QGIS API Documentation  3.16.0-Hannover (43b64b13f3)
qgsalgorithmextenttolayer.h
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1 /***************************************************************************
2  qgsalgorithmextenttolayer.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 QGSALGORITHMEXTENTTOLAYER_H
19 #define QGSALGORITHMEXTENTTOLAYER_H
20 
21 #define SIP_NO_FILE
22 
23 #include "qgis_sip.h"
24 #include "qgsprocessingalgorithm.h"
25 
27 
31 class QgsExtentToLayerAlgorithm : public QgsProcessingAlgorithm
32 {
33 
34  public:
35 
36  QgsExtentToLayerAlgorithm() = default;
37  void initAlgorithm( const QVariantMap &configuration = QVariantMap() ) override;
38  QString name() const override;
39  QString displayName() const override { return QObject::tr( "Create layer from extent" ); }
40  QStringList tags() const override { return QObject::tr( "extent,layer,polygon,create,new" ).split( ',' ); }
41  QString group() const override { return QObject::tr( "Vector geometry" ); }
42  QString groupId() const override { return QStringLiteral( "vectorgeometry" ); }
43  QString shortHelpString() const override;
44  QgsExtentToLayerAlgorithm *createInstance() const override SIP_FACTORY;
45 
46  protected:
47 
48  QVariantMap processAlgorithm( const QVariantMap &parameters,
49  QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
50 
51 };
52 
54 
55 #endif // QGSALGORITHMEXTENTTOLAYER_H
56 
57 
QgsProcessingAlgorithm::displayName
virtual QString displayName() const =0
Returns the translated algorithm name, which should be used for any user-visible display of the algor...
QgsProcessingFeedback
Base class for providing feedback from a processing algorithm.
Definition: qgsprocessingfeedback.h:38
QgsProcessingAlgorithm::groupId
virtual QString groupId() const
Returns the unique ID of the group this algorithm belongs to.
Definition: qgsprocessingalgorithm.h:233
QgsProcessingAlgorithm::createInstance
virtual QgsProcessingAlgorithm * createInstance() const =0
Creates a new instance of the algorithm class.
SIP_FACTORY
#define SIP_FACTORY
Definition: qgis_sip.h:76
QgsProcessingAlgorithm::name
virtual QString name() const =0
Returns the algorithm name, used for identifying the algorithm.
QgsProcessingAlgorithm::processAlgorithm
virtual QVariantMap processAlgorithm(const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback) SIP_THROW(QgsProcessingException)=0
Runs the algorithm using the specified parameters.
QgsProcessingContext
Contains information about the context in which a processing algorithm is executed.
Definition: qgsprocessingcontext.h:44
qgsprocessingalgorithm.h
qgis_sip.h
QgsProcessingAlgorithm::shortHelpString
virtual QString shortHelpString() const
Returns a localised short helper string for the algorithm.
Definition: qgsprocessingalgorithm.cpp:63
QgsProcessingAlgorithm
Abstract base class for processing algorithms.
Definition: qgsprocessingalgorithm.h:52
QgsProcessingAlgorithm::group
virtual QString group() const
Returns the name of the group this algorithm belongs to.
Definition: qgsprocessingalgorithm.h:224
QgsProcessingAlgorithm::tags
virtual QStringList tags() const
Returns a list of tags which relate to the algorithm, and are used to assist users in searching for s...
Definition: qgsprocessingalgorithm.h:180
QgsProcessingAlgorithm::initAlgorithm
virtual void initAlgorithm(const QVariantMap &configuration=QVariantMap())=0
Initializes the algorithm using the specified configuration.