QGIS API Documentation 3.41.0-Master (45a0abf3bec)
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qgsmapcanvasmap.h
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1/***************************************************************************
2 qgsmapcanvasmap.h - draws the map in map canvas
3 ----------------------
4 begin : February 2006
5 copyright : (C) 2006 by Martin Dobias
6 email : wonder.sk at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSMAPCANVASMAP_H
17#define QGSMAPCANVASMAP_H
18
19#include "qgsmapcanvasitem.h"
20
21class QgsMapSettings;
22class QgsMapCanvas;
23
24#define SIP_NO_FILE
25
27
34class QgsMapCanvasMap : public QgsMapCanvasItem
35{
36 public:
37
39 QgsMapCanvasMap( QgsMapCanvas *canvas );
40
41 void setContent( const QImage &image, const QgsRectangle &rect );
42
43 QImage contentImage() const { return mImage; }
44
45 void paint( QPainter *painter ) override;
46
47 void addPreviewImage( const QImage &image, const QgsRectangle &rect );
48
49 QRectF boundingRect() const override;
50
51 private:
52
53 QImage mImage;
54
56 QList< QPair< QImage, QgsRectangle > > mPreviewImages;
57};
58
60
61#endif
An abstract class for items that can be placed on the map canvas.
QRectF boundingRect() const override
virtual void paint(QPainter *painter)=0
function to be implemented by derived classes
Map canvas is a class for displaying all GIS data types on a canvas.
The QgsMapSettings class contains configuration for rendering of the map.
A rectangle specified with double values.