QGIS API Documentation 3.34.0-Prizren (ffbdd678812)
Loading...
Searching...
No Matches
qgsmapdecoration.h
Go to the documentation of this file.
1/***************************************************************************
2 qgsmapdecoration.h
3 ----------------
4 begin : April 2017
5 copyright : (C) 2017 by Mathieu Pellerin
6 email : nirvn dot asia 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 QGSMAPDECORATION_H
19#define QGSMAPDECORATION_H
20
21#include "qgis_core.h"
22#include <QString>
23
24class QgsMapSettings;
26
34class CORE_EXPORT QgsMapDecoration
35{
36
37 public:
38
42 QgsMapDecoration() = default;
43
44 virtual ~QgsMapDecoration() = default;
45
49 virtual void render( const QgsMapSettings &mapSettings, QgsRenderContext &context ) = 0;
50
55 const QString displayName() const { return mDisplayName; }
56
62 virtual bool hasFixedMapPosition() const { return false; }
63
64 protected:
65
70 void setDisplayName( const QString &name ) { mDisplayName = name; }
71
72 private:
73
74 QString mDisplayName;
75
76};
77
78#endif //QGSMAPDECORATION_H
Interface for map decorations.
virtual bool hasFixedMapPosition() const
Returns true if the decoration is attached to a fixed map position (e.g grid, layout extent),...
const QString displayName() const
Returns the map decoration display name.
virtual void render(const QgsMapSettings &mapSettings, QgsRenderContext &context)=0
Renders a map decoration.
virtual ~QgsMapDecoration()=default
QgsMapDecoration()=default
Constructor for QgsMapDecoration.
void setDisplayName(const QString &name)
Sets the map decoration display name.
The QgsMapSettings class contains configuration for rendering of the map.
Contains information about the context of a rendering operation.