -{ - ok = true; - qreal f = (value - m_minX) / (m_maxX - m_minX); - return f * 360.0; -} - -qreal XLogYPolarDomain::toRadialCoordinate(qreal value, bool &ok) const -{ - qreal retVal; - if (value <= 0) { - ok = false; - retVal = 0.0; - } else { - ok = true; - const qreal tickSpan = m_radius / qAbs(m_logOuterY - m_logInnerY); - const qreal logValue = log10(value) / log10(m_logBaseY); - const qreal valueDelta = logValue - m_logInnerY; - - retVal = valueDelta * tickSpan; - - if (retVal < 0.0) - retVal = 0.0; - } - return retVal; -} - -QPointF XLogYPolarDomain::calculateDomainPoint(const QPointF &point) const -{ - if (point == m_center) - return QPointF(0.0, m_minY); - - 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; - - const qreal deltaY = m_radius / qAbs(m_logOuterY - m_logInnerY); - qreal r = qPow(m_logBaseY, m_logInnerY + (line.length() / deltaY)); - - return QPointF(a, r); -} - -bool XLogYPolarDomain::attachAxis(QAbstractAxis *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()); - } - return AbstractDomain::attachAxis(axis); -} - -bool XLogYPolarDomain::detachAxis(QAbstractAxis *axis) -{ - QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); - - if (logAxis && logAxis->orientation() == Qt::Vertical) - QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); - - return AbstractDomain::detachAxis(axis); -} - -void XLogYPolarDomain::handleVerticalAxisBaseChanged(qreal baseY) -{ - m_logBaseY = baseY; - qreal logMinY = log10(m_minY) / log10(m_logBaseY); - qreal logMaxY = log10(m_maxY) / log10(m_logBaseY); - m_logInnerY = logMinY < logMaxY ? logMinY : logMaxY; - m_logOuterY = logMinY > logMaxY ? logMinY : logMaxY; - emit updated(); -} - -// operators - -bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const XLogYPolarDomain &domain1, const XLogYPolarDomain &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 XLogYPolarDomain &domain1, const XLogYPolarDomain &domain2) -{ - return !(domain1 == domain2); -} - - -QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const XLogYPolarDomain &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_xlogypolardomain_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |