QGIS API Documentation
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src
core
symbology
qgspainterswapper.h
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/***************************************************************************
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qgspainterswapper.h
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-------------------
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begin : July 2019
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copyright : (C) 2019 Hugo Mercier
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email : hugo dot mercier at oslandia 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 QGSPAINTERSWAPPER_H
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#define QGSPAINTERSWAPPER_H
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#include "qgis_core.h"
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class
QgsRenderContext
;
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class
QPainter;
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#define SIP_NO_FILE
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class
QgsPainterSwapper
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{
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public
:
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QgsPainterSwapper
(
QgsRenderContext
&renderContext, QPainter *newPainter );
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~QgsPainterSwapper
();
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private
:
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QgsRenderContext
&mRenderContext;
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QPainter *mOriginalPainter =
nullptr
;
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};
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#endif
QgsPainterSwapper
A class to manage painter saving and restoring required for drawing on a different painter (mask pain...
Definition:
qgspainterswapper.h:35
QgsPainterSwapper::QgsPainterSwapper
QgsPainterSwapper(QgsRenderContext &renderContext, QPainter *newPainter)
QgsPainterSwapper constructor.
Definition:
qgspainterswapper.cpp:21
QgsPainterSwapper::~QgsPainterSwapper
~QgsPainterSwapper()
Definition:
qgspainterswapper.cpp:28
QgsRenderContext
Contains information about the context of a rendering operation.
Definition:
qgsrendercontext.h:59
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