QGIS API Documentation 3.39.0-Master (9ea1ddbe645)
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Container for settings relating to a text buffer. More...
#include <qgstextbuffersettings.h>
Public Member Functions | |
QgsTextBufferSettings () | |
QgsTextBufferSettings (const QgsTextBufferSettings &other) | |
~QgsTextBufferSettings () | |
QPainter::CompositionMode | blendMode () const |
Returns the blending mode used for drawing the buffer. | |
QColor | color () const |
Returns the color of the buffer. | |
bool | enabled () const |
Returns whether the buffer is enabled. | |
bool | fillBufferInterior () const |
Returns whether the interior of the buffer will be filled in. | |
Qt::PenJoinStyle | joinStyle () const |
Returns the buffer join style. | |
double | opacity () const |
Returns the buffer opacity. | |
bool | operator!= (const QgsTextBufferSettings &other) const |
QgsTextBufferSettings & | operator= (const QgsTextBufferSettings &other) |
bool | operator== (const QgsTextBufferSettings &other) const |
const QgsPaintEffect * | paintEffect () const |
Returns the current paint effect for the buffer. | |
void | readFromLayer (QgsVectorLayer *layer) |
Reads settings from a layer's custom properties (for QGIS 2.x projects). | |
void | readXml (const QDomElement &elem) |
Read settings from a DOM element. | |
QSet< QString > | referencedFields (const QgsRenderContext &context) const |
Returns all field names referenced by the configuration (e.g. | |
void | setBlendMode (QPainter::CompositionMode mode) |
Sets the blending mode used for drawing the buffer. | |
void | setColor (const QColor &color) |
Sets the color for the buffer. | |
void | setEnabled (bool enabled) |
Sets whether the text buffer will be drawn. | |
void | setFillBufferInterior (bool fill) |
Sets whether the interior of the buffer will be filled in. | |
void | setJoinStyle (Qt::PenJoinStyle style) |
Sets the join style used for drawing the buffer. | |
void | setOpacity (double opacity) |
Sets the buffer opacity. | |
void | setPaintEffect (QgsPaintEffect *effect) |
Sets the current paint effect for the buffer. | |
void | setSize (double size) |
Sets the size of the buffer. | |
void | setSizeMapUnitScale (const QgsMapUnitScale &scale) |
Sets the map unit scale object for the buffer size. | |
void | setSizeUnit (Qgis::RenderUnit unit) |
Sets the units used for the buffer size. | |
double | size () const |
Returns the size of the buffer. | |
QgsMapUnitScale | sizeMapUnitScale () const |
Returns the map unit scale object for the buffer size. | |
Qgis::RenderUnit | sizeUnit () const |
Returns the units for the buffer size. | |
void | updateDataDefinedProperties (QgsRenderContext &context, const QgsPropertyCollection &properties) |
Updates the format by evaluating current values of data defined properties. | |
QDomElement | writeXml (QDomDocument &doc) const |
Write settings into a DOM element. | |
Container for settings relating to a text buffer.
Definition at line 41 of file qgstextbuffersettings.h.
QgsTextBufferSettings::QgsTextBufferSettings | ( | ) |
Definition at line 29 of file qgstextbuffersettings.cpp.
QgsTextBufferSettings::QgsTextBufferSettings | ( | const QgsTextBufferSettings & | other | ) |
Definition at line 34 of file qgstextbuffersettings.cpp.
QgsTextBufferSettings::~QgsTextBufferSettings | ( | ) |
Definition at line 45 of file qgstextbuffersettings.cpp.
QPainter::CompositionMode QgsTextBufferSettings::blendMode | ( | ) | const |
Returns the blending mode used for drawing the buffer.
Definition at line 155 of file qgstextbuffersettings.cpp.
QColor QgsTextBufferSettings::color | ( | ) | const |
Returns the color of the buffer.
Definition at line 115 of file qgstextbuffersettings.cpp.
bool QgsTextBufferSettings::enabled | ( | ) | const |
Returns whether the buffer is enabled.
Definition at line 75 of file qgstextbuffersettings.cpp.
bool QgsTextBufferSettings::fillBufferInterior | ( | ) | const |
Returns whether the interior of the buffer will be filled in.
If false
, only the stroke of the text will be drawn as the buffer. The effect of this setting is only visible for semi-transparent text.
Definition at line 125 of file qgstextbuffersettings.cpp.
Qt::PenJoinStyle QgsTextBufferSettings::joinStyle | ( | ) | const |
Returns the buffer join style.
Definition at line 145 of file qgstextbuffersettings.cpp.
double QgsTextBufferSettings::opacity | ( | ) | const |
Returns the buffer opacity.
The opacity is a double value between 0 (fully transparent) and 1 (totally opaque).
Definition at line 135 of file qgstextbuffersettings.cpp.
bool QgsTextBufferSettings::operator!= | ( | const QgsTextBufferSettings & | other | ) | const |
Definition at line 70 of file qgstextbuffersettings.cpp.
QgsTextBufferSettings & QgsTextBufferSettings::operator= | ( | const QgsTextBufferSettings & | other | ) |
Definition at line 39 of file qgstextbuffersettings.cpp.
bool QgsTextBufferSettings::operator== | ( | const QgsTextBufferSettings & | other | ) | const |
Definition at line 50 of file qgstextbuffersettings.cpp.
const QgsPaintEffect * QgsTextBufferSettings::paintEffect | ( | ) | const |
Returns the current paint effect for the buffer.
Definition at line 165 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::readFromLayer | ( | QgsVectorLayer * | layer | ) |
Reads settings from a layer's custom properties (for QGIS 2.x projects).
layer | source vector layer |
Definition at line 242 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::readXml | ( | const QDomElement & | elem | ) |
Read settings from a DOM element.
Definition at line 313 of file qgstextbuffersettings.cpp.
QSet< QString > QgsTextBufferSettings::referencedFields | ( | const QgsRenderContext & | context | ) | const |
Returns all field names referenced by the configuration (e.g.
from data defined properties).
Definition at line 237 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setBlendMode | ( | QPainter::CompositionMode | mode | ) |
Sets the blending mode used for drawing the buffer.
mode | blending mode |
Definition at line 160 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setColor | ( | const QColor & | color | ) |
Sets the color for the buffer.
color | buffer color |
Definition at line 120 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setEnabled | ( | bool | enabled | ) |
Sets whether the text buffer will be drawn.
enabled | set to true to draw buffer |
Definition at line 80 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setFillBufferInterior | ( | bool | fill | ) |
Sets whether the interior of the buffer will be filled in.
fill | set to false to drawn only the stroke of the text as the buffer, or true to also shade the area inside the text. The effect of this setting is only visible for semi-transparent text. |
Definition at line 130 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setJoinStyle | ( | Qt::PenJoinStyle | style | ) |
Sets the join style used for drawing the buffer.
style | join style |
Definition at line 150 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setOpacity | ( | double | opacity | ) |
Sets the buffer opacity.
opacity | opacity as a double value between 0 (fully transparent) and 1 (totally opaque) |
Definition at line 140 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setPaintEffect | ( | QgsPaintEffect * | effect | ) |
Sets the current paint effect for the buffer.
effect | paint effect. Ownership is transferred to the buffer settings. |
Definition at line 170 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setSize | ( | double | size | ) |
Sets the size of the buffer.
The size units are specified using setSizeUnit().
size | buffer size |
Definition at line 90 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setSizeMapUnitScale | ( | const QgsMapUnitScale & | scale | ) |
Sets the map unit scale object for the buffer size.
This is only used if the buffer size is set to QgsUnitTypes::RenderMapUnit.
scale | scale for buffer size |
Definition at line 110 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::setSizeUnit | ( | Qgis::RenderUnit | unit | ) |
Sets the units used for the buffer size.
unit | size unit |
Definition at line 100 of file qgstextbuffersettings.cpp.
double QgsTextBufferSettings::size | ( | ) | const |
Returns the size of the buffer.
Definition at line 85 of file qgstextbuffersettings.cpp.
QgsMapUnitScale QgsTextBufferSettings::sizeMapUnitScale | ( | ) | const |
Returns the map unit scale object for the buffer size.
This is only used if the buffer size is set to QgsUnitTypes::RenderMapUnit.
Definition at line 105 of file qgstextbuffersettings.cpp.
Qgis::RenderUnit QgsTextBufferSettings::sizeUnit | ( | ) | const |
Returns the units for the buffer size.
Definition at line 95 of file qgstextbuffersettings.cpp.
void QgsTextBufferSettings::updateDataDefinedProperties | ( | QgsRenderContext & | context, |
const QgsPropertyCollection & | properties | ||
) |
Updates the format by evaluating current values of data defined properties.
Definition at line 175 of file qgstextbuffersettings.cpp.
QDomElement QgsTextBufferSettings::writeXml | ( | QDomDocument & | doc | ) | const |
Write settings into a DOM element.
Definition at line 380 of file qgstextbuffersettings.cpp.