##// END OF EJS Templates
adds Andy's customer request, first call to createDaultAxis scales whole domain (if on common axis)
adds Andy's customer request, first call to createDaultAxis scales whole domain (if on common axis)

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abstractdomain.cpp
223 lines | 6.1 KiB | text/x-c | CppLexer
/ src / domain / abstractdomain.cpp
Jani Honkonen
Add license headers
r794 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
Domains added
r2275 #include "abstractdomain_p.h"
Michal Klocek
Refactors Domain and Axis...
r1698 #include "qabstractaxis_p.h"
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Refactors internals...
r2273 #include <qmath.h>
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Refactors qchart , adds line animation...
r131
QTCOMMERCIALCHART_BEGIN_NAMESPACE
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Domains added
r2275 AbstractDomain::AbstractDomain(QObject *parent)
Jani Honkonen
astyle and manual coding style fixes for src-folder
r2097 : QObject(parent),
m_minX(0),
m_maxX(0),
m_minY(0),
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Refactors internals...
r2273 m_maxY(0),
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Bugfix resize event during zoomin
r2289 m_signalsBlocked(false)
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Refactors qchart , adds line animation...
r131 {
}
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Domains added
r2275 AbstractDomain::~AbstractDomain()
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Refactors qchart , adds line animation...
r131 {
}
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Domains added
r2275 void AbstractDomain::setSize(const QSizeF& size)
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Refactors internals...
r2273 {
if(m_size!=size)
{
m_size=size;
emit updated();
}
}
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Domains added
r2275 QSizeF AbstractDomain::size() const
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Refactors internals...
r2273 {
return m_size;
}
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Domains added
r2275 void AbstractDomain::setRangeX(qreal min, qreal max)
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Refactor domain model...
r439 {
Jani Honkonen
astyle and manual coding style fixes for src-folder
r2097 setRange(min, max, m_minY, m_maxY);
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Refactor domain model...
r439 }
Michal Klocek
Refactors barchart axis hadnling...
r679
Marek Rosa
Domains added
r2275 void AbstractDomain::setRangeY(qreal min, qreal max)
Michal Klocek
Refactor domain model...
r439 {
Michal Klocek
Adds loosenumber algorithm...
r678 setRange(m_minX, m_maxX, min, max);
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Refactor domain model...
r439 }
Marek Rosa
Domains added
r2275 void AbstractDomain::setMinX(qreal min)
Michal Klocek
Refactor domain model...
r439 {
Michal Klocek
Adds loosenumber algorithm...
r678 setRange(min, m_maxX, m_minY, m_maxY);
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Refactor domain model...
r439 }
Marek Rosa
Domains added
r2275 void AbstractDomain::setMaxX(qreal max)
Michal Klocek
Refactor domain model...
r439 {
Michal Klocek
Adds loosenumber algorithm...
r678 setRange(m_minX, max, m_minY, m_maxY);
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Refactor domain model...
r439 }
Marek Rosa
Domains added
r2275 void AbstractDomain::setMinY(qreal min)
Michal Klocek
Refactor domain model...
r439 {
Michal Klocek
Adds loosenumber algorithm...
r678 setRange(m_minX, m_maxX, min, m_maxY);
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Refactor domain model...
r439 }
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Domains added
r2275 void AbstractDomain::setMaxY(qreal max)
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Refactor domain model...
r439 {
setRange(m_minX, m_maxX, m_minY, max);
}
Marek Rosa
Domains added
r2275 qreal AbstractDomain::spanX() const
Michal Klocek
Refactors qchart , adds line animation...
r131 {
Michal Klocek
Refactor domain model...
r439 Q_ASSERT(m_maxX >= m_minX);
return m_maxX - m_minX;
Michal Klocek
Refactors qchart , adds line animation...
r131 }
Marek Rosa
Domains added
r2275 qreal AbstractDomain::spanY() const
Michal Klocek
Refactors qchart , adds line animation...
r131 {
Michal Klocek
Refactor domain model...
r439 Q_ASSERT(m_maxY >= m_minY);
return m_maxY - m_minY;
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Refactors qchart , adds line animation...
r131 }
Marek Rosa
Domains added
r2275 bool AbstractDomain::isEmpty() const
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Adds isEmpty to domain
r388 {
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Domains added
r2275 return qFuzzyIsNull(spanX()) || qFuzzyIsNull(spanY()) || m_size.isEmpty() ;
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Adds isEmpty to domain
r388 }
Marek Rosa
Domains added
r2275 QPointF AbstractDomain::calculateDomainPoint(const QPointF &point) const
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Refactors internals...
r2273 {
const qreal deltaX = m_size.width() / (m_maxX - m_minX);
const qreal deltaY = m_size.height() / (m_maxY - m_minY);
qreal x = point.x() / deltaX + m_minX;
qreal y = (point.y() - m_size.height()) / (-deltaY) + m_minY;
return QPointF(x, y);
}
// handlers
Marek Rosa
Domains added
r2275 void AbstractDomain::handleVerticalAxisRangeChanged(qreal min, qreal max)
Michal Klocek
Refactors internals...
r2273 {
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Bugfix resize event during zoomin
r2289 setRangeY(min, max);
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Refactors internals...
r2273 }
Marek Rosa
Domains added
r2275 void AbstractDomain::handleHorizontalAxisRangeChanged(qreal min, qreal max)
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Refactors internals...
r2273 {
Michal Klocek
Bugfix resize event during zoomin
r2289 setRangeX(min, max);
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Refactors internals...
r2273 }
Michal Klocek
Bugfix resize event during zoomin
r2289 void AbstractDomain::blockRangeSignals(bool block)
Michal Klocek
Refactors internals...
r2273 {
Michal Klocek
Bugfix resize event during zoomin
r2289 if(m_signalsBlocked!=block){
m_signalsBlocked=block;
if(!block) {
emit rangeHorizontalChanged(m_minX,m_maxX);
emit rangeVerticalChanged(m_minY,m_maxY);
}
}
Michal Klocek
Refactors internals...
r2273 }
//algorithm defined by Paul S.Heckbert GraphicalGems I
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Domains added
r2275 void AbstractDomain::looseNiceNumbers(qreal &min, qreal &max, int &ticksCount)
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Refactors internals...
r2273 {
qreal range = niceNumber(max - min, true); //range with ceiling
qreal step = niceNumber(range / (ticksCount - 1), false);
min = qFloor(min / step);
max = qCeil(max / step);
ticksCount = int(max - min) + 1;
min *= step;
max *= step;
}
//nice numbers can be expressed as form of 1*10^n, 2* 10^n or 5*10^n
Marek Rosa
Domains added
r2275 qreal AbstractDomain::niceNumber(qreal x, bool ceiling)
Michal Klocek
Refactors internals...
r2273 {
qreal z = qPow(10, qFloor(log10(x))); //find corresponding number of the form of 10^n than is smaller than x
qreal q = x / z; //q<10 && q>=1;
if (ceiling) {
if (q <= 1.0) q = 1;
else if (q <= 2.0) q = 2;
else if (q <= 5.0) q = 5;
else q = 10;
} else {
if (q < 1.5) q = 1;
else if (q < 3.0) q = 2;
else if (q < 7.0) q = 5;
else q = 10;
}
return q * z;
}
Michal Klocek
Adds domains swap logic
r2284 bool AbstractDomain::attachAxis(QAbstractAxis* axis)
{
if(axis->orientation()==Qt::Vertical) {
QObject::connect(axis->d_ptr.data(), SIGNAL(rangeChanged(qreal,qreal)), this, SLOT(handleVerticalAxisRangeChanged(qreal,qreal)));
QObject::connect(this, SIGNAL(rangeVerticalChanged(qreal,qreal)), axis->d_ptr.data(), SLOT(handleRangeChanged(qreal,qreal)));
}
if(axis->orientation()==Qt::Horizontal) {
QObject::connect(axis->d_ptr.data(), SIGNAL(rangeChanged(qreal,qreal)), this, SLOT(handleHorizontalAxisRangeChanged(qreal,qreal)));
QObject::connect(this, SIGNAL(rangeHorizontalChanged(qreal,qreal)), axis->d_ptr.data(), SLOT(handleRangeChanged(qreal,qreal)));
}
return true;
}
bool AbstractDomain::detachAxis(QAbstractAxis* axis)
{
if(axis->orientation()==Qt::Vertical) {
QObject::disconnect(axis->d_ptr.data(), SIGNAL(rangeChanged(qreal,qreal)), this, SLOT(handleVerticalAxisRangeChanged(qreal,qreal)));
QObject::disconnect(this, SIGNAL(rangeVerticalChanged(qreal,qreal)), axis->d_ptr.data(), SLOT(handleRangeChanged(qreal,qreal)));
}
if(axis->orientation()==Qt::Horizontal) {
QObject::disconnect(axis->d_ptr.data(), SIGNAL(rangeChanged(qreal,qreal)), this, SLOT(handleHorizontalAxisRangeChanged(qreal,qreal)));
QObject::disconnect(this, SIGNAL(rangeHorizontalChanged(qreal,qreal)), axis->d_ptr.data(), SLOT(handleRangeChanged(qreal,qreal)));
}
return true;
}
Michal Klocek
Refactors internals...
r2273
// operators
Marek Rosa
Domains added
r2275 bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const AbstractDomain &domain1, const AbstractDomain &domain2)
Michal Klocek
Add overloaded comparison operators to domain
r220 {
Marek Rosa
Domains added
r2275 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));
Michal Klocek
Add overloaded comparison operators to domain
r220 }
Michal Klocek
Another attempt to fix issue with visual sutudio hidden export attributes in domain
r1066
Marek Rosa
Domains added
r2275 bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const AbstractDomain &domain1, const AbstractDomain &domain2)
Michal Klocek
Add overloaded comparison operators to domain
r220 {
return !(domain1 == domain2);
}
Michal Klocek
Another attempt to fix issue with visual sutudio hidden export attributes in domain
r1066
Marek Rosa
Domains added
r2275 QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const AbstractDomain &domain)
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Adds debug operator to domain
r222 {
Marek Rosa
Domains added
r2275 dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size;
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Adds debug operator to domain
r222 return dbg.maybeSpace();
}
Marek Rosa
Domains added
r2275 #include "moc_abstractdomain_p.cpp"
Michal Klocek
Refactor domain model...
r439
Michal Klocek
Refactors qchart , adds line animation...
r131 QTCOMMERCIALCHART_END_NAMESPACE