domain.cpp
185 lines
| 3.9 KiB
| text/x-c
|
CppLexer
/ src / domain.cpp
Michal Klocek
|
r131 | #include "domain_p.h" | ||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
|
Michal Klocek
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r439 | Domain::Domain(QObject* parent):QObject(parent), | ||
| m_minX(0), | ||||
| m_maxX(0), | ||||
| m_minY(0), | ||||
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r531 | m_maxY(0), | ||
| m_tickXCount(5), | ||||
| m_tickYCount(5) | ||||
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r131 | { | ||
| } | ||||
| Domain::~Domain() | ||||
| { | ||||
| } | ||||
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r439 | void Domain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) | ||
| { | ||||
| bool changed = false; | ||||
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r554 | if(m_minX!=minX || m_maxX!=maxX) | ||
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r439 | { | ||
| m_minX=minX; | ||||
| m_maxX=maxX; | ||||
| changed=true; | ||||
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r531 | emit rangeXChanged(minX,maxX, m_tickXCount); | ||
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r439 | } | ||
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r554 | if(m_minY!=minY || m_maxY!=maxY){ | ||
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r439 | m_minY=minY; | ||
| m_maxY=maxY; | ||||
| changed=true; | ||||
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r531 | emit rangeYChanged(minY,maxY, m_tickYCount); | ||
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r439 | } | ||
| if(changed){ | ||||
| emit domainChanged(m_minX, m_maxX, m_minY, m_maxY); | ||||
| } | ||||
| } | ||||
| void Domain::setRangeX(qreal min, qreal max) | ||||
| { | ||||
| setRange(min,max,m_minY, m_maxY); | ||||
| } | ||||
| void Domain::setRangeY(qreal min, qreal max) | ||||
| { | ||||
| setRange(m_minX, m_maxX, min, max); | ||||
| } | ||||
| void Domain::setMinX(qreal min) | ||||
| { | ||||
| setRange(min, m_maxX, m_minY, m_maxY); | ||||
| } | ||||
| void Domain::setMaxX(qreal max) | ||||
| { | ||||
| setRange(m_minX, max, m_minY, m_maxY); | ||||
| } | ||||
| void Domain::setMinY(qreal min) | ||||
| { | ||||
| setRange(m_minX, m_maxX, min, m_maxY); | ||||
| } | ||||
| void Domain::setMaxY(qreal max) | ||||
| { | ||||
| setRange(m_minX, m_maxX, m_minY, max); | ||||
| } | ||||
|
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r131 | qreal Domain::spanX() const | ||
| { | ||||
|
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r439 | Q_ASSERT(m_maxX >= m_minX); | ||
| return m_maxX - m_minX; | ||||
|
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r131 | } | ||
| qreal Domain::spanY() const | ||||
| { | ||||
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r439 | Q_ASSERT(m_maxY >= m_minY); | ||
| return m_maxY - m_minY; | ||||
|
Michal Klocek
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r131 | } | ||
|
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r388 | bool Domain::isEmpty() const | ||
| { | ||||
| return spanX()==0 || spanY()==0; | ||||
| } | ||||
|
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r439 | void Domain::zoomIn(const QRectF& rect, const QSizeF& size) | ||
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r131 | { | ||
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r439 | qreal dx = spanX() / size.width(); | ||
| qreal dy = spanY() / size.height(); | ||||
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r131 | |||
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r439 | m_maxX = m_minX + dx * rect.right(); | ||
| m_minX = m_minX + dx * rect.left(); | ||||
| m_minY = m_maxY - dy * rect.bottom(); | ||||
| m_maxY = m_maxY - dy * rect.top(); | ||||
| emit domainChanged(m_minX, m_maxX, m_minY, m_maxY); | ||||
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Michal Klocek
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r531 | emit rangeXChanged(m_minX, m_maxX, m_tickXCount); | ||
| emit rangeYChanged(m_minY, m_maxY, m_tickYCount); | ||||
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r439 | } | ||
| void Domain::zoomOut(const QRectF& rect, const QSizeF& size) | ||||
| { | ||||
| qreal dx = spanX() / rect.width(); | ||||
| qreal dy = spanY() / rect.height(); | ||||
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r131 | |||
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r439 | m_minX = m_maxX - dx * rect.right(); | ||
| m_maxX = m_minX + dx * size.width(); | ||||
| m_maxY = m_minY + dy * rect.bottom(); | ||||
| m_minY = m_maxY - dy * size.height(); | ||||
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r131 | |||
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r439 | emit domainChanged(m_minX, m_maxX, m_minY, m_maxY); | ||
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r531 | emit rangeXChanged(m_minX, m_maxX, m_tickXCount); | ||
| emit rangeYChanged(m_minY, m_maxY, m_tickYCount); | ||||
| } | ||||
| void Domain::move(int dx,int dy,const QSizeF& size) | ||||
| { | ||||
| qreal x = spanX() / size.width(); | ||||
| qreal y = spanY() / size.height(); | ||||
| if(dx!=0){ | ||||
| m_minX = m_minX + x * dx; | ||||
| m_maxX = m_maxX + x * dx; | ||||
| emit rangeXChanged(m_minX, m_maxX, m_tickXCount); | ||||
| } | ||||
| if(dy!=0){ | ||||
| m_minY = m_minY + y * dy; | ||||
| m_maxY = m_maxY + y * dy; | ||||
| emit rangeYChanged(m_minY, m_maxY, m_tickYCount); | ||||
| } | ||||
| emit domainChanged(m_minX, m_maxX, m_minY, m_maxY); | ||||
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r439 | } | ||
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r554 | void Domain::handleAxisRangeXChanged(qreal min,qreal max) | ||
| { | ||||
| setRange(min,max,m_minY, m_maxY); | ||||
| } | ||||
| void Domain::handleAxisRangeYChanged(qreal min,qreal max) | ||||
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r439 | { | ||
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r554 | setRange(m_minX, m_maxX, min, max); | ||
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Michal Klocek
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r439 | } | ||
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r554 | void Domain::handleAxisXTicksCountChanged(int tickCount) | ||
|
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r439 | { | ||
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r554 | if(m_tickXCount!=tickCount){ | ||
| m_tickXCount=tickCount; | ||||
| emit rangeXChanged(m_minX,m_maxX, m_tickXCount); | ||||
| } | ||||
| } | ||||
| void Domain::handleAxisYTicksCountChanged(int tickCount) | ||||
| { | ||||
| if(m_tickYCount!=tickCount){ | ||||
| m_tickYCount=tickCount; | ||||
| emit rangeYChanged(m_minY,m_maxY, m_tickYCount); | ||||
| } | ||||
|
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r131 | } | ||
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r220 | |||
| bool operator== (const Domain &domain1, const Domain &domain2) | ||||
| { | ||||
| return (domain1.m_maxX == domain2.m_maxX && | ||||
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Michal Klocek
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r439 | domain1.m_maxY == domain2.m_maxY && | ||
| domain1.m_minX == domain2.m_minX && | ||||
| domain1.m_minY == domain2.m_minY); | ||||
|
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r220 | } | ||
| bool operator!= (const Domain &domain1, const Domain &domain2) | ||||
| { | ||||
| return !(domain1 == domain2); | ||||
| } | ||||
|
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r222 | QDebug operator<<(QDebug dbg, const Domain &domain) | ||
| { | ||||
| dbg.nospace() << "Domain("<<domain.m_minX<<','<<domain.m_maxX<<','<<domain.m_minY<<','<<domain.m_maxY<<')'; | ||||
| return dbg.maybeSpace(); | ||||
| } | ||||
|
Michal Klocek
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r439 | #include "moc_domain_p.cpp" | ||
|
Michal Klocek
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r131 | QTCOMMERCIALCHART_END_NAMESPACE | ||