QGIS API Documentation  3.7.0-Master (a888986)
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
QgsRendererCategory Class Reference

Represents an individual category (class) from a QgsCategorizedSymbolRenderer. More...

#include <qgscategorizedsymbolrenderer.h>

Public Member Functions

 QgsRendererCategory ()=default
 Constructor for QgsRendererCategory. More...
 
 QgsRendererCategory (const QVariant &value, QgsSymbol *symbol, const QString &label, bool render=true)
 Constructor for a new QgsRendererCategory, with the specified value and symbol. More...
 
 QgsRendererCategory (const QgsRendererCategory &cat)
 Copy constructor. More...
 
QString dump () const
 Returns a string representing the categories settings, used for debugging purposes only. More...
 
QString label () const
 Returns the label for this category, which is used to represent the category within legends and the layer tree. More...
 
QgsRendererCategoryoperator= (QgsRendererCategory cat)
 
bool renderState () const
 Returns true if the category is currently enabled and should be rendered. More...
 
void setLabel (const QString &label)
 Sets the label for this category, which is used to represent the category within legends and the layer tree. More...
 
void setRenderState (bool render)
 Sets whether the category is currently enabled and should be rendered. More...
 
void setSymbol (QgsSymbol *s)
 Sets the symbol which will be used to render this category. More...
 
void setValue (const QVariant &value)
 Sets the value corresponding to this category. More...
 
QgsSymbolsymbol () const
 Returns the symbol which will be used to render this category. More...
 
void toSld (QDomDocument &doc, QDomElement &element, QgsStringMap props) const
 Converts the category to a matching SLD rule, within the specified DOM document and element. More...
 
QVariant value () const
 Returns the value corresponding to this category. More...
 

Protected Member Functions

void swap (QgsRendererCategory &other)
 

Protected Attributes

QString mLabel
 
bool mRender = true
 
std::unique_ptr< QgsSymbolmSymbol
 
QVariant mValue
 

Detailed Description

Represents an individual category (class) from a QgsCategorizedSymbolRenderer.

Definition at line 35 of file qgscategorizedsymbolrenderer.h.

Constructor & Destructor Documentation

◆ QgsRendererCategory() [1/3]

QgsRendererCategory::QgsRendererCategory ( )
default

Constructor for QgsRendererCategory.

◆ QgsRendererCategory() [2/3]

QgsRendererCategory::QgsRendererCategory ( const QVariant &  value,
QgsSymbol symbol,
const QString &  label,
bool  render = true 
)

Constructor for a new QgsRendererCategory, with the specified value and symbol.

If value is a list, then the category will match any of the values from this list.

The ownership of symbol is transferred to the category.

The label argument specifies the label used for this category in legends and the layer tree.

The render argument indicates whether the category should initially be rendered and appear checked in the layer tree.

Definition at line 42 of file qgscategorizedsymbolrenderer.cpp.

◆ QgsRendererCategory() [3/3]

QgsRendererCategory::QgsRendererCategory ( const QgsRendererCategory cat)

Copy constructor.

Definition at line 50 of file qgscategorizedsymbolrenderer.cpp.

Member Function Documentation

◆ dump()

QString QgsRendererCategory::dump ( ) const

Returns a string representing the categories settings, used for debugging purposes only.

Definition at line 112 of file qgscategorizedsymbolrenderer.cpp.

◆ label()

QString QgsRendererCategory::label ( ) const

Returns the label for this category, which is used to represent the category within legends and the layer tree.

See also
setLabel()

Definition at line 82 of file qgscategorizedsymbolrenderer.cpp.

◆ operator=()

QgsRendererCategory & QgsRendererCategory::operator= ( QgsRendererCategory  cat)

Definition at line 59 of file qgscategorizedsymbolrenderer.cpp.

◆ renderState()

bool QgsRendererCategory::renderState ( ) const

Returns true if the category is currently enabled and should be rendered.

See also
setRenderState()
Since
QGIS 2.5

Definition at line 87 of file qgscategorizedsymbolrenderer.cpp.

◆ setLabel()

void QgsRendererCategory::setLabel ( const QString &  label)

Sets the label for this category, which is used to represent the category within legends and the layer tree.

See also
label()

Definition at line 102 of file qgscategorizedsymbolrenderer.cpp.

◆ setRenderState()

void QgsRendererCategory::setRenderState ( bool  render)

Sets whether the category is currently enabled and should be rendered.

See also
renderState()
Since
QGIS 2.5

Definition at line 107 of file qgscategorizedsymbolrenderer.cpp.

◆ setSymbol()

void QgsRendererCategory::setSymbol ( QgsSymbol s)

Sets the symbol which will be used to render this category.

Ownership of the symbol is transferred to the category.

See also
symbol()

Definition at line 97 of file qgscategorizedsymbolrenderer.cpp.

◆ setValue()

void QgsRendererCategory::setValue ( const QVariant &  value)

Sets the value corresponding to this category.

If value is a list, then the category will match any of the values from this list.

See also
value()

Definition at line 92 of file qgscategorizedsymbolrenderer.cpp.

◆ swap()

void QgsRendererCategory::swap ( QgsRendererCategory other)
protected

Definition at line 65 of file qgscategorizedsymbolrenderer.cpp.

◆ symbol()

QgsSymbol * QgsRendererCategory::symbol ( ) const

Returns the symbol which will be used to render this category.

See also
setSymbol()

Definition at line 77 of file qgscategorizedsymbolrenderer.cpp.

◆ toSld()

void QgsRendererCategory::toSld ( QDomDocument &  doc,
QDomElement &  element,
QgsStringMap  props 
) const

Converts the category to a matching SLD rule, within the specified DOM document and element.

Definition at line 117 of file qgscategorizedsymbolrenderer.cpp.

◆ value()

QVariant QgsRendererCategory::value ( ) const

Returns the value corresponding to this category.

If the returned value is a list, then the category will match any of the values from this list.

See also
setValue()

Definition at line 72 of file qgscategorizedsymbolrenderer.cpp.

Member Data Documentation

◆ mLabel

QString QgsRendererCategory::mLabel
protected

Definition at line 139 of file qgscategorizedsymbolrenderer.h.

◆ mRender

bool QgsRendererCategory::mRender = true
protected

Definition at line 140 of file qgscategorizedsymbolrenderer.h.

◆ mSymbol

std::unique_ptr<QgsSymbol> QgsRendererCategory::mSymbol
protected

Definition at line 138 of file qgscategorizedsymbolrenderer.h.

◆ mValue

QVariant QgsRendererCategory::mValue
protected

Definition at line 137 of file qgscategorizedsymbolrenderer.h.


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