Union::Properties::LinePropertyGroup Class

Member Function Documentation

LinePropertyGroup::LinePropertyGroup()

Default constructor. Constructs a null instance.

A null instance in this case means an instance that does not have any values for its properties. This includes property groups.

LinePropertyGroup::LinePropertyGroup(const Union::Properties::LinePropertyGroup &other)

Copy constructor.

LinePropertyGroup::LinePropertyGroup(Union::Properties::LinePropertyGroup &&other)

Move constructor.

std::optional<Union::Color> LinePropertyGroup::color() const

The color of the line.

See also setColor().

[static] std::unique_ptr<Union::Properties::LinePropertyGroup> LinePropertyGroup::empty()

Create and return an empty LinePropertyGroup instance.

This will create an empty LinePropertyGroup instance, which is defined as an instance with all of its values default-constructed. Note that this is different from a default-constructed instance which will have all its values unset.

bool LinePropertyGroup::hasAnyValue() const

Returns if this property group has any value set.

Note that for any property that is also a property group, this will also check if that group has any value.

bool LinePropertyGroup::isEmpty() const

Returns if this property is considered empty.

A property is considered empty if it has no values or if the values it contains are all considered empty values.

[static] void LinePropertyGroup::resolveProperties(const Union::Properties::LinePropertyGroup *source, Union::Properties::LinePropertyGroup *destination)

Copy property values from source to destination if destination does not have a property value.

This will recursively copy property values of grouped properties.

source The source property group to copy from. destination The destination property group to copy to.

void LinePropertyGroup::setColor(const std::optional<Union::Color> &newValue)

Set the value of color.

newValue The new value or std::nullopt to unset the value.

See also color().

void LinePropertyGroup::setSize(const std::optional<qreal> &newValue)

Set the value of size.

newValue The new value or std::nullopt to unset the value.

See also size().

void LinePropertyGroup::setStyle(const std::optional<Union::Properties::LineStyle> &newValue)

Set the value of style.

newValue The new value or std::nullopt to unset the value.

See also style().

std::optional<qreal> LinePropertyGroup::size() const

The thickness of the line.

See also setSize().

std::optional<Union::Properties::LineStyle> LinePropertyGroup::style() const

The style of the line.

See also setStyle().

QString LinePropertyGroup::toString(int indentation = 0, Union::Properties::ToStringFlags flags = ToStringFlags{}) const

Returns a string representation of this property group.

This is intended for debugging.

indentation The amount of indentation to apply. Defaults to 0. flags A set of flags that control conversion behavior.

Union::Properties::LinePropertyGroup &LinePropertyGroup::operator=(Union::Properties::LinePropertyGroup &&other)

Move assignment operator.

Union::Properties::LinePropertyGroup &LinePropertyGroup::operator=(const Union::Properties::LinePropertyGroup &other)

Copy assignment operator.