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QCPColorMapIterator.cpp
58 lines | 1.4 KiB | text/x-c | CppLexer
/ gui / src / Visualization / QCPColorMapIterator.cpp
#include "Visualization/QCPColorMapIterator.h"
#include <Visualization/qcustomplot.h>
QCPColorMapIterator::QCPColorMapIterator(QCPColorMapData *data, bool begin)
: m_Data{data}, m_KeyIndex{begin ? 0 : data->keySize()}, m_ValueIndex{0}
{
updateValue();
}
QCPColorMapIterator &QCPColorMapIterator::operator++()
{
// Increments indexes
++m_ValueIndex;
if (m_ValueIndex == m_Data->valueSize()) {
++m_KeyIndex;
m_ValueIndex = 0;
}
// Updates value
updateValue();
return *this;
}
QCPColorMapIterator QCPColorMapIterator::operator++(int)
{
auto result = *this;
this->operator++();
return result;
}
QCPColorMapIterator::pointer QCPColorMapIterator::operator->() const
{
return &m_Value;
}
QCPColorMapIterator::reference QCPColorMapIterator::operator*() const
{
return m_Value;
}
bool QCPColorMapIterator::operator==(const QCPColorMapIterator &other)
{
return std::tie(m_Data, m_KeyIndex, m_ValueIndex)
== std::tie(other.m_Data, other.m_KeyIndex, other.m_ValueIndex);
}
bool QCPColorMapIterator::operator!=(const QCPColorMapIterator &other)
{
return !(*this == other);
}
void QCPColorMapIterator::updateValue()
{
m_Value = m_KeyIndex != m_Data->keySize() ? m_Data->cell(m_KeyIndex, m_ValueIndex)
: std::numeric_limits<double>::quiet_NaN();
}