QGIS API Documentation  2.99.0-Master (cd0ba91)
Public Member Functions | Static Public Member Functions | List of all members
QgsTextFormat Class Reference

Container for all settings relating to text rendering. More...

#include <qgstextrenderer.h>

Public Member Functions

 QgsTextFormat ()
 
 QgsTextFormat (const QgsTextFormat &other)
 Copy constructor. More...
 
 ~QgsTextFormat ()
 
QgsTextBackgroundSettingsbackground ()
 Returns a reference to the text background settings. More...
 
QgsTextBackgroundSettings background () const
 Returns a reference to the text background settings. More...
 
QPainter::CompositionMode blendMode () const
 Returns the blending mode used for drawing the text. More...
 
QgsTextBufferSettingsbuffer ()
 Returns a reference to the text buffer settings. More...
 
QgsTextBufferSettings buffer () const
 Returns a reference to the text buffer settings. More...
 
QColor color () const
 Returns the color that text will be rendered in. More...
 
bool containsAdvancedEffects () const
 Returns true if any component of the font format requires advanced effects such as blend modes, which require output in raster formats to be fully respected. More...
 
QFont font () const
 Returns the font used for rendering text. More...
 
bool fontFound () const
 Returns true if the specified font was found on the system, or false if the font was not found and a replacement was used instead. More...
 
double lineHeight () const
 Returns the line height for text. More...
 
QString namedStyle () const
 Returns the named style for the font used for rendering text (e.g., "bold"). More...
 
double opacity () const
 Returns the text's opacity. More...
 
QgsTextFormatoperator= (const QgsTextFormat &other)
 
void readFromLayer (QgsVectorLayer *layer)
 Reads settings from a layer's custom properties (for QGIS 2.x projects). More...
 
void readXml (const QDomElement &elem, const QgsReadWriteContext &context)
 Read settings from a DOM element. More...
 
QString resolvedFontFamily () const
 Returns the family for the resolved font, ie if the specified font was not found on the system this will return the name of the replacement font. More...
 
QFont scaledFont (const QgsRenderContext &context) const
 Returns a font with the size scaled to match the format's size settings (including units and map unit scale) for a specified render context. More...
 
void setBackground (const QgsTextBackgroundSettings &backgroundSettings)
 Sets the text's background settings.q. More...
 
void setBlendMode (QPainter::CompositionMode mode)
 Sets the blending mode used for drawing the text. More...
 
void setBuffer (const QgsTextBufferSettings &bufferSettings)
 Sets the text's buffer settings. More...
 
void setColor (const QColor &color)
 Sets the color that text will be rendered in. More...
 
void setFont (const QFont &font)
 Sets the font used for rendering text. More...
 
void setLineHeight (double height)
 Sets the line height for text. More...
 
void setNamedStyle (const QString &style)
 Sets the named style for the font used for rendering text. More...
 
void setOpacity (double opacity)
 Sets the text's opacity. More...
 
void setShadow (const QgsTextShadowSettings &shadowSettings)
 Sets the text's drop shadow settings. More...
 
void setSize (double size)
 Sets the size for rendered text. More...
 
void setSizeMapUnitScale (const QgsMapUnitScale &scale)
 Sets the map unit scale object for the size. More...
 
void setSizeUnit (QgsUnitTypes::RenderUnit unit)
 Sets the units for the size of rendered text. More...
 
QgsTextShadowSettingsshadow ()
 Returns a reference to the text drop shadow settings. More...
 
QgsTextShadowSettings shadow () const
 Returns a reference to the text drop shadow settings. More...
 
double size () const
 Returns the size for rendered text. More...
 
QgsMapUnitScale sizeMapUnitScale () const
 Returns the map unit scale object for the size. More...
 
QgsUnitTypes::RenderUnit sizeUnit () const
 Returns the units for the size of rendered text. More...
 
QMimeData * toMimeData () const
 Returns new mime data representing the text format settings. More...
 
QDomElement writeXml (QDomDocument &doc, const QgsReadWriteContext &context) const
 Write settings into a DOM element. More...
 

Static Public Member Functions

static QgsTextFormat fromMimeData (const QMimeData *data, bool *ok=nullptr)
 Attempts to parse the provided mime data as a QgsTextFormat. More...
 

Detailed Description

Container for all settings relating to text rendering.

Note
QgsTextFormat objects are implicitly shared.
Since
QGIS 3.0

Definition at line 978 of file qgstextrenderer.h.

Constructor & Destructor Documentation

◆ QgsTextFormat() [1/2]

QgsTextFormat::QgsTextFormat ( )

Definition at line 1235 of file qgstextrenderer.cpp.

◆ QgsTextFormat() [2/2]

QgsTextFormat::QgsTextFormat ( const QgsTextFormat other)

Copy constructor.

Parameters
othersource QgsTextFormat

Definition at line 1240 of file qgstextrenderer.cpp.

◆ ~QgsTextFormat()

QgsTextFormat::~QgsTextFormat ( )

Definition at line 1262 of file qgstextrenderer.cpp.

Member Function Documentation

◆ background() [1/2]

QgsTextBackgroundSettings& QgsTextFormat::background ( )
inline

Returns a reference to the text background settings.

See also
setBackground()

Definition at line 1017 of file qgstextrenderer.h.

◆ background() [2/2]

QgsTextBackgroundSettings QgsTextFormat::background ( ) const
inline

Returns a reference to the text background settings.

See also
setBackground()

Definition at line 1023 of file qgstextrenderer.h.

◆ blendMode()

QPainter::CompositionMode QgsTextFormat::blendMode ( ) const

Returns the blending mode used for drawing the text.

See also
setBlendMode()

Definition at line 1351 of file qgstextrenderer.cpp.

◆ buffer() [1/2]

QgsTextBufferSettings& QgsTextFormat::buffer ( )
inline

Returns a reference to the text buffer settings.

See also
setBuffer()

Definition at line 998 of file qgstextrenderer.h.

◆ buffer() [2/2]

QgsTextBufferSettings QgsTextFormat::buffer ( ) const
inline

Returns a reference to the text buffer settings.

See also
setBuffer()

Definition at line 1004 of file qgstextrenderer.h.

◆ color()

QColor QgsTextFormat::color ( ) const

Returns the color that text will be rendered in.

See also
setColor()

Definition at line 1331 of file qgstextrenderer.cpp.

◆ containsAdvancedEffects()

bool QgsTextFormat::containsAdvancedEffects ( ) const

Returns true if any component of the font format requires advanced effects such as blend modes, which require output in raster formats to be fully respected.

Definition at line 1639 of file qgstextrenderer.cpp.

◆ font()

QFont QgsTextFormat::font ( ) const

Returns the font used for rendering text.

Note that the size of the font is not used, and size() should be called instead to determine the size of rendered text.

See also
scaledFont()
setFont()
namedStyle()

Definition at line 1267 of file qgstextrenderer.cpp.

◆ fontFound()

bool QgsTextFormat::fontFound ( ) const
inline

Returns true if the specified font was found on the system, or false if the font was not found and a replacement was used instead.

See also
resolvedFontFamily()

Definition at line 1245 of file qgstextrenderer.h.

◆ fromMimeData()

QgsTextFormat QgsTextFormat::fromMimeData ( const QMimeData *  data,
bool *  ok = nullptr 
)
static

Attempts to parse the provided mime data as a QgsTextFormat.

If data can be parsed as a text format, ok will be set to true.

See also
toMimeData()

Definition at line 1611 of file qgstextrenderer.cpp.

◆ lineHeight()

double QgsTextFormat::lineHeight ( ) const

Returns the line height for text.

This is a number between 0.0 and 10.0 representing the leading between lines as a multiplier of line height.

See also
setLineHeight()

Definition at line 1361 of file qgstextrenderer.cpp.

◆ namedStyle()

QString QgsTextFormat::namedStyle ( ) const

Returns the named style for the font used for rendering text (e.g., "bold").

See also
setNamedStyle()
font()

Definition at line 1286 of file qgstextrenderer.cpp.

◆ opacity()

double QgsTextFormat::opacity ( ) const

Returns the text's opacity.

The opacity is a double value between 0 (fully transparent) and 1 (totally opaque).

See also
setOpacity()

Definition at line 1341 of file qgstextrenderer.cpp.

◆ operator=()

QgsTextFormat & QgsTextFormat::operator= ( const QgsTextFormat other)

Definition at line 1251 of file qgstextrenderer.cpp.

◆ readFromLayer()

void QgsTextFormat::readFromLayer ( QgsVectorLayer layer)

Reads settings from a layer's custom properties (for QGIS 2.x projects).

Parameters
layersource vector layer

Definition at line 1371 of file qgstextrenderer.cpp.

◆ readXml()

void QgsTextFormat::readXml ( const QDomElement &  elem,
const QgsReadWriteContext context 
)

Read settings from a DOM element.

See also
writeXml()

Definition at line 1453 of file qgstextrenderer.cpp.

◆ resolvedFontFamily()

QString QgsTextFormat::resolvedFontFamily ( ) const
inline

Returns the family for the resolved font, ie if the specified font was not found on the system this will return the name of the replacement font.

See also
fontFound()

Definition at line 1253 of file qgstextrenderer.h.

◆ scaledFont()

QFont QgsTextFormat::scaledFont ( const QgsRenderContext context) const

Returns a font with the size scaled to match the format's size settings (including units and map unit scale) for a specified render context.

Parameters
contextdestination render context
Returns
font with scaled size
See also
font()
size()

Definition at line 1272 of file qgstextrenderer.cpp.

◆ setBackground()

void QgsTextFormat::setBackground ( const QgsTextBackgroundSettings backgroundSettings)
inline

Sets the text's background settings.q.

Parameters
backgroundSettingsbackground settings
See also
background()

Definition at line 1030 of file qgstextrenderer.h.

◆ setBlendMode()

void QgsTextFormat::setBlendMode ( QPainter::CompositionMode  mode)

Sets the blending mode used for drawing the text.

Parameters
modeblending mode
See also
blendMode()

Definition at line 1356 of file qgstextrenderer.cpp.

◆ setBuffer()

void QgsTextFormat::setBuffer ( const QgsTextBufferSettings bufferSettings)
inline

Sets the text's buffer settings.

Parameters
bufferSettingsbuffer settings
See also
buffer()

Definition at line 1011 of file qgstextrenderer.h.

◆ setColor()

void QgsTextFormat::setColor ( const QColor &  color)

Sets the color that text will be rendered in.

Parameters
colortext color
See also
color()

Definition at line 1336 of file qgstextrenderer.cpp.

◆ setFont()

void QgsTextFormat::setFont ( const QFont &  font)

Sets the font used for rendering text.

Note that the size of the font is not used, and setSize() should be called instead to explicitly set the size of rendered text.

Parameters
fontdesired font
See also
font()
setNamedStyle()

Definition at line 1281 of file qgstextrenderer.cpp.

◆ setLineHeight()

void QgsTextFormat::setLineHeight ( double  height)

Sets the line height for text.

Parameters
heighta number between 0.0 and 10.0 representing the leading between lines as a multiplier of line height.
See also
lineHeight()

Definition at line 1366 of file qgstextrenderer.cpp.

◆ setNamedStyle()

void QgsTextFormat::setNamedStyle ( const QString &  style)

Sets the named style for the font used for rendering text.

Parameters
stylenamed style, e.g., "bold"
See also
namedStyle()
setFont()

Definition at line 1295 of file qgstextrenderer.cpp.

◆ setOpacity()

void QgsTextFormat::setOpacity ( double  opacity)

Sets the text's opacity.

Parameters
opacityopacity as a double value between 0 (fully transparent) and 1 (totally opaque)
See also
opacity()

Definition at line 1346 of file qgstextrenderer.cpp.

◆ setShadow()

void QgsTextFormat::setShadow ( const QgsTextShadowSettings shadowSettings)
inline

Sets the text's drop shadow settings.

Parameters
shadowSettingsshadow settings
See also
shadow()

Definition at line 1049 of file qgstextrenderer.h.

◆ setSize()

void QgsTextFormat::setSize ( double  size)

Sets the size for rendered text.

Parameters
sizesize of rendered text. Units are set using setSizeUnit()
See also
size()
setSizeUnit()

Definition at line 1326 of file qgstextrenderer.cpp.

◆ setSizeMapUnitScale()

void QgsTextFormat::setSizeMapUnitScale ( const QgsMapUnitScale scale)

Sets the map unit scale object for the size.

This is only used if the sizeUnit() is set to QgsUnitTypes::RenderMapUnit.

See also
sizeMapUnitScale()
setSizeUnit()

Definition at line 1316 of file qgstextrenderer.cpp.

◆ setSizeUnit()

void QgsTextFormat::setSizeUnit ( QgsUnitTypes::RenderUnit  unit)

Sets the units for the size of rendered text.

Parameters
unitsize units
See also
setSize()
sizeUnit()
setSizeMapUnitScale()

Definition at line 1306 of file qgstextrenderer.cpp.

◆ shadow() [1/2]

QgsTextShadowSettings& QgsTextFormat::shadow ( )
inline

Returns a reference to the text drop shadow settings.

See also
setShadow()

Definition at line 1036 of file qgstextrenderer.h.

◆ shadow() [2/2]

QgsTextShadowSettings QgsTextFormat::shadow ( ) const
inline

Returns a reference to the text drop shadow settings.

See also
setShadow()

Definition at line 1042 of file qgstextrenderer.h.

◆ size()

double QgsTextFormat::size ( ) const

Returns the size for rendered text.

Units are retrieved using sizeUnit().

See also
setSize()
sizeUnit()

Definition at line 1321 of file qgstextrenderer.cpp.

◆ sizeMapUnitScale()

QgsMapUnitScale QgsTextFormat::sizeMapUnitScale ( ) const

Returns the map unit scale object for the size.

This is only used if the sizeUnit() is set to QgsUnitTypes::RenderMapUnit.

See also
setSizeMapUnitScale()
sizeUnit()

Definition at line 1311 of file qgstextrenderer.cpp.

◆ sizeUnit()

QgsUnitTypes::RenderUnit QgsTextFormat::sizeUnit ( ) const

Returns the units for the size of rendered text.

See also
size()
setSizeUnit()
sizeMapUnitScale()

Definition at line 1301 of file qgstextrenderer.cpp.

◆ toMimeData()

QMimeData * QgsTextFormat::toMimeData ( ) const

Returns new mime data representing the text format settings.

Caller takes responsibility for deleting the returned object.

See also
fromMimeData()

Definition at line 1596 of file qgstextrenderer.cpp.

◆ writeXml()

QDomElement QgsTextFormat::writeXml ( QDomDocument &  doc,
const QgsReadWriteContext context 
) const

Write settings into a DOM element.

See also
readXml()

Definition at line 1569 of file qgstextrenderer.cpp.


The documentation for this class was generated from the following files: