The QMarginsF class defines the four margins of a rectangle. More...
| Header: | #include <QMarginsF> |
| CMake: | find_package(Qt6 REQUIRED COMPONENTS Core) target_link_libraries(mytarget PRIVATE Qt6::Core) |
| qmake: | QT += core |
| Since: | Qt 5.3 |
| QMarginsF(const QMargins &margins) | |
| QMarginsF(qreal left, qreal top, qreal right, qreal bottom) | |
| QMarginsF() | |
| qreal | bottom() const |
| bool | isNull() const |
| qreal | left() const |
| qreal | right() const |
| void | setBottom(qreal abottom) |
| void | setLeft(qreal aleft) |
| void | setRight(qreal aright) |
| void | setTop(qreal atop) |
| QMargins | toMargins() const |
| qreal | top() const |
| QMarginsF & | operator*=(qreal factor) |
| QMarginsF & | operator+=(const QMarginsF &margins) |
| QMarginsF & | operator+=(qreal addend) |
| QMarginsF & | operator-=(const QMarginsF &margins) |
| QMarginsF & | operator-=(qreal subtrahend) |
| QMarginsF & | operator/=(qreal divisor) |
| bool | operator!=(const QMarginsF &lhs, const QMarginsF &rhs) |
| QMarginsF | operator*(const QMarginsF &lhs, qreal rhs) |
| QMarginsF | operator*(qreal lhs, const QMarginsF &rhs) |
| QMarginsF | operator+(const QMarginsF &lhs, const QMarginsF &rhs) |
| QMarginsF | operator+(const QMarginsF &lhs, qreal rhs) |
| QMarginsF | operator+(qreal lhs, const QMarginsF &rhs) |
| QMarginsF | operator+(const QMarginsF &margins) |
| QMarginsF | operator-(const QMarginsF &lhs, const QMarginsF &rhs) |
| QMarginsF | operator-(const QMarginsF &lhs, qreal rhs) |
| QMarginsF | operator-(const QMarginsF &margins) |
| QMarginsF | operator/(const QMarginsF &lhs, qreal rhs) |
| QDataStream & | operator<<(QDataStream &stream, const QMarginsF &m) |
| bool | operator==(const QMarginsF &lhs, const QMarginsF &rhs) |
| QDataStream & | operator>>(QDataStream &stream, QMarginsF &m) |
| QMarginsF | operator|(const QMarginsF &m1, const QMarginsF &m2) |
QMarginsF defines a set of four margins; left, top, right, and bottom, that describe the finite size of the borders surrounding a rectangle.
The isNull() function returns true only if all margins are very close to zero.
QMarginsF objects can be streamed as well as compared.
Constructs margins copied from the given margins.
See also QMargins::toMarginsF().
Constructs margins with the given left, top, right, and bottom. All parameters must be finite.
See also setLeft(), setRight(), setTop(), and setBottom().
Constructs a margins object with all margins set to 0.
See also isNull().
Returns the bottom margin.
See also setBottom().
Returns true if all margins are very close to 0; otherwise returns false.
See also qFuzzyIsNull.
Returns the left margin.
See also setLeft().
Returns the right margin.
See also setRight().
Sets the bottom margin to abottom (which must be finite).
See also bottom().
Sets the left margin to aleft (which must be finite).
See also left().
Sets the right margin to aright (which must be finite).
See also right().
Sets the top margin to atop (which must be finite).
See also top().
Returns an integer-based copy of this margins object.
Note that the components in the returned margins will be rounded to the nearest integer.
See also QMarginsF() and QMargins::toMarginsF().
Returns the top margin.
See also setTop().
Multiplies each component of this object by the given finite factor and returns a reference to this object.
See also operator/=().
Add each component of margins to the respective component of this object and returns a reference to it.
See also operator-=().
This is an overloaded function.
Adds the given finite addend to each component of this object and returns a reference to it.
See also operator-=().
Subtract each component of margins from the respective component of this object and returns a reference to it.
See also operator+=().
This is an overloaded function.
Subtracts the given finite subtrahend from each component of this object and returns a reference to it.
See also operator+=().
Divides each component of this object by divisor and returns a reference to this object.
The divisor must not be either zero or NaN.
See also operator*=().
Returns true if lhs and rhs are sufficiently different; otherwise returns false.
Warning: This function does not check for strict inequality; instead, it uses a fuzzy comparison to compare the margins.
See also qFuzzyCompare.
This is an overloaded function.
Returns a QMarginsF object that is formed by multiplying each component of the given lhs margins by finite factor rhs.
See also QMarginsF::operator*=() and QMarginsF::operator/=().
This is an overloaded function.
Returns a QMarginsF object that is formed by multiplying each component of the given lhs margins by finite factor rhs.
See also QMarginsF::operator*=() and QMarginsF::operator/=().
Returns a QMarginsF object that is the sum of the given margins, lhs and rhs; each component is added separately.
See also QMarginsF::operator+=() and QMarginsF::operator-=().
Returns a QMarginsF object that is formed by adding rhs (which must be finite) to each component of lhs.
See also QMarginsF::operator+=() and QMarginsF::operator-=().
Returns a QMarginsF object that is formed by adding lhs (which must be finite) to each component of rhs.
See also QMarginsF::operator+=() and QMarginsF::operator-=().
Returns a QMargin object that is formed from all components of margins.
Returns a QMarginsF object that is formed by subtracting rhs from lhs; each component is subtracted separately.
See also QMarginsF::operator+=() and QMarginsF::operator-=().
Returns a QMarginsF object that is formed by subtracting rhs (which must be finite) from each component of lhs.
See also QMarginsF::operator+=() and QMarginsF::operator-=().
Returns a QMargin object that is formed by negating all components of margins.
This is an overloaded function.
Returns a QMarginsF object that is formed by dividing the components of the given lhs margins by the given rhs divisor.
The divisor must not be either zero or NaN.
See also QMarginsF::operator*=() and QMarginsF::operator/=().
Writes margin m to the given stream and returns a reference to the stream.
See also Serializing Qt Data Types.
Returns true if lhs and 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.
See also qFuzzyCompare.
Reads a margin from the given stream into margin m and returns a reference to the stream.
See also Serializing Qt Data Types.
[since 6.0] QMarginsF operator|(const QMarginsF &m1, const QMarginsF &m2)This is an overloaded function.
Returns a QMarginsF object that is formed from the maximum of each component of m2 and m1.
This function was introduced in Qt 6.0.
See also QMarginsF::operator+=() and QMarginsF::operator-=().
