QGIS API Documentation
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src
core
qgsmapdecoration.h
Go to the documentation of this file.
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/***************************************************************************
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qgsmapdecoration.h
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----------------
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begin : April 2017
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copyright : (C) 2017 by Mathieu Pellerin
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email : nirvn dot asia 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 QGSMAPDECORATION_H
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#define QGSMAPDECORATION_H
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#include "qgis_core.h"
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#include <QString>
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class
QgsMapSettings
;
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class
QgsRenderContext
;
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class
CORE_EXPORT
QgsMapDecoration
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{
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public
:
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QgsMapDecoration
() =
default
;
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virtual
~QgsMapDecoration
() =
default
;
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virtual
void
render
(
const
QgsMapSettings
&mapSettings,
QgsRenderContext
&context ) = 0;
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const
QString
displayName
()
const
{
return
mDisplayName; }
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virtual
bool
hasFixedMapPosition
()
const
{
return
false
; }
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protected
:
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void
setDisplayName
(
const
QString &name ) { mDisplayName = name; }
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private
:
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QString mDisplayName;
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};
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#endif
//QGSMAPDECORATION_H
QgsMapDecoration
Interface for map decorations.
Definition
qgsmapdecoration.h:34
QgsMapDecoration::hasFixedMapPosition
virtual bool hasFixedMapPosition() const
Returns true if the decoration is attached to a fixed map position (e.g grid, layout extent),...
Definition
qgsmapdecoration.h:58
QgsMapDecoration::displayName
const QString displayName() const
Returns the map decoration display name.
Definition
qgsmapdecoration.h:51
QgsMapDecoration::render
virtual void render(const QgsMapSettings &mapSettings, QgsRenderContext &context)=0
Renders a map decoration.
QgsMapDecoration::~QgsMapDecoration
virtual ~QgsMapDecoration()=default
QgsMapDecoration::QgsMapDecoration
QgsMapDecoration()=default
QgsMapDecoration::setDisplayName
void setDisplayName(const QString &name)
Sets the map decoration display name.
Definition
qgsmapdecoration.h:66
QgsMapSettings
The QgsMapSettings class contains configuration for rendering of the map.
Definition
qgsmapsettings.h:91
QgsRenderContext
Contains information about the context of a rendering operation.
Definition
qgsrendercontext.h:62
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