QGIS API Documentation  3.16.0-Hannover (43b64b13f3)
qgsalgorithmfilterbygeometry.h
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1 /***************************************************************************
2  qgsalgorithmfilterbygeometry.h
3  ---------------------
4  begin : March 2020
5  copyright : (C) 2020 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 QGSALGORITHMFILTERBYGEOMETRY_H
19 #define QGSALGORITHMFILTERBYGEOMETRY_H
20 
21 #define SIP_NO_FILE
22 
23 #include "qgis_sip.h"
24 #include "qgsprocessingalgorithm.h"
25 
27 
31 class QgsFilterByGeometryAlgorithm : public QgsProcessingAlgorithm
32 {
33 
34  public:
35 
36  QgsFilterByGeometryAlgorithm() = default;
37  Flags flags() const override;
38  void initAlgorithm( const QVariantMap &configuration = QVariantMap() ) override;
39  QString name() const override;
40  QString displayName() const override;
41  QStringList tags() const override;
42  QString group() const override;
43  QString groupId() const override;
44  QString shortHelpString() const override;
45  QString shortDescription() const override;
46  QgsFilterByGeometryAlgorithm *createInstance() const override SIP_FACTORY;
47 
48  protected:
49 
50  QVariantMap processAlgorithm( const QVariantMap &parameters,
51  QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
52 
53 };
54 
55 
59 class QgsFilterByLayerTypeAlgorithm : public QgsProcessingAlgorithm
60 {
61 
62  public:
63 
64  QgsFilterByLayerTypeAlgorithm() = default;
65  Flags flags() const override;
66  void initAlgorithm( const QVariantMap &configuration = QVariantMap() ) override;
67  QString name() const override;
68  QString displayName() const override;
69  QStringList tags() const override;
70  QString group() const override;
71  QString groupId() const override;
72  QString shortHelpString() const override;
73  QString shortDescription() const override;
74  QgsFilterByLayerTypeAlgorithm *createInstance() const override SIP_FACTORY;
75 
76  protected:
77 
78  QVariantMap processAlgorithm( const QVariantMap &parameters,
79  QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
80 
81 };
82 
84 
85 #endif // QGSALGORITHMFILTERBYGEOMETRY_H
86 
87 
QgsProcessingAlgorithm::shortDescription
virtual QString shortDescription() const
Returns an optional translated short description of the algorithm.
Definition: qgsprocessingalgorithm.cpp:58
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::flags
virtual Flags flags() const
Returns the flags indicating how and when the algorithm operates and should be exposed to users.
Definition: qgsprocessingalgorithm.cpp:88
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.