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src
gui
qgsmapcanvasutils.h
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/***************************************************************************
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qgsmapcanvasutils.h
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-------------------
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begin : June 2020
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copyright : (C) 2020 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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* 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 QGSMAPCANVASUTILS_H
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#define QGSMAPCANVASUTILS_H
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#include "qgis_gui.h"
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class
QgsMapCanvas
;
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class
QgsVectorLayer
;
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class
QString;
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class
GUI_EXPORT
QgsMapCanvasUtils
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{
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public
:
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static
long
zoomToMatchingFeatures
(
QgsMapCanvas
*canvas,
QgsVectorLayer
*layer,
const
QString &filter );
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static
long
flashMatchingFeatures
(
QgsMapCanvas
*canvas,
QgsVectorLayer
*layer,
const
QString &filter );
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static
QString
filterForLayer
(
QgsMapCanvas
*canvas,
QgsVectorLayer
*layer );
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};
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#endif
//QGSMAPCANVASUTILS_H
QgsMapCanvasUtils
Utility functions for working with QgsMapCanvas widgets.
Definition
qgsmapcanvasutils.h:32
QgsMapCanvasUtils::zoomToMatchingFeatures
static long zoomToMatchingFeatures(QgsMapCanvas *canvas, QgsVectorLayer *layer, const QString &filter)
Zooms a map canvas to features from the specified layer which match the given filter expression strin...
Definition
qgsmapcanvasutils.cpp:27
QgsMapCanvasUtils::filterForLayer
static QString filterForLayer(QgsMapCanvas *canvas, QgsVectorLayer *layer)
Constructs a filter to use for selecting features from the given layer, in order to apply filters whi...
Definition
qgsmapcanvasutils.cpp:80
QgsMapCanvasUtils::flashMatchingFeatures
static long flashMatchingFeatures(QgsMapCanvas *canvas, QgsVectorLayer *layer, const QString &filter)
Flashes features from the specified layer which match the given filter expression string with a map c...
Definition
qgsmapcanvasutils.cpp:58
QgsMapCanvas
Map canvas is a class for displaying all GIS data types on a canvas.
Definition
qgsmapcanvas.h:96
QgsVectorLayer
Represents a vector layer which manages a vector based dataset.
Definition
qgsvectorlayer.h:414
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