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https://github.com/qgis/QGIS.git
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4b24552097
Because at some stage in the future we may allow in-place edits to raster layers, and we don't want to have to break API for this.
101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
/***************************************************************************
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qgsalgorithmsegmentize.h
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---------------------
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begin : March 2018
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copyright : (C) 2018 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSALGORITHMSEGMENTIZE_H
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#define QGSALGORITHMSEGMENTIZE_H
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#define SIP_NO_FILE
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#include "qgis.h"
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#include "qgsprocessingalgorithm.h"
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#include "qgsmaptopixelgeometrysimplifier.h"
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///@cond PRIVATE
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/**
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* Native segmentize by maximum distance algorithm.
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*/
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class QgsSegmentizeByMaximumDistanceAlgorithm : public QgsProcessingFeatureBasedAlgorithm
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{
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public:
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QgsSegmentizeByMaximumDistanceAlgorithm() = default;
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QString name() const override;
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QString displayName() const override;
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QStringList tags() const override;
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QString group() const override;
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QString groupId() const override;
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QString shortHelpString() const override;
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QgsSegmentizeByMaximumDistanceAlgorithm *createInstance() const override SIP_FACTORY;
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QList<int> inputLayerTypes() const override;
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void initParameters( const QVariantMap &configuration = QVariantMap() ) override;
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bool supportInPlaceEdit( const QgsMapLayer *layer ) const override;
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protected:
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QString outputName() const override;
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bool prepareAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
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QgsFeatureList processFeature( const QgsFeature &feature, QgsProcessingContext &, QgsProcessingFeedback *feedback ) override;
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private:
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double mTolerance = 1.0;
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bool mDynamicTolerance = false;
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QgsProperty mToleranceProperty;
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};
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/**
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* Native segmentize by maximum angle algorithm.
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*/
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class QgsSegmentizeByMaximumAngleAlgorithm : public QgsProcessingFeatureBasedAlgorithm
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{
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public:
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QgsSegmentizeByMaximumAngleAlgorithm() = default;
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QString name() const override;
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QString displayName() const override;
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QStringList tags() const override;
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QString group() const override;
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QString groupId() const override;
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QString shortHelpString() const override;
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QgsSegmentizeByMaximumAngleAlgorithm *createInstance() const override SIP_FACTORY;
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QList<int> inputLayerTypes() const override;
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void initParameters( const QVariantMap &configuration = QVariantMap() ) override;
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bool supportInPlaceEdit( const QgsMapLayer *layer ) const override;
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protected:
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QString outputName() const override;
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bool prepareAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
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QgsFeatureList processFeature( const QgsFeature &feature, QgsProcessingContext &, QgsProcessingFeedback *feedback ) override;
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private:
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double mTolerance = 1.0;
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bool mDynamicTolerance = false;
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QgsProperty mToleranceProperty;
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};
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///@endcond PRIVATE
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#endif // QGSALGORITHMSEGMENTIZE_H
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