QGIS API Documentation  3.17.0-Master (a035f434f4)
qgsalgorithmmultiparttosinglepart.h
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1 /***************************************************************************
2  qgsalgorithmmultiparttosinglepart.h
3  ---------------------
4  begin : April 2017
5  copyright : (C) 2017 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef QGSALGORITHMMULTIPARTTOSINGLEPART_H
19 #define QGSALGORITHMMULTIPARTTOSINGLEPART_H
20 
21 #define SIP_NO_FILE
22 
23 #include "qgis_sip.h"
24 #include "qgsprocessingalgorithm.h"
25 #include "qgsapplication.h"
26 
28 
32 class QgsMultipartToSinglepartAlgorithm : public QgsProcessingFeatureBasedAlgorithm
33 {
34 
35  public:
36 
37  QgsMultipartToSinglepartAlgorithm() = default;
38  QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmMultiToSingle.svg" ) ); }
39  QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmMultiToSingle.svg" ) ); }
40  QString name() const override;
41  QString displayName() const override;
42  QString outputName() const override;
43  QgsWkbTypes::Type outputWkbType( QgsWkbTypes::Type inputWkbType ) const override;
44  QStringList tags() const override;
45  QString group() const override;
46  QString groupId() const override;
47  QString shortHelpString() const override;
48  QgsMultipartToSinglepartAlgorithm *createInstance() const override SIP_FACTORY;
49 
50  protected:
51 
53  QgsFeatureSink::SinkFlags sinkFlags() const override;
55  QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
56 
57 };
58 
60 
61 #endif // QGSALGORITHMMULTIPARTTOSINGLEPART_H
62 
63 
virtual QString outputName() const =0
Returns the translated, user visible name for any layers created by this algorithm.
virtual QIcon icon() const
Returns an icon for the algorithm.
Base class for providing feedback from a processing algorithm.
virtual QgsFeatureList processFeature(const QgsFeature &feature, QgsProcessingContext &context, QgsProcessingFeedback *feedback) SIP_THROW(QgsProcessingException)=0
Processes an individual input feature from the source.
QList< QgsFeature > QgsFeatureList
Definition: qgsfeature.h:583
virtual QString name() const =0
Returns the algorithm name, used for identifying the algorithm.
virtual QString group() const
Returns the name of the group this algorithm belongs to.
static QString iconPath(const QString &iconFile)
Returns path to the desired icon file.
static QIcon getThemeIcon(const QString &name)
Helper to get a theme icon.
virtual QStringList tags() const
Returns a list of tags which relate to the algorithm, and are used to assist users in searching for s...
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
Definition: qgsfeature.h:55
virtual QString shortHelpString() const
Returns a localised short helper string for the algorithm.
Type
The WKB type describes the number of dimensions a geometry has.
Definition: qgswkbtypes.h:69
virtual QgsWkbTypes::Type outputWkbType(QgsWkbTypes::Type inputWkbType) const
Maps the input WKB geometry type (inputWkbType) to the corresponding output WKB type generated by the...
#define SIP_FACTORY
Definition: qgis_sip.h:76
virtual QgsProcessingAlgorithm * createInstance() const =0
Creates a new instance of the algorithm class.
Flag
Flags controlling how QgsProcessingFeatureSource fetches features.
virtual QgsFeatureSink::SinkFlags sinkFlags() const
Returns the feature sink flags to be used for the output.
virtual QString displayName() const =0
Returns the translated algorithm name, which should be used for any user-visible display of the algor...
virtual QgsProcessingFeatureSource::Flag sourceFlags() const
Returns the processing feature source flags to be used in the algorithm.
virtual QString groupId() const
Returns the unique ID of the group this algorithm belongs to.
An abstract QgsProcessingAlgorithm base class for processing algorithms which operate "feature-by-fea...
Contains information about the context in which a processing algorithm is executed.
virtual QString svgIconPath() const
Returns a path to an SVG version of the algorithm&#39;s icon.