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QMarginsF: document that isNull/operator==/operator!= are fuzzy

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Change-Id: Id1865f6d608e5cdbb6d24351aea5f6801a519684
Pick-to: 5.15
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
This commit is contained in:
Giuseppe D'Angelo 2020-11-02 14:17:04 +01:00
parent 1926e09b32
commit 4703e07a7c
1 changed files with 18 additions and 4 deletions
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22
src/corelib/tools/qmargins.cpp
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@ -470,7 +470,7 @@ QDebug operator<<(QDebug dbg, const QMargins &m)
QMarginsF defines a set of four margins; left, top, right and bottom,
that describe the size of the borders surrounding a rectangle.
The isNull() function returns \c true only if all margins are set to zero.
The isNull() function returns \c true only if all margins are very close to zero.
QMarginsF objects can be streamed as well as compared.
*/
@ -505,8 +505,10 @@ QDebug operator<<(QDebug dbg, const QMargins &m)
/*!
\fn bool QMarginsF::isNull() const
Returns \c true if all margins are 0; otherwise returns
Returns \c true if all margins are very close to 0; otherwise returns
false.
\sa qFuzzyIsNull
*/
@ -566,13 +568,25 @@ QDebug operator<<(QDebug dbg, const QMargins &m)
/*!
\fn bool QMarginsF::operator==(const QMarginsF &lhs, const QMarginsF &rhs)
Returns \c true if \a lhs and \a rhs are equal; otherwise returns \c false.
Returns \c true if \a lhs and \a rhs are approximately equal; otherwise
returns false.
\warning This function does not check for strict equality; instead,
it uses a fuzzy comparison to compare the margins.
\sa qFuzzyCompare
*/
/*!
\fn bool QMarginsF::operator!=(const QMarginsF &lhs, const QMarginsF &rhs)
Returns \c true if \a lhs and \a rhs are different; otherwise returns \c false.
Returns \c true if \a lhs and \a rhs are sufficiently different; otherwise
returns \c false.
\warning This function does not check for strict inequality; instead,
it uses a fuzzy comparison to compare the margins.
\sa qFuzzyCompare
*/
/*!