QGIS API Documentation
3.6.0-Noosa (5873452)
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Container for all settings relating to text rendering. More...
#include <qgstextrenderer.h>
Public Member Functions | |
QgsTextFormat () | |
QgsTextFormat (const QgsTextFormat &other) | |
Copy constructor. More... | |
~QgsTextFormat () | |
QgsTextBackgroundSettings & | background () |
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... | |
QgsTextBufferSettings & | buffer () |
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... | |
QgsTextFormat & | operator= (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... | |
QgsTextShadowSettings & | shadow () |
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... | |
QFont | toQFont () const |
Returns a QFont matching the relevant settings from this text format. 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... | |
static QgsTextFormat | fromQFont (const QFont &font) |
Returns a text format matching the settings from an input font. More... | |
Container for all settings relating to text rendering.
Definition at line 978 of file qgstextrenderer.h.
QgsTextFormat::QgsTextFormat | ( | ) |
Definition at line 1235 of file qgstextrenderer.cpp.
QgsTextFormat::QgsTextFormat | ( | const QgsTextFormat & | other | ) |
Copy constructor.
other | source QgsTextFormat |
Definition at line 1240 of file qgstextrenderer.cpp.
QgsTextFormat::~QgsTextFormat | ( | ) |
Definition at line 1262 of file qgstextrenderer.cpp.
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Returns a reference to the text background settings.
Definition at line 1017 of file qgstextrenderer.h.
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Returns a reference to the text background settings.
Definition at line 1023 of file qgstextrenderer.h.
QPainter::CompositionMode QgsTextFormat::blendMode | ( | ) | const |
Returns the blending mode used for drawing the text.
Definition at line 1351 of file qgstextrenderer.cpp.
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Returns a reference to the text buffer settings.
Definition at line 998 of file qgstextrenderer.h.
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Returns a reference to the text buffer settings.
Definition at line 1004 of file qgstextrenderer.h.
QColor QgsTextFormat::color | ( | ) | const |
Returns the color that text will be rendered in.
Definition at line 1331 of file qgstextrenderer.cpp.
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 1688 of file qgstextrenderer.cpp.
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.
Definition at line 1267 of file qgstextrenderer.cpp.
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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.
Definition at line 1265 of file qgstextrenderer.h.
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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.
Definition at line 1660 of file qgstextrenderer.cpp.
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Returns a text format matching the settings from an input font.
Unlike setFont(), this method also handles the size and size units from font.
Definition at line 1611 of file qgstextrenderer.cpp.
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.
Definition at line 1361 of file qgstextrenderer.cpp.
QString QgsTextFormat::namedStyle | ( | ) | const |
Returns the named style for the font used for rendering text (e.g., "bold").
Definition at line 1286 of file qgstextrenderer.cpp.
double QgsTextFormat::opacity | ( | ) | const |
Returns the text's opacity.
The opacity is a double value between 0 (fully transparent) and 1 (totally opaque).
Definition at line 1341 of file qgstextrenderer.cpp.
QgsTextFormat & QgsTextFormat::operator= | ( | const QgsTextFormat & | other | ) |
Definition at line 1251 of file qgstextrenderer.cpp.
void QgsTextFormat::readFromLayer | ( | QgsVectorLayer * | layer | ) |
Reads settings from a layer's custom properties (for QGIS 2.x projects).
layer | source vector layer |
Definition at line 1371 of file qgstextrenderer.cpp.
void QgsTextFormat::readXml | ( | const QDomElement & | elem, |
const QgsReadWriteContext & | context | ||
) |
Read settings from a DOM element.
Definition at line 1453 of file qgstextrenderer.cpp.
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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.
Definition at line 1273 of file qgstextrenderer.h.
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.
context | destination render context |
Definition at line 1272 of file qgstextrenderer.cpp.
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Sets the text's background settings.q.
backgroundSettings | background settings |
Definition at line 1030 of file qgstextrenderer.h.
void QgsTextFormat::setBlendMode | ( | QPainter::CompositionMode | mode | ) |
Sets the blending mode used for drawing the text.
mode | blending mode |
Definition at line 1356 of file qgstextrenderer.cpp.
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Sets the text's buffer settings.
bufferSettings | buffer settings |
Definition at line 1011 of file qgstextrenderer.h.
void QgsTextFormat::setColor | ( | const QColor & | color | ) |
Sets the color that text will be rendered in.
color | text color |
Definition at line 1336 of file qgstextrenderer.cpp.
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.
font | desired font |
Definition at line 1281 of file qgstextrenderer.cpp.
void QgsTextFormat::setLineHeight | ( | double | height | ) |
Sets the line height for text.
height | a number between 0.0 and 10.0 representing the leading between lines as a multiplier of line height. |
Definition at line 1366 of file qgstextrenderer.cpp.
void QgsTextFormat::setNamedStyle | ( | const QString & | style | ) |
Sets the named style for the font used for rendering text.
style | named style, e.g., "bold" |
Definition at line 1295 of file qgstextrenderer.cpp.
void QgsTextFormat::setOpacity | ( | double | opacity | ) |
Sets the text's opacity.
opacity | opacity as a double value between 0 (fully transparent) and 1 (totally opaque) |
Definition at line 1346 of file qgstextrenderer.cpp.
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Sets the text's drop shadow settings.
shadowSettings | shadow settings |
Definition at line 1049 of file qgstextrenderer.h.
void QgsTextFormat::setSize | ( | double | size | ) |
Sets the size for rendered text.
size | size of rendered text. Units are set using setSizeUnit() |
Definition at line 1326 of file qgstextrenderer.cpp.
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.
Definition at line 1316 of file qgstextrenderer.cpp.
void QgsTextFormat::setSizeUnit | ( | QgsUnitTypes::RenderUnit | unit | ) |
Sets the units for the size of rendered text.
unit | size units |
Definition at line 1306 of file qgstextrenderer.cpp.
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Returns a reference to the text drop shadow settings.
Definition at line 1036 of file qgstextrenderer.h.
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Returns a reference to the text drop shadow settings.
Definition at line 1042 of file qgstextrenderer.h.
double QgsTextFormat::size | ( | ) | const |
Returns the size for rendered text.
Units are retrieved using sizeUnit().
Definition at line 1321 of file qgstextrenderer.cpp.
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.
Definition at line 1311 of file qgstextrenderer.cpp.
QgsUnitTypes::RenderUnit QgsTextFormat::sizeUnit | ( | ) | const |
Returns the units for the size of rendered text.
Definition at line 1301 of file qgstextrenderer.cpp.
QMimeData * QgsTextFormat::toMimeData | ( | ) | const |
Returns new mime data representing the text format settings.
Caller takes responsibility for deleting the returned object.
Definition at line 1596 of file qgstextrenderer.cpp.
QFont QgsTextFormat::toQFont | ( | ) | const |
Returns a QFont matching the relevant settings from this text format.
Unlike font(), this method also handles the size and size units from the text format.
Definition at line 1629 of file qgstextrenderer.cpp.
QDomElement QgsTextFormat::writeXml | ( | QDomDocument & | doc, |
const QgsReadWriteContext & | context | ||
) | const |
Write settings into a DOM element.
Definition at line 1569 of file qgstextrenderer.cpp.