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API extended

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This commit is contained in:
Uwe Rathmann 2024-11-22 17:37:47 +01:00
parent 5c1e0ccad4
commit f4c2211f2c
1 changed files with 22 additions and 0 deletions
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22
src/common/QskIntervalF.h
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@ -36,6 +36,8 @@ class QSK_EXPORT QskIntervalF
constexpr qreal upperBound() const noexcept;
void setUpperBound( qreal ) noexcept;
constexpr qreal center() const noexcept;
void spanFromLowerBound( qreal ) noexcept;
void spanFromUpperBound( qreal ) noexcept;
@ -66,6 +68,9 @@ class QSK_EXPORT QskIntervalF
void extend( qreal value ) noexcept;
QskIntervalF extended( qreal value ) const noexcept;
void stretch( qreal length ) noexcept;
constexpr QskIntervalF stretched( qreal length ) const noexcept;
QskIntervalF operator|( const QskIntervalF& ) const noexcept;
QskIntervalF operator&( const QskIntervalF& ) const noexcept;
@ -135,6 +140,11 @@ inline constexpr qreal QskIntervalF::upperBound() const noexcept
return m_upperBound;
}
inline constexpr qreal QskIntervalF::center() const noexcept
{
return m_lowerBound + 0.5 * ( m_upperBound - m_lowerBound );
}
inline constexpr qreal QskIntervalF::length() const noexcept
{
return ( m_upperBound > m_lowerBound ) ? ( m_upperBound - m_lowerBound ) : 0.0;
@ -198,6 +208,18 @@ inline constexpr QskIntervalF QskIntervalF::normalized( qreal value1, qreal valu
return ( value1 < value2 ) ? QskIntervalF( value1, value2 ) : QskIntervalF( value2, value1 );
}
inline void QskIntervalF::stretch( qreal length ) noexcept
{
m_lowerBound = center() - 0.5 * length;
m_upperBound = m_lowerBound + length;
}
inline constexpr QskIntervalF QskIntervalF::stretched( qreal length ) const noexcept
{
const auto lowerBound = center() - 0.5 * length;
return QskIntervalF( lowerBound, lowerBound + length );
}
inline QskIntervalF QskIntervalF::operator&( const QskIntervalF& other ) const noexcept
{
return intersected( other );