QGIS API Documentation 3.27.0-Master (a46f227e17)
qgschunkloader_p.h
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1/***************************************************************************
2 qgschunkloader_p.h
3 --------------------------------------
4 Date : July 2017
5 Copyright : (C) 2017 by Martin Dobias
6 Email : wonder dot 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 QGSCHUNKLOADER_P_H
17#define QGSCHUNKLOADER_P_H
18
20
21//
22// W A R N I N G
23// -------------
24//
25// This file is not part of the QGIS API. It exists purely as an
26// implementation detail. This header file may change from version to
27// version without notice, or even be removed.
28//
29
30#include "qgschunkqueuejob_p.h"
31
32#define SIP_NO_FILE
33
42class QgsChunkLoader : public QgsChunkQueueJob
43{
44 Q_OBJECT
45 public:
47 QgsChunkLoader( QgsChunkNode *node ) : QgsChunkQueueJob( node ) { }
48
53 virtual Qt3DCore::QEntity *createEntity( Qt3DCore::QEntity *parent ) = 0;
54};
55
56
62class QgsChunkLoaderFactory : public QObject
63{
64 Q_OBJECT
65 public:
66 virtual ~QgsChunkLoaderFactory() = default;
67
69 virtual QgsChunkLoader *createChunkLoader( QgsChunkNode *node ) const = 0;
70
72 virtual int primitivesCount( QgsChunkNode *node ) const
73 {
74 Q_UNUSED( node );
75 return 0;
76 }
77
79 virtual QgsChunkNode *createRootNode() const = 0;
81 virtual QVector<QgsChunkNode *> createChildren( QgsChunkNode *node ) const = 0;
82};
83
84
85#include "qgsaabb.h"
86
94class _3D_EXPORT QgsQuadtreeChunkLoaderFactory : public QgsChunkLoaderFactory
95{
96 Q_OBJECT
97 public:
98 QgsQuadtreeChunkLoaderFactory();
99 virtual ~QgsQuadtreeChunkLoaderFactory();
100
102 void setupQuadtree( const QgsAABB &rootBbox, float rootError, int maxLevel );
103
104 virtual QgsChunkNode *createRootNode() const override;
105 virtual QVector<QgsChunkNode *> createChildren( QgsChunkNode *node ) const override;
106
107 protected:
108 QgsAABB mRootBbox;
109 float mRootError;
111 int mMaxLevel;
112
113};
114
116
117#endif // QGSCHUNKLOADER_P_H
3
Definition: qgsaabb.h:34